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| author | Timothy Gu <timothygu99@gmail.com> | 2016-02-13 23:23:17 +0000 |
|---|---|---|
| committer | Timothy Gu <timothygu99@gmail.com> | 2016-02-14 08:57:05 -0800 |
| commit | ba25936df589c62b097f799ed751973ebeac42b2 (patch) | |
| tree | 270dae50913aebaa14291b627a82e2f445bcf835 /libavfilter/vf_blend.c | |
| parent | 4c44972f992908917f1030124ea1aba608850f13 (diff) | |
| download | ffmpeg-ba25936df589c62b097f799ed751973ebeac42b2.tar.gz | |
vf_blend: Templatize identity function and use a better name
Diffstat (limited to 'libavfilter/vf_blend.c')
| -rw-r--r-- | libavfilter/vf_blend.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/libavfilter/vf_blend.c b/libavfilter/vf_blend.c index 2b734b4f35..c24013dcbb 100644 --- a/libavfilter/vf_blend.c +++ b/libavfilter/vf_blend.c @@ -118,15 +118,21 @@ static const AVOption blend_options[] = { AVFILTER_DEFINE_CLASS(blend); -static void blend_normal(const uint8_t *top, ptrdiff_t top_linesize, - const uint8_t *bottom, ptrdiff_t bottom_linesize, - uint8_t *dst, ptrdiff_t dst_linesize, - ptrdiff_t width, ptrdiff_t start, ptrdiff_t end, - FilterParams *param, double *values) -{ - av_image_copy_plane(dst, dst_linesize, top, top_linesize, width, end - start); +#define COPY(src) \ +static void blend_copy ## src(const uint8_t *top, ptrdiff_t top_linesize, \ + const uint8_t *bottom, ptrdiff_t bottom_linesize,\ + uint8_t *dst, ptrdiff_t dst_linesize, \ + ptrdiff_t width, ptrdiff_t start, ptrdiff_t end, \ + FilterParams *param, double *values) \ +{ \ + av_image_copy_plane(dst, dst_linesize, src, src ## _linesize, \ + width, end - start); \ } +COPY(top) + +#undef COPY + static void blend_normal_8bit(const uint8_t *top, ptrdiff_t top_linesize, const uint8_t *bottom, ptrdiff_t bottom_linesize, uint8_t *dst, ptrdiff_t dst_linesize, @@ -505,7 +511,7 @@ static int config_output(AVFilterLink *outlink) case BLEND_MULTIPLY: param->blend = is_16bit ? blend_multiply_16bit : blend_multiply_8bit; break; case BLEND_MULTIPLY128:param->blend = is_16bit ? blend_multiply128_16bit: blend_multiply128_8bit;break; case BLEND_NEGATION: param->blend = is_16bit ? blend_negation_16bit : blend_negation_8bit; break; - case BLEND_NORMAL: param->blend = param->opacity == 1 ? blend_normal: + case BLEND_NORMAL: param->blend = param->opacity == 1 ? blend_copytop : is_16bit ? blend_normal_16bit : blend_normal_8bit; break; case BLEND_OR: param->blend = is_16bit ? blend_or_16bit : blend_or_8bit; break; case BLEND_OVERLAY: param->blend = is_16bit ? blend_overlay_16bit : blend_overlay_8bit; break; |