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Code Issues Releases Activity

Add intra prediction functions for VP8.

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Patch by David Conrad <lessen42 gmail com> and myself.

Originally committed as revision 23716 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2010-06-22 19:17:09 +00:00 committed by Ronald S. Bultje
parent b39a2d19d4
commit 3ad289fca7
3 changed files with 131 additions and 3 deletions
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5
libavcodec/arm/h264pred_init_arm.c
View File

@ -46,9 +46,10 @@ static void ff_h264_pred_init_neon(H264PredContext *h, int codec_id)
{
h->pred8x8[VERT_PRED8x8 ] = ff_pred8x8_vert_neon;
h->pred8x8[HOR_PRED8x8 ] = ff_pred8x8_hor_neon;
if (codec_id != CODEC_ID_VP8)
h->pred8x8[PLANE_PRED8x8 ] = ff_pred8x8_plane_neon;
h->pred8x8[DC_128_PRED8x8 ] = ff_pred8x8_128_dc_neon;
if (codec_id != CODEC_ID_RV40) {
if (codec_id != CODEC_ID_RV40 && codec_id != CODEC_ID_VP8) {
h->pred8x8[DC_PRED8x8 ] = ff_pred8x8_dc_neon;
h->pred8x8[LEFT_DC_PRED8x8] = ff_pred8x8_left_dc_neon;
h->pred8x8[TOP_DC_PRED8x8 ] = ff_pred8x8_top_dc_neon;
@ -64,7 +65,7 @@ static void ff_h264_pred_init_neon(H264PredContext *h, int codec_id)
h->pred16x16[LEFT_DC_PRED8x8] = ff_pred16x16_left_dc_neon;
h->pred16x16[TOP_DC_PRED8x8 ] = ff_pred16x16_top_dc_neon;
h->pred16x16[DC_128_PRED8x8 ] = ff_pred16x16_128_dc_neon;
if (codec_id != CODEC_ID_SVQ3 && codec_id != CODEC_ID_RV40)
if (codec_id != CODEC_ID_SVQ3 && codec_id != CODEC_ID_RV40 && codec_id != CODEC_ID_VP8)
h->pred16x16[PLANE_PRED8x8 ] = ff_pred16x16_plane_neon;
}

127
libavcodec/h264pred.c
View File

@ -28,6 +28,7 @@
#include "avcodec.h"
#include "mpegvideo.h"
#include "h264pred.h"
#include "mathops.h"
static void pred4x4_vertical_c(uint8_t *src, const uint8_t *topright, int stride){
const uint32_t a= ((uint32_t*)(src-stride))[0];
@ -104,6 +105,31 @@ static void pred4x4_128_dc_c(uint8_t *src, const uint8_t *topright, int stride){
const int av_unused t2= src[ 2-1*stride];\
const int av_unused t3= src[ 3-1*stride];\
static void pred4x4_vertical_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
const int lt= src[-1-1*stride];
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
uint32_t v = PACK4x8((lt + 2*t0 + t1 + 2) >> 2,
(t0 + 2*t1 + t2 + 2) >> 2,
(t1 + 2*t2 + t3 + 2) >> 2,
(t2 + 2*t3 + t4 + 2) >> 2);
AV_WN32A(src+0*stride, v);
AV_WN32A(src+1*stride, v);
AV_WN32A(src+2*stride, v);
AV_WN32A(src+3*stride, v);
}
static void pred4x4_horizontal_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
const int lt= src[-1-1*stride];
LOAD_LEFT_EDGE
AV_WN32A(src+0*stride, ((lt + 2*l0 + l1 + 2) >> 2)*0x01010101);
AV_WN32A(src+1*stride, ((l0 + 2*l1 + l2 + 2) >> 2)*0x01010101);
AV_WN32A(src+2*stride, ((l1 + 2*l2 + l3 + 2) >> 2)*0x01010101);
AV_WN32A(src+3*stride, ((l2 + 2*l3 + l3 + 2) >> 2)*0x01010101);
}
static void pred4x4_down_right_c(uint8_t *src, const uint8_t *topright, int stride){
const int lt= src[-1-1*stride];
LOAD_TOP_EDGE
@ -302,6 +328,28 @@ static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, const uint8_t *top
pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
}
static void pred4x4_vertical_left_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
src[0+0*stride]=(t0 + t1 + 1)>>1;
src[1+0*stride]=
src[0+2*stride]=(t1 + t2 + 1)>>1;
src[2+0*stride]=
src[1+2*stride]=(t2 + t3 + 1)>>1;
src[3+0*stride]=
src[2+2*stride]=(t3 + t4 + 1)>>1;
src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
src[1+1*stride]=
src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
src[2+1*stride]=
src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
src[3+1*stride]=
src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
src[3+2*stride]=(t4 + 2*t5 + t6 + 2)>>2;
src[3+3*stride]=(t5 + 2*t6 + t7 + 2)>>2;
}
static void pred4x4_horizontal_up_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_LEFT_EDGE
@ -393,6 +441,21 @@ static void pred4x4_horizontal_down_c(uint8_t *src, const uint8_t *topright, int
src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
}
static void pred4x4_tm_vp8_c(uint8_t *src, const uint8_t *topright, int stride){
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP - src[-1-stride];
uint8_t *top = src-stride;
int y;
for (y = 0; y < 4; y++) {
uint8_t *cm_in = cm + src[-1];
src[0] = cm_in[top[0]];
src[1] = cm_in[top[1]];
src[2] = cm_in[top[2]];
src[3] = cm_in[top[3]];
src += stride;
}
}
static void pred16x16_vertical_c(uint8_t *src, int stride){
int i;
const uint32_t a= ((uint32_t*)(src-stride))[0];
@ -539,6 +602,33 @@ static void pred16x16_plane_rv40_c(uint8_t *src, int stride){
pred16x16_plane_compat_c(src, stride, 0, 1);
}
static void pred16x16_tm_vp8_c(uint8_t *src, int stride){
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP - src[-1-stride];
uint8_t *top = src-stride;
int y;
for (y = 0; y < 16; y++) {
uint8_t *cm_in = cm + src[-1];
src[0] = cm_in[top[0]];
src[1] = cm_in[top[1]];
src[2] = cm_in[top[2]];
src[3] = cm_in[top[3]];
src[4] = cm_in[top[4]];
src[5] = cm_in[top[5]];
src[6] = cm_in[top[6]];
src[7] = cm_in[top[7]];
src[8] = cm_in[top[8]];
src[9] = cm_in[top[9]];
src[10] = cm_in[top[10]];
src[11] = cm_in[top[11]];
src[12] = cm_in[top[12]];
src[13] = cm_in[top[13]];
src[14] = cm_in[top[14]];
src[15] = cm_in[top[15]];
src += stride;
}
}
static void pred8x8_vertical_c(uint8_t *src, int stride){
int i;
const uint32_t a= ((uint32_t*)(src-stride))[0];
@ -745,6 +835,25 @@ static void pred8x8_plane_c(uint8_t *src, int stride){
}
}
static void pred8x8_tm_vp8_c(uint8_t *src, int stride){
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP - src[-1-stride];
uint8_t *top = src-stride;
int y;
for (y = 0; y < 8; y++) {
uint8_t *cm_in = cm + src[-1];
src[0] = cm_in[top[0]];
src[1] = cm_in[top[1]];
src[2] = cm_in[top[2]];
src[3] = cm_in[top[3]];
src[4] = cm_in[top[4]];
src[5] = cm_in[top[5]];
src[6] = cm_in[top[6]];
src[7] = cm_in[top[7]];
src += stride;
}
}
#define SRC(x,y) src[(x)+(y)*stride]
#define PL(y) \
const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
@ -1081,8 +1190,13 @@ void ff_h264_pred_init(H264PredContext *h, int codec_id){
// MpegEncContext * const s = &h->s;
if(codec_id != CODEC_ID_RV40){
if(codec_id == CODEC_ID_VP8) {
h->pred4x4[VERT_PRED ]= pred4x4_vertical_vp8_c;
h->pred4x4[HOR_PRED ]= pred4x4_horizontal_vp8_c;
} else {
h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
}
h->pred4x4[DC_PRED ]= pred4x4_dc_c;
if(codec_id == CODEC_ID_SVQ3)
h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_svq3_c;
@ -1091,11 +1205,16 @@ void ff_h264_pred_init(H264PredContext *h, int codec_id){
h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c;
h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c;
if (codec_id == CODEC_ID_VP8) {
h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_vp8_c;
} else
h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c;
h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c;
h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c;
h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c;
h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c;
if(codec_id == CODEC_ID_VP8)
h->pred4x4[TM_VP8_PRED ]= pred4x4_tm_vp8_c;
}else{
h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
@ -1129,8 +1248,11 @@ void ff_h264_pred_init(H264PredContext *h, int codec_id){
h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c;
h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c;
if (codec_id != CODEC_ID_VP8) {
h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c;
if(codec_id != CODEC_ID_RV40){
} else
h->pred8x8[PLANE_PRED8x8]= pred8x8_tm_vp8_c;
if(codec_id != CODEC_ID_RV40 && codec_id != CODEC_ID_VP8){
h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c;
h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
@ -1156,6 +1278,9 @@ void ff_h264_pred_init(H264PredContext *h, int codec_id){
case CODEC_ID_RV40:
h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_rv40_c;
break;
case CODEC_ID_VP8:
h->pred16x16[PLANE_PRED8x8 ]= pred16x16_tm_vp8_c;
break;
default:
h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
}

2
libavcodec/h264pred.h
View File

@ -49,6 +49,8 @@
#define TOP_DC_PRED 10
#define DC_128_PRED 11
#define TM_VP8_PRED 9 ///< "True Motion", used instead of plane
#define DIAG_DOWN_LEFT_PRED_RV40_NODOWN 12
#define HOR_UP_PRED_RV40_NODOWN 13
#define VERT_LEFT_PRED_RV40_NODOWN 14