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player: refactor: eliminate MPContext.d_sub 

The same is going to happen to d_video and d_audio later.
This commit is contained in:
wm4 2016-01-17 16:56:32 +01:00
parent 24fc176dfb
commit 004bc95263
5 changed files with 75 additions and 63 deletions
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3
player/command.c
View File

@ -4564,7 +4564,8 @@ int run_command(struct MPContext *mpctx, struct mp_cmd *cmd, struct mpv_node *re
case MP_CMD_SUB_SEEK: {
if (!mpctx->playback_initialized)
return -1;
struct dec_sub *sub = mpctx->d_sub[0];
struct track *track = mpctx->current_track[0][STREAM_SUB];
struct dec_sub *sub = track ? track->d_sub : NULL;
double refpts = get_current_time(mpctx);
if (sub && refpts != MP_NOPTS_VALUE) {
double a[2];

8
player/core.h
View File

@ -142,7 +142,7 @@ struct track {
struct sh_stream *stream;
// Current subtitle state (or cached state if selected==false).
struct dec_sub *dec_sub;
struct dec_sub *d_sub;
// For external subtitles, which are read fully on init. Do not attempt
// to read packets from them.
@ -261,7 +261,6 @@ typedef struct MPContext {
struct dec_video *d_video;
struct dec_audio *d_audio;
struct dec_sub *d_sub[2];
// Uses: accessing metadata (consider ordered chapters case, where the main
// demuxer defines metadata), or special purpose demuxers like TV.
@ -517,8 +516,9 @@ void mp_load_scripts(struct MPContext *mpctx);
// sub.c
void reset_subtitle_state(struct MPContext *mpctx);
void reinit_subs(struct MPContext *mpctx, int order);
void uninit_sub(struct MPContext *mpctx, int order);
void reinit_sub(struct MPContext *mpctx, struct track *track);
void reinit_sub_all(struct MPContext *mpctx);
void uninit_sub(struct MPContext *mpctx, struct track *track);
void uninit_sub_all(struct MPContext *mpctx);
void update_osd_msg(struct MPContext *mpctx);
bool update_subtitles(struct MPContext *mpctx, double video_pts);

32
player/loadfile.c
View File

@ -60,8 +60,7 @@
static void uninit_demuxer(struct MPContext *mpctx)
{
assert(!mpctx->d_video && !mpctx->d_audio &&
!mpctx->d_sub[0] && !mpctx->d_sub[1]);
assert(!mpctx->d_video && !mpctx->d_audio);
for (int r = 0; r < NUM_PTRACKS; r++) {
for (int t = 0; t < STREAM_TYPE_COUNT; t++)
mpctx->current_track[r][t] = NULL;
@ -78,7 +77,7 @@ static void uninit_demuxer(struct MPContext *mpctx)
mp_remove_track(mpctx, mpctx->tracks[n]);
}
for (int i = 0; i < mpctx->num_tracks; i++) {
sub_destroy(mpctx->tracks[i]->dec_sub);
sub_destroy(mpctx->tracks[i]->d_sub);
talloc_free(mpctx->tracks[i]);
}
mpctx->num_tracks = 0;
@ -336,15 +335,14 @@ bool timeline_switch_to_time(struct MPContext *mpctx, double pts)
track->user_tid - 1);
}
if (track->dec_sub) {
if (track->d_sub) {
for (int order = 0; order < 2; order++) {
if (mpctx->d_sub[order] == track->dec_sub) {
mpctx->d_sub[order] = NULL;
struct track *cur = mpctx->current_track[order][STREAM_SUB];
if (cur && cur->d_sub == track->d_sub)
osd_set_sub(mpctx->osd, OSDTYPE_SUB + order, NULL);
}
}
sub_destroy(track->dec_sub);
track->dec_sub = NULL;
sub_destroy(track->d_sub);
track->d_sub = NULL;
}
}
}
@ -579,13 +577,10 @@ void mp_switch_track_n(struct MPContext *mpctx, int order, enum stream_type type
clear_audio_output_buffers(mpctx);
uninit_audio_chain(mpctx);
uninit_audio_out(mpctx);
} else if (type == STREAM_SUB) {
uninit_sub(mpctx, 0);
}
} else if (order == 1) {
if (type == STREAM_SUB)
uninit_sub(mpctx, 1);
}
if (type == STREAM_SUB)
uninit_sub(mpctx, current);
if (current)
current->selected = false;
@ -609,7 +604,7 @@ void mp_switch_track_n(struct MPContext *mpctx, int order, enum stream_type type
} else if (type == STREAM_AUDIO && order == 0) {
reinit_audio_chain(mpctx);
} else if (type == STREAM_SUB && order >= 0 && order <= 2) {
reinit_subs(mpctx, order);
reinit_sub(mpctx, track);
}
mp_notify(mpctx, MPV_EVENT_TRACK_SWITCHED, NULL);
@ -658,7 +653,7 @@ bool mp_remove_track(struct MPContext *mpctx, struct track *track)
struct demuxer *d = track->demuxer;
sub_destroy(track->dec_sub);
sub_destroy(track->d_sub);
int index = 0;
while (index < mpctx->num_tracks && mpctx->tracks[index] != track)
@ -1095,8 +1090,6 @@ reopen_file:
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);
if (process_open_hooks(mpctx) < 0)
goto terminate_playback;
@ -1197,8 +1190,7 @@ reopen_file:
reinit_video_chain(mpctx);
reinit_audio_chain(mpctx);
reinit_subs(mpctx, 0);
reinit_subs(mpctx, 1);
reinit_sub_all(mpctx);
MP_VERBOSE(mpctx, "Starting playback...\n");

3
player/playloop.c
View File

@ -239,8 +239,7 @@ static int mp_seek(MPContext *mpctx, struct seek_params seek,
if (timeline_switch_to_time(mpctx, seek.amount)) {
reinit_video_chain(mpctx);
reinit_audio_chain(mpctx);
reinit_subs(mpctx, 0);
reinit_subs(mpctx, 1);
reinit_sub_all(mpctx);
}
int demuxer_style = 0;

92
player/sub.c
View File

@ -38,43 +38,58 @@
#include "core.h"
static void reset_subtitles(struct MPContext *mpctx, int order)
// 0: primary sub, 1: secondary sub, -1: not selected
static int get_order(struct MPContext *mpctx, struct track *track)
{
if (mpctx->d_sub[order])
sub_reset(mpctx->d_sub[order]);
for (int n = 0; n < NUM_PTRACKS; n++) {
if (mpctx->current_track[n][STREAM_SUB] == track)
return n;
}
return -1;
}
static void reset_subtitles(struct MPContext *mpctx, struct track *track)
{
if (track->d_sub)
sub_reset(track->d_sub);
term_osd_set_subs(mpctx, NULL);
}
void reset_subtitle_state(struct MPContext *mpctx)
{
reset_subtitles(mpctx, 0);
reset_subtitles(mpctx, 1);
for (int n = 0; n < mpctx->num_tracks; n++) {
struct dec_sub *d_sub = mpctx->tracks[n]->d_sub;
if (d_sub)
sub_reset(d_sub);
}
term_osd_set_subs(mpctx, NULL);
}
void uninit_sub(struct MPContext *mpctx, int order)
void uninit_sub(struct MPContext *mpctx, struct track *track)
{
if (mpctx->d_sub[order]) {
reset_subtitles(mpctx, order);
sub_select(mpctx->d_sub[order], false);
mpctx->d_sub[order] = NULL; // not destroyed
osd_set_sub(mpctx->osd, OSDTYPE_SUB + order, NULL);
if (track && track->d_sub) {
reset_subtitles(mpctx, track);
sub_select(track->d_sub, false);
int order = get_order(mpctx, track);
if (order >= 0 && order <= 1)
osd_set_sub(mpctx->osd, OSDTYPE_SUB + order, NULL);
reselect_demux_streams(mpctx);
}
}
void uninit_sub_all(struct MPContext *mpctx)
{
uninit_sub(mpctx, 0);
uninit_sub(mpctx, 1);
for (int n = 0; n < mpctx->num_tracks; n++)
uninit_sub(mpctx, mpctx->tracks[n]);
}
static bool update_subtitle(struct MPContext *mpctx, double video_pts, int order)
static bool update_subtitle(struct MPContext *mpctx, double video_pts,
struct track *track)
{
struct MPOpts *opts = mpctx->opts;
struct track *track = mpctx->current_track[order][STREAM_SUB];
struct dec_sub *dec_sub = mpctx->d_sub[order];
struct dec_sub *dec_sub = track ? track->d_sub : NULL;
if (!track || !dec_sub || video_pts == MP_NOPTS_VALUE)
if (!dec_sub || video_pts == MP_NOPTS_VALUE)
return true;
if (mpctx->vo_chain) {
@ -91,7 +106,7 @@ static bool update_subtitle(struct MPContext *mpctx, double video_pts, int order
}
// Handle displaying subtitles on terminal; never done for secondary subs
if (order == 0 && !mpctx->video_out)
if (mpctx->current_track[0][STREAM_SUB] == track && !mpctx->video_out)
term_osd_set_subs(mpctx, sub_get_text(dec_sub, video_pts));
return true;
@ -101,34 +116,36 @@ static bool update_subtitle(struct MPContext *mpctx, double video_pts, int order
// should wait for new demuxer data, and then should retry.
bool update_subtitles(struct MPContext *mpctx, double video_pts)
{
return update_subtitle(mpctx, video_pts, 0) &
update_subtitle(mpctx, video_pts, 1);
bool ok = true;
for (int n = 0; n < NUM_PTRACKS; n++)
ok &= update_subtitle(mpctx, video_pts, mpctx->current_track[n][STREAM_SUB]);
return ok;
}
static bool init_subdec(struct MPContext *mpctx, struct track *track)
{
struct MPOpts *opts = mpctx->opts;
assert(!track->dec_sub);
assert(!track->d_sub);
if (!track->demuxer || !track->stream)
return false;
track->dec_sub = sub_create(mpctx->global, track->demuxer, track->stream);
if (!track->dec_sub)
track->d_sub = sub_create(mpctx->global, track->demuxer, track->stream);
if (!track->d_sub)
return false;
struct mp_codec_params *v_c =
mpctx->d_video ? mpctx->d_video->header->codec : NULL;
double fps = v_c ? v_c->fps : 25;
sub_control(track->dec_sub, SD_CTRL_SET_VIDEO_DEF_FPS, &fps);
sub_control(track->d_sub, SD_CTRL_SET_VIDEO_DEF_FPS, &fps);
// 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->is_external && !opts->sub_clear_on_seek) {
demux_seek(track->demuxer, 0, SEEK_ABSOLUTE);
track->preloaded = sub_read_all_packets(track->dec_sub);
track->preloaded = sub_read_all_packets(track->d_sub);
if (track->preloaded)
demux_stop_thread(track->demuxer);
}
@ -136,22 +153,25 @@ static bool init_subdec(struct MPContext *mpctx, struct track *track)
return true;
}
void reinit_subs(struct MPContext *mpctx, int order)
void reinit_sub(struct MPContext *mpctx, struct track *track)
{
assert(!mpctx->d_sub[order]);
struct track *track = mpctx->current_track[order][STREAM_SUB];
if (!track)
if (!track || !track->stream || track->stream->type != STREAM_SUB)
return;
if (!track->dec_sub && !init_subdec(mpctx, track)) {
if (!track->d_sub && !init_subdec(mpctx, track)) {
error_on_track(mpctx, track);
return;
}
sub_select(track->dec_sub, true);
osd_set_sub(mpctx->osd, OSDTYPE_SUB + order, track->dec_sub);
sub_control(track->dec_sub, SD_CTRL_SET_TOP, &(bool){!!order});
mpctx->d_sub[order] = track->dec_sub;
sub_select(track->d_sub, true);
int order = get_order(mpctx, track);
if (order >= 0 && order <= 1)
osd_set_sub(mpctx->osd, OSDTYPE_SUB + order, track->d_sub);
sub_control(track->d_sub, SD_CTRL_SET_TOP, &(bool){!!order});
}
void reinit_sub_all(struct MPContext *mpctx)
{
for (int n = 0; n < NUM_PTRACKS; n++)
reinit_sub(mpctx, mpctx->current_track[n][STREAM_SUB]);
}