static void demux_demuxers_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags) {
dd_priv_t* priv;
float pos;
priv=demuxer->priv;
priv->ad->stream->eof = 0;
priv->sd->stream->eof = 0;
// Seek video
demux_seek(priv->vd,rel_seek_secs,audio_delay,flags);
// Get the new pos
pos = demuxer->video->pts;
if (!pos) {
demux_fill_buffer(priv->vd, demuxer->video);
if (demuxer->video->first)
pos = demuxer->video->first->pts;
}
if(priv->ad != priv->vd && demuxer->audio->sh) {
sh_audio_t* sh = demuxer->audio->sh;
demux_seek(priv->ad,pos,audio_delay,1);
// In case the demuxer don't set pts
if(!demuxer->audio->pts)
demuxer->audio->pts = pos-((ds_tell_pts(demuxer->audio)-sh->a_in_buffer_len)/(float)sh->i_bps);
}
if(priv->sd != priv->vd)
demux_seek(priv->sd,pos,audio_delay,1);
}
static void reinit_subdec(struct MPContext *mpctx, struct track *track,
struct dec_sub *dec_sub)
{
struct MPOpts *opts = mpctx->opts;
if (sub_is_initialized(dec_sub))
return;
struct sh_video *sh_video =
mpctx->d_video ? mpctx->d_video->header->video : NULL;
int w = sh_video ? sh_video->disp_w : 0;
int h = sh_video ? sh_video->disp_h : 0;
float fps = sh_video ? sh_video->fps : 25;
init_sub_renderer(mpctx);
sub_set_video_res(dec_sub, w, h);
sub_set_video_fps(dec_sub, fps);
sub_set_ass_renderer(dec_sub, mpctx->ass_library, mpctx->ass_renderer,
&mpctx->ass_lock);
sub_init_from_sh(dec_sub, track->stream);
// 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 && !opts->sub_clear_on_seek) {
demux_seek(track->demuxer, 0, SEEK_ABSOLUTE);
track->preloaded = sub_read_all_packets(dec_sub, track->stream);
if (track->preloaded)
demux_stop_thread(track->demuxer);
}
}
static void demux_demuxers_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags) {
dd_priv_t* priv;
float pos;
priv=demuxer->priv;
priv->ad->stream->eof = 0;
priv->sd->stream->eof = 0;
// Seek video
demux_seek(priv->vd,rel_seek_secs,audio_delay,flags);
// Get the new pos
pos = demuxer->video->pts;
if (!pos) {
// since the video demuxer might provide multiple
// streams (e.g. subs) we might have to call
// demux_fill_buffer multiple times.
int limit = 10;
do {
demux_fill_buffer(priv->vd, demuxer->video);
} while (--limit && !demuxer->video->first);
if (demuxer->video->first)
pos = demuxer->video->first->pts;
}
if(priv->ad != priv->vd && demuxer->audio->sh) {
sh_audio_t* sh = demuxer->audio->sh;
demux_seek(priv->ad,pos,audio_delay,1);
// In case the demuxer don't set pts
if(!demuxer->audio->pts)
demuxer->audio->pts = pos-((ds_tell_pts(demuxer->audio)-sh->a_in_buffer_len)/(float)sh->i_bps);
}
if(priv->sd != priv->vd)
demux_seek(priv->sd,pos,audio_delay,1);
}
static void get_disc_lang(struct stream *stream, struct sh_stream *sh)
{
struct stream_lang_req req = {.type = sh->type, .id = sh->demuxer_id};
if (stream->uncached_type == STREAMTYPE_DVD && sh->type == STREAM_SUB)
req.id = req.id & 0x1F; // mpeg ID to index
stream_control(stream, STREAM_CTRL_GET_LANG, &req);
if (req.name[0])
sh->lang = talloc_strdup(sh, req.name);
}
static void add_dvd_streams(demuxer_t *demuxer)
{
struct priv *p = demuxer->priv;
struct stream *stream = demuxer->stream;
if (stream->uncached_type != STREAMTYPE_DVD)
return;
struct stream_dvd_info_req info;
if (stream_control(stream, STREAM_CTRL_GET_DVD_INFO, &info) > 0) {
for (int n = 0; n < MPMIN(32, info.num_subs); n++) {
struct sh_stream *sh = demux_alloc_sh_stream(STREAM_SUB);
sh->demuxer_id = n + 0x20;
sh->codec->codec = "dvd_subtitle";
get_disc_lang(stream, sh);
// p->streams _must_ match with p->slave->streams, so we can't add
// it yet - it has to be done when the real stream appears, which
// could be right on start, or any time later.
p->dvd_subs[n] = sh;
// emulate the extradata
struct mp_csp_params csp = MP_CSP_PARAMS_DEFAULTS;
struct mp_cmat cmatrix;
mp_get_csp_matrix(&csp, &cmatrix);
char *s = talloc_strdup(sh, "");
s = talloc_asprintf_append(s, "palette: ");
for (int i = 0; i < 16; i++) {
int color = info.palette[i];
int y[3] = {(color >> 16) & 0xff, (color >> 8) & 0xff, color & 0xff};
int c[3];
mp_map_fixp_color(&cmatrix, 8, y, 8, c);
color = (c[2] << 16) | (c[1] << 8) | c[0];
if (i != 0)
s = talloc_asprintf_append(s, ", ");
s = talloc_asprintf_append(s, "%06x", color);
}
s = talloc_asprintf_append(s, "\n");
sh->codec->extradata = s;
sh->codec->extradata_size = strlen(s);
demux_add_sh_stream(demuxer, sh);
}
}
}
static void add_streams(demuxer_t *demuxer)
{
struct priv *p = demuxer->priv;
for (int n = p->num_streams; n < demux_get_num_stream(p->slave); n++) {
struct sh_stream *src = demux_get_stream(p->slave, n);
if (src->type == STREAM_SUB) {
struct sh_stream *sub = NULL;
if (src->demuxer_id >= 0x20 && src->demuxer_id <= 0x3F)
sub = p->dvd_subs[src->demuxer_id - 0x20];
if (sub) {
assert(p->num_streams == n); // directly mapped
MP_TARRAY_APPEND(p, p->streams, p->num_streams, sub);
continue;
}
}
struct sh_stream *sh = demux_alloc_sh_stream(src->type);
assert(p->num_streams == n); // directly mapped
MP_TARRAY_APPEND(p, p->streams, p->num_streams, sh);
// Copy all stream fields that might be relevant
*sh->codec = *src->codec;
sh->demuxer_id = src->demuxer_id;
if (src->type == STREAM_VIDEO) {
double ar;
if (stream_control(demuxer->stream, STREAM_CTRL_GET_ASPECT_RATIO, &ar)
== STREAM_OK)
{
struct mp_image_params f = {.w = src->codec->disp_w,
.h = src->codec->disp_h};
mp_image_params_set_dsize(&f, 1728 * ar, 1728);
sh->codec->par_w = f.p_w;
sh->codec->par_h = f.p_h;
}
}
get_disc_lang(demuxer->stream, sh);
demux_add_sh_stream(demuxer, sh);
}
reselect_streams(demuxer);
}
static void d_seek(demuxer_t *demuxer, double rel_seek_secs, int flags)
{
struct priv *p = demuxer->priv;
if (demuxer->stream->uncached_type == STREAMTYPE_CDDA) {
demux_seek(p->slave, rel_seek_secs, flags);
return;
}
double pts = p->seek_pts;
if (flags & SEEK_ABSOLUTE)
pts = 0.0f;
double base_pts = pts; // to what pts is relative
if (flags & SEEK_FACTOR) {
double tmp = 0;
stream_control(demuxer->stream, STREAM_CTRL_GET_TIME_LENGTH, &tmp);
pts += tmp * rel_seek_secs;
} else {
pts += rel_seek_secs;
}
MP_VERBOSE(demuxer, "seek to: %f\n", pts);
double seek_arg[] = {pts, base_pts, flags};
stream_control(demuxer->stream, STREAM_CTRL_SEEK_TO_TIME, seek_arg);
demux_control(p->slave, DEMUXER_CTRL_RESYNC, NULL);
p->seek_pts = pts;
p->seek_reinit = true;
}
static void reset_pts(demuxer_t *demuxer)
{
struct priv *p = demuxer->priv;
double base;
if (stream_control(demuxer->stream, STREAM_CTRL_GET_CURRENT_TIME, &base) < 1)
base = 0;
MP_VERBOSE(demuxer, "reset to time: %f\n", base);
p->base_dts = p->last_dts = MP_NOPTS_VALUE;
p->base_time = base;
p->seek_reinit = false;
}
static int d_fill_buffer(demuxer_t *demuxer)
{
struct priv *p = demuxer->priv;
struct demux_packet *pkt = demux_read_any_packet(p->slave);
if (!pkt)
return 0;
demux_update(p->slave);
if (p->seek_reinit)
reset_pts(demuxer);
add_streams(demuxer);
if (pkt->stream >= p->num_streams) { // out of memory?
talloc_free(pkt);
return 0;
}
struct sh_stream *sh = p->streams[pkt->stream];
if (!demux_stream_is_selected(sh)) {
talloc_free(pkt);
return 1;
}
if (demuxer->stream->uncached_type == STREAMTYPE_CDDA) {
demux_add_packet(sh, pkt);
return 1;
}
MP_TRACE(demuxer, "ipts: %d %f %f\n", sh->type, pkt->pts, pkt->dts);
if (sh->type == STREAM_SUB) {
if (p->base_dts == MP_NOPTS_VALUE)
MP_WARN(demuxer, "subtitle packet along PTS reset\n");
} else if (pkt->dts != MP_NOPTS_VALUE) {
// Use the very first DTS to rebase the start time of the MPEG stream
// to the playback time.
if (p->base_dts == MP_NOPTS_VALUE)
p->base_dts = pkt->dts;
if (p->last_dts == MP_NOPTS_VALUE)
p->last_dts = pkt->dts;
if (fabs(p->last_dts - pkt->dts) >= DTS_RESET_THRESHOLD) {
MP_WARN(demuxer, "PTS discontinuity: %f->%f\n", p->last_dts, pkt->dts);
p->base_time += p->last_dts - p->base_dts;
p->base_dts = pkt->dts - pkt->duration;
}
p->last_dts = pkt->dts;
}
if (p->base_dts != MP_NOPTS_VALUE) {
double delta = -p->base_dts + p->base_time;
if (pkt->pts != MP_NOPTS_VALUE)
pkt->pts += delta;
if (pkt->dts != MP_NOPTS_VALUE)
pkt->dts += delta;
}
MP_TRACE(demuxer, "opts: %d %f %f\n", sh->type, pkt->pts, pkt->dts);
if (pkt->pts != MP_NOPTS_VALUE)
p->seek_pts = pkt->pts;
demux_add_packet(sh, pkt);
return 1;
}
static void add_stream_chapters(struct demuxer *demuxer)
{
int num = 0;
if (stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_CHAPTERS, &num) < 1)
return;
for (int n = 0; n < num; n++) {
double p = n;
if (stream_control(demuxer->stream, STREAM_CTRL_GET_CHAPTER_TIME, &p) < 1)
continue;
demuxer_add_chapter(demuxer, "", p, 0);
}
}
void
video_callback(mvp_widget_t *widget, char key)
{
int jump;
long long offset, size;
pts_sync_data_t async, vsync;
av_state_t state;
/*
printf("**SSDEBUG: In video_callback and got key %d \n",key);
*/
if (!video_playing)
return;
if(showing_guide) {
if(mvp_tvguide_callback(widget, key) == 1)
return;
}
if ( video_functions->key != NULL ) {
if ( video_functions->key(key) == 1 ) {
return;
}
}
switch (key) {
case MVPW_KEY_GO:
case MVPW_KEY_GUIDE:
if(showing_guide == 0 && showing_guide == 0) {
printf("In %s showing guide %d \n",__FUNCTION__, key);
showing_guide = 1;
mvp_tvguide_video_topright(1);
mvp_tvguide_show(mythtv_livetv_program_list, mythtv_livetv_description,
mythtv_livetv_clock);
break;
}
/* if the guide button is pressed while guide is active fall through to go back to remove guide and return to TV */
case MVPW_KEY_TV:
if(showing_guide == 1) {
printf("In %s hiding guide %d \n", __FUNCTION__, key);
showing_guide = 0;
mvp_tvguide_video_topright(0);
mvp_tvguide_hide(mythtv_livetv_program_list, mythtv_livetv_description,
mythtv_livetv_clock);
}
break;
case MVPW_KEY_STOP:
case MVPW_KEY_EXIT:
back_to_guide_menu();
new_live_tv = 0;
break;
case MVPW_KEY_PAUSE:
if (av_pause()) {
mvpw_show(pause_widget);
mvpw_hide(ffwd_widget);
paused = 1;
if (pause_osd && !display_on && (display_on_alt < 2)) {
display_on_alt = 2;
enable_osd();
}
screensaver_enable();
} else {
if (pause_osd && !display_on &&
(display_on_alt == 2)) {
display_on_alt = 0;
disable_osd();
mvpw_expose(root);
}
av_get_state(&state);
if (state.mute)
mvpw_show(mute_widget);
else
mvpw_hide(mute_widget);
mvpw_hide(pause_widget);
paused = 0;
screensaver_disable();
}
break;
case MVPW_KEY_PLAY:
if ( paused ) {
/*
* play key can be used to un-pause
*/
av_pause();
if (pause_osd && !display_on &&
(display_on_alt == 2)) {
display_on_alt = 0;
disable_osd();
mvpw_expose(root);
}
mvpw_hide(pause_widget);
mvpw_hide(mute_widget);
paused = 0;
screensaver_disable();
}
break;
case MVPW_KEY_REPLAY:
seek_by(-30);
timed_osd(seek_osd_timeout*1000);
break;
case MVPW_KEY_REWIND:
seek_by(-10);
timed_osd(seek_osd_timeout*1000);
break;
case MVPW_KEY_SKIP:
if (mythtv_seek_amount == 0 ) {
seek_by(30);
}
else if (mythtv_seek_amount == 1 ) {
seek_by(60);
}
else {
seek_by(30);
}
timed_osd(seek_osd_timeout*1000);
break;
case MVPW_KEY_FFWD:
if (av_ffwd() == 0) {
demux_flush(handle);
demux_seek(handle);
av_get_state(&state);
av_stop();
av_reset();
if (state.mute) {
av_set_mute(1);
}
av_play();
mvpw_hide(ffwd_widget);
} else {
av_get_state(&state);
mvpw_show(ffwd_widget);
mvpw_hide(pause_widget);
screensaver_disable();
}
timed_osd(seek_osd_timeout*1000);
break;
case MVPW_KEY_LEFT:
if (video_functions->seek) {
size = video_functions->size();
jump_target = -1;
jumping = 1;
if (video_write_thread) {
pthread_kill(video_write_thread, SIGURG);
}
if (audio_write_thread) {
pthread_kill(audio_write_thread, SIGURG);
}
offset = video_functions->seek(0, SEEK_CUR);
jump_target = ((-size / 100.0) + offset);
pthread_cond_broadcast(&video_cond);
}
break;
case MVPW_KEY_RIGHT:
if (video_functions->seek) {
size = video_functions->size();
jump_target = -1;
jumping = 1;
if (video_write_thread) {
pthread_kill(video_write_thread, SIGURG);
}
if (audio_write_thread) {
pthread_kill(audio_write_thread, SIGURG);
}
offset = video_functions->seek(0, SEEK_CUR);
jump_target = ((size / 100.0) + offset);
pthread_cond_broadcast(&video_cond);
timed_osd(seek_osd_timeout*1000);
}
break;
case MVPW_KEY_ZERO ... MVPW_KEY_NINE:
if(new_live_tv) {
printf("In %s showing guide %d \n",__FUNCTION__, key);
showing_guide = 1;
mvp_tvguide_video_topright(1);
mvp_tvguide_show(mythtv_livetv_program_list, mythtv_livetv_description,
mythtv_livetv_clock);
mvp_tvguide_callback(widget, key);
}
else if (mythtv_livetv) {
back_to_guide_menu();
mythtv_key_callback(mythtv_browser, key);
}
else {
size = video_functions->size();
jump_target = -1;
jumping = 1;
if (video_write_thread) {
pthread_kill(video_write_thread, SIGURG);
}
if (audio_write_thread) {
pthread_kill(audio_write_thread, SIGURG);
}
jump = key;
jump_target = size * (jump / 10.0);
pthread_cond_broadcast(&video_cond);
timed_osd(seek_osd_timeout*1000);
}
break;
case MVPW_KEY_MENU:
mvpw_show(popup_menu);
mvpw_focus(popup_menu);
break;
case MVPW_KEY_MUTE:
if (mvpw_visible(ffwd_widget)) {
mvpw_hide(mute_widget);
break;
}
if (av_mute() == 1) {
mvpw_show(mute_widget);
} else {
mvpw_hide(mute_widget);
}
break;
case MVPW_KEY_BLANK:
case MVPW_KEY_OK:
if (display_on || display_on_alt) {
disable_osd();
mvpw_expose(root);
display_on = 1;
display_on_alt = 0;
} else {
enable_osd();
}
display_on = !display_on;
break;
case MVPW_KEY_FULL:
case MVPW_KEY_PREV_CHAN:
if(IS_4x3(av_get_tv_aspect())) {
if(av_get_tv_aspect() == AV_TV_ASPECT_4x3_CCO)
av_set_tv_aspect(AV_TV_ASPECT_4x3);
else
av_set_tv_aspect(AV_TV_ASPECT_4x3_CCO);
}
break;
case MVPW_KEY_CHAN_UP:
case MVPW_KEY_UP:
if (mythtv_livetv)
mythtv_channel_up();
break;
case MVPW_KEY_CHAN_DOWN:
case MVPW_KEY_DOWN:
if (mythtv_livetv)
mythtv_channel_down();
break;
case MVPW_KEY_RECORD:
/*
* XXX: This is a temporary hack until we figure out how
* to tell when the audio and video are out of sync,
* and correct it automatically.
*/
av_get_audio_sync(&async);
av_get_video_sync(&vsync);
printf("PRE SYNC: a 0x%"PRIx64" 0x%"PRIx64" v 0x%"PRIx64" 0x%"PRIx64"\n",
async.stc, async.pts, vsync.stc, vsync.pts);
av_delay_video(1000);
av_get_audio_sync(&async);
av_get_video_sync(&vsync);
printf("POST SYNC: a 0x%"PRIx64" 0x%"PRIx64" v 0x%"PRIx64" 0x%"PRIx64"\n",
async.stc, async.pts, vsync.stc, vsync.pts);
break;
case MVPW_KEY_VOL_UP:
case MVPW_KEY_VOL_DOWN:
volume_key_callback(volume_dialog, key);
mvpw_show(volume_dialog);
mvpw_set_timer(volume_dialog, timer_hide, 3000);
break;
default:
PRINTF("button %d\n", key);
break;
}
}
void*
video_read_start(void *arg)
{
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
int ret;
int n = 0, len = 0, reset = 1;
int sent_idle_notify;
demux_attr_t *attr;
video_info_t *vi;
int set_aspect = 1;
char *inbuf = inbuf_static;
char *tsbuf;
int tslen;
int tsmode = TS_MODE_UNKNOWN;
av_state_t state;
pthread_mutex_lock(&mutex);
printf("mpeg read thread started (pid %d)\n", getpid());
pthread_cond_wait(&video_cond, &mutex);
while (1) {
sent_idle_notify = 0;
while (!video_playing) {
demux_reset(handle);
ts_demux_reset(tshandle);
demux_seek(handle);
vid_event_discontinuity_possible();
if ( !(sent_idle_notify) ) {
if ( video_functions != NULL &&
video_functions->notify != NULL ) {
video_functions->notify(MVP_READ_THREAD_IDLE);
}
printf("mpeg read thread sleeping...\n");
sent_idle_notify = 1;
}
pthread_cond_wait(&video_cond, &mutex);
TRC("%s: past pthread_cond_wait(&video_cond, &mutex)\n", __FUNCTION__);
}
#ifdef STREAM_TEST
if ( stream_test_started == 0 ) {
stream_test_started = 1;
//Get start time
gettimeofday(&start_tv, NULL);
}
#endif
if (video_reopen) {
vid_event_clear();
if (video_functions->open() == 0) {
/* Jump to the start of the new file */
jump_target = 0;
jumping = 1;
video_reopen = 0;
tsmode = TS_MODE_UNKNOWN;
} else {
fprintf(stderr, "video open failed!\n");
video_playing = 0;
continue;
}
len = 0;
reset = 1;
set_aspect = 1;
}
if ((seeking && reset) || jumping) {
demux_reset(handle);
ts_demux_reset(tshandle);
demux_seek(handle);
av_get_state(&state);
av_reset();
av_reset_stc();
vid_event_discontinuity_possible();
if (seeking)
reset = 0;
if (state.mute)
av_set_mute(1);
if (paused) {
av_play();
paused = 0;
mvpw_hide(pause_widget);
screensaver_disable();
}
pcm_decoded = 0;
ac3len = 0;
len = 0;
if (jumping) {
while (jump_target < 0)
usleep(1000);
video_functions->seek(jump_target, SEEK_SET);
}
jumping = 0;
}
if ( !video_playing ) {
continue;
}
if (len == 0) {
if ( video_functions->read_dynb != NULL ){
tslen = video_functions->read_dynb(&tsbuf, 1024 * 256);
}
else {
tsbuf = tsbuf_static;
do {
tslen = video_functions->read(tsbuf,
sizeof(tsbuf_static));
} while ( tslen==-1 && errno==EAGAIN);
}
thruput_count += tslen;
inbuf = inbuf_static;
if (tsmode == TS_MODE_UNKNOWN) {
if (tslen > 0) {
tsmode = ts_demux_is_ts(tshandle, tsbuf, tslen);
printf("auto detection transport stream returned %d\n", tsmode);
if (tsmode == TS_MODE_NO)
len = tslen;
}
} else if (tsmode == TS_MODE_NO) {
len = tslen;
} else {
len = ts_demux_transform(tshandle, tsbuf, tslen, inbuf, sizeof(inbuf_static));
int resyncs = ts_demux_resync_count(tshandle);
if (resyncs > 50) {
printf("resync count = %d, switch back to unknown mode\n", resyncs);
tsmode = TS_MODE_UNKNOWN;
ts_demux_reset(tshandle);
}
}
n = 0;
if (len == 0 && playlist ) {
video_reopen = 2;
playlist_next();
}
}
if ( !video_playing ) {
continue;
}
#ifdef STREAM_TEST
stream_test_cnt += len;
len = 0;
if ( stream_test_cnt > 1024*1024*20 ) {
unsigned int delta_ms;
gettimeofday(&done_tv, NULL);
if ( done_tv.tv_usec < start_tv.tv_usec ) {
done_tv.tv_usec += 1000000;
done_tv.tv_sec -= 1;
}
delta_ms = (done_tv.tv_sec - start_tv.tv_sec) * 1000;
delta_ms += (done_tv.tv_usec - start_tv.tv_usec) / 1000;
printf("Test Done\n");
printf("Bytes transferred: %u\n", stream_test_cnt);
printf("Elapsed time %u mS\n", delta_ms);
while ( 1 ) {
sleep(10);
printf("Test Done....\n");
}
}
continue;
#else
if (tsmode == TS_MODE_YES)
ret = DEMUX_PUT(handle, inbuf+n, len-n);
else
ret = DEMUX_PUT(handle, tsbuf+n, len-n);
#endif
if ((ret <= 0) && (!seeking)) {
pthread_cond_broadcast(&video_cond);
usleep(1000);
continue;
}
if (seeking) {
if (do_seek()) {
len = 0;
continue;
} else {
reset = 1;
}
}
n += ret;
if (n == len)
len = 0;
pthread_cond_broadcast(&video_cond);
attr = demux_get_attr(handle);
vi = &attr->video.stats.info.video;
if (attr->audio.type != audio_type) {
audio_type = attr->audio.type;
switch (audio_type) {
case AUDIO_MODE_AC3:
if (audio_output_mode == AUD_OUTPUT_PASSTHRU ) {
if (av_set_audio_output(AV_AUDIO_AC3) < 0) {
/* revert to downmixing */
audio_output_mode = AUD_OUTPUT_STEREO;
// fall through to PCM
} else {
// don't set audio_type
audio_output = AV_AUDIO_AC3;
printf("switch to AC3 Passthru\n");
break;
}
}
case AUDIO_MODE_PCM:
audio_output = AV_AUDIO_PCM;
printf("switch to PCM audio output device\n");
break;
default:
av_set_audio_type(audio_type);
audio_output = AV_AUDIO_MPEG;
printf("switch to MPEG audio output device\n");
break;
}
av_set_audio_output(audio_output);
} else {
if (audio_type==AUDIO_MODE_AC3){
sync_ac3_audio();
}
}
} //while
return NULL;
}
int
file_open(void)
{
seeking = 1;
audio_selected = 0;
audio_checks = 0;
if ( http_playing == HTTP_FILE_CLOSED ) {
if (video_reopen == 1)
audio_clear();
close(fd);
fd = -1;
}
if (video_write_thread) {
pthread_kill(video_write_thread, SIGURG);
}
if (audio_write_thread) {
pthread_kill(audio_write_thread, SIGURG);
}
if ( http_playing == HTTP_FILE_CLOSED ) {
if (gui_state != MVPMC_STATE_EMULATE) {
fd=open(current, O_RDONLY|O_LARGEFILE);
} else {
fd = open("/tmp/FIFO", O_RDONLY);
}
if (fd < 0) {
printf("Open failed errno %d file %s\n",
errno, current);
video_reopen = 0;
return -1;
}
printf("opened %s\n", current);
} else {
printf("http opened %s\n", current);
}
if (video_reopen == 1) {
av_set_audio_output(AV_AUDIO_MPEG);
fd_audio = av_get_audio_fd();
av_play();
demux_reset(handle);
ts_demux_reset(tshandle);
demux_attr_reset(handle);
demux_seek(handle);
vid_event_discontinuity_possible();
if (gui_state == MVPMC_STATE_EMULATE || http_playing == HTTP_VIDEO_FILE_MPG) {
video_thumbnail(AV_THUMBNAIL_OFF, 0);
} else {
video_thumbnail(AV_THUMBNAIL_EIGTH, 0);
}
av_play();
}
zoomed = 0;
display_on = 0;
seeking = 0;
jumping = 0;
audio_type = 0;
pcm_decoded = 0;
ac3len = 0;
video_reopen = 0;
pthread_cond_broadcast(&video_cond);
printf("write threads released\n");
return 0;
}
static int
do_seek(void)
{
demux_attr_t *attr;
int seconds, new_seek_Bps;
long long offset;
struct timeval now, delta;
static int count = 0;
count++;
attr = demux_get_attr(handle);
gettimeofday(&now, NULL);
timersub(&now, &seek_timeval, &delta);
/*
* Give up after 2 seconds
*/
if ((delta.tv_sec >= 2) && seeking) {
seeking = 0;
printf("SEEK ABORTED (%lu.%.2lu) %d\n",
delta.tv_sec, delta.tv_usec/10000, count);
count = 0;
return 0;
}
if (!attr->gop_valid) {
if ( --seek_attempts > 0 ) {
PRINTF("GOP retry\n");
return -1;
}
printf("SEEK RETRY due to lack of GOP\n");
demux_flush(handle);
demux_seek(handle);
seek_attempts = 16;
return -1;
}
if (pts_seek_attempts > 0) {
seconds = attr->gop.pts/PTS_HZ;
} else if (gop_seek_attempts > 0) {
seconds = (attr->gop.hour * 3600) +
(attr->gop.minute * 60) + attr->gop.second;
} else {
seconds = 0;
}
/*
* Recompute Bps from actual time and position differences
* provided the time difference is big enough
*/
if ( abs(seconds - seek_start_seconds) > SEEK_FUDGE ) {
offset = video_functions->seek(0, SEEK_CUR);
new_seek_Bps = (offset - seek_start_pos) /
(seconds - seek_start_seconds);
if ( new_seek_Bps > 10000 ) /* Sanity check */
seek_Bps = new_seek_Bps;
}
PRINTF("New Bps %d\n", seek_Bps);
if ( abs(seconds - seek_seconds) <= SEEK_FUDGE ) {
seeking = 0;
printf("SEEK DONE: to %d at %d (%lu.%.2lu) %d\n",
seek_seconds, seconds,
delta.tv_sec, delta.tv_usec/10000, count);
} else {
offset = video_functions->seek(0, SEEK_CUR);
PRINTF("RESEEK: From %lld + %d\n", offset,
seek_Bps * (seek_seconds-seconds));
offset = video_functions->seek(seek_Bps * (seek_seconds-seconds), SEEK_CUR);
demux_flush(handle);
demux_seek(handle);
seek_attempts--;
PRINTF("SEEKING 1: %d/%d %lld\n",
seconds, seek_seconds, offset);
return -1;
}
count = 0;
return 0;
}
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);
struct sh_stream *sh = mpctx->sh[STREAM_SUB];
// No track selected, or lazily added DVD track (will actually be created
// on first sub packet)
if (!sh)
return;
if (!sh->sub->dec_sub) {
assert(!mpctx->d_sub);
sh->sub->dec_sub = sub_create(mpctx->global);
}
assert(!mpctx->d_sub || sh->sub->dec_sub == mpctx->d_sub);
// The decoder is kept in the stream header in order to make ordered
// chapters work well.
mpctx->d_sub = sh->sub->dec_sub;
mpctx->initialized_flags |= INITIALIZED_SUB;
struct dec_sub *dec_sub = mpctx->d_sub;
assert(dec_sub);
if (!sub_is_initialized(dec_sub)) {
struct sh_video *sh_video =
mpctx->d_video ? mpctx->d_video->header->video : NULL;
int w = sh_video ? sh_video->disp_w : 0;
int h = sh_video ? sh_video->disp_h : 0;
float fps = sh_video ? 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->ass_library, mpctx->ass_renderer);
sub_init_from_sh(dec_sub, sh);
// 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, SEEK_ABSOLUTE);
track->preloaded = sub_read_all_packets(dec_sub, sh);
}
}
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);
}
