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ffmpeg.wasm-core
Commit 5d2b15b8 authored by Stefan Gehrer's avatar Stefan Gehrer
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have less functions as inline 

Originally committed as revision 9792 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent d58d7ade
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Showing with 194 additions and 183 deletions
libavcodec/cavs.c
View file @ 5d2b15b8
......@@ -143,6 +143,73 @@ void ff_cavs_filter(AVSContext *h, enum mb_t mb_type) {
*
****************************************************************************/
void ff_cavs_load_intra_pred_luma(AVSContext *h, uint8_t *top,
uint8_t **left, int block) {
int i;
switch(block) {
case 0:
*left = h->left_border_y;
h->left_border_y[0] = h->left_border_y[1];
memset(&h->left_border_y[17],h->left_border_y[16],9);
memcpy(&top[1],&h->top_border_y[h->mbx*16],16);
top[17] = top[16];
top[0] = top[1];
if((h->flags & A_AVAIL) && (h->flags & B_AVAIL))
h->left_border_y[0] = top[0] = h->topleft_border_y;
break;
case 1:
*left = h->intern_border_y;
for(i=0;i<8;i++)
h->intern_border_y[i+1] = *(h->cy + 7 + i*h->l_stride);
memset(&h->intern_border_y[9],h->intern_border_y[8],9);
h->intern_border_y[0] = h->intern_border_y[1];
memcpy(&top[1],&h->top_border_y[h->mbx*16+8],8);
if(h->flags & C_AVAIL)
memcpy(&top[9],&h->top_border_y[(h->mbx + 1)*16],8);
else
memset(&top[9],top[8],9);
top[17] = top[16];
top[0] = top[1];
if(h->flags & B_AVAIL)
h->intern_border_y[0] = top[0] = h->top_border_y[h->mbx*16+7];
break;
case 2:
*left = &h->left_border_y[8];
memcpy(&top[1],h->cy + 7*h->l_stride,16);
top[17] = top[16];
top[0] = top[1];
if(h->flags & A_AVAIL)
top[0] = h->left_border_y[8];
break;
case 3:
*left = &h->intern_border_y[8];
for(i=0;i<8;i++)
h->intern_border_y[i+9] = *(h->cy + 7 + (i+8)*h->l_stride);
memset(&h->intern_border_y[17],h->intern_border_y[16],9);
memcpy(&top[0],h->cy + 7 + 7*h->l_stride,9);
memset(&top[9],top[8],9);
break;
}
}
void ff_cavs_load_intra_pred_chroma(AVSContext *h) {
/* extend borders by one pixel */
h->left_border_u[9] = h->left_border_u[8];
h->left_border_v[9] = h->left_border_v[8];
h->top_border_u[h->mbx*10+9] = h->top_border_u[h->mbx*10+8];
h->top_border_v[h->mbx*10+9] = h->top_border_v[h->mbx*10+8];
if(h->mbx && h->mby) {
h->top_border_u[h->mbx*10] = h->left_border_u[0] = h->topleft_border_u;
h->top_border_v[h->mbx*10] = h->left_border_v[0] = h->topleft_border_v;
} else {
h->left_border_u[0] = h->left_border_u[1];
h->left_border_v[0] = h->left_border_v[1];
h->top_border_u[h->mbx*10] = h->top_border_u[h->mbx*10+1];
h->top_border_v[h->mbx*10] = h->top_border_v[h->mbx*10+1];
}
}
static void intra_pred_vert(uint8_t *d,uint8_t *top,uint8_t *left,int stride) {
int y;
uint64_t a = unaligned64(&top[1]);
......@@ -230,6 +297,26 @@ static void intra_pred_lp_top(uint8_t *d,uint8_t *top,uint8_t *left,int stride)
#undef LOWPASS
void ff_cavs_modify_mb_i(AVSContext *h, int *pred_mode_uv) {
/* save pred modes before they get modified */
h->pred_mode_Y[3] = h->pred_mode_Y[5];
h->pred_mode_Y[6] = h->pred_mode_Y[8];
h->top_pred_Y[h->mbx*2+0] = h->pred_mode_Y[7];
h->top_pred_Y[h->mbx*2+1] = h->pred_mode_Y[8];
/* modify pred modes according to availability of neighbour samples */
if(!(h->flags & A_AVAIL)) {
modify_pred(ff_left_modifier_l, &h->pred_mode_Y[4] );
modify_pred(ff_left_modifier_l, &h->pred_mode_Y[7] );
modify_pred(ff_left_modifier_c, pred_mode_uv );
}
if(!(h->flags & B_AVAIL)) {
modify_pred(ff_top_modifier_l, &h->pred_mode_Y[4] );
modify_pred(ff_top_modifier_l, &h->pred_mode_Y[5] );
modify_pred(ff_top_modifier_c, pred_mode_uv );
}
}
/*****************************************************************************
*
* motion compensation
......@@ -436,6 +523,96 @@ void ff_cavs_mv(AVSContext *h, enum mv_loc_t nP, enum mv_loc_t nC,
set_mvs(mvP,size);
}
/*****************************************************************************
*
* macroblock level
*
****************************************************************************/
/**
* initialise predictors for motion vectors and intra prediction
*/
void ff_cavs_init_mb(AVSContext *h) {
int i;
/* copy predictors from top line (MB B and C) into cache */
for(i=0;i<3;i++) {
h->mv[MV_FWD_B2+i] = h->top_mv[0][h->mbx*2+i];
h->mv[MV_BWD_B2+i] = h->top_mv[1][h->mbx*2+i];
}
h->pred_mode_Y[1] = h->top_pred_Y[h->mbx*2+0];
h->pred_mode_Y[2] = h->top_pred_Y[h->mbx*2+1];
/* clear top predictors if MB B is not available */
if(!(h->flags & B_AVAIL)) {
h->mv[MV_FWD_B2] = ff_cavs_un_mv;
h->mv[MV_FWD_B3] = ff_cavs_un_mv;
h->mv[MV_BWD_B2] = ff_cavs_un_mv;
h->mv[MV_BWD_B3] = ff_cavs_un_mv;
h->pred_mode_Y[1] = h->pred_mode_Y[2] = NOT_AVAIL;
h->flags &= ~(C_AVAIL|D_AVAIL);
} else if(h->mbx) {
h->flags |= D_AVAIL;
}
if(h->mbx == h->mb_width-1) //MB C not available
h->flags &= ~C_AVAIL;
/* clear top-right predictors if MB C is not available */
if(!(h->flags & C_AVAIL)) {
h->mv[MV_FWD_C2] = ff_cavs_un_mv;
h->mv[MV_BWD_C2] = ff_cavs_un_mv;
}
/* clear top-left predictors if MB D is not available */
if(!(h->flags & D_AVAIL)) {
h->mv[MV_FWD_D3] = ff_cavs_un_mv;
h->mv[MV_BWD_D3] = ff_cavs_un_mv;
}
/* set pointer for co-located macroblock type */
h->col_type = &h->col_type_base[h->mby*h->mb_width + h->mbx];
}
/**
* save predictors for later macroblocks and increase
* macroblock address
* @returns 0 if end of frame is reached, 1 otherwise
*/
int ff_cavs_next_mb(AVSContext *h) {
int i;
h->flags |= A_AVAIL;
h->cy += 16;
h->cu += 8;
h->cv += 8;
/* copy mvs as predictors to the left */
for(i=0;i<=20;i+=4)
h->mv[i] = h->mv[i+2];
/* copy bottom mvs from cache to top line */
h->top_mv[0][h->mbx*2+0] = h->mv[MV_FWD_X2];
h->top_mv[0][h->mbx*2+1] = h->mv[MV_FWD_X3];
h->top_mv[1][h->mbx*2+0] = h->mv[MV_BWD_X2];
h->top_mv[1][h->mbx*2+1] = h->mv[MV_BWD_X3];
/* next MB address */
h->mbx++;
if(h->mbx == h->mb_width) { //new mb line
h->flags = B_AVAIL|C_AVAIL;
/* clear left pred_modes */
h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL;
/* clear left mv predictors */
for(i=0;i<=20;i+=4)
h->mv[i] = ff_cavs_un_mv;
h->mbx = 0;
h->mby++;
/* re-calculate sample pointers */
h->cy = h->picture.data[0] + h->mby*16*h->l_stride;
h->cu = h->picture.data[1] + h->mby*8*h->c_stride;
h->cv = h->picture.data[2] + h->mby*8*h->c_stride;
if(h->mby == h->mb_height) { //frame end
return 0;
} else {
//check_for_slice(h);
}
}
return 1;
}
/*****************************************************************************
*
* frame level
......
libavcodec/cavs.h
View file @ 5d2b15b8
......@@ -240,73 +240,6 @@ extern const vector_t ff_cavs_intra_mv;
extern const vector_t ff_cavs_un_mv;
extern const vector_t ff_cavs_dir_mv;
static inline void load_intra_pred_luma(AVSContext *h, uint8_t *top,
uint8_t **left, int block) {
int i;
switch(block) {
case 0:
*left = h->left_border_y;
h->left_border_y[0] = h->left_border_y[1];
memset(&h->left_border_y[17],h->left_border_y[16],9);
memcpy(&top[1],&h->top_border_y[h->mbx*16],16);
top[17] = top[16];
top[0] = top[1];
if((h->flags & A_AVAIL) && (h->flags & B_AVAIL))
h->left_border_y[0] = top[0] = h->topleft_border_y;
break;
case 1:
*left = h->intern_border_y;
for(i=0;i<8;i++)
h->intern_border_y[i+1] = *(h->cy + 7 + i*h->l_stride);
memset(&h->intern_border_y[9],h->intern_border_y[8],9);
h->intern_border_y[0] = h->intern_border_y[1];
memcpy(&top[1],&h->top_border_y[h->mbx*16+8],8);
if(h->flags & C_AVAIL)
memcpy(&top[9],&h->top_border_y[(h->mbx + 1)*16],8);
else
memset(&top[9],top[8],9);
top[17] = top[16];
top[0] = top[1];
if(h->flags & B_AVAIL)
h->intern_border_y[0] = top[0] = h->top_border_y[h->mbx*16+7];
break;
case 2:
*left = &h->left_border_y[8];
memcpy(&top[1],h->cy + 7*h->l_stride,16);
top[17] = top[16];
top[0] = top[1];
if(h->flags & A_AVAIL)
top[0] = h->left_border_y[8];
break;
case 3:
*left = &h->intern_border_y[8];
for(i=0;i<8;i++)
h->intern_border_y[i+9] = *(h->cy + 7 + (i+8)*h->l_stride);
memset(&h->intern_border_y[17],h->intern_border_y[16],9);
memcpy(&top[0],h->cy + 7 + 7*h->l_stride,9);
memset(&top[9],top[8],9);
break;
}
}
static inline void load_intra_pred_chroma(AVSContext *h) {
/* extend borders by one pixel */
h->left_border_u[9] = h->left_border_u[8];
h->left_border_v[9] = h->left_border_v[8];
h->top_border_u[h->mbx*10+9] = h->top_border_u[h->mbx*10+8];
h->top_border_v[h->mbx*10+9] = h->top_border_v[h->mbx*10+8];
if(h->mbx && h->mby) {
h->top_border_u[h->mbx*10] = h->left_border_u[0] = h->topleft_border_u;
h->top_border_v[h->mbx*10] = h->left_border_v[0] = h->topleft_border_v;
} else {
h->left_border_u[0] = h->left_border_u[1];
h->left_border_v[0] = h->left_border_v[1];
h->top_border_u[h->mbx*10] = h->top_border_u[h->mbx*10+1];
h->top_border_v[h->mbx*10] = h->top_border_v[h->mbx*10+1];
}
}
static inline void modify_pred(const int_fast8_t *mod_table, int *mode) {
*mode = mod_table[*mode];
if(*mode < 0) {
......@@ -315,26 +248,6 @@ static inline void modify_pred(const int_fast8_t *mod_table, int *mode) {
}
}
static inline void modify_mb_i(AVSContext *h, int *pred_mode_uv) {
/* save pred modes before they get modified */
h->pred_mode_Y[3] = h->pred_mode_Y[5];
h->pred_mode_Y[6] = h->pred_mode_Y[8];
h->top_pred_Y[h->mbx*2+0] = h->pred_mode_Y[7];
h->top_pred_Y[h->mbx*2+1] = h->pred_mode_Y[8];
/* modify pred modes according to availability of neighbour samples */
if(!(h->flags & A_AVAIL)) {
modify_pred(ff_left_modifier_l, &h->pred_mode_Y[4] );
modify_pred(ff_left_modifier_l, &h->pred_mode_Y[7] );
modify_pred(ff_left_modifier_c, pred_mode_uv );
}
if(!(h->flags & B_AVAIL)) {
modify_pred(ff_top_modifier_l, &h->pred_mode_Y[4] );
modify_pred(ff_top_modifier_l, &h->pred_mode_Y[5] );
modify_pred(ff_top_modifier_c, pred_mode_uv );
}
}
static inline void set_intra_mode_default(AVSContext *h) {
h->pred_mode_Y[3] = h->pred_mode_Y[6] = INTRA_L_LP;
h->top_pred_Y[h->mbx*2+0] = h->top_pred_Y[h->mbx*2+1] = INTRA_L_LP;
......@@ -363,91 +276,6 @@ static inline void set_mv_intra(AVSContext *h) {
*h->col_type = I_8X8;
}
/**
* initialise predictors for motion vectors and intra prediction
*/
static inline void init_mb(AVSContext *h) {
int i;
/* copy predictors from top line (MB B and C) into cache */
for(i=0;i<3;i++) {
h->mv[MV_FWD_B2+i] = h->top_mv[0][h->mbx*2+i];
h->mv[MV_BWD_B2+i] = h->top_mv[1][h->mbx*2+i];
}
h->pred_mode_Y[1] = h->top_pred_Y[h->mbx*2+0];
h->pred_mode_Y[2] = h->top_pred_Y[h->mbx*2+1];
/* clear top predictors if MB B is not available */
if(!(h->flags & B_AVAIL)) {
h->mv[MV_FWD_B2] = ff_cavs_un_mv;
h->mv[MV_FWD_B3] = ff_cavs_un_mv;
h->mv[MV_BWD_B2] = ff_cavs_un_mv;
h->mv[MV_BWD_B3] = ff_cavs_un_mv;
h->pred_mode_Y[1] = h->pred_mode_Y[2] = NOT_AVAIL;
h->flags &= ~(C_AVAIL|D_AVAIL);
} else if(h->mbx) {
h->flags |= D_AVAIL;
}
if(h->mbx == h->mb_width-1) //MB C not available
h->flags &= ~C_AVAIL;
/* clear top-right predictors if MB C is not available */
if(!(h->flags & C_AVAIL)) {
h->mv[MV_FWD_C2] = ff_cavs_un_mv;
h->mv[MV_BWD_C2] = ff_cavs_un_mv;
}
/* clear top-left predictors if MB D is not available */
if(!(h->flags & D_AVAIL)) {
h->mv[MV_FWD_D3] = ff_cavs_un_mv;
h->mv[MV_BWD_D3] = ff_cavs_un_mv;
}
/* set pointer for co-located macroblock type */
h->col_type = &h->col_type_base[h->mby*h->mb_width + h->mbx];
}
/**
* save predictors for later macroblocks and increase
* macroblock address
* @returns 0 if end of frame is reached, 1 otherwise
*/
static inline int next_mb(AVSContext *h) {
int i;
h->flags |= A_AVAIL;
h->cy += 16;
h->cu += 8;
h->cv += 8;
/* copy mvs as predictors to the left */
for(i=0;i<=20;i+=4)
h->mv[i] = h->mv[i+2];
/* copy bottom mvs from cache to top line */
h->top_mv[0][h->mbx*2+0] = h->mv[MV_FWD_X2];
h->top_mv[0][h->mbx*2+1] = h->mv[MV_FWD_X3];
h->top_mv[1][h->mbx*2+0] = h->mv[MV_BWD_X2];
h->top_mv[1][h->mbx*2+1] = h->mv[MV_BWD_X3];
/* next MB address */
h->mbx++;
if(h->mbx == h->mb_width) { //new mb line
h->flags = B_AVAIL|C_AVAIL;
/* clear left pred_modes */
h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL;
/* clear left mv predictors */
for(i=0;i<=20;i+=4)
h->mv[i] = ff_cavs_un_mv;
h->mbx = 0;
h->mby++;
/* re-calculate sample pointers */
h->cy = h->picture.data[0] + h->mby*16*h->l_stride;
h->cu = h->picture.data[1] + h->mby*8*h->c_stride;
h->cv = h->picture.data[2] + h->mby*8*h->c_stride;
if(h->mby == h->mb_height) { //frame end
return 0;
} else {
//check_for_slice(h);
}
}
return 1;
}
static inline int dequant(AVSContext *h, DCTELEM *level_buf, uint8_t *run_buf,
DCTELEM *dst, int mul, int shift, int coeff_num) {
int round = 1 << (shift - 1);
......@@ -469,9 +297,15 @@ static inline int dequant(AVSContext *h, DCTELEM *level_buf, uint8_t *run_buf,
}
void ff_cavs_filter(AVSContext *h, enum mb_t mb_type);
void ff_cavs_load_intra_pred_luma(AVSContext *h, uint8_t *top, uint8_t **left,
int block);
void ff_cavs_load_intra_pred_chroma(AVSContext *h);
void ff_cavs_modify_mb_i(AVSContext *h, int *pred_mode_uv);
void ff_cavs_inter(AVSContext *h, enum mb_t mb_type);
void ff_cavs_mv(AVSContext *h, enum mv_loc_t nP, enum mv_loc_t nC,
enum mv_pred_t mode, enum block_t size, int ref);
void ff_cavs_init_mb(AVSContext *h);
int ff_cavs_next_mb(AVSContext *h);
void ff_cavs_init_pic(AVSContext *h);
void ff_cavs_init_top_lines(AVSContext *h);
int ff_cavs_init(AVCodecContext *avctx);
......
libavcodec/cavsdec.c
View file @ 5d2b15b8
......@@ -193,7 +193,7 @@ static int decode_mb_i(AVSContext *h, int cbp_code) {
uint8_t *left = NULL;
uint8_t *d;
init_mb(h);
ff_cavs_init_mb(h);
/* get intra prediction modes from stream */
for(block=0;block<4;block++) {
......@@ -216,7 +216,7 @@ static int decode_mb_i(AVSContext *h, int cbp_code) {
av_log(h->s.avctx, AV_LOG_ERROR, "illegal intra chroma pred mode\n");
return -1;
}
modify_mb_i(h, &pred_mode_uv);
ff_cavs_modify_mb_i(h, &pred_mode_uv);
/* get coded block pattern */
if(h->pic_type == FF_I_TYPE)
......@@ -232,7 +232,7 @@ static int decode_mb_i(AVSContext *h, int cbp_code) {
/* luma intra prediction interleaved with residual decode/transform/add */
for(block=0;block<4;block++) {
d = h->cy + h->luma_scan[block];
load_intra_pred_luma(h, top, &left, block);
ff_cavs_load_intra_pred_luma(h, top, &left, block);
h->intra_pred_l[h->pred_mode_Y[ff_cavs_scan3x3[block]]]
(d, top, left, h->l_stride);
if(h->cbp & (1<<block))
......@@ -240,7 +240,7 @@ static int decode_mb_i(AVSContext *h, int cbp_code) {
}
/* chroma intra prediction */
load_intra_pred_chroma(h);
ff_cavs_load_intra_pred_chroma(h);
h->intra_pred_c[pred_mode_uv](h->cu, &h->top_border_u[h->mbx*10],
h->left_border_u, h->c_stride);
h->intra_pred_c[pred_mode_uv](h->cv, &h->top_border_v[h->mbx*10],
......@@ -256,7 +256,7 @@ static void decode_mb_p(AVSContext *h, enum mb_t mb_type) {
GetBitContext *gb = &h->s.gb;
int ref[4];
init_mb(h);
ff_cavs_init_mb(h);
switch(mb_type) {
case P_SKIP:
ff_cavs_mv(h, MV_FWD_X0, MV_FWD_C2, MV_PRED_PSKIP, BLK_16X16, 0);
......@@ -301,7 +301,7 @@ static void decode_mb_b(AVSContext *h, enum mb_t mb_type) {
enum sub_mb_t sub_type[4];
int flags;
init_mb(h);
ff_cavs_init_mb(h);
/* reset all MVs */
h->mv[MV_FWD_X0] = ff_cavs_dir_mv;
......@@ -527,14 +527,14 @@ static int decode_pic(AVSContext *h) {
if(h->pic_type == FF_I_TYPE) {
do {
decode_mb_i(h, 0);
} while(next_mb(h));
} while(ff_cavs_next_mb(h));
} else if(h->pic_type == FF_P_TYPE) {
do {
if(h->skip_mode_flag) {
skip_count = get_ue_golomb(&s->gb);
while(skip_count--) {
decode_mb_p(h,P_SKIP);
if(!next_mb(h))
if(!ff_cavs_next_mb(h))
goto done;
}
mb_type = get_ue_golomb(&s->gb) + P_16X16;
......@@ -544,14 +544,14 @@ static int decode_pic(AVSContext *h) {
decode_mb_i(h, mb_type - P_8X8 - 1);
} else
decode_mb_p(h,mb_type);
} while(next_mb(h));
} while(ff_cavs_next_mb(h));
} else { /* FF_B_TYPE */
do {
if(h->skip_mode_flag) {
skip_count = get_ue_golomb(&s->gb);
while(skip_count--) {
decode_mb_b(h,B_SKIP);
if(!next_mb(h))
if(!ff_cavs_next_mb(h))
goto done;
}
mb_type = get_ue_golomb(&s->gb) + B_DIRECT;
......@@ -561,7 +561,7 @@ static int decode_pic(AVSContext *h) {
decode_mb_i(h, mb_type - B_8X8 - 1);
} else
decode_mb_b(h,mb_type);
} while(next_mb(h));
} while(ff_cavs_next_mb(h));
}
done:
if(h->pic_type != FF_B_TYPE) {
......
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