From: Pierre-Anthony Lemieux <p...@palemieux.com>
As discussed at https://trac.ffmpeg.org/ticket/9818, the IMF demuxer does not
currently preserve stream information such as language in the case of audio
streams. This patch is modeled on copy_stream_props() at avformat/concatdec.c.
---
libavformat/imfdec.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/imfdec.c b/libavformat/imfdec.c
index 71dfb26958..7aa66a06bf 100644
--- a/libavformat/imfdec.c
+++ b/libavformat/imfdec.c
@@ -580,11 +580,16 @@ static int
set_context_streams_from_tracks(AVFormatContext *s)
return AVERROR(ENOMEM);
}
asset_stream->id = i;
+ asset_stream->r_frame_rate = first_resource_stream->r_frame_rate;
+ asset_stream->avg_frame_rate = first_resource_stream->avg_frame_rate;
+ asset_stream->sample_aspect_ratio =
first_resource_stream->sample_aspect_ratio;
ret = avcodec_parameters_copy(asset_stream->codecpar,
first_resource_stream->codecpar);
if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Could not copy stream parameters\n");
return ret;
}
+ av_dict_copy(&asset_stream->metadata, first_resource_stream->metadata,
0);
+ ff_stream_side_data_copy(asset_stream, first_resource_stream);
avpriv_set_pts_info(asset_stream,
first_resource_stream->pts_wrap_bits,
first_resource_stream->time_base.num,
--
2.25.1
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