mirror of https://git.ffmpeg.org/ffmpeg.git
lavf/concat: compute duration if possible.
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9b211c43dc
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c31458c334
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@ -157,6 +157,7 @@ static int concat_read_header(AVFormatContext *avf)
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unsigned nb_files_alloc = 0;
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ConcatFile *file = NULL;
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AVStream *st, *source_st;
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int64_t time = 0;
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while (1) {
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if ((ret = ff_get_line(avf->pb, buf, sizeof(buf))) <= 0)
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@ -207,6 +208,18 @@ static int concat_read_header(AVFormatContext *avf)
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if (ret < 0)
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FAIL(ret);
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for (i = 0; i < cat->nb_files; i++) {
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if (cat->files[i].start_time == AV_NOPTS_VALUE)
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cat->files[i].start_time = time;
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else
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time = cat->files[i].start_time;
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if (cat->files[i].duration == AV_NOPTS_VALUE)
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break;
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time += cat->files[i].duration;
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}
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if (i == cat->nb_files)
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avf->duration = time;
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if ((ret = open_file(avf, 0)) < 0)
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FAIL(ret);
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for (i = 0; i < cat->avf->nb_streams; i++) {
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