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mpv/core/mplayer.c

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/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <math.h>
#include <assert.h>
#include <ctype.h>
#ifdef PTW32_STATIC_LIB
#include <pthread.h>
#endif
#include <libavutil/intreadwrite.h>
#include <libavutil/attributes.h>
#include <libavutil/md5.h>
#include <libavcodec/version.h>
#include "config.h"
#include "talloc.h"
#include "osdep/io.h"
#if defined(__MINGW32__) || defined(__CYGWIN__)
#include <windows.h>
#endif
#define WAKEUP_PERIOD 0.5
#include <string.h>
#include <unistd.h>
// #include <sys/mman.h>
#include <sys/types.h>
#ifndef __MINGW32__
#include <sys/ioctl.h>
#include <sys/wait.h>
#endif
#include <sys/time.h>
#include <sys/stat.h>
#include <signal.h>
#include <time.h>
#include <fcntl.h>
#include <limits.h>
#include <errno.h>
#include "core/mp_msg.h"
#include "av_log.h"
#include "core/m_option.h"
#include "core/m_config.h"
#include "core/mplayer.h"
#include "core/m_property.h"
#include "sub/find_subfiles.h"
#include "sub/dec_sub.h"
#include "sub/sd.h"
#include "core/mp_osd.h"
#include "video/out/vo.h"
#include "core/screenshot.h"
#include "sub/sub.h"
#include "core/cpudetect.h"
#ifdef CONFIG_X11
#include "video/out/x11_common.h"
#endif
#ifdef CONFIG_COCOA
#include "osdep/macosx_application.h"
#endif
#include "audio/out/ao.h"
#include "core/codecs.h"
#include "osdep/getch2.h"
#include "osdep/timer.h"
#include "core/input/input.h"
#include "core/encode.h"
#include "osdep/priority.h"
#include "stream/tv.h"
#include "stream/stream_radio.h"
#ifdef CONFIG_DVBIN
#include "stream/dvbin.h"
#endif
//**************************************************************************//
// Playtree
//**************************************************************************//
#include "core/playlist.h"
#include "core/playlist_parser.h"
//**************************************************************************//
// Config
//**************************************************************************//
#include "core/parser-cfg.h"
#include "core/parser-mpcmd.h"
//**************************************************************************//
// Config file
//**************************************************************************//
#include "core/path.h"
//**************************************************************************//
//**************************************************************************//
// Input media streaming & demultiplexer:
//**************************************************************************//
#include "stream/stream.h"
#include "demux/demux.h"
#include "demux/stheader.h"
#include "audio/filter/af.h"
#include "audio/decode/dec_audio.h"
#include "video/decode/dec_video.h"
#include "video/mp_image.h"
#include "video/filter/vf.h"
#include "video/decode/vd.h"
#include "audio/mixer.h"
#include "core/mp_core.h"
#include "core/options.h"
const char mp_help_text[] = _(
"Usage: mpv [options] [url|path/]filename\n"
"\n"
"Basic options: (complete list in the man page)\n"
" --start=<time> seek to given (percent, seconds, or hh:mm:ss) position\n"
" --no-audio do not play sound\n"
" --no-video do not play video\n"
" --fs fullscreen playback\n"
" --sub=<file> specify subtitle file to use\n"
" --playlist=<file> specify playlist file\n"
"\n");
static const char av_desync_help_text[] = _(
"\n\n"
" *************************************************\n"
" **** Audio/Video desynchronisation detected! ****\n"
" *************************************************\n\n"
"This means either the audio or the video is played too slowly.\n"
"Possible reasons, problems, workarounds:\n"
"- Your system is simply too slow for this file.\n"
" Transcode it to a lower bitrate file with tools like HandBrake.\n"
"- Broken/buggy _audio_ driver.\n"
" Experiment with different values for --autosync, 30 is a good start.\n"
" If you have PulseAudio, try --ao=alsa .\n"
"- Slow video output.\n"
" Try a different -vo driver (-vo help for a list) or try -framedrop!\n"
"- Playing a video file with --vo=opengl with higher FPS than the monitor.\n"
" This is due to vsync limiting the framerate.\n"
"- Playing from a slow network source.\n"
" Download the file instead.\n"
"- Try to find out whether audio or video is causing this by experimenting\n"
" with --no-video and --no-audio.\n"
"If none of this helps you, file a bug report.\n\n");
//**************************************************************************//
//**************************************************************************//
#include "core/mp_fifo.h"
#include "sub/ass_mp.h"
// ---
#include "core/mp_common.h"
#include "core/command.h"
static void reset_subtitles(struct MPContext *mpctx);
static void reinit_subs(struct MPContext *mpctx);
static double get_relative_time(struct MPContext *mpctx)
{
int64_t new_time = mp_time_us();
int64_t delta = new_time - mpctx->last_time;
mpctx->last_time = new_time;
return delta * 0.000001;
}
static double rel_time_to_abs(struct MPContext *mpctx, struct m_rel_time t,
double fallback_time)
{
double length = get_time_length(mpctx);
switch (t.type) {
case REL_TIME_ABSOLUTE:
return t.pos;
case REL_TIME_NEGATIVE:
if (length != 0)
return FFMAX(length - t.pos, 0.0);
break;
case REL_TIME_PERCENT:
if (length != 0)
return length * (t.pos / 100.0);
break;
case REL_TIME_CHAPTER:
if (chapter_start_time(mpctx, t.pos) >= 0)
return chapter_start_time(mpctx, t.pos);
break;
}
return fallback_time;
}
static double get_play_end_pts(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
if (opts->play_end.type) {
return rel_time_to_abs(mpctx, opts->play_end, MP_NOPTS_VALUE);
} else if (opts->play_length.type) {
double start = rel_time_to_abs(mpctx, opts->play_start, 0);
double length = rel_time_to_abs(mpctx, opts->play_length, -1);
if (start != -1 && length != -1)
return start + length;
}
return MP_NOPTS_VALUE;
}
static void print_stream(struct MPContext *mpctx, struct track *t)
{
struct sh_stream *s = t->stream;
const char *tname = "?";
const char *selopt = "?";
const char *langopt = "?";
const char *iid = NULL;
switch (t->type) {
case STREAM_VIDEO:
tname = "Video"; selopt = "vid"; langopt = NULL; iid = "VID";
break;
case STREAM_AUDIO:
tname = "Audio"; selopt = "aid"; langopt = "alang"; iid = "AID";
break;
case STREAM_SUB:
tname = "Subs"; selopt = "sid"; langopt = "slang"; iid = "SID";
break;
}
mp_msg(MSGT_CPLAYER, MSGL_INFO, "[stream] %-5s %3s",
tname, mpctx->current_track[t->type] == t ? "(+)" : "");
mp_msg(MSGT_CPLAYER, MSGL_INFO, " --%s=%d", selopt, t->user_tid);
if (t->lang && langopt)
mp_msg(MSGT_CPLAYER, MSGL_INFO, " --%s=%s", langopt, t->lang);
if (t->default_track)
mp_msg(MSGT_CPLAYER, MSGL_INFO, " (*)");
if (t->attached_picture)
mp_msg(MSGT_CPLAYER, MSGL_INFO, " [P]");
if (t->title)
mp_msg(MSGT_CPLAYER, MSGL_INFO, " '%s'", t->title);
const char *codec = s ? s->codec : NULL;
mp_msg(MSGT_CPLAYER, MSGL_INFO, " (%s)", codec ? codec : "<unknown>");
if (t->is_external)
mp_msg(MSGT_CPLAYER, MSGL_INFO, " (external)");
mp_msg(MSGT_CPLAYER, MSGL_INFO, "\n");
// legacy compatibility
if (!iid)
return;
int id = t->user_tid;
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_%s_ID=%d\n", iid, id);
if (t->title)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_%s_%d_NAME=%s\n", iid, id, t->title);
if (t->lang)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_%s_%d_LANG=%s\n", iid, id, t->lang);
}
static void print_file_properties(struct MPContext *mpctx, const char *filename)
{
double start_pts = MP_NOPTS_VALUE;
double video_start_pts = MP_NOPTS_VALUE;
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_FILENAME=%s\n",
filename);
if (mpctx->sh_video) {
/* Assume FOURCC if all bytes >= 0x20 (' ') */
if (mpctx->sh_video->format >= 0x20202020)
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_VIDEO_FORMAT=%.4s\n", (char *)&mpctx->sh_video->format);
else
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_VIDEO_FORMAT=0x%08X\n", mpctx->sh_video->format);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_VIDEO_BITRATE=%d\n", mpctx->sh_video->i_bps * 8);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_VIDEO_WIDTH=%d\n", mpctx->sh_video->disp_w);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_VIDEO_HEIGHT=%d\n", mpctx->sh_video->disp_h);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_VIDEO_FPS=%5.3f\n", mpctx->sh_video->fps);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_VIDEO_ASPECT=%1.4f\n", mpctx->sh_video->aspect);
video_start_pts = ds_get_next_pts(mpctx->sh_video->ds);
}
if (mpctx->sh_audio) {
/* Assume FOURCC if all bytes >= 0x20 (' ') */
if (mpctx->sh_audio->format >= 0x20202020)
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_AUDIO_FORMAT=%.4s\n", (char *)&mpctx->sh_audio->format);
else
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_AUDIO_FORMAT=%d\n", mpctx->sh_audio->format);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_AUDIO_BITRATE=%d\n", mpctx->sh_audio->i_bps * 8);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_AUDIO_RATE=%d\n", mpctx->sh_audio->samplerate);
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_AUDIO_NCH=%d\n", mpctx->sh_audio->channels.num);
start_pts = ds_get_next_pts(mpctx->sh_audio->ds);
}
if (video_start_pts != MP_NOPTS_VALUE) {
if (start_pts == MP_NOPTS_VALUE || !mpctx->sh_audio ||
(mpctx->sh_video && video_start_pts < start_pts))
start_pts = video_start_pts;
}
if (start_pts != MP_NOPTS_VALUE)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_START_TIME=%.2f\n", start_pts);
else
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_START_TIME=unknown\n");
mp_msg(MSGT_IDENTIFY, MSGL_INFO,
"ID_LENGTH=%.2f\n", get_time_length(mpctx));
int chapter_count = get_chapter_count(mpctx);
if (chapter_count >= 0) {
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTERS=%d\n", chapter_count);
for (int i = 0; i < chapter_count; i++) {
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_ID=%d\n", i);
// print in milliseconds
double time = chapter_start_time(mpctx, i) * 1000.0;
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_%d_START=%"PRId64"\n",
i, (int64_t)(time < 0 ? -1 : time));
char *name = chapter_name(mpctx, i);
if (name) {
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_%d_NAME=%s\n", i,
name);
talloc_free(name);
}
}
}
struct demuxer *demuxer = mpctx->master_demuxer;
if (demuxer->num_editions > 1)
mp_msg(MSGT_CPLAYER, MSGL_INFO,
"Playing edition %d of %d (--edition=%d).\n",
demuxer->edition + 1, demuxer->num_editions, demuxer->edition);
for (int t = 0; t < STREAM_TYPE_COUNT; t++) {
for (int n = 0; n < mpctx->num_tracks; n++)
if (mpctx->tracks[n]->type == t)
print_stream(mpctx, mpctx->tracks[n]);
}
}
// Time used to seek external tracks to.
static double get_main_demux_pts(struct MPContext *mpctx)
{
double main_new_pos = MP_NOPTS_VALUE;
if (mpctx->demuxer) {
for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
struct demux_stream *ds = mpctx->demuxer->ds[type];
if (ds->sh && main_new_pos == MP_NOPTS_VALUE) {
demux_fill_buffer(mpctx->demuxer, ds);
if (ds->first)
main_new_pos = ds->first->pts;
}
}
}
return main_new_pos;
}
static void set_demux_field(struct MPContext *mpctx, enum stream_type type,
struct sh_stream *s)
{
mpctx->sh[type] = s;
// redundant fields for convenience access
switch(type) {
case STREAM_VIDEO: mpctx->sh_video = s ? s->video : NULL; break;
case STREAM_AUDIO: mpctx->sh_audio = s ? s->audio : NULL; break;
case STREAM_SUB: mpctx->sh_sub = s ? s->sub : NULL; break;
}
}
static void init_demux_stream(struct MPContext *mpctx, enum stream_type type)
{
struct track *track = mpctx->current_track[type];
set_demux_field(mpctx, type, track ? track->stream : NULL);
struct sh_stream *stream = mpctx->sh[type];
if (stream) {
demuxer_switch_track(stream->demuxer, type, stream);
if (track->is_external) {
double pts = get_main_demux_pts(mpctx);
demux_seek(stream->demuxer, pts, mpctx->audio_delay, SEEK_ABSOLUTE);
}
}
}
static void cleanup_demux_stream(struct MPContext *mpctx, enum stream_type type)
{
struct sh_stream *stream = mpctx->sh[type];
if (stream)
demuxer_switch_track(stream->demuxer, type, NULL);
set_demux_field(mpctx, type, NULL);
}
// Switch the demuxers to current track selection. This is possibly important
// for intialization: if something reads packets from the demuxer (like at least
// reinit_audio_chain does, or when seeking), packets from the other streams
// should be queued instead of discarded. So all streams should be enabled
// before the first initialization function is called.
static void preselect_demux_streams(struct MPContext *mpctx)
{
// Disable all streams, just to be sure no unwanted streams are selected.
for (int n = 0; n < mpctx->num_sources; n++) {
for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
struct track *track = mpctx->current_track[type];
if (!(track && track->demuxer == mpctx->sources[n] &&
demuxer_stream_is_selected(track->demuxer, track->stream)))
demuxer_switch_track(mpctx->sources[n], type, NULL);
}
}
for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
struct track *track = mpctx->current_track[type];
if (track && track->stream)
demuxer_switch_track(track->stream->demuxer, type, track->stream);
}
}
static void uninit_subs(struct demuxer *demuxer)
{
for (int i = 0; i < MAX_S_STREAMS; i++) {
struct sh_sub *sh = demuxer->s_streams[i];
if (sh) {
sub_destroy(sh->dec_sub);
sh->dec_sub = NULL;
}
}
}
void uninit_player(struct MPContext *mpctx, unsigned int mask)
{
struct MPOpts *opts = &mpctx->opts;
mask &= mpctx->initialized_flags;
mp_msg(MSGT_CPLAYER, MSGL_DBG2, "\n*** uninit(0x%X)\n", mask);
if (mask & INITIALIZED_ACODEC) {
mpctx->initialized_flags &= ~INITIALIZED_ACODEC;
if (mpctx->sh_audio)
uninit_audio(mpctx->sh_audio);
cleanup_demux_stream(mpctx, STREAM_AUDIO);
mpctx->mixer.afilter = NULL;
}
if (mask & INITIALIZED_SUB) {
mpctx->initialized_flags &= ~INITIALIZED_SUB;
if (mpctx->sh_sub)
sub_reset(mpctx->sh_sub->dec_sub);
cleanup_demux_stream(mpctx, STREAM_SUB);
mpctx->osd->dec_sub = NULL;
reset_subtitles(mpctx);
}
if (mask & INITIALIZED_VCODEC) {
mpctx->initialized_flags &= ~INITIALIZED_VCODEC;
if (mpctx->sh_video)
uninit_video(mpctx->sh_video);
cleanup_demux_stream(mpctx, STREAM_VIDEO);
}
if (mask & INITIALIZED_DEMUXER) {
mpctx->initialized_flags &= ~INITIALIZED_DEMUXER;
for (int i = 0; i < mpctx->num_tracks; i++) {
talloc_free(mpctx->tracks[i]);
}
mpctx->num_tracks = 0;
for (int t = 0; t < STREAM_TYPE_COUNT; t++)
mpctx->current_track[t] = NULL;
assert(!mpctx->sh_video && !mpctx->sh_audio && !mpctx->sh_sub);
mpctx->master_demuxer = NULL;
for (int i = 0; i < mpctx->num_sources; i++) {
uninit_subs(mpctx->sources[i]);
struct demuxer *demuxer = mpctx->sources[i];
if (demuxer->stream != mpctx->stream)
free_stream(demuxer->stream);
free_demuxer(demuxer);
}
talloc_free(mpctx->sources);
mpctx->sources = NULL;
mpctx->demuxer = NULL;
mpctx->num_sources = 0;
talloc_free(mpctx->timeline);
mpctx->timeline = NULL;
mpctx->num_timeline_parts = 0;
talloc_free(mpctx->chapters);
mpctx->chapters = NULL;
mpctx->num_chapters = 0;
mpctx->video_offset = 0;
}
// kill the cache process:
if (mask & INITIALIZED_STREAM) {
mpctx->initialized_flags &= ~INITIALIZED_STREAM;
if (mpctx->stream)
free_stream(mpctx->stream);
mpctx->stream = NULL;
}
if (mask & INITIALIZED_VO) {
mpctx->initialized_flags &= ~INITIALIZED_VO;
vo_destroy(mpctx->video_out);
mpctx->video_out = NULL;
}
// Must be after libvo uninit, as few vo drivers (svgalib) have tty code.
if (mask & INITIALIZED_GETCH2) {
mpctx->initialized_flags &= ~INITIALIZED_GETCH2;
mp_msg(MSGT_CPLAYER, MSGL_DBG2, "\n[[[uninit getch2]]]\n");
// restore terminal:
getch2_disable();
}
if (mask & INITIALIZED_VOL) {
mpctx->initialized_flags &= ~INITIALIZED_VOL;
if (mpctx->mixer.ao) {
// Normally the mixer remembers volume, but do it even if the
// volume is set explicitly with --volume=... (so that the same
// volume is restored on reinit)
if (opts->mixer_init_volume >= 0 && mpctx->mixer.user_set_volume)
mixer_getbothvolume(&mpctx->mixer, &opts->mixer_init_volume);
if (opts->mixer_init_mute >= 0 && mpctx->mixer.user_set_mute)
opts->mixer_init_mute = mixer_getmute(&mpctx->mixer);
}
}
if (mask & INITIALIZED_AO) {
mpctx->initialized_flags &= ~INITIALIZED_AO;
if (mpctx->mixer.ao)
mixer_uninit(&mpctx->mixer);
mpctx->mixer.ao = NULL;
if (mpctx->ao)
ao_uninit(mpctx->ao, mpctx->stop_play != AT_END_OF_FILE);
mpctx->ao = NULL;
}
}
static MP_NORETURN void exit_player(struct MPContext *mpctx,
enum exit_reason how, int rc)
{
uninit_player(mpctx, INITIALIZED_ALL);
#ifdef CONFIG_ENCODING
encode_lavc_finish(mpctx->encode_lavc_ctx);
encode_lavc_free(mpctx->encode_lavc_ctx);
#endif
mpctx->encode_lavc_ctx = NULL;
#if defined(__MINGW32__) || defined(__CYGWIN__)
timeEndPeriod(1);
#endif
mp_input_uninit(mpctx->input, &mpctx->opts.input);
osd_free(mpctx->osd);
#ifdef CONFIG_ASS
ass_library_done(mpctx->ass_library);
mpctx->ass_library = NULL;
#endif
talloc_free(mpctx->key_fifo);
if (how != EXIT_NONE) {
const char *reason;
switch (how) {
case EXIT_QUIT: reason = "Quit"; break;
case EXIT_EOF: reason = "End of file"; break;
case EXIT_ERROR: reason = "Fatal error"; break;
default: abort();
}
mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "\nExiting... (%s)\n", reason);
}
// must be last since e.g. mp_msg uses option values
// that will be freed by this.
if (mpctx->mconfig)
m_config_free(mpctx->mconfig);
mpctx->mconfig = NULL;
talloc_free(mpctx);
#ifdef CONFIG_COCOA
terminate_cocoa_application();
// never reach here:
// terminate calls exit itself, just silence compiler warning
exit(0);
#else
exit(rc);
#endif
}
static void mk_config_dir(char *subdir)
{
void *tmp = talloc_new(NULL);
char *confdir = talloc_steal(tmp, mp_find_user_config_file(""));
if (subdir)
confdir = mp_path_join(tmp, bstr0(confdir), bstr0(subdir));
mkdir(confdir, 0777);
talloc_free(tmp);
}
static int cfg_include(struct m_config *conf, char *filename)
{
return m_config_parse_config_file(conf, filename);
}
#define DEF_CONFIG "# Write your default config options here!\n\n\n"
static bool parse_cfgfiles(struct MPContext *mpctx, m_config_t *conf)
{
struct MPOpts *opts = &mpctx->opts;
char *conffile;
int conffile_fd;
if (!opts->load_config)
return true;
if (!m_config_parse_config_file(conf, MPLAYER_CONFDIR "/mpv.conf") < 0)
return false;
mk_config_dir(NULL);
if ((conffile = mp_find_user_config_file("config")) == NULL)
mp_tmsg(MSGT_CPLAYER, MSGL_ERR,
"mp_find_user_config_file(\"config\") problem\n");
else {
if ((conffile_fd = open(conffile, O_CREAT | O_EXCL | O_WRONLY,
0666)) != -1) {
mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
"Creating config file: %s\n", conffile);
write(conffile_fd, DEF_CONFIG, sizeof(DEF_CONFIG) - 1);
close(conffile_fd);
}
if (m_config_parse_config_file(conf, conffile) < 0)
return false;
talloc_free(conffile);
}
return true;
}
#define PROFILE_CFG_PROTOCOL "protocol."
static void load_per_protocol_config(m_config_t *conf, const char * const file)
{
char *str;
char protocol[strlen(PROFILE_CFG_PROTOCOL) + strlen(file) + 1];
m_profile_t *p;
/* does filename actually uses a protocol ? */
str = strstr(file, "://");
if (!str)
return;
sprintf(protocol, "%s%s", PROFILE_CFG_PROTOCOL, file);
protocol[strlen(PROFILE_CFG_PROTOCOL) + strlen(file) - strlen(str)] = '\0';
p = m_config_get_profile(conf, protocol);
if (p) {
mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
"Loading protocol-related profile '%s'\n", protocol);
m_config_set_profile(conf, p);
}
}
#define PROFILE_CFG_EXTENSION "extension."
static void load_per_extension_config(m_config_t *conf, const char * const file)
{
char *str;
char extension[strlen(PROFILE_CFG_EXTENSION) + 8];
m_profile_t *p;
/* does filename actually have an extension ? */
str = strrchr(file, '.');
if (!str)
return;
sprintf(extension, PROFILE_CFG_EXTENSION);
strncat(extension, ++str, 7);
p = m_config_get_profile(conf, extension);
if (p) {
mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
"Loading extension-related profile '%s'\n", extension);
m_config_set_profile(conf, p);
}
}
#define PROFILE_CFG_VO "vo."
#define PROFILE_CFG_AO "ao."
static void load_per_output_config(m_config_t *conf, char *cfg, char *out)
{
char profile[strlen(cfg) + strlen(out) + 1];
m_profile_t *p;
sprintf(profile, "%s%s", cfg, out);
p = m_config_get_profile(conf, profile);
if (p) {
mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
"Loading extension-related profile '%s'\n", profile);
m_config_set_profile(conf, p);
}
}
/**
* Tries to load a config file
* @return 0 if file was not found, 1 otherwise
*/
static int try_load_config(m_config_t *conf, const char *file)
{
if (!mp_path_exists(file))
return 0;
mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Loading config '%s'\n", file);
m_config_parse_config_file(conf, file);
return 1;
}
static void load_per_file_config(m_config_t *conf, const char * const file,
bool search_file_dir)
{
char *confpath;
char cfg[MP_PATH_MAX];
const char *name;
if (strlen(file) > MP_PATH_MAX - 14) {
mp_msg(MSGT_CPLAYER, MSGL_WARN, "Filename is too long, "
"can not load file or directory specific config files\n");
return;
}
sprintf(cfg, "%s.conf", file);
name = mp_basename(cfg);
if (search_file_dir) {
char dircfg[MP_PATH_MAX];
strcpy(dircfg, cfg);
strcpy(dircfg + (name - cfg), "mpv.conf");
try_load_config(conf, dircfg);
if (try_load_config(conf, cfg))
return;
}
if ((confpath = mp_find_user_config_file(name)) != NULL) {
try_load_config(conf, confpath);
talloc_free(confpath);
}
}
static bool might_be_an_url(bstr f)
{
return bstr_find0(f, "://") >= 0;
}
#define MP_WATCH_LATER_CONF "watch_later"
static char *get_playback_resume_config_filename(const char *fname)
{
char *res = NULL;
void *tmp = talloc_new(NULL);
const char *realpath = fname;
if (!might_be_an_url(bstr0(fname))) {
char *cwd = mp_getcwd(tmp);
if (!cwd)
goto exit;
realpath = mp_path_join(tmp, bstr0(cwd), bstr0(fname));
}
uint8_t md5[16];
av_md5_sum(md5, realpath, strlen(realpath));
char *conf = talloc_strdup(tmp, "");
for (int i = 0; i < 16; i++)
conf = talloc_asprintf_append(conf, "%02X", md5[i]);
conf = talloc_asprintf(tmp, "%s/%s", MP_WATCH_LATER_CONF, conf);
res = mp_find_user_config_file(conf);
exit:
talloc_free(tmp);
return res;
}
static const char *backup_properties[] = {
"osd-level",
//"loop",
"speed",
"edition",
"pause",
//"volume",
//"mute",
"audio-delay",
//"balance",
"fullscreen",
"colormatrix",
"colormatrix-input-range",
"colormatrix-output-range",
"ontop",
"border",
"gamma",
"brightness",
"contrast",
"saturation",
"hue",
"panscan",
"aid",
"vid",
"sid",
"sub-delay",
"sub-pos",
"sub-visibility",
"sub-scale",
"ass-use-margins",
"ass-vsfilter-aspect-compat",
"ass-style-override",
0
};
void mp_write_watch_later_conf(struct MPContext *mpctx)
{
void *tmp = talloc_new(NULL);
char *filename = mpctx->filename;
if (!filename)
goto exit;
double pos = get_current_time(mpctx);
int percent = get_percent_pos(mpctx);
if (percent < 1 || percent > 99 || pos == MP_NOPTS_VALUE)
goto exit;
mk_config_dir(MP_WATCH_LATER_CONF);
char *conffile = get_playback_resume_config_filename(mpctx->filename);
talloc_steal(tmp, conffile);
if (!conffile)
goto exit;
FILE *file = fopen(conffile, "wb");
if (!file)
goto exit;
fprintf(file, "start=%f\n", pos);
for (int i = 0; backup_properties[i]; i++) {
const char *pname = backup_properties[i];
char *tmp = NULL;
int r = mp_property_do(pname, M_PROPERTY_GET_STRING, &tmp, mpctx);
if (r == M_PROPERTY_OK)
fprintf(file, "%s=%s\n", pname, tmp);
talloc_free(tmp);
}
fclose(file);
exit:
talloc_free(tmp);
}
static void load_playback_resume(m_config_t *conf, const char *file)
{
char *fname = get_playback_resume_config_filename(file);
if (fname) {
try_load_config(conf, fname);
unlink(fname);
}
talloc_free(fname);
}
static void load_per_file_options(m_config_t *conf,
struct playlist_param *params,
int params_count)
{
for (int n = 0; n < params_count; n++)
m_config_set_option(conf, params[n].name, params[n].value);
}
/* When demux performs a blocking operation (network connection or
* cache filling) if the operation fails we use this function to check
* if it was interrupted by the user.
* The function returns whether it was interrupted. */
static bool demux_was_interrupted(struct MPContext *mpctx)
{
for (;;) {
if (mpctx->stop_play != KEEP_PLAYING
&& mpctx->stop_play != AT_END_OF_FILE)
return true;
mp_cmd_t *cmd = mp_input_get_cmd(mpctx->input, 0, 0);
if (!cmd)
break;
if (mp_input_is_abort_cmd(cmd->id))
run_command(mpctx, cmd);
mp_cmd_free(cmd);
}
return false;
}
static int find_new_tid(struct MPContext *mpctx, enum stream_type t)
{
int new_id = -1;
for (int i = 0; i < mpctx->num_tracks; i++) {
struct track *track = mpctx->tracks[i];
if (track->type == t)
new_id = FFMAX(new_id, track->user_tid);
}
return new_id + 1;
}
// Map stream number (as used by libdvdread) to MPEG IDs (as used by demuxer).
static int map_id_from_demuxer(struct demuxer *d, enum stream_type type, int id)
{
if (d->stream->uncached_type == STREAMTYPE_DVD && type == STREAM_SUB)
id = id & 0x1F;
return id;
}
static int map_id_to_demuxer(struct demuxer *d, enum stream_type type, int id)
{
if (d->stream->uncached_type == STREAMTYPE_DVD && type == STREAM_SUB)
id = id | 0x20;
return id;
}
static struct track *add_stream_track(struct MPContext *mpctx,
struct sh_stream *stream,
bool under_timeline)
{
for (int i = 0; i < mpctx->num_tracks; i++) {
struct track *track = mpctx->tracks[i];
if (track->stream == stream)
return track;
// DVD subtitle track that was added later
if (stream->type == STREAM_SUB && track->type == STREAM_SUB &&
map_id_from_demuxer(stream->demuxer, stream->type,
stream->demuxer_id) == track->demuxer_id
&& !track->stream)
{
track->stream = stream;
track->demuxer_id = stream->demuxer_id;
// Initialize lazily selected track
if (track == mpctx->current_track[STREAM_SUB])
reinit_subs(mpctx);
return track;
}
}
struct track *track = talloc_ptrtype(NULL, track);
*track = (struct track) {
.type = stream->type,
.user_tid = find_new_tid(mpctx, stream->type),
.demuxer_id = stream->demuxer_id,
.title = stream->title,
.default_track = stream->default_track,
.attached_picture = stream->attached_picture,
.lang = stream->lang,
.under_timeline = under_timeline,
.demuxer = stream->demuxer,
.stream = stream,
};
MP_TARRAY_APPEND(mpctx, mpctx->tracks, mpctx->num_tracks, track);
if (stream->type == STREAM_SUB)
track->preloaded = !!stream->sub->track;
// Needed for DVD and Blu-ray.
if (!track->lang) {
struct stream_lang_req req = {
.type = track->type,
.id = map_id_from_demuxer(track->demuxer, track->type,
track->demuxer_id)
};
stream_control(track->demuxer->stream, STREAM_CTRL_GET_LANG, &req);
if (req.name[0])
track->lang = talloc_strdup(track, req.name);
}
return track;
}
static void add_demuxer_tracks(struct MPContext *mpctx, struct demuxer *demuxer)
{
for (int n = 0; n < demuxer->num_streams; n++)
add_stream_track(mpctx, demuxer->streams[n], !!mpctx->timeline);
}
static void add_dvd_tracks(struct MPContext *mpctx)
{
#ifdef CONFIG_DVDREAD
struct demuxer *demuxer = mpctx->demuxer;
struct stream *stream = demuxer->stream;
struct stream_dvd_info_req info;
if (stream_control(stream, STREAM_CTRL_GET_DVD_INFO, &info) > 0) {
for (int n = 0; n < info.num_subs; n++) {
struct track *track = talloc_ptrtype(NULL, track);
*track = (struct track) {
.type = STREAM_SUB,
.user_tid = find_new_tid(mpctx, STREAM_SUB),
.demuxer_id = n,
.demuxer = mpctx->demuxer,
};
MP_TARRAY_APPEND(mpctx, mpctx->tracks, mpctx->num_tracks, track);
struct stream_lang_req req = {.type = STREAM_SUB, .id = n};
stream_control(stream, STREAM_CTRL_GET_LANG, &req);
track->lang = talloc_strdup(track, req.name);
}
}
#endif
}
int mp_get_cache_percent(struct MPContext *mpctx)
{
if (mpctx->stream) {
int64_t size = -1;
int64_t fill = -1;
stream_control(mpctx->stream, STREAM_CTRL_GET_CACHE_SIZE, &size);
stream_control(mpctx->stream, STREAM_CTRL_GET_CACHE_FILL, &fill);
if (size > 0 && fill >= 0)
return fill / (size / 100);
}
return -1;
}
static bool mp_get_cache_idle(struct MPContext *mpctx)
{
int idle = 0;
if (mpctx->stream)
stream_control(mpctx->stream, STREAM_CTRL_GET_CACHE_IDLE, &idle);
return idle;
}
static void vo_update_window_title(struct MPContext *mpctx)
{
if (!mpctx->video_out)
return;
char *title = mp_property_expand_string(mpctx, mpctx->opts.wintitle);
if (!mpctx->video_out->window_title ||
strcmp(title, mpctx->video_out->window_title))
{
talloc_free(mpctx->video_out->window_title);
mpctx->video_out->window_title = talloc_steal(mpctx, title);
vo_control(mpctx->video_out, VOCTRL_UPDATE_WINDOW_TITLE, title);
} else {
talloc_free(title);
}
}
#define saddf(var, ...) (*(var) = talloc_asprintf_append((*var), __VA_ARGS__))
// append time in the hh:mm:ss format (plus fractions if wanted)
static void sadd_hhmmssff(char **buf, double time, bool fractions)
{
char *s = mp_format_time(time, fractions);
*buf = talloc_strdup_append(*buf, s);
talloc_free(s);
}
static void sadd_percentage(char **buf, int percent) {
if (percent >= 0)
*buf = talloc_asprintf_append(*buf, " (%d%%)", percent);
}
static int get_term_width(void)
{
get_screen_size();
int width = screen_width > 0 ? screen_width : 80;
#if defined(__MINGW32__) || defined(__CYGWIN__)
/* Windows command line is broken (MinGW's rxvt works, but we
* should not depend on that). */
width--;
#endif
return width;
}
static void write_status_line(struct MPContext *mpctx, const char *line)
{
struct MPOpts *opts = &mpctx->opts;
if (opts->slave_mode) {
mp_msg(MSGT_STATUSLINE, MSGL_STATUS, "%s\n", line);
} else if (erase_to_end_of_line) {
mp_msg(MSGT_STATUSLINE, MSGL_STATUS,
"%s%s\r", line, erase_to_end_of_line);
} else {
int pos = strlen(line);
int width = get_term_width() - pos;
mp_msg(MSGT_STATUSLINE, MSGL_STATUS, "%s%*s\r", line, width, "");
}
}
static void print_status(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
sh_video_t * const sh_video = mpctx->sh_video;
vo_update_window_title(mpctx);
if (opts->quiet)
return;
if (opts->status_msg) {
char *r = mp_property_expand_string(mpctx, opts->status_msg);
write_status_line(mpctx, r);
talloc_free(r);
return;
}
char *line = NULL;
// Playback status
if (mpctx->paused_for_cache && !opts->pause) {
saddf(&line, "(Buffering) ");
} else if (mpctx->paused) {
saddf(&line, "(Paused) ");
}
if (mpctx->sh_audio)
saddf(&line, "A");
if (mpctx->sh_video)
saddf(&line, "V");
saddf(&line, ": ");
// Playback position
double cur = get_current_time(mpctx);
sadd_hhmmssff(&line, cur, mpctx->opts.osd_fractions);
double len = get_time_length(mpctx);
if (len >= 0) {
saddf(&line, " / ");
sadd_hhmmssff(&line, len, mpctx->opts.osd_fractions);
}
sadd_percentage(&line, get_percent_pos(mpctx));
// other
if (opts->playback_speed != 1)
saddf(&line, " x%4.2f", opts->playback_speed);
// A-V sync
if (mpctx->sh_audio && sh_video) {
if (mpctx->last_av_difference != MP_NOPTS_VALUE)
saddf(&line, " A-V:%7.3f", mpctx->last_av_difference);
else
saddf(&line, " A-V: ???");
if (fabs(mpctx->total_avsync_change) > 0.05)
saddf(&line, " ct:%7.3f", mpctx->total_avsync_change);
}
#ifdef CONFIG_ENCODING
double startpos = rel_time_to_abs(mpctx, opts->play_start, 0);
double endpos = rel_time_to_abs(mpctx, opts->play_end, -1);
float position = (get_current_time(mpctx) - startpos) /
(get_time_length(mpctx) - startpos);
if (endpos != -1)
position = max(position, (get_current_time(mpctx) - startpos)
/ (endpos - startpos));
if (opts->play_frames > 0)
position = max(position,
1.0 - mpctx->max_frames / (double) opts->play_frames);
char lavcbuf[80];
if (encode_lavc_getstatus(mpctx->encode_lavc_ctx, lavcbuf, sizeof(lavcbuf),
position, get_current_time(mpctx) - startpos) >= 0)
{
// encoding stats
saddf(&line, " %s", lavcbuf);
} else
#endif
{
// VO stats
if (sh_video && mpctx->drop_frame_cnt)
saddf(&line, " D: %d", mpctx->drop_frame_cnt);
}
int cache = mp_get_cache_percent(mpctx);
if (cache >= 0)
saddf(&line, " Cache: %d%%", cache);
// end
write_status_line(mpctx, line);
talloc_free(line);
}
/**
* \brief build a chain of audio filters that converts the input format
* to the ao's format, taking into account the current playback_speed.
* sh_audio describes the requested input format of the chain.
* ao describes the requested output format of the chain.
*/
static int build_afilter_chain(struct MPContext *mpctx)
{
struct sh_audio *sh_audio = mpctx->sh_audio;
struct ao *ao = mpctx->ao;
struct MPOpts *opts = &mpctx->opts;
int new_srate;
int result;
if (!sh_audio) {
mpctx->mixer.afilter = NULL;
return 0;
}
if (af_control_any_rev(sh_audio->afilter,
AF_CONTROL_PLAYBACK_SPEED | AF_CONTROL_SET,
&opts->playback_speed))
new_srate = sh_audio->samplerate;
else {
new_srate = sh_audio->samplerate * opts->playback_speed;
if (new_srate != ao->samplerate) {
// limits are taken from libaf/af_resample.c
if (new_srate < 8000)
new_srate = 8000;
if (new_srate > 192000)
new_srate = 192000;
opts->playback_speed = (float)new_srate / sh_audio->samplerate;
}
}
result = init_audio_filters(sh_audio, new_srate,
&ao->samplerate, &ao->channels, &ao->format);
mpctx->mixer.afilter = sh_audio->afilter;
return result;
}
typedef struct mp_osd_msg mp_osd_msg_t;
struct mp_osd_msg {
/// Previous message on the stack.
mp_osd_msg_t *prev;
/// Message text.
char *msg;
int id, level, started;
/// Display duration in seconds.
double time;
// Show full OSD for duration of message instead of msg
// (osd_show_progression command)
bool show_position;
};
// time is in ms
static mp_osd_msg_t *add_osd_msg(struct MPContext *mpctx, int id, int level,
int time)
{
rm_osd_msg(mpctx, id);
mp_osd_msg_t *msg = talloc_struct(mpctx, mp_osd_msg_t, {
.prev = mpctx->osd_msg_stack,
.msg = "",
.id = id,
.level = level,
.time = time / 1000.0,
});
mpctx->osd_msg_stack = msg;
return msg;
}
static void set_osd_msg_va(struct MPContext *mpctx, int id, int level, int time,
const char *fmt, va_list ap)
{
if (level == OSD_LEVEL_INVISIBLE)
return;
mp_osd_msg_t *msg = add_osd_msg(mpctx, id, level, time);
msg->msg = talloc_vasprintf(msg, fmt, ap);
}
void set_osd_msg(struct MPContext *mpctx, int id, int level, int time,
const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
set_osd_msg_va(mpctx, id, level, time, fmt, ap);
va_end(ap);
}
void set_osd_tmsg(struct MPContext *mpctx, int id, int level, int time,
const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
set_osd_msg_va(mpctx, id, level, time, mp_gtext(fmt), ap);
va_end(ap);
}
/**
* \brief Remove a message from the OSD stack
*
* This function can be used to get rid of a message right away.
*
*/
void rm_osd_msg(struct MPContext *mpctx, int id)
{
mp_osd_msg_t *msg, *last = NULL;
// Search for the msg
for (msg = mpctx->osd_msg_stack; msg && msg->id != id;
last = msg, msg = msg->prev) ;
if (!msg)
return;
// Detach it from the stack and free it
if (last)
last->prev = msg->prev;
else
mpctx->osd_msg_stack = msg->prev;
talloc_free(msg);
}
/**
* \brief Get the current message from the OSD stack.
*
* This function decrements the message timer and destroys the old ones.
* The message that should be displayed is returned (if any).
*
*/
static mp_osd_msg_t *get_osd_msg(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
mp_osd_msg_t *msg, *prev, *last = NULL;
double now = mp_time_sec();
double diff;
char hidden_dec_done = 0;
if (mpctx->osd_visible && now >= mpctx->osd_visible) {
mpctx->osd_visible = 0;
mpctx->osd->progbar_type = -1; // disable
osd_changed(mpctx->osd, OSDTYPE_PROGBAR);
}
if (mpctx->osd_function_visible && now >= mpctx->osd_function_visible) {
mpctx->osd_function_visible = 0;
mpctx->osd_function = 0;
}
if (!mpctx->osd_last_update)
mpctx->osd_last_update = now;
diff = now >= mpctx->osd_last_update ? now - mpctx->osd_last_update : 0;
mpctx->osd_last_update = now;
// Look for the first message in the stack with high enough level.
for (msg = mpctx->osd_msg_stack; msg; last = msg, msg = prev) {
prev = msg->prev;
if (msg->level > opts->osd_level && hidden_dec_done)
continue;
// The message has a high enough level or it is the first hidden one
// in both cases we decrement the timer or kill it.
if (!msg->started || msg->time > diff) {
if (msg->started)
msg->time -= diff;
else
msg->started = 1;
// display it
if (msg->level <= opts->osd_level)
return msg;
hidden_dec_done = 1;
continue;
}
// kill the message
talloc_free(msg);
if (last) {
last->prev = prev;
msg = last;
} else {
mpctx->osd_msg_stack = prev;
msg = NULL;
}
}
// Nothing found
return NULL;
}
// type: mp_osd_font_codepoints, ASCII, or OSD_BAR_*
// name: fallback for terminal OSD
void set_osd_bar(struct MPContext *mpctx, int type, const char *name,
double min, double max, double val)
{
struct MPOpts *opts = &mpctx->opts;
if (opts->osd_level < 1 || !opts->osd_bar_visible)
return;
if (mpctx->sh_video && opts->term_osd != 1) {
mpctx->osd_visible = mp_time_sec() + opts->osd_duration / 1000.0;
mpctx->osd->progbar_type = type;
mpctx->osd->progbar_value = (val - min) / (max - min);
mpctx->osd->progbar_num_stops = 0;
osd_changed(mpctx->osd, OSDTYPE_PROGBAR);
return;
}
set_osd_msg(mpctx, OSD_MSG_BAR, 1, opts->osd_duration, "%s: %d %%",
name, ROUND(100 * (val - min) / (max - min)));
}
// Update a currently displayed bar of the same type, without resetting the
// timer.
static void update_osd_bar(struct MPContext *mpctx, int type,
double min, double max, double val)
{
if (mpctx->osd->progbar_type == type) {
float new_value = (val - min) / (max - min);
if (new_value != mpctx->osd->progbar_value) {
mpctx->osd->progbar_value = new_value;
osd_changed(mpctx->osd, OSDTYPE_PROGBAR);
}
}
}
static void set_osd_bar_chapters(struct MPContext *mpctx, int type)
{
struct osd_state *osd = mpctx->osd;
osd->progbar_num_stops = 0;
if (osd->progbar_type == type) {
double len = get_time_length(mpctx);
if (len > 0) {
int num = get_chapter_count(mpctx);
for (int n = 0; n < num; n++) {
double time = chapter_start_time(mpctx, n);
if (time >= 0) {
float pos = time / len;
MP_TARRAY_APPEND(osd, osd->progbar_stops,
osd->progbar_num_stops, pos);
}
}
}
}
}
void set_osd_function(struct MPContext *mpctx, int osd_function)
{
struct MPOpts *opts = &mpctx->opts;
mpctx->osd_function = osd_function;
mpctx->osd_function_visible = mp_time_sec() + opts->osd_duration / 1000.0;
}
/**
* \brief Display text subtitles on the OSD
*/
static void set_osd_subtitle(struct MPContext *mpctx, const char *text)
{
if (!text)
text = "";
if (strcmp(mpctx->osd->sub_text, text) != 0) {
osd_set_sub(mpctx->osd, text);
if (!mpctx->sh_video) {
rm_osd_msg(mpctx, OSD_MSG_SUB_BASE);
if (text && text[0])
set_osd_msg(mpctx, OSD_MSG_SUB_BASE, 1, INT_MAX, "%s", text);
}
}
if (!text[0])
rm_osd_msg(mpctx, OSD_MSG_SUB_BASE);
}
// sym == mpctx->osd_function
static void saddf_osd_function_sym(char **buffer, int sym)
{
char temp[10];
osd_get_function_sym(temp, sizeof(temp), sym);
saddf(buffer, "%s ", temp);
}
static void sadd_osd_status(char **buffer, struct MPContext *mpctx, bool full)
{
bool fractions = mpctx->opts.osd_fractions;
int sym = mpctx->osd_function;
if (!sym) {
if (mpctx->paused_for_cache && !mpctx->opts.pause) {
sym = OSD_CLOCK;
} else if (mpctx->paused || mpctx->step_frames) {
sym = OSD_PAUSE;
} else {
sym = OSD_PLAY;
}
}
saddf_osd_function_sym(buffer, sym);
char *custom_msg = mpctx->opts.osd_status_msg;
if (custom_msg && full) {
char *text = mp_property_expand_string(mpctx, custom_msg);
*buffer = talloc_strdup_append(*buffer, text);
talloc_free(text);
} else {
sadd_hhmmssff(buffer, get_current_time(mpctx), fractions);
if (full) {
saddf(buffer, " / ");
sadd_hhmmssff(buffer, get_time_length(mpctx), fractions);
sadd_percentage(buffer, get_percent_pos(mpctx));
int cache = mp_get_cache_percent(mpctx);
if (cache >= 0)
saddf(buffer, " Cache: %d%%", cache);
}
}
}
// OSD messages initated by seeking commands are added lazily with this
// function, because multiple successive seek commands can be coalesced.
static void add_seek_osd_messages(struct MPContext *mpctx)
{
if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_BAR) {
set_osd_bar(mpctx, OSD_BAR_SEEK, "Position", 0, 1,
av_clipf(get_current_pos_ratio(mpctx), 0, 1));
set_osd_bar_chapters(mpctx, OSD_BAR_SEEK);
}
if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_TEXT) {
mp_osd_msg_t *msg = add_osd_msg(mpctx, OSD_MSG_TEXT, 1,
mpctx->opts.osd_duration);
msg->show_position = true;
}
if (mpctx->add_osd_seek_info & OSD_SEEK_INFO_CHAPTER_TEXT) {
char *chapter = chapter_display_name(mpctx, get_current_chapter(mpctx));
set_osd_tmsg(mpctx, OSD_MSG_TEXT, 1, mpctx->opts.osd_duration,
"Chapter: %s", chapter);
talloc_free(chapter);
}
if ((mpctx->add_osd_seek_info & OSD_SEEK_INFO_EDITION)
&& mpctx->master_demuxer)
{
set_osd_tmsg(mpctx, OSD_MSG_TEXT, 1, mpctx->opts.osd_duration,
"Playing edition %d of %d.",
mpctx->master_demuxer->edition + 1,
mpctx->master_demuxer->num_editions);
}
mpctx->add_osd_seek_info = 0;
}
/**
* \brief Update the OSD message line.
*
* This function displays the current message on the vo OSD or on the term.
* If the stack is empty and the OSD level is high enough the timer
* is displayed (only on the vo OSD).
*
*/
static void update_osd_msg(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
struct osd_state *osd = mpctx->osd;
add_seek_osd_messages(mpctx);
update_osd_bar(mpctx, OSD_BAR_SEEK, 0, 1,
av_clipf(get_current_pos_ratio(mpctx), 0, 1));
// Look if we have a msg
mp_osd_msg_t *msg = get_osd_msg(mpctx);
if (msg && !msg->show_position) {
if (mpctx->sh_video && opts->term_osd != 1) {
osd_set_text(osd, msg->msg);
} else if (opts->term_osd) {
if (strcmp(mpctx->terminal_osd_text, msg->msg)) {
talloc_free(mpctx->terminal_osd_text);
mpctx->terminal_osd_text = talloc_strdup(mpctx, msg->msg);
// Multi-line message => clear what will be the second line
write_status_line(mpctx, "");
mp_msg(MSGT_CPLAYER, MSGL_STATUS, "%s%s\n", opts->term_osd_esc,
mpctx->terminal_osd_text);
print_status(mpctx);
}
}
return;
}
int osd_level = opts->osd_level;
if (msg && msg->show_position)
osd_level = 3;
if (mpctx->sh_video && opts->term_osd != 1) {
// fallback on the timer
char *text = NULL;
if (osd_level >= 2)
sadd_osd_status(&text, mpctx, osd_level == 3);
osd_set_text(osd, text);
talloc_free(text);
return;
}
// Clear the term osd line
if (opts->term_osd && mpctx->terminal_osd_text[0]) {
mpctx->terminal_osd_text[0] = '\0';
mp_msg(MSGT_CPLAYER, MSGL_STATUS, "%s\n", opts->term_osd_esc);
}
}
void reinit_audio_chain(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
struct ao *ao;
init_demux_stream(mpctx, STREAM_AUDIO);
if (!mpctx->sh_audio) {
uninit_player(mpctx, INITIALIZED_VOL | INITIALIZED_AO);
goto no_audio;
}
if (!(mpctx->initialized_flags & INITIALIZED_ACODEC)) {
if (!init_best_audio_codec(mpctx->sh_audio, opts->audio_decoders))
goto init_error;
mpctx->initialized_flags |= INITIALIZED_ACODEC;
}
if (!(mpctx->initialized_flags & INITIALIZED_AO)) {
mpctx->initialized_flags |= INITIALIZED_AO;
mpctx->ao = ao_create(opts, mpctx->input);
mpctx->ao->samplerate = opts->force_srate;
mpctx->ao->format = opts->audio_output_format;
// Automatic downmix
if (mp_chmap_is_stereo(&opts->audio_output_channels) &&
!mp_chmap_is_stereo(&mpctx->sh_audio->channels))
{
mp_chmap_from_channels(&mpctx->ao->channels, 2);
}
}
ao = mpctx->ao;
// first init to detect best values
if (!init_audio_filters(mpctx->sh_audio, // preliminary init
// input:
mpctx->sh_audio->samplerate,
// output:
&ao->samplerate, &ao->channels, &ao->format)) {
mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Error at audio filter chain "
"pre-init!\n");
goto init_error;
}
if (!ao->initialized) {
ao->encode_lavc_ctx = mpctx->encode_lavc_ctx;
mp_chmap_remove_useless_channels(&ao->channels,
&opts->audio_output_channels);
ao_init(ao, opts->audio_driver_list);
if (!ao->initialized) {
mp_tmsg(MSGT_CPLAYER, MSGL_ERR,
"Could not open/initialize audio device -> no sound.\n");
goto init_error;
}
ao->buffer.start = talloc_new(ao);
char *s = mp_audio_fmt_to_str(ao->samplerate, &ao->channels, ao->format);
mp_msg(MSGT_CPLAYER, MSGL_INFO, "AO: [%s] %s\n",
ao->driver->info->short_name, s);
talloc_free(s);
mp_msg(MSGT_CPLAYER, MSGL_V, "AO: Description: %s\nAO: Author: %s\n",
ao->driver->info->name, ao->driver->info->author);
if (strlen(ao->driver->info->comment) > 0)
mp_msg(MSGT_CPLAYER, MSGL_V, "AO: Comment: %s\n",
ao->driver->info->comment);
}
// init audio filters:
if (!build_afilter_chain(mpctx)) {
mp_tmsg(MSGT_CPLAYER, MSGL_ERR,
"Couldn't find matching filter/ao format!\n");
goto init_error;
}
mpctx->mixer.volstep = opts->volstep;
mpctx->mixer.softvol = opts->softvol;
mpctx->mixer.softvol_max = opts->softvol_max;
mixer_reinit(&mpctx->mixer, ao);
if (!(mpctx->initialized_flags & INITIALIZED_VOL)) {
if (opts->mixer_init_volume >= 0) {
mixer_setvolume(&mpctx->mixer, opts->mixer_init_volume,
opts->mixer_init_volume);
}
if (opts->mixer_init_mute >= 0)
mixer_setmute(&mpctx->mixer, opts->mixer_init_mute);
mpctx->initialized_flags |= INITIALIZED_VOL;
}
mpctx->syncing_audio = true;
return;
init_error:
uninit_player(mpctx, INITIALIZED_ACODEC | INITIALIZED_AO | INITIALIZED_VOL);
cleanup_demux_stream(mpctx, STREAM_AUDIO);
no_audio:
mpctx->current_track[STREAM_AUDIO] = NULL;
mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Audio: no audio\n");
}
// Return pts value corresponding to the end point of audio written to the
// ao so far.
static double written_audio_pts(struct MPContext *mpctx)
{
sh_audio_t *sh_audio = mpctx->sh_audio;
if (!sh_audio)
return MP_NOPTS_VALUE;
demux_stream_t *d_audio = mpctx->sh_audio->ds;
// first calculate the end pts of audio that has been output by decoder
double a_pts = sh_audio->pts;
if (a_pts != MP_NOPTS_VALUE)
// Good, decoder supports new way of calculating audio pts.
// sh_audio->pts is the timestamp of the latest input packet with
// known pts that the decoder has decoded. sh_audio->pts_bytes is
// the amount of bytes the decoder has written after that timestamp.
a_pts += sh_audio->pts_bytes / (double) sh_audio->o_bps;
else {
// Decoder doesn't support new way of calculating pts (or we're
// being called before it has decoded anything with known timestamp).
// Use the old method of audio pts calculation: take the timestamp
// of last packet with known pts the decoder has read data from,
// and add amount of bytes read after the beginning of that packet
// divided by input bps. This will be inaccurate if the input/output
// ratio is not constant for every audio packet or if it is constant
// but not accurately known in sh_audio->i_bps.
a_pts = d_audio->pts;
if (a_pts == MP_NOPTS_VALUE)
return a_pts;
// ds_tell_pts returns bytes read after last timestamp from
// demuxing layer, decoder might use sh_audio->a_in_buffer for bytes
// it has read but not decoded
if (sh_audio->i_bps)
a_pts += (ds_tell_pts(d_audio) - sh_audio->a_in_buffer_len) /
(double)sh_audio->i_bps;
}
// Now a_pts hopefully holds the pts for end of audio from decoder.
// Substract data in buffers between decoder and audio out.
// Decoded but not filtered
a_pts -= sh_audio->a_buffer_len / (double)sh_audio->o_bps;
// Data buffered in audio filters, measured in bytes of "missing" output
double buffered_output = af_calc_delay(sh_audio->afilter);
// Data that was ready for ao but was buffered because ao didn't fully
// accept everything to internal buffers yet
buffered_output += mpctx->ao->buffer.len;
// Filters divide audio length by playback_speed, so multiply by it
// to get the length in original units without speedup or slowdown
a_pts -= buffered_output * mpctx->opts.playback_speed / mpctx->ao->bps;
return a_pts + mpctx->video_offset;
}
// Return pts value corresponding to currently playing audio.
double playing_audio_pts(struct MPContext *mpctx)
{
double pts = written_audio_pts(mpctx);
if (pts == MP_NOPTS_VALUE)
return pts;
return pts - mpctx->opts.playback_speed *ao_get_delay(mpctx->ao);
}
// When reading subtitles from a demuxer, and we don't read video or audio
// from the demuxer, we must explicitly read subtitle packets. (Normally,
// subs are interleaved with video and audio, so we get them automatically.)
static bool is_non_interleaved(struct MPContext *mpctx, struct track *track)
{
if (track->is_external || !track->demuxer)
return true;
struct demuxer *demuxer = track->demuxer;
for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
struct track *other = mpctx->current_track[type];
if (other && other != track && other->demuxer && other->demuxer == demuxer)
return false;
}
return true;
}
static void reset_subtitles(struct MPContext *mpctx)
{
if (mpctx->sh_sub)
sub_reset(mpctx->sh_sub->dec_sub);
set_osd_subtitle(mpctx, NULL);
osd_changed(mpctx->osd, OSDTYPE_SUB);
}
static void update_subtitles(struct MPContext *mpctx, double refpts_tl)
{
struct MPOpts *opts = &mpctx->opts;
if (!(mpctx->initialized_flags & INITIALIZED_SUB))
return;
struct track *track = mpctx->current_track[STREAM_SUB];
struct sh_sub *sh_sub = mpctx->sh_sub;
assert(track && sh_sub);
struct dec_sub *dec_sub = sh_sub->dec_sub;
double video_offset = track->under_timeline ? mpctx->video_offset : 0;
mpctx->osd->sub_offset = video_offset - opts->sub_delay;
double curpts_s = refpts_tl - mpctx->osd->sub_offset;
double refpts_s = refpts_tl - video_offset;
if (!track->preloaded) {
struct demux_stream *d_sub = sh_sub->ds;
bool non_interleaved = is_non_interleaved(mpctx, track);
while (1) {
if (non_interleaved)
ds_get_next_pts(d_sub);
if (!d_sub->first)
break;
double subpts_s = ds_get_next_pts(d_sub);
if (subpts_s == MP_NOPTS_VALUE) {
// Try old method of getting PTS. This is only needed in the
// DVD playback case with demux_mpg.
// XXX This is wrong, sh_video->pts can be arbitrarily
// much behind demuxing position. Unfortunately using
// d_video->pts which would have been the simplest
// improvement doesn't work because mpeg specific hacks
// in video.c set d_video->pts to 0.
float x = d_sub->pts - refpts_s;
if (x > -20 && x < 20) // prevent missing subs on pts reset
subpts_s = d_sub->pts;
else
subpts_s = curpts_s;
}
if (subpts_s > curpts_s) {
mp_dbg(MSGT_CPLAYER, MSGL_DBG2,
"Sub early: c_pts=%5.3f s_pts=%5.3f\n",
curpts_s, subpts_s);
// Libass handled subs can be fed to it in advance
if (!sub_accept_packets_in_advance(dec_sub))
break;
// Try to avoid demuxing whole file at once
if (non_interleaved && subpts_s > curpts_s + 1)
break;
}
struct demux_packet pkt;
struct demux_packet *orig = ds_get_packet_sub(d_sub);
if (!orig)
break;
pkt = *orig;
pkt.pts = subpts_s;
mp_dbg(MSGT_CPLAYER, MSGL_V, "Sub: c_pts=%5.3f s_pts=%5.3f "
"duration=%5.3f len=%d\n", curpts_s, pkt.pts, pkt.duration,
pkt.len);
sub_decode(dec_sub, &pkt);
}
}
if (!mpctx->osd->render_bitmap_subs || !mpctx->sh_video)
set_osd_subtitle(mpctx, sub_get_text(dec_sub, curpts_s));
}
static int check_framedrop(struct MPContext *mpctx, double frame_time)
{
struct MPOpts *opts = &mpctx->opts;
// check for frame-drop:
if (mpctx->sh_audio && !mpctx->ao->untimed && !mpctx->sh_audio->ds->eof) {
float delay = opts->playback_speed * ao_get_delay(mpctx->ao);
float d = delay - mpctx->delay;
// we should avoid dropping too many frames in sequence unless we
// are too late. and we allow 100ms A-V delay here:
if (d < -mpctx->dropped_frames * frame_time - 0.100 && !mpctx->paused
&& !mpctx->restart_playback) {
mpctx->drop_frame_cnt++;
mpctx->dropped_frames++;
return mpctx->opts.frame_dropping;
} else
mpctx->dropped_frames = 0;
}
return 0;
}
static double timing_sleep(struct MPContext *mpctx, double time_frame)
{
// assume kernel HZ=100 for softsleep, works with larger HZ but with
// unnecessarily high CPU usage
struct MPOpts *opts = &mpctx->opts;
double margin = opts->softsleep ? 0.011 : 0;
while (time_frame > margin) {
mp_sleep_us(1000000 * (time_frame - margin));
time_frame -= get_relative_time(mpctx);
}
if (opts->softsleep) {
if (time_frame < 0)
mp_tmsg(MSGT_AVSYNC, MSGL_WARN,
"Warning! Softsleep underflow!\n");
while (time_frame > 0)
time_frame -= get_relative_time(mpctx); // burn the CPU
}
return time_frame;
}
static void set_dvdsub_fake_extradata(struct dec_sub *dec_sub, struct stream *st,
int width, int height)
{
#ifdef CONFIG_DVDREAD
if (!st)
return;
struct stream_dvd_info_req info;
if (stream_control(st, STREAM_CTRL_GET_DVD_INFO, &info) < 0)
return;
struct mp_csp_params csp = MP_CSP_PARAMS_DEFAULTS;
csp.int_bits_in = 8;
csp.int_bits_out = 8;
float cmatrix[3][4];
mp_get_yuv2rgb_coeffs(&csp, cmatrix);
if (width == 0 || height == 0) {
width = 720;
height = 480;
}
char *s = NULL;
s = talloc_asprintf_append(s, "size: %dx%d\n", width, height);
s = talloc_asprintf_append(s, "palette: ");
for (int i = 0; i < 16; i++) {
int color = info.palette[i];
int c[3] = {(color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff};
mp_map_int_color(cmatrix, 8, c);
color = (c[2] << 16) | (c[1] << 8) | c[0];
if (i != 0)
talloc_asprintf_append(s, ", ");
s = talloc_asprintf_append(s, "%06x", color);
}
s = talloc_asprintf_append(s, "\n");
sub_set_extradata(dec_sub, s, strlen(s));
talloc_free(s);
#endif
}
static void reinit_subs(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
struct track *track = mpctx->current_track[STREAM_SUB];
assert(!(mpctx->initialized_flags & INITIALIZED_SUB));
init_demux_stream(mpctx, STREAM_SUB);
if (!mpctx->sh_sub)
return;
if (!mpctx->sh_sub->dec_sub)
mpctx->sh_sub->dec_sub = sub_create(opts);
assert(track->demuxer);
if (!track->stream) {
// Lazily added DVD track - we must not miss the first subtitle packet,
// which makes the demuxer create the sh_stream, and contains the first
// subtitle event.
// demux_mpg - maps IDs directly to the logical stream number
track->demuxer->sub->id = track->demuxer_id;
// demux_lavf - IDs are essentially random, have to use MPEG IDs
int id = map_id_to_demuxer(track->demuxer, track->type,
track->demuxer_id);
demux_control(track->demuxer, DEMUXER_CTRL_AUTOSELECT_SUBTITLE, &id);
return;
}
mpctx->initialized_flags |= INITIALIZED_SUB;
struct sh_sub *sh_sub = mpctx->sh_sub;
struct dec_sub *dec_sub = sh_sub->dec_sub;
assert(dec_sub);
if (!sub_is_initialized(dec_sub)) {
int w = mpctx->sh_video ? mpctx->sh_video->disp_w : 0;
int h = mpctx->sh_video ? mpctx->sh_video->disp_h : 0;
float fps = mpctx->sh_video ? mpctx->sh_video->fps : 25;
set_dvdsub_fake_extradata(dec_sub, track->demuxer->stream, w, h);
sub_set_video_res(dec_sub, w, h);
sub_set_video_fps(dec_sub, fps);
sub_set_ass_renderer(dec_sub, mpctx->osd->ass_library,
mpctx->osd->ass_renderer);
sub_init_from_sh(dec_sub, sh_sub);
// Don't do this if the file has video/audio streams. Don't do it even
// if it has only sub streams, because reading packets will change the
// demuxer position.
if (!track->preloaded && track->is_external) {
demux_seek(track->demuxer, 0, 0, SEEK_ABSOLUTE);
track->preloaded = sub_read_all_packets(dec_sub, sh_sub);
}
}
mpctx->osd->dec_sub = dec_sub;
// Decides whether to use OSD path or normal subtitle rendering path.
mpctx->osd->render_bitmap_subs =
opts->ass_enabled || !sub_has_get_text(dec_sub);
reset_subtitles(mpctx);
}
static char *track_layout_hash(struct MPContext *mpctx)
{
char *h = talloc_strdup(NULL, "");
for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
for (int n = 0; n < mpctx->num_tracks; n++) {
struct track *track = mpctx->tracks[n];
if (track->type != type)
continue;
h = talloc_asprintf_append_buffer(h, "%d-%d-%d-%d-%s\n", type,
track->user_tid, track->default_track, track->is_external,
track->lang ? track->lang : "");
}
}
return h;
}
void mp_switch_track(struct MPContext *mpctx, enum stream_type type,
struct track *track)
{
assert(!track || track->type == type);
struct track *current = mpctx->current_track[type];
if (track == current)
return;
if (type == STREAM_VIDEO) {
uninit_player(mpctx, INITIALIZED_VCODEC |
(mpctx->opts.fixed_vo && track ? 0 : INITIALIZED_VO));
} else if (type == STREAM_AUDIO) {
uninit_player(mpctx, INITIALIZED_AO | INITIALIZED_ACODEC | INITIALIZED_VOL);
} else if (type == STREAM_SUB) {
uninit_player(mpctx, INITIALIZED_SUB);
}
mpctx->current_track[type] = track;
int user_tid = track ? track->user_tid : -2;
if (type == STREAM_VIDEO) {
mpctx->opts.video_id = user_tid;
reinit_video_chain(mpctx);
} else if (type == STREAM_AUDIO) {
mpctx->opts.audio_id = user_tid;
reinit_audio_chain(mpctx);
} else if (type == STREAM_SUB) {
mpctx->opts.sub_id = user_tid;
reinit_subs(mpctx);
}
talloc_free(mpctx->track_layout_hash);
mpctx->track_layout_hash = talloc_steal(mpctx, track_layout_hash(mpctx));
}
struct track *mp_track_by_tid(struct MPContext *mpctx, enum stream_type type,
int tid)
{
if (tid == -1)
return mpctx->current_track[type];
for (int n = 0; n < mpctx->num_tracks; n++) {
struct track *track = mpctx->tracks[n];
if (track->type == type && track->user_tid == tid)
return track;
}
return NULL;
}
bool mp_remove_track(struct MPContext *mpctx, struct track *track)
{
if (track->under_timeline)
return false;
if (!track->is_external)
return false;
if (mpctx->current_track[track->type] == track) {
mp_switch_track(mpctx, track->type, NULL);
if (mpctx->current_track[track->type] == track)
return false;
}
int index = 0;
while (index < mpctx->num_tracks && mpctx->tracks[index] != track)
index++;
assert(index < mpctx->num_tracks);
while (index + 1 < mpctx->num_tracks) {
mpctx->tracks[index] = mpctx->tracks[index + 1];
index++;
}
mpctx->num_tracks--;
talloc_free(track);
return true;
}
/* Modify video timing to match the audio timeline. There are two main
* reasons this is needed. First, video and audio can start from different
* positions at beginning of file or after a seek (MPlayer starts both
* immediately even if they have different pts). Second, the file can have
* audio timestamps that are inconsistent with the duration of the audio
* packets, for example two consecutive timestamp values differing by
* one second but only a packet with enough samples for half a second
* of playback between them.
*/
static void adjust_sync(struct MPContext *mpctx, double frame_time)
{
struct MPOpts *opts = &mpctx->opts;
if (!mpctx->sh_audio || mpctx->syncing_audio)
return;
double a_pts = written_audio_pts(mpctx) - mpctx->delay;
double v_pts = mpctx->sh_video->pts;
double av_delay = a_pts - v_pts;
// Try to sync vo_flip() so it will *finish* at given time
av_delay += mpctx->last_vo_flip_duration;
av_delay -= mpctx->audio_delay; // This much pts difference is desired
double change = av_delay * 0.1;
double max_change = opts->default_max_pts_correction >= 0 ?
opts->default_max_pts_correction : frame_time * 0.1;
if (change < -max_change)
change = -max_change;
else if (change > max_change)
change = max_change;
mpctx->delay += change;
mpctx->total_avsync_change += change;
}
static int write_to_ao(struct MPContext *mpctx, void *data, int len, int flags,
double pts)
{
if (mpctx->paused)
return 0;
struct ao *ao = mpctx->ao;
double bps = ao->bps / mpctx->opts.playback_speed;
ao->pts = pts;
int played = ao_play(mpctx->ao, data, len, flags);
if (played > 0) {
mpctx->delay += played / bps;
// Keep correct pts for remaining data - could be used to flush
// remaining buffer when closing ao.
ao->pts += played / bps;
return played;
}
return 0;
}
#define ASYNC_PLAY_DONE -3
static int audio_start_sync(struct MPContext *mpctx, int playsize)
{
struct ao *ao = mpctx->ao;
struct MPOpts *opts = &mpctx->opts;
sh_audio_t * const sh_audio = mpctx->sh_audio;
int res;
// Timing info may not be set without
res = decode_audio(sh_audio, &ao->buffer, 1);
if (res < 0)
return res;
int bytes;
bool did_retry = false;
double written_pts;
double bps = ao->bps / opts->playback_speed;
bool hrseek = mpctx->hrseek_active; // audio only hrseek
mpctx->hrseek_active = false;
while (1) {
written_pts = written_audio_pts(mpctx);
double ptsdiff;
if (hrseek)
ptsdiff = written_pts - mpctx->hrseek_pts;
else
ptsdiff = written_pts - mpctx->sh_video->pts - mpctx->delay
- mpctx->audio_delay;
bytes = ptsdiff * bps;
bytes -= bytes % (ao->channels.num * af_fmt2bits(ao->format) / 8);
// ogg demuxers give packets without timing
if (written_pts <= 1 && sh_audio->pts == MP_NOPTS_VALUE) {
if (!did_retry) {
// Try to read more data to see packets that have pts
int res = decode_audio(sh_audio, &ao->buffer, ao->bps);
if (res < 0)
return res;
did_retry = true;
continue;
}
bytes = 0;
}
if (fabs(ptsdiff) > 300 || isnan(ptsdiff)) // pts reset or just broken?
bytes = 0;
if (bytes > 0)
break;
mpctx->syncing_audio = false;
int a = FFMIN(-bytes, FFMAX(playsize, 20000));
int res = decode_audio(sh_audio, &ao->buffer, a);
bytes += ao->buffer.len;
if (bytes >= 0) {
memmove(ao->buffer.start,
ao->buffer.start + ao->buffer.len - bytes, bytes);
ao->buffer.len = bytes;
if (res < 0)
return res;
return decode_audio(sh_audio, &ao->buffer, playsize);
}
ao->buffer.len = 0;
if (res < 0)
return res;
}
if (hrseek)
// Don't add silence in audio-only case even if position is too late
return 0;
int fillbyte = 0;
if ((ao->format & AF_FORMAT_SIGN_MASK) == AF_FORMAT_US)
fillbyte = 0x80;
if (bytes >= playsize) {
/* This case could fall back to the one below with
* bytes = playsize, but then silence would keep accumulating
* in a_out_buffer if the AO accepts less data than it asks for
* in playsize. */
char *p = malloc(playsize);
memset(p, fillbyte, playsize);
write_to_ao(mpctx, p, playsize, 0, written_pts - bytes / bps);
free(p);
return ASYNC_PLAY_DONE;
}
mpctx->syncing_audio = false;
decode_audio_prepend_bytes(&ao->buffer, bytes, fillbyte);
return decode_audio(sh_audio, &ao->buffer, playsize);
}
static int fill_audio_out_buffers(struct MPContext *mpctx, double endpts)
{
struct MPOpts *opts = &mpctx->opts;
struct ao *ao = mpctx->ao;
int playsize;
int playflags = 0;
bool audio_eof = false;
bool partial_fill = false;
sh_audio_t * const sh_audio = mpctx->sh_audio;
bool modifiable_audio_format = !(ao->format & AF_FORMAT_SPECIAL_MASK);
int unitsize = ao->channels.num * af_fmt2bits(ao->format) / 8;
if (mpctx->paused)
playsize = 1; // just initialize things (audio pts at least)
else
playsize = ao_get_space(ao);
// Coming here with hrseek_active still set means audio-only
if (!mpctx->sh_video)
mpctx->syncing_audio = false;
if (!opts->initial_audio_sync || !modifiable_audio_format) {
mpctx->syncing_audio = false;
mpctx->hrseek_active = false;
}
int res;
if (mpctx->syncing_audio || mpctx->hrseek_active)
res = audio_start_sync(mpctx, playsize);
else
res = decode_audio(sh_audio, &ao->buffer, playsize);
if (res < 0) { // EOF, error or format change
if (res == -2) {
/* The format change isn't handled too gracefully. A more precise
* implementation would require draining buffered old-format audio
* while displaying video, then doing the output format switch.
*/
if (!mpctx->opts.gapless_audio)
uninit_player(mpctx, INITIALIZED_AO | INITIALIZED_VOL);
reinit_audio_chain(mpctx);
return -1;
} else if (res == ASYNC_PLAY_DONE)
return 0;
else if (mpctx->sh_audio->ds->eof)
audio_eof = true;
}
if (endpts != MP_NOPTS_VALUE && modifiable_audio_format) {
double bytes = (endpts - written_audio_pts(mpctx) + mpctx->audio_delay)
* ao->bps / opts->playback_speed;
if (playsize > bytes) {
playsize = FFMAX(bytes, 0);
playflags |= AOPLAY_FINAL_CHUNK;
audio_eof = true;
partial_fill = true;
}
}
assert(ao->buffer.len % unitsize == 0);
if (playsize > ao->buffer.len) {
partial_fill = true;
playsize = ao->buffer.len;
if (audio_eof)
playflags |= AOPLAY_FINAL_CHUNK;
}
playsize -= playsize % unitsize;
if (!playsize)
return partial_fill && audio_eof ? -2 : -partial_fill;
// play audio:
int played = write_to_ao(mpctx, ao->buffer.start, playsize, playflags,
written_audio_pts(mpctx));
assert(played % unitsize == 0);
ao->buffer_playable_size = playsize - played;
if (played > 0) {
ao->buffer.len -= played;
memmove(ao->buffer.start, ao->buffer.start + played, ao->buffer.len);
} else if (!mpctx->paused && audio_eof && ao_get_delay(ao) < .04) {
// Sanity check to avoid hanging in case current ao doesn't output
// partial chunks and doesn't check for AOPLAY_FINAL_CHUNK
return -2;
}
return -partial_fill;
}
static void update_fps(struct MPContext *mpctx)
{
#ifdef CONFIG_ENCODING
struct sh_video *sh_video = mpctx->sh_video;
if (mpctx->encode_lavc_ctx && sh_video)
encode_lavc_set_video_fps(mpctx->encode_lavc_ctx, sh_video->fps);
#endif
}
static void recreate_video_filters(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
struct sh_video *sh_video = mpctx->sh_video;
assert(sh_video);
vf_uninit_filter_chain(sh_video->vfilter);
char *vf_arg[] = {
"_oldargs_", (char *)mpctx->video_out, NULL
};
sh_video->vfilter = vf_open_filter(opts, NULL, "vo", vf_arg);
sh_video->vfilter = append_filters(sh_video->vfilter, opts->vf_settings);
struct vf_instance *vf = sh_video->vfilter;
mpctx->osd->render_subs_in_filter
= vf->control(vf, VFCTRL_INIT_OSD, NULL) == VO_TRUE;
}
int reinit_video_filters(struct MPContext *mpctx)
{
struct sh_video *sh_video = mpctx->sh_video;
if (!sh_video)
return -2;
recreate_video_filters(mpctx);
video_reinit_vo(sh_video);
return sh_video->vf_initialized > 0 ? 0 : -1;
}
int reinit_video_chain(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
assert(!(mpctx->initialized_flags & INITIALIZED_VCODEC));
init_demux_stream(mpctx, STREAM_VIDEO);
sh_video_t * const sh_video = mpctx->sh_video;
if (!sh_video) {
uninit_player(mpctx, INITIALIZED_VO);
goto no_video;
}
if (!video_read_properties(mpctx->sh_video)) {
mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Video: Cannot read properties.\n");
goto err_out;
} else {
mp_tmsg(MSGT_CPLAYER, MSGL_V, "[V] filefmt:%d fourcc:0x%X "
"size:%dx%d fps:%5.3f ftime:=%6.4f\n",
mpctx->master_demuxer->file_format, mpctx->sh_video->format,
mpctx->sh_video->disp_w, mpctx->sh_video->disp_h,
mpctx->sh_video->fps, mpctx->sh_video->frametime);
if (opts->force_fps) {
mpctx->sh_video->fps = opts->force_fps;
mpctx->sh_video->frametime = 1.0f / mpctx->sh_video->fps;
}
update_fps(mpctx);
if (!mpctx->sh_video->fps && !opts->force_fps && !opts->correct_pts) {
mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "FPS not specified in the "
"header or invalid, use the -fps option.\n");
}
}
double ar = -1.0;
//================== Init VIDEO (codec & libvo) ==========================
if (!opts->fixed_vo || !(mpctx->initialized_flags & INITIALIZED_VO)) {
mpctx->video_out
= init_best_video_out(&opts->vo, mpctx->key_fifo, mpctx->input,
mpctx->encode_lavc_ctx);
if (!mpctx->video_out) {
mp_tmsg(MSGT_CPLAYER, MSGL_FATAL, "Error opening/initializing "
"the selected video_out (-vo) device.\n");
goto err_out;
}
if (opts->vo.cursor_autohide_delay != -1) {
vo_control(mpctx->video_out, VOCTRL_SET_CURSOR_VISIBILITY,
&(bool){false});
}
mpctx->initialized_flags |= INITIALIZED_VO;
}
vo_update_window_title(mpctx);
if (stream_control(mpctx->sh_video->ds->demuxer->stream,
STREAM_CTRL_GET_ASPECT_RATIO, &ar) != STREAM_UNSUPPORTED)
mpctx->sh_video->stream_aspect = ar;
recreate_video_filters(mpctx);
init_best_video_codec(sh_video, opts->video_decoders);
if (!sh_video->initialized)
goto err_out;
mpctx->initialized_flags |= INITIALIZED_VCODEC;
bool saver_state = opts->pause || !opts->stop_screensaver;
vo_control(mpctx->video_out, saver_state ? VOCTRL_RESTORE_SCREENSAVER
: VOCTRL_KILL_SCREENSAVER, NULL);
vo_control(mpctx->video_out, mpctx->paused ? VOCTRL_PAUSE
: VOCTRL_RESUME, NULL);
sh_video->last_pts = MP_NOPTS_VALUE;
sh_video->num_buffered_pts = 0;
sh_video->next_frame_time = 0;
mpctx->restart_playback = true;
mpctx->delay = 0;
mpctx->vo_pts_history_seek_ts++;
reset_subtitles(mpctx);
return 1;
err_out:
uninit_player(mpctx, INITIALIZED_VO);
cleanup_demux_stream(mpctx, STREAM_VIDEO);
no_video:
mpctx->current_track[STREAM_VIDEO] = NULL;
mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Video: no video\n");
return 0;
}
static void add_frame_pts(struct MPContext *mpctx, double pts)
{
if (pts == MP_NOPTS_VALUE || mpctx->hrseek_framedrop) {
mpctx->vo_pts_history_seek_ts++; // mark discontinuity
return;
}
for (int n = MAX_NUM_VO_PTS - 1; n >= 1; n--) {
mpctx->vo_pts_history_seek[n] = mpctx->vo_pts_history_seek[n - 1];
mpctx->vo_pts_history_pts[n] = mpctx->vo_pts_history_pts[n - 1];
}
mpctx->vo_pts_history_seek[0] = mpctx->vo_pts_history_seek_ts;
mpctx->vo_pts_history_pts[0] = pts;
}
static double find_previous_pts(struct MPContext *mpctx, double pts)
{
for (int n = 0; n < MAX_NUM_VO_PTS - 1; n++) {
if (pts == mpctx->vo_pts_history_pts[n] &&
mpctx->vo_pts_history_seek[n] != 0 &&
mpctx->vo_pts_history_seek[n] == mpctx->vo_pts_history_seek[n + 1])
{
return mpctx->vo_pts_history_pts[n + 1];
}
}
return MP_NOPTS_VALUE;
}
static double get_last_frame_pts(struct MPContext *mpctx)
{
if (mpctx->vo_pts_history_seek[0] == mpctx->vo_pts_history_seek_ts)
return mpctx->vo_pts_history_pts[0];
return MP_NOPTS_VALUE;
}
static bool filter_output_queued_frame(struct MPContext *mpctx)
{
struct sh_video *sh_video = mpctx->sh_video;
struct vo *video_out = mpctx->video_out;
struct mp_image *img = vf_chain_output_queued_frame(sh_video->vfilter);
if (img)
vo_queue_image(video_out, img);
talloc_free(img);
return !!img;
}
static void filter_video(struct MPContext *mpctx, struct mp_image *frame)
{
struct sh_video *sh_video = mpctx->sh_video;
frame->pts = sh_video->pts;
vf_filter_frame(sh_video->vfilter, frame);
filter_output_queued_frame(mpctx);
}
static double update_video_nocorrect_pts(struct MPContext *mpctx)
{
struct sh_video *sh_video = mpctx->sh_video;
double frame_time = 0;
struct vo *video_out = mpctx->video_out;
while (1) {
// In nocorrect-pts mode there is no way to properly time these frames
if (vo_get_buffered_frame(video_out, 0) >= 0)
break;
if (filter_output_queued_frame(mpctx))
break;
unsigned char *packet = NULL;
frame_time = sh_video->next_frame_time;
if (mpctx->restart_playback)
frame_time = 0;
int in_size = 0;
while (!in_size)
in_size = video_read_frame(sh_video, &sh_video->next_frame_time,
&packet, mpctx->opts.force_fps);
if (in_size < 0)
return -1;
if (mpctx->sh_audio)
mpctx->delay -= frame_time;
// video_read_frame can change fps (e.g. for ASF video)
update_fps(mpctx);
int framedrop_type = check_framedrop(mpctx, frame_time);
struct demux_packet pkt = {0};
if (sh_video->ds->current)
pkt = *sh_video->ds->current;
pkt.buffer = packet;
pkt.len = in_size;
void *decoded_frame = decode_video(sh_video, &pkt, framedrop_type,
sh_video->pts);
if (decoded_frame) {
filter_video(mpctx, decoded_frame);
}
break;
}
return frame_time;
}
static void determine_frame_pts(struct MPContext *mpctx)
{
struct sh_video *sh_video = mpctx->sh_video;
struct MPOpts *opts = &mpctx->opts;
if (opts->user_pts_assoc_mode)
sh_video->pts_assoc_mode = opts->user_pts_assoc_mode;
else if (sh_video->pts_assoc_mode == 0) {
if (mpctx->sh_video->ds->demuxer->timestamp_type == TIMESTAMP_TYPE_PTS
&& sh_video->codec_reordered_pts != MP_NOPTS_VALUE)
sh_video->pts_assoc_mode = 1;
else
sh_video->pts_assoc_mode = 2;
} else {
int probcount1 = sh_video->num_reordered_pts_problems;
int probcount2 = sh_video->num_sorted_pts_problems;
if (sh_video->pts_assoc_mode == 2) {
int tmp = probcount1;
probcount1 = probcount2;
probcount2 = tmp;
}
if (probcount1 >= probcount2 * 1.5 + 2) {
sh_video->pts_assoc_mode = 3 - sh_video->pts_assoc_mode;
mp_msg(MSGT_CPLAYER, MSGL_V, "Switching to pts association mode "
"%d.\n", sh_video->pts_assoc_mode);
}
}
sh_video->pts = sh_video->pts_assoc_mode == 1 ?
sh_video->codec_reordered_pts : sh_video->sorted_pts;
}
static double update_video(struct MPContext *mpctx, double endpts)
{
struct sh_video *sh_video = mpctx->sh_video;
struct vo *video_out = mpctx->video_out;
sh_video->vfilter->control(sh_video->vfilter, VFCTRL_SET_OSD_OBJ,
mpctx->osd); // for vf_sub
if (!mpctx->opts.correct_pts)
return update_video_nocorrect_pts(mpctx);
double pts;
while (1) {
if (vo_get_buffered_frame(video_out, false) >= 0)
break;
if (filter_output_queued_frame(mpctx))
break;
pts = MP_NOPTS_VALUE;
struct demux_packet *pkt;
while (1) {
pkt = ds_get_packet2(mpctx->sh_video->ds, false);
if (!pkt || pkt->len)
break;
/* Packets with size 0 are assumed to not correspond to frames,
* but to indicate the absence of a frame in formats like AVI
* that must have packets at fixed timecode intervals. */
}
if (pkt)
pts = pkt->pts;
if (pts != MP_NOPTS_VALUE)
pts += mpctx->video_offset;
if (pts >= mpctx->hrseek_pts - .005)
mpctx->hrseek_framedrop = false;
int framedrop_type = mpctx->hrseek_active && mpctx->hrseek_framedrop ?
1 : check_framedrop(mpctx, sh_video->frametime);
struct mp_image *decoded_frame =
decode_video(sh_video, pkt, framedrop_type, pts);
if (decoded_frame) {
determine_frame_pts(mpctx);
filter_video(mpctx, decoded_frame);
} else if (!pkt) {
if (vo_get_buffered_frame(video_out, true) < 0)
return -1;
}
break;
}
if (!video_out->frame_loaded)
return 0;
pts = video_out->next_pts;
if (pts == MP_NOPTS_VALUE) {
mp_msg(MSGT_CPLAYER, MSGL_ERR, "Video pts after filters MISSING\n");
// Try to use decoder pts from before filters
pts = sh_video->pts;
if (pts == MP_NOPTS_VALUE)
pts = sh_video->last_pts;
}
if (endpts == MP_NOPTS_VALUE || pts < endpts)
add_frame_pts(mpctx, pts);
if (mpctx->hrseek_active && pts < mpctx->hrseek_pts - .005) {
vo_skip_frame(video_out);
return 0;
}
mpctx->hrseek_active = false;
sh_video->pts = pts;
if (sh_video->last_pts == MP_NOPTS_VALUE)
sh_video->last_pts = sh_video->pts;
else if (sh_video->last_pts > sh_video->pts) {
mp_msg(MSGT_CPLAYER, MSGL_WARN, "Decreasing video pts: %f < %f\n",
sh_video->pts, sh_video->last_pts);
/* If the difference in pts is small treat it as jitter around the
* right value (possibly caused by incorrect timestamp ordering) and
* just show this frame immediately after the last one.
* Treat bigger differences as timestamp resets and start counting
* timing of later frames from the position of this one. */
if (sh_video->last_pts - sh_video->pts > 0.5)
sh_video->last_pts = sh_video->pts;
else
sh_video->pts = sh_video->last_pts;
} else if (sh_video->pts >= sh_video->last_pts + 60) {
// Assume a PTS difference >= 60 seconds is a discontinuity.
mp_msg(MSGT_CPLAYER, MSGL_WARN, "Jump in video pts: %f -> %f\n",
sh_video->last_pts, sh_video->pts);
sh_video->last_pts = sh_video->pts;
}
double frame_time = sh_video->pts - sh_video->last_pts;
sh_video->last_pts = sh_video->pts;
if (mpctx->sh_audio)
mpctx->delay -= frame_time;
return frame_time;
}
void pause_player(struct MPContext *mpctx)
{
mpctx->opts.pause = 1;
if (mpctx->video_out)
vo_control(mpctx->video_out, VOCTRL_RESTORE_SCREENSAVER, NULL);
if (mpctx->paused)
return;
mpctx->paused = true;
mpctx->step_frames = 0;
mpctx->time_frame -= get_relative_time(mpctx);
mpctx->osd_function = 0;
mpctx->paused_for_cache = false;
if (mpctx->video_out && mpctx->sh_video && mpctx->video_out->config_ok)
vo_control(mpctx->video_out, VOCTRL_PAUSE, NULL);
if (mpctx->ao && mpctx->sh_audio)
ao_pause(mpctx->ao); // pause audio, keep data if possible
// Only print status if there's actually a file being played.
if (mpctx->num_sources)
print_status(mpctx);
if (!mpctx->opts.quiet)
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_PAUSED\n");
}
void unpause_player(struct MPContext *mpctx)
{
mpctx->opts.pause = 0;
if (mpctx->video_out && mpctx->opts.stop_screensaver)
vo_control(mpctx->video_out, VOCTRL_KILL_SCREENSAVER, NULL);
if (!mpctx->paused)
return;
// Don't actually unpause while cache is loading.
if (mpctx->paused_for_cache)
return;
mpctx->paused = false;
mpctx->osd_function = 0;
if (mpctx->ao && mpctx->sh_audio)
ao_resume(mpctx->ao);
if (mpctx->video_out && mpctx->sh_video && mpctx->video_out->config_ok)
vo_control(mpctx->video_out, VOCTRL_RESUME, NULL); // resume video
(void)get_relative_time(mpctx); // ignore time that passed during pause
}
static void draw_osd(struct MPContext *mpctx)
{
struct vo *vo = mpctx->video_out;
mpctx->osd->vo_pts = mpctx->video_pts;
vo_draw_osd(vo, mpctx->osd);
}
static bool redraw_osd(struct MPContext *mpctx)
{
struct vo *vo = mpctx->video_out;
if (vo_redraw_frame(vo) < 0)
return false;
draw_osd(mpctx);
vo_flip_page(vo, 0, -1);
return true;
}
void add_step_frame(struct MPContext *mpctx, int dir)
{
if (dir > 0) {
mpctx->step_frames += 1;
unpause_player(mpctx);
} else if (dir < 0) {
if (!mpctx->backstep_active && !mpctx->hrseek_active) {
mpctx->backstep_active = true;
mpctx->backstep_start_seek_ts = mpctx->vo_pts_history_seek_ts;
pause_player(mpctx);
}
}
}
static void seek_reset(struct MPContext *mpctx, bool reset_ao, bool reset_ac)
{
if (mpctx->sh_video) {
resync_video_stream(mpctx->sh_video);
vo_seek_reset(mpctx->video_out);
if (mpctx->sh_video->vf_initialized == 1)
vf_chain_seek_reset(mpctx->sh_video->vfilter);
mpctx->sh_video->num_buffered_pts = 0;
mpctx->sh_video->last_pts = MP_NOPTS_VALUE;
mpctx->delay = 0;
mpctx->time_frame = 0;
// Not all demuxers set d_video->pts during seek, so this value
// (which was used by at least vobsub code below) may be completely
// wrong (probably 0).
mpctx->sh_video->pts = mpctx->sh_video->ds->pts + mpctx->video_offset;
mpctx->video_pts = mpctx->sh_video->pts;
}
if (mpctx->sh_audio && reset_ac) {
resync_audio_stream(mpctx->sh_audio);
if (reset_ao)
ao_reset(mpctx->ao);
mpctx->ao->buffer.len = mpctx->ao->buffer_playable_size;
mpctx->sh_audio->a_buffer_len = 0;
}
reset_subtitles(mpctx);
mpctx->restart_playback = true;
mpctx->hrseek_active = false;
mpctx->hrseek_framedrop = false;
mpctx->total_avsync_change = 0;
mpctx->drop_frame_cnt = 0;
mpctx->dropped_frames = 0;
mpctx->playback_pts = MP_NOPTS_VALUE;
#ifdef CONFIG_ENCODING
encode_lavc_discontinuity(mpctx->encode_lavc_ctx);
#endif
}
static bool timeline_set_part(struct MPContext *mpctx, int i, bool force)
{
struct timeline_part *p = mpctx->timeline + mpctx->timeline_part;
struct timeline_part *n = mpctx->timeline + i;
mpctx->timeline_part = i;
mpctx->video_offset = n->start - n->source_start;
if (n->source == p->source && !force)
return false;
enum stop_play_reason orig_stop_play = mpctx->stop_play;
if (!mpctx->sh_video && mpctx->stop_play == KEEP_PLAYING)
mpctx->stop_play = AT_END_OF_FILE; // let audio uninit drain data
uninit_player(mpctx, INITIALIZED_VCODEC | (mpctx->opts.fixed_vo ? 0 : INITIALIZED_VO) | (mpctx->opts.gapless_audio ? 0 : INITIALIZED_AO) | INITIALIZED_VOL | INITIALIZED_ACODEC | INITIALIZED_SUB);
mpctx->stop_play = orig_stop_play;
mpctx->demuxer = n->source;
mpctx->stream = mpctx->demuxer->stream;
// While another timeline was active, the selection of active tracks might
// have been changed - possibly we need to update this source.
for (int n = 0; n < mpctx->num_tracks; n++) {
struct track *track = mpctx->tracks[n];
if (track->under_timeline) {
track->demuxer = mpctx->demuxer;
track->stream = demuxer_stream_by_demuxer_id(track->demuxer,
track->type,
track->demuxer_id);
}
}
preselect_demux_streams(mpctx);
return true;
}
// Given pts, switch playback to the corresponding part.
// Return offset within that part.
static double timeline_set_from_time(struct MPContext *mpctx, double pts,
bool *need_reset)
{
if (pts < 0)
pts = 0;
for (int i = 0; i < mpctx->num_timeline_parts; i++) {
struct timeline_part *p = mpctx->timeline + i;
if (pts < (p + 1)->start) {
*need_reset = timeline_set_part(mpctx, i, false);
return pts - p->start + p->source_start;
}
}
return -1;
}
// return -1 if seek failed (non-seekable stream?), 0 otherwise
static int seek(MPContext *mpctx, struct seek_params seek,
bool timeline_fallthrough)
{
struct MPOpts *opts = &mpctx->opts;
uint64_t prev_seek_ts = mpctx->vo_pts_history_seek_ts;
if (!mpctx->demuxer)
return -1;
if (mpctx->stop_play == AT_END_OF_FILE)
mpctx->stop_play = KEEP_PLAYING;
bool hr_seek = mpctx->demuxer->accurate_seek && opts->correct_pts;
hr_seek &= seek.exact >= 0 && seek.type != MPSEEK_FACTOR;
hr_seek &= (opts->hr_seek == 0 && seek.type == MPSEEK_ABSOLUTE) ||
opts->hr_seek > 0 || seek.exact > 0;
if (seek.type == MPSEEK_FACTOR || seek.amount < 0 ||
(seek.type == MPSEEK_ABSOLUTE && seek.amount < mpctx->last_chapter_pts))
mpctx->last_chapter_seek = -2;
if (seek.type == MPSEEK_FACTOR) {
double len = get_time_length(mpctx);
if (len > 0 && !mpctx->demuxer->ts_resets_possible) {
seek.amount = seek.amount * len + get_start_time(mpctx);
seek.type = MPSEEK_ABSOLUTE;
}
}
if ((mpctx->demuxer->accurate_seek || mpctx->timeline)
&& seek.type == MPSEEK_RELATIVE) {
seek.type = MPSEEK_ABSOLUTE;
seek.direction = seek.amount > 0 ? 1 : -1;
seek.amount += get_current_time(mpctx);
}
/* At least the liba52 decoder wants to read from the input stream
* during initialization, so reinit must be done after the demux_seek()
* call that clears possible stream EOF. */
bool need_reset = false;
double demuxer_amount = seek.amount;
if (mpctx->timeline) {
demuxer_amount = timeline_set_from_time(mpctx, seek.amount,
&need_reset);
if (demuxer_amount == -1) {
assert(!need_reset);
mpctx->stop_play = AT_END_OF_FILE;
// Clear audio from current position
if (mpctx->sh_audio && !timeline_fallthrough) {
ao_reset(mpctx->ao);
mpctx->sh_audio->a_buffer_len = 0;
}
return -1;
}
}
if (need_reset) {
reinit_video_chain(mpctx);
reinit_subs(mpctx);
}
int demuxer_style = 0;
switch (seek.type) {
case MPSEEK_FACTOR:
demuxer_style |= SEEK_ABSOLUTE | SEEK_FACTOR;
break;
case MPSEEK_ABSOLUTE:
demuxer_style |= SEEK_ABSOLUTE;
break;
}
if (hr_seek || seek.direction < 0)
demuxer_style |= SEEK_BACKWARD;
else if (seek.direction > 0)
demuxer_style |= SEEK_FORWARD;
if (hr_seek || opts->mkv_subtitle_preroll)
demuxer_style |= SEEK_SUBPREROLL;
if (hr_seek)
demuxer_amount -= opts->hr_seek_demuxer_offset;
int seekresult = demux_seek(mpctx->demuxer, demuxer_amount,
mpctx->audio_delay, demuxer_style);
if (seekresult == 0) {
if (need_reset) {
reinit_audio_chain(mpctx);
seek_reset(mpctx, !timeline_fallthrough, false);
}
return -1;
}
// If audio or demuxer subs come from different files, seek them too:
bool have_external_tracks = false;
for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
struct track *track = mpctx->current_track[type];
have_external_tracks |= track && track->is_external && track->demuxer;
}
if (have_external_tracks) {
double main_new_pos;
if (seek.type == MPSEEK_ABSOLUTE) {
main_new_pos = seek.amount - mpctx->video_offset;
} else {
main_new_pos = get_main_demux_pts(mpctx);
}
for (int type = 0; type < STREAM_TYPE_COUNT; type++) {
struct track *track = mpctx->current_track[type];
if (track && track->is_external && track->demuxer)
demux_seek(track->demuxer, main_new_pos, mpctx->audio_delay,
SEEK_ABSOLUTE);
}
}
if (need_reset)
reinit_audio_chain(mpctx);
/* If we just reinitialized audio it doesn't need to be reset,
* and resetting could lose audio some decoders produce during init. */
seek_reset(mpctx, !timeline_fallthrough, !need_reset);
if (timeline_fallthrough) {
// Important if video reinit happens.
mpctx->vo_pts_history_seek_ts = prev_seek_ts;
} else {
mpctx->vo_pts_history_seek_ts++;
mpctx->backstep_active = false;
}
/* Use the target time as "current position" for further relative
* seeks etc until a new video frame has been decoded */
if (seek.type == MPSEEK_ABSOLUTE) {
mpctx->video_pts = seek.amount;
mpctx->last_seek_pts = seek.amount;
} else
mpctx->last_seek_pts = MP_NOPTS_VALUE;
// The hr_seek==false case is for skipping frames with PTS before the
// current timeline chapter start. It's not really known where the demuxer
// level seek will end up, so the hrseek mechanism is abused to skip all
// frames before chapter start by setting hrseek_pts to the chapter start.
// It does nothing when the seek is inside of the current chapter, and
// seeking past the chapter is handled elsewhere.
if (hr_seek || mpctx->timeline) {
mpctx->hrseek_active = true;
mpctx->hrseek_framedrop = true;
mpctx->hrseek_pts = hr_seek ? seek.amount
: mpctx->timeline[mpctx->timeline_part].start;
}
mpctx->start_timestamp = mp_time_sec();
return 0;
}
void queue_seek(struct MPContext *mpctx, enum seek_type type, double amount,
int exact)
{
struct seek_params *seek = &mpctx->seek;
switch (type) {
case MPSEEK_RELATIVE:
if (seek->type == MPSEEK_FACTOR)
return; // Well... not common enough to bother doing better
seek->amount += amount;
seek->exact = FFMAX(seek->exact, exact);
if (seek->type == MPSEEK_NONE)
seek->exact = exact;
if (seek->type == MPSEEK_ABSOLUTE)
return;
if (seek->amount == 0) {
*seek = (struct seek_params){ 0 };
return;
}
seek->type = MPSEEK_RELATIVE;
return;
case MPSEEK_ABSOLUTE:
case MPSEEK_FACTOR:
*seek = (struct seek_params) {
.type = type,
.amount = amount,
.exact = exact,
};
return;
case MPSEEK_NONE:
*seek = (struct seek_params){ 0 };
return;
}
abort();
}
static void execute_queued_seek(struct MPContext *mpctx)
{
if (mpctx->seek.type) {
seek(mpctx, mpctx->seek, false);
mpctx->seek = (struct seek_params){0};
}
}
double get_time_length(struct MPContext *mpctx)
{
struct demuxer *demuxer = mpctx->demuxer;
if (!demuxer)
return 0;
if (mpctx->timeline)
return mpctx->timeline[mpctx->num_timeline_parts].start;
double len = demuxer_get_time_length(demuxer);
if (len >= 0)
return len;
struct sh_video *sh_video = mpctx->sh_video;
struct sh_audio *sh_audio = mpctx->sh_audio;
if (sh_video && sh_video->i_bps && sh_audio && sh_audio->i_bps)
return (double) (demuxer->movi_end - demuxer->movi_start) /
(sh_video->i_bps + sh_audio->i_bps);
if (sh_video && sh_video->i_bps)
return (double) (demuxer->movi_end - demuxer->movi_start) /
sh_video->i_bps;
if (sh_audio && sh_audio->i_bps)
return (double) (demuxer->movi_end - demuxer->movi_start) /
sh_audio->i_bps;
return 0;
}
/* If there are timestamps from stream level then use those (for example
* DVDs can have consistent times there while the MPEG-level timestamps
* reset). */
double get_current_time(struct MPContext *mpctx)
{
struct demuxer *demuxer = mpctx->demuxer;
if (!demuxer)
return 0;
if (demuxer->stream_pts != MP_NOPTS_VALUE)
return demuxer->stream_pts;
if (mpctx->playback_pts != MP_NOPTS_VALUE)
return mpctx->playback_pts;
if (mpctx->last_seek_pts != MP_NOPTS_VALUE)
return mpctx->last_seek_pts;
return 0;
}
double get_start_time(struct MPContext *mpctx)
{
struct demuxer *demuxer = mpctx->demuxer;
if (!demuxer)
return 0;
return demuxer_get_start_time(demuxer);
}
// Return playback position in 0.0-1.0 ratio, or -1 if unknown.
double get_current_pos_ratio(struct MPContext *mpctx)
{
struct demuxer *demuxer = mpctx->demuxer;
if (!demuxer)
return -1;
double ans = -1;
double start = get_start_time(mpctx);
double len = get_time_length(mpctx);
double pos = get_current_time(mpctx);
if (len > 0 && !demuxer->ts_resets_possible) {
ans = av_clipf((pos - start) / len, 0, 1);
} else {
int len = (demuxer->movi_end - demuxer->movi_start);
int64_t pos = demuxer->filepos > 0 ?
demuxer->filepos : stream_tell(demuxer->stream);
if (len > 0)
ans = av_clipf((double)(pos - demuxer->movi_start) / len, 0, 1);
}
return ans;
}
int get_percent_pos(struct MPContext *mpctx)
{
return av_clip(get_current_pos_ratio(mpctx) * 100, 0, 100);
}
// -2 is no chapters, -1 is before first chapter
int get_current_chapter(struct MPContext *mpctx)
{
double current_pts = get_current_time(mpctx);
if (mpctx->chapters) {
int i;
for (i = 1; i < mpctx->num_chapters; i++)
if (current_pts < mpctx->chapters[i].start)
break;
return FFMAX(mpctx->last_chapter_seek, i - 1);
}
if (mpctx->master_demuxer)
return FFMAX(mpctx->last_chapter_seek,
demuxer_get_current_chapter(mpctx->master_demuxer, current_pts));
return -2;
}
char *chapter_display_name(struct MPContext *mpctx, int chapter)
{
char *name = chapter_name(mpctx, chapter);
char *dname = name;
if (name) {
dname = talloc_asprintf(NULL, "(%d) %s", chapter + 1, name);
} else if (chapter < -1) {
dname = talloc_strdup(NULL, "(unavailable)");
} else {
int chapter_count = get_chapter_count(mpctx);
if (chapter_count <= 0)
dname = talloc_asprintf(NULL, "(%d)", chapter + 1);
else
dname = talloc_asprintf(NULL, "(%d) of %d", chapter + 1,
chapter_count);
}
if (dname != name)
talloc_free(name);
return dname;
}
// returns NULL if chapter name unavailable
char *chapter_name(struct MPContext *mpctx, int chapter)
{
if (mpctx->chapters) {
if (chapter < 0 || chapter >= mpctx->num_chapters)
return NULL;
return talloc_strdup(NULL, mpctx->chapters[chapter].name);
}
if (mpctx->master_demuxer)
return demuxer_chapter_name(mpctx->master_demuxer, chapter);
return NULL;
}
// returns the start of the chapter in seconds (-1 if unavailable)
double chapter_start_time(struct MPContext *mpctx, int chapter)
{
if (mpctx->chapters)
return mpctx->chapters[chapter].start;
if (mpctx->master_demuxer)
return demuxer_chapter_time(mpctx->master_demuxer, chapter);
return -1;
}
int get_chapter_count(struct MPContext *mpctx)
{
if (mpctx->chapters)
return mpctx->num_chapters;
if (mpctx->master_demuxer)
return demuxer_chapter_count(mpctx->master_demuxer);
return 0;
}
// Seek to a given chapter. Tries to queue the seek, but might seek immediately
// in some cases. Returns success, no matter if seek is queued or immediate.
bool mp_seek_chapter(struct MPContext *mpctx, int chapter)
{
int num = get_chapter_count(mpctx);
if (num == 0)
return false;
if (chapter < 0 || chapter >= num)
return false;
mpctx->last_chapter_seek = -2;
double pts;
if (mpctx->chapters) {
pts = mpctx->chapters[chapter].start;
goto do_seek;
} else if (mpctx->master_demuxer) {
int res = demuxer_seek_chapter(mpctx->master_demuxer, chapter, &pts);
if (res >= 0) {
if (pts == -1) {
// for DVD/BD - seek happened via stream layer
seek_reset(mpctx, true, true);
mpctx->seek = (struct seek_params){0};
return true;
}
chapter = res;
goto do_seek;
}
}
return false;
do_seek:
queue_seek(mpctx, MPSEEK_ABSOLUTE, pts, 0);
mpctx->last_chapter_seek = chapter;
mpctx->last_chapter_pts = pts;
return true;
}
static void update_avsync(struct MPContext *mpctx)
{
if (!mpctx->sh_audio || !mpctx->sh_video)
return;
double a_pos = playing_audio_pts(mpctx);
mpctx->last_av_difference = a_pos - mpctx->video_pts - mpctx->audio_delay;
if (mpctx->time_frame > 0)
mpctx->last_av_difference +=
mpctx->time_frame * mpctx->opts.playback_speed;
if (a_pos == MP_NOPTS_VALUE || mpctx->video_pts == MP_NOPTS_VALUE)
mpctx->last_av_difference = MP_NOPTS_VALUE;
if (mpctx->last_av_difference > 0.5 && mpctx->drop_frame_cnt > 50
&& !mpctx->drop_message_shown) {
mp_tmsg(MSGT_AVSYNC, MSGL_WARN, "%s", mp_gtext(av_desync_help_text));
mpctx->drop_message_shown = true;
}
}
static void handle_pause_on_low_cache(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
int cache = mp_get_cache_percent(mpctx);
bool idle = mp_get_cache_idle(mpctx);
if (mpctx->paused && mpctx->paused_for_cache) {
if (cache < 0 || cache >= opts->stream_cache_min_percent || idle) {
mpctx->paused_for_cache = false;
if (!opts->pause)
unpause_player(mpctx);
}
} else {
if (cache >= 0 && cache <= opts->stream_cache_pause && !idle) {
bool prev_paused_user = opts->pause;
pause_player(mpctx);
mpctx->paused_for_cache = true;
opts->pause = prev_paused_user;
}
}
}
static double get_wakeup_period(struct MPContext *mpctx)
{
/* Even if we can immediately wake up in response to most input events,
* there are some timers which are not registered to the event loop
* and need to be checked periodically (like automatic mouse cursor hiding).
* OSD content updates behave similarly. Also some uncommon input devices
* may not have proper FD event support.
*/
double sleeptime = WAKEUP_PERIOD;
#ifndef HAVE_POSIX_SELECT
// No proper file descriptor event handling; keep waking up to poll input
sleeptime = FFMIN(sleeptime, 0.02);
#endif
if (mpctx->video_out)
if (mpctx->video_out->wakeup_period > 0)
sleeptime = FFMIN(sleeptime, mpctx->video_out->wakeup_period);
return sleeptime;
}
static void run_playloop(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
bool full_audio_buffers = false;
bool audio_left = false, video_left = false;
double endpts = get_play_end_pts(mpctx);
bool end_is_chapter = false;
double sleeptime = get_wakeup_period(mpctx);
bool was_restart = mpctx->restart_playback;
bool new_frame_shown = false;
#ifdef CONFIG_ENCODING
if (encode_lavc_didfail(mpctx->encode_lavc_ctx)) {
mpctx->stop_play = PT_QUIT;
return;
}
#endif
// Add tracks that were added by the demuxer later (e.g. MPEG)
if (!mpctx->timeline && mpctx->demuxer)
add_demuxer_tracks(mpctx, mpctx->demuxer);
if (mpctx->timeline) {
double end = mpctx->timeline[mpctx->timeline_part + 1].start;
if (endpts == MP_NOPTS_VALUE || end < endpts) {
endpts = end;
end_is_chapter = true;
}
}
if (opts->chapterrange[1] > 0) {
int cur_chapter = get_current_chapter(mpctx);
if (cur_chapter != -1 && cur_chapter + 1 > opts->chapterrange[1])
mpctx->stop_play = PT_NEXT_ENTRY;
}
if (mpctx->sh_audio && !mpctx->restart_playback && !mpctx->ao->untimed) {
int status = fill_audio_out_buffers(mpctx, endpts);
full_audio_buffers = status >= 0;
// Not at audio stream EOF yet
audio_left = status > -2;
}
double buffered_audio = -1;
while (mpctx->sh_video) { // never loops, for "break;" only
struct vo *vo = mpctx->video_out;
update_fps(mpctx);
video_left = vo->hasframe || vo->frame_loaded;
if (!vo->frame_loaded && (!mpctx->paused || mpctx->restart_playback)) {
double frame_time = update_video(mpctx, endpts);
mp_dbg(MSGT_AVSYNC, MSGL_DBG2, "*** ftime=%5.3f ***\n", frame_time);
if (mpctx->sh_video->vf_initialized < 0) {
mp_tmsg(MSGT_CPLAYER, MSGL_FATAL,
"\nFATAL: Could not initialize video filters (-vf) "
"or video output (-vo).\n");
uninit_player(mpctx, INITIALIZED_VCODEC | INITIALIZED_VO);
cleanup_demux_stream(mpctx, STREAM_VIDEO);
mpctx->current_track[STREAM_VIDEO] = NULL;
if (!mpctx->current_track[STREAM_AUDIO])
mpctx->stop_play = PT_NEXT_ENTRY;
break;
}
video_left = frame_time >= 0;
if (video_left && !mpctx->restart_playback) {
mpctx->time_frame += frame_time / opts->playback_speed;
adjust_sync(mpctx, frame_time);
}
if (!video_left) {
mpctx->delay = 0;
mpctx->last_av_difference = 0;
}
}
if (endpts != MP_NOPTS_VALUE)
video_left &= mpctx->sh_video->pts < endpts;
// ================================================================
vo_check_events(vo);
double mouse_event_ts = mp_input_get_mouse_event_counter(mpctx->input);
if (mpctx->mouse_event_ts != mouse_event_ts) {
mpctx->mouse_event_ts = mouse_event_ts;
if (opts->vo.cursor_autohide_delay > -1) {
vo_control(vo, VOCTRL_SET_CURSOR_VISIBILITY, &(bool){true});
if (opts->vo.cursor_autohide_delay >= 0) {
mpctx->mouse_waiting_hide = 1;
mpctx->mouse_timer =
mp_time_sec() + opts->vo.cursor_autohide_delay / 1000.0;
}
}
}
if (mpctx->mouse_waiting_hide == 1 &&
mp_time_sec() >= mpctx->mouse_timer)
{
vo_control(vo, VOCTRL_SET_CURSOR_VISIBILITY, &(bool){false});
mpctx->mouse_waiting_hide = 2;
}
if (opts->heartbeat_cmd) {
double now = mp_time_sec();
if (now - mpctx->last_heartbeat > opts->heartbeat_interval) {
mpctx->last_heartbeat = now;
system(opts->heartbeat_cmd);
}
}
if (!video_left || (mpctx->paused && !mpctx->restart_playback))
break;
if (!vo->frame_loaded) {
sleeptime = 0;
break;
}
mpctx->time_frame -= get_relative_time(mpctx);
if (full_audio_buffers && !mpctx->restart_playback) {
buffered_audio = ao_get_delay(mpctx->ao);
mp_dbg(MSGT_AVSYNC, MSGL_DBG2, "delay=%f\n", buffered_audio);
if (opts->autosync) {
/* Smooth reported playback position from AO by averaging
* it with the value expected based on previus value and
* time elapsed since then. May help smooth video timing
* with audio output that have inaccurate position reporting.
* This is badly implemented; the behavior of the smoothing
* now undesirably depends on how often this code runs
* (mainly depends on video frame rate). */
float predicted = (mpctx->delay / opts->playback_speed +
mpctx->time_frame);
float difference = buffered_audio - predicted;
buffered_audio = predicted + difference / opts->autosync;
}
mpctx->time_frame = (buffered_audio -
mpctx->delay / opts->playback_speed);
} else {
/* If we're more than 200 ms behind the right playback
* position, don't try to speed up display of following
* frames to catch up; continue with default speed from
* the current frame instead.
* If untimed is set always output frames immediately
* without sleeping.
*/
if (mpctx->time_frame < -0.2 || opts->untimed || vo->untimed)
mpctx->time_frame = 0;
}
double vsleep = mpctx->time_frame - vo->flip_queue_offset;
if (vsleep > 0.050) {
sleeptime = FFMIN(sleeptime, vsleep - 0.040);
break;
}
sleeptime = 0;
//=================== FLIP PAGE (VIDEO BLT): ======================
vo_new_frame_imminent(vo);
struct sh_video *sh_video = mpctx->sh_video;
mpctx->video_pts = sh_video->pts;
mpctx->last_vo_pts = mpctx->video_pts;
mpctx->playback_pts = mpctx->video_pts;
update_subtitles(mpctx, sh_video->pts);
update_osd_msg(mpctx);
draw_osd(mpctx);
mpctx->time_frame -= get_relative_time(mpctx);
mpctx->time_frame -= vo->flip_queue_offset;
if (mpctx->time_frame > 0.001)
mpctx->time_frame = timing_sleep(mpctx, mpctx->time_frame);
mpctx->time_frame += vo->flip_queue_offset;
int64_t t2 = mp_time_us();
/* Playing with playback speed it's possible to get pathological
* cases with mpctx->time_frame negative enough to cause an
* overflow in pts_us calculation, thus the FFMAX. */
double time_frame = FFMAX(mpctx->time_frame, -1);
int64_t pts_us = mpctx->last_time + time_frame * 1e6;
int duration = -1;
double pts2 = vo->next_pts2;
if (pts2 != MP_NOPTS_VALUE && opts->correct_pts &&
!mpctx->restart_playback) {
// expected A/V sync correction is ignored
double diff = (pts2 - mpctx->video_pts);
diff /= opts->playback_speed;
if (mpctx->time_frame < 0)
diff += mpctx->time_frame;
if (diff < 0)
diff = 0;
if (diff > 10)
diff = 10;
duration = diff * 1e6;
}
vo_flip_page(vo, pts_us | 1, duration);
mpctx->last_vo_flip_duration = (mp_time_us() - t2) * 0.000001;
if (vo->driver->flip_page_timed) {
// No need to adjust sync based on flip speed
mpctx->last_vo_flip_duration = 0;
// For print_status - VO call finishing early is OK for sync
mpctx->time_frame -= get_relative_time(mpctx);
}
if (mpctx->restart_playback) {
mpctx->syncing_audio = true;
if (mpctx->sh_audio)
fill_audio_out_buffers(mpctx, endpts);
mpctx->restart_playback = false;
mpctx->time_frame = 0;
get_relative_time(mpctx);
}
update_avsync(mpctx);
print_status(mpctx);
screenshot_flip(mpctx);
new_frame_shown = true;
break;
} // video
if (mpctx->sh_audio && (mpctx->restart_playback ? !video_left :
mpctx->ao->untimed && (mpctx->delay <= 0 ||
!video_left))) {
int status = fill_audio_out_buffers(mpctx, endpts);
full_audio_buffers = status >= 0 && !mpctx->ao->untimed;
// Not at audio stream EOF yet
audio_left = status > -2;
}
if (!video_left)
mpctx->restart_playback = false;
if (mpctx->sh_audio && buffered_audio == -1)
buffered_audio = mpctx->paused ? 0 : ao_get_delay(mpctx->ao);
update_osd_msg(mpctx);
// The cache status is part of the status line. Possibly update it.
if (mpctx->paused && mp_get_cache_percent(mpctx) >= 0)
print_status(mpctx);
if (!video_left && (!mpctx->paused || was_restart)) {
double a_pos = 0;
if (mpctx->sh_audio) {
a_pos = (written_audio_pts(mpctx) -
mpctx->opts.playback_speed * buffered_audio);
}
mpctx->playback_pts = a_pos;
print_status(mpctx);
if (!mpctx->sh_video)
update_subtitles(mpctx, a_pos);
}
/* It's possible for the user to simultaneously switch both audio
* and video streams to "disabled" at runtime. Handle this by waiting
* rather than immediately stopping playback due to EOF.
*
* When all audio has been written to output driver, stay in the
* main loop handling commands until it has been mostly consumed,
* except in the gapless case, where the next file will be started
* while audio from the current one still remains to be played.
*
* We want this check to trigger if we seeked to this position,
* but not if we paused at it with audio possibly still buffered in
* the AO. There's currently no working way to check buffered audio
* inside AO while paused. Thus the "was_restart" check below, which
* should trigger after seek only, when we know there's no audio
* buffered.
*/
if ((mpctx->sh_audio || mpctx->sh_video) && !audio_left && !video_left
&& (opts->gapless_audio || buffered_audio < 0.05)
&& (!mpctx->paused || was_restart)) {
if (end_is_chapter) {
seek(mpctx, (struct seek_params){
.type = MPSEEK_ABSOLUTE,
.amount = mpctx->timeline[mpctx->timeline_part+1].start
}, true);
} else
mpctx->stop_play = AT_END_OF_FILE;
sleeptime = 0;
}
if (!mpctx->stop_play && !mpctx->restart_playback) {
// If no more video is available, one frame means one playloop iteration.
// Otherwise, one frame means one video frame.
if (!video_left)
new_frame_shown = true;
if (opts->playing_msg && !mpctx->playing_msg_shown && new_frame_shown) {
mpctx->playing_msg_shown = true;
char *msg = mp_property_expand_string(mpctx, opts->playing_msg);
mp_msg(MSGT_CPLAYER, MSGL_INFO, "%s\n", msg);
talloc_free(msg);
}
if (mpctx->max_frames >= 0) {
if (new_frame_shown)
mpctx->max_frames--;
if (mpctx->max_frames <= 0)
mpctx->stop_play = PT_NEXT_ENTRY;
}
if (mpctx->step_frames > 0 && !mpctx->paused) {
if (new_frame_shown)
mpctx->step_frames--;
if (mpctx->step_frames == 0)
pause_player(mpctx);
}
}
if (!mpctx->stop_play) {
double audio_sleep = 9;
if (mpctx->sh_audio && !mpctx->paused) {
if (mpctx->ao->untimed) {
if (!video_left)
audio_sleep = 0;
} else if (full_audio_buffers) {
audio_sleep = buffered_audio - 0.050;
// Keep extra safety margin if the buffers are large
if (audio_sleep > 0.100)
audio_sleep = FFMAX(audio_sleep - 0.200, 0.100);
else
audio_sleep = FFMAX(audio_sleep, 0.020);
} else
audio_sleep = 0.020;
}
sleeptime = FFMIN(sleeptime, audio_sleep);
if (sleeptime > 0 && mpctx->sh_video) {
bool want_redraw = vo_get_want_redraw(mpctx->video_out);
if (mpctx->video_out->driver->draw_osd)
want_redraw |= mpctx->osd->want_redraw;
mpctx->osd->want_redraw = false;
if (want_redraw) {
if (redraw_osd(mpctx)) {
sleeptime = 0;
} else if (mpctx->paused && video_left) {
// force redrawing OSD by framestepping
add_step_frame(mpctx, 1);
sleeptime = 0;
}
}
}
if (sleeptime > 0)
mp_input_get_cmd(mpctx->input, sleeptime * 1000, true);
}
//================= Keyboard events, SEEKing ====================
handle_pause_on_low_cache(mpctx);
mp_cmd_t *cmd;
while ((cmd = mp_input_get_cmd(mpctx->input, 0, 1)) != NULL) {
/* Allow running consecutive seek commands to combine them,
* but execute the seek before running other commands.
* If the user seeks continuously (keeps arrow key down)
* try to finish showing a frame from one location before doing
* another seek (which could lead to unchanging display). */
if ((mpctx->seek.type && cmd->id != MP_CMD_SEEK) ||
(mpctx->restart_playback && cmd->id == MP_CMD_SEEK &&
mp_time_sec() - mpctx->start_timestamp < 0.3))
break;
cmd = mp_input_get_cmd(mpctx->input, 0, 0);
run_command(mpctx, cmd);
mp_cmd_free(cmd);
if (mpctx->stop_play)
break;
}
if (mpctx->backstep_active) {
double current_pts = mpctx->last_vo_pts;
mpctx->backstep_active = false;
bool demuxer_ok = mpctx->demuxer && mpctx->demuxer->accurate_seek;
if (demuxer_ok && mpctx->sh_video && current_pts != MP_NOPTS_VALUE) {
double seek_pts = find_previous_pts(mpctx, current_pts);
if (seek_pts != MP_NOPTS_VALUE) {
queue_seek(mpctx, MPSEEK_ABSOLUTE, seek_pts, 1);
} else {
double last = get_last_frame_pts(mpctx);
if (last != MP_NOPTS_VALUE && last >= current_pts &&
mpctx->backstep_start_seek_ts != mpctx->vo_pts_history_seek_ts)
{
mp_msg(MSGT_CPLAYER, MSGL_ERR, "Backstep failed.\n");
queue_seek(mpctx, MPSEEK_ABSOLUTE, current_pts, 1);
} else if (!mpctx->hrseek_active) {
mp_msg(MSGT_CPLAYER, MSGL_V, "Start backstep indexing.\n");
// Force it to index the video up until current_pts.
// The whole point is getting frames _before_ that PTS,
// so apply an arbitrary offset. (In theory the offset
// has to be large enough to reach the previous frame.)
seek(mpctx, (struct seek_params){
.type = MPSEEK_ABSOLUTE,
.amount = current_pts - 1.0,
}, false);
// Don't leave hr-seek mode. If all goes right, hr-seek
// mode is cancelled as soon as the frame before
// current_pts is found during hr-seeking.
// Note that current_pts should be part of the index,
// otherwise we can't find the previous frame, so set the
// seek target an arbitrary amount of time after it.
if (mpctx->hrseek_active) {
mpctx->hrseek_pts = current_pts + 10.0;
mpctx->hrseek_framedrop = false;
mpctx->backstep_active = true;
}
} else {
mpctx->backstep_active = true;
}
}
}
}
// handle -sstep
if (opts->step_sec > 0 && !mpctx->stop_play && !mpctx->paused &&
!mpctx->restart_playback)
{
set_osd_function(mpctx, OSD_FFW);
queue_seek(mpctx, MPSEEK_RELATIVE, opts->step_sec, 0);
}
if (opts->keep_open && mpctx->stop_play == AT_END_OF_FILE) {
mpctx->stop_play = KEEP_PLAYING;
pause_player(mpctx);
if (mpctx->video_out && !mpctx->video_out->hasframe) {
// Force screen refresh to make OSD usable
double seek_to = mpctx->last_vo_pts;
if (seek_to == MP_NOPTS_VALUE)
seek_to = 0; // arbitrary default
queue_seek(mpctx, MPSEEK_ABSOLUTE, seek_to, 1);
}
}
execute_queued_seek(mpctx);
}
static int read_keys(void *ctx, int fd)
{
if (getch2(ctx))
return MP_INPUT_NOTHING;
return MP_INPUT_DEAD;
}
static bool attachment_is_font(struct demux_attachment *att)
{
if (!att->name || !att->type || !att->data || !att->data_size)
return false;
// match against MIME types
if (strcmp(att->type, "application/x-truetype-font") == 0
|| strcmp(att->type, "application/x-font") == 0)
return true;
// fallback: match against file extension
if (strlen(att->name) > 4) {
char *ext = att->name + strlen(att->name) - 4;
if (strcasecmp(ext, ".ttf") == 0 || strcasecmp(ext, ".ttc") == 0
|| strcasecmp(ext, ".otf") == 0)
return true;
}
return false;
}
// Result numerically higher => better match. 0 == no match.
static int match_lang(char **langs, char *lang)
{
for (int idx = 0; langs && langs[idx]; idx++) {
if (lang && strcmp(langs[idx], lang) == 0)
return INT_MAX - idx;
}
return 0;
}
/* Get the track wanted by the user.
* tid is the track ID requested by the user (-2: deselect, -1: default)
* lang is a string list, NULL is same as empty list
* Sort tracks based on the following criteria, and pick the first:
* 0) track matches tid (always wins)
* 1) track is external
* 1b) track was passed explicitly (is not an auto-loaded subtitle)
* 2) earlier match in lang list
* 3) track is marked default
* 4) lower track number
* If select_fallback is not set, 4) is only used to determine whether a
* matching track is preferred over another track. Otherwise, always pick a
* track (if nothing else matches, return the track with lowest ID).
*/
// Return whether t1 is preferred over t2
static bool compare_track(struct track *t1, struct track *t2, char **langs)
{
if (t1->is_external != t2->is_external)
return t1->is_external;
if (t1->auto_loaded != t2->auto_loaded)
return !t1->auto_loaded;
int l1 = match_lang(langs, t1->lang), l2 = match_lang(langs, t2->lang);
if (l1 != l2)
return l1 > l2;
if (t1->default_track != t2->default_track)
return t1->default_track;
if (t1->attached_picture != t2->attached_picture)
return !t1->attached_picture;
return t1->user_tid <= t2->user_tid;
}
static struct track *select_track(struct MPContext *mpctx,
enum stream_type type, int tid, char **langs)
{
if (tid == -2)
return NULL;
bool select_fallback = type == STREAM_VIDEO || type == STREAM_AUDIO;
struct track *pick = NULL;
for (int n = 0; n < mpctx->num_tracks; n++) {
struct track *track = mpctx->tracks[n];
if (track->type != type)
continue;
if (track->user_tid == tid)
return track;
if (!pick || compare_track(track, pick, langs))
pick = track;
}
if (pick && !select_fallback && !pick->is_external
&& !match_lang(langs, pick->lang) && !pick->default_track)
pick = NULL;
if (pick && pick->attached_picture && !mpctx->opts.audio_display)
pick = NULL;
return pick;
}
// Normally, video/audio/sub track selection is persistent across files. This
// code resets track selection if the new file has a different track layout.
static void check_previous_track_selection(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
if (!mpctx->track_layout_hash)
return;
char *h = track_layout_hash(mpctx);
if (strcmp(h, mpctx->track_layout_hash) != 0) {
// Reset selection, but only if they're not "auto" or "off".
if (opts->video_id >= 0)
mpctx->opts.video_id = -1;
if (opts->audio_id >= 0)
mpctx->opts.audio_id = -1;
if (opts->sub_id >= 0)
mpctx->opts.sub_id = -1;
talloc_free(mpctx->track_layout_hash);
mpctx->track_layout_hash = NULL;
}
talloc_free(h);
}
static void init_input(struct MPContext *mpctx)
{
mpctx->input = mp_input_init(&mpctx->opts.input, mpctx->opts.load_config);
mpctx->key_fifo = mp_fifo_create(mpctx->input, &mpctx->opts);
if (mpctx->opts.slave_mode)
mp_input_add_cmd_fd(mpctx->input, 0, USE_FD0_CMD_SELECT, MP_INPUT_SLAVE_CMD_FUNC, NULL);
else if (mpctx->opts.consolecontrols)
mp_input_add_key_fd(mpctx->input, 0, 1, read_keys, NULL, mpctx->key_fifo);
// Set the libstream interrupt callback
stream_set_interrupt_callback(mp_input_check_interrupt, mpctx->input);
#ifdef CONFIG_COCOA
cocoa_set_input_context(mpctx->input);
cocoa_set_key_fifo(mpctx->key_fifo);
#endif
}
static void open_subtitles_from_options(struct MPContext *mpctx)
{
// after reading video params we should load subtitles because
// we know fps so now we can adjust subtitle time to ~6 seconds AST
// check .sub
if (mpctx->opts.sub_name) {
for (int i = 0; mpctx->opts.sub_name[i] != NULL; ++i)
mp_add_subtitles(mpctx, mpctx->opts.sub_name[i], 0);
}
if (mpctx->opts.sub_auto) { // auto load sub file ...
char **tmp = find_text_subtitles(&mpctx->opts, mpctx->filename);
int nsub = MP_TALLOC_ELEMS(tmp);
for (int i = 0; i < nsub; i++) {
struct track *track = mp_add_subtitles(mpctx, tmp[i], 1);
if (track)
track->auto_loaded = true;
}
talloc_free(tmp);
}
}
static struct track *open_external_file(struct MPContext *mpctx, char *filename,
char *demuxer_name, int stream_cache,
enum stream_type filter)
{
struct MPOpts *opts = &mpctx->opts;
if (!filename)
return NULL;
int format = 0;
struct stream *stream = open_stream(filename, &mpctx->opts, &format);
if (!stream)
goto err_out;
stream_enable_cache_percent(&stream, stream_cache,
opts->stream_cache_min_percent,
opts->stream_cache_seek_min_percent);
// deal with broken demuxers: preselect streams
int vs = -2, as = -2, ss = -2;
switch (filter) {
case STREAM_VIDEO: vs = -1; break;
case STREAM_AUDIO: as = -1; break;
case STREAM_SUB: ss = -1; break;
}
vs = -1; // avi can't go without video
struct demuxer_params params = {
.ass_library = mpctx->ass_library, // demux_libass requires it
};
struct demuxer *demuxer =
demux_open_withparams(&mpctx->opts, stream, format, demuxer_name,
as, vs, ss, filename, &params);
if (!demuxer) {
free_stream(stream);
goto err_out;
}
struct track *first = NULL;
for (int n = 0; n < demuxer->num_streams; n++) {
struct sh_stream *stream = demuxer->streams[n];
if (stream->type == filter) {
struct track *t = add_stream_track(mpctx, stream, false);
t->is_external = true;
t->title = talloc_strdup(t, filename);
t->external_filename = talloc_strdup(t, filename);
first = t;
}
}
if (!first) {
free_demuxer(demuxer);
mp_msg(MSGT_CPLAYER, MSGL_WARN, "No streams added from file %s.\n",
filename);
goto err_out;
}
MP_TARRAY_APPEND(NULL, mpctx->sources, mpctx->num_sources, demuxer);
return first;
err_out:
mp_msg(MSGT_CPLAYER, MSGL_ERR, "Can not open external file %s.\n",
filename);
return false;
}
static void open_audiofiles_from_options(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
open_external_file(mpctx, opts->audio_stream, opts->audio_demuxer_name,
opts->audio_stream_cache, STREAM_AUDIO);
}
struct track *mp_add_subtitles(struct MPContext *mpctx, char *filename, int noerr)
{
struct MPOpts *opts = &mpctx->opts;
return open_external_file(mpctx, filename, opts->sub_demuxer_name, 0,
STREAM_SUB);
}
static void print_timeline(struct MPContext *mpctx)
{
if (mpctx->timeline) {
int part_count = mpctx->num_timeline_parts;
mp_msg(MSGT_CPLAYER, MSGL_V, "Timeline contains %d parts from %d "
"sources. Total length %.3f seconds.\n", part_count,
mpctx->num_sources, mpctx->timeline[part_count].start);
mp_msg(MSGT_CPLAYER, MSGL_V, "Source files:\n");
for (int i = 0; i < mpctx->num_sources; i++)
mp_msg(MSGT_CPLAYER, MSGL_V, "%d: %s\n", i,
mpctx->sources[i]->filename);
mp_msg(MSGT_CPLAYER, MSGL_V, "Timeline parts: (number, start, "
"source_start, source):\n");
for (int i = 0; i < part_count; i++) {
struct timeline_part *p = mpctx->timeline + i;
mp_msg(MSGT_CPLAYER, MSGL_V, "%3d %9.3f %9.3f %p/%s\n", i, p->start,
p->source_start, p->source, p->source->filename);
}
mp_msg(MSGT_CPLAYER, MSGL_V, "END %9.3f\n",
mpctx->timeline[part_count].start);
}
}
static void add_subtitle_fonts_from_sources(struct MPContext *mpctx)
{
#ifdef CONFIG_ASS
if (mpctx->opts.ass_enabled) {
for (int j = 0; j < mpctx->num_sources; j++) {
struct demuxer *d = mpctx->sources[j];
for (int i = 0; i < d->num_attachments; i++) {
struct demux_attachment *att = d->attachments + i;
if (mpctx->opts.use_embedded_fonts && attachment_is_font(att))
ass_add_font(mpctx->ass_library, att->name, att->data,
att->data_size);
}
}
}
// libass seems to misbehave if fonts are changed while a renderer
// exists, so we (re)create the renderer after fonts are set.
assert(!mpctx->osd->ass_renderer);
mpctx->osd->ass_renderer = ass_renderer_init(mpctx->osd->ass_library);
if (mpctx->osd->ass_renderer)
mp_ass_configure_fonts(mpctx->osd->ass_renderer,
mpctx->opts.sub_text_style);
#endif
}
static struct mp_resolve_result *resolve_url(const char *filename,
struct MPOpts *opts)
{
#ifdef CONFIG_LIBQUVI
return mp_resolve_quvi(filename, opts);
#else
return NULL;
#endif
}
// Waiting for the slave master to send us a new file to play.
static void idle_loop(struct MPContext *mpctx)
{
// ================= idle loop (STOP state) =========================
while (mpctx->opts.player_idle_mode && !mpctx->playlist->current
&& mpctx->stop_play != PT_QUIT)
{
uninit_player(mpctx, INITIALIZED_AO | INITIALIZED_VO);
mp_cmd_t *cmd;
while (!(cmd = mp_input_get_cmd(mpctx->input,
get_wakeup_period(mpctx) * 1000,
false)));
run_command(mpctx, cmd);
mp_cmd_free(cmd);
}
}
static void stream_dump(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
char *filename = opts->stream_dump;
stream_t *stream = mpctx->stream;
assert(stream && filename);
stream_set_capture_file(stream, filename);
while (mpctx->stop_play == KEEP_PLAYING && !stream->eof) {
if (!opts->quiet && ((stream->pos / (1024 * 1024)) % 2) == 1) {
uint64_t pos = stream->pos - stream->start_pos;
uint64_t end = stream->end_pos - stream->start_pos;
char *line = talloc_asprintf(NULL, "Dumping %lld/%lld...",
(long long int)pos, (long long int)end);
write_status_line(mpctx, line);
talloc_free(line);
}
stream_fill_buffer(stream);
for (;;) {
mp_cmd_t *cmd = mp_input_get_cmd(mpctx->input, 0, false);
if (!cmd)
break;
run_command(mpctx, cmd);
talloc_free(cmd);
}
}
}
// Start playing the current playlist entry.
// Handle initialization and deinitialization.
static void play_current_file(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
mpctx->stop_play = 0;
mpctx->filename = NULL;
if (mpctx->playlist->current)
mpctx->filename = mpctx->playlist->current->filename;
if (!mpctx->filename)
goto terminate_playback;
#ifdef CONFIG_ENCODING
encode_lavc_discontinuity(mpctx->encode_lavc_ctx);
#endif
mpctx->add_osd_seek_info &= OSD_SEEK_INFO_EDITION;
m_config_enter_file_local(mpctx->mconfig);
load_per_protocol_config(mpctx->mconfig, mpctx->filename);
load_per_extension_config(mpctx->mconfig, mpctx->filename);
load_per_file_config(mpctx->mconfig, mpctx->filename, opts->use_filedir_conf);
if (opts->vo.video_driver_list)
load_per_output_config(mpctx->mconfig, PROFILE_CFG_VO,
opts->vo.video_driver_list[0]);
if (opts->audio_driver_list)
load_per_output_config(mpctx->mconfig, PROFILE_CFG_AO,
opts->audio_driver_list[0]);
if (opts->position_resume)
load_playback_resume(mpctx->mconfig, mpctx->filename);
load_per_file_options(mpctx->mconfig, mpctx->playlist->current->params,
mpctx->playlist->current->num_params);
if (opts->reset_options) {
for (int n = 0; opts->reset_options[n]; n++) {
const char *opt = opts->reset_options[n];
if (strcmp(opt, "all") == 0) {
m_config_mark_all_file_local(mpctx->mconfig);
} else {
m_config_mark_file_local(mpctx->mconfig, opt);
}
}
}
// We must enable getch2 here to be able to interrupt network connection
// or cache filling
if (opts->consolecontrols && !opts->slave_mode) {
if (mpctx->initialized_flags & INITIALIZED_GETCH2)
mp_tmsg(MSGT_CPLAYER, MSGL_WARN,
"WARNING: getch2_init called twice!\n");
else
getch2_enable(); // prepare stdin for hotkeys...
mpctx->initialized_flags |= INITIALIZED_GETCH2;
mp_msg(MSGT_CPLAYER, MSGL_DBG2, "\n[[[init getch2]]]\n");
}
#ifdef CONFIG_ASS
if (opts->ass_style_override)
ass_set_style_overrides(mpctx->ass_library, opts->ass_force_style_list);
#endif
mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Playing %s.\n", mpctx->filename);
//============ Open & Sync STREAM --- fork cache2 ====================
assert(mpctx->stream == NULL);
assert(mpctx->demuxer == NULL);
assert(mpctx->sh_audio == NULL);
assert(mpctx->sh_video == NULL);
assert(mpctx->sh_sub == NULL);
char *stream_filename = mpctx->filename;
mpctx->resolve_result = resolve_url(stream_filename, opts);
if (mpctx->resolve_result)
stream_filename = mpctx->resolve_result->url;
int file_format = DEMUXER_TYPE_UNKNOWN;
mpctx->stream = open_stream(stream_filename, opts, &file_format);
if (!mpctx->stream) { // error...
demux_was_interrupted(mpctx);
goto terminate_playback;
}
mpctx->initialized_flags |= INITIALIZED_STREAM;
if (file_format == DEMUXER_TYPE_PLAYLIST) {
mp_msg(MSGT_CPLAYER, MSGL_ERR, "\nThis looks like a playlist, but "
"playlist support will not be used automatically.\n"
"mpv's playlist code is unsafe and should only be used with "
"trusted sources.\nPlayback will probably fail.\n\n");
#if 0
// Handle playlist
mp_msg(MSGT_CPLAYER, MSGL_WARN, "Parsing playlist %s...\n",
mpctx->filename);
bool empty = true;
struct playlist *pl = playlist_parse(mpctx->stream);
if (pl) {
empty = pl->first == NULL;
playlist_transfer_entries(mpctx->playlist, pl);
talloc_free(pl);
}
if (empty)
mp_msg(MSGT_CPLAYER, MSGL_ERR, "Playlist was invalid or empty!\n");
mpctx->stop_play = PT_NEXT_ENTRY;
goto terminate_playback;
#endif
}
mpctx->stream->start_pos += opts->seek_to_byte;
if (opts->stream_dump && opts->stream_dump[0]) {
stream_dump(mpctx);
goto terminate_playback;
}
// CACHE2: initial prefill: 20% later: 5% (should be set by -cacheopts)
int res = stream_enable_cache_percent(&mpctx->stream,
opts->stream_cache_size,
opts->stream_cache_min_percent,
opts->stream_cache_seek_min_percent);
if (res == 0)
if (demux_was_interrupted(mpctx))
goto terminate_playback;
stream_set_capture_file(mpctx->stream, opts->stream_capture);
#ifdef CONFIG_DVBIN
goto_reopen_demuxer: ;
#endif
//============ Open DEMUXERS --- DETECT file type =======================
mpctx->audio_delay = opts->audio_delay;
mpctx->demuxer = demux_open(opts, mpctx->stream, file_format,
opts->audio_id, opts->video_id, opts->sub_id,
mpctx->filename);
mpctx->master_demuxer = mpctx->demuxer;
if (!mpctx->demuxer) {
mp_tmsg(MSGT_CPLAYER, MSGL_ERR, "Failed to recognize file format.\n");
goto terminate_playback;
}
if (mpctx->demuxer->matroska_data.ordered_chapters)
build_ordered_chapter_timeline(mpctx);
if (mpctx->demuxer->type == DEMUXER_TYPE_EDL)
build_edl_timeline(mpctx);
if (mpctx->demuxer->type == DEMUXER_TYPE_CUE)
build_cue_timeline(mpctx);
print_timeline(mpctx);
if (!mpctx->num_sources) {
MP_TARRAY_APPEND(NULL, mpctx->sources, mpctx->num_sources,
mpctx->demuxer);
}
if (mpctx->timeline) {
// With Matroska, the "master" file usually dictates track layout etc.
// On the contrary, the EDL and CUE demuxers are empty wrappers, as
// well as Matroska ordered chapter playlist-like files.
for (int n = 0; n < mpctx->num_timeline_parts; n++) {
if (mpctx->timeline[n].source == mpctx->demuxer)
goto main_is_ok;
}
mpctx->demuxer = mpctx->timeline[0].source;
main_is_ok: ;
}
add_dvd_tracks(mpctx);
add_demuxer_tracks(mpctx, mpctx->demuxer);
mpctx->timeline_part = 0;
if (mpctx->timeline)
timeline_set_part(mpctx, mpctx->timeline_part, true);
// Decide correct-pts mode based on first segment of video track
opts->correct_pts = opts->user_correct_pts;
if (opts->correct_pts < 0) {
opts->correct_pts =
demux_control(mpctx->demuxer, DEMUXER_CTRL_CORRECT_PTS,
NULL) == DEMUXER_CTRL_OK;
}
mpctx->initialized_flags |= INITIALIZED_DEMUXER;
add_subtitle_fonts_from_sources(mpctx);
open_subtitles_from_options(mpctx);
open_audiofiles_from_options(mpctx);
check_previous_track_selection(mpctx);
mpctx->current_track[STREAM_VIDEO] =
select_track(mpctx, STREAM_VIDEO, mpctx->opts.video_id, NULL);
mpctx->current_track[STREAM_AUDIO] =
select_track(mpctx, STREAM_AUDIO, mpctx->opts.audio_id,
mpctx->opts.audio_lang);
mpctx->current_track[STREAM_SUB] =
select_track(mpctx, STREAM_SUB, mpctx->opts.sub_id,
mpctx->opts.sub_lang);
demux_info_print(mpctx->master_demuxer);
print_file_properties(mpctx, mpctx->filename);
preselect_demux_streams(mpctx);
#ifdef CONFIG_ENCODING
if (mpctx->encode_lavc_ctx && mpctx->current_track[STREAM_VIDEO])
encode_lavc_expect_stream(mpctx->encode_lavc_ctx, AVMEDIA_TYPE_VIDEO);
if (mpctx->encode_lavc_ctx && mpctx->current_track[STREAM_AUDIO])
encode_lavc_expect_stream(mpctx->encode_lavc_ctx, AVMEDIA_TYPE_AUDIO);
#endif
reinit_video_chain(mpctx);
reinit_audio_chain(mpctx);
reinit_subs(mpctx);
//================ SETUP STREAMS ==========================
if (mpctx->sh_video) {
if (!opts->ignore_start)
mpctx->audio_delay += mpctx->sh_video->stream_delay;
}
if (mpctx->sh_audio) {
if (!opts->ignore_start)
mpctx->audio_delay -= mpctx->sh_audio->stream_delay;
}
if (opts->force_fps && mpctx->sh_video) {
mpctx->sh_video->fps = opts->force_fps;
mpctx->sh_video->frametime = 1.0f / mpctx->sh_video->fps;
mp_tmsg(MSGT_CPLAYER, MSGL_INFO,
"FPS forced to be %5.3f (ftime: %5.3f).\n",
mpctx->sh_video->fps, mpctx->sh_video->frametime);
}
mp_input_set_section(mpctx->input, NULL, 0);
//TODO: add desired (stream-based) sections here
if (mpctx->master_demuxer->type == DEMUXER_TYPE_TV)
mp_input_set_section(mpctx->input, "tv", 0);
if (mpctx->encode_lavc_ctx)
mp_input_set_section(mpctx->input, "encode", MP_INPUT_NO_DEFAULT_SECTION);
//==================== START PLAYING =======================
if (!mpctx->sh_video && !mpctx->sh_audio) {
mp_tmsg(MSGT_CPLAYER, MSGL_FATAL,
"No video or audio streams selected.\n");
#ifdef CONFIG_DVBIN
if (mpctx->stream->type == STREAMTYPE_DVB) {
int dir;
int v = mpctx->last_dvb_step;
if (v > 0)
dir = DVB_CHANNEL_HIGHER;
else
dir = DVB_CHANNEL_LOWER;
if (dvb_step_channel(mpctx->stream, dir)) {
mpctx->stop_play = PT_NEXT_ENTRY;
mpctx->dvbin_reopen = 1;
}
}
#endif
goto terminate_playback;
}
mp_tmsg(MSGT_CPLAYER, MSGL_V, "Starting playback...\n");
mpctx->drop_frame_cnt = 0;
mpctx->dropped_frames = 0;
mpctx->max_frames = opts->play_frames;
if (mpctx->max_frames == 0) {
mpctx->stop_play = PT_NEXT_ENTRY;
goto terminate_playback;
}
mpctx->time_frame = 0;
mpctx->drop_message_shown = 0;
mpctx->restart_playback = true;
mpctx->video_pts = 0;
mpctx->last_vo_pts = MP_NOPTS_VALUE;
mpctx->last_seek_pts = 0;
mpctx->playback_pts = MP_NOPTS_VALUE;
mpctx->hrseek_active = false;
mpctx->hrseek_framedrop = false;
mpctx->step_frames = 0;
mpctx->backstep_active = false;
mpctx->total_avsync_change = 0;
mpctx->last_chapter_seek = -2;
mpctx->playing_msg_shown = false;
mpctx->paused = false;
mpctx->paused_for_cache = false;
mpctx->seek = (struct seek_params){ 0 };
// If there's a timeline force an absolute seek to initialize state
double startpos = rel_time_to_abs(mpctx, opts->play_start, -1);
if (startpos != -1 || mpctx->timeline) {
queue_seek(mpctx, MPSEEK_ABSOLUTE, startpos, 0);
execute_queued_seek(mpctx);
}
if (opts->chapterrange[0] > 0) {
if (mp_seek_chapter(mpctx, opts->chapterrange[0] - 1))
execute_queued_seek(mpctx);
}
get_relative_time(mpctx); // reset current delta
if (mpctx->opts.pause)
pause_player(mpctx);
while (!mpctx->stop_play)
run_playloop(mpctx);
mp_msg(MSGT_GLOBAL, MSGL_V, "EOF code: %d \n", mpctx->stop_play);
#ifdef CONFIG_DVBIN
if (mpctx->dvbin_reopen) {
mpctx->stop_play = 0;
uninit_player(mpctx, INITIALIZED_ALL - (INITIALIZED_STREAM | INITIALIZED_GETCH2 | (opts->fixed_vo ? INITIALIZED_VO : 0)));
mpctx->dvbin_reopen = 0;
goto goto_reopen_demuxer;
}
#endif
terminate_playback: // don't jump here after ao/vo/getch initialization!
if (opts->position_save_on_quit && mpctx->stop_play != PT_RESTART)
mp_write_watch_later_conf(mpctx);
if (mpctx->step_frames)
opts->pause = 1;
mp_msg(MSGT_CPLAYER, MSGL_INFO, "\n");
// time to uninit all, except global stuff:
int uninitialize_parts = INITIALIZED_ALL;
if (opts->fixed_vo)
uninitialize_parts -= INITIALIZED_VO;
if ((opts->gapless_audio && mpctx->stop_play == AT_END_OF_FILE) ||
mpctx->encode_lavc_ctx)
uninitialize_parts -= INITIALIZED_AO;
uninit_player(mpctx, uninitialize_parts);
// xxx handle this as INITIALIZED_CONFIG?
m_config_leave_file_local(mpctx->mconfig);
mpctx->filename = NULL;
talloc_free(mpctx->resolve_result);
mpctx->resolve_result = NULL;
#ifdef CONFIG_ASS
if (mpctx->osd->ass_renderer)
ass_renderer_done(mpctx->osd->ass_renderer);
mpctx->osd->ass_renderer = NULL;
ass_clear_fonts(mpctx->ass_library);
#endif
}
// Determine the next file to play. Note that if this function returns non-NULL,
// it can have side-effects and mutate mpctx.
struct playlist_entry *mp_next_file(struct MPContext *mpctx, int direction)
{
struct playlist_entry *next = playlist_get_next(mpctx->playlist, direction);
if (!next && mpctx->opts.loop_times >= 0) {
if (direction > 0) {
next = mpctx->playlist->first;
if (next && mpctx->opts.loop_times > 0) {
mpctx->opts.loop_times--;
if (mpctx->opts.loop_times == 0)
mpctx->opts.loop_times = -1;
}
} else {
next = mpctx->playlist->last;
}
}
return next;
}
// Play all entries on the playlist, starting from the current entry.
// Return if all done.
static void play_files(struct MPContext *mpctx)
{
for (;;) {
idle_loop(mpctx);
if (mpctx->stop_play == PT_QUIT)
break;
play_current_file(mpctx);
if (mpctx->stop_play == PT_QUIT)
break;
if (!mpctx->stop_play || mpctx->stop_play == AT_END_OF_FILE)
mpctx->stop_play = PT_NEXT_ENTRY;
struct playlist_entry *new_entry = NULL;
if (mpctx->stop_play == PT_NEXT_ENTRY) {
new_entry = mp_next_file(mpctx, +1);
} else if (mpctx->stop_play == PT_CURRENT_ENTRY) {
new_entry = mpctx->playlist->current;
} else if (mpctx->stop_play == PT_RESTART) {
// The same as PT_CURRENT_ENTRY, unless we decide that the current
// playlist entry can be removed during playback.
new_entry = mpctx->playlist->current;
} else { // PT_STOP
playlist_clear(mpctx->playlist);
}
mpctx->playlist->current = new_entry;
mpctx->playlist->current_was_replaced = false;
mpctx->stop_play = 0;
if (!mpctx->playlist->current && !mpctx->opts.player_idle_mode)
break;
}
}
void mp_print_version(int always)
{
mp_msg(MSGT_CPLAYER, always ? MSGL_INFO : MSGL_V,
"%s (C) 2000-2013 mpv/MPlayer/mplayer2 projects\n built on %s\n", mplayer_version, mplayer_builddate);
}
static bool handle_help_options(struct MPContext *mpctx)
{
struct MPOpts *opts = &mpctx->opts;
int opt_exit = 0;
if (opts->vo.video_driver_list &&
strcmp(opts->vo.video_driver_list[0], "help") == 0) {
list_video_out();
opt_exit = 1;
}
if (opts->audio_driver_list &&
strcmp(opts->audio_driver_list[0], "help") == 0) {
list_audio_out();
opt_exit = 1;
}
if (opts->audio_decoders && strcmp(opts->audio_decoders, "help") == 0) {
struct mp_decoder_list *list = mp_audio_decoder_list();
mp_print_decoders(MSGT_CPLAYER, MSGL_INFO, "Audio decoders:", list);
talloc_free(list);
opt_exit = 1;
}
if (opts->video_decoders && strcmp(opts->video_decoders, "help") == 0) {
struct mp_decoder_list *list = mp_video_decoder_list();
mp_print_decoders(MSGT_CPLAYER, MSGL_INFO, "Video decoders:", list);
talloc_free(list);
opt_exit = 1;
}
if (af_cfg.list && strcmp(af_cfg.list[0], "help") == 0) {
af_help();
mp_msg(MSGT_CPLAYER, MSGL_INFO, "\n");
opt_exit = 1;
}
#ifdef CONFIG_X11
if (opts->vo.fstype_list && strcmp(opts->vo.fstype_list[0], "help") == 0) {
fstype_help();
mp_msg(MSGT_FIXME, MSGL_FIXME, "\n");
opt_exit = 1;
}
#endif
if ((opts->demuxer_name && strcmp(opts->demuxer_name, "help") == 0) ||
(opts->audio_demuxer_name && strcmp(opts->audio_demuxer_name, "help") == 0) ||
(opts->sub_demuxer_name && strcmp(opts->sub_demuxer_name, "help") == 0)) {
demuxer_help();
mp_msg(MSGT_CPLAYER, MSGL_INFO, "\n");
opt_exit = 1;
}
if (opts->list_properties) {
property_print_help();
opt_exit = 1;
}
#ifdef CONFIG_ENCODING
if (encode_lavc_showhelp(&mpctx->opts))
opt_exit = 1;
#endif
return opt_exit;
}
#ifdef PTW32_STATIC_LIB
static void detach_ptw32(void)
{
pthread_win32_thread_detach_np();
pthread_win32_process_detach_np();
}
#endif
static void osdep_preinit(int *p_argc, char ***p_argv)
{
char *enable_talloc = getenv("MPV_LEAK_REPORT");
if (*p_argc > 1 && (strcmp((*p_argv)[1], "-leak-report") == 0 ||
strcmp((*p_argv)[1], "--leak-report") == 0))
enable_talloc = "1";
if (enable_talloc && strcmp(enable_talloc, "1") == 0)
talloc_enable_leak_report();
GetCpuCaps(&gCpuCaps);
#ifdef __MINGW32__
mp_get_converted_argv(p_argc, p_argv);
#endif
#ifdef PTW32_STATIC_LIB
pthread_win32_process_attach_np();
pthread_win32_thread_attach_np();
atexit(detach_ptw32);
#endif
#if defined(__MINGW32__) || defined(__CYGWIN__)
// stop Windows from showing all kinds of annoying error dialogs
SetErrorMode(0x8003);
#endif
#ifdef HAVE_TERMCAP
load_termcap(NULL); // load key-codes
#endif
mp_time_init();
}
/* This preprocessor directive is a hack to generate a mplayer-nomain.o object
* file for some tools to link against. */
#ifndef DISABLE_MAIN
static int mpv_main(int argc, char *argv[])
{
osdep_preinit(&argc, &argv);
if (argc >= 1) {
argc--;
argv++;
}
struct MPContext *mpctx = talloc(NULL, MPContext);
*mpctx = (struct MPContext){
.opts = mp_default_opts,
.last_dvb_step = 1,
.terminal_osd_text = talloc_strdup(mpctx, ""),
.playlist = talloc_struct(mpctx, struct playlist, {0}),
};
mp_msg_init();
init_libav();
screenshot_init(mpctx);
struct MPOpts *opts = &mpctx->opts;
// Create the config context and register the options
mpctx->mconfig = m_config_new(opts, cfg_include);
m_config_register_options(mpctx->mconfig, mp_opts);
mp_input_register_options(mpctx->mconfig);
// Preparse the command line
m_config_preparse_command_line(mpctx->mconfig, argc, argv);
mp_print_version(false);
print_libav_versions();
if (!parse_cfgfiles(mpctx, mpctx->mconfig))
exit_player(mpctx, EXIT_ERROR, 1);
int r = m_config_parse_mp_command_line(mpctx->mconfig, mpctx->playlist,
argc, argv);
if (r < 0) {
if (r <= M_OPT_EXIT) {
exit_player(mpctx, EXIT_NONE, 0);
} else {
exit_player(mpctx, EXIT_ERROR, 1);
}
}
if (handle_help_options(mpctx))
exit_player(mpctx, EXIT_NONE, 0);
mp_msg(MSGT_CPLAYER, MSGL_V, "Configuration: " CONFIGURATION "\n");
mp_tmsg(MSGT_CPLAYER, MSGL_V, "Command line:");
for (int i = 0; i < argc; i++)
mp_msg(MSGT_CPLAYER, MSGL_V, " '%s'", argv[i]);
mp_msg(MSGT_CPLAYER, MSGL_V, "\n");
if (!mpctx->playlist->first && !opts->player_idle_mode) {
mp_print_version(true);
mp_msg(MSGT_CPLAYER, MSGL_INFO, "%s", mp_gtext(mp_help_text));
exit_player(mpctx, EXIT_NONE, 0);
}
#ifdef CONFIG_PRIORITY
set_priority();
#endif
#ifdef CONFIG_ENCODING
if (opts->encode_output.file) {
mpctx->encode_lavc_ctx = encode_lavc_init(&opts->encode_output);
if(!mpctx->encode_lavc_ctx) {
mp_msg(MSGT_VO, MSGL_INFO, "Encoding initialization failed.");
exit_player(mpctx, EXIT_ERROR, 1);
}
m_config_set_option0(mpctx->mconfig, "vo", "lavc");
m_config_set_option0(mpctx->mconfig, "ao", "lavc");
m_config_set_option0(mpctx->mconfig, "fixed-vo", "yes");
m_config_set_option0(mpctx->mconfig, "gapless-audio", "yes");
}
#endif
#ifdef CONFIG_ASS
mpctx->ass_library = mp_ass_init(opts);
#endif
mpctx->osd = osd_create(opts, mpctx->ass_library);
init_input(mpctx);
mpctx->playlist->current = mpctx->playlist->first;
play_files(mpctx);
exit_player(mpctx, mpctx->stop_play == PT_QUIT ? EXIT_QUIT : EXIT_EOF,
mpctx->quit_player_rc);
return 1;
}
int main(int argc, char *argv[])
{
#ifdef CONFIG_COCOA
return cocoa_main(mpv_main, argc, argv);
#else
return mpv_main(argc, argv);
#endif
}
#endif /* DISABLE_MAIN */
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