From 3d10a8904d638b10036228f439755e79a15e02d4 Mon Sep 17 00:00:00 2001
From: Jai Menon <jmenon86@gmail.com>
Date: Tue, 21 Apr 2009 17:52:52 +0000
Subject: [PATCH] Read extended channel configuration when extended AOT is
BSAC.
Originally committed as revision 18644 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/mpeg4audio.c | 2 ++
libavcodec/mpeg4audio.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/libavcodec/mpeg4audio.c b/libavcodec/mpeg4audio.c
index 792f41d9e26..91ea2b7c9b3 100644
--- a/libavcodec/mpeg4audio.c
+++ b/libavcodec/mpeg4audio.c
@@ -61,6 +61,8 @@ int ff_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_si
c->sbr = 1;
c->ext_sample_rate = get_sample_rate(&gb, &c->ext_sampling_index);
c->object_type = get_object_type(&gb);
+ if (c->object_type == AOT_ER_BSAC)
+ c->ext_chan_config = get_bits(&gb, 4);
} else {
c->ext_object_type = 0;
c->ext_sample_rate = 0;
diff --git a/libavcodec/mpeg4audio.h b/libavcodec/mpeg4audio.h
index 70076e7e818..b149362f0e4 100644
--- a/libavcodec/mpeg4audio.h
+++ b/libavcodec/mpeg4audio.h
@@ -33,6 +33,7 @@ typedef struct {
int ext_object_type;
int ext_sampling_index;
int ext_sample_rate;
+ int ext_chan_config;
} MPEG4AudioConfig;
extern const int ff_mpeg4audio_sample_rates[16];
--
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