Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Make VP8 DSP functions take two strides

Browse Source 
This isn't useful for the C functions, but will allow re-using H and V functions
for HV functions without adding separate H and V wrappers.

Originally committed as revision 23782 to svn://svn.ffmpeg.org/ffmpeg/trunk
oldabi
Jason Garrett-Glaser 15 years ago
parent eb7626a32b
commit d6f8476be4
4 changed files with 27 additions and 27 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 12
      libavcodec/dsputil.c
  2. 4
      libavcodec/vp8.c
  3. 34
      libavcodec/vp8dsp.c
  4. 4
      libavcodec/vp8dsp.h

12
libavcodec/dsputil.c
Unescape View File

@ -2657,18 +2657,6 @@ static void avg_rv40_qpel8_mc33_c(uint8_t *dst, uint8_t *src, int stride){
}
#endif /* CONFIG_RV40_DECODER */
#if CONFIG_VP8_DECODER
void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) {
put_pixels16_c(dst, src, stride, h);
}
void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) {
put_pixels8_c(dst, src, stride, h);
}
void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) {
put_pixels4_c(dst, src, stride, h);
}
#endif
static void wmv2_mspel8_v_lowpass(uint8_t *dst, uint8_t *src, int dstStride, int srcStride, int w){
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int i;

4
libavcodec/vp8.c
Unescape View File

@ -912,7 +912,7 @@ static inline void vp8_mc(VP8Context *s, int luma,
uint8_t *dst, uint8_t *src, const VP56mv *mv,
int x_off, int y_off, int block_w, int block_h,
int width, int height, int linesize,
h264_chroma_mc_func mc_func[3][3])
vp8_mc_func mc_func[3][3])
{
static const uint8_t idx[8] = { 0, 1, 2, 1, 2, 1, 2, 1 };
int mx = (mv->x << luma)&7, mx_idx = idx[mx];
@ -931,7 +931,7 @@ static inline void vp8_mc(VP8Context *s, int luma,
src = s->edge_emu_buffer + 2 + linesize * 2;
}
mc_func[my_idx][mx_idx](dst, src, linesize, block_h, mx, my);
mc_func[my_idx][mx_idx](dst, linesize, src, linesize, block_h, mx, my);
}
/**

34
libavcodec/vp8dsp.c
Unescape View File

@ -250,6 +250,16 @@ static const uint8_t subpel_filters[7][6] = {
{ 0, 1, 12, 123, 6, 0 },
};
#define PUT_PIXELS(WIDTH) \
static void put_vp8_pixels ## WIDTH ##_c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int x, int y) { \
for (int y = 0; y < h; y++, dst+= dststride, src+= srcstride) { \
memcpy(dst, src, WIDTH); \
} \
}
PUT_PIXELS(16)
PUT_PIXELS(8)
PUT_PIXELS(4)
#define FILTER_6TAP(src, F, stride) \
av_clip_uint8((F[2]*src[x+0*stride] - F[1]*src[x-1*stride] + F[0]*src[x-2*stride] + \
@ -260,7 +270,7 @@ static const uint8_t subpel_filters[7][6] = {
F[3]*src[x+1*stride] - F[4]*src[x+2*stride] + 64) >> 7)
#define VP8_EPEL_H(SIZE, FILTER, FILTERNAME) \
static void put_vp8_epel ## SIZE ## _ ## FILTERNAME ## _c(uint8_t *dst, uint8_t *src, int stride, int h, int mx, int my) \
static void put_vp8_epel ## SIZE ## _ ## FILTERNAME ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \
{ \
const uint8_t *filter = subpel_filters[mx-1]; \
int x, y; \
@ -268,37 +278,37 @@ static void put_vp8_epel ## SIZE ## _ ## FILTERNAME ## _c(uint8_t *dst, uint8_t
for (y = 0; y < h; y++) { \
for (x = 0; x < SIZE; x++) \
dst[x] = FILTER(src, filter, 1); \
dst += stride; \
src += stride; \
dst += dststride; \
src += srcstride; \
} \
}
#define VP8_EPEL_V(SIZE, FILTER, FILTERNAME) \
static void put_vp8_epel ## SIZE ## _ ## FILTERNAME ## _c(uint8_t *dst, uint8_t *src, int stride, int h, int mx, int my) \
static void put_vp8_epel ## SIZE ## _ ## FILTERNAME ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \
{ \
const uint8_t *filter = subpel_filters[my-1]; \
int x, y; \
\
for (y = 0; y < h; y++) { \
for (x = 0; x < SIZE; x++) \
dst[x] = FILTER(src, filter, stride); \
dst += stride; \
src += stride; \
dst[x] = FILTER(src, filter, srcstride); \
dst += dststride; \
src += srcstride; \
} \
}
#define VP8_EPEL_HV(SIZE, FILTERX, FILTERY, FILTERNAME) \
static void put_vp8_epel ## SIZE ## _ ## FILTERNAME ## _c(uint8_t *dst, uint8_t *src, int stride, int h, int mx, int my) \
static void put_vp8_epel ## SIZE ## _ ## FILTERNAME ## _c(uint8_t *dst, int dststride, uint8_t *src, int srcstride, int h, int mx, int my) \
{ \
const uint8_t *filter = subpel_filters[mx-1]; \
int x, y; \
uint8_t tmp_array[(2*SIZE+5)*SIZE]; \
uint8_t *tmp = tmp_array; \
src -= 2*stride; \
src -= 2*srcstride; \
\
for (y = 0; y < h+5; y++) { \
for (x = 0; x < SIZE; x++) \
tmp[x] = FILTERX(src, filter, 1); \
tmp += SIZE; \
src += stride; \
src += srcstride; \
} \
\
tmp = tmp_array + 2*SIZE; \
@ -307,7 +317,7 @@ static void put_vp8_epel ## SIZE ## _ ## FILTERNAME ## _c(uint8_t *dst, uint8_t
for (y = 0; y < h; y++) { \
for (x = 0; x < SIZE; x++) \
dst[x] = FILTERY(tmp, filter, SIZE); \
dst += stride; \
dst += dststride; \
tmp += SIZE; \
} \
}
@ -338,7 +348,7 @@ VP8_EPEL_HV(8, FILTER_6TAP, FILTER_6TAP, h6v6)
VP8_EPEL_HV(4, FILTER_6TAP, FILTER_6TAP, h6v6)
#define VP8_MC_FUNC(IDX, SIZE) \
dsp->put_vp8_epel_pixels_tab[IDX][0][0] = ff_put_vp8_pixels ## SIZE ## _c; \
dsp->put_vp8_epel_pixels_tab[IDX][0][0] = put_vp8_pixels ## SIZE ## _c; \
dsp->put_vp8_epel_pixels_tab[IDX][0][1] = put_vp8_epel ## SIZE ## _h4_c; \
dsp->put_vp8_epel_pixels_tab[IDX][0][2] = put_vp8_epel ## SIZE ## _h6_c; \
dsp->put_vp8_epel_pixels_tab[IDX][1][0] = put_vp8_epel ## SIZE ## _v4_c; \

4
libavcodec/vp8dsp.h
Unescape View File

@ -27,6 +27,8 @@
#include "dsputil.h"
typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, int dstStride, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y);
typedef struct VP8DSPContext {
void (*vp8_luma_dc_wht)(DCTELEM block[4][4][16], DCTELEM dc[16]);
void (*vp8_idct_add)(uint8_t *dst, DCTELEM block[16], int stride);
@ -55,7 +57,7 @@ typedef struct VP8DSPContext {
* third dimension: same as second dimention, for horizontal interpolation
* so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
*/
h264_chroma_mc_func put_vp8_epel_pixels_tab[3][3][3];
vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
} VP8DSPContext;
void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y);

Write Preview
Loading…
Cancel
Save