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Change the type of pblocks from pointers to short array into 

pointers to array of 64 DCTELEM, similarly to other block fields.
This also get rid of some casts and fixes a warning.

Originally committed as revision 17517 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivan Kalvachev 2009-02-22 09:02:06 +00:00
parent d8f28a7727
commit 21effaa4b2
4 changed files with 20 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
libavcodec/mpeg12.c
View File

@ -308,17 +308,17 @@ static int mpeg_decode_mb(MpegEncContext *s,
if (s->codec_id == CODEC_ID_MPEG2VIDEO) {
if(s->flags2 & CODEC_FLAG2_FAST){
for(i=0;i<6;i++) {
mpeg2_fast_decode_block_intra(s, s->pblocks[i], i);
mpeg2_fast_decode_block_intra(s, *s->pblocks[i], i);
}
}else{
for(i=0;i<mb_block_count;i++) {
if (mpeg2_decode_block_intra(s, s->pblocks[i], i) < 0)
if (mpeg2_decode_block_intra(s, *s->pblocks[i], i) < 0)
return -1;
}
}
} else {
for(i=0;i<6;i++) {
if (ff_mpeg1_decode_block_intra(s, s->pblocks[i], i) < 0)
if (ff_mpeg1_decode_block_intra(s, *s->pblocks[i], i) < 0)
return -1;
}
}
@ -520,7 +520,7 @@ static int mpeg_decode_mb(MpegEncContext *s,
if(s->flags2 & CODEC_FLAG2_FAST){
for(i=0;i<6;i++) {
if(cbp & 32) {
mpeg2_fast_decode_block_non_intra(s, s->pblocks[i], i);
mpeg2_fast_decode_block_non_intra(s, *s->pblocks[i], i);
} else {
s->block_last_index[i] = -1;
}
@ -531,7 +531,7 @@ static int mpeg_decode_mb(MpegEncContext *s,
for(i=0;i<mb_block_count;i++) {
if ( cbp & (1<<11) ) {
if (mpeg2_decode_block_non_intra(s, s->pblocks[i], i) < 0)
if (mpeg2_decode_block_non_intra(s, *s->pblocks[i], i) < 0)
return -1;
} else {
s->block_last_index[i] = -1;
@ -543,7 +543,7 @@ static int mpeg_decode_mb(MpegEncContext *s,
if(s->flags2 & CODEC_FLAG2_FAST){
for(i=0;i<6;i++) {
if (cbp & 32) {
mpeg1_fast_decode_block_inter(s, s->pblocks[i], i);
mpeg1_fast_decode_block_inter(s, *s->pblocks[i], i);
} else {
s->block_last_index[i] = -1;
}
@ -552,7 +552,7 @@ static int mpeg_decode_mb(MpegEncContext *s,
}else{
for(i=0;i<6;i++) {
if (cbp & 32) {
if (mpeg1_decode_block_inter(s, s->pblocks[i], i) < 0)
if (mpeg1_decode_block_inter(s, *s->pblocks[i], i) < 0)
return -1;
} else {
s->block_last_index[i] = -1;
@ -1595,7 +1595,9 @@ static void mpeg_decode_extension(AVCodecContext *avctx,
}
static void exchange_uv(MpegEncContext *s){
short * tmp = s->pblocks[4];
DCTELEM (*tmp)[64];
tmp = s->pblocks[4];
s->pblocks[4] = s->pblocks[5];
s->pblocks[5] = tmp;
}

4
libavcodec/mpegvideo.c
View File

@ -301,7 +301,7 @@ static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base){
s->block= s->blocks[0];
for(i=0;i<12;i++){
s->pblocks[i] = (short *)(&s->block[i]);
s->pblocks[i] = &s->block[i];
}
return 0;
fail:
@ -357,7 +357,7 @@ void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src){
memcpy(dst, src, sizeof(MpegEncContext));
backup_duplicate_context(dst, &bak);
for(i=0;i<12;i++){
dst->pblocks[i] = (short *)(&dst->block[i]);
dst->pblocks[i] = &dst->block[i];
}
//STOP_TIMER("update_duplicate_context") //about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
}

2
libavcodec/mpegvideo.h
View File

@ -635,7 +635,7 @@ typedef struct MpegEncContext {
uint8_t *ptr_lastgob;
int swap_uv;//vcr2 codec is mpeg2 varint with UV swaped
short * pblocks[12];
DCTELEM (*pblocks[12])[64];
DCTELEM (*block)[64]; ///< points to one of the following blocks
DCTELEM (*blocks)[8][64]; // for HQ mode we need to keep the best block

14
libavcodec/mpegvideo_xvmc.c
View File

@ -44,7 +44,7 @@ void ff_xvmc_init_block(MpegEncContext *s)
struct xvmc_pix_fmt *render = (struct xvmc_pix_fmt*)s->current_picture.data[2];
assert(render && render->xvmc_id == AV_XVMC_ID);
s->block = (DCTELEM *)(render->data_blocks + render->next_free_data_block_num * 64);
s->block = (DCTELEM (*)[64])(render->data_blocks + render->next_free_data_block_num * 64);
}
/**
@ -59,7 +59,7 @@ void ff_xvmc_pack_pblocks(MpegEncContext *s, int cbp)
cbp <<= 12-mb_block_count;
for (i = 0; i < mb_block_count; i++) {
if (cbp & (1 << 11))
s->pblocks[i] = (short *)(&s->block[j++]);
s->pblocks[i] = &s->block[j++];
else
s->pblocks[i] = NULL;
cbp += cbp;
@ -285,9 +285,9 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
if (s->flags & CODEC_FLAG_GRAY) {
if (s->mb_intra) { // intra frames are always full chroma blocks
for (i = 4; i < blocks_per_mb; i++) {
memset(s->pblocks[i], 0, sizeof(*s->pblocks[i])*64); // so we need to clear them
memset(s->pblocks[i], 0, sizeof(*s->pblocks[i])); // so we need to clear them
if (!render->unsigned_intra)
s->pblocks[i][0] = 1 << 10;
*s->pblocks[i][0] = 1 << 10;
}
} else {
cbp &= 0xf << (blocks_per_mb - 4);
@ -302,9 +302,9 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
if (s->block_last_index[i] >= 0) {
// I do not have unsigned_intra MOCO to test, hope it is OK.
if (s->mb_intra && (render->idct || (!render->idct && !render->unsigned_intra)))
s->pblocks[i][0] -= 1 << 10;
*s->pblocks[i][0] -= 1 << 10;
if (!render->idct) {
s->dsp.idct(s->pblocks[i]);
s->dsp.idct(*s->pblocks[i]);
/* It is unclear if MC hardware requires pixel diff values to be
* in the range [-255;255]. TODO: Clipping if such hardware is
* ever found. As of now it would only be an unnecessary
@ -313,7 +313,7 @@ void ff_xvmc_decode_mb(MpegEncContext *s)
// copy blocks only if the codec doesn't support pblocks reordering
if (s->avctx->xvmc_acceleration == 1) {
memcpy(&render->data_blocks[render->next_free_data_block_num*64],
s->pblocks[i], sizeof(*s->pblocks[i])*64);
s->pblocks[i], sizeof(*s->pblocks[i]));
}
render->next_free_data_block_num++;
}