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ffmpeg.wasm-core
Commit 3dd46a29 authored by Måns Rullgård's avatar Måns Rullgård
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get rid of veccpy(), replace with simple assignment 

Originally committed as revision 5568 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 0abc2e73
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Showing with 33 additions and 37 deletions
libavcodec/cavs.c
View file @ 3dd46a29
......@@ -530,29 +530,25 @@ static void inter_pred(AVSContext *h) {
*
****************************************************************************/
static inline void veccpy(vector_t *dst, vector_t *src) {
*((uint64_t *)dst) = *((uint64_t *)src);
}
static inline void set_mvs(vector_t *mv, enum block_t size) {
switch(size) {
case BLK_16X16:
veccpy(mv+MV_STRIDE ,mv);
veccpy(mv+MV_STRIDE+1,mv);
mv[MV_STRIDE ] = mv[0];
mv[MV_STRIDE+1] = mv[0];
case BLK_16X8:
veccpy(mv +1,mv);
mv[1] = mv[0];
break;
case BLK_8X16:
veccpy(mv+MV_STRIDE ,mv);
mv[MV_STRIDE] = mv[0];
break;
}
}
static inline void store_mvs(AVSContext *h) {
veccpy(&h->col_mv[(h->mby*h->mb_width + h->mbx)*4 + 0], &h->mv[MV_FWD_X0]);
veccpy(&h->col_mv[(h->mby*h->mb_width + h->mbx)*4 + 1], &h->mv[MV_FWD_X1]);
veccpy(&h->col_mv[(h->mby*h->mb_width + h->mbx)*4 + 2], &h->mv[MV_FWD_X2]);
veccpy(&h->col_mv[(h->mby*h->mb_width + h->mbx)*4 + 3], &h->mv[MV_FWD_X3]);
h->col_mv[(h->mby*h->mb_width + h->mbx)*4 + 0] = h->mv[MV_FWD_X0];
h->col_mv[(h->mby*h->mb_width + h->mbx)*4 + 1] = h->mv[MV_FWD_X1];
h->col_mv[(h->mby*h->mb_width + h->mbx)*4 + 2] = h->mv[MV_FWD_X2];
h->col_mv[(h->mby*h->mb_width + h->mbx)*4 + 3] = h->mv[MV_FWD_X3];
}
static inline void scale_mv(AVSContext *h, int *d_x, int *d_y, vector_t *src, int distp) {
......@@ -784,17 +780,17 @@ static inline void init_mb(AVSContext *h) {
/* copy predictors from top line (MB B and C) into cache */
for(i=0;i<3;i++) {
veccpy(&h->mv[MV_FWD_B2+i],&h->top_mv[0][h->mbx*2+i]);
veccpy(&h->mv[MV_BWD_B2+i],&h->top_mv[1][h->mbx*2+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)) {
veccpy(&h->mv[MV_FWD_B2],(vector_t *)&un_mv);
veccpy(&h->mv[MV_FWD_B3],(vector_t *)&un_mv);
veccpy(&h->mv[MV_BWD_B2],(vector_t *)&un_mv);
veccpy(&h->mv[MV_BWD_B3],(vector_t *)&un_mv);
h->mv[MV_FWD_B2] = un_mv;
h->mv[MV_FWD_B3] = un_mv;
h->mv[MV_BWD_B2] = un_mv;
h->mv[MV_BWD_B3] = un_mv;
h->pred_mode_Y[1] = h->pred_mode_Y[2] = NOT_AVAIL;
h->flags &= ~(C_AVAIL|D_AVAIL);
} else if(h->mbx) {
......@@ -804,13 +800,13 @@ static inline void init_mb(AVSContext *h) {
h->flags &= ~C_AVAIL;
/* clear top-right predictors if MB C is not available */
if(!(h->flags & C_AVAIL)) {
veccpy(&h->mv[MV_FWD_C2],(vector_t *)&un_mv);
veccpy(&h->mv[MV_BWD_C2],(vector_t *)&un_mv);
h->mv[MV_FWD_C2] = un_mv;
h->mv[MV_BWD_C2] = un_mv;
}
/* clear top-left predictors if MB D is not available */
if(!(h->flags & D_AVAIL)) {
veccpy(&h->mv[MV_FWD_D3],(vector_t *)&un_mv);
veccpy(&h->mv[MV_BWD_D3],(vector_t *)&un_mv);
h->mv[MV_FWD_D3] = un_mv;
h->mv[MV_BWD_D3] = un_mv;
}
/* set pointer for co-located macroblock type */
h->col_type = &h->col_type_base[h->mby*h->mb_width + h->mbx];
......@@ -827,12 +823,12 @@ static inline int next_mb(AVSContext *h) {
h->cv += 8;
/* copy mvs as predictors to the left */
for(i=0;i<=20;i+=4)
veccpy(&h->mv[i],&h->mv[i+2]);
h->mv[i] = h->mv[i+2];
/* copy bottom mvs from cache to top line */
veccpy(&h->top_mv[0][h->mbx*2+0],&h->mv[MV_FWD_X2]);
veccpy(&h->top_mv[0][h->mbx*2+1],&h->mv[MV_FWD_X3]);
veccpy(&h->top_mv[1][h->mbx*2+0],&h->mv[MV_BWD_X2]);
veccpy(&h->top_mv[1][h->mbx*2+1],&h->mv[MV_BWD_X3]);
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
......@@ -841,7 +837,7 @@ static inline int next_mb(AVSContext *h) {
h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL;
/* clear left mv predictors */
for(i=0;i<=20;i+=4)
veccpy(&h->mv[i],(vector_t *)&un_mv);
h->mv[i] = un_mv;
h->mbx = 0;
h->mby++;
/* re-calculate sample pointers */
......@@ -935,9 +931,9 @@ static void decode_mb_i(AVSContext *h, int is_i_pic) {
filter_mb(h,I_8X8);
/* mark motion vectors as intra */
veccpy( &h->mv[MV_FWD_X0], (vector_t *)&intra_mv);
h->mv[MV_FWD_X0] = intra_mv;
set_mvs(&h->mv[MV_FWD_X0], BLK_16X16);
veccpy( &h->mv[MV_BWD_X0], (vector_t *)&intra_mv);
h->mv[MV_BWD_X0] = intra_mv;
set_mvs(&h->mv[MV_BWD_X0], BLK_16X16);
if(h->pic_type != FF_B_TYPE)
*h->col_type = I_8X8;
......@@ -1015,9 +1011,9 @@ static void decode_mb_b(AVSContext *h, enum mb_t mb_type) {
int flags;
/* reset all MVs */
veccpy( &h->mv[MV_FWD_X0], (vector_t *)&dir_mv);
h->mv[MV_FWD_X0] = dir_mv;
set_mvs(&h->mv[MV_FWD_X0], BLK_16X16);
veccpy( &h->mv[MV_BWD_X0], (vector_t *)&dir_mv);
h->mv[MV_BWD_X0] = dir_mv;
set_mvs(&h->mv[MV_BWD_X0], BLK_16X16);
switch(mb_type) {
case B_SKIP:
......@@ -1163,10 +1159,10 @@ static void init_pic(AVSContext *h) {
/* clear some predictors */
for(i=0;i<=20;i+=4)
veccpy(&h->mv[i],(vector_t *)&un_mv);
veccpy(&h->mv[MV_BWD_X0], (vector_t *)&dir_mv);
h->mv[i] = un_mv;
h->mv[MV_BWD_X0] = dir_mv;
set_mvs(&h->mv[MV_BWD_X0], BLK_16X16);
veccpy(&h->mv[MV_FWD_X0], (vector_t *)&dir_mv);
h->mv[MV_FWD_X0] = dir_mv;
set_mvs(&h->mv[MV_FWD_X0], BLK_16X16);
h->pred_mode_Y[3] = h->pred_mode_Y[6] = NOT_AVAIL;
h->cy = h->picture.data[0];
......@@ -1516,8 +1512,8 @@ static int cavs_decode_init(AVCodecContext * avctx) {
h->intra_pred_c[ INTRA_C_LP_LEFT] = intra_pred_lp_left;
h->intra_pred_c[ INTRA_C_LP_TOP] = intra_pred_lp_top;
h->intra_pred_c[ INTRA_C_DC_128] = intra_pred_dc_128;
veccpy(&h->mv[ 7], (vector_t *)&un_mv);
veccpy(&h->mv[19], (vector_t *)&un_mv);
h->mv[ 7] = un_mv;
h->mv[19] = un_mv;
return 0;
}
......
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