[SCM] libav/experimental: aacenc: mark SBR absent
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 17:22:27 UTC 2013
The following commit has been merged in the experimental branch:
commit 8ae0fa243e1f7a03cb5f23e2d9a32d3cc88b4def
Author: Alex Converse <alex.converse at gmail.com>
Date: Sat Jan 22 05:23:43 2011 +0000
aacenc: mark SBR absent
Use backwards compatible explicit signalling to denote the absence of
SBR.
Signed-off-by: Janne Grunau <janne-ffmpeg at jannau.net>
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
index c52ffa0..f8f0eb4 100644
--- a/libavcodec/aacenc.c
+++ b/libavcodec/aacenc.c
@@ -149,6 +149,11 @@ static void put_audio_specific_config(AVCodecContext *avctx)
put_bits(&pb, 1, 0); //frame length - 1024 samples
put_bits(&pb, 1, 0); //does not depend on core coder
put_bits(&pb, 1, 0); //is not extension
+
+ //Explicitly Mark SBR absent
+ put_bits(&pb, 11, 0x27b); //sync extension
+ put_bits(&pb, 5, AOT_SBR);
+ put_bits(&pb, 1, 0);
flush_put_bits(&pb);
}
@@ -193,8 +198,8 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
s->samples = av_malloc(2 * 1024 * avctx->channels * sizeof(s->samples[0]));
s->cpe = av_mallocz(sizeof(ChannelElement) * aac_chan_configs[avctx->channels-1][0]);
- avctx->extradata = av_mallocz(2 + FF_INPUT_BUFFER_PADDING_SIZE);
- avctx->extradata_size = 2;
+ avctx->extradata = av_mallocz(5 + FF_INPUT_BUFFER_PADDING_SIZE);
+ avctx->extradata_size = 5;
put_audio_specific_config(avctx);
sizes[0] = swb_size_1024[i];
--
Libav/FFmpeg packaging
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