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Make sure that start_display_time is 0 by moving its value onto pts.

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If it was not 0, subtitle encoding would fail.

Originally committed as revision 19710 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-08-26 08:43:11 +00:00
parent 44ed34b790
commit 8b03c014f0
1 changed files with 5 additions and 1 deletions
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6
ffmpeg.c
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@ -826,6 +826,10 @@ static void do_subtitle_out(AVFormatContext *s,
for(i = 0; i < nb; i++) {
sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
// start_display_time is required to be 0
sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
sub->end_display_time -= sub->start_display_time;
sub->start_display_time = 0;
subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
subtitle_out_max_size, sub);
if (subtitle_out_size < 0) {
@ -837,7 +841,7 @@ static void do_subtitle_out(AVFormatContext *s,
pkt.stream_index = ost->index;
pkt.data = subtitle_out;
pkt.size = subtitle_out_size;
pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
/* XXX: the pts correction is handled here. Maybe handling
it in the codec would be better */