On 7/31/2022 5:37 PM, p...@sandflow.com wrote:
diff --git a/libavformat/avformat.c b/libavformat/avformat.c
index 30d6ea6a49..1d0ac5ab7e 100644
--- a/libavformat/avformat.c
+++ b/libavformat/avformat.c
@@ -235,6 +235,47 @@ int ff_stream_side_data_copy(AVStream *dst, const AVStream
*src)
return 0;
}
+int ff_stream_params_copy(AVStream *dst, const AVStream *src)
+{
+ int ret;
+
+ dst->id = src->id;
+ dst->time_base = src->time_base;
+ dst->start_time = src->start_time;
+ dst->duration = src->duration;
+ dst->nb_frames = src->nb_frames;
+ dst->disposition = src->disposition;
+ dst->discard = src->discard;
+ dst->sample_aspect_ratio = src->sample_aspect_ratio;
+ dst->avg_frame_rate = src->avg_frame_rate;
+ dst->event_flags = src->event_flags;
+ dst->r_frame_rate = src->r_frame_rate;
+ dst->pts_wrap_bits = src->pts_wrap_bits;
+
+ av_dict_free(&dst->metadata);
+ ret = av_dict_copy(&dst->metadata, src->metadata, 0);
+ if (ret < 0)
+ return ret;
+
+ ret = avcodec_parameters_copy(dst->codecpar, src->codecpar);
+ if (ret < 0)
+ return ret;
+
+ ret = ff_stream_side_data_copy(dst, src);
+ if (ret < 0)
+ return ret;
+
+ if (src->attached_pic.size > 0) {
+ ret = av_packet_ref(&dst->attached_pic, &src->attached_pic);
+ if (ret < 0)
+ return ret;
+ } else {
+ av_packet_unref(&dst->attached_pic);
This would need to be called unconditionally, like you did for
dst->metadata, and just if src->attached_pic is empty.
+ }
+
+ return 0;
+}
+
AVProgram *av_new_program(AVFormatContext *ac, int id)
{
AVProgram *program = NULL;
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