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check if the user specified timestamps are strictly monotone

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timestamp guess code 10l fix

Originally committed as revision 3483 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-09-20 13:47:47 +00:00
parent 2c3cee348f
commit 9ebb8e1124
2 changed files with 17 additions and 3 deletions
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2
libavcodec/h263.c
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@ -2112,11 +2112,13 @@ void ff_set_mpeg4_time(MpegEncContext * s, int picture_number){
if(s->pict_type==B_TYPE){
s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
assert(s->pb_time > 0 && s->pb_time < s->pp_time);
}else{
s->last_time_base= s->time_base;
s->time_base= time_div;
s->pp_time= s->time - s->last_non_b_time;
s->last_non_b_time= s->time;
assert(s->pp_time > 0);
}
}

18
libavcodec/mpegvideo.c
View File

@ -902,6 +902,7 @@ int MPV_encode_init(AVCodecContext *avctx)
s->mpeg_quant= avctx->mpeg_quant;
s->rtp_mode= !!avctx->rtp_payload_size;
s->intra_dc_precision= avctx->intra_dc_precision;
s->user_specified_pts = AV_NOPTS_VALUE;
if (s->gop_size <= 1) {
s->intra_only = 1;
@ -1962,16 +1963,26 @@ static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
copy_picture_attributes(s, pic, pic_arg);
pic->display_picture_number= s->input_picture_number++;
if(pic->pts != AV_NOPTS_VALUE){
s->user_specified_pts= pic->pts;
if(s->user_specified_pts != AV_NOPTS_VALUE){
int64_t time= av_rescale(pic->pts, s->avctx->frame_rate, s->avctx->frame_rate_base*(int64_t)AV_TIME_BASE);
int64_t last= av_rescale(s->user_specified_pts, s->avctx->frame_rate, s->avctx->frame_rate_base*(int64_t)AV_TIME_BASE);
if(time <= last){
av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%Ld, last=%Ld\n", pic->pts, s->user_specified_pts);
return -1;
}
}
}else{
if(s->user_specified_pts){
if(s->user_specified_pts != AV_NOPTS_VALUE){
pic->pts= s->user_specified_pts + AV_TIME_BASE*(int64_t)s->avctx->frame_rate_base / s->avctx->frame_rate;
av_log(s->avctx, AV_LOG_INFO, "Warning: AVFrame.pts=? trying to guess (%Ld)\n", pic->pts);
}else{
pic->pts= av_rescale(pic->display_picture_number*(int64_t)s->avctx->frame_rate_base, AV_TIME_BASE, s->avctx->frame_rate);
}
}
s->user_specified_pts= pic->pts;
}
/* shift buffer entries */
@ -2139,7 +2150,8 @@ int MPV_encode_picture(AVCodecContext *avctx,
s->picture_in_gop_number++;
load_input_picture(s, pic_arg);
if(load_input_picture(s, pic_arg) < 0)
return -1;
select_input_picture(s);