28 int *is_packed_rgba, uint8_t rgba_map_ptr[4])
30 uint8_t rgba_map[4] = {0};
47 if (*is_packed_rgba) {
49 for (i = 0; i < 4; i++)
50 dst_color[rgba_map[i]] = rgba_color[i];
53 for (i = 0; i < w; i++)
54 memcpy(line[0] + i * pixel_step[0], dst_color, pixel_step[0]);
56 memcpy(rgba_map_ptr, rgba_map,
sizeof(rgba_map[0]) * 4);
60 dst_color[0] =
RGB_TO_Y_CCIR(rgba_color[0], rgba_color[1], rgba_color[2]);
61 dst_color[1] =
RGB_TO_U_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);
62 dst_color[2] =
RGB_TO_V_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);
63 dst_color[3] = rgba_color[3];
65 for (plane = 0; plane < 4; plane++) {
67 int hsub1 = (plane == 1 || plane == 2) ? hsub : 0;
69 pixel_step[plane] = 1;
70 line_size = (w >> hsub1) * pixel_step[plane];
72 memset(line[plane], dst_color[plane], line_size);
80 uint8_t *src[4],
int pixelstep[4],
81 int hsub,
int vsub,
int x,
int y,
int w,
int h)
86 for (plane = 0; plane < 4 && dst[plane]; plane++) {
87 int hsub1 = plane == 1 || plane == 2 ? hsub : 0;
88 int vsub1 = plane == 1 || plane == 2 ? vsub : 0;
90 p = dst[plane] + (y >> vsub1) * dst_linesize[plane];
91 for (i = 0; i < (h >> vsub1); i++) {
92 memcpy(p + (x >> hsub1) * pixelstep[plane],
93 src[plane], (w >> hsub1) * pixelstep[plane]);
94 p += dst_linesize[plane];
100 uint8_t *src[4],
int src_linesize[4],
int pixelstep[4],
101 int hsub,
int vsub,
int x,
int y,
int y2,
int w,
int h)
106 for (plane = 0; plane < 4 && dst[plane]; plane++) {
107 int hsub1 = plane == 1 || plane == 2 ? hsub : 0;
108 int vsub1 = plane == 1 || plane == 2 ? vsub : 0;
110 p = dst[plane] + (y >> vsub1) * dst_linesize[plane];
111 for (i = 0; i < (h >> vsub1); i++) {
112 memcpy(p + (x >> hsub1) * pixelstep[plane],
113 src[plane] + src_linesize[plane]*(i+(y2>>vsub1)), (w >> hsub1) * pixelstep[plane]);
114 p += dst_linesize[plane];
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
Return the number of bits per pixel used by the pixel format described by pixdesc.
Various defines for YUV<->RGB conversion.
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w, uint8_t dst_color[4], enum PixelFormat pix_fmt, uint8_t rgba_color[4], int *is_packed_rgba, uint8_t rgba_map_ptr[4])
const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB]
The array of all the pixel format descriptors.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
void ff_copy_rectangle(uint8_t *dst[4], int dst_linesize[4], uint8_t *src[4], int src_linesize[4], int pixelstep[4], int hsub, int vsub, int x, int y, int y2, int w, int h)
packed RGB 8:8:8, 24bpp, BGRBGR...
#define RGB_TO_U_CCIR(r1, g1, b1, shift)
#define RGB_TO_V_CCIR(r1, g1, b1, shift)
#define RGB_TO_Y_CCIR(r, g, b)
packed RGB 8:8:8, 24bpp, RGBRGB...
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
void ff_draw_rectangle(uint8_t *dst[4], int dst_linesize[4], uint8_t *src[4], int pixelstep[4], int hsub, int vsub, int x, int y, int w, int h)