avconv: make output -ss insert trim/atrim filters.
This makes output -ss sample-accurate for audio and will allow further simplication in the future.
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@ -14,7 +14,8 @@ version 10:
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- JPEG 2000 decoder
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- new asetpts filter (same as setpts, but for audio)
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- new trim and atrim filters
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- avconv -t option is now sample-accurate when transcoding audio
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- avconv -t and -ss (output-only) options are now sample-accurate when
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transcoding audio
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version 9:
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5
avconv.c
5
avconv.c
@ -681,11 +681,6 @@ static int poll_filter(OutputStream *ost)
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av_rescale_q(of->start_time,
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AV_TIME_BASE_Q,
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ost->st->codec->time_base);
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if (of->start_time && filtered_frame->pts < 0) {
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av_frame_unref(filtered_frame);
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return 0;
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}
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}
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switch (ost->filter->filter->inputs[0]->type) {
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@ -183,7 +183,7 @@ static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pa
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char filter_name[128];
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int ret = 0;
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if (of->recording_time == INT64_MAX)
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if (of->recording_time == INT64_MAX && !of->start_time)
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return 0;
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trim = avfilter_get_by_name(name);
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@ -199,8 +199,14 @@ static int insert_trim(OutputStream *ost, AVFilterContext **last_filter, int *pa
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if (!ctx)
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return AVERROR(ENOMEM);
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if (of->recording_time != INT64_MAX) {
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ret = av_opt_set_double(ctx, "duration", (double)of->recording_time / 1e6,
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AV_OPT_SEARCH_CHILDREN);
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}
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if (ret >= 0 && of->start_time) {
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ret = av_opt_set_double(ctx, "start", (double)of->start_time / 1e6,
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AV_OPT_SEARCH_CHILDREN);
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}
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if (ret < 0) {
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av_log(ctx, AV_LOG_ERROR, "Error configuring the %s filter", name);
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return ret;
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