> 在 2019年6月27日，下午4:37，Paul B Mahol <one...@gmail.com> 写道：
>
> On 6/27/19, Paul B Mahol <one...@gmail.com> wrote:
>> On 6/27/19, Steven Liu <l...@chinaffmpeg.org> wrote:
>>> Signed-off-by: Steven Liu <l...@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.
I remove it because i cannot found the caller for this API.
I think there should have one caller for this API, It will not be used if there
have no caller, Isn’t it?
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