Encoding alac with more than two channels is not supported.

007f7739 · Carl Eugen Hoyos · f1b3f33d · 007f7739
Commit 007f7739 authored May 20, 2011 by Carl Eugen Hoyos
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alacenc.c libavcodec/alacenc.c +5 -0

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--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -389,6 +389,11 @@ static av_cold int alac_encode_init(AVCodecContext *avctx)
        return -1;
    }

+    if(avctx->channels > 2) {
+        av_log(avctx, AV_LOG_ERROR, "channels > 2 not supported\n");
+        return AVERROR_PATCHWELCOME;
+    }
+
    // Set default compression level
    if(avctx->compression_level == FF_COMPRESSION_DEFAULT)
        s->compression_level = 2;