*/
/**
- * @file h264pred.c
+ * @file
* H.264 / AVC / MPEG4 part10 prediction functions.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include "avcodec.h"
#include "mpegvideo.h"
#include "h264pred.h"
+#include "mathops.h"
-static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_vertical_c(uint8_t *src, const uint8_t *topright, int stride){
const uint32_t a= ((uint32_t*)(src-stride))[0];
((uint32_t*)(src+0*stride))[0]= a;
((uint32_t*)(src+1*stride))[0]= a;
((uint32_t*)(src+3*stride))[0]= a;
}
-static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_horizontal_c(uint8_t *src, const uint8_t *topright, int stride){
((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
}
-static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_dc_c(uint8_t *src, const uint8_t *topright, int stride){
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
+ src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
}
-static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_left_dc_c(uint8_t *src, const uint8_t *topright, int stride){
const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
((uint32_t*)(src+0*stride))[0]=
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
}
-static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_top_dc_c(uint8_t *src, const uint8_t *topright, int stride){
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
((uint32_t*)(src+0*stride))[0]=
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
}
-static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_128_dc_c(uint8_t *src, const uint8_t *topright, int stride){
((uint32_t*)(src+0*stride))[0]=
((uint32_t*)(src+1*stride))[0]=
((uint32_t*)(src+2*stride))[0]=
const int av_unused t2= src[ 2-1*stride];\
const int av_unused t3= src[ 3-1*stride];\
-static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int 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 = PACK_4U8((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
LOAD_LEFT_EDGE
src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
}
-static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_down_left_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
// LOAD_LEFT_EDGE
src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
}
-static void pred4x4_down_left_svq3_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_down_left_svq3_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_LEFT_EDGE
const av_unused int unu0= t0;
src[3+3*stride]=(l3 + t3)>>1;
}
-static void pred4x4_down_left_rv40_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_down_left_rv40_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
LOAD_LEFT_EDGE
src[3+3*stride]=(t6 + t7 + 1 + l6 + l7 + 1)>>2;
}
-static void pred4x4_down_left_rv40_notop_c(uint8_t *src, uint8_t *topright, int stride){
- LOAD_LEFT_EDGE
- LOAD_DOWN_LEFT_EDGE
-
- src[0+0*stride]=(l0 + l2 + 2*l1 + 2)>>2;
- src[1+0*stride]=
- src[0+1*stride]=(l1 + l3 + 2*l2 + 2)>>2;
- src[2+0*stride]=
- src[1+1*stride]=
- src[0+2*stride]=(l2 + l4 + 2*l3 + 2)>>2;
- src[3+0*stride]=
- src[2+1*stride]=
- src[1+2*stride]=
- src[0+3*stride]=(l3 + l5 + 2*l4 + 2)>>2;
- src[3+1*stride]=
- src[2+2*stride]=
- src[1+3*stride]=(l4 + l6 + 2*l5 + 2)>>2;
- src[3+2*stride]=
- src[2+3*stride]=(l5 + l7 + 2*l6 + 2)>>2;
- src[3+3*stride]=(l6 + l7 + 1)>>1;
-}
-
-static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_down_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
LOAD_LEFT_EDGE
src[3+3*stride]=(t6 + t7 + 1 + 2*l3 + 1)>>2;
}
-static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_vertical_right_c(uint8_t *src, const uint8_t *topright, int stride){
const int lt= src[-1-1*stride];
LOAD_TOP_EDGE
LOAD_LEFT_EDGE
src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
}
-static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_vertical_left_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
}
-static void pred4x4_vertical_left_rv40(uint8_t *src, uint8_t *topright, int stride,
+static void pred4x4_vertical_left_rv40(uint8_t *src, const uint8_t *topright, int stride,
const int l0, const int l1, const int l2, const int l3, const int l4){
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
}
-static void pred4x4_vertical_left_rv40_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_vertical_left_rv40_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_LEFT_EDGE
LOAD_DOWN_LEFT_EDGE
pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l4);
}
-static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_vertical_left_rv40_nodown_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_LEFT_EDGE
pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
}
-static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
+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
src[0+0*stride]=(l0 + l1 + 1)>>1;
src[3+3*stride]=l3;
}
-static void pred4x4_horizontal_up_rv40_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_horizontal_up_rv40_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_LEFT_EDGE
LOAD_DOWN_LEFT_EDGE
LOAD_TOP_EDGE
src[3+3*stride]=(l4 + 2*l5 + l6 + 2)>>2;
}
-static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_horizontal_up_rv40_nodown_c(uint8_t *src, const uint8_t *topright, int stride){
LOAD_LEFT_EDGE
LOAD_TOP_EDGE
LOAD_TOP_RIGHT_EDGE
src[3+3*stride]=l3;
}
-static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
+static void pred4x4_horizontal_down_c(uint8_t *src, const uint8_t *topright, int stride){
const int lt= src[-1-1*stride];
LOAD_TOP_EDGE
LOAD_LEFT_EDGE
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];
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];
}
}
+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;
#undef PL
#undef SRC
+static void pred4x4_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){
+ int i;
+ pix -= stride;
+ for(i=0; i<4; i++){
+ uint8_t v = pix[0];
+ pix[1*stride]= v += block[0];
+ pix[2*stride]= v += block[4];
+ pix[3*stride]= v += block[8];
+ pix[4*stride]= v + block[12];
+ pix++;
+ block++;
+ }
+}
+
+static void pred4x4_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){
+ int i;
+ for(i=0; i<4; i++){
+ uint8_t v = pix[-1];
+ pix[0]= v += block[0];
+ pix[1]= v += block[1];
+ pix[2]= v += block[2];
+ pix[3]= v + block[3];
+ pix+= stride;
+ block+= 4;
+ }
+}
+
+static void pred8x8l_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){
+ int i;
+ pix -= stride;
+ for(i=0; i<8; i++){
+ uint8_t v = pix[0];
+ pix[1*stride]= v += block[0];
+ pix[2*stride]= v += block[8];
+ pix[3*stride]= v += block[16];
+ pix[4*stride]= v += block[24];
+ pix[5*stride]= v += block[32];
+ pix[6*stride]= v += block[40];
+ pix[7*stride]= v += block[48];
+ pix[8*stride]= v + block[56];
+ pix++;
+ block++;
+ }
+}
+
+static void pred8x8l_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){
+ int i;
+ for(i=0; i<8; i++){
+ uint8_t v = pix[-1];
+ pix[0]= v += block[0];
+ pix[1]= v += block[1];
+ pix[2]= v += block[2];
+ pix[3]= v += block[3];
+ pix[4]= v += block[4];
+ pix[5]= v += block[5];
+ pix[6]= v += block[6];
+ pix[7]= v + block[7];
+ pix+= stride;
+ block+= 8;
+ }
+}
+
+static void pred16x16_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
+ int i;
+ for(i=0; i<16; i++)
+ pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride);
+}
+
+static void pred16x16_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
+ int i;
+ for(i=0; i<16; i++)
+ pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride);
+}
+
+static void pred8x8_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
+ int i;
+ for(i=0; i<4; i++)
+ pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride);
+}
+
+static void pred8x8_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
+ int i;
+ for(i=0; i<4; i++)
+ pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride);
+}
+
+
/**
- * Sets the intra prediction function pointers.
+ * Set the intra prediction function pointers.
*/
void ff_h264_pred_init(H264PredContext *h, int codec_id){
// MpegEncContext * const s = &h->s;
if(codec_id != CODEC_ID_RV40){
- h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
- h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
+ 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;
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;
- h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_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;
h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c;
h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c;
- h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c;
- if(codec_id != CODEC_ID_RV40){
+ if (codec_id != CODEC_ID_VP8) {
+ h->pred8x8[PLANE_PRED8x8]= pred8x8_plane_c;
+ } 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;
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;
}
h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;
+
+ //special lossless h/v prediction for h264
+ h->pred4x4_add [VERT_PRED ]= pred4x4_vertical_add_c;
+ h->pred4x4_add [ HOR_PRED ]= pred4x4_horizontal_add_c;
+ h->pred8x8l_add [VERT_PRED ]= pred8x8l_vertical_add_c;
+ h->pred8x8l_add [ HOR_PRED ]= pred8x8l_horizontal_add_c;
+ h->pred8x8_add [VERT_PRED8x8]= pred8x8_vertical_add_c;
+ h->pred8x8_add [ HOR_PRED8x8]= pred8x8_horizontal_add_c;
+ h->pred16x16_add[VERT_PRED8x8]= pred16x16_vertical_add_c;
+ h->pred16x16_add[ HOR_PRED8x8]= pred16x16_horizontal_add_c;
+
+ if (ARCH_ARM) ff_h264_pred_init_arm(h, codec_id);
+ if (HAVE_MMX) ff_h264_pred_init_x86(h, codec_id);
}
projects / ffmpeg / blobdiff