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mpegpsenc: restructure SCR handling 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-04 19:44:27 +01:00
parent f2214c6224
commit 84aba8eed9
1 changed files with 12 additions and 6 deletions
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18
libavformat/mpegenc.c
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@ -482,7 +482,7 @@ static int mpeg_mux_init(AVFormatContext *ctx)
stream->packet_number = 0;
}
s->system_header_size = get_system_header_size(ctx);
s->last_scr = 0;
s->last_scr = AV_NOPTS_VALUE;
return 0;
fail:
for(i=0;i<ctx->nb_streams;i++) {
@ -1061,12 +1061,18 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt)
pts= pkt->pts;
dts= pkt->dts;
if(pts != AV_NOPTS_VALUE) pts += 2*preload;
if(dts != AV_NOPTS_VALUE){
if(!s->last_scr)
s->last_scr= dts + preload;
dts += 2*preload;
if (s->last_scr == AV_NOPTS_VALUE) {
if (dts == AV_NOPTS_VALUE ) {
s->last_scr = 0;
} else {
s->last_scr = dts + preload;
s->preload *= 2;
}
}
preload = av_rescale(s->preload, 90000, AV_TIME_BASE);
if (dts != AV_NOPTS_VALUE) dts += preload;
if (pts != AV_NOPTS_VALUE) pts += preload;
av_dlog(ctx, "dts:%f pts:%f flags:%d stream:%d nopts:%d\n",
dts / 90000.0, pts / 90000.0, pkt->flags,