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2bad99ee7260f51469ca896fc6ae6e43b5b99f5c
veejay/veejay-current/veejay-server/libyuv/yuvconv.c
niels 2bad99ee72 fix frei0r
2010-12-03 21:05:08 +01:00

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/* veejay - Linux VeeJay
* (C) 2002-2004 Niels Elburg <nwelburg@gmail.com>
*
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#include <stdint.h>
#include <unistd.h>
#include <libvjmem/vjmem.h>
#include <libvje/vje.h>
#include <libyuv/yuvconv.h>
#include <aclib/ac.h>
#include <aclib/imgconvert.h>
#include <libvjmsg/vj-msg.h>
#include <veejay/vims.h>
#include <libavutil/avutil.h>
#include <libswscale/swscale.h>
#include <libavcodec/avcodec.h>
/* this routine is the same as frame_YUV422_to_YUV420P , unpack
* libdv's 4:2:2-packed into 4:2:0 planar
* See http://mjpeg.sourceforge.net/ (MJPEG Tools) (lav-common.c)
*/
#ifdef STRICT_CHECKING
#include <assert.h>
#endif
#ifdef HAVE_ASM_MMX
#undef HAVE_K6_2PLUS
#if !defined( HAVE_ASM_MMX2) && defined( HAVE_ASM_3DNOW )
#define HAVE_K6_2PLUS
#endif
#undef _EMMS
#ifdef HAVE_K6_2PLUS
/* On K6 femms is faster of emms. On K7 femms is directly mapped on emms. */
#define _EMMS "femms"
#else
#define _EMMS "emms"
#endif
#endif
static int sws_context_flags_ = 0;
static int ffmpeg_aclib[64];
#define put(a,b) ffmpeg_aclib[a] = b
static struct {
int i;
char *s;
} pixstr[] = {
{PIX_FMT_YUV420P, "PIX_FMT_YUV420P"},
{ PIX_FMT_YUV422P, "PIX_FMT_YUV422P"},
{ PIX_FMT_YUVJ420P, "PIX_FMT_YUVJ420P"},
{ PIX_FMT_YUVJ422P, "PIX_FMT_YUVJ422P"},
{ PIX_FMT_RGB24, "PIX_FMT_RGB24"},
{ PIX_FMT_BGR24, "PIX_FMT_BGR24"},
{ PIX_FMT_YUV444P, "PIX_FMT_YUV444P"},
{ PIX_FMT_YUVJ444P, "PIX_FMT_YUVJ444P"},
{ PIX_FMT_RGB32, "PIX_FMT_RGB32"},
{ PIX_FMT_BGR32, "PIX_FMT_BGR32"},
{ PIX_FMT_GRAY8, "PIX_FMT_GRAY8"},
{ PIX_FMT_RGB32_1, "PIX_FMT_RGB32_1"},
{ PIX_FMT_YUYV422, "PIX_FMT_YUYV422"},
{ 0 , NULL}
};
void yuv_pixstr( const char *s, char *s2, int fmt ) {
char *str = NULL;
int i;
for( i = 0; pixstr[i].s != NULL ; i ++ )
if( fmt == pixstr[i].i ) str = pixstr[i].s;
if( str )
veejay_msg(0, "%s: %s format %d : %s", s,s2,fmt, str );
else
veejay_msg(0, "%s: format %d invalid", s, fmt );
}
static float jpeg_to_CCIR_tableY[256];
static float CCIR_to_jpeg_tableY[256];
static float jpeg_to_CCIR_tableUV[256];
static float CCIR_to_jpeg_tableUV[256];
#define round1(x) ( (int32_t)( (x>0) ? (x) + 0.5 : (x) - 0.5 ))
#define _CLAMP(a,min,max) ( round1(a) < min ? min : ( round1(a) > max ? max : round1(a) ))
static struct {
int id;
} ccir_pixfmts[] =
{
{ PIX_FMT_YUV420P },
{ PIX_FMT_YUYV422 },
{ PIX_FMT_YUV422P },
{ PIX_FMT_YUV444P },
{ -1 }
};
static struct {
int id;
} jpeg_pixfmts[] =
{
{ PIX_FMT_YUVJ420P },
{ PIX_FMT_YUVJ422P },
{ PIX_FMT_YUVJ444P },
{ -1 },
};
static int auto_conversion_ccir_jpeg_ = 0;
static int is_CCIR(int a) {
int i;
for( i = 0; ccir_pixfmts[i].id != -1; i ++ )
if( a == ccir_pixfmts[i].id )
return 1;
return 0;
}
static int is_JPEG(int a) {
int i;
for( i = 0; jpeg_pixfmts[i].id != -1 ; i ++ )
if( a == jpeg_pixfmts[i].id )
return 1;
return 0;
}
static void verify_CCIR_auto(int a, int b, VJFrame *dst )
{
int a_is_CCIR = is_CCIR(a);
int a_is_JPEG = is_JPEG(a);
int b_is_CCIR = is_CCIR(b);
int b_is_JPEG = is_JPEG(b);
if( a_is_JPEG && b_is_CCIR ) {
yuv_scale_pixels_from_y( dst->data[0], dst->len );
yuv_scale_pixels_from_uv( dst->data[1], dst->uv_len );
yuv_scale_pixels_from_uv( dst->data[2], dst->uv_len );
}
else if( a_is_CCIR && b_is_JPEG ) {
yuv_scale_pixels_from_ycbcr( dst->data[0], 16.0f, 235.0f, dst->len );
yuv_scale_pixels_from_ycbcr( dst->data[1], 16.0f, 240.0f, dst->uv_len );
yuv_scale_pixels_from_ycbcr( dst->data[2], 16.0f, 240.0f, dst->uv_len );
}
}
static void verify_CCIR_( int a, int b, char *caller, int line ) {
int a_is_CCIR = is_CCIR(a);
int a_is_JPEG = is_JPEG(a);
int b_is_CCIR = is_CCIR(b);
int b_is_JPEG = is_JPEG(b);
if( a_is_JPEG && b_is_CCIR ) {
if(caller) {
veejay_msg(VEEJAY_MSG_ERROR, "Output is expecting CCIR, but source still in JPEG %s:%d",
caller,line );
} else {
veejay_msg(VEEJAY_MSG_DEBUG, "Output is expecting CCIR, but source still in JPEG!");
}
}
if( a_is_CCIR && b_is_JPEG ) {
if(caller) {
veejay_msg(VEEJAY_MSG_ERROR, "Input is CCIR, but output is expecting JPEG %s:%d",
caller,line );
} else {
veejay_msg(VEEJAY_MSG_DEBUG, "Input is CCIR, but output is in JPEG");
}
}
}
#ifdef STRICT_CHECKING
#define verify_CCIR( a,b ) verify_CCIR_( a,b,__FUNCTION__,__LINE__ )
#else
#define verify_CCIR( a,b ) return
#endif
int yuv_use_auto_ccir_jpeg()
{
return auto_conversion_ccir_jpeg_;
}
static int global_scaler_ = SWS_FAST_BILINEAR;
static int full_chroma_interpolation_ = 0;
int yuv_which_scaler()
{
return global_scaler_;
}
void yuv_init_lib(int extra_flags, int auto_ccir_jpeg, int default_zoomer)
{
sws_context_flags_ = yuv_sws_get_cpu_flags();
if(extra_flags) {
full_chroma_interpolation_ = 1;
veejay_msg(VEEJAY_MSG_WARNING,
"Interpolating full chroma in converter/scaler");
}
if( default_zoomer ) {
if( default_zoomer == 1 ) {
global_scaler_ = SWS_FAST_BILINEAR;
} else if (default_zoomer == 2 ) {
global_scaler_ = SWS_BICUBIC;
}
}
auto_conversion_ccir_jpeg_ = auto_ccir_jpeg;
if( auto_conversion_ccir_jpeg_ ) {
veejay_msg(VEEJAY_MSG_WARNING,
"On-the-fly conversion between CCIR 601 and JPEG color range!");
auto_conversion_ccir_jpeg_ = 1;
}
int my_ac_flags = ac_cpuinfo();
veejay_msg(VEEJAY_MSG_DEBUG, "CPU Flags available:", ac_flagstotext( my_ac_flags ));
// initialize tables for jpeg <-> ccir conversion
veejay_memset( jpeg_to_CCIR_tableY, 0, sizeof( jpeg_to_CCIR_tableY ) );
veejay_memset( CCIR_to_jpeg_tableY, 0, sizeof( CCIR_to_jpeg_tableY ) );
veejay_memset( jpeg_to_CCIR_tableUV, 0, sizeof( jpeg_to_CCIR_tableUV ) );
veejay_memset( CCIR_to_jpeg_tableUV, 0, sizeof( CCIR_to_jpeg_tableUV ) );
unsigned int i;
float s = (235.0f - 16.0f) / 255.0f;
float u = (240.0f - 16.0f) / 255.0f;
float c = 255.0f / ( 235.0f-16.0f );
float d = 255.0f / ( 240.0f-16.0f );
for( i = 0; i < 256 ; i ++ ) {
jpeg_to_CCIR_tableY[i] = _CLAMP( (float)i * s + 16.0f , 16.0f, 235.0f );
jpeg_to_CCIR_tableUV[i]= _CLAMP( (float)i * u + 16.0f , 16.0f, 240.0f );
CCIR_to_jpeg_tableY[i] = _CLAMP( (float)i * c - 16.0f , 0.0f, 255.0f );
CCIR_to_jpeg_tableUV[i]= _CLAMP( (float)i * d - 16.0f , 0.0f, 255.0f );
}
//ac_init( AC_ALL );
//ac_imgconvert_init(AC_ALL);
veejay_memset( ffmpeg_aclib, 0, sizeof(ffmpeg_aclib ));
put( PIX_FMT_YUV420P, IMG_YUV420P );
put( PIX_FMT_YUV422P, IMG_YUV422P );
put( PIX_FMT_YUV444P, IMG_YUV444P );
put( PIX_FMT_YUVJ420P, IMG_YUV420P ); //@wrong, but size fits
put( PIX_FMT_YUVJ422P, IMG_YUV422P );
put( PIX_FMT_YUVJ422P, IMG_YUV422P );
// put( PIX_FMT_RGB24, IMG_RGB24 );
// put( PIX_FMT_BGR24, IMG_BGR24 );
put( PIX_FMT_RGB24, IMG_BGR24 );
put( PIX_FMT_BGR24, IMG_RGB24 );
// put( PIX_FMT_RGB32, IMG_ARGB32 );
put( PIX_FMT_RGB32, IMG_RGBA32 );
put( PIX_FMT_RGBA, IMG_RGBA32 );
put( PIX_FMT_RGB32_1, IMG_RGBA32 );
put( PIX_FMT_YUYV422, IMG_YUY2);
put( PIX_FMT_GRAY8, IMG_Y8 );
}
void yuv_plane_sizes( VJFrame *src, int *p1, int *p2, int *p3, int *p4 )
{
switch(src->format) {
case PIX_FMT_YUV420P:
case PIX_FMT_YUVJ420P:
*p1 = src->len;
*p2 = src->len / 4;
*p3 = src->len / 4;
*p4 = 0;
break;
case PIX_FMT_YUV422P:
case PIX_FMT_YUVJ422P:
case PIX_FMT_YUVJ444P:
case PIX_FMT_YUV444P:
if(p1 != NULL) {
*p1 = src->len;
}
if(p2 != NULL) {
*p2 = src->uv_len;
}
if(p3 != NULL) {
*p3 = src->uv_len;
}
if(p4 != NULL) {
*p4 = 0;
}
break;
default:
if(p1 != NULL) {
*p1 = src->len;
}
if(p2 != NULL) {
*p2 = 0;
}
if(p3 != NULL) {
*p3 = 0;
}
if(p4 != NULL) {
*p4 = 0;
}
break;
}
return 0;
}
VJFrame *yuv_yuv_template( uint8_t *Y, uint8_t *U, uint8_t *V, int w, int h, int fmt )
{
VJFrame *f = (VJFrame*) vj_calloc(sizeof(VJFrame));
f->format = fmt;
f->data[0] = Y;
f->data[1] = U;
f->data[2] = V;
f->data[3] = NULL;
f->width = w;
f->height = h;
switch(fmt)
{
case PIX_FMT_YUV422P:
case PIX_FMT_YUVJ422P:
f->uv_width = w>>1;
f->uv_height= f->height;
f->stride[0] = w;
f->stride[1] = w>>1;
f->stride[2] = w>>1;
break;
case PIX_FMT_YUV420P:
case PIX_FMT_YUVJ420P:
f->uv_width = w>>1;
f->uv_height=f->height>>1;
f->stride[0] = w;
f->stride[1] = f->stride[2] = f->stride[0]>>1;
break;
case PIX_FMT_YUV444P:
case PIX_FMT_YUVJ444P:
f->uv_width = w;
f->uv_height=f->height;
f->stride[0] = w;
f->stride[1] = f->stride[2] = f->stride[0];
break;
case PIX_FMT_GRAY8:
f->uv_width = 0;
f->uv_height = 0;
f->stride[0] = w;
f->stride[1] = f->stride[2] = 0;
break;
case PIX_FMT_YUYV422:
case PIX_FMT_UYVY422:
f->uv_width = w>>1;
f->uv_height = f->height;
f->stride[0] = w * 2;
f->stride[1] = f->stride[2] = 0;
break;
default:
#ifdef STRICT_CHECKING
yuv_pixstr( __FUNCTION__, "fmt", fmt );
assert(0);
#endif
break;
}
f->len = w*h;
f->uv_len = f->uv_width*f->uv_height;
return f;
}
VJFrame *yuv_rgb_template( uint8_t *rgb_buffer, int w, int h, int fmt )
{
#ifdef STRICT_CHECKING
assert( fmt == PIX_FMT_RGB24 || fmt == PIX_FMT_BGR24 ||
fmt == PIX_FMT_RGBA || fmt == PIX_FMT_RGB32_1 || fmt == PIX_FMT_RGB32);
assert( w > 0 );
assert( h > 0 );
#endif
VJFrame *f = (VJFrame*) vj_calloc(sizeof(VJFrame));
f->format = fmt;
f->data[0] = rgb_buffer;
f->data[1] = NULL;
f->data[2] = NULL;
f->data[3] = NULL;
f->width = w;
f->height = h;
switch( fmt )
{
case PIX_FMT_RGB24:
case PIX_FMT_BGR24:
f->stride[0] = w * 3;
break;
default:
f->stride[0] = w * 4;
break;
}
f->stride[1] = 0;
f->stride[2] = 0;
return f;
}
#define ru4(num) (((num)+3)&~3)
static struct
{
int ffmpeg;
int aclib;
} ffmpegaclib[] =
{
{ PIX_FMT_YUV420P, IMG_YUV420P },
{ PIX_FMT_YUV422P, IMG_YUV422P },
{ PIX_FMT_YUV444P, IMG_YUV444P },
{ PIX_FMT_RGB24, IMG_RGB24 },
{ PIX_FMT_BGR24, IMG_BGR24 },
{ PIX_FMT_RGB32, IMG_ARGB32 },
{ PIX_FMT_RGBA, IMG_RGBA32 },
{ PIX_FMT_RGB32_1, IMG_RGBA32 },
{ PIX_FMT_GRAY8, IMG_GRAY8 },
{ -1, -1},
};
void yuv_convert_any_ac_packed( VJFrame *src, uint8_t *dst, int src_fmt, int dst_fmt )
{
#ifdef STRICT_CHECKING
assert( dst_fmt >= 0 && dst_fmt < 32 );
assert( src_fmt == PIX_FMT_YUV420P || src_fmt == PIX_FMT_YUVJ420P ||
src_fmt == PIX_FMT_YUV422P || src_fmt == PIX_FMT_YUVJ422P ||
src_fmt == PIX_FMT_YUV444P || src_fmt == PIX_FMT_YUVJ444P ||
src_fmt == PIX_FMT_RGB24 || src_fmt == PIX_FMT_RGBA ||
src_fmt == PIX_FMT_BGR24 || src_fmt == PIX_FMT_RGB32 ||
src_fmt == PIX_FMT_RGB32_1 || src_fmt == PIX_FMT_GRAY8 );
assert( src->width > 0 );
#endif
uint8_t *dst_planes[3] = { dst, NULL, NULL };
if(!ac_imgconvert( src->data, ffmpeg_aclib[ src_fmt ],
dst_planes, ffmpeg_aclib[ dst_fmt] , src->width,src->height ))
{
veejay_msg(VEEJAY_MSG_WARNING,
"Unable to convert image %dx%d in %x to %dx%d in %x!",
src->width,src->height,src_fmt,
src->width,src->height,dst_fmt );
yuv_pixstr( __FUNCTION__, "src_fmt", src_fmt );
yuv_pixstr( __FUNCTION__, "dst_fmt", dst_fmt );
}
}
void yuv_convert_any_ac( VJFrame *src, VJFrame *dst, int src_fmt, int dst_fmt )
{
#ifdef STRICT_CHECKING
assert( dst_fmt >= 0 && dst_fmt < 32 );
assert( src_fmt == PIX_FMT_YUV420P || src_fmt == PIX_FMT_YUVJ420P ||
src_fmt == PIX_FMT_YUV422P || src_fmt == PIX_FMT_YUVJ422P ||
src_fmt == PIX_FMT_YUV444P || src_fmt == PIX_FMT_YUVJ444P ||
src_fmt == PIX_FMT_RGB24 || src_fmt == PIX_FMT_RGBA ||
src_fmt == PIX_FMT_YUYV422 ||
src_fmt == PIX_FMT_BGR24 || src_fmt == PIX_FMT_RGB32 ||
src_fmt == PIX_FMT_RGB32_1 || src_fmt == PIX_FMT_GRAY8 );
assert( src->width > 0 );
assert( dst->width > 0 );
#endif
if(!ac_imgconvert( src->data, ffmpeg_aclib[ src_fmt ],
dst->data, ffmpeg_aclib[ dst_fmt] , dst->width,dst->height ))
{
veejay_msg(VEEJAY_MSG_WARNING,
"Unable to convert image %dx%d in %x to %dx%d in %x!",
src->width,src->height,src_fmt,
dst->width,dst->height,dst_fmt );
yuv_pixstr( __FUNCTION__, "src_fmt", src_fmt );
yuv_pixstr( __FUNCTION__, "dst_fmt", dst_fmt );
}
if( auto_conversion_ccir_jpeg_ )
verify_CCIR_auto( src_fmt,dst_fmt, dst );
}
/*
void yuv_convert_any( VJFrame *src, VJFrame *dst, int src_fmt, int dst_fmt )
{
yuv_pixstr( __FUNCTION__, "src_fmt", src_fmt );
yuv_pixstr( __FUNCTION__, "dst_fmt", dst_fmt );
#ifdef STRICT_CHECKING
assert( dst_fmt >= 0 && dst_fmt < 32 );
assert( src_fmt == PIX_FMT_YUV420P || src_fmt == PIX_FMT_YUVJ420P ||
src_fmt == PIX_FMT_YUV422P || src_fmt == PIX_FMT_YUVJ422P ||
src_fmt == PIX_FMT_YUV444P || src_fmt == PIX_FMT_YUVJ444P ||
src_fmt == PIX_FMT_RGB24 || src_fmt == PIX_FMT_RGBA ||
src_fmt == PIX_FMT_BGR24 || src_fmt == PIX_FMT_RGB32 ||
src_fmt == PIX_FMT_RGB32_1 || src_fmt == PIX_FMT_GRAY8 );
assert( src->width > 0 );
assert( dst->width > 0 );
#endif
struct SwsContext *ctx = sws_getContext(
src->width,
src->height,
src_fmt,
dst->width,
dst->height,
dst_fmt,
sws_context_flags_,
NULL,NULL,NULL );
sws_scale( ctx, src->data, src->stride,0, src->height,dst->data, dst->stride );
sws_freeContext( ctx );
}*/
void *yuv_fx_context_create( VJFrame *src, VJFrame *dst, int src_fmt, int dst_fmt )
{
struct SwsContext *ctx = sws_getContext( src->width,src->height,src_fmt, dst->width,dst->height,dst_fmt,
sws_context_flags_, NULL,NULL,NULL );
return (void*) ctx;
}
void yuv_fx_context_process( void *ctx, VJFrame *src, VJFrame *dst )
{
sws_scale( ctx, src->data, src->stride,0,src->height,dst->data,dst->stride );
}
void yuv_fx_context_destroy( void *ctx )
{
struct SwsContext *stx = (struct SwsContext*) ctx;
sws_freeContext( stx );
}
void yuv_convert_any3( VJFrame *src, int src_stride[3], VJFrame *dst, int src_fmt, int dst_fmt )
{
#ifdef STRICT_CHECKING
assert( dst_fmt >= 0 && dst_fmt < 32 );
assert( src_fmt == PIX_FMT_YUV420P || src_fmt == PIX_FMT_YUVJ420P ||
src_fmt == PIX_FMT_YUV422P || src_fmt == PIX_FMT_YUVJ422P ||
src_fmt == PIX_FMT_YUV444P || src_fmt == PIX_FMT_YUVJ444P ||
src_fmt == PIX_FMT_RGB24 || src_fmt == PIX_FMT_RGBA );
assert( src_stride[0] > 0 );
assert( dst->width > 0 );
assert( dst->height > 0 );
assert( dst->data[0] != NULL );
assert( dst->data[1] != NULL );
assert( dst->data[2] != NULL );
#endif
struct SwsContext *ctx = sws_getContext(
src->width,
src->height,
src_fmt,
dst->width,
dst->height,
dst_fmt,
sws_context_flags_,
NULL,NULL,NULL );
int dst_stride[3] = { ru4(dst->width),ru4(dst->uv_width),ru4(dst->uv_width) };
sws_scale( ctx, src->data, src_stride, 0, src->height, dst->data, dst_stride);
sws_freeContext( ctx );
}
/* convert 4:2:0 to yuv 4:2:2 packed */
void yuv422p_to_yuv422(uint8_t * yuv420[3], uint8_t * dest, int width,
int height)
{
unsigned int x, y;
uint8_t *Cb = yuv420[1];
uint8_t *Cr = yuv420[2];
uint8_t *Y = yuv420[0];
for (y = 0; y < height; ++y) {
for (x = 0; x < width; x +=2) {
*(dest + 0) = Y[0];
*(dest + 1) = Cb[0];
*(dest + 2) = Y[1];
*(dest + 3) = Cr[0];
dest += 4;
Y += 2;
++Cb;
++Cr;
}
Y += width;
Cb += (width>>1);
Cr += (height>>1);
}
}
/* convert 4:2:0 to yuv 4:2:2 */
void yuv420p_to_yuv422(uint8_t * yuv420[3], uint8_t * dest, int width,
int height)
{
unsigned int x, y;
for (y = 0; y < height; ++y) {
uint8_t *Y = yuv420[0] + y * width;
uint8_t *Cb = yuv420[1] + (y >> 1) * (width >> 1);
uint8_t *Cr = yuv420[2] + (y >> 1) * (width >> 1);
for (x = 0; x < width; x += 2) {
*(dest + 0) = Y[0];
*(dest + 1) = Cb[0];
*(dest + 2) = Y[1];
*(dest + 3) = Cr[0];
dest += 4;
Y += 2;
++Cb;
++Cr;
}
}
}
#ifdef HAVE_ASM_MMX
#include "mmx_macros.h"
#include "mmx.h"
/*****************************************************************
_yuv_yuv_mmx.c
Copyright (c) 2001-2002 by Burkhard Plaum - plaum@ipf.uni-stuttgart.de
http://gmerlin.sourceforge.net
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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
- took yuy2 -> planar 422 and 422 planar -> yuy2 mmx conversion
routines.
(Niels, 02/2005)
*****************************************************************/
static mmx_t mmx_00ffw = { 0x00ff00ff00ff00ffLL };
#ifdef HAVE_ASM_MMX2
//#ifdef MMXEXT
#define MOVQ_R2M(reg,mem) movntq_r2m(reg, mem)
#else
#define MOVQ_R2M(reg,mem) movq_r2m(reg, mem)
#endif
#define PLANAR_TO_YUY2 movq_m2r(*src_y, mm0);/* mm0: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\
movd_m2r(*src_u, mm1);/* mm1: 00 00 00 00 U6 U4 U2 U0 */\
movd_m2r(*src_v, mm2);/* mm2: 00 00 00 00 V6 V4 V2 V0 */\
pxor_r2r(mm3, mm3);/* Zero mm3 */\
movq_r2r(mm0, mm7);/* mm7: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\
punpcklbw_r2r(mm3, mm0);/* mm0: 00 Y3 00 Y2 00 Y1 00 Y0 */\
punpckhbw_r2r(mm3, mm7);/* mm7: 00 Y7 00 Y6 00 Y5 00 Y4 */\
pxor_r2r(mm4, mm4); /* Zero mm4 */\
punpcklbw_r2r(mm1, mm4);/* mm4: U6 00 U4 00 U2 00 U0 00 */\
pxor_r2r(mm5, mm5); /* Zero mm5 */\
punpcklbw_r2r(mm2, mm5);/* mm5: V6 00 V4 00 V2 00 V0 00 */\
movq_r2r(mm4, mm6);/* mm6: U6 00 U4 00 U2 00 U0 00 */\
punpcklwd_r2r(mm3, mm6);/* mm6: 00 00 U2 00 00 00 U0 00 */\
por_r2r(mm6, mm0); /* mm0: 00 Y3 U2 Y2 00 Y1 U0 Y0 */\
punpcklwd_r2r(mm3, mm4);/* mm4: 00 00 U6 00 00 00 U4 00 */\
por_r2r(mm4, mm7); /* mm7: 00 Y7 U6 Y6 00 Y5 U4 Y4 */\
pxor_r2r(mm6, mm6); /* Zero mm6 */\
punpcklwd_r2r(mm5, mm6);/* mm6: V2 00 00 00 V0 00 00 00 */\
por_r2r(mm6, mm0); /* mm0: V2 Y3 U2 Y2 V0 Y1 U0 Y0 */\
punpckhwd_r2r(mm5, mm3);/* mm3: V6 00 00 00 V4 00 00 00 */\
por_r2r(mm3, mm7); /* mm7: V6 Y7 U6 Y6 V4 Y5 U4 Y4 */\
MOVQ_R2M(mm0, *dst);\
MOVQ_R2M(mm7, *(dst+8));
#define YUY2_TO_YUV_PLANAR movq_m2r(*src,mm0);\
movq_m2r(*(src+8),mm1);\
movq_r2r(mm0,mm2);/* mm2: V2 Y3 U2 Y2 V0 Y1 U0 Y0 */\
pand_m2r(mmx_00ffw,mm2);/* mm2: 00 Y3 00 Y2 00 Y1 00 Y0 */\
pxor_r2r(mm4, mm4);/* Zero mm4 */\
packuswb_r2r(mm4,mm2);/* mm2: 00 00 00 00 Y3 Y2 Y1 Y0 */\
movq_r2r(mm1,mm3);/* mm3: V6 Y7 U6 Y6 V4 Y5 U4 Y4 */\
pand_m2r(mmx_00ffw,mm3);/* mm3: 00 Y7 00 Y6 00 Y5 00 Y4 */\
pxor_r2r(mm6, mm6);/* Zero mm6 */\
packuswb_r2r(mm3,mm6);/* mm6: Y7 Y6 Y5 Y4 00 00 00 00 */\
por_r2r(mm2,mm6);/* mm6: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\
psrlw_i2r(8,mm0);/* mm0: 00 V2 00 U2 00 V0 00 U0 */\
psrlw_i2r(8,mm1);/* mm1: 00 V6 00 U6 00 V4 00 U4 */\
packuswb_r2r(mm1,mm0);/* mm0: V6 U6 V4 U4 V2 U2 V0 U0 */\
movq_r2r(mm0,mm1);/* mm1: V6 U6 V4 U4 V2 U2 V0 U0 */\
pand_m2r(mmx_00ffw,mm0);/* mm0: 00 U6 00 U4 00 U2 00 U0 */\
psrlw_i2r(8,mm1);/* mm1: 00 V6 00 V4 00 V2 00 V0 */\
packuswb_r2r(mm4,mm0);/* mm0: 00 00 00 00 U6 U4 U2 U0 */\
packuswb_r2r(mm4,mm1);/* mm1: 00 00 00 00 V6 V4 V2 V0 */\
MOVQ_R2M(mm6, *dst_y);\
movd_r2m(mm0, *dst_u);\
movd_r2m(mm1, *dst_v);
#define MMX_YUV422_YUYV " \n\
movq (%1), %%mm0 # Load 8 Y y7 y6 y5 y4 y3 y2 y1 y0 \n\
movd (%2), %%mm1 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0 \n\
movd (%3), %%mm2 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0 \n\
punpcklbw %%mm2, %%mm1 # v3 u3 v2 u2 v1 u1 v0 u0 \n\
movq %%mm0, %%mm2 # y7 y6 y5 y4 y3 y2 y1 y0 \n\
punpcklbw %%mm1, %%mm2 # v1 y3 u1 y2 v0 y1 u0 y0 \n\
movq %%mm2, (%0) # Store low YUYV \n\
punpckhbw %%mm1, %%mm0 # v3 y7 u3 y6 v2 y5 u2 y4 \n\
movq %%mm0, 8(%0) # Store high YUYV \n\
"
void yuv422_to_yuyv(uint8_t *src[3], uint8_t *dstI, int w, int h)
{
int j,jmax,imax,i;
uint8_t *dst = dstI;
uint8_t *src_y = src[0];
uint8_t *src_u = src[1];
uint8_t *src_v = src[2];
jmax = w >> 3;
imax = h;
for( i = imax; i-- ; )
{
for( j = jmax ; j -- ; )
{
/* __asm__( ".align 8" MMX_YUV422_YUYV
: : "r" (dst), "r" (src_y), "r" (src_u),
"r" (src_v) );
*/
__asm__( ".p2align 3" MMX_YUV422_YUYV
: : "r" (dst), "r" (src_y), "r" (src_u), "r" (src_v) );
dst += 16;
src_y += 8;
src_u += 4;
src_v += 4;
}
}
#ifdef HAVE_ASM_MMX
__asm__ __volatile__ ( _EMMS:::"memory");
#endif
}
void yuy2toyv16(uint8_t *dst_y, uint8_t *dst_u, uint8_t *dst_v, uint8_t *srcI, int w, int h )
{
int j,jmax,imax,i;
uint8_t *src = srcI;
jmax = w / 8;
imax = h;
for( i = 0; i < imax ;i ++ )
{
for( j = 0; j < jmax ; j ++ )
{
YUY2_TO_YUV_PLANAR;
src += 16;
dst_y += 8;
dst_u += 4;
dst_v += 4;
}
}
#ifdef HAVE_ASM_MMX
__asm__ __volatile__ ( _EMMS:::"memory");
#endif
}
void vj_yuy2toyv12(uint8_t * _y, uint8_t * _u, uint8_t * _v, uint8_t * input,
int width, int height)
{
int j,jmax,imax,i;
uint8_t *src = input;
uint8_t *dst_y = _y;
uint8_t *dst_u = _u;
uint8_t *dst_v = _v;
jmax = width / 8;
imax = height;
for( i = 0; i < imax ;i ++ )
{
for( j = 0; j < jmax ; j ++ )
{
YUY2_TO_YUV_PLANAR;
src += 16;
dst_y += 8;
dst_u += 4;
dst_v += 4;
}
dst_u += width;
dst_v += width;
}
#ifdef HAVE_ASM_MMX
__asm__ __volatile__ ( _EMMS:::"memory");
#endif
}
#else
// non mmx functions
void vj_yuy2toyv12(uint8_t * _y, uint8_t * _u, uint8_t * _v, uint8_t * input,
int width, int height)
{
int i, j, w2;
uint8_t *y, *u, *v;
w2 = width / 2;
//I420
y = _y;
v = _v;
u = _u;
for (i = 0; i < height; i += 4) {
/* top field scanline */
for (j = 0; j < w2; j++) {
/* packed YUV 422 is: Y[i] U[i] Y[i+1] V[i] */
*(y++) = *(input++);
*(u++) = *(input++);
*(y++) = *(input++);
*(v++) = *(input++);
}
for (j = 0; j < w2; j++)
{
*(y++) = *(input++);
*(u++) = *(input++);
*(y++) = *(input++);
*(v++) = *(input++);
}
/* next two scanlines, one frome each field , interleaved */
for (j = 0; j < w2; j++) {
/* skip every second line for U and V */
*(y++) = *(input++);
input++;
*(y++) = *(input++);
input++;
}
/* bottom field scanline*/
for (j = 0; j < w2; j++) {
/* skip every second line for U and V */
*(y++) = *(input++);
input++;
*(y++) = *(input++);
input++;
}
}
}
void yuy2toyv16(uint8_t * _y, uint8_t * _u, uint8_t * _v, uint8_t * input,
int width, int height)
{
int i, j, w2;
uint8_t *y, *u, *v;
w2 = width / 2;
//YV16
y = _y;
v = _v;
u = _u;
for (i = 0; i < height; i ++ )
{
for (j = 0; j < w2; j++) {
/* packed YUV 422 is: Y[i] U[i] Y[i+1] V[i] */
*(y++) = *(input++);
*(u++) = *(input++);
*(y++) = *(input++);
*(v++) = *(input++);
}
}
}
void yuv422_to_yuyv(uint8_t *yuv422[3], uint8_t *pixels, int w, int h)
{
int x,y;
uint8_t *Y = yuv422[0];
uint8_t *U = yuv422[1];
uint8_t *V = yuv422[2]; // U Y V Y
for(y = 0; y < h; y ++ )
{
Y = yuv422[0] + y * w;
U = yuv422[1] + (y>>1) * w;
V = yuv422[2] + (y>>1) * w;
for( x = 0 ; x < w ; x += 4 )
{
*(pixels + 0) = Y[0];
*(pixels + 1) = U[0];
*(pixels + 2) = Y[1];
*(pixels + 3) = V[0];
*(pixels + 4) = Y[2];
*(pixels + 5) = U[1];
*(pixels + 6) = Y[3];
*(pixels + 7) = V[1];
pixels += 8;
Y+=4;
U+=2;
V+=2;
}
}
}
#endif
/* lav_common - some general utility functionality used by multiple
lavtool utilities. */
/* Copyright (C) 2000, Rainer Johanni, Andrew Stevens */
/* - added scene change detection code 2001, pHilipp Zabel */
/* - broke some code out to lav_common.h and lav_common.c
* July 2001, Shawn Sulma <lavtools@athos.cx>. In doing this,
* I replaced the large number of globals with a handful of structs
* that are passed into the appropriate methods. Check lav_common.h
* for the structs. I'm sure some of what I've done is inefficient,
* subtly incorrect or just plain Wrong. Feedback is welcome.
*/
int luminance_mean(uint8_t * frame[], int w, int h)
{
uint8_t *p;
uint8_t *lim;
int sum = 0;
int count = 0;
p = frame[0];
lim = frame[0] + w * (h - 1);
while (p < lim) {
sum += (p[0] + p[1]) + (p[w - 3] + p[w - 2]);
p += 31;
count += 4;
}
w = w / 2;
h = h / 2;
p = frame[1];
lim = frame[1] + w * (h - 1);
while (p < lim) {
sum += (p[0] + p[1]) + (p[w - 3] + p[w - 2]);
p += 31;
count += 4;
}
p = frame[2];
lim = frame[2] + w * (h - 1);
while (p < lim) {
sum += (p[0] + p[1]) + (p[w - 3] + p[w - 2]);
p += 31;
count += 4;
}
return sum / count;
}
typedef struct
{
struct SwsContext *sws;
SwsFilter *src_filter;
SwsFilter *dst_filter;
} vj_sws;
void* yuv_init_swscaler(VJFrame *src, VJFrame *dst, sws_template *tmpl, int cpu_flagss)
{
vj_sws *s = (vj_sws*) vj_malloc(sizeof(vj_sws));
if(!s)
return NULL;
int sws_type = 0;
veejay_memset( s, 0, sizeof(vj_sws) );
int cpu_flags = 0;
#ifdef STRICT_CHECKING
cpu_flags = cpu_flags | SWS_PRINT_INFO;
#endif
#ifdef HAVE_ASM_MMX
cpu_flags = cpu_flags | SWS_CPU_CAPS_MMX;
#endif
//#ifdef HAVE_ASM_3DNOW
// cpu_flags = cpu_flags | SWS_CPU_CAPS_3DNOW;
//#endif
//#ifdef HAVE_ASM_MMX2
// cpu_flags = cpu_flags | SWS_CPU_CAPS_MMX2;
//#endif
//#ifdef HAVE_ALTIVEC
// cpu_flags = cpu_flags | SWS_CPU_CAPS_ALTIVEC;
//#endif
switch(tmpl->flags)
{
case 1:
cpu_flags = cpu_flags|SWS_FAST_BILINEAR;
break;
case 2:
cpu_flags = cpu_flags|SWS_BILINEAR;
break;
case 4:
cpu_flags = cpu_flags|SWS_BICUBIC;
break;
case 3:
cpu_flags = cpu_flags |SWS_POINT;
break;
case 5:
cpu_flags = cpu_flags|SWS_X;
break;
case 6:
cpu_flags = cpu_flags | SWS_AREA;
break;
case 7:
cpu_flags = cpu_flags | SWS_BICUBLIN;
break;
case 8:
cpu_flags = cpu_flags | SWS_GAUSS;
break;
case 9:
cpu_flags = cpu_flags | SWS_SINC;
break;
case 10:
cpu_flags = cpu_flags |SWS_LANCZOS;
break;
case 11:
cpu_flags = cpu_flags | SWS_SPLINE;
break;
}
if( full_chroma_interpolation_ )
cpu_flags = cpu_flags | SWS_FULL_CHR_H_INT;
s->sws = sws_getContext(
src->width,
src->height,
src->format,
dst->width,
dst->height,
dst->format,
cpu_flags,
s->src_filter,
s->dst_filter,
NULL
);
if(!s->sws)
{
veejay_msg(0,"sws_getContext failed.");
if(s)free(s);
return NULL;
}
return ((void*)s);
}
void yuv_crop(VJFrame *src, VJFrame *dst, VJRectangle *rect )
{
int x;
int y;
uint8_t *sy = src->data[0];
uint8_t *su = src->data[1];
uint8_t *sv = src->data[2];
uint8_t *dstY = dst->data[0];
uint8_t *dstU = dst->data[1];
uint8_t *dstV = dst->data[2];
int i = 0;
for( i = 0 ; i < 3 ; i ++ )
{
int j = 0;
uint8_t *srcPlane = src->data[i];
uint8_t *dstPlane = dst->data[i];
for( y = rect->top ; y < ( src->height - rect->bottom ); y ++ )
{
for ( x = rect->left ; x < ( src->width - rect->right ); x ++ )
{
dstPlane[j] = srcPlane[ y * src->width + x ];
j++;
}
}
}
}
VJFrame *yuv_allocate_crop_image( VJFrame *src, VJRectangle *rect )
{
int w = src->width - rect->left - rect->right;
int h = src->height - rect->top - rect->bottom;
if( w <= 0 )
return NULL;
if( h <= 0 )
return NULL;
VJFrame *new = (VJFrame*) vj_malloc(sizeof(VJFrame));
if(!new)
return NULL;
new->width = w;
new->height = h;
new->uv_len = (w >> src->shift_h) * (h >> src->shift_v );
new->len = w * h;
new->uv_width = (w >> src->shift_h );
new->uv_height = (h >> src->shift_v );
new->shift_v = src->shift_v;
new->shift_h = src->shift_h;
return new;
}
void yuv_free_swscaler(void *sws)
{
if(sws)
{
vj_sws *s = (vj_sws*) sws;
if(s->sws)
sws_freeContext( s->sws );
if(s) free(s);
}
}
void yuv_convert_and_scale_gray_rgb(void *sws,VJFrame *src, VJFrame *dst)
{
vj_sws *s = (vj_sws*) sws;
int src_stride[3] = { src->width,0,0 };
int dst_stride[3] = { src->width * 3, 0,0 };
sws_scale( s->sws, src->data,src_stride, 0,src->height,
dst->data, dst_stride );
}
void yuv_convert_and_scale_from_rgb(void *sws , VJFrame *src, VJFrame *dst)
{
vj_sws *s = (vj_sws*) sws;
int n = 3;
if( src->format == PIX_FMT_RGBA || src->format == PIX_FMT_BGRA )
n = 4;
int src_stride[3] = { src->width*n,0,0};
int dst_stride[3] = { dst->width,dst->uv_width,dst->uv_width };
sws_scale( s->sws, src->data, src_stride, 0, src->height,
dst->data, dst_stride );
}
void yuv_convert_and_scale_rgb(void *sws , VJFrame *src, VJFrame *dst)
{
vj_sws *s = (vj_sws*) sws;
int n = 3;
if( dst->format == PIX_FMT_RGBA || dst->format == PIX_FMT_BGRA )
n = 4;
int src_stride[3] = { src->width,src->uv_width,src->uv_width };
int dst_stride[3] = { dst->width*n,0,0 };
sws_scale( s->sws, src->data, src_stride, 0, src->height,
dst->data, dst_stride );
}
void yuv_convert_and_scale(void *sws , VJFrame *src, VJFrame *dst)
{
vj_sws *s = (vj_sws*) sws;
int src_stride[3] = { src->width,src->uv_width,src->uv_width };
int dst_stride[3] = { dst->width,dst->uv_width,dst->uv_width };
sws_scale( s->sws, src->data, src_stride, 0, src->height,
dst->data, dst_stride );
}
void yuv_convert_and_scale_grey(void *sws , VJFrame *src, VJFrame *dst)
{
vj_sws *s = (vj_sws*) sws;
int src_stride[3] = { src->width,0,0 };
int dst_stride[3] = { dst->width,0,0 };
sws_scale( s->sws, src->data, src_stride, 0, src->height,
dst->data, dst_stride );
}
void yuv_convert_and_scale_packed(void *sws , VJFrame *src, VJFrame *dst)
{
vj_sws *s = (vj_sws*) sws;
int src_stride[3] = { src->width,src->uv_width,src->uv_width };
int dst_stride[3] = { dst->width * 2,0,0 };
sws_scale( s->sws, src->data, src_stride, 0, src->height,
dst->data, dst_stride );
}
int yuv_sws_get_cpu_flags(void)
{
int cpu_flags = 0;
#ifdef HAVE_ASM_MMX
cpu_flags = cpu_flags | SWS_CPU_CAPS_MMX;
#endif
#ifdef HAVE_ASM_3DNOW
cpu_flags = cpu_flags | SWS_CPU_CAPS_3DNOW;
#endif
#ifdef HAVE_ASM_MMX2
cpu_flags = cpu_flags | SWS_CPU_CAPS_MMX2;
#endif
#ifdef HAVE_ALTIVEC
cpu_flags = cpu_flags | SWS_CPU_CAPS_ALTIVEC;
#endif
cpu_flags = cpu_flags | SWS_FAST_BILINEAR;
return cpu_flags;
}
void yuv_deinterlace(
uint8_t *data[3],
const int width,
const int height,
int out_pix_fmt,
int shift,
uint8_t *Y,uint8_t *U, uint8_t *V )
{
AVPicture p,q;
p.data[0] = data[0];
p.data[1] = data[1];
p.data[2] = data[2];
p.linesize[0] = width;
p.linesize[1] = width >> shift;
p.linesize[2] = width >> shift;
q.data[0] = Y;
q.data[1] = U;
q.data[2] = V;
q.linesize[0] = width;
q.linesize[1] = width >> shift;
q.linesize[2] = width >> shift;
avpicture_deinterlace( &p,&q, out_pix_fmt, width, height );
}
void rgb_deinterlace(
uint8_t *data[3],
const int width,
const int height,
int out_pix_fmt,
int shift,
uint8_t *R,uint8_t *G, uint8_t *B )
{
AVPicture p,q;
p.data[0] = data[0];
p.data[1] = data[1];
p.data[2] = data[2];
p.linesize[0] = width * 3;
p.linesize[1] = 0;
p.linesize[2] = 0;
q.data[0] = R;
q.data[1] = G;
q.data[2] = B;
q.linesize[0] = width;
q.linesize[1] = 0;
q.linesize[2] = 0;
avpicture_deinterlace( &p,&q, out_pix_fmt, width, height );
}
static struct
{
int i;
const char *name;
} sws_scaler_types[] =
{
{ 1, "Fast bilinear (default)" },
{ 2, "Bilinear" },
{ 3, "Bicubic" },
{ 4, "Nearest neighbour"},
{ 5, "Experimental"},
{ 6, "Area"},
{ 7, "Linear bicubic"},
{ 8, "Gaussian"},
{ 9, "Sinc"},
{ 10, "Lanzcos"},
{ 11, "Natural bicubic spline"},
{ 0, NULL }
};
const char *yuv_get_scaler_name(int id)
{
int i;
for( i = 0; sws_scaler_types[i].i != 0 ; i ++ )
if( id == sws_scaler_types[i].i )
return sws_scaler_types[i].name;
return NULL;
}
void yuv422to420planar( uint8_t *src[3], uint8_t *dst[3], int w, int h )
{
unsigned int x,y,k=0;
const int hei = h >> 1;
const int wid = w >> 1;
uint8_t *u = dst[1];
uint8_t *v = dst[2];
uint8_t *a = src[1];
uint8_t *b = src[2];
for( y = 0 ; y < hei; y ++ ) {
for( x= 0; x < wid ; x ++ ) {
u[k] = a[ (y<<1) * wid + x ]; //@ drop left chroma
v[k] = b[ (y<<1) * wid + x ];
k++;
}
}
}
#ifndef HAVE_ASM_MMX
void yuv420to422planar( uint8_t *src[3], uint8_t *dst[3], int w, int h )
{
unsigned int x,y;
unsigned int k=0;
const int hei = h >> 1;
const int wid = w >> 1;
uint8_t *u = dst[1];
uint8_t *v = dst[2];
uint8_t *a = src[1];
uint8_t *b = src[2];
for( y = 0 ; y < hei; y ++ ) {
u = dst[1] + ( (y << 1 ) * wid ); //@ dup
v = dst[2] + ( (y << 1 ) * wid );
for( x= 0; x < wid ; x ++ ) {
u[k] = a[ y * wid + x];
u[k + wid ] = a[y*wid+x];
v[k] = b[ y * wid + x];
v[k + wid ] = b[y * wid + x ];
}
}
}
#else
static inline copy8( uint8_t *to, uint8_t *to2, uint8_t *from ) {
__asm__ __volatile__ (
"movq (%0), %%mm0\n"
"movq %%mm0, (%1)\n"
"movq %%mm0, (%2)\n"
:: "r" (from), "r" (to) , "r" (to2) : "memory"
);
}
void yuv420to422planar( uint8_t *src[3], uint8_t *dst[3], int w, int h )
{
unsigned int x,y;
const int hei = (h >> 1);
const int work = (w >> 1) / 8;
const int wid = w >> 1;
uint8_t *u = dst[1];
uint8_t *v = dst[2];
uint8_t *a = src[1];
uint8_t *b = src[2];
uint8_t *u2 = dst[1];
uint8_t *v2 = dst[2];
for( y = 0; y < hei; y ++ ) {
u = dst[1] + ( (y << 1 ) * wid );
u2 = dst[1] + (( (y+1)<<1) * wid);
a = src[1] + ( y * wid );
for( x = 0; x < work; x ++ ) {
copy8( u,u2, a );
u += 8;
u2 += 8;
a += 8;
}
}
for( y = 0; y < hei; y ++ ) {
v = dst[2] + ( (y << 1 ) * wid );
v2 = dst[2] + (( (y+1)<<1) * wid );
b = src[2] + ( y * wid );
for( x = 0; x < work; x ++ ) {
copy8( v,v2, b );
v += 8;
v2 += 8;
b += 8;
}
}
__asm__ __volatile__ ( _EMMS:::"memory");
}
#endif
void yuy2_scale_pixels_from_yuv( uint8_t *plane, int len )
{
unsigned int rlen = 2 * len ;
unsigned int i;
for( i = 0; i < rlen; i += 4 ) {
plane[i+0] = jpeg_to_CCIR_tableY[ plane[i+0] ];
plane[i+1] = jpeg_to_CCIR_tableUV[plane[i+1] ];
plane[i+2] = jpeg_to_CCIR_tableY[ plane[i+2] ];
plane[i+3] = jpeg_to_CCIR_tableUV[ plane[i+3] ];
}
}
void yuy2_scale_pixels_from_ycbcr( uint8_t *plane, int len )
{
unsigned int rlen = 2 * len ;
unsigned int i;
for( i = 0; i < rlen; i += 4 ) {
plane[i+0] = CCIR_to_jpeg_tableY[ plane[i+0] ];
plane[i+1] = CCIR_to_jpeg_tableUV[plane[i+1] ];
plane[i+2] = CCIR_to_jpeg_tableY[ plane[i+2] ];
plane[i+3] = CCIR_to_jpeg_tableUV[ plane[i+3] ];
}
}
void yuv_scale_pixels_from_yuv( uint8_t *src[3], uint8_t *dst[3], int len )
{
unsigned int i;
uint8_t *y = src[0];
uint8_t *u = src[1];
uint8_t *v = src[2];
uint8_t *dY = dst[0];
uint8_t *dU = dst[1];
uint8_t *dV = dst[2];
for( i = 0; i < len ; i ++ ) {
dY[i] = jpeg_to_CCIR_tableY[ y[i] ];
}
len = len / 2;
for( i = 0; i < len ; i ++ ) {
dU[i] = jpeg_to_CCIR_tableUV[ u[i] ];
dV[i] = jpeg_to_CCIR_tableUV[ v[i] ];
}
}
void yuv_scale_pixels_from_y( uint8_t *plane, int len )
{
unsigned int i;
// float s = (max - min) / 255.0f;
for( i = 0; i < len ; i ++ ) {
plane[i] = jpeg_to_CCIR_tableY[ plane[i] ];
}
}
void yuv_scale_pixels_from_uv( uint8_t *plane, int len )
{
unsigned int i;
// float s = (max - min) / 255.0f;
for( i = 0; i < len ; i ++ ) {
plane[i] = jpeg_to_CCIR_tableUV[ plane[i] ];
}
}
void yuv_scale_pixels_from_ycbcr( uint8_t *plane, float min, float max, int len )
{
unsigned int i;
// float s = 255.0f / ( max-min );
if( max == 235.0f ) {
for( i = 0; i < len ; i ++ ) {
/* float res = ( (float) plane[i] * s - 16.0f );
if( res > 255.0f )
res = 255.0f;
else if ( res < 0.0f )
res = 0.0f;
plane[i] = (uint8_t) res;*/
plane[i] = CCIR_to_jpeg_tableY[ plane[i] ];
}
} else if ( max == 240.0f ) {
for( i = 0; i < len ; i ++ ) {
plane[i] = CCIR_to_jpeg_tableUV[ plane[i] ];
}
}
}
void yuv_scale_pixels_from_ycbcr2( uint8_t *plane[3], uint8_t *dst[3], int len )
{
unsigned int i;
uint8_t *y = plane[0];
uint8_t *u = plane[1];
uint8_t *v = plane[2];
uint8_t *dy = dst[0];
uint8_t *du = dst[1];
uint8_t *dv = dst[2];
for( i = 0; i < len ; i ++ ) {
dy[i] = CCIR_to_jpeg_tableY[ y[i] ];
}
len = len / 2;
for( i = 0; i < len ; i ++ ) {
du[i] = CCIR_to_jpeg_tableUV[ u[i] ];
dv[i] = CCIR_to_jpeg_tableUV[ v[i] ];
}
}
#define packv0__( y0,u0,v0,y1 ) (( (int) y0 ) & 0xff ) +\
( (((int) u0 ) & 0xff) << 8) +\
( ((((int) v0) & 0xff) << 16 )) +\
( ((((int) y1) & 0xff) << 24 ) )
#define packv1__( u1,v1,y2,u2 )(( (int) u1 ) & 0xff ) +\
( (((int) v1 ) & 0xff) << 8) +\
( ((((int) y2) & 0xff) << 16 )) +\
( ((((int) u2) & 0xff) << 24 ) )
#define packv2__( v2,y3,u3,v3 )(( (int) v2 ) & 0xff ) +\
( (((int) y3 ) & 0xff) << 8) +\
( ((((int) u3) & 0xff) << 16 )) +\
( ((((int) v3) & 0xff) << 24 ) )
//! YUV 4:2:4 Planar to 4:4:4 Packed: Y, V, U, Y,V, U , .... */
void yuv444_yvu444_1plane(
uint8_t *data[3],
const int width,
const int height,
uint8_t *dst_buffer)
{
unsigned int x;
uint8_t *yp = data[0];
uint8_t *up = data[2];
uint8_t *vp = data[1];
int len = (width * height) / 4;
uint8_t *dst = dst_buffer;
__builtin_prefetch( yp, 0 ,3);
__builtin_prefetch( up, 0 ,3);
__builtin_prefetch( vp, 0 ,3);
__builtin_prefetch( dst, 1,3);
for( x=0; x < len; x ++ )
{
dst[0] = packv0__( yp[0],up[0],vp[0],yp[1]);
dst[1] = packv1__( up[1],vp[1],yp[2],up[2]);
dst[2] = packv2__( vp[2],yp[3],up[3],vp[3]);
yp += 4;
up += 4;
vp += 4;
dst += 3;
}
}
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