alacenc: do not generate invalid multi-channel ALAC files

This commit is contained in:
Justin Ruggles 2011-12-07 12:04:21 -05:00
parent e76c7b856f
commit 149e1b0468

View File

@ -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;