---
libavcodec/aacdec.c | 12 +++++++++---
1 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index 374616e..5db5476 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -2313,8 +2313,9 @@ static inline uint32_t latm_get_value(GetBitContext *b)
static int latm_decode_audio_specific_config(struct LATMContext *latmctx,
GetBitContext *gb, int asclen)
{
- AVCodecContext *avctx = latmctx->aac_ctx.avctx;
- MPEG4AudioConfig m4ac;
+ AACContext *ac = &latmctx->aac_ctx;
+ AVCodecContext *avctx = ac->avctx;
+ MPEG4AudioConfig m4ac = {0};
int config_start_bit = get_bits_count(gb);
int bits_consumed, esize;
int ebc_ps = 1;
@@ -2337,9 +2338,13 @@ static int latm_decode_audio_specific_config(struct
LATMContext *latmctx,
if (bits_consumed < 0)
return AVERROR_INVALIDDATA;
+ if (ac->m4ac.sample_rate != m4ac.sample_rate ||
+ ac->m4ac.chan_config != m4ac.chan_config) {
+ latmctx->initialized = 0;
+
esize = (bits_consumed+7) / 8;
- if (avctx->extradata_size <= esize) {
+ if (avctx->extradata_size < esize) {
av_free(avctx->extradata);
avctx->extradata = av_malloc(esize + FF_INPUT_BUFFER_PADDING_SIZE);
if (!avctx->extradata)
@@ -2349,6 +2354,7 @@ static int latm_decode_audio_specific_config(struct
LATMContext *latmctx,
avctx->extradata_size = esize;
memcpy(avctx->extradata, gb->buffer + (config_start_bit/8), esize);
memset(avctx->extradata+esize, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ }
skip_bits_long(gb, bits_consumed);
}
--
1.7.7
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