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authorJason Garrett-Glaser <jason@x264.com>2011-01-31 19:04:29 -0800
committerJason Garrett-Glaser <jason@x264.com>2011-01-31 20:46:54 -0800
commit64233e702a95df9167e3362e58aae4e82ce2ddf8 (patch)
tree225ce40e1f773983ed1e98d3f5b9014be059ba24 /libavcodec/vp8.c
parent81f2a3f4ffcc6935b8b8ada4954700b3f333ae4f (diff)
downloadffmpeg-64233e702a95df9167e3362e58aae4e82ce2ddf8.tar.gz
VP8: merge chroma MC calls
Adds some duplicated code, but avoids duplicate edge checks and similar. ~0.5% faster overall on Parkjoy test sample.
Diffstat (limited to 'libavcodec/vp8.c')
-rw-r--r--libavcodec/vp8.c125
1 files changed, 79 insertions, 46 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index d2f55d90f3..effeb4ed2f 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -1193,6 +1193,13 @@ void intra_predict(VP8Context *s, uint8_t *dst[3], VP8Macroblock *mb,
s->filter.simple, 0);
}
+static const uint8_t subpel_idx[3][8] = {
+ { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
+ // also function pointer index
+ { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
+ { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
+};
+
/**
* Generic MC function.
*
@@ -1211,32 +1218,26 @@ void intra_predict(VP8Context *s, uint8_t *dst[3], VP8Macroblock *mb,
* @param mc_func motion compensation function pointers (bilinear or sixtap MC)
*/
static av_always_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,
- vp8_mc_func mc_func[3][3])
+void vp8_mc_luma(VP8Context *s, 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,
+ vp8_mc_func mc_func[3][3])
{
if (AV_RN32A(mv)) {
- static const uint8_t idx[3][8] = {
- { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
- // also function pointer index
- { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
- { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
- };
- int mx = (mv->x << luma)&7, mx_idx = idx[0][mx];
- int my = (mv->y << luma)&7, my_idx = idx[0][my];
- x_off += mv->x >> (3 - luma);
- y_off += mv->y >> (3 - luma);
+ int mx = (mv->x << 1)&7, mx_idx = subpel_idx[0][mx];
+ int my = (mv->y << 1)&7, my_idx = subpel_idx[0][my];
+
+ x_off += mv->x >> 2;
+ y_off += mv->y >> 2;
// edge emulation
src += y_off * linesize + x_off;
- if (x_off < mx_idx || x_off >= width - block_w - idx[2][mx] ||
- y_off < my_idx || y_off >= height - block_h - idx[2][my]) {
+ if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
+ y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src - my_idx * linesize - mx_idx, linesize,
- block_w + idx[1][mx], block_h + idx[1][my],
- x_off - mx_idx, y_off - my_idx, width, height);
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
src = s->edge_emu_buffer + mx_idx + linesize * my_idx;
}
mc_func[my_idx][mx_idx](dst, linesize, src, linesize, block_h, mx, my);
@@ -1245,6 +1246,45 @@ void vp8_mc(VP8Context *s, int luma,
}
static av_always_inline
+void vp8_mc_chroma(VP8Context *s, uint8_t *dst1, uint8_t *dst2, uint8_t *src1,
+ uint8_t *src2, const VP56mv *mv, int x_off, int y_off,
+ int block_w, int block_h, int width, int height, int linesize,
+ vp8_mc_func mc_func[3][3])
+{
+ if (AV_RN32A(mv)) {
+ int mx = mv->x&7, mx_idx = subpel_idx[0][mx];
+ int my = mv->y&7, my_idx = subpel_idx[0][my];
+
+ x_off += mv->x >> 3;
+ y_off += mv->y >> 3;
+
+ // edge emulation
+ src1 += y_off * linesize + x_off;
+ src2 += y_off * linesize + x_off;
+ if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
+ y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src1 - my_idx * linesize - mx_idx, linesize,
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
+ src1 = s->edge_emu_buffer + mx_idx + linesize * my_idx;
+ mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
+
+ s->dsp.emulated_edge_mc(s->edge_emu_buffer, src2 - my_idx * linesize - mx_idx, linesize,
+ block_w + subpel_idx[1][mx], block_h + subpel_idx[1][my],
+ x_off - mx_idx, y_off - my_idx, width, height);
+ src2 = s->edge_emu_buffer + mx_idx + linesize * my_idx;
+ mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
+ } else {
+ mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
+ mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
+ }
+ } else {
+ mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
+ mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
+ }
+}
+
+static av_always_inline
void vp8_mc_part(VP8Context *s, uint8_t *dst[3],
AVFrame *ref_frame, int x_off, int y_off,
int bx_off, int by_off,
@@ -1254,10 +1294,10 @@ void vp8_mc_part(VP8Context *s, uint8_t *dst[3],
VP56mv uvmv = *mv;
/* Y */
- vp8_mc(s, 1, dst[0] + by_off * s->linesize + bx_off,
- ref_frame->data[0], mv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->linesize,
- s->put_pixels_tab[block_w == 8]);
+ vp8_mc_luma(s, dst[0] + by_off * s->linesize + bx_off,
+ ref_frame->data[0], mv, x_off + bx_off, y_off + by_off,
+ block_w, block_h, width, height, s->linesize,
+ s->put_pixels_tab[block_w == 8]);
/* U/V */
if (s->profile == 3) {
@@ -1268,14 +1308,11 @@ void vp8_mc_part(VP8Context *s, uint8_t *dst[3],
bx_off >>= 1; by_off >>= 1;
width >>= 1; height >>= 1;
block_w >>= 1; block_h >>= 1;
- vp8_mc(s, 0, dst[1] + by_off * s->uvlinesize + bx_off,
- ref_frame->data[1], &uvmv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->uvlinesize,
- s->put_pixels_tab[1 + (block_w == 4)]);
- vp8_mc(s, 0, dst[2] + by_off * s->uvlinesize + bx_off,
- ref_frame->data[2], &uvmv, x_off + bx_off, y_off + by_off,
- block_w, block_h, width, height, s->uvlinesize,
- s->put_pixels_tab[1 + (block_w == 4)]);
+ vp8_mc_chroma(s, dst[1] + by_off * s->uvlinesize + bx_off,
+ dst[2] + by_off * s->uvlinesize + bx_off, ref_frame->data[1],
+ ref_frame->data[2], &uvmv, x_off + bx_off, y_off + by_off,
+ block_w, block_h, width, height, s->uvlinesize,
+ s->put_pixels_tab[1 + (block_w == 4)]);
}
/* Fetch pixels for estimated mv 4 macroblocks ahead.
@@ -1319,11 +1356,11 @@ void inter_predict(VP8Context *s, uint8_t *dst[3], VP8Macroblock *mb,
/* Y */
for (y = 0; y < 4; y++) {
for (x = 0; x < 4; x++) {
- vp8_mc(s, 1, dst[0] + 4*y*s->linesize + x*4,
- ref->data[0], &bmv[4*y + x],
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->linesize,
- s->put_pixels_tab[2]);
+ vp8_mc_luma(s, dst[0] + 4*y*s->linesize + x*4,
+ ref->data[0], &bmv[4*y + x],
+ 4*x + x_off, 4*y + y_off, 4, 4,
+ width, height, s->linesize,
+ s->put_pixels_tab[2]);
}
}
@@ -1345,16 +1382,12 @@ void inter_predict(VP8Context *s, uint8_t *dst[3], VP8Macroblock *mb,
uvmv.x &= ~7;
uvmv.y &= ~7;
}
- vp8_mc(s, 0, dst[1] + 4*y*s->uvlinesize + x*4,
- ref->data[1], &uvmv,
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->uvlinesize,
- s->put_pixels_tab[2]);
- vp8_mc(s, 0, dst[2] + 4*y*s->uvlinesize + x*4,
- ref->data[2], &uvmv,
- 4*x + x_off, 4*y + y_off, 4, 4,
- width, height, s->uvlinesize,
- s->put_pixels_tab[2]);
+ vp8_mc_chroma(s, dst[1] + 4*y*s->uvlinesize + x*4,
+ dst[2] + 4*y*s->uvlinesize + x*4,
+ ref->data[1], ref->data[2], &uvmv,
+ 4*x + x_off, 4*y + y_off, 4, 4,
+ width, height, s->uvlinesize,
+ s->put_pixels_tab[2]);
}
}
break;