eessppeelllloo/veejay
1
0
Fork 0
mirror of https://github.com/game-stop/veejay.git synced 2025-12-19 06:10:01 +01:00
Code Issues Packages Projects Releases Wiki Activity
Files
0710e393b51a9da8e2bf93ee40c38ce2bd986558
veejay/veejay-2005/libyuv/yuvconv.c
Niels Elburg c84f6ca821 moved veejay-current to veejay-2005 (branch closed) 
git-svn-id: svn://code.dyne.org/veejay/trunk@509 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
2006-01-20 16:43:25 +00:00

616 lines
15 KiB
C
Raw Blame History

/* veejay - Linux VeeJay
* (C) 2002-2004 Niels Elburg <nelburg@looze.net>
*
*
* 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 <libyuv/yuvconv.h>
#ifdef USE_SWSCALER
#include <libpostproc/swscale.h>
#endif
#include <libvjmsg/vj-common.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)
*/
/* 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;
for (y = 0; y < height; ++y) {
uint8_t *Y = yuv420[0] + y * width;
uint8_t *Cb = yuv420[1] + (y / 2) * (width);
uint8_t *Cr = yuv420[2] + (y / 2) * (width);
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;
}
}
}
/* 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_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 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);
/* FIXME: corruption
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 / 8;
imax = h;
for( i = 0; i < imax ;i ++ )
{
for( j = 0; j < jmax ; j ++ )
{
PLANAR_TO_YUY2
dst += 16;
src_y += 8;
src_u += 4;
src_v += 4;
}
}
emms();
}
*/
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;
}
}
}
void 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;
}
}
#else
// non mmx functions
void 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++);
}
}
}
//before:
#endif
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;
}
}
}
//after
//#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;
}
#ifdef USE_SWSCALER
typedef struct
{
struct SwsContext *sws;
SwsFilter *src_filter;
SwsFilter *dst_filter;
} vj_sws;
#include <libpostproc/img_format.h>
void* yuv_init_swscaler(VJFrame *src, VJFrame *dst, sws_template *tmpl, int cpu_flags)
{
vj_sws *s = (vj_sws*) vj_malloc(sizeof(vj_sws));
if(!s)
return NULL;
int sws_type = 0;
memset( s, 0, sizeof(vj_sws) );
if( tmpl->use_filter )
{
s->src_filter = sws_getDefaultFilter(
tmpl->lumaGBlur,
tmpl->chromaGBlur,
tmpl->lumaSarpen,
tmpl->chromaSharpen,
tmpl->chromaHShift,
tmpl->chromaVShift,
tmpl->verbose );
}
switch(tmpl->flags)
{
case 1:
sws_type = SWS_FAST_BILINEAR;
break;
case 2:
sws_type = SWS_BILINEAR;
break;
case 3:
sws_type = SWS_BICUBIC;
break;
case 4:
sws_type = SWS_POINT;
break;
case 5:
sws_type = SWS_X;
break;
case 6:
sws_type = SWS_AREA;
break;
case 7:
sws_type = SWS_BICUBLIN;
break;
case 8:
sws_type = SWS_GAUSS;
break;
case 9:
sws_type = SWS_SINC;
break;
case 10:
sws_type = SWS_LANCZOS;
break;
case 11:
sws_type = SWS_SPLINE;
break;
}
s->sws = sws_getContext(
src->width,
src->height,
src->format,
dst->width,
dst->height,
dst->format,
sws_type | cpu_flags,
s->src_filter,
s->dst_filter,
NULL
);
if(!s->sws)
{
if(s)free(s);
return NULL;
}
sws_rgb2rgb_init( cpu_flags );
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->src_filter)
sws_freeFilter(s->src_filter);
if(s->dst_filter)
sws_freeFilter(s->dst_filter);
if(s->sws)
sws_freeContext( s->sws );
if(s) free(s);
}
}
void yuv_convert_and_scale_rgb(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*3,0,0 };
sws_scale( s->sws, src->data, src_stride, 0, src->height,
dst->data, dst_stride );
#ifdef HAVE_ASM_MMX
asm volatile ("emms\n\t");
#endif
}
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 );
#ifdef HAVE_ASM_MMX
asm volatile ("emms\n\t");
#endif
}
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
return cpu_flags;
}
#endif
Reference in New Issue View Git Blame Copy Permalink