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| author | Limin Wang <lance.lmwang@gmail.com> | 2019-09-24 18:18:09 +0800 |
|---|---|---|
| committer | Marton Balint <cus@passwd.hu> | 2019-09-28 21:53:55 +0200 |
| commit | 86f0411a5270295963d32c42a192193400c2c912 (patch) | |
| tree | 8989ac5edb75f416ee510b7b920ee0cb9195fbec /libavfilter | |
| parent | fd5fdca95337aaaf82e69af94c8a1a18fe1bce4e (diff) | |
| download | ffmpeg-86f0411a5270295963d32c42a192193400c2c912.tar.gz | |
avfilter/vf_framerate: remove duplicate code with macro-based function
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/framerate.h | 3 | ||||
| -rw-r--r-- | libavfilter/vf_framerate.c | 58 |
2 files changed, 27 insertions, 34 deletions
diff --git a/libavfilter/framerate.h b/libavfilter/framerate.h index 2947c54cc6..d255635686 100644 --- a/libavfilter/framerate.h +++ b/libavfilter/framerate.h @@ -28,8 +28,7 @@ ptrdiff_t width, ptrdiff_t height, \ int factor1, int factor2, int half -#define BLEND_FACTOR_DEPTH8 7 -#define BLEND_FACTOR_DEPTH16 15 +#define BLEND_FACTOR_DEPTH(n) (n-1) typedef void (*blend_func)(BLEND_FUNC_PARAMS); diff --git a/libavfilter/vf_framerate.c b/libavfilter/vf_framerate.c index 5077a7c8a1..6c8d01c94b 100644 --- a/libavfilter/vf_framerate.c +++ b/libavfilter/vf_framerate.c @@ -235,44 +235,38 @@ static int query_formats(AVFilterContext *ctx) return ff_set_common_formats(ctx, fmts_list); } -static void blend_frames_c(BLEND_FUNC_PARAMS) -{ - int line, pixel; - for (line = 0; line < height; line++) { - for (pixel = 0; pixel < width; pixel++) - dst[pixel] = ((src1[pixel] * factor1) + (src2[pixel] * factor2) + half) >> BLEND_FACTOR_DEPTH8; - src1 += src1_linesize; - src2 += src2_linesize; - dst += dst_linesize; - } -} - -static void blend_frames16_c(BLEND_FUNC_PARAMS) -{ - int line, pixel; - uint16_t *dstw = (uint16_t *)dst; - uint16_t *src1w = (uint16_t *)src1; - uint16_t *src2w = (uint16_t *)src2; - width /= 2; - src1_linesize /= 2; - src2_linesize /= 2; - dst_linesize /= 2; - for (line = 0; line < height; line++) { - for (pixel = 0; pixel < width; pixel++) - dstw[pixel] = ((src1w[pixel] * factor1) + (src2w[pixel] * factor2) + half) >> BLEND_FACTOR_DEPTH16; - src1w += src1_linesize; - src2w += src2_linesize; - dstw += dst_linesize; - } +#define BLEND_FRAME_FUNC(nbits) \ +static void blend_frames##nbits##_c(BLEND_FUNC_PARAMS) \ +{ \ + int line, pixel; \ + uint##nbits##_t *dstw = (uint##nbits##_t *)dst; \ + uint##nbits##_t *src1w = (uint##nbits##_t *)src1; \ + uint##nbits##_t *src2w = (uint##nbits##_t *)src2; \ + int bytes = nbits / 8; \ + width /= bytes; \ + src1_linesize /= bytes; \ + src2_linesize /= bytes; \ + dst_linesize /= bytes; \ + for (line = 0; line < height; line++) { \ + for (pixel = 0; pixel < width; pixel++) \ + dstw[pixel] = ((src1w[pixel] * factor1) + \ + (src2w[pixel] * factor2) + half) \ + >> BLEND_FACTOR_DEPTH(nbits); \ + src1w += src1_linesize; \ + src2w += src2_linesize; \ + dstw += dst_linesize; \ + } \ } +BLEND_FRAME_FUNC(8) +BLEND_FRAME_FUNC(16) void ff_framerate_init(FrameRateContext *s) { if (s->bitdepth == 8) { - s->blend_factor_max = 1 << BLEND_FACTOR_DEPTH8; - s->blend = blend_frames_c; + s->blend_factor_max = 1 << BLEND_FACTOR_DEPTH(8); + s->blend = blend_frames8_c; } else { - s->blend_factor_max = 1 << BLEND_FACTOR_DEPTH16; + s->blend_factor_max = 1 << BLEND_FACTOR_DEPTH(16); s->blend = blend_frames16_c; } if (ARCH_X86) |