[FFmpeg-cvslog] alacenc: do not set bits_per_coded_sample
Justin Ruggles
git at videolan.org
Sun Feb 12 01:34:07 CET 2012
ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Wed Feb 1 20:41:40 2012 -0500| [64fe3eaeb351582787cbef75a2fe160253663363] | committer: Justin Ruggles
alacenc: do not set bits_per_coded_sample
encoded ALAC does not have a fixed number of bits per sample
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=64fe3eaeb351582787cbef75a2fe160253663363
---
libavcodec/alacenc.c | 9 ++++-----
1 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index 8130542..9725be8 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -393,7 +393,6 @@ static av_cold int alac_encode_init(AVCodecContext *avctx)
uint8_t *alac_extradata = av_mallocz(ALAC_EXTRADATA_SIZE+1);
avctx->frame_size = DEFAULT_FRAME_SIZE;
- avctx->bits_per_coded_sample = DEFAULT_SAMPLE_SIZE;
if (avctx->sample_fmt != AV_SAMPLE_FMT_S16) {
av_log(avctx, AV_LOG_ERROR, "only pcm_s16 input samples are supported\n");
@@ -420,18 +419,18 @@ static av_cold int alac_encode_init(AVCodecContext *avctx)
s->rc.k_modifier = 14;
s->rc.rice_modifier = 4;
- s->max_coded_frame_size = 8 + (avctx->frame_size*avctx->channels*avctx->bits_per_coded_sample>>3);
+ s->max_coded_frame_size = 8 + (avctx->frame_size * avctx->channels * DEFAULT_SAMPLE_SIZE >> 3);
- s->write_sample_size = avctx->bits_per_coded_sample + avctx->channels - 1; // FIXME: consider wasted_bytes
+ s->write_sample_size = DEFAULT_SAMPLE_SIZE + avctx->channels - 1; // FIXME: consider wasted_bytes
AV_WB32(alac_extradata, ALAC_EXTRADATA_SIZE);
AV_WB32(alac_extradata+4, MKBETAG('a','l','a','c'));
AV_WB32(alac_extradata+12, avctx->frame_size);
- AV_WB8 (alac_extradata+17, avctx->bits_per_coded_sample);
+ AV_WB8 (alac_extradata+17, DEFAULT_SAMPLE_SIZE);
AV_WB8 (alac_extradata+21, avctx->channels);
AV_WB32(alac_extradata+24, s->max_coded_frame_size);
AV_WB32(alac_extradata+28,
- avctx->sample_rate * avctx->channels * avctx->bits_per_coded_sample); // average bitrate
+ avctx->sample_rate * avctx->channels * DEFAULT_SAMPLE_SIZE); // average bitrate
AV_WB32(alac_extradata+32, avctx->sample_rate);
// Set relevant extradata fields
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