virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-15 14:13:16 +02:00
Code Issues Releases Activity

vf_blend: Templatize identity function and use a better name

Browse Source
This commit is contained in:
Timothy Gu
2016-02-13 23:23:17 +00:00
parent 4c44972f99
commit ba25936df5
1 changed files with 14 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
libavfilter/vf_blend.c
View File

@@ -118,15 +118,21 @@ static const AVOption blend_options[] = {
AVFILTER_DEFINE_CLASS(blend); AVFILTER_DEFINE_CLASS(blend);
static void blend_normal(const uint8_t *top, ptrdiff_t top_linesize, #define COPY(src) \
const uint8_t *bottom, ptrdiff_t bottom_linesize, static void blend_copy ## src(const uint8_t *top, ptrdiff_t top_linesize, \
uint8_t *dst, ptrdiff_t dst_linesize, const uint8_t *bottom, ptrdiff_t bottom_linesize,\
ptrdiff_t width, ptrdiff_t start, ptrdiff_t end, uint8_t *dst, ptrdiff_t dst_linesize, \
FilterParams *param, double *values) 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); { \
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, static void blend_normal_8bit(const uint8_t *top, ptrdiff_t top_linesize,
const uint8_t *bottom, ptrdiff_t bottom_linesize, const uint8_t *bottom, ptrdiff_t bottom_linesize,
uint8_t *dst, ptrdiff_t dst_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_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_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_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; 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_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; case BLEND_OVERLAY: param->blend = is_16bit ? blend_overlay_16bit : blend_overlay_8bit; break;