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-rw-r--r--libhb/deblock.c204
1 files changed, 102 insertions, 102 deletions
diff --git a/libhb/deblock.c b/libhb/deblock.c
index 2d8b16658..dbf39c606 100644
--- a/libhb/deblock.c
+++ b/libhb/deblock.c
@@ -1,16 +1,16 @@
/*
Copyright (C) 2005 Michael Niedermayer <[email protected]>
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
@@ -41,39 +41,39 @@ static const uint8_t __attribute__((aligned(8))) pp7_dither[8][8] =
{ 42, 26, 38, 22, 41, 25, 37, 21, },
};
-struct hb_filter_private_s
+struct hb_filter_private_s
{
int pix_fmt;
int width[3];
int height[3];
-
+
int pp7_qp;
int pp7_mode;
int pp7_mpeg2;
int pp7_temp_stride;
uint8_t * pp7_src;
-
+
AVPicture pic_in;
- AVPicture pic_out;
+ AVPicture pic_out;
hb_buffer_t * buf_out;
};
-hb_filter_private_t * hb_deblock_init( int pix_fmt,
- int width,
+hb_filter_private_t * hb_deblock_init( int pix_fmt,
+ int width,
int height,
char * settings );
int hb_deblock_work( const hb_buffer_t * buf_in,
hb_buffer_t ** buf_out,
int pix_fmt,
- int width,
+ int width,
int height,
hb_filter_private_t * pv );
void hb_deblock_close( hb_filter_private_t * pv );
hb_filter_object_t hb_filter_deblock =
-{
+{
FILTER_DEBLOCK,
"Deblock (pp7)",
NULL,
@@ -85,25 +85,25 @@ hb_filter_object_t hb_filter_deblock =
static inline void pp7_dct_a( DCTELEM * dst, uint8_t * src, int stride )
{
int i;
-
+
for( i = 0; i < 4; i++ )
{
int s0 = src[0*stride] + src[6*stride];
int s1 = src[1*stride] + src[5*stride];
int s2 = src[2*stride] + src[4*stride];
- int s3 = src[3*stride];
- int s = s3+s3;
-
+ int s3 = src[3*stride];
+ int s = s3+s3;
+
s3 = s - s0;
s0 = s + s0;
s = s2 + s1;
s2 = s2 - s1;
-
+
dst[0] = s0 + s;
dst[2] = s0 - s;
dst[1] = 2*s3 + s2;
dst[3] = s3 - s2*2;
-
+
src++;
dst += 4;
}
@@ -112,25 +112,25 @@ static inline void pp7_dct_a( DCTELEM * dst, uint8_t * src, int stride )
static void pp7_dct_b( DCTELEM * dst, DCTELEM * src )
{
int i;
-
+
for( i = 0; i < 4; i++ )
{
int s0 = src[0*4] + src[6*4];
int s1 = src[1*4] + src[5*4];
int s2 = src[2*4] + src[4*4];
- int s3 = src[3*4];
+ int s3 = src[3*4];
int s = s3+s3;
-
+
s3 = s - s0;
s0 = s + s0;
s = s2 + s1;
s2 = s2 - s1;
-
+
dst[0*4] = s0 + s;
dst[2*4] = s0 - s;
dst[1*4] = 2*s3 + s2;
dst[3*4] = s3 - s2*2;
-
+
src++;
dst++;
}
@@ -158,13 +158,13 @@ static void pp7_init_threshold( void )
{
int qp, i;
int bias = 0;
-
+
for( qp = 0; qp < 99; qp++ )
{
for( i = 0; i < 16; i++ )
{
- pp7_threshold[qp][i] =
- ((i&1)?SN2:SN0) * ((i&4)?SN2:SN0) *
+ pp7_threshold[qp][i] =
+ ((i&1)?SN2:SN0) * ((i&4)?SN2:SN0) *
XMAX(1,qp) * (1<<2) - 1 - bias;
}
}
@@ -172,9 +172,9 @@ static void pp7_init_threshold( void )
static int pp7_hard_threshold( DCTELEM * src, int qp )
{
- int i;
+ int i;
int a;
-
+
a = src[0] * pp7_factor[0];
for( i = 1; i < 16; i++ )
{
@@ -191,9 +191,9 @@ static int pp7_hard_threshold( DCTELEM * src, int qp )
static int pp7_medium_threshold( DCTELEM * src, int qp )
{
- int i;
+ int i;
int a;
-
+
a = src[0] * pp7_factor[0];
for( i = 1; i < 16; i++ )
{
@@ -208,7 +208,7 @@ static int pp7_medium_threshold( DCTELEM * src, int qp )
}
else
{
- if( level>0 )
+ if( level>0 )
{
a += 2*(level - (int)threshold1) * pp7_factor[i];
}
@@ -224,9 +224,9 @@ static int pp7_medium_threshold( DCTELEM * src, int qp )
static int pp7_soft_threshold( DCTELEM * src, int qp )
{
- int i;
+ int i;
int a;
-
+
a = src[0] * pp7_factor[0];
for( i = 1; i < 16; i++ )
{
@@ -235,7 +235,7 @@ static int pp7_soft_threshold( DCTELEM * src, int qp )
int level= src[i];
if( ((unsigned)(level+threshold1))>threshold2 )
{
- if( level>0 )
+ if( level>0 )
{
a += (level - (int)threshold1) * pp7_factor[i];
}
@@ -250,47 +250,47 @@ static int pp7_soft_threshold( DCTELEM * src, int qp )
static int ( * pp7_requantize )( DCTELEM * src, int qp ) = pp7_hard_threshold;
-static void pp7_filter( hb_filter_private_t * pv,
- uint8_t * dst,
- uint8_t * src,
- int width,
- int height,
- uint8_t * qp_store,
- int qp_stride,
+static void pp7_filter( hb_filter_private_t * pv,
+ uint8_t * dst,
+ uint8_t * src,
+ int width,
+ int height,
+ uint8_t * qp_store,
+ int qp_stride,
int is_luma)
{
int x, y;
-
+
const int stride = is_luma ? pv->pp7_temp_stride : ((width+16+15)&(~15));
uint8_t * p_src = pv->pp7_src + 8*stride;
DCTELEM * block = (DCTELEM *)(pv->pp7_src);
DCTELEM * temp = (DCTELEM *)(pv->pp7_src + 32);
-
- if( !src || !dst )
+
+ if( !src || !dst )
{
return;
}
-
+
for( y = 0; y < height; y++ )
{
int index = 8 + 8*stride + y*stride;
memcpy( p_src + index, src + y*width, width );
-
+
for( x = 0; x < 8; x++ )
- {
+ {
p_src[index - x - 1] = p_src[index + x ];
p_src[index + width + x ] = p_src[index + width - x - 1];
}
}
-
+
for( y = 0; y < 8; y++ )
{
- memcpy( p_src + ( 7-y)*stride,
+ memcpy( p_src + ( 7-y)*stride,
p_src + ( y+8)*stride, stride );
- memcpy( p_src + (height+8+y)*stride,
+ memcpy( p_src + (height+8+y)*stride,
p_src + (height-y+7)*stride, stride );
}
-
+
for( y = 0; y < height; y++ )
{
for( x = -8; x < 0; x += 4 )
@@ -298,15 +298,15 @@ static void pp7_filter( hb_filter_private_t * pv,
const int index = x + y*stride + (8-3)*(1+stride) + 8;
uint8_t * src = p_src + index;
DCTELEM * tp = temp+4*x;
-
+
pp7_dct_a( tp+4*8, src, stride );
- }
-
+ }
+
for( x = 0; x < width; )
{
const int qps = 3 + is_luma;
int end = XMIN(x+8, width);
-
+
int qp;
if( pv->pp7_qp )
{
@@ -314,29 +314,29 @@ static void pp7_filter( hb_filter_private_t * pv,
}
else
{
- qp = qp_store[ (XMIN(x, width-1)>>qps) +
+ qp = qp_store[ (XMIN(x, width-1)>>qps) +
(XMIN(y, height-1)>>qps) * qp_stride ];
-
- if( pv->pp7_mpeg2 )
+
+ if( pv->pp7_mpeg2 )
{
qp >>= 1;
}
}
-
+
for( ; x < end; x++ )
{
const int index = x + y*stride + (8-3)*(1+stride) + 8;
uint8_t * src = p_src + index;
DCTELEM * tp = temp+4*x;
int v;
-
+
if( (x&3) == 0 )
{
pp7_dct_a( tp+4*8, src, stride );
}
-
+
pp7_dct_b( block, tp );
-
+
v = pp7_requantize( block, qp );
v = (v + pp7_dither[y&7][x&7]) >> 6;
if( (unsigned)v > 255 )
@@ -349,8 +349,8 @@ static void pp7_filter( hb_filter_private_t * pv,
}
}
-hb_filter_private_t * hb_deblock_init( int pix_fmt,
- int width,
+hb_filter_private_t * hb_deblock_init( int pix_fmt,
+ int width,
int height,
char * settings )
{
@@ -358,17 +358,17 @@ hb_filter_private_t * hb_deblock_init( int pix_fmt,
{
return 0;
}
-
+
hb_filter_private_t * pv = malloc( sizeof(struct hb_filter_private_s) );
-
+
pv->pix_fmt = pix_fmt;
pv->width[0] = width;
pv->height[0] = height;
-
+
pv->width[1] = pv->width[2] = width >> 1;
pv->height[1] = pv->height[2] = height >> 1;
-
+
pv->pp7_qp = PP7_QP_DEFAULT;
pv->pp7_mode = PP7_MODE_DEFAULT;
@@ -378,14 +378,14 @@ hb_filter_private_t * hb_deblock_init( int pix_fmt,
{
sscanf( settings, "%d:%d", &pv->pp7_qp, &pv->pp7_mode );
}
-
+
if( pv->pp7_qp < 0 )
{
pv->pp7_qp = 0;
}
-
+
pp7_init_threshold();
-
+
switch( pv->pp7_mode )
{
case 0:
@@ -398,93 +398,93 @@ hb_filter_private_t * hb_deblock_init( int pix_fmt,
pp7_requantize = pp7_medium_threshold;
break;
}
-
+
int h = (height+16+15)&(~15);
-
+
pv->pp7_temp_stride = (width+16+15)&(~15);
pv->pp7_src = (uint8_t*)malloc( pv->pp7_temp_stride*(h+8)*sizeof(uint8_t) );
-
- int buf_size = 3 * width * height / 2;
+
+ int buf_size = 3 * width * height / 2;
pv->buf_out = hb_buffer_init( buf_size );
-
+
return pv;
}
void hb_deblock_close( hb_filter_private_t * pv )
{
- if( !pv )
+ if( !pv )
{
return;
- }
-
+ }
+
if( pv->buf_out )
{
hb_buffer_close( &pv->buf_out );
}
-
+
free( pv );
}
int hb_deblock_work( const hb_buffer_t * buf_in,
hb_buffer_t ** buf_out,
int pix_fmt,
- int width,
+ int width,
int height,
hb_filter_private_t * pv )
-{
- if( !pv ||
+{
+ if( !pv ||
pix_fmt != pv->pix_fmt ||
width != pv->width[0] ||
height != pv->height[0] )
{
return FILTER_FAILED;
}
-
- avpicture_fill( &pv->pic_in, buf_in->data,
+
+ avpicture_fill( &pv->pic_in, buf_in->data,
pix_fmt, width, height );
- avpicture_fill( &pv->pic_out, pv->buf_out->data,
+ avpicture_fill( &pv->pic_out, pv->buf_out->data,
pix_fmt, width, height );
if( /*TODO: mpi->qscale ||*/ pv->pp7_qp )
{
- pp7_filter( pv,
- pv->pic_out.data[0],
- pv->pic_in.data[0],
- pv->width[0],
+ pp7_filter( pv,
+ pv->pic_out.data[0],
+ pv->pic_in.data[0],
+ pv->width[0],
pv->height[0],
NULL, /* TODO: mpi->qscale*/
0, /* TODO: mpi->qstride*/
1 );
- pp7_filter( pv,
- pv->pic_out.data[1],
- pv->pic_in.data[1],
- pv->width[1],
+ pp7_filter( pv,
+ pv->pic_out.data[1],
+ pv->pic_in.data[1],
+ pv->width[1],
pv->height[1],
NULL, /* TODO: mpi->qscale*/
0, /* TODO: mpi->qstride*/
0 );
- pp7_filter( pv,
- pv->pic_out.data[2],
- pv->pic_in.data[2],
- pv->width[2],
+ pp7_filter( pv,
+ pv->pic_out.data[2],
+ pv->pic_in.data[2],
+ pv->width[2],
pv->height[2],
NULL, /* TODO: mpi->qscale*/
0, /* TODO: mpi->qstride*/
- 0 );
+ 0 );
}
else
{
memcpy( pv->buf_out->data, buf_in->data, buf_in->size );
- }
-
+ }
+
hb_buffer_copy_settings( pv->buf_out, buf_in );
-
+
*buf_out = pv->buf_out;
-
+
return FILTER_OK;
}
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