[FFmpeg-devel] [PATCH v2 4/5] avfilter/vf_lut3d: simplify code

Paul B Mahol onemda at gmail.com
Wed Oct 30 16:34:59 EET 2019


lgtm

On 10/30/19, lance.lmwang at gmail.com <lance.lmwang at gmail.com> wrote:
> From: Limin Wang <lance.lmwang at gmail.com>
>
> Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> ---
>  libavfilter/vf_lut3d.c | 54 +++++-------------------------------------
>  1 file changed, 6 insertions(+), 48 deletions(-)
>
> diff --git a/libavfilter/vf_lut3d.c b/libavfilter/vf_lut3d.c
> index cd0aba1f69..9e820a17c9 100644
> --- a/libavfilter/vf_lut3d.c
> +++ b/libavfilter/vf_lut3d.c
> @@ -711,34 +711,13 @@ static int query_formats(AVFilterContext *ctx)
>
>  static int config_input(AVFilterLink *inlink)
>  {
> -    int depth, is16bit = 0, planar = 0;
> +    int depth, is16bit, planar;
>      LUT3DContext *lut3d = inlink->dst->priv;
>      const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
>
>      depth = desc->comp[0].depth;
> -
> -    switch (inlink->format) {
> -    case AV_PIX_FMT_RGB48:
> -    case AV_PIX_FMT_BGR48:
> -    case AV_PIX_FMT_RGBA64:
> -    case AV_PIX_FMT_BGRA64:
> -        is16bit = 1;
> -        break;
> -    case AV_PIX_FMT_GBRP9:
> -    case AV_PIX_FMT_GBRP10:
> -    case AV_PIX_FMT_GBRP12:
> -    case AV_PIX_FMT_GBRP14:
> -    case AV_PIX_FMT_GBRP16:
> -    case AV_PIX_FMT_GBRAP10:
> -    case AV_PIX_FMT_GBRAP12:
> -    case AV_PIX_FMT_GBRAP16:
> -        is16bit = 1;
> -    case AV_PIX_FMT_GBRP:
> -    case AV_PIX_FMT_GBRAP:
> -        planar = 1;
> -        break;
> -    }
> -
> +    is16bit = desc->comp[0].depth > 8;
> +    planar = desc->flags & AV_PIX_FMT_FLAG_PLANAR;
>      ff_fill_rgba_map(lut3d->rgba_map, inlink->format);
>      lut3d->step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
>
> @@ -1558,34 +1537,13 @@ DEFINE_INTERP_FUNC_1D(spline,      16)
>
>  static int config_input_1d(AVFilterLink *inlink)
>  {
> -    int depth, is16bit = 0, planar = 0;
> +    int depth, is16bit, planar;
>      LUT1DContext *lut1d = inlink->dst->priv;
>      const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
>
>      depth = desc->comp[0].depth;
> -
> -    switch (inlink->format) {
> -    case AV_PIX_FMT_RGB48:
> -    case AV_PIX_FMT_BGR48:
> -    case AV_PIX_FMT_RGBA64:
> -    case AV_PIX_FMT_BGRA64:
> -        is16bit = 1;
> -        break;
> -    case AV_PIX_FMT_GBRP9:
> -    case AV_PIX_FMT_GBRP10:
> -    case AV_PIX_FMT_GBRP12:
> -    case AV_PIX_FMT_GBRP14:
> -    case AV_PIX_FMT_GBRP16:
> -    case AV_PIX_FMT_GBRAP10:
> -    case AV_PIX_FMT_GBRAP12:
> -    case AV_PIX_FMT_GBRAP16:
> -        is16bit = 1;
> -    case AV_PIX_FMT_GBRP:
> -    case AV_PIX_FMT_GBRAP:
> -        planar = 1;
> -        break;
> -    }
> -
> +    is16bit = desc->comp[0].depth > 8;
> +    planar = desc->flags & AV_PIX_FMT_FLAG_PLANAR;
>      ff_fill_rgba_map(lut1d->rgba_map, inlink->format);
>      lut1d->step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
>
> --
> 2.21.0
>
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