RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Switch VC-1 decoder to output decoded residual immediately. 

Originally committed as revision 11188 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2007-12-08 10:41:18 +00:00
parent 30ea307544
commit d2e45f33a4
4 changed files with 54 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/dsputil.h
View File

@ -407,9 +407,9 @@ typedef struct DSPContext {
/* vc1 functions */
void (*vc1_inv_trans_8x8)(DCTELEM *b);
void (*vc1_inv_trans_8x4)(DCTELEM *b, int n);
void (*vc1_inv_trans_4x8)(DCTELEM *b, int n);
void (*vc1_inv_trans_4x4)(DCTELEM *b, int n);
void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
void (*vc1_v_overlap)(uint8_t* src, int stride);
void (*vc1_h_overlap)(uint8_t* src, int stride);
/* put 8x8 block with bicubic interpolation and quarterpel precision

2
libavcodec/ppc/vc1dsp_altivec.c
View File

@ -332,5 +332,5 @@ static void vc1_inv_trans_8x4_altivec(DCTELEM block[64], int n)
void vc1dsp_init_altivec(DSPContext* dsp, AVCodecContext *avctx) {
dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_altivec;
dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_altivec;
//dsp->vc1_inv_trans_8x4 = vc1_inv_trans_8x4_altivec;
}

32
libavcodec/vc1.c
View File

@ -2884,7 +2884,8 @@ static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n, int c
/** Decode P block
*/
static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquant, int ttmb, int first_block)
static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquant, int ttmb, int first_block,
uint8_t *dst, int linesize, int skip_block)
{
MpegEncContext *s = &v->s;
GetBitContext *gb = &s->gb;
@ -2930,7 +2931,10 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquan
if(!v->pquantizer)
block[idx] += (block[idx] < 0) ? -mquant : mquant;
}
s->dsp.vc1_inv_trans_8x8(block);
if(!skip_block){
s->dsp.vc1_inv_trans_8x8(block);
s->dsp.add_pixels_clamped(block, dst, linesize);
}
break;
case TT_4X4:
for(j = 0; j < 4; j++) {
@ -2947,8 +2951,8 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquan
if(!v->pquantizer)
block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
}
if(!(subblkpat & (1 << (3 - j))))
s->dsp.vc1_inv_trans_4x4(block, j);
if(!(subblkpat & (1 << (3 - j))) && !skip_block)
s->dsp.vc1_inv_trans_4x4(dst + (j&1)*4 + (j&2)*2*linesize, linesize, block + off);
}
break;
case TT_8X4:
@ -2969,8 +2973,8 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquan
if(!v->pquantizer)
block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
}
if(!(subblkpat & (1 << (1 - j))))
s->dsp.vc1_inv_trans_8x4(block, j);
if(!(subblkpat & (1 << (1 - j))) && !skip_block)
s->dsp.vc1_inv_trans_8x4(dst + j*4*linesize, linesize, block + off);
}
break;
case TT_4X8:
@ -2991,8 +2995,8 @@ static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n, int mquan
if(!v->pquantizer)
block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
}
if(!(subblkpat & (1 << (1 - j))))
s->dsp.vc1_inv_trans_4x8(block, j);
if(!(subblkpat & (1 << (1 - j))) && !skip_block)
s->dsp.vc1_inv_trans_4x8(dst + j*4, linesize, block + off);
}
break;
}
@ -3101,11 +3105,9 @@ static int vc1_decode_p_mb(VC1Context *v)
s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(val) {
vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
if((i<4) || !(s->flags & CODEC_FLAG_GRAY))
s->dsp.add_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
}
}
}
@ -3203,11 +3205,9 @@ static int vc1_decode_p_mb(VC1Context *v)
s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(is_coded[i]) {
status = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
status = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
if((i<4) || !(s->flags & CODEC_FLAG_GRAY))
s->dsp.add_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
}
}
return status;
@ -3377,11 +3377,9 @@ static void vc1_decode_b_mb(VC1Context *v)
if(v->rangeredfrm) for(j = 0; j < 64; j++) s->block[i][j] <<= 1;
s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
} else if(val) {
vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block, s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize, (i&4) && (s->flags & CODEC_FLAG_GRAY));
if(!v->ttmbf && ttmb < 8) ttmb = -1;
first_block = 0;
if((i<4) || !(s->flags & CODEC_FLAG_GRAY))
s->dsp.add_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
}
}
}

76
libavcodec/vc1dsp.c
View File

@ -152,16 +152,15 @@ static void vc1_inv_trans_8x8_c(DCTELEM block[64])
/** Do inverse transform on 8x4 part of block
*/
static void vc1_inv_trans_8x4_c(DCTELEM block[64], int n)
static void vc1_inv_trans_8x4_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int i;
register int t1,t2,t3,t4,t5,t6,t7,t8;
DCTELEM *src, *dst;
int off;
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
off = n * 32;
src = block + off;
dst = block + off;
src = block;
dst = block;
for(i = 0; i < 4; i++){
t1 = 12 * (src[0] + src[4]);
t2 = 12 * (src[0] - src[4]);
@ -191,8 +190,7 @@ static void vc1_inv_trans_8x4_c(DCTELEM block[64], int n)
dst += 8;
}
src = block + off;
dst = block + off;
src = block;
for(i = 0; i < 8; i++){
t1 = 17 * (src[ 0] + src[16]);
t2 = 17 * (src[ 0] - src[16]);
@ -201,28 +199,27 @@ static void vc1_inv_trans_8x4_c(DCTELEM block[64], int n)
t5 = 10 * src[ 8];
t6 = 10 * src[24];
dst[ 0] = (t1 + t3 + t6 + 64) >> 7;
dst[ 8] = (t2 - t4 + t5 + 64) >> 7;
dst[16] = (t2 + t4 - t5 + 64) >> 7;
dst[24] = (t1 - t3 - t6 + 64) >> 7;
dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3 + t6 + 64) >> 7)];
dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4 + t5 + 64) >> 7)];
dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4 - t5 + 64) >> 7)];
dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3 - t6 + 64) >> 7)];
src ++;
dst ++;
dest++;
}
}
/** Do inverse transform on 4x8 parts of block
*/
static void vc1_inv_trans_4x8_c(DCTELEM block[64], int n)
static void vc1_inv_trans_4x8_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int i;
register int t1,t2,t3,t4,t5,t6,t7,t8;
DCTELEM *src, *dst;
int off;
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
off = n * 4;
src = block + off;
dst = block + off;
src = block;
dst = block;
for(i = 0; i < 8; i++){
t1 = 17 * (src[0] + src[2]);
t2 = 17 * (src[0] - src[2]);
@ -240,8 +237,7 @@ static void vc1_inv_trans_4x8_c(DCTELEM block[64], int n)
dst += 8;
}
src = block + off;
dst = block + off;
src = block;
for(i = 0; i < 4; i++){
t1 = 12 * (src[ 0] + src[32]);
t2 = 12 * (src[ 0] - src[32]);
@ -258,32 +254,31 @@ static void vc1_inv_trans_4x8_c(DCTELEM block[64], int n)
t3 = 9 * src[ 8] - 16 * src[24] + 4 * src[40] + 15 * src[56];
t4 = 4 * src[ 8] - 9 * src[24] + 15 * src[40] - 16 * src[56];
dst[ 0] = (t5 + t1 + 64) >> 7;
dst[ 8] = (t6 + t2 + 64) >> 7;
dst[16] = (t7 + t3 + 64) >> 7;
dst[24] = (t8 + t4 + 64) >> 7;
dst[32] = (t8 - t4 + 64 + 1) >> 7;
dst[40] = (t7 - t3 + 64 + 1) >> 7;
dst[48] = (t6 - t2 + 64 + 1) >> 7;
dst[56] = (t5 - t1 + 64 + 1) >> 7;
dest[0*linesize] = cm[dest[0*linesize] + ((t5 + t1 + 64) >> 7)];
dest[1*linesize] = cm[dest[1*linesize] + ((t6 + t2 + 64) >> 7)];
dest[2*linesize] = cm[dest[2*linesize] + ((t7 + t3 + 64) >> 7)];
dest[3*linesize] = cm[dest[3*linesize] + ((t8 + t4 + 64) >> 7)];
dest[4*linesize] = cm[dest[4*linesize] + ((t8 - t4 + 64 + 1) >> 7)];
dest[5*linesize] = cm[dest[5*linesize] + ((t7 - t3 + 64 + 1) >> 7)];
dest[6*linesize] = cm[dest[6*linesize] + ((t6 - t2 + 64 + 1) >> 7)];
dest[7*linesize] = cm[dest[7*linesize] + ((t5 - t1 + 64 + 1) >> 7)];
src++;
dst++;
src ++;
dest++;
}
}
/** Do inverse transform on 4x4 part of block
*/
static void vc1_inv_trans_4x4_c(DCTELEM block[64], int n)
static void vc1_inv_trans_4x4_c(uint8_t *dest, int linesize, DCTELEM *block)
{
int i;
register int t1,t2,t3,t4,t5,t6;
DCTELEM *src, *dst;
int off;
const uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
off = (n&1) * 4 + (n&2) * 16;
src = block + off;
dst = block + off;
src = block;
dst = block;
for(i = 0; i < 4; i++){
t1 = 17 * (src[0] + src[2]);
t2 = 17 * (src[0] - src[2]);
@ -301,8 +296,7 @@ static void vc1_inv_trans_4x4_c(DCTELEM block[64], int n)
dst += 8;
}
src = block + off;
dst = block + off;
src = block;
for(i = 0; i < 4; i++){
t1 = 17 * (src[ 0] + src[16]);
t2 = 17 * (src[ 0] - src[16]);
@ -311,13 +305,13 @@ static void vc1_inv_trans_4x4_c(DCTELEM block[64], int n)
t5 = 10 * src[ 8];
t6 = 10 * src[24];
dst[ 0] = (t1 + t3 + t6 + 64) >> 7;
dst[ 8] = (t2 - t4 + t5 + 64) >> 7;
dst[16] = (t2 + t4 - t5 + 64) >> 7;
dst[24] = (t1 - t3 - t6 + 64) >> 7;
dest[0*linesize] = cm[dest[0*linesize] + ((t1 + t3 + t6 + 64) >> 7)];
dest[1*linesize] = cm[dest[1*linesize] + ((t2 - t4 + t5 + 64) >> 7)];
dest[2*linesize] = cm[dest[2*linesize] + ((t2 + t4 - t5 + 64) >> 7)];
dest[3*linesize] = cm[dest[3*linesize] + ((t1 - t3 - t6 + 64) >> 7)];
src ++;
dst ++;
dest++;
}
}