On 11/29/17, Rostislav Pehlivanov <atomnu...@gmail.com> wrote:
> On 28 November 2017 at 19:55, Paul B Mahol <one...@gmail.com> wrote:
>
>> Decreases artifacts.
>>
>> Signed-off-by: Paul B Mahol <one...@gmail.com>
>> ---
>> libavcodec/mlpenc.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/libavcodec/mlpenc.c b/libavcodec/mlpenc.c
>> index c588f5b904..eceb0ddbb2 100644
>> --- a/libavcodec/mlpenc.c
>> +++ b/libavcodec/mlpenc.c
>> @@ -466,7 +466,7 @@ static void default_decoding_params(MLPEncodeContext
>> *ctx,
>> */
>> static int inline number_sbits(int number)
>> {
>> - if (number < 0)
>> + if (number <= 0)
>> number++;
>>
>> return av_log2(FFABS(number)) + 1 + !!number;
>> --
>> 2.11.0
>>
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>>
>
> Doesn't really seem to do anything to lossless check failures (not in 32
> bit mode either where most of the errors are, which is why its disabled).
> Which undefined shift does it fix?
result of this function can be 1 and it goes to be shifted as -1 in later calls.
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