[FFmpeg-devel] [PATCH v1] avfilter/vf_vaguedenoiser: use fabsf() instead of FFABS()

Paul B Mahol onemda at gmail.com
Wed Nov 6 20:05:52 EET 2019


Pointless change.

On 11/6/19, Limin Wang <lance.lmwang at gmail.com> wrote:
> On Wed, Nov 06, 2019 at 11:11:08AM +0100, Carl Eugen Hoyos wrote:
>> Am Mi., 6. Nov. 2019 um 10:31 Uhr schrieb <lance.lmwang at gmail.com>:
>> >
>> > From: Limin Wang <lance.lmwang at gmail.com>
>> >
>> > Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
>> > ---
>> >  libavfilter/vf_vaguedenoiser.c | 6 +++---
>> >  1 file changed, 3 insertions(+), 3 deletions(-)
>> >
>> > diff --git a/libavfilter/vf_vaguedenoiser.c
>> > b/libavfilter/vf_vaguedenoiser.c
>> > index a68f7626e6..75a58c363b 100644
>> > --- a/libavfilter/vf_vaguedenoiser.c
>> > +++ b/libavfilter/vf_vaguedenoiser.c
>> > @@ -335,7 +335,7 @@ static void hard_thresholding(float *block, const
>> > int width, const int height,
>> >
>> >      for (y = 0; y < height; y++) {
>> >          for (x = 0; x < width; x++) {
>> > -            if (FFABS(block[x]) <= threshold)
>> > +            if (fabsf(block[x]) <= threshold)
>> >                  block[x] *= frac;
>> >          }
>> >          block += stride;
>> > @@ -359,7 +359,7 @@ static void soft_thresholding(float *block, const
>> > int width, const int height, c
>> >      for (y = 0; y < height; y++) {
>> >          const int x0 = (y < h) ? w : 0;
>> >          for (x = x0; x < width; x++) {
>> > -            const float temp = FFABS(block[x]);
>> > +            const float temp = fabsf(block[x]);
>> >              if (temp <= threshold)
>> >                  block[x] *= frac;
>> >              else
>> > @@ -380,7 +380,7 @@ static void qian_thresholding(float *block, const
>> > int width, const int height,
>> >
>> >      for (y = 0; y < height; y++) {
>> >          for (x = 0; x < width; x++) {
>> > -            const float temp = FFABS(block[x]);
>> > +            const float temp = fabsf(block[x]);
>> >              if (temp <= threshold) {
>> >                  block[x] *= frac;
>> >              } else {
>>
>> Please add a sentence to the commit message that explains why this
>> change is a good idea.
>
> block is float type, so I think it's better to use fabsf, isn't right?
>
>>
>> Carl Eugen
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