forked from KolibriOS/kolibrios
465 lines
15 KiB
C
465 lines
15 KiB
C
/*
|
|
* Copyright (c) 2008-2009 Intel Corporation. All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
|
|
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
|
|
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
#include "loadsurface_yuv.h"
|
|
|
|
static int scale_2dimage(unsigned char *src_img, int src_imgw, int src_imgh,
|
|
unsigned char *dst_img, int dst_imgw, int dst_imgh)
|
|
{
|
|
int row=0, col=0;
|
|
|
|
for (row=0; row<dst_imgh; row++) {
|
|
for (col=0; col<dst_imgw; col++) {
|
|
*(dst_img + row * dst_imgw + col) = *(src_img + (row * src_imgh/dst_imgh) * src_imgw + col * src_imgw/dst_imgw);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int YUV_blend_with_pic(int width, int height,
|
|
unsigned char *Y_start, int Y_pitch,
|
|
unsigned char *U_start, int U_pitch,
|
|
unsigned char *V_start, int V_pitch,
|
|
unsigned int fourcc, int fixed_alpha)
|
|
{
|
|
/* PIC YUV format */
|
|
unsigned char *pic_y_old = yuvga_pic;
|
|
unsigned char *pic_u_old = pic_y_old + 640*480;
|
|
unsigned char *pic_v_old = pic_u_old + 640*480/4;
|
|
unsigned char *pic_y, *pic_u, *pic_v;
|
|
|
|
int alpha_values[] = {100,90,80,70,60,50,40,30,20,30,40,50,60,70,80,90};
|
|
|
|
static int alpha_idx = 0;
|
|
int alpha;
|
|
int allocated = 0;
|
|
|
|
int row, col;
|
|
|
|
if (fixed_alpha == 0) {
|
|
alpha = alpha_values[alpha_idx % 16 ];
|
|
alpha_idx ++;
|
|
} else
|
|
alpha = fixed_alpha;
|
|
|
|
//alpha = 0;
|
|
|
|
pic_y = pic_y_old;
|
|
pic_u = pic_u_old;
|
|
pic_v = pic_v_old;
|
|
|
|
if (width != 640 || height != 480) { /* need to scale the pic */
|
|
pic_y = (unsigned char *)malloc(width * height);
|
|
pic_u = (unsigned char *)malloc(width * height/4);
|
|
pic_v = (unsigned char *)malloc(width * height/4);
|
|
|
|
allocated = 1;
|
|
|
|
scale_2dimage(pic_y_old, 640, 480,
|
|
pic_y, width, height);
|
|
scale_2dimage(pic_u_old, 320, 240,
|
|
pic_u, width/2, height/2);
|
|
scale_2dimage(pic_v_old, 320, 240,
|
|
pic_v, width/2, height/2);
|
|
}
|
|
|
|
/* begin blend */
|
|
|
|
/* Y plane */
|
|
int Y_pixel_stride = 1;
|
|
if (fourcc == VA_FOURCC_YUY2)
|
|
Y_pixel_stride = 2;
|
|
|
|
for (row=0; row<height; row++) {
|
|
unsigned char *p = Y_start + row * Y_pitch;
|
|
unsigned char *q = pic_y + row * width;
|
|
for (col=0; col<width; col++, q++) {
|
|
*p = *p * (100 - alpha) / 100 + *q * alpha/100;
|
|
p += Y_pixel_stride;
|
|
}
|
|
}
|
|
|
|
/* U/V plane */
|
|
int U_pixel_stride = 0, V_pixel_stride = 0;
|
|
int v_factor_to_nv12 = 1;
|
|
switch (fourcc) {
|
|
case VA_FOURCC_YV12:
|
|
U_pixel_stride = V_pixel_stride = 1;
|
|
break;
|
|
case VA_FOURCC_NV12:
|
|
U_pixel_stride = V_pixel_stride = 2;
|
|
break;
|
|
case VA_FOURCC_YUY2:
|
|
U_pixel_stride = V_pixel_stride = 4;
|
|
v_factor_to_nv12 = 2;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
for (row=0; row<height/2*v_factor_to_nv12; row++) {
|
|
unsigned char *pU = U_start + row * U_pitch;
|
|
unsigned char *pV = V_start + row * V_pitch;
|
|
unsigned char *qU = pic_u + row/v_factor_to_nv12 * width/2;
|
|
unsigned char *qV = pic_v + row/v_factor_to_nv12 * width/2;
|
|
|
|
for (col=0; col<width/2; col++, qU++, qV++) {
|
|
*pU = *pU * (100 - alpha) / 100 + *qU * alpha/100;
|
|
*pV = *pV * (100 - alpha) / 100 + *qV * alpha/100;
|
|
|
|
pU += U_pixel_stride;
|
|
pV += V_pixel_stride;
|
|
}
|
|
}
|
|
|
|
|
|
if (allocated) {
|
|
free(pic_y);
|
|
free(pic_u);
|
|
free(pic_v);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int yuvgen_planar(int width, int height,
|
|
unsigned char *Y_start, int Y_pitch,
|
|
unsigned char *U_start, int U_pitch,
|
|
unsigned char *V_start, int V_pitch,
|
|
unsigned int fourcc, int box_width, int row_shift,
|
|
int field)
|
|
{
|
|
int row, alpha;
|
|
unsigned char uv_value = 0x80;
|
|
|
|
/* copy Y plane */
|
|
int y_factor = 1;
|
|
if (fourcc == VA_FOURCC_YUY2) y_factor = 2;
|
|
for (row=0;row<height;row++) {
|
|
unsigned char *Y_row = Y_start + row * Y_pitch;
|
|
int jj, xpos, ypos;
|
|
|
|
ypos = (row / box_width) & 0x1;
|
|
|
|
/* fill garbage data into the other field */
|
|
if (((field == VA_TOP_FIELD) && (row &1))
|
|
|| ((field == VA_BOTTOM_FIELD) && ((row &1)==0))) {
|
|
memset(Y_row, 0xff, width);
|
|
continue;
|
|
}
|
|
|
|
for (jj=0; jj<width; jj++) {
|
|
xpos = ((row_shift + jj) / box_width) & 0x1;
|
|
if (xpos == ypos)
|
|
Y_row[jj*y_factor] = 0xeb;
|
|
else
|
|
Y_row[jj*y_factor] = 0x10;
|
|
|
|
if (fourcc == VA_FOURCC_YUY2) {
|
|
Y_row[jj*y_factor+1] = uv_value; // it is for UV
|
|
}
|
|
}
|
|
}
|
|
|
|
/* copy UV data */
|
|
for( row =0; row < height/2; row++) {
|
|
|
|
/* fill garbage data into the other field */
|
|
if (((field == VA_TOP_FIELD) && (row &1))
|
|
|| ((field == VA_BOTTOM_FIELD) && ((row &1)==0))) {
|
|
uv_value = 0xff;
|
|
}
|
|
|
|
unsigned char *U_row = U_start + row * U_pitch;
|
|
unsigned char *V_row = V_start + row * V_pitch;
|
|
switch (fourcc) {
|
|
case VA_FOURCC_NV12:
|
|
memset(U_row, uv_value, width);
|
|
break;
|
|
case VA_FOURCC_YV12:
|
|
memset (U_row,uv_value,width/2);
|
|
memset (V_row,uv_value,width/2);
|
|
break;
|
|
case VA_FOURCC_YUY2:
|
|
// see above. it is set with Y update.
|
|
break;
|
|
default:
|
|
printf("unsupported fourcc in loadsurface.h\n");
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
if (getenv("AUTO_NOUV"))
|
|
return 0;
|
|
|
|
if (getenv("AUTO_ALPHA"))
|
|
alpha = 0;
|
|
else
|
|
alpha = 70;
|
|
|
|
YUV_blend_with_pic(width,height,
|
|
Y_start, Y_pitch,
|
|
U_start, U_pitch,
|
|
V_start, V_pitch,
|
|
fourcc, alpha);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int upload_surface(VADisplay va_dpy, VASurfaceID surface_id,
|
|
int box_width, int row_shift,
|
|
int field)
|
|
{
|
|
VAImage surface_image;
|
|
void *surface_p=NULL, *U_start = NULL,*V_start = NULL;
|
|
VAStatus va_status;
|
|
unsigned int pitches[3]={0,0,0};
|
|
|
|
va_status = vaDeriveImage(va_dpy,surface_id,&surface_image);
|
|
CHECK_VASTATUS(va_status,"vaDeriveImage");
|
|
|
|
vaMapBuffer(va_dpy,surface_image.buf,&surface_p);
|
|
assert(VA_STATUS_SUCCESS == va_status);
|
|
|
|
pitches[0] = surface_image.pitches[0];
|
|
switch (surface_image.format.fourcc) {
|
|
case VA_FOURCC_NV12:
|
|
U_start = (char *)surface_p + surface_image.offsets[1];
|
|
V_start = (char *)U_start + 1;
|
|
pitches[1] = surface_image.pitches[1];
|
|
pitches[2] = surface_image.pitches[1];
|
|
break;
|
|
case VA_FOURCC_IYUV:
|
|
U_start = (char *)surface_p + surface_image.offsets[1];
|
|
V_start = (char *)surface_p + surface_image.offsets[2];
|
|
pitches[1] = surface_image.pitches[1];
|
|
pitches[2] = surface_image.pitches[2];
|
|
break;
|
|
case VA_FOURCC_YV12:
|
|
U_start = (char *)surface_p + surface_image.offsets[2];
|
|
V_start = (char *)surface_p + surface_image.offsets[1];
|
|
pitches[1] = surface_image.pitches[2];
|
|
pitches[2] = surface_image.pitches[1];
|
|
break;
|
|
case VA_FOURCC_YUY2:
|
|
U_start = (char *)surface_p + 1;
|
|
V_start = (char *)surface_p + 3;
|
|
pitches[1] = surface_image.pitches[0];
|
|
pitches[2] = surface_image.pitches[0];
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
|
|
/* assume surface is planar format */
|
|
yuvgen_planar(surface_image.width, surface_image.height,
|
|
(unsigned char *)surface_p, pitches[0],
|
|
(unsigned char *)U_start, pitches[1],
|
|
(unsigned char *)V_start, pitches[2],
|
|
surface_image.format.fourcc,
|
|
box_width, row_shift, field);
|
|
|
|
vaUnmapBuffer(va_dpy,surface_image.buf);
|
|
|
|
vaDestroyImage(va_dpy,surface_image.image_id);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Upload YUV data from memory into a surface
|
|
* if src_fourcc == NV12, assume the buffer pointed by src_U
|
|
* is UV interleaved (src_V is ignored)
|
|
*/
|
|
static int upload_surface_yuv(VADisplay va_dpy, VASurfaceID surface_id,
|
|
int src_fourcc, int src_width, int src_height,
|
|
unsigned char *src_Y, unsigned char *src_U, unsigned char *src_V)
|
|
{
|
|
VAImage surface_image;
|
|
unsigned char *surface_p=NULL, *Y_start=NULL, *U_start=NULL;
|
|
int Y_pitch=0, U_pitch=0, row;
|
|
VAStatus va_status;
|
|
|
|
va_status = vaDeriveImage(va_dpy,surface_id, &surface_image);
|
|
CHECK_VASTATUS(va_status,"vaDeriveImage");
|
|
|
|
vaMapBuffer(va_dpy,surface_image.buf,(void **)&surface_p);
|
|
assert(VA_STATUS_SUCCESS == va_status);
|
|
|
|
Y_start = surface_p;
|
|
Y_pitch = surface_image.pitches[0];
|
|
switch (surface_image.format.fourcc) {
|
|
case VA_FOURCC_NV12:
|
|
U_start = (unsigned char *)surface_p + surface_image.offsets[1];
|
|
U_pitch = surface_image.pitches[1];
|
|
break;
|
|
case VA_FOURCC_IYUV:
|
|
U_start = (unsigned char *)surface_p + surface_image.offsets[1];
|
|
U_pitch = surface_image.pitches[1];
|
|
break;
|
|
case VA_FOURCC_YV12:
|
|
U_start = (unsigned char *)surface_p + surface_image.offsets[2];
|
|
U_pitch = surface_image.pitches[2];
|
|
break;
|
|
case VA_FOURCC_YUY2:
|
|
U_start = surface_p + 1;
|
|
U_pitch = surface_image.pitches[0];
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
|
|
/* copy Y plane */
|
|
for (row=0;row<src_height;row++) {
|
|
unsigned char *Y_row = Y_start + row * Y_pitch;
|
|
memcpy(Y_row, src_Y + row*src_width, src_width);
|
|
}
|
|
|
|
for (row =0; row < src_height/2; row++) {
|
|
unsigned char *U_row = U_start + row * U_pitch;
|
|
unsigned char *u_ptr = NULL, *v_ptr=NULL;
|
|
int j;
|
|
switch (surface_image.format.fourcc) {
|
|
case VA_FOURCC_NV12:
|
|
if (src_fourcc == VA_FOURCC_NV12) {
|
|
memcpy(U_row, src_U + row * src_width, src_width);
|
|
break;
|
|
} else if (src_fourcc == VA_FOURCC_IYUV) {
|
|
u_ptr = src_U + row * (src_width/2);
|
|
v_ptr = src_V + row * (src_width/2);
|
|
} else if (src_fourcc == VA_FOURCC_YV12) {
|
|
v_ptr = src_U + row * (src_width/2);
|
|
u_ptr = src_V + row * (src_width/2);
|
|
}
|
|
for(j = 0; j < src_width/2; j++) {
|
|
U_row[2*j] = u_ptr[j];
|
|
U_row[2*j+1] = v_ptr[j];
|
|
}
|
|
break;
|
|
case VA_FOURCC_IYUV:
|
|
case VA_FOURCC_YV12:
|
|
case VA_FOURCC_YUY2:
|
|
default:
|
|
printf("unsupported fourcc in load_surface_yuv\n");
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
vaUnmapBuffer(va_dpy,surface_image.buf);
|
|
|
|
vaDestroyImage(va_dpy,surface_image.image_id);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Download YUV data from a surface into memory
|
|
* Some hardward doesn't have a aperture for linear access of
|
|
* tiled surface, thus use vaGetImage to expect the implemnetion
|
|
* to do tile to linear convert
|
|
*
|
|
* if dst_fourcc == NV12, assume the buffer pointed by dst_U
|
|
* is UV interleaved (src_V is ignored)
|
|
*/
|
|
static int download_surface_yuv(VADisplay va_dpy, VASurfaceID surface_id,
|
|
int dst_fourcc, int dst_width, int dst_height,
|
|
unsigned char *dst_Y, unsigned char *dst_U, unsigned char *dst_V)
|
|
{
|
|
VAImage surface_image;
|
|
unsigned char *surface_p=NULL, *Y_start=NULL, *U_start=NULL;
|
|
int Y_pitch=0, U_pitch=0, row;
|
|
VAStatus va_status;
|
|
|
|
va_status = vaDeriveImage(va_dpy,surface_id, &surface_image);
|
|
CHECK_VASTATUS(va_status,"vaDeriveImage");
|
|
|
|
vaMapBuffer(va_dpy,surface_image.buf,(void **)&surface_p);
|
|
assert(VA_STATUS_SUCCESS == va_status);
|
|
|
|
Y_start = surface_p;
|
|
Y_pitch = surface_image.pitches[0];
|
|
switch (surface_image.format.fourcc) {
|
|
case VA_FOURCC_NV12:
|
|
U_start = (unsigned char *)surface_p + surface_image.offsets[1];
|
|
U_pitch = surface_image.pitches[1];
|
|
break;
|
|
case VA_FOURCC_IYUV:
|
|
U_start = (unsigned char *)surface_p + surface_image.offsets[1];
|
|
U_pitch = surface_image.pitches[1];
|
|
break;
|
|
case VA_FOURCC_YV12:
|
|
U_start = (unsigned char *)surface_p + surface_image.offsets[2];
|
|
U_pitch = surface_image.pitches[2];
|
|
break;
|
|
case VA_FOURCC_YUY2:
|
|
U_start = surface_p + 1;
|
|
U_pitch = surface_image.pitches[0];
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
|
|
/* copy Y plane */
|
|
for (row=0;row<dst_height;row++) {
|
|
unsigned char *Y_row = Y_start + row * Y_pitch;
|
|
memcpy(dst_Y + row*dst_width, Y_row, dst_width);
|
|
}
|
|
|
|
for (row =0; row < dst_height/2; row++) {
|
|
unsigned char *U_row = U_start + row * U_pitch;
|
|
unsigned char *u_ptr = NULL, *v_ptr = NULL;
|
|
int j;
|
|
switch (surface_image.format.fourcc) {
|
|
case VA_FOURCC_NV12:
|
|
if (dst_fourcc == VA_FOURCC_NV12) {
|
|
memcpy(dst_U + row * dst_width, U_row, dst_width);
|
|
break;
|
|
} else if (dst_fourcc == VA_FOURCC_IYUV) {
|
|
u_ptr = dst_U + row * (dst_width/2);
|
|
v_ptr = dst_V + row * (dst_width/2);
|
|
} else if (dst_fourcc == VA_FOURCC_YV12) {
|
|
v_ptr = dst_U + row * (dst_width/2);
|
|
u_ptr = dst_V + row * (dst_width/2);
|
|
}
|
|
for(j = 0; j < dst_width/2; j++) {
|
|
u_ptr[j] = U_row[2*j];
|
|
v_ptr[j] = U_row[2*j+1];
|
|
}
|
|
break;
|
|
case VA_FOURCC_IYUV:
|
|
case VA_FOURCC_YV12:
|
|
case VA_FOURCC_YUY2:
|
|
default:
|
|
printf("unsupported fourcc in load_surface_yuv\n");
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
vaUnmapBuffer(va_dpy,surface_image.buf);
|
|
|
|
vaDestroyImage(va_dpy,surface_image.image_id);
|
|
|
|
return 0;
|
|
}
|