[FFmpeg-devel] [PATCH 1/3] avcodec/cfhd: remove unused function

[Paul B Mahol]

On 6/27/19, Paul B Mahol <onemda at gmail.com> wrote:
> On 6/27/19, Steven Liu <lq at chinaffmpeg.org> wrote:
>> Signed-off-by: Steven Liu <lq at chinaffmpeg.org>
>> ---
>>  libavcodec/cfhd.c | 14 --------------
>>  1 file changed, 14 deletions(-)
>>
>> diff --git a/libavcodec/cfhd.c b/libavcodec/cfhd.c
>> index 846d334b9b..616f5af193 100644
>> --- a/libavcodec/cfhd.c
>> +++ b/libavcodec/cfhd.c
>> @@ -136,20 +136,6 @@ static inline void peak_table(int16_t *band, Peak
>> *peak, int length)
>>              band[i] = bytestream2_get_le16(&peak->base);
>>  }
>>
>> -static inline void process_alpha(int16_t *alpha, int width)
>> -{
>> -    int i, channel;
>> -    for (i = 0; i < width; i++) {
>> -        channel   = alpha[i];
>> -        channel  -= ALPHA_COMPAND_DC_OFFSET;
>> -        channel <<= 3;
>> -        channel  *= ALPHA_COMPAND_GAIN;
>> -        channel >>= 16;
>> -        channel   = av_clip_uintp2(channel, 12);
>> -        alpha[i]  = channel;
>> -    }
>> -}
>> -
>>  static inline void filter(int16_t *output, ptrdiff_t out_stride,
>>                            int16_t *low, ptrdiff_t low_stride,
>>                            int16_t *high, ptrdiff_t high_stride,
>> --
>> 2.17.2 (Apple Git-113)
>>
>>
>>
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>
> NAK
>

This code is needed for processing alpha, and should not be removed.