[FFmpeg-devel] [PATCH]Never favour an audio stream with 0 channels in av_find_best_stream

[Carl Eugen Hoyos]

Hi!

Attached patch fixes ticket #3311 for me.

Please comment, Carl Eugen
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diff --git a/libavformat/utils.c b/libavformat/utils.c
index 3f4446d..c530511 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3263,6 +3263,8 @@ int av_find_best_stream(AVFormatContext *ic,
             continue;
         if (st->disposition & (AV_DISPOSITION_HEARING_IMPAIRED|AV_DISPOSITION_VISUAL_IMPAIRED))
             continue;
+        if (type == AVMEDIA_TYPE_AUDIO && !avctx->channels)
+            continue;
         if (decoder_ret) {
             decoder = find_decoder(ic, st, st->codec->codec_id);
             if (!decoder) {