21 #include "libavutil/avutil.h"
23 #include "libavutil/mem.h"
24 #include "libavutil/pixdesc.h"
31 int *is_packed_rgba,
uint8_t rgba_map_ptr[4])
50 if (*is_packed_rgba) {
52 for (i = 0; i < 4; i++)
53 dst_color[rgba_map[i]] = rgba_color[i];
56 for (i = 0; i < w; i++)
57 memcpy(line[0] + i * pixel_step[0], dst_color, pixel_step[0]);
59 memcpy(rgba_map_ptr, rgba_map,
sizeof(rgba_map[0]) * 4);
63 dst_color[0] =
RGB_TO_Y_CCIR(rgba_color[0], rgba_color[1], rgba_color[2]);
64 dst_color[1] =
RGB_TO_U_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);
65 dst_color[2] =
RGB_TO_V_CCIR(rgba_color[0], rgba_color[1], rgba_color[2], 0);
66 dst_color[3] = rgba_color[3];
68 for (plane = 0; plane < 4; plane++) {
70 int hsub1 = (plane == 1 || plane == 2) ? hsub : 0;
72 pixel_step[plane] = 1;
73 line_size = (w >> hsub1) * pixel_step[plane];
75 memset(line[plane], dst_color[plane], line_size);
83 uint8_t *src[4],
int pixelstep[4],
84 int hsub,
int vsub,
int x,
int y,
int w,
int h)
89 for (plane = 0; plane < 4 && dst[plane]; plane++) {
90 int hsub1 = plane == 1 || plane == 2 ? hsub : 0;
91 int vsub1 = plane == 1 || plane == 2 ? vsub : 0;
93 p = dst[plane] + (y >> vsub1) * dst_linesize[plane];
94 for (i = 0; i < (h >> vsub1); i++) {
95 memcpy(p + (x >> hsub1) * pixelstep[plane],
96 src[plane], (w >> hsub1) * pixelstep[plane]);
97 p += dst_linesize[plane];
103 uint8_t *src[4],
int src_linesize[4],
int pixelstep[4],
104 int hsub,
int vsub,
int x,
int y,
int y2,
int w,
int h)
109 for (plane = 0; plane < 4 && dst[plane]; plane++) {
110 int hsub1 = plane == 1 || plane == 2 ? hsub : 0;
111 int vsub1 = plane == 1 || plane == 2 ? vsub : 0;
113 p = dst[plane] + (y >> vsub1) * dst_linesize[plane];
114 for (i = 0; i < (h >> vsub1); i++) {
115 memcpy(p + (x >> hsub1) * pixelstep[plane],
116 src[plane] + src_linesize[plane]*(i+(y2>>vsub1)), (w >> hsub1) * pixelstep[plane]);
117 p += dst_linesize[plane];
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
packed RGB 8:8:8, 24bpp, RGBRGB...
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Various defines for YUV<->RGB conversion.
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
AVPixelFormat
Pixel format.
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
Return the number of bits per pixel used by the pixel format described by pixdesc.
void * av_malloc(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
enum AVPixelFormat pix_fmt
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
packed RGB 8:8:8, 24bpp, BGRBGR...
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)
#define RGB_TO_U_CCIR(r1, g1, b1, shift)
#define RGB_TO_V_CCIR(r1, g1, b1, shift)
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
#define RGB_TO_Y_CCIR(r, g, b)
int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w, uint8_t dst_color[4], enum AVPixelFormat pix_fmt, uint8_t rgba_color[4], int *is_packed_rgba, uint8_t rgba_map_ptr[4])
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)