mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 16:33:02 +00:00
f13266014f
Until now, the return value was always MPV_FORMAT_NONE. Now a command can actually set it. This will be used in one of the following commits.
1071 lines
34 KiB
C
1071 lines
34 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv 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.
|
|
*
|
|
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <stdbool.h>
|
|
#include <inttypes.h>
|
|
#include <math.h>
|
|
#include <assert.h>
|
|
|
|
#include "config.h"
|
|
#include "talloc.h"
|
|
|
|
#include "common/msg.h"
|
|
#include "options/options.h"
|
|
#include "common/common.h"
|
|
#include "common/encode.h"
|
|
#include "options/m_property.h"
|
|
#include "common/playlist.h"
|
|
#include "input/input.h"
|
|
|
|
#include "misc/dispatch.h"
|
|
#include "osdep/terminal.h"
|
|
#include "osdep/timer.h"
|
|
|
|
#include "audio/mixer.h"
|
|
#include "audio/decode/dec_audio.h"
|
|
#include "audio/filter/af.h"
|
|
#include "audio/out/ao.h"
|
|
#include "demux/demux.h"
|
|
#include "stream/stream.h"
|
|
#include "sub/osd.h"
|
|
#include "video/filter/vf.h"
|
|
#include "video/decode/dec_video.h"
|
|
#include "video/out/vo.h"
|
|
|
|
#include "core.h"
|
|
#include "client.h"
|
|
#include "command.h"
|
|
|
|
// Wait until mp_input_wakeup(mpctx->input) is called, since the last time
|
|
// mp_wait_events() was called. (But see mp_process_input().)
|
|
void mp_wait_events(struct MPContext *mpctx, double sleeptime)
|
|
{
|
|
mp_input_wait(mpctx->input, sleeptime);
|
|
}
|
|
|
|
// Process any queued input, whether it's user input, or requests from client
|
|
// API threads. This also resets the "wakeup" flag used with mp_wait_events().
|
|
void mp_process_input(struct MPContext *mpctx)
|
|
{
|
|
mp_dispatch_queue_process(mpctx->dispatch, 0);
|
|
for (;;) {
|
|
mp_cmd_t *cmd = mp_input_read_cmd(mpctx->input);
|
|
if (!cmd)
|
|
break;
|
|
run_command(mpctx, cmd, NULL);
|
|
mp_cmd_free(cmd);
|
|
mp_dispatch_queue_process(mpctx->dispatch, 0);
|
|
}
|
|
}
|
|
|
|
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)
|
|
goto end;
|
|
mpctx->paused = true;
|
|
mpctx->step_frames = 0;
|
|
mpctx->time_frame -= get_relative_time(mpctx);
|
|
mpctx->osd_function = 0;
|
|
mpctx->osd_force_update = true;
|
|
mpctx->paused_for_cache = false;
|
|
|
|
if (mpctx->ao && mpctx->d_audio)
|
|
ao_pause(mpctx->ao);
|
|
if (mpctx->video_out)
|
|
vo_set_paused(mpctx->video_out, true);
|
|
|
|
end:
|
|
mp_notify(mpctx, mpctx->opts->pause ? MPV_EVENT_PAUSE : MPV_EVENT_UNPAUSE, 0);
|
|
}
|
|
|
|
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)
|
|
goto end;
|
|
// Don't actually unpause while cache is loading.
|
|
if (mpctx->paused_for_cache)
|
|
goto end;
|
|
mpctx->paused = false;
|
|
mpctx->osd_function = 0;
|
|
mpctx->osd_force_update = true;
|
|
|
|
if (mpctx->ao && mpctx->d_audio)
|
|
ao_resume(mpctx->ao);
|
|
if (mpctx->video_out)
|
|
vo_set_paused(mpctx->video_out, false);
|
|
|
|
(void)get_relative_time(mpctx); // ignore time that passed during pause
|
|
|
|
end:
|
|
mp_notify(mpctx, mpctx->opts->pause ? MPV_EVENT_PAUSE : MPV_EVENT_UNPAUSE, 0);
|
|
}
|
|
|
|
void add_step_frame(struct MPContext *mpctx, int dir)
|
|
{
|
|
if (!mpctx->d_video)
|
|
return;
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Clear some playback-related fields on file loading or after seeks.
|
|
void reset_playback_state(struct MPContext *mpctx)
|
|
{
|
|
reset_video_state(mpctx);
|
|
reset_audio_state(mpctx);
|
|
reset_subtitle_state(mpctx);
|
|
|
|
mpctx->hrseek_active = false;
|
|
mpctx->hrseek_framedrop = false;
|
|
mpctx->hrseek_lastframe = false;
|
|
mpctx->playback_pts = MP_NOPTS_VALUE;
|
|
mpctx->last_seek_pts = MP_NOPTS_VALUE;
|
|
mpctx->cache_wait_time = 0;
|
|
mpctx->step_frames = 0;
|
|
mpctx->restart_complete = false;
|
|
|
|
#if HAVE_ENCODING
|
|
encode_lavc_discontinuity(mpctx->encode_lavc_ctx);
|
|
#endif
|
|
}
|
|
|
|
// return -1 if seek failed (non-seekable stream?), 0 otherwise
|
|
static int mp_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;
|
|
int prev_step = mpctx->step_frames;
|
|
|
|
if (!mpctx->demuxer)
|
|
return -1;
|
|
|
|
if (!mpctx->demuxer->seekable) {
|
|
MP_ERR(mpctx, "Can't seek in this file.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (mpctx->stop_play == AT_END_OF_FILE)
|
|
mpctx->stop_play = KEEP_PLAYING;
|
|
|
|
double hr_seek_offset = opts->hr_seek_demuxer_offset;
|
|
bool hr_seek_very_exact = seek.exact == MPSEEK_VERY_EXACT;
|
|
// Always try to compensate for possibly bad demuxers in "special"
|
|
// situations where we need more robustness from the hr-seek code, even
|
|
// if the user doesn't use --hr-seek-demuxer-offset.
|
|
// The value is arbitrary, but should be "good enough" in most situations.
|
|
if (hr_seek_very_exact)
|
|
hr_seek_offset = MPMAX(hr_seek_offset, 0.5); // arbitrary
|
|
|
|
bool hr_seek = opts->correct_pts && seek.exact != MPSEEK_KEYFRAME;
|
|
hr_seek &= (opts->hr_seek == 0 && seek.type == MPSEEK_ABSOLUTE) ||
|
|
opts->hr_seek > 0 || seek.exact >= MPSEEK_EXACT;
|
|
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 && !mpctx->demuxer->ts_resets_possible) {
|
|
double len = get_time_length(mpctx);
|
|
if (len >= 0) {
|
|
seek.amount = seek.amount * len + get_start_time(mpctx);
|
|
seek.type = MPSEEK_ABSOLUTE;
|
|
}
|
|
}
|
|
int direction = 0;
|
|
if (seek.type == MPSEEK_RELATIVE && (!mpctx->demuxer->rel_seeks || hr_seek)) {
|
|
seek.type = MPSEEK_ABSOLUTE;
|
|
direction = seek.amount > 0 ? 1 : -1;
|
|
seek.amount += get_current_time(mpctx);
|
|
}
|
|
hr_seek &= seek.type == MPSEEK_ABSOLUTE; // otherwise, no target PTS known
|
|
|
|
double demuxer_amount = seek.amount;
|
|
if (mpctx->timeline) {
|
|
bool need_reset = false;
|
|
demuxer_amount = timeline_set_from_time(mpctx, seek.amount,
|
|
&need_reset);
|
|
if (need_reset) {
|
|
reinit_video_chain(mpctx);
|
|
reinit_audio_chain(mpctx);
|
|
reinit_subs(mpctx, 0);
|
|
reinit_subs(mpctx, 1);
|
|
}
|
|
}
|
|
|
|
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 || direction < 0) {
|
|
demuxer_style |= SEEK_BACKWARD;
|
|
} else if (direction > 0) {
|
|
demuxer_style |= SEEK_FORWARD;
|
|
}
|
|
if (hr_seek)
|
|
demuxer_style |= SEEK_HR;
|
|
if (hr_seek || opts->mkv_subtitle_preroll)
|
|
demuxer_style |= SEEK_SUBPREROLL;
|
|
|
|
if (hr_seek)
|
|
demuxer_amount -= hr_seek_offset;
|
|
demux_seek(mpctx->demuxer, demuxer_amount, demuxer_style);
|
|
|
|
// Seek external, extra files too:
|
|
for (int t = 0; t < mpctx->num_tracks; t++) {
|
|
struct track *track = mpctx->tracks[t];
|
|
if (track->selected && track->is_external && track->demuxer) {
|
|
double main_new_pos = seek.amount;
|
|
if (seek.type != MPSEEK_ABSOLUTE)
|
|
main_new_pos = get_main_demux_pts(mpctx);
|
|
main_new_pos -= get_track_video_offset(mpctx, track);
|
|
demux_seek(track->demuxer, main_new_pos, SEEK_ABSOLUTE | SEEK_BACKWARD);
|
|
}
|
|
}
|
|
|
|
if (!timeline_fallthrough)
|
|
clear_audio_output_buffers(mpctx);
|
|
|
|
reset_playback_state(mpctx);
|
|
|
|
if (timeline_fallthrough) {
|
|
// Important if video reinit happens.
|
|
mpctx->vo_pts_history_seek_ts = prev_seek_ts;
|
|
mpctx->step_frames = prev_step;
|
|
} 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->last_seek_pts = seek.amount;
|
|
|
|
// 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 = !hr_seek_very_exact;
|
|
mpctx->hrseek_pts = hr_seek ? seek.amount
|
|
: mpctx->timeline[mpctx->timeline_part].start;
|
|
}
|
|
|
|
mpctx->start_timestamp = mp_time_sec();
|
|
mpctx->sleeptime = 0;
|
|
|
|
mp_notify(mpctx, MPV_EVENT_SEEK, NULL);
|
|
mp_notify(mpctx, MPV_EVENT_TICK, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
// This combines consecutive seek requests.
|
|
void queue_seek(struct MPContext *mpctx, enum seek_type type, double amount,
|
|
enum seek_precision exact, bool immediate)
|
|
{
|
|
struct seek_params *seek = &mpctx->seek;
|
|
switch (type) {
|
|
case MPSEEK_RELATIVE:
|
|
seek->immediate |= immediate;
|
|
if (seek->type == MPSEEK_FACTOR)
|
|
return; // Well... not common enough to bother doing better
|
|
seek->amount += amount;
|
|
seek->exact = MPMAX(seek->exact, exact);
|
|
if (seek->type == MPSEEK_NONE)
|
|
seek->exact = exact;
|
|
if (seek->type == MPSEEK_ABSOLUTE)
|
|
return;
|
|
seek->type = MPSEEK_RELATIVE;
|
|
return;
|
|
case MPSEEK_ABSOLUTE:
|
|
case MPSEEK_FACTOR:
|
|
*seek = (struct seek_params) {
|
|
.type = type,
|
|
.amount = amount,
|
|
.exact = exact,
|
|
.immediate = immediate,
|
|
};
|
|
return;
|
|
case MPSEEK_NONE:
|
|
*seek = (struct seek_params){ 0 };
|
|
return;
|
|
}
|
|
abort();
|
|
}
|
|
|
|
void execute_queued_seek(struct MPContext *mpctx)
|
|
{
|
|
if (mpctx->seek.type) {
|
|
// Let explicitly imprecise seeks cancel precise seeks:
|
|
if (mpctx->hrseek_active && mpctx->seek.exact == MPSEEK_KEYFRAME)
|
|
mpctx->start_timestamp = -1e9;
|
|
/* 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.immediate && mpctx->video_status < STATUS_READY &&
|
|
mp_time_sec() - mpctx->start_timestamp < 0.3)
|
|
return;
|
|
mp_seek(mpctx, mpctx->seek, false);
|
|
mpctx->seek = (struct seek_params){0};
|
|
}
|
|
}
|
|
|
|
// -1 if unknown
|
|
double get_time_length(struct MPContext *mpctx)
|
|
{
|
|
struct demuxer *demuxer = mpctx->demuxer;
|
|
if (!demuxer)
|
|
return -1;
|
|
|
|
if (mpctx->timeline)
|
|
return mpctx->timeline[mpctx->num_timeline_parts].start;
|
|
|
|
double len = demuxer_get_time_length(demuxer);
|
|
if (len >= 0)
|
|
return len;
|
|
|
|
return -1; // unknown
|
|
}
|
|
|
|
double get_current_time(struct MPContext *mpctx)
|
|
{
|
|
struct demuxer *demuxer = mpctx->demuxer;
|
|
if (!demuxer)
|
|
return 0;
|
|
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_playback_time(struct MPContext *mpctx)
|
|
{
|
|
double cur = get_current_time(mpctx);
|
|
double start = get_start_time(mpctx);
|
|
return cur >= start ? cur - start : cur;
|
|
}
|
|
|
|
// Return playback position in 0.0-1.0 ratio, or -1 if unknown.
|
|
double get_current_pos_ratio(struct MPContext *mpctx, bool use_range)
|
|
{
|
|
struct demuxer *demuxer = mpctx->demuxer;
|
|
if (!demuxer)
|
|
return -1;
|
|
double ans = -1;
|
|
double start = get_start_time(mpctx);
|
|
double len = get_time_length(mpctx);
|
|
if (use_range) {
|
|
double startpos = rel_time_to_abs(mpctx, mpctx->opts->play_start);
|
|
double endpos = get_play_end_pts(mpctx);
|
|
if (endpos == MP_NOPTS_VALUE || endpos > start + MPMAX(0, len))
|
|
endpos = start + MPMAX(0, len);
|
|
if (startpos == MP_NOPTS_VALUE || startpos < start)
|
|
startpos = start;
|
|
if (endpos < startpos)
|
|
endpos = startpos;
|
|
start = startpos;
|
|
len = endpos - startpos;
|
|
}
|
|
double pos = get_current_time(mpctx);
|
|
if (len > 0)
|
|
ans = MPCLAMP((pos - start) / len, 0, 1);
|
|
if (ans < 0 || demuxer->ts_resets_possible) {
|
|
int64_t size;
|
|
if (demux_stream_control(demuxer, STREAM_CTRL_GET_SIZE, &size) > 0) {
|
|
if (size > 0 && demuxer->filepos >= 0)
|
|
ans = MPCLAMP(demuxer->filepos / (double)size, 0, 1);
|
|
}
|
|
}
|
|
if (use_range) {
|
|
if (mpctx->opts->play_frames > 0)
|
|
ans = MPMAX(ans, 1.0 -
|
|
mpctx->max_frames / (double) mpctx->opts->play_frames);
|
|
}
|
|
return ans;
|
|
}
|
|
|
|
// 0-100, -1 if unknown
|
|
int get_percent_pos(struct MPContext *mpctx)
|
|
{
|
|
double pos = get_current_pos_ratio(mpctx, false);
|
|
return pos < 0 ? -1 : pos * 100;
|
|
}
|
|
|
|
// -2 is no chapters, -1 is before first chapter
|
|
int get_current_chapter(struct MPContext *mpctx)
|
|
{
|
|
if (!mpctx->num_chapters)
|
|
return -2;
|
|
double current_pts = get_current_time(mpctx);
|
|
int i;
|
|
for (i = 0; i < mpctx->num_chapters; i++)
|
|
if (current_pts < mpctx->chapters[i].pts)
|
|
break;
|
|
return MPMAX(mpctx->last_chapter_seek, i - 1);
|
|
}
|
|
|
|
char *chapter_display_name(struct MPContext *mpctx, int chapter)
|
|
{
|
|
char *name = chapter_name(mpctx, chapter);
|
|
char *dname = NULL;
|
|
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);
|
|
}
|
|
talloc_free(name);
|
|
return dname;
|
|
}
|
|
|
|
// returns NULL if chapter name unavailable
|
|
char *chapter_name(struct MPContext *mpctx, int chapter)
|
|
{
|
|
if (chapter < 0 || chapter >= mpctx->num_chapters)
|
|
return NULL;
|
|
return talloc_strdup(NULL, mpctx->chapters[chapter].name);
|
|
}
|
|
|
|
// returns the start of the chapter in seconds (-1 if unavailable)
|
|
double chapter_start_time(struct MPContext *mpctx, int chapter)
|
|
{
|
|
if (chapter == -1)
|
|
return get_start_time(mpctx);
|
|
if (chapter >= 0 && chapter < mpctx->num_chapters)
|
|
return mpctx->chapters[chapter].pts;
|
|
return MP_NOPTS_VALUE;
|
|
}
|
|
|
|
int get_chapter_count(struct MPContext *mpctx)
|
|
{
|
|
return mpctx->num_chapters;
|
|
}
|
|
|
|
// Seek to a given chapter. Queues the seek.
|
|
bool mp_seek_chapter(struct MPContext *mpctx, int chapter)
|
|
{
|
|
int num = get_chapter_count(mpctx);
|
|
if (num == 0)
|
|
return false;
|
|
if (chapter < -1 || chapter >= num)
|
|
return false;
|
|
|
|
mpctx->last_chapter_seek = -2;
|
|
|
|
double pts = chapter_start_time(mpctx, chapter);
|
|
if (pts == MP_NOPTS_VALUE)
|
|
return false;
|
|
|
|
queue_seek(mpctx, MPSEEK_ABSOLUTE, pts, MPSEEK_DEFAULT, true);
|
|
mpctx->last_chapter_seek = chapter;
|
|
mpctx->last_chapter_pts = pts;
|
|
return true;
|
|
}
|
|
|
|
static void handle_osd_redraw(struct MPContext *mpctx)
|
|
{
|
|
if (!mpctx->video_out || !mpctx->video_out->config_ok)
|
|
return;
|
|
// If we're playing normally, let OSD be redrawn naturally as part of
|
|
// video display.
|
|
if (!mpctx->paused) {
|
|
if (mpctx->sleeptime < 0.1 && mpctx->video_status == STATUS_PLAYING)
|
|
return;
|
|
}
|
|
// Don't redraw immediately during a seek (makes it significantly slower).
|
|
if (mpctx->d_video && mp_time_sec() - mpctx->start_timestamp < 0.1) {
|
|
mpctx->sleeptime = MPMIN(mpctx->sleeptime, 0.1);
|
|
return;
|
|
}
|
|
bool want_redraw = osd_query_and_reset_want_redraw(mpctx->osd) ||
|
|
vo_want_redraw(mpctx->video_out);
|
|
if (!want_redraw)
|
|
return;
|
|
vo_redraw(mpctx->video_out);
|
|
mpctx->sleeptime = 0;
|
|
}
|
|
|
|
static void handle_pause_on_low_cache(struct MPContext *mpctx)
|
|
{
|
|
struct MPOpts *opts = mpctx->opts;
|
|
if (!mpctx->demuxer)
|
|
return;
|
|
|
|
int idle = -1;
|
|
demux_stream_control(mpctx->demuxer, STREAM_CTRL_GET_CACHE_IDLE, &idle);
|
|
|
|
struct demux_ctrl_reader_state s = {.idle = true, .ts_duration = -1};
|
|
demux_control(mpctx->demuxer, DEMUXER_CTRL_GET_READER_STATE, &s);
|
|
|
|
if (mpctx->restart_complete && idle != -1) {
|
|
if (mpctx->paused && mpctx->paused_for_cache) {
|
|
if (!opts->cache_pausing || s.ts_duration >= mpctx->cache_wait_time
|
|
|| s.idle)
|
|
{
|
|
double elapsed_time = mp_time_sec() - mpctx->cache_stop_time;
|
|
if (elapsed_time > mpctx->cache_wait_time) {
|
|
mpctx->cache_wait_time *= 1.5 + 0.1;
|
|
} else {
|
|
mpctx->cache_wait_time /= 1.5 - 0.1;
|
|
}
|
|
mpctx->paused_for_cache = false;
|
|
if (!opts->pause)
|
|
unpause_player(mpctx);
|
|
mp_notify(mpctx, MP_EVENT_CACHE_UPDATE, NULL);
|
|
}
|
|
mpctx->sleeptime = MPMIN(mpctx->sleeptime, 0.2);
|
|
} else {
|
|
if (opts->cache_pausing && s.underrun) {
|
|
bool prev_paused_user = opts->pause;
|
|
pause_player(mpctx);
|
|
mpctx->paused_for_cache = true;
|
|
opts->pause = prev_paused_user;
|
|
mpctx->cache_stop_time = mp_time_sec();
|
|
mp_notify(mpctx, MP_EVENT_CACHE_UPDATE, NULL);
|
|
}
|
|
}
|
|
mpctx->cache_wait_time = MPCLAMP(mpctx->cache_wait_time, 1, 10);
|
|
}
|
|
|
|
// Also update cache properties.
|
|
bool busy = idle == 0;
|
|
if (!s.idle) {
|
|
busy |= idle != -1;
|
|
busy |= mp_client_event_is_registered(mpctx, MP_EVENT_CACHE_UPDATE);
|
|
}
|
|
if (busy || mpctx->next_cache_update > 0) {
|
|
double now = mp_time_sec();
|
|
if (mpctx->next_cache_update <= now) {
|
|
mpctx->next_cache_update = busy ? now + 0.25 : 0;
|
|
mp_notify(mpctx, MP_EVENT_CACHE_UPDATE, NULL);
|
|
}
|
|
if (mpctx->next_cache_update > 0) {
|
|
mpctx->sleeptime =
|
|
MPMIN(mpctx->sleeptime, mpctx->next_cache_update - now);
|
|
}
|
|
}
|
|
}
|
|
|
|
double get_cache_buffering_percentage(struct MPContext *mpctx)
|
|
{
|
|
if (mpctx->demuxer && mpctx->paused_for_cache && mpctx->cache_wait_time > 0) {
|
|
struct demux_ctrl_reader_state s = {.idle = true, .ts_duration = -1};
|
|
demux_control(mpctx->demuxer, DEMUXER_CTRL_GET_READER_STATE, &s);
|
|
if (s.ts_duration < 0)
|
|
s.ts_duration = 0;
|
|
|
|
return MPCLAMP(s.ts_duration / mpctx->cache_wait_time, 0.0, 1.0);
|
|
}
|
|
if (mpctx->demuxer && !mpctx->paused_for_cache)
|
|
return 1.0;
|
|
return -1;
|
|
}
|
|
|
|
static void handle_heartbeat_cmd(struct MPContext *mpctx)
|
|
{
|
|
struct MPOpts *opts = mpctx->opts;
|
|
if (opts->heartbeat_cmd && !mpctx->paused && mpctx->video_out) {
|
|
double now = mp_time_sec();
|
|
if (mpctx->next_heartbeat <= now) {
|
|
mpctx->next_heartbeat = now + opts->heartbeat_interval;
|
|
system(opts->heartbeat_cmd);
|
|
}
|
|
mpctx->sleeptime = MPMIN(mpctx->sleeptime, mpctx->next_heartbeat - now);
|
|
}
|
|
}
|
|
|
|
static void handle_cursor_autohide(struct MPContext *mpctx)
|
|
{
|
|
struct MPOpts *opts = mpctx->opts;
|
|
struct vo *vo = mpctx->video_out;
|
|
|
|
if (!vo)
|
|
return;
|
|
|
|
bool mouse_cursor_visible = mpctx->mouse_cursor_visible;
|
|
double now = mp_time_sec();
|
|
|
|
unsigned 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;
|
|
mpctx->mouse_timer = now + opts->cursor_autohide_delay / 1000.0;
|
|
mouse_cursor_visible = true;
|
|
}
|
|
|
|
if (mpctx->mouse_timer > now) {
|
|
mpctx->sleeptime = MPMIN(mpctx->sleeptime, mpctx->mouse_timer - now);
|
|
} else {
|
|
mouse_cursor_visible = false;
|
|
}
|
|
|
|
if (opts->cursor_autohide_delay == -1)
|
|
mouse_cursor_visible = true;
|
|
|
|
if (opts->cursor_autohide_delay == -2)
|
|
mouse_cursor_visible = false;
|
|
|
|
if (opts->cursor_autohide_fs && !opts->vo.fullscreen)
|
|
mouse_cursor_visible = true;
|
|
|
|
if (mouse_cursor_visible != mpctx->mouse_cursor_visible)
|
|
vo_control(vo, VOCTRL_SET_CURSOR_VISIBILITY, &mouse_cursor_visible);
|
|
mpctx->mouse_cursor_visible = mouse_cursor_visible;
|
|
}
|
|
|
|
static void handle_vo_events(struct MPContext *mpctx)
|
|
{
|
|
struct vo *vo = mpctx->video_out;
|
|
int events = vo ? vo_query_and_reset_events(vo, VO_EVENTS_USER) : 0;
|
|
if (events & VO_EVENT_RESIZE)
|
|
mp_notify(mpctx, MP_EVENT_WIN_RESIZE, NULL);
|
|
if (events & VO_EVENT_WIN_STATE)
|
|
mp_notify(mpctx, MP_EVENT_WIN_STATE, NULL);
|
|
}
|
|
|
|
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;
|
|
}
|
|
if (mpctx->vo_pts_history_pts[0] == pts) // may be called multiple times
|
|
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 void handle_backstep(struct MPContext *mpctx)
|
|
{
|
|
if (!mpctx->backstep_active)
|
|
return;
|
|
|
|
double current_pts = mpctx->last_vo_pts;
|
|
mpctx->backstep_active = false;
|
|
if (mpctx->d_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, MPSEEK_VERY_EXACT, true);
|
|
} 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_ERR(mpctx, "Backstep failed.\n");
|
|
queue_seek(mpctx, MPSEEK_ABSOLUTE, current_pts,
|
|
MPSEEK_VERY_EXACT, true);
|
|
} else if (!mpctx->hrseek_active) {
|
|
MP_VERBOSE(mpctx, "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.)
|
|
mp_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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void handle_sstep(struct MPContext *mpctx)
|
|
{
|
|
struct MPOpts *opts = mpctx->opts;
|
|
if (mpctx->stop_play || !mpctx->restart_complete)
|
|
return;
|
|
|
|
if (opts->step_sec > 0 && !mpctx->paused) {
|
|
set_osd_function(mpctx, OSD_FFW);
|
|
queue_seek(mpctx, MPSEEK_RELATIVE, opts->step_sec, MPSEEK_DEFAULT, true);
|
|
}
|
|
|
|
if (mpctx->video_status >= STATUS_EOF) {
|
|
if (mpctx->max_frames >= 0)
|
|
mpctx->stop_play = AT_END_OF_FILE; // force EOF even if audio left
|
|
if (mpctx->step_frames > 0 && !mpctx->paused)
|
|
pause_player(mpctx);
|
|
}
|
|
}
|
|
|
|
static void handle_loop_file(struct MPContext *mpctx)
|
|
{
|
|
struct MPOpts *opts = mpctx->opts;
|
|
if (opts->loop_file && mpctx->stop_play == AT_END_OF_FILE) {
|
|
mpctx->stop_play = KEEP_PLAYING;
|
|
set_osd_function(mpctx, OSD_FFW);
|
|
queue_seek(mpctx, MPSEEK_ABSOLUTE, get_start_time(mpctx),
|
|
MPSEEK_DEFAULT, true);
|
|
if (opts->loop_file > 0)
|
|
opts->loop_file--;
|
|
}
|
|
}
|
|
|
|
void seek_to_last_frame(struct MPContext *mpctx)
|
|
{
|
|
if (!mpctx->d_video)
|
|
return;
|
|
if (mpctx->hrseek_lastframe) // exit if we already tried this
|
|
return;
|
|
MP_VERBOSE(mpctx, "seeking to last frame...\n");
|
|
// Approximately seek close to the end of the file.
|
|
// Usually, it will seek some seconds before end.
|
|
double end = get_play_end_pts(mpctx);
|
|
if (end == MP_NOPTS_VALUE)
|
|
end = get_time_length(mpctx);
|
|
mp_seek(mpctx, (struct seek_params){
|
|
.type = MPSEEK_ABSOLUTE,
|
|
.amount = end,
|
|
.exact = MPSEEK_VERY_EXACT,
|
|
}, false);
|
|
// Make it exact: stop seek only if last frame was reached.
|
|
if (mpctx->hrseek_active) {
|
|
mpctx->hrseek_pts = 1e99; // "infinite"
|
|
mpctx->hrseek_lastframe = true;
|
|
}
|
|
}
|
|
|
|
static void handle_keep_open(struct MPContext *mpctx)
|
|
{
|
|
struct MPOpts *opts = mpctx->opts;
|
|
if (opts->keep_open && mpctx->stop_play == AT_END_OF_FILE &&
|
|
(opts->keep_open == 2 || !playlist_get_next(mpctx->playlist, 1)) &&
|
|
opts->loop_times == 1)
|
|
{
|
|
mpctx->stop_play = KEEP_PLAYING;
|
|
if (mpctx->d_video) {
|
|
if (!vo_has_frame(mpctx->video_out)) // EOF not reached normally
|
|
seek_to_last_frame(mpctx);
|
|
mpctx->playback_pts = mpctx->last_vo_pts;
|
|
}
|
|
if (!mpctx->opts->pause)
|
|
pause_player(mpctx);
|
|
}
|
|
}
|
|
|
|
static void handle_chapter_change(struct MPContext *mpctx)
|
|
{
|
|
int chapter = get_current_chapter(mpctx);
|
|
if (chapter != mpctx->last_chapter) {
|
|
mpctx->last_chapter = chapter;
|
|
mp_notify(mpctx, MPV_EVENT_CHAPTER_CHANGE, NULL);
|
|
}
|
|
}
|
|
|
|
// Execute a forceful refresh of the VO window, if it hasn't had a valid frame
|
|
// for a while. The problem is that a VO with no valid frame (vo->hasframe==0)
|
|
// doesn't redraw video and doesn't OSD interaction. So screw it, hard.
|
|
// It also closes the VO if force_window or video display is not active.
|
|
void handle_force_window(struct MPContext *mpctx, bool reconfig)
|
|
{
|
|
// Don't interfere with real video playback
|
|
if (mpctx->d_video)
|
|
return;
|
|
|
|
if (!mpctx->opts->force_vo && mpctx->video_out)
|
|
uninit_video_out(mpctx);
|
|
|
|
if (mpctx->video_out && (!mpctx->video_out->config_ok || reconfig)) {
|
|
struct vo *vo = mpctx->video_out;
|
|
MP_INFO(mpctx, "Creating non-video VO window.\n");
|
|
// Pick whatever works
|
|
int config_format = 0;
|
|
uint8_t fmts[IMGFMT_END - IMGFMT_START] = {0};
|
|
vo_query_formats(vo, fmts);
|
|
for (int fmt = IMGFMT_START; fmt < IMGFMT_END; fmt++) {
|
|
if (fmts[fmt - IMGFMT_START]) {
|
|
config_format = fmt;
|
|
break;
|
|
}
|
|
}
|
|
int w = 960;
|
|
int h = 480;
|
|
struct mp_image_params p = {
|
|
.imgfmt = config_format,
|
|
.w = w, .h = h,
|
|
.d_w = w, .d_h = h,
|
|
};
|
|
if (vo_reconfig(vo, &p, 0) < 0) {
|
|
mpctx->opts->force_vo = 0;
|
|
uninit_video_out(mpctx);
|
|
return;
|
|
}
|
|
vo_control(vo, VOCTRL_RESTORE_SCREENSAVER, NULL);
|
|
vo_set_paused(vo, true);
|
|
vo_redraw(vo);
|
|
mp_notify(mpctx, MPV_EVENT_VIDEO_RECONFIG, NULL);
|
|
}
|
|
}
|
|
|
|
// Potentially needed by some Lua scripts, which assume TICK always comes.
|
|
static void handle_dummy_ticks(struct MPContext *mpctx)
|
|
{
|
|
if (mpctx->video_status == STATUS_EOF || mpctx->paused) {
|
|
if (mp_time_sec() - mpctx->last_idle_tick > 0.5) {
|
|
mpctx->last_idle_tick = mp_time_sec();
|
|
mp_notify(mpctx, MPV_EVENT_TICK, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
// We always make sure audio and video buffers are filled before actually
|
|
// starting playback. This code handles starting them at the same time.
|
|
static void handle_playback_restart(struct MPContext *mpctx, double endpts)
|
|
{
|
|
struct MPOpts *opts = mpctx->opts;
|
|
|
|
if (mpctx->audio_status < STATUS_READY ||
|
|
mpctx->video_status < STATUS_READY)
|
|
return;
|
|
|
|
if (mpctx->video_status == STATUS_READY) {
|
|
mpctx->video_status = STATUS_PLAYING;
|
|
get_relative_time(mpctx);
|
|
mpctx->sleeptime = 0;
|
|
}
|
|
|
|
if (mpctx->audio_status == STATUS_READY)
|
|
fill_audio_out_buffers(mpctx, endpts); // actually play prepared buffer
|
|
|
|
if (!mpctx->restart_complete) {
|
|
mpctx->hrseek_active = false;
|
|
mpctx->restart_complete = true;
|
|
mp_notify(mpctx, MPV_EVENT_PLAYBACK_RESTART, NULL);
|
|
if (!mpctx->playing_msg_shown) {
|
|
if (opts->playing_msg && opts->playing_msg[0]) {
|
|
char *msg =
|
|
mp_property_expand_escaped_string(mpctx, opts->playing_msg);
|
|
MP_INFO(mpctx, "%s\n", msg);
|
|
talloc_free(msg);
|
|
}
|
|
if (opts->osd_playing_msg && opts->osd_playing_msg[0]) {
|
|
char *msg =
|
|
mp_property_expand_escaped_string(mpctx, opts->osd_playing_msg);
|
|
set_osd_msg(mpctx, 1, opts->osd_duration, "%s", msg);
|
|
talloc_free(msg);
|
|
}
|
|
}
|
|
mpctx->playing_msg_shown = true;
|
|
}
|
|
}
|
|
|
|
// Determines whether the end of the current segment is reached, and switch to
|
|
// the next one if required. Also handles regular playback end.
|
|
static void handle_segment_switch(struct MPContext *mpctx, bool end_is_new_segment)
|
|
{
|
|
/* Don't quit while paused and we're displaying the last video frame. On the
|
|
* other hand, if we don't have a video frame, then the user probably seeked
|
|
* outside of the video, and we do want to quit. */
|
|
bool prevent_eof =
|
|
mpctx->paused && mpctx->video_out && vo_has_frame(mpctx->video_out);
|
|
/* 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.
|
|
*/
|
|
if ((mpctx->d_audio || mpctx->d_video) && !prevent_eof &&
|
|
mpctx->audio_status == STATUS_EOF &&
|
|
mpctx->video_status == STATUS_EOF)
|
|
{
|
|
int new_part = mpctx->timeline_part + 1;
|
|
if (end_is_new_segment && new_part < mpctx->num_timeline_parts) {
|
|
mp_seek(mpctx, (struct seek_params){
|
|
.type = MPSEEK_ABSOLUTE,
|
|
.amount = mpctx->timeline[new_part].start
|
|
}, true);
|
|
} else {
|
|
mpctx->stop_play = AT_END_OF_FILE;
|
|
}
|
|
}
|
|
}
|
|
|
|
void run_playloop(struct MPContext *mpctx)
|
|
{
|
|
double endpts = get_play_end_pts(mpctx);
|
|
bool end_is_new_segment = false;
|
|
|
|
#if HAVE_ENCODING
|
|
if (encode_lavc_didfail(mpctx->encode_lavc_ctx)) {
|
|
mpctx->stop_play = PT_QUIT;
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
update_demuxer_properties(mpctx);
|
|
|
|
if (mpctx->timeline) {
|
|
double end = mpctx->timeline[mpctx->timeline_part + 1].start;
|
|
if (endpts == MP_NOPTS_VALUE || end < endpts) {
|
|
end_is_new_segment = true;
|
|
endpts = end;
|
|
}
|
|
}
|
|
|
|
handle_cursor_autohide(mpctx);
|
|
handle_vo_events(mpctx);
|
|
handle_heartbeat_cmd(mpctx);
|
|
handle_command_updates(mpctx);
|
|
|
|
fill_audio_out_buffers(mpctx, endpts);
|
|
write_video(mpctx, endpts);
|
|
|
|
handle_playback_restart(mpctx, endpts);
|
|
|
|
// Use the audio timestamp if no video, or video is enabled, but has ended.
|
|
if (mpctx->video_status == STATUS_EOF &&
|
|
mpctx->audio_status >= STATUS_PLAYING &&
|
|
mpctx->audio_status < STATUS_EOF)
|
|
{
|
|
mpctx->playback_pts = playing_audio_pts(mpctx);
|
|
}
|
|
|
|
handle_dummy_ticks(mpctx);
|
|
|
|
update_osd_msg(mpctx);
|
|
update_subtitles(mpctx);
|
|
|
|
handle_segment_switch(mpctx, end_is_new_segment);
|
|
|
|
mp_handle_nav(mpctx);
|
|
|
|
handle_loop_file(mpctx);
|
|
|
|
handle_keep_open(mpctx);
|
|
|
|
handle_sstep(mpctx);
|
|
|
|
if (mpctx->stop_play)
|
|
return;
|
|
|
|
handle_osd_redraw(mpctx);
|
|
|
|
mp_wait_events(mpctx, mpctx->sleeptime);
|
|
mpctx->sleeptime = 100.0; // infinite for all practical purposes
|
|
|
|
handle_pause_on_low_cache(mpctx);
|
|
|
|
mp_process_input(mpctx);
|
|
|
|
handle_backstep(mpctx);
|
|
|
|
handle_chapter_change(mpctx);
|
|
|
|
handle_force_window(mpctx, false);
|
|
|
|
execute_queued_seek(mpctx);
|
|
}
|
|
|
|
void mp_idle(struct MPContext *mpctx)
|
|
{
|
|
handle_dummy_ticks(mpctx);
|
|
mp_wait_events(mpctx, mpctx->sleeptime);
|
|
mpctx->sleeptime = 100.0;
|
|
mp_process_input(mpctx);
|
|
handle_cursor_autohide(mpctx);
|
|
handle_vo_events(mpctx);
|
|
update_osd_msg(mpctx);
|
|
handle_osd_redraw(mpctx);
|
|
}
|
|
|
|
// Waiting for the slave master to send us a new file to play.
|
|
void idle_loop(struct MPContext *mpctx)
|
|
{
|
|
// ================= idle loop (STOP state) =========================
|
|
bool need_reinit = true;
|
|
while (mpctx->opts->player_idle_mode && !mpctx->playlist->current
|
|
&& mpctx->stop_play != PT_QUIT)
|
|
{
|
|
if (need_reinit) {
|
|
mp_notify(mpctx, MPV_EVENT_IDLE, NULL);
|
|
uninit_audio_out(mpctx);
|
|
handle_force_window(mpctx, true);
|
|
mpctx->sleeptime = 0;
|
|
need_reinit = false;
|
|
}
|
|
mp_idle(mpctx);
|
|
}
|
|
}
|