[FFmpeg-devel] [PATCH v2] avcodec/mips: Fix failed case:hevc-conformance-AMP_A_Samsung_* when enable msa

[guxiwei-hf]

>tor 2018-12-20 klockan 10:53 +0800 skrev gxw:
>> The AV_INPUT_BUFFER_PADDING_SIZE has been increased to 64, but the value is still 32
>> in function ff_hevc_sao_edge_filter_8_msa. So, use AV_INPUT_BUFFER_PADDING_SIZE directly.
>> Fate tests passed.
>> ---
>>  libavcodec/mips/hevc_lpf_sao_msa.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/libavcodec/mips/hevc_lpf_sao_msa.c b/libavcodec/mips/hevc_lpf_sao_msa.c
>> index 5b5537a..b146bb1 100644
>> --- a/libavcodec/mips/hevc_lpf_sao_msa.c
>> +++ b/libavcodec/mips/hevc_lpf_sao_msa.c
>> @@ -2630,7 +2630,7 @@ void ff_hevc_sao_edge_filter_8_msa(uint8_t *dst, uint8_t *src,
>>                                     int16_t *sao_offset_val,
>>                                     int eo, int width, int height)
>>  {
>> -    ptrdiff_t stride_src = (2 * 64 + 32) / sizeof(uint8_t);
>> +    ptrdiff_t stride_src = (2 * 64 + AV_INPUT_BUFFER_PADDING_SIZE) / sizeof(uint8_t);
>
>Good catch. A comment where the 2 and 64 come from might be nice. or 8*8*sizeof(int16_t) maybe.
>
>/Tomas

Thanks for your advice, mybe I can change it to " ptrdiff_t stride_src = (2 *  MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE) / sizeof(uint8_t);" instead of using immediate data. The corresponding c code is like this.