On 04/17/2011 06:33 PM, Justin Ruggles wrote:
> On 04/17/2011 12:31 PM, Justin Ruggles wrote:
>
>> The number of dba segments is the coded value + 1.
>> The coupling dba offset starts at the first coupling band, not at zero.
>> ---
>> I finally got my hands on an AC-3 sample which uses delta bit allocation.
>> Unfortunately the Libav AC-3 decoder didn't decode it properly. This patch
>> fixes that.
>>
>> diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
>> index 396df87..208b40f 100644
>> --- a/libavcodec/ac3dec.c
>> +++ b/libavcodec/ac3dec.c
>> @@ -1065,7 +1065,7 @@ static int decode_audio_block(AC3DecodeContext *s, int
>> blk)
>> if (decode_exponents(gbc, s->exp_strategy[blk][ch],
>> s->num_exp_groups[ch], s->dexps[ch][0],
>> &s->dexps[ch][s->start_freq[ch]+!!ch])) {
>> - av_log(s->avctx, AV_LOG_ERROR, "exponent out-of-range\n");
>> + av_log(s->avctx, AV_LOG_ERROR, "exponent out-of-range
>> (blk=%d ch=%d)\n", blk, ch);
>
ok
--
Luca Barbato
Gentoo/linux
http://dev.gentoo.org/~lu_zero
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