Hi,

On Sat, Mar 24, 2012 at 5:57 PM, Justin Ruggles
<[email protected]> wrote:
> On 03/18/2012 10:33 PM, Ronald S. Bultje wrote:
>
>> ---
>>  libavcodec/dpcm.c |   58 
>> ++++++++++++++++++++++++++++------------------------
>>  1 files changed, 31 insertions(+), 27 deletions(-)
>>
>> diff --git a/libavcodec/dpcm.c b/libavcodec/dpcm.c
> [...]
>> @@ -293,9 +296,10 @@ static int dpcm_decode_frame(AVCodecContext *avctx, 
>> void *data,
>>      }
>>      case CODEC_ID_SOL_DPCM:
>>          if (avctx->codec_tag != 3) {
>> -            uint8_t *output_samples_u8 = s->frame.data[0];
>> -            while (buf < buf_end) {
>> -                uint8_t n = *buf++;
>> +            uint8_t *output_samples_u8 = s->frame.data[0],
>> +                    *samples_end_u8 = output_samples_u8 + out;
>> +            while (output_samples_u8 < samples_end_u8) {
>> +                int n = bytestream2_get_byteu(&gb);
>>
>>                  s->sample[0] += s->sol_table[n >> 4];
>>                  s->sample[0]  = av_clip_uint8(s->sample[0]);
>> @@ -306,8 +310,8 @@ static int dpcm_decode_frame(AVCodecContext *avctx, void 
>> *data,
>>                  *output_samples_u8++ = s->sample[stereo];
>>              }
>
>
> Since that loop writes 2 samples in each iteration, could you add a
> check againse samples_end_u8 in-between just to be sure?
>
> The rest LGTM.

The number of samples is always even (see n_samples calculation).

Ronald
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