---
libavcodec/alacenc.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index 7e29a24..e7977b3 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -391,6 +391,14 @@ static av_cold int alac_encode_init(AVCodecContext *avctx)
return -1;
}
+ /* TODO: Correctly implement multi-channel ALAC.
+ It is similar to multi-channel AAC, in that it has a series of
+ single-channel (SCE), channel-pair (CPE), and LFE elements. */
+ if (avctx->channels > 2) {
+ av_log(avctx, AV_LOG_ERROR, "only mono or stereo input is currently
supported\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
// Set default compression level
if (avctx->compression_level == FF_COMPRESSION_DEFAULT)
s->compression_level = 2;
--
1.7.1
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