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mpv/player/loadfile.c
wm4 6534839154 demux_subreader: reject file if not opened by --sub 
demux_subreader.c contains the old MPlayer subtitle parser, and I have
absolutely no confidence in this (very crappy) code. There might be
one or two security risks associated with running that code on
arbitrary input.
2014-01-04 19:00:01 +01:00

1496 lines
51 KiB
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 <stddef.h>
#include <stdbool.h>
#include <inttypes.h>
#include <assert.h>
#include <libavutil/avutil.h>
#include "config.h"
#include "talloc.h"
#include "osdep/io.h"
#include "osdep/terminal.h"
#include "osdep/timer.h"
#include "common/msg.h"
#include "options/path.h"
#include "options/m_config.h"
#include "options/parse_configfile.h"
#include "common/playlist.h"
#include "options/options.h"
#include "options/m_property.h"
#include "common/common.h"
#include "common/encode.h"
#include "input/input.h"
#include "audio/mixer.h"
#include "audio/audio.h"
#include "audio/audio_buffer.h"
#include "audio/decode/dec_audio.h"
#include "audio/out/ao.h"
#include "demux/demux.h"
#include "stream/stream.h"
#include "stream/resolve/resolve.h"
#include "sub/ass_mp.h"
#include "sub/dec_sub.h"
#include "sub/find_subfiles.h"
#include "video/decode/dec_video.h"
#include "video/out/vo.h"
#include "core.h"
#include "command.h"
#if HAVE_DVBIN
#include "stream/dvbin.h"
#endif
static void uninit_sub(struct MPContext *mpctx, int order)
{
if (mpctx->d_sub[order])
sub_reset(mpctx->d_sub[order]);
mpctx->d_sub[order] = NULL; // Note: not free'd.
mpctx->osd->objs[order ? OSDTYPE_SUB2 : OSDTYPE_SUB]->dec_sub = NULL;
reset_subtitles(mpctx, order);
reselect_demux_streams(mpctx);
}
void uninit_player(struct MPContext *mpctx, unsigned int mask)
{
struct MPOpts *opts = mpctx->opts;
mask &= mpctx->initialized_flags;
MP_DBG(mpctx, "\n*** uninit(0x%X)\n", mask);
if (mask & INITIALIZED_ACODEC) {
mpctx->initialized_flags &= ~INITIALIZED_ACODEC;
mixer_uninit_audio(mpctx->mixer);
audio_uninit(mpctx->d_audio);
mpctx->d_audio = NULL;
reselect_demux_streams(mpctx);
}
if (mask & INITIALIZED_SUB) {
mpctx->initialized_flags &= ~INITIALIZED_SUB;
uninit_sub(mpctx, 0);
}
if (mask & INITIALIZED_SUB2) {
mpctx->initialized_flags &= ~INITIALIZED_SUB2;
uninit_sub(mpctx, 1);
}
if (mask & INITIALIZED_LIBASS) {
mpctx->initialized_flags &= ~INITIALIZED_LIBASS;
#if HAVE_LIBASS
if (mpctx->ass_renderer)
ass_renderer_done(mpctx->ass_renderer);
mpctx->ass_renderer = NULL;
ass_clear_fonts(mpctx->ass_library);
#endif
}
if (mask & INITIALIZED_VCODEC) {
mpctx->initialized_flags &= ~INITIALIZED_VCODEC;
if (mpctx->d_video)
video_uninit(mpctx->d_video);
mpctx->d_video = NULL;
mpctx->sync_audio_to_video = false;
reselect_demux_streams(mpctx);
}
if (mask & INITIALIZED_DEMUXER) {
mpctx->initialized_flags &= ~INITIALIZED_DEMUXER;
assert(!(mpctx->initialized_flags &
(INITIALIZED_VCODEC | INITIALIZED_ACODEC |
INITIALIZED_SUB2 | INITIALIZED_SUB)));
for (int i = 0; i < mpctx->num_tracks; i++) {
talloc_free(mpctx->tracks[i]);
}
mpctx->num_tracks = 0;
for (int r = 0; r < NUM_PTRACKS; r++) {
for (int t = 0; t < STREAM_TYPE_COUNT; t++)
mpctx->current_track[r][t] = NULL;
}
assert(!mpctx->d_video && !mpctx->d_audio &&
!mpctx->d_sub[0] && !mpctx->d_sub[1]);
mpctx->master_demuxer = NULL;
for (int i = 0; i < mpctx->num_sources; i++) {
uninit_subs(mpctx->sources[i]);
struct demuxer *demuxer = mpctx->sources[i];
struct stream *stream = demuxer->stream;
free_demuxer(demuxer);
if (stream != mpctx->stream)
free_stream(stream);
}
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;
}
if (mask & INITIALIZED_AO) {
struct ao *ao = mpctx->ao;
mpctx->initialized_flags &= ~INITIALIZED_AO;
if (ao) {
bool drain = false;
// Note: with gapless_audio, stop_play is not correctly set
if (opts->gapless_audio || mpctx->stop_play == AT_END_OF_FILE) {
drain = true;
struct mp_audio data;
mp_audio_buffer_peek(ao->buffer, &data);
int samples = ao->buffer_playable_samples;
assert(samples <= data.samples);
if (samples > 0) {
int played = ao_play(ao, data.planes, samples,
AOPLAY_FINAL_CHUNK);
if (played < samples)
MP_WARN(ao, "Audio output truncated at end.\n");
}
}
ao_uninit(ao, drain);
}
mpctx->ao = NULL;
}
if (mask & INITIALIZED_PLAYBACK)
mpctx->initialized_flags &= ~INITIALIZED_PLAYBACK;
}
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_INFO(mpctx, "[stream] %-5s %3s", tname, t->selected ? "(+)" : "");
MP_INFO(mpctx, " --%s=%d", selopt, t->user_tid);
if (t->lang && langopt)
MP_INFO(mpctx, " --%s=%s", langopt, t->lang);
if (t->default_track)
MP_INFO(mpctx, " (*)");
if (t->attached_picture)
MP_INFO(mpctx, " [P]");
if (t->title)
MP_INFO(mpctx, " '%s'", t->title);
const char *codec = s ? s->codec : NULL;
MP_INFO(mpctx, " (%s)", codec ? codec : "<unknown>");
if (t->is_external)
MP_INFO(mpctx, " (external)");
MP_INFO(mpctx, "\n");
// legacy compatibility
if (!iid)
return;
int id = t->user_tid;
MP_SMODE(mpctx, "ID_%s_ID=%d\n", iid, id);
if (t->title)
MP_SMODE(mpctx, "ID_%s_%d_NAME=%s\n", iid, id, t->title);
if (t->lang)
MP_SMODE(mpctx, "ID_%s_%d_LANG=%s\n", iid, id, t->lang);
}
static void print_file_properties(struct MPContext *mpctx)
{
MP_SMODE(mpctx, "ID_FILENAME=%s\n", mpctx->filename);
MP_SMODE(mpctx,
"ID_LENGTH=%.2f\n", get_time_length(mpctx));
int chapter_count = get_chapter_count(mpctx);
if (chapter_count >= 0) {
MP_SMODE(mpctx, "ID_CHAPTERS=%d\n", chapter_count);
for (int i = 0; i < chapter_count; i++) {
MP_SMODE(mpctx, "ID_CHAPTER_ID=%d\n", i);
// print in milliseconds
double time = chapter_start_time(mpctx, i) * 1000.0;
MP_SMODE(mpctx, "ID_CHAPTER_%d_START=%"PRId64"\n",
i, (int64_t)(time < 0 ? -1 : time));
char *name = chapter_name(mpctx, i);
if (name) {
MP_SMODE(mpctx, "ID_CHAPTER_%d_NAME=%s\n", i,
name);
talloc_free(name);
}
}
}
struct demuxer *demuxer = mpctx->master_demuxer;
if (demuxer->num_editions > 1)
MP_INFO(mpctx, "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]);
}
}
// Enable needed streams, disable others.
// Note that switching all tracks at once (instead when initializing something)
// can be important, because reading from a demuxer stream (e.g. during init)
// will implicitly discard interleaved packets from unselected streams.
void reselect_demux_streams(struct MPContext *mpctx)
{
// Note: we assume that all demuxer streams are covered by the track list.
for (int t = 0; t < mpctx->num_tracks; t++) {
struct track *track = mpctx->tracks[t];
if (track->demuxer && track->stream)
demuxer_select_track(track->demuxer, track->stream, track->selected);
}
}
// External demuxers might need a seek to the current playback position.
static void external_track_seek(struct MPContext *mpctx, struct track *track)
{
if (track && track->demuxer && track->selected && track->is_external) {
for (int t = 0; t < mpctx->num_tracks; t++) {
struct track *other = mpctx->tracks[t];
if (other->demuxer == track->demuxer &&
demuxer_stream_is_selected(other->demuxer, other->stream))
return;
}
double pts = get_main_demux_pts(mpctx);
demux_seek(track->demuxer, pts, SEEK_ABSOLUTE);
}
}
struct sh_stream *init_demux_stream(struct MPContext *mpctx, struct track *track)
{
external_track_seek(mpctx, track);
return track ? track->stream : NULL;
}
static struct sh_stream *select_fallback_stream(struct demuxer *d,
enum stream_type type,
int index)
{
struct sh_stream *best_stream = NULL;
for (int n = 0; n < d->num_streams; n++) {
struct sh_stream *s = d->streams[n];
if (s->type == type) {
best_stream = s;
if (index == 0)
break;
index -= 1;
}
}
return best_stream;
}
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->d_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_ACODEC | INITIALIZED_SUB | INITIALIZED_SUB2);
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 x = 0; x < mpctx->num_tracks; x++) {
struct track *track = mpctx->tracks[x];
if (track->under_timeline) {
track->demuxer = mpctx->demuxer;
track->stream = demuxer_stream_by_demuxer_id(track->demuxer,
track->type,
track->demuxer_id);
// EDL can have mismatched files in the same timeline
if (!track->stream) {
track->stream = select_fallback_stream(track->demuxer,
track->type,
track->user_tid - 1);
}
}
}
reselect_demux_streams(mpctx);
return true;
}
// Given pts, switch playback to the corresponding part.
// Return offset within that part.
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;
}
// 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 find_new_tid(struct MPContext *mpctx, enum stream_type t)
{
int new_id = 0;
for (int i = 0; i < mpctx->num_tracks; i++) {
struct track *track = mpctx->tracks[i];
if (track->type == t)
new_id = MPMAX(new_id, track->user_tid);
}
return new_id + 1;
}
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
demuxer_select_track(track->demuxer, stream, track->selected);
if (mpctx->current_track[0][STREAM_SUB] == track)
reinit_subs(mpctx, 0);
if (mpctx->current_track[1][STREAM_SUB] == track)
reinit_subs(mpctx, 1);
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 != NULL,
.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);
}
demuxer_select_track(track->demuxer, stream, false);
mp_notify(mpctx, MP_EVENT_TRACKS_CHANGED, NULL);
return track;
}
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)
{
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);
mp_notify(mpctx, MP_EVENT_TRACKS_CHANGED, NULL);
}
}
demuxer_enable_autoselect(demuxer);
}
// 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;
}
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;
}
// 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;
if (opts->sub2_id >= 0)
mpctx->opts->sub2_id = -2;
talloc_free(mpctx->track_layout_hash);
mpctx->track_layout_hash = NULL;
}
talloc_free(h);
}
void mp_switch_track_n(struct MPContext *mpctx, int order, enum stream_type type,
struct track *track)
{
assert(!track || track->type == type);
assert(order >= 0 && order < NUM_PTRACKS);
struct track *current = mpctx->current_track[order][type];
if (track == current)
return;
if (track && track->selected) {
// Track has been selected in a different order parameter.
MP_ERR(mpctx, "Track %d is already selected.\n", track->user_tid);
return;
}
if (order == 0) {
if (type == STREAM_VIDEO) {
int uninit = INITIALIZED_VCODEC;
if (!mpctx->opts->force_vo)
uninit |= mpctx->opts->fixed_vo && track ? 0 : INITIALIZED_VO;
uninit_player(mpctx, uninit);
} else if (type == STREAM_AUDIO) {
uninit_player(mpctx, INITIALIZED_AO | INITIALIZED_ACODEC);
} else if (type == STREAM_SUB) {
uninit_player(mpctx, INITIALIZED_SUB);
}
} else if (order == 1) {
if (type == STREAM_SUB)
uninit_player(mpctx, INITIALIZED_SUB2);
}
if (current)
current->selected = false;
reselect_demux_streams(mpctx);
mpctx->current_track[order][type] = track;
if (track)
track->selected = true;
reselect_demux_streams(mpctx);
int user_tid = track ? track->user_tid : -2;
if (order == 0) {
if (type == STREAM_VIDEO) {
mpctx->opts->video_id = user_tid;
reinit_video_chain(mpctx);
mp_notify_property(mpctx, "vid");
} else if (type == STREAM_AUDIO) {
mpctx->opts->audio_id = user_tid;
reinit_audio_chain(mpctx);
mp_notify_property(mpctx, "aid");
} else if (type == STREAM_SUB) {
mpctx->opts->sub_id = user_tid;
reinit_subs(mpctx, 0);
mp_notify_property(mpctx, "sid");
}
} else if (order == 1) {
if (type == STREAM_SUB) {
mpctx->opts->sub2_id = user_tid;
reinit_subs(mpctx, 1);
}
}
talloc_free(mpctx->track_layout_hash);
mpctx->track_layout_hash = talloc_steal(mpctx, track_layout_hash(mpctx));
}
void mp_switch_track(struct MPContext *mpctx, enum stream_type type,
struct track *track)
{
mp_switch_track_n(mpctx, 0, type, track);
}
void mp_deselect_track(struct MPContext *mpctx, struct track *track)
{
if (track && track->selected) {
for (int t = 0; t < NUM_PTRACKS; t++)
mp_switch_track_n(mpctx, t, track->type, NULL);
}
}
struct track *mp_track_by_tid(struct MPContext *mpctx, enum stream_type type,
int tid)
{
if (tid == -1)
return mpctx->current_track[0][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;
mp_deselect_track(mpctx, track);
if (track->selected)
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);
mp_notify(mpctx, MP_EVENT_TRACKS_CHANGED, NULL);
return true;
}
static void open_subtitles_from_options(struct MPContext *mpctx)
{
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]);
}
if (mpctx->opts->sub_auto) { // auto load sub file ...
void *tmp = talloc_new(NULL);
char *base_filename = mpctx->filename;
char *stream_filename = NULL;
if (stream_control(mpctx->stream, STREAM_CTRL_GET_BASE_FILENAME,
&stream_filename) > 0)
base_filename = talloc_steal(tmp, stream_filename);
struct subfn *list = find_text_subtitles(mpctx->global, base_filename);
talloc_steal(tmp, list);
for (int i = 0; list && list[i].fname; i++) {
char *filename = list[i].fname;
char *lang = list[i].lang;
for (int n = 0; n < mpctx->num_sources; n++) {
if (strcmp(mpctx->sources[n]->stream->url, filename) == 0)
goto skip;
}
struct track *track = mp_add_subtitles(mpctx, filename);
if (track) {
track->auto_loaded = true;
if (!track->lang)
track->lang = talloc_strdup(track, lang);
}
skip:;
}
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;
char *disp_filename = filename;
if (strncmp(disp_filename, "memory://", 9) == 0)
disp_filename = "memory://"; // avoid noise
struct stream *stream = stream_open(filename, mpctx->global);
if (!stream)
goto err_out;
stream_enable_cache_percent(&stream, stream_cache,
opts->stream_cache_def_size,
opts->stream_cache_min_percent,
opts->stream_cache_seek_min_percent);
struct demuxer_params params = {
.ass_library = mpctx->ass_library, // demux_libass requires it
.expect_subtitle = filter == STREAM_SUB,
};
struct demuxer *demuxer =
demux_open(stream, demuxer_name, &params, mpctx->global);
if (!demuxer) {
free_stream(stream);
goto err_out;
}
struct track *first = NULL;
for (int n = 0; n < demuxer->num_streams; n++) {
struct sh_stream *sh = demuxer->streams[n];
if (sh->type == filter) {
struct track *t = add_stream_track(mpctx, sh, false);
t->is_external = true;
t->title = talloc_strdup(t, disp_filename);
t->external_filename = talloc_strdup(t, filename);
first = t;
}
}
if (!first) {
free_demuxer(demuxer);
free_stream(stream);
MP_WARN(mpctx, "No streams added from file %s.\n",
disp_filename);
goto err_out;
}
MP_TARRAY_APPEND(NULL, mpctx->sources, mpctx->num_sources, demuxer);
return first;
err_out:
MP_ERR(mpctx, "Can not open external file %s.\n",
disp_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)
{
struct MPOpts *opts = mpctx->opts;
return open_external_file(mpctx, filename, opts->sub_demuxer_name, 0,
STREAM_SUB);
}
static void open_subtitles_from_resolve(struct MPContext *mpctx)
{
struct MPOpts *opts = mpctx->opts;
struct mp_resolve_result *res = mpctx->resolve_result;
if (!res)
return;
for (int n = 0; n < res->num_subs; n++) {
struct mp_resolve_sub *sub = res->subs[n];
char *s = talloc_strdup(NULL, sub->url);
if (!s)
s = talloc_asprintf(NULL, "memory://%s", sub->data);
struct track *t =
open_external_file(mpctx, s, opts->sub_demuxer_name, 0, STREAM_SUB);
talloc_free(s);
if (t)
t->lang = talloc_strdup(t, sub->lang);
}
}
static const char *font_mimetypes[] = {
"application/x-truetype-font",
"application/vnd.ms-opentype",
"application/x-font-ttf",
"application/x-font", // probably incorrect
NULL
};
static const char *font_exts[] = {".ttf", ".ttc", ".otf", NULL};
static bool attachment_is_font(struct mp_log *log, struct demux_attachment *att)
{
if (!att->name || !att->type || !att->data || !att->data_size)
return false;
for (int n = 0; font_mimetypes[n]; n++) {
if (strcmp(font_mimetypes[n], att->type) == 0)
return true;
}
// fallback: match against file extension
char *ext = strlen(att->name) > 4 ? att->name + strlen(att->name) - 4 : "";
for (int n = 0; font_exts[n]; n++) {
if (strcasecmp(ext, font_exts[n]) == 0) {
mp_warn(log, "Loading font attachment '%s' with MIME type %s. "
"Assuming this is a broken Matroska file, which was "
"muxed without setting a correct font MIME type.\n",
att->name, att->type);
return true;
}
}
return false;
}
static void add_subtitle_fonts_from_sources(struct MPContext *mpctx)
{
#if HAVE_LIBASS
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(mpctx->log, att))
{
ass_add_font(mpctx->ass_library, att->name, att->data,
att->data_size);
}
}
}
}
#endif
}
static void init_sub_renderer(struct MPContext *mpctx)
{
#if HAVE_LIBASS
assert(!(mpctx->initialized_flags & INITIALIZED_LIBASS));
assert(!mpctx->ass_renderer);
mpctx->ass_renderer = ass_renderer_init(mpctx->ass_library);
if (mpctx->ass_renderer) {
mp_ass_configure_fonts(mpctx->ass_renderer, mpctx->opts->sub_text_style,
mpctx->global, mpctx->ass_log);
}
mpctx->initialized_flags |= INITIALIZED_LIBASS;
#endif
}
static struct mp_resolve_result *resolve_url(const char *filename,
struct mpv_global *global)
{
if (!mp_is_url(bstr0(filename)))
return NULL;
#if HAVE_LIBQUVI
return mp_resolve_quvi(filename, global);
#else
return NULL;
#endif
}
static void print_resolve_contents(struct mp_log *log,
struct mp_resolve_result *res)
{
mp_msg(log, MSGL_V, "Resolve:\n");
mp_msg(log, MSGL_V, " title: %s\n", res->title);
mp_msg(log, MSGL_V, " url: %s\n", res->url);
for (int n = 0; n < res->num_srcs; n++) {
mp_msg(log, MSGL_V, " source %d:\n", n);
if (res->srcs[n]->url)
mp_msg(log, MSGL_V, " url: %s\n", res->srcs[n]->url);
if (res->srcs[n]->encid)
mp_msg(log, MSGL_V, " encid: %s\n", res->srcs[n]->encid);
}
for (int n = 0; n < res->num_subs; n++) {
mp_msg(log, MSGL_V, " subtitle %d:\n", n);
if (res->subs[n]->url)
mp_msg(log, MSGL_V, " url: %s\n", res->subs[n]->url);
if (res->subs[n]->lang)
mp_msg(log, MSGL_V, " lang: %s\n", res->subs[n]->lang);
if (res->subs[n]->data) {
mp_msg(log, MSGL_V, " data: %zd bytes\n",
strlen(res->subs[n]->data));
}
}
if (res->playlist) {
mp_msg(log, MSGL_V, " playlist with %d entries\n",
playlist_entry_count(res->playlist));
}
}
// Replace the current playlist entry with playlist contents. Moves the entries
// from the given playlist pl, so the entries don't actually need to be copied.
static void transfer_playlist(struct MPContext *mpctx, struct playlist *pl)
{
if (pl->first) {
playlist_transfer_entries(mpctx->playlist, pl);
// current entry is replaced
if (mpctx->playlist->current)
playlist_remove(mpctx->playlist, mpctx->playlist->current);
} else {
MP_WARN(mpctx, "Empty playlist!\n");
}
}
static void print_timeline(struct MPContext *mpctx)
{
if (mpctx->timeline) {
int part_count = mpctx->num_timeline_parts;
MP_VERBOSE(mpctx, "Timeline contains %d parts from %d "
"sources. Total length %.3f seconds.\n", part_count,
mpctx->num_sources, mpctx->timeline[part_count].start);
MP_VERBOSE(mpctx, "Source files:\n");
for (int i = 0; i < mpctx->num_sources; i++)
MP_VERBOSE(mpctx, "%d: %s\n", i,
mpctx->sources[i]->filename);
MP_VERBOSE(mpctx, "Timeline parts: (number, start, "
"source_start, source):\n");
for (int i = 0; i < part_count; i++) {
struct timeline_part *p = mpctx->timeline + i;
MP_VERBOSE(mpctx, "%3d %9.3f %9.3f %p/%s\n", i, p->start,
p->source_start, p->source, p->source->filename);
}
MP_VERBOSE(mpctx, "END %9.3f\n",
mpctx->timeline[part_count].start);
}
}
/* 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 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_ext(conf, params[n].name, params[n].value,
M_SETOPT_BACKUP);
}
}
// Start playing the current playlist entry.
// Handle initialization and deinitialization.
static void play_current_file(struct MPContext *mpctx)
{
struct MPOpts *opts = mpctx->opts;
double playback_start = -1e100;
mpctx->initialized_flags |= INITIALIZED_PLAYBACK;
mp_notify(mpctx, MP_EVENT_START_FILE, NULL);
mp_flush_events(mpctx);
mpctx->stop_play = 0;
mpctx->filename = NULL;
mpctx->shown_aframes = 0;
mpctx->shown_vframes = 0;
if (mpctx->playlist->current)
mpctx->filename = mpctx->playlist->current->filename;
if (!mpctx->filename)
goto terminate_playback;
#if HAVE_ENCODING
encode_lavc_discontinuity(mpctx->encode_lavc_ctx);
#endif
mpctx->add_osd_seek_info &= OSD_SEEK_INFO_EDITION;
if (opts->reset_options) {
for (int n = 0; opts->reset_options[n]; n++) {
const char *opt = opts->reset_options[n];
if (opt[0]) {
if (strcmp(opt, "all") == 0) {
m_config_backup_all_opts(mpctx->mconfig);
} else {
m_config_backup_opt(mpctx->mconfig, opt);
}
}
}
}
mp_load_auto_profiles(mpctx);
if (opts->position_resume)
mp_load_playback_resume(mpctx, mpctx->filename);
load_per_file_options(mpctx->mconfig, mpctx->playlist->current->params,
mpctx->playlist->current->num_params);
if (!opts->consolecontrols)
getch2_disable();
#if HAVE_LIBASS
if (opts->ass_style_override)
ass_set_style_overrides(mpctx->ass_library, opts->ass_force_style_list);
#endif
MP_INFO(mpctx, "Playing: %s\n", mpctx->filename);
//============ Open & Sync STREAM --- fork cache2 ====================
assert(mpctx->stream == NULL);
assert(mpctx->demuxer == NULL);
assert(mpctx->d_audio == NULL);
assert(mpctx->d_video == NULL);
assert(mpctx->d_sub[0] == NULL);
assert(mpctx->d_sub[1] == NULL);
char *stream_filename = mpctx->filename;
mpctx->resolve_result = resolve_url(stream_filename, mpctx->global);
if (mpctx->resolve_result) {
print_resolve_contents(mpctx->log, mpctx->resolve_result);
if (mpctx->resolve_result->playlist) {
transfer_playlist(mpctx, mpctx->resolve_result->playlist);
goto terminate_playback;
}
stream_filename = mpctx->resolve_result->url;
}
mpctx->stream = stream_open(stream_filename, mpctx->global);
if (!mpctx->stream) { // error...
demux_was_interrupted(mpctx);
goto terminate_playback;
}
mpctx->initialized_flags |= INITIALIZED_STREAM;
mpctx->stream->start_pos += opts->seek_to_byte;
if (opts->stream_dump && opts->stream_dump[0]) {
stream_dump(mpctx);
goto terminate_playback;
}
// Must be called before enabling cache.
mp_nav_init(mpctx);
// 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_def_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);
goto_reopen_demuxer: ;
mp_nav_reset(mpctx);
//============ Open DEMUXERS --- DETECT file type =======================
mpctx->audio_delay = opts->audio_delay;
mpctx->demuxer = demux_open(mpctx->stream, opts->demuxer_name, NULL,
mpctx->global);
mpctx->master_demuxer = mpctx->demuxer;
if (!mpctx->demuxer) {
MP_ERR(mpctx, "Failed to recognize file format.\n");
goto terminate_playback;
}
MP_TARRAY_APPEND(NULL, mpctx->sources, mpctx->num_sources, mpctx->demuxer);
mpctx->initialized_flags |= INITIALIZED_DEMUXER;
if (mpctx->demuxer->playlist) {
if (mpctx->demuxer->stream->safe_origin || opts->load_unsafe_playlists) {
transfer_playlist(mpctx, mpctx->demuxer->playlist);
} else {
MP_ERR(mpctx, "\nThis looks like a playlist, but playlist support "
"will not be used automatically.\nThe main problem with "
"playlist safety is that playlist entries can be arbitrary,\n"
"and an attacker could make mpv poke around in your local "
"filesystem or network.\nUse --playlist=file or the "
"--load-unsafe-playlists option to load them anyway.\n");
}
goto terminate_playback;
}
if (mpctx->demuxer->matroska_data.ordered_chapters)
build_ordered_chapter_timeline(mpctx);
if (mpctx->demuxer->type == DEMUXER_TYPE_EDL)
build_mpv_edl_timeline(mpctx);
if (mpctx->demuxer->type == DEMUXER_TYPE_CUE)
build_cue_timeline(mpctx);
print_timeline(mpctx);
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);
add_subtitle_fonts_from_sources(mpctx);
// libass seems to misbehave if fonts are changed while a renderer
// exists, so we (re)create the renderer after fonts are set.
init_sub_renderer(mpctx);
open_subtitles_from_options(mpctx);
open_subtitles_from_resolve(mpctx);
open_audiofiles_from_options(mpctx);
check_previous_track_selection(mpctx);
mpctx->current_track[0][STREAM_VIDEO] =
select_track(mpctx, STREAM_VIDEO, mpctx->opts->video_id, NULL);
mpctx->current_track[0][STREAM_AUDIO] =
select_track(mpctx, STREAM_AUDIO, mpctx->opts->audio_id,
mpctx->opts->audio_lang);
mpctx->current_track[0][STREAM_SUB] =
select_track(mpctx, STREAM_SUB, mpctx->opts->sub_id,
mpctx->opts->sub_lang);
mpctx->current_track[1][STREAM_SUB] =
select_track(mpctx, STREAM_SUB, mpctx->opts->sub2_id, NULL);
for (int t = 0; t < STREAM_TYPE_COUNT; t++) {
for (int i = 0; i < NUM_PTRACKS; i++) {
struct track *track = mpctx->current_track[i][t];
if (track) {
if (track->selected) {
MP_ERR(mpctx, "Track %d can't be selected twice.\n",
track->user_tid);
mpctx->current_track[i][t] = NULL;
} else {
track->selected = true;
}
}
}
}
reselect_demux_streams(mpctx);
demux_info_print(mpctx->master_demuxer);
print_file_properties(mpctx);
#if HAVE_ENCODING
if (mpctx->encode_lavc_ctx && mpctx->current_track[0][STREAM_VIDEO])
encode_lavc_expect_stream(mpctx->encode_lavc_ctx, AVMEDIA_TYPE_VIDEO);
if (mpctx->encode_lavc_ctx && mpctx->current_track[0][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, 0);
reinit_subs(mpctx, 1);
//==================== START PLAYING =======================
if (!mpctx->d_video && !mpctx->d_audio) {
MP_FATAL(mpctx, "No video or audio streams selected.\n");
#if HAVE_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_RELOAD_DEMUXER;
mpctx->stream->start_pos = stream_tell(mpctx->stream);
}
}
#endif
goto terminate_playback;
}
MP_VERBOSE(mpctx, "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 (startpos == -1 && mpctx->resolve_result &&
mpctx->resolve_result->start_time > 0)
{
queue_seek(mpctx, MPSEEK_ABSOLUTE, mpctx->resolve_result->start_time, 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);
playback_start = mp_time_sec();
mpctx->error_playing = false;
while (!mpctx->stop_play)
run_playloop(mpctx);
MP_VERBOSE(mpctx, "EOF code: %d \n", mpctx->stop_play);
if (mpctx->stop_play == PT_RELOAD_DEMUXER) {
mpctx->stop_play = KEEP_PLAYING;
uninit_player(mpctx, INITIALIZED_ALL -
(INITIALIZED_PLAYBACK | INITIALIZED_STREAM |
(opts->fixed_vo ? INITIALIZED_VO : 0)));
goto goto_reopen_demuxer;
}
terminate_playback: // don't jump here after ao/vo/getch initialization!
mp_nav_destroy(mpctx);
if (mpctx->stop_play == KEEP_PLAYING)
mpctx->stop_play = AT_END_OF_FILE;
if (mpctx->stop_play != AT_END_OF_FILE)
clear_audio_output_buffers(mpctx);
if (opts->position_save_on_quit && mpctx->stop_play == PT_QUIT)
mp_write_watch_later_conf(mpctx);
if (mpctx->step_frames)
opts->pause = 1;
MP_INFO(mpctx, "\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?
if (mpctx->stop_play != PT_RESTART)
m_config_restore_backups(mpctx->mconfig);
if (opts->consolecontrols)
getch2_enable();
mpctx->filename = NULL;
talloc_free(mpctx->resolve_result);
mpctx->resolve_result = NULL;
// Played/paused for longer than 3 seconds -> ok
bool playback_short = mpctx->stop_play == AT_END_OF_FILE &&
(playback_start < 0 || mp_time_sec() - playback_start < 3.0);
bool init_failed = mpctx->stop_play == AT_END_OF_FILE &&
(mpctx->shown_aframes == 0 && mpctx->shown_vframes == 0);
if (mpctx->playlist->current && !mpctx->playlist->current_was_replaced) {
mpctx->playlist->current->playback_short = playback_short;
mpctx->playlist->current->init_failed = init_failed;
}
mp_notify(mpctx, MP_EVENT_TRACKS_CHANGED, NULL);
mp_notify(mpctx, MP_EVENT_END_FILE, NULL);
mp_flush_events(mpctx);
}
// Determine the next file to play. Note that if this function returns non-NULL,
// it can have side-effects and mutate mpctx.
// direction: -1 (previous) or +1 (next)
// force: if true, don't skip playlist entries marked as failed
struct playlist_entry *mp_next_file(struct MPContext *mpctx, int direction,
bool force)
{
struct playlist_entry *next = playlist_get_next(mpctx->playlist, direction);
if (next && direction < 0 && !force) {
// Don't jump to files that would immediately go to next file anyway
while (next && next->playback_short)
next = next->prev;
// Always allow jumping to first file
if (!next && mpctx->opts->loop_times < 0)
next = mpctx->playlist->first;
}
if (!next && mpctx->opts->loop_times >= 0) {
if (direction > 0) {
if (mpctx->opts->shuffle)
playlist_shuffle(mpctx->playlist);
next = mpctx->playlist->first;
if (next && mpctx->opts->loop_times > 1) {
mpctx->opts->loop_times--;
if (mpctx->opts->loop_times == 1)
mpctx->opts->loop_times = -1;
}
} else {
next = mpctx->playlist->last;
// Don't jump to files that would immediately go to next file anyway
while (next && next->playback_short)
next = next->prev;
}
if (!force && next && next->init_failed) {
// Don't endless loop if no file in playlist is playable
bool all_failed = true;
struct playlist_entry *cur;
for (cur = mpctx->playlist->first; cur; cur = cur->next) {
all_failed &= cur->init_failed;
if (!all_failed)
break;
}
if (all_failed)
next = NULL;
}
}
return next;
}
// Play all entries on the playlist, starting from the current entry.
// Return if all done.
void mp_play_files(struct MPContext *mpctx)
{
mpctx->quit_player_rc = EXIT_NONE;
for (;;) {
idle_loop(mpctx);
if (mpctx->stop_play == PT_QUIT)
break;
mpctx->error_playing = true;
play_current_file(mpctx);
if (mpctx->error_playing) {
if (!mpctx->quit_player_rc) {
mpctx->quit_player_rc = EXIT_NOTPLAYED;
} else if (mpctx->quit_player_rc == EXIT_PLAYED) {
mpctx->quit_player_rc = EXIT_SOMENOTPLAYED;
}
} else if (mpctx->quit_player_rc == EXIT_NOTPLAYED) {
mpctx->quit_player_rc = EXIT_SOMENOTPLAYED;
} else {
mpctx->quit_player_rc = EXIT_PLAYED;
}
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, false);
} 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;
}
}
// Abort current playback and set the given entry to play next.
// e must be on the mpctx->playlist.
void mp_set_playlist_entry(struct MPContext *mpctx, struct playlist_entry *e)
{
assert(playlist_entry_to_index(mpctx->playlist, e) >= 0);
mpctx->playlist->current = e;
mpctx->playlist->current_was_replaced = false;
mpctx->stop_play = PT_CURRENT_ENTRY;
}
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