void dx_copy_pixels(GF_VideoSurface *dst_s, const GF_VideoSurface *src_s, const GF_Window *src_wnd)
{
/*handle YUV input*/
if (get_yuv_base(src_s->pixel_format)==GF_PIXEL_YV12) {
if (format_is_yuv(dst_s->pixel_format)) {
/*generic YV planar to YUV (planar or not) */
write_yv12_to_yuv(dst_s, src_s->video_buffer, src_s->pitch_y, src_s->pixel_format, src_s->width, src_s->height, src_wnd, src_s->u_ptr, src_s->v_ptr);
return;
}
} else if (get_yuv_base(src_s->pixel_format)==GF_PIXEL_YV12_10) {
if (format_is_yuv(dst_s->pixel_format)) {
/*generic YV planar to YUV (planar or not) */
gf_color_write_yv12_10_to_yuv(dst_s, src_s->video_buffer, src_s->u_ptr, src_s->v_ptr, src_s->pitch_y, src_s->width, src_s->height, src_wnd);
return;
}
} else if (format_is_yuv(src_s->pixel_format)) {
if (format_is_yuv(dst_s->pixel_format)) {
write_yvyu_to_yuv(dst_s, src_s->video_buffer, src_s->pitch_y, src_s->pixel_format, src_s->width, src_s->height, src_wnd);
return;
}
} else {
switch (dst_s->pixel_format) {
case GF_PIXEL_RGB_555:
rgb_to_555(dst_s, src_s->video_buffer, src_s->pitch_y, src_s->width, src_s->height, src_s->pixel_format, src_wnd);
return;
case GF_PIXEL_RGB_565:
rgb_to_565(dst_s, src_s->video_buffer, src_s->pitch_y, src_s->width, src_s->height, src_s->pixel_format, src_wnd);
return;
case GF_PIXEL_RGB_24:
case GF_PIXEL_RGBS:
case GF_PIXEL_BGR_24:
rgb_to_24(dst_s, src_s->video_buffer, src_s->pitch_y, src_s->width, src_s->height, src_s->pixel_format, src_wnd);
return;
case GF_PIXEL_RGB_32:
case GF_PIXEL_RGBD:
case GF_PIXEL_RGBDS:
case GF_PIXEL_BGR_32:
rgb_to_32(dst_s, src_s->video_buffer, src_s->pitch_y, src_s->width, src_s->height, src_s->pixel_format, src_wnd);
return;
}
}
gf_stretch_bits(dst_s, (GF_VideoSurface*) src_s, NULL, (GF_Window *)src_wnd, 0xFF, 0, NULL, NULL);
}
static void write_yv12_to_yuv(GF_VideoSurface *vs, unsigned char *pY, u32 src_stride, u32 src_pf,
u32 src_width, u32 src_height, const GF_Window *src_wnd, u8 *pU, u8 *pV)
{
if (!pU) {
pU = pY + src_stride * src_height;
pV = pY + 5*src_stride * src_height/4;
}
pY = pY + src_stride * src_wnd->y + src_wnd->x;
/*because of U and V downsampling by 2x2, working with odd Y offset will lead to a half-line shift between Y and UV components. We
therefore force an even Y offset for U and V planes.*/
pU = pU + (src_stride * (src_wnd->y / 2) + src_wnd->x) / 2;
pV = pV + (src_stride * (src_wnd->y / 2) + src_wnd->x) / 2;
if (is_planar_yuv(vs->pixel_format)) {
/*complete source copy*/
if ( (vs->pitch_y == (s32) src_stride) && (src_wnd->w == src_width) && (src_wnd->h == src_height)) {
assert(!src_wnd->x);
assert(!src_wnd->y);
memcpy(vs->video_buffer, pY, sizeof(unsigned char)*src_width*src_height);
if (vs->pixel_format == GF_PIXEL_YV12) {
memcpy(vs->video_buffer + vs->pitch_y * vs->height, pV, sizeof(unsigned char)*src_width*src_height/4);
memcpy(vs->video_buffer + 5 * vs->pitch_y * vs->height/4, pU, sizeof(unsigned char)*src_width*src_height/4);
} else {
memcpy(vs->video_buffer + vs->pitch_y * vs->height, pU, sizeof(unsigned char)*src_width*src_height/4);
memcpy(vs->video_buffer + 5 * vs->pitch_y * vs->height/4, pV, sizeof(unsigned char)*src_width*src_height/4);
}
} else {
u32 i;
unsigned char *dst, *src, *dst2, *src2, *dst3, *src3;
src = pY;
dst = vs->video_buffer;
src2 = (vs->pixel_format != GF_PIXEL_YV12) ? pU : pV;
dst2 = vs->video_buffer + vs->pitch_y * vs->height;
src3 = (vs->pixel_format != GF_PIXEL_YV12) ? pV : pU;
dst3 = vs->video_buffer + 5*vs->pitch_y * vs->height/4;
for (i=0; i<src_wnd->h; i++) {
memcpy(dst, src, src_wnd->w);
src += src_stride;
dst += vs->pitch_y;
if (i<src_wnd->h/2) {
memcpy(dst2, src2, src_wnd->w/2);
src2 += src_stride/2;
dst2 += vs->pitch_y/2;
memcpy(dst3, src3, src_wnd->w/2);
src3 += src_stride/2;
dst3 += vs->pitch_y/2;
}
}
}
} else if (get_yuv_base(vs->pixel_format)==GF_PIXEL_UYVY) {
u32 i, j;
unsigned char *dst, *y, *u, *v;
for (i=0; i<src_wnd->h; i++) {
y = pY + i*src_stride;
u = pU + (i/2) * src_stride/2;
v = pV + (i/2) * src_stride/2;
dst = vs->video_buffer + i*vs->pitch_y;
for (j=0; j<src_wnd->w/2; j++) {
*dst = *u;
dst++;
u++;
*dst = *y;
dst++;
y++;
*dst = *v;
dst++;
v++;
*dst = *y;
dst++;
y++;
}
}
} else if (get_yuv_base(vs->pixel_format)==GF_PIXEL_YUY2) {
u32 i, j;
unsigned char *dst, *y, *u, *v;
for (i=0; i<src_wnd->h; i++) {
y = pY + i*src_stride;
u = pU + (i/2) * src_stride/2;
v = pV + (i/2) * src_stride/2;
dst = vs->video_buffer + i*vs->pitch_y;
for (j=0; j<src_wnd->w/2; j++) {
*dst = *y;
dst++;
y++;
*dst = *u;
dst++;
u++;
*dst = *y;
dst++;
y++;
*dst = *v;
dst++;
v++;
}
}
} else if (vs->pixel_format==GF_PIXEL_YVYU) {
u32 i, j;
unsigned char *dst, *y, *u, *v;
for (i=0; i<src_wnd->h; i++) {
y = pY + i*src_stride;
u = pU + (i/2) * src_stride/2;
v = pV + (i/2) * src_stride/2;
dst = vs->video_buffer + i*vs->pitch_y;
for (j=0; j<src_wnd->w/2; j++) {
*dst = *y;
dst++;
y++;
*dst = *v;
dst++;
v++;
*dst = *y;
dst++;
y++;
*dst = *u;
dst++;
u++;
}
}
}
}
static void write_yvyu_to_yuv(GF_VideoSurface *vs, unsigned char *src, u32 src_stride, u32 src_pf,
u32 src_width, u32 src_height, const GF_Window *src_wnd)
{
u32 i, j, base_pf;
unsigned char *pY, *pU, *pV;
switch (get_yuv_base(src_pf) ) {
case GF_PIXEL_UYVY:
pU = src + src_stride * src_wnd->y + src_wnd->x;
pY = src + src_stride * src_wnd->y + src_wnd->x + 1;
pV = src + src_stride * src_wnd->y + src_wnd->x + 3;
break;
case GF_PIXEL_YUY2:
pY = src + src_stride * src_wnd->y + src_wnd->x;
pU = src + src_stride * src_wnd->y + src_wnd->x + 1;
pV = src + src_stride * src_wnd->y + src_wnd->x + 3;
break;
case GF_PIXEL_YVYU:
pY = src + src_stride * src_wnd->y + src_wnd->x;
pV = src + src_stride * src_wnd->y + src_wnd->x + 1;
pU = src + src_stride * src_wnd->y + src_wnd->x + 3;
break;
default:
return;
}
if (is_planar_yuv(vs->pixel_format)) {
u32 i, j;
unsigned char *dst_y, *dst_u, *dst_v;
dst_y = vs->video_buffer;
if (vs->pixel_format == GF_PIXEL_YV12) {
dst_v = vs->video_buffer + vs->pitch_y * vs->height;
dst_u = vs->video_buffer + 5*vs->pitch_y * vs->height/4;
} else {
dst_u = vs->video_buffer + vs->pitch_y * vs->height;
dst_v = vs->video_buffer + 5*vs->pitch_y * vs->height/4;
}
for (i=0; i<src_wnd->h; i++) {
for (j=0; j<src_wnd->w; j+=2) {
*dst_y = * pY;
*(dst_y+1) = * (pY+2);
dst_y += 2;
pY += 4;
if (i%2) continue;
*dst_u = (*pU + *(pU + src_stride)) / 2;
*dst_v = (*pV + *(pV + src_stride)) / 2;
dst_u++;
dst_v++;
pU += 4;
pV += 4;
}
if (i%2) {
pU += src_stride;
pV += src_stride;
}
}
return;
}
if (get_yuv_base(src_pf) == get_yuv_base(vs->pixel_format)) {
u32 i;
for (i=0; i<src_wnd->h; i++) {
char *dst = vs->video_buffer + i*vs->pitch_y;
pY = src + src_stride * (i+src_wnd->y) + src_wnd->x;
memcpy(dst, pY, sizeof(char)*2*src_wnd->w);
}
return;
}
base_pf = get_yuv_base(vs->pixel_format);
for (i=0; i<src_wnd->h; i++) {
char *dst = vs->video_buffer + i*vs->pitch_y;
char *y = pY + src_stride * i;
char *u = pU + src_stride * i;
char *v = pV + src_stride * i;
switch (base_pf) {
case GF_PIXEL_UYVY:
for (j=0; j<src_wnd->w; j+=2) {
dst[0] = *u;
dst[1] = *y;
dst[2] = *v;
dst[3] = *(y+2);
dst += 4;
y+=4;
u+=4;
v+=4;
}
break;
case GF_PIXEL_YVYU:
for (j=0; j<src_wnd->w; j+=2) {
dst[0] = *y;
dst[1] = *v;
dst[2] = *(y+2);
dst[3] = *u;
dst += 4;
y+=4;
u+=4;
v+=4;
}
break;
case GF_PIXEL_YUY2:
for (j=0; j<src_wnd->w; j+=2) {
dst[0] = *y;
dst[1] = *u;
dst[2] = *(y+2);
dst[3] = *v;
dst += 4;
y+=4;
u+=4;
v+=4;
}
break;
}
}
}
void R2D_copyPixels(M4VideoSurface *vs, unsigned char *src, u32 src_stride, u32 src_w, u32 src_h, u32 src_pf, M4Window *src_wnd)
{
/*handle YUV input*/
if (get_yuv_base(src_pf)==M4PF_YV12) {
if (formx2d_is_yuv(vs->pixel_format)) {
/*generic YV planar to YUV (planar or not) */
VR_write_yv12_to_yuv(vs, src, src_stride, src_pf, src_w, src_h, src_wnd);
} else {
/*YVplanar to RGB*/
unsigned char *pY, *pU, *pV, *pTmp;
/*setup start point in src*/
pY = src;
pU = pY + src_w*src_h;
pV = pY + 5*src_w*src_h/4;
pY += src_stride*src_wnd->y + src_wnd->x;
pU += (src_stride * src_wnd->y / 2 + src_wnd->x) / 2;
pV += (src_stride * src_wnd->y / 2 + src_wnd->x) / 2;
assert(src_stride==src_w);
if (src_pf != M4PF_YV12) {
pTmp = pU;
pU = pV;
pV = pTmp;
}
switch (vs->pixel_format) {
case M4PF_RGB_555:
yuv2rgb_555(vs->video_buffer, vs->pitch, pY, pU, pV, src_stride, src_stride/2, src_wnd->w, src_wnd->h);
break;
case M4PF_RGB_565:
yuv2rgb_565(vs->video_buffer, vs->pitch, pY, pU, pV, src_stride, src_stride/2, src_wnd->w, src_wnd->h);
break;
/*to do: add RB flip*/
case M4PF_RGB_24:
case M4PF_BGR_24:
yuv2bgr_24(vs->video_buffer, vs->pitch, pY, pU, pV, src_stride, src_stride/2, src_wnd->w, src_wnd->h);
break;
/*to do: add RB flip*/
case M4PF_RGB_32:
case M4PF_BGR_32:
yuv2rgb_32(vs->video_buffer, vs->pitch, pY, pU, pV, src_stride, src_stride/2, src_wnd->w, src_wnd->h);
break;
}
}
/*other output formats are ignored*/
return;
}
switch (vs->pixel_format) {
case M4PF_RGB_555:
rgb_to_555(vs, src, src_stride, src_w, src_w, src_pf, src_wnd);
break;
case M4PF_RGB_565:
rgb_to_565(vs, src, src_stride, src_w, src_w, src_pf, src_wnd);
break;
case M4PF_RGB_24:
case M4PF_BGR_24:
rgb_to_24(vs, src, src_stride, src_w, src_w, src_pf, src_wnd);
break;
case M4PF_RGB_32:
case M4PF_BGR_32:
rgb_to_32(vs, src, src_stride, src_w, src_w, src_pf, src_wnd);
break;
}
}