1. ffmpeg
  2. Commit 81d6d520c050695ad842b2da690839298ed7e104
Browse code

always handle negative timestamp differences as timestamp discontinuity

Originally committed as revision 9984 to svn://svn.ffmpeg.org/ffmpeg/trunk

Michael Niedermayer authored on 2007/08/09 03:54:33
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ffmpeg.c
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@@ -1922,8 +1922,9 @@ static int av_encode(AVFormatContext **output_files,
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 //        fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
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         if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
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-            int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
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-            if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
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+            int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
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+            int64_t delta= pkt_dts - ist->next_pts;
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+            if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
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                 input_files_ts_offset[ist->file_index]-= delta;
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                 if (verbose > 2)
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                     fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);