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authorDavid Conrad <lessen42@gmail.com>2009-04-14 19:26:33 +0000
committerDavid Conrad <lessen42@gmail.com>2009-04-14 19:26:33 +0000
commit6cecd63005b29a1dc3a5104e6ac85fd112705122 (patch)
treee32137ac20373aaca1df988efd73c3f7a5545b16 /libavcodec
parent44be8d4278a04cb07baceadab48dde8df7aeeb05 (diff)
downloadffmpeg-6cecd63005b29a1dc3a5104e6ac85fd112705122.tar.gz
VC1: Do qpel when needed for both MVs in a B frame
Originally committed as revision 18511 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/dsputil.c3
-rw-r--r--libavcodec/dsputil.h1
-rw-r--r--libavcodec/vc1.c18
-rw-r--r--libavcodec/vc1dsp.c136
4 files changed, 100 insertions, 58 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 3e7bfc35e3..e2e13714f2 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -2737,6 +2737,9 @@ void ff_vc1dsp_init(DSPContext* c, AVCodecContext *avctx);
void ff_put_vc1_mspel_mc00_c(uint8_t *dst, uint8_t *src, int stride, int rnd) {
put_pixels8_c(dst, src, stride, 8);
}
+void ff_avg_vc1_mspel_mc00_c(uint8_t *dst, uint8_t *src, int stride, int rnd) {
+ avg_pixels8_c(dst, src, stride, 8);
+}
#endif /* CONFIG_VC1_DECODER||CONFIG_WMV3_DECODER */
void ff_intrax8dsp_init(DSPContext* c, AVCodecContext *avctx);
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index 345dca9da6..7ef6e6a73e 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -485,6 +485,7 @@ typedef struct DSPContext {
* last argument is actually round value instead of height
*/
op_pixels_func put_vc1_mspel_pixels_tab[16];
+ op_pixels_func avg_vc1_mspel_pixels_tab[16];
/* intrax8 functions */
void (*x8_spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize);
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index ef6f8b278a..7d0387eb08 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -1904,11 +1904,21 @@ static void vc1_interp_mc(VC1Context *v)
srcY += s->mspel * (1 + s->linesize);
}
- mx >>= 1;
- my >>= 1;
- dxy = ((my & 1) << 1) | (mx & 1);
+ if(s->mspel) {
+ dxy = ((my & 3) << 2) | (mx & 3);
+ dsp->avg_vc1_mspel_pixels_tab[dxy](s->dest[0] , srcY , s->linesize, v->rnd);
+ dsp->avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8, srcY + 8, s->linesize, v->rnd);
+ srcY += s->linesize * 8;
+ dsp->avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize , srcY , s->linesize, v->rnd);
+ dsp->avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd);
+ } else { // hpel mc
+ dxy = (my & 2) | ((mx & 2) >> 1);
- dsp->avg_pixels_tab[0][dxy](s->dest[0], srcY, s->linesize, 16);
+ if(!v->rnd)
+ dsp->avg_pixels_tab[0][dxy](s->dest[0], srcY, s->linesize, 16);
+ else
+ dsp->avg_no_rnd_pixels_tab[0][dxy](s->dest[0], srcY, s->linesize, 16);
+ }
if(s->flags & CODEC_FLAG_GRAY) return;
/* Chroma MC always uses qpel blilinear */
diff --git a/libavcodec/vc1dsp.c b/libavcodec/vc1dsp.c
index ab7a9a6722..3effbb7743 100644
--- a/libavcodec/vc1dsp.c
+++ b/libavcodec/vc1dsp.c
@@ -348,69 +348,80 @@ static av_always_inline int vc1_mspel_filter(const uint8_t *src, int stride, int
/** Function used to do motion compensation with bicubic interpolation
*/
-static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)
-{
- int i, j;
-
- if (vmode) { /* Horizontal filter to apply */
- int r;
-
- if (hmode) { /* Vertical filter to apply, output to tmp */
- static const int shift_value[] = { 0, 5, 1, 5 };
- int shift = (shift_value[hmode]+shift_value[vmode])>>1;
- int16_t tmp[11*8], *tptr = tmp;
-
- r = (1<<(shift-1)) + rnd-1;
-
- src -= 1;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 11; i++)
- tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;
- src += stride;
- tptr += 11;
- }
-
- r = 64-rnd;
- tptr = tmp+1;
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = av_clip_uint8((vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);
- dst += stride;
- tptr += 11;
- }
-
- return;
- }
- else { /* No horizontal filter, output 8 lines to dst */
- r = 1-rnd;
-
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = av_clip_uint8(vc1_mspel_filter(src + i, stride, vmode, r));
- src += stride;
- dst += stride;
- }
- return;
- }
- }
-
- /* Horizontal mode with no vertical mode */
- for(j = 0; j < 8; j++) {
- for(i = 0; i < 8; i++)
- dst[i] = av_clip_uint8(vc1_mspel_filter(src + i, 1, hmode, rnd));
- dst += stride;
- src += stride;
- }
+#define VC1_MSPEL_MC(OP, OPNAME)\
+static void OPNAME ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride, int hmode, int vmode, int rnd)\
+{\
+ int i, j;\
+\
+ if (vmode) { /* Horizontal filter to apply */\
+ int r;\
+\
+ if (hmode) { /* Vertical filter to apply, output to tmp */\
+ static const int shift_value[] = { 0, 5, 1, 5 };\
+ int shift = (shift_value[hmode]+shift_value[vmode])>>1;\
+ int16_t tmp[11*8], *tptr = tmp;\
+\
+ r = (1<<(shift-1)) + rnd-1;\
+\
+ src -= 1;\
+ for(j = 0; j < 8; j++) {\
+ for(i = 0; i < 11; i++)\
+ tptr[i] = (vc1_mspel_ver_filter_16bits(src + i, stride, vmode)+r)>>shift;\
+ src += stride;\
+ tptr += 11;\
+ }\
+\
+ r = 64-rnd;\
+ tptr = tmp+1;\
+ for(j = 0; j < 8; j++) {\
+ for(i = 0; i < 8; i++)\
+ OP(dst[i], (vc1_mspel_hor_filter_16bits(tptr + i, 1, hmode)+r)>>7);\
+ dst += stride;\
+ tptr += 11;\
+ }\
+\
+ return;\
+ }\
+ else { /* No horizontal filter, output 8 lines to dst */\
+ r = 1-rnd;\
+\
+ for(j = 0; j < 8; j++) {\
+ for(i = 0; i < 8; i++)\
+ OP(dst[i], vc1_mspel_filter(src + i, stride, vmode, r));\
+ src += stride;\
+ dst += stride;\
+ }\
+ return;\
+ }\
+ }\
+\
+ /* Horizontal mode with no vertical mode */\
+ for(j = 0; j < 8; j++) {\
+ for(i = 0; i < 8; i++)\
+ OP(dst[i], vc1_mspel_filter(src + i, 1, hmode, rnd));\
+ dst += stride;\
+ src += stride;\
+ }\
}
+#define op_put(a, b) a = av_clip_uint8(b)
+#define op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1
+
+VC1_MSPEL_MC(op_put, put_)
+VC1_MSPEL_MC(op_avg, avg_)
+
/* pixel functions - really are entry points to vc1_mspel_mc */
/* this one is defined in dsputil.c */
void ff_put_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);
+void ff_avg_vc1_mspel_mc00_c(uint8_t *dst, const uint8_t *src, int stride, int rnd);
#define PUT_VC1_MSPEL(a, b)\
static void put_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
- vc1_mspel_mc(dst, src, stride, a, b, rnd); \
+ put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
+}\
+static void avg_vc1_mspel_mc ## a ## b ##_c(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
+ avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
}
PUT_VC1_MSPEL(1, 0)
@@ -456,4 +467,21 @@ void ff_vc1dsp_init(DSPContext* dsp, AVCodecContext *avctx) {
dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_c;
dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_c;
dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_c;
+
+ dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_vc1_mspel_mc00_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_c;
+ dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_c;
+ dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_c;
+ dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_c;
+ dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_c;
+ dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_c;
+ dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_c;
+ dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_c;
}