Never favour an audio stream with 0 channels in av_find_best_stream().

Fixes ticket #3311.

Never favour an audio stream with 0 channels in av_find_best_stream().
Fixes ticket #3311.
cb36e441 · Carl Eugen Hoyos · 11329370 · cb36e441
Commit cb36e441 authored Jan 15, 2014 by Carl Eugen Hoyos
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utils.c libavformat/utils.c +2 -0

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--- 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) {