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swscale_unscaled.c
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1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include "config.h"
20#include "libswscale/swscale.h"
21#include "libswscale/swscale_internal.h"
22#include "libavutil/aarch64/cpu.h"
23
24#define YUV_TO_RGB_TABLE \
25 c->yuv2rgb_v2r_coeff, \
26 c->yuv2rgb_u2g_coeff, \
27 c->yuv2rgb_v2g_coeff, \
28 c->yuv2rgb_u2b_coeff, \
29
30#define DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(ifmt, ofmt) \
31int ff_##ifmt##_to_##ofmt##_neon(int w, int h, \
32 int y_offset, \
33 int y_coeff, \
34 const int16_t *table, \
35 const uint8_t *const src[], const int srcStride[], \
36 uint8_t *dst, int linesize); \
37 \
38static int ifmt##_to_##ofmt##_neon_wrapper(SwsInternal *c, const uint8_t *const src[], \
39 const int srcStride[], int srcSliceY, \
40 int srcSliceH, uint8_t *const dst[], \
41 const int dstStride[]) { \
42 const int16_t yuv2rgb_table[] = { YUV_TO_RGB_TABLE }; \
43 \
44 return ff_##ifmt##_to_##ofmt##_neon(c->opts.src_w, srcSliceH, \
45 c->yuv2rgb_y_offset >> 6, \
46 c->yuv2rgb_y_coeff, \
47 yuv2rgb_table, \
48 src, srcStride, \
49 dst[0] + srcSliceY * dstStride[0], \
50 dstStride[0]); \
51} \
52
53#define DECLARE_FF_YUVX_TO_PLANAR_RGB_FUNCS(ifmt, ofmt) \
54int ff_##ifmt##_to_##ofmt##_neon(int w, int h, \
55 int y_offset, \
56 int y_coeff, \
57 const int16_t *table, \
58 const uint8_t *const src[], const int srcStride[], \
59 uint8_t *dst0, int linesize0, \
60 uint8_t *dst1, int linesize1, \
61 uint8_t *dst2, int linesize2); \
62 \
63static int ifmt##_to_##ofmt##_neon_wrapper(SwsInternal *c, const uint8_t *const src[], \
64 const int srcStride[], int srcSliceY, \
65 int srcSliceH, uint8_t *const dst[], \
66 const int dstStride[]) { \
67 const int16_t yuv2rgb_table[] = { YUV_TO_RGB_TABLE }; \
68 \
69 return ff_##ifmt##_to_##ofmt##_neon(c->opts.src_w, srcSliceH, \
70 c->yuv2rgb_y_offset >> 6, \
71 c->yuv2rgb_y_coeff, \
72 yuv2rgb_table, \
73 src, srcStride, \
74 dst[0] + srcSliceY * dstStride[0], dstStride[0], \
75 dst[1] + srcSliceY * dstStride[1], dstStride[1], \
76 dst[2] + srcSliceY * dstStride[2], dstStride[2]); \
77} \
78
79#define DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(yuvx) \
80DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, argb) \
81DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, rgba) \
82DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, abgr) \
83DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, bgra) \
84DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, rgb24) \
85DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, bgr24) \
86DECLARE_FF_YUVX_TO_PLANAR_RGB_FUNCS(yuvx, gbrp) \
87
88DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(nv12)
89DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(nv21)
90DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(yuv420p)
91DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(yuv422p)
92
93#define DECLARE_FF_YUVX_TO_ALL_RGB16_FUNCS(yuvx) \
94DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, rgb565le) \
95DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, bgr565le) \
96DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, rgb555le) \
97DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, bgr555le) \
98DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, rgb565be) \
99DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, bgr565be) \
100DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, rgb555be) \
101DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuvx, bgr555be) \
102
103DECLARE_FF_YUVX_TO_ALL_RGB16_FUNCS(nv12)
104DECLARE_FF_YUVX_TO_ALL_RGB16_FUNCS(nv21)
105DECLARE_FF_YUVX_TO_ALL_RGB16_FUNCS(yuv420p)
106DECLARE_FF_YUVX_TO_ALL_RGB16_FUNCS(yuv422p)
107
108DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuva420p, argb)
109DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuva420p, rgba)
110DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuva420p, abgr)
111DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(yuva420p, bgra)
112
113void ff_nv24_to_yuv420p_chroma_neon(uint8_t *dst1, int dstStride1,
114 uint8_t *dst2, int dstStride2,
115 const uint8_t *src, int srcStride,
116 int w, int h);
117
118static int nv24_to_yuv420p_neon_wrapper(SwsInternal *c, const uint8_t *const src[],
119 const int srcStride[], int srcSliceY, int srcSliceH,
120 uint8_t *const dst[], const int dstStride[])
121{
122 uint8_t *dst1 = dst[1] + dstStride[1] * srcSliceY / 2;
123 uint8_t *dst2 = dst[2] + dstStride[2] * srcSliceY / 2;
124
125 ff_copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->opts.src_w,
126 dst[0], dstStride[0]);
127
128 if (c->opts.src_format == AV_PIX_FMT_NV24)
129 ff_nv24_to_yuv420p_chroma_neon(dst1, dstStride[1], dst2, dstStride[2],
130 src[1], srcStride[1], c->opts.src_w / 2,
131 srcSliceH);
132 else
133 ff_nv24_to_yuv420p_chroma_neon(dst2, dstStride[2], dst1, dstStride[1],
134 src[1], srcStride[1], c->opts.src_w / 2,
135 srcSliceH);
136
137 return srcSliceH;
138}
139
140/* We need a 16 pixel width alignment. This constraint can easily be removed
141 * for input reading but for the output which is 4-bytes per pixel (RGBA) the
142 * assembly might be writing as much as 4*15=60 extra bytes at the end of the
143 * line, which won't fit the 32-bytes buffer alignment. */
144#define SET_FF_YUVX_TO_RGBX_FUNC(ifmt, IFMT, ofmt, OFMT, accurate_rnd) do { \
145 if (c->opts.src_format == AV_PIX_FMT_##IFMT \
146 && c->opts.dst_format == AV_PIX_FMT_##OFMT \
147 && !(c->opts.src_h & 1) \
148 && !(c->opts.src_w & 15) \
149 && !accurate_rnd) \
150 c->convert_unscaled = ifmt##_to_##ofmt##_neon_wrapper; \
151} while (0)
152
153#define SET_FF_YUVX_TO_ALL_RGBX_FUNC(yuvx, YUVX, accurate_rnd) do { \
154 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, argb, ARGB, accurate_rnd); \
155 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, rgba, RGBA, accurate_rnd); \
156 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, abgr, ABGR, accurate_rnd); \
157 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, bgra, BGRA, accurate_rnd); \
158 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, gbrp, GBRP, accurate_rnd); \
159 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, rgb24, RGB24, accurate_rnd); \
160 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, bgr24, BGR24, accurate_rnd); \
161} while (0)
162
163#define SET_FF_YUVX_TO_ALL_RGB16_FUNC(yuvx, YUVX, accurate_rnd) do { \
164 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, rgb565le, RGB565LE, accurate_rnd); \
165 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, bgr565le, BGR565LE, accurate_rnd); \
166 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, rgb555le, RGB555LE, accurate_rnd); \
167 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, bgr555le, BGR555LE, accurate_rnd); \
168 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, rgb565be, RGB565BE, accurate_rnd); \
169 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, bgr565be, BGR565BE, accurate_rnd); \
170 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, rgb555be, RGB555BE, accurate_rnd); \
171 SET_FF_YUVX_TO_RGBX_FUNC(yuvx, YUVX, bgr555be, BGR555BE, accurate_rnd); \
172} while (0)
173
174static void get_unscaled_swscale_neon(SwsInternal *c) {
175 int accurate_rnd = c->opts.flags & SWS_ACCURATE_RND;
176
177 SET_FF_YUVX_TO_ALL_RGBX_FUNC(nv12, NV12, accurate_rnd);
178 SET_FF_YUVX_TO_ALL_RGBX_FUNC(nv21, NV21, accurate_rnd);
179 SET_FF_YUVX_TO_ALL_RGBX_FUNC(yuv420p, YUV420P, accurate_rnd);
180 SET_FF_YUVX_TO_ALL_RGBX_FUNC(yuv422p, YUV422P, accurate_rnd);
181 SET_FF_YUVX_TO_ALL_RGB16_FUNC(nv12, NV12, accurate_rnd);
182 SET_FF_YUVX_TO_ALL_RGB16_FUNC(nv21, NV21, accurate_rnd);
183 SET_FF_YUVX_TO_ALL_RGB16_FUNC(yuv420p, YUV420P, accurate_rnd);
184 SET_FF_YUVX_TO_ALL_RGB16_FUNC(yuv422p, YUV422P, accurate_rnd);
185 SET_FF_YUVX_TO_RGBX_FUNC(yuva420p, YUVA420P, argb, ARGB, accurate_rnd);
186 SET_FF_YUVX_TO_RGBX_FUNC(yuva420p, YUVA420P, rgba, RGBA, accurate_rnd);
187 SET_FF_YUVX_TO_RGBX_FUNC(yuva420p, YUVA420P, abgr, ABGR, accurate_rnd);
188 SET_FF_YUVX_TO_RGBX_FUNC(yuva420p, YUVA420P, bgra, BGRA, accurate_rnd);
189 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, rgb24, RGB24, accurate_rnd);
190 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, bgr24, BGR24, accurate_rnd);
191 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, gbrp, GBRP, accurate_rnd);
192 /* yuva420p -> 16bpp: alpha is dropped, route through yuv420p NEON path */
193 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, rgb565le, RGB565LE, accurate_rnd);
194 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, bgr565le, BGR565LE, accurate_rnd);
195 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, rgb555le, RGB555LE, accurate_rnd);
196 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, bgr555le, BGR555LE, accurate_rnd);
197 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, rgb565be, RGB565BE, accurate_rnd);
198 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, bgr565be, BGR565BE, accurate_rnd);
199 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, rgb555be, RGB555BE, accurate_rnd);
200 SET_FF_YUVX_TO_RGBX_FUNC(yuv420p, YUVA420P, bgr555be, BGR555BE, accurate_rnd);
201
202 if (c->opts.dst_format == AV_PIX_FMT_YUV420P &&
203 (c->opts.src_format == AV_PIX_FMT_NV24 || c->opts.src_format == AV_PIX_FMT_NV42) &&
204 !(c->opts.src_h & 1) && !(c->opts.src_w & 15) && !accurate_rnd)
205 c->convert_unscaled = nv24_to_yuv420p_neon_wrapper;
206}
207
214
215av_cold SwsFunc ff_yuv2rgb_init_aarch64(SwsInternal *c)
216{
217 int cpu_flags = av_get_cpu_flags();
218 if (!have_neon(cpu_flags) ||
219 (c->opts.src_h & 1) || (c->opts.src_w & 15) ||
220 (c->opts.flags & SWS_ACCURATE_RND))
221 return NULL;
222
223 if (c->opts.src_format == AV_PIX_FMT_YUV420P) {
224 switch (c->opts.dst_format) {
225 case AV_PIX_FMT_ARGB: return yuv420p_to_argb_neon_wrapper;
226 case AV_PIX_FMT_RGBA: return yuv420p_to_rgba_neon_wrapper;
227 case AV_PIX_FMT_ABGR: return yuv420p_to_abgr_neon_wrapper;
228 case AV_PIX_FMT_BGRA: return yuv420p_to_bgra_neon_wrapper;
229 case AV_PIX_FMT_RGB24: return yuv420p_to_rgb24_neon_wrapper;
230 case AV_PIX_FMT_BGR24: return yuv420p_to_bgr24_neon_wrapper;
231 case AV_PIX_FMT_GBRP: return yuv420p_to_gbrp_neon_wrapper;
232 case AV_PIX_FMT_RGB565LE: return yuv420p_to_rgb565le_neon_wrapper;
233 case AV_PIX_FMT_BGR565LE: return yuv420p_to_bgr565le_neon_wrapper;
234 case AV_PIX_FMT_RGB555LE: return yuv420p_to_rgb555le_neon_wrapper;
235 case AV_PIX_FMT_BGR555LE: return yuv420p_to_bgr555le_neon_wrapper;
236 case AV_PIX_FMT_RGB565BE: return yuv420p_to_rgb565be_neon_wrapper;
237 case AV_PIX_FMT_BGR565BE: return yuv420p_to_bgr565be_neon_wrapper;
238 case AV_PIX_FMT_RGB555BE: return yuv420p_to_rgb555be_neon_wrapper;
239 case AV_PIX_FMT_BGR555BE: return yuv420p_to_bgr555be_neon_wrapper;
240 }
241 } else if (c->opts.src_format == AV_PIX_FMT_YUVA420P) {
242 switch (c->opts.dst_format) {
243#if CONFIG_SWSCALE_ALPHA
244 case AV_PIX_FMT_ARGB: return yuva420p_to_argb_neon_wrapper;
245 case AV_PIX_FMT_RGBA: return yuva420p_to_rgba_neon_wrapper;
246 case AV_PIX_FMT_ABGR: return yuva420p_to_abgr_neon_wrapper;
247 case AV_PIX_FMT_BGRA: return yuva420p_to_bgra_neon_wrapper;
248#endif
249 case AV_PIX_FMT_RGB24: return yuv420p_to_rgb24_neon_wrapper;
250 case AV_PIX_FMT_BGR24: return yuv420p_to_bgr24_neon_wrapper;
251 case AV_PIX_FMT_GBRP: return yuv420p_to_gbrp_neon_wrapper;
252 /* 16bpp targets drop alpha, share yuv420p path */
253 case AV_PIX_FMT_RGB565LE: return yuv420p_to_rgb565le_neon_wrapper;
254 case AV_PIX_FMT_BGR565LE: return yuv420p_to_bgr565le_neon_wrapper;
255 case AV_PIX_FMT_RGB555LE: return yuv420p_to_rgb555le_neon_wrapper;
256 case AV_PIX_FMT_BGR555LE: return yuv420p_to_bgr555le_neon_wrapper;
257 case AV_PIX_FMT_RGB565BE: return yuv420p_to_rgb565be_neon_wrapper;
258 case AV_PIX_FMT_BGR565BE: return yuv420p_to_bgr565be_neon_wrapper;
259 case AV_PIX_FMT_RGB555BE: return yuv420p_to_rgb555be_neon_wrapper;
260 case AV_PIX_FMT_BGR555BE: return yuv420p_to_bgr555be_neon_wrapper;
261 }
262 } else if (c->opts.src_format == AV_PIX_FMT_YUV422P) {
263 switch (c->opts.dst_format) {
264 case AV_PIX_FMT_ARGB: return yuv422p_to_argb_neon_wrapper;
265 case AV_PIX_FMT_RGBA: return yuv422p_to_rgba_neon_wrapper;
266 case AV_PIX_FMT_ABGR: return yuv422p_to_abgr_neon_wrapper;
267 case AV_PIX_FMT_BGRA: return yuv422p_to_bgra_neon_wrapper;
268 case AV_PIX_FMT_RGB24: return yuv422p_to_rgb24_neon_wrapper;
269 case AV_PIX_FMT_BGR24: return yuv422p_to_bgr24_neon_wrapper;
270 case AV_PIX_FMT_GBRP: return yuv422p_to_gbrp_neon_wrapper;
271 case AV_PIX_FMT_RGB565LE: return yuv422p_to_rgb565le_neon_wrapper;
272 case AV_PIX_FMT_BGR565LE: return yuv422p_to_bgr565le_neon_wrapper;
273 case AV_PIX_FMT_RGB555LE: return yuv422p_to_rgb555le_neon_wrapper;
274 case AV_PIX_FMT_BGR555LE: return yuv422p_to_bgr555le_neon_wrapper;
275 case AV_PIX_FMT_RGB565BE: return yuv422p_to_rgb565be_neon_wrapper;
276 case AV_PIX_FMT_BGR565BE: return yuv422p_to_bgr565be_neon_wrapper;
277 case AV_PIX_FMT_RGB555BE: return yuv422p_to_rgb555be_neon_wrapper;
278 case AV_PIX_FMT_BGR555BE: return yuv422p_to_bgr555be_neon_wrapper;
279 }
280 }
281 return NULL;
282}
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition dsp.h:87
DECLARE_FF_YUVX_TO_ALL_RGB16_FUNCS
#define DECLARE_FF_YUVX_TO_ALL_RGB16_FUNCS(yuvx)
Definition swscale_unscaled.c:93
ff_nv24_to_yuv420p_chroma_neon
void ff_nv24_to_yuv420p_chroma_neon(uint8_t *dst1, int dstStride1, uint8_t *dst2, int dstStride2, const uint8_t *src, int srcStride, int w, int h)
SET_FF_YUVX_TO_ALL_RGBX_FUNC
#define SET_FF_YUVX_TO_ALL_RGBX_FUNC(yuvx, YUVX, accurate_rnd)
Definition swscale_unscaled.c:153
ff_yuv2rgb_init_aarch64
av_cold SwsFunc ff_yuv2rgb_init_aarch64(SwsInternal *c)
Definition swscale_unscaled.c:215
get_unscaled_swscale_neon
static void get_unscaled_swscale_neon(SwsInternal *c)
Definition swscale_unscaled.c:174
DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS
#define DECLARE_FF_YUVX_TO_PACKED_RGB_FUNCS(ifmt, ofmt)
Definition swscale_unscaled.c:30
nv24_to_yuv420p_neon_wrapper
static int nv24_to_yuv420p_neon_wrapper(SwsInternal *c, const uint8_t *const src[], const int srcStride[], int srcSliceY, int srcSliceH, uint8_t *const dst[], const int dstStride[])
Definition swscale_unscaled.c:118
ff_get_unscaled_swscale_aarch64
void ff_get_unscaled_swscale_aarch64(SwsInternal *c)
Definition swscale_unscaled.c:208
SET_FF_YUVX_TO_RGBX_FUNC
#define SET_FF_YUVX_TO_RGBX_FUNC(ifmt, IFMT, ofmt, OFMT, accurate_rnd)
Definition swscale_unscaled.c:144
SET_FF_YUVX_TO_ALL_RGB16_FUNC
#define SET_FF_YUVX_TO_ALL_RGB16_FUNC(yuvx, YUVX, accurate_rnd)
Definition swscale_unscaled.c:163
DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS
#define DECLARE_FF_YUVX_TO_ALL_RGBX_FUNCS(yuvx)
Definition swscale_unscaled.c:79
NULL
#define NULL
Definition coverity.c:32
RGBA
#define RGBA(r, g, b, a)
Definition dvbsubdec.c:42
SWS_ACCURATE_RND
@ SWS_ACCURATE_RND
Force bit-exact output.
Definition swscale.h:177
have_neon
#define have_neon(flags)
Definition cpu.h:26
av_cold
#define av_cold
Definition attributes.h:117
cpu_flags
static atomic_int cpu_flags
Definition cpu.c:56
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition cpu.c:109
w
uint8_t w
Definition llvidencdsp.c:39
AV_PIX_FMT_RGB24
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition pixfmt.h:75
AV_PIX_FMT_NV42
@ AV_PIX_FMT_NV42
as above, but U and V bytes are swapped
Definition pixfmt.h:372
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition pixfmt.h:73
AV_PIX_FMT_BGR565BE
@ AV_PIX_FMT_BGR565BE
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
Definition pixfmt.h:117
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition pixfmt.h:77
AV_PIX_FMT_ARGB
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition pixfmt.h:99
AV_PIX_FMT_RGB555BE
@ AV_PIX_FMT_RGB555BE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
Definition pixfmt.h:114
AV_PIX_FMT_BGRA
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition pixfmt.h:102
AV_PIX_FMT_ABGR
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition pixfmt.h:101
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition pixfmt.h:108
AV_PIX_FMT_NV24
@ AV_PIX_FMT_NV24
planar YUV 4:4:4, 24bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition pixfmt.h:371
AV_PIX_FMT_RGBA
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition pixfmt.h:100
AV_PIX_FMT_RGB565LE
@ AV_PIX_FMT_RGB565LE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
Definition pixfmt.h:113
AV_PIX_FMT_RGB555LE
@ AV_PIX_FMT_RGB555LE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined
Definition pixfmt.h:115
AV_PIX_FMT_BGR555BE
@ AV_PIX_FMT_BGR555BE
packed BGR 5:5:5, 16bpp, (msb)1X 5B 5G 5R(lsb), big-endian , X=unused/undefined
Definition pixfmt.h:119
AV_PIX_FMT_RGB565BE
@ AV_PIX_FMT_RGB565BE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition pixfmt.h:112
AV_PIX_FMT_BGR555LE
@ AV_PIX_FMT_BGR555LE
packed BGR 5:5:5, 16bpp, (msb)1X 5B 5G 5R(lsb), little-endian, X=unused/undefined
Definition pixfmt.h:120
AV_PIX_FMT_BGR24
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition pixfmt.h:76
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition pixfmt.h:165
AV_PIX_FMT_BGR565LE
@ AV_PIX_FMT_BGR565LE
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
Definition pixfmt.h:118
swscale.h
external API header
swscale_internal.h
SwsFunc
int(* SwsFunc)(SwsInternal *c, const uint8_t *const src[], const int srcStride[], int srcSliceY, int srcSliceH, uint8_t *const dst[], const int dstStride[])
Definition swscale_internal.h:99
ff_copyPlane
void ff_copyPlane(const uint8_t *src, int srcStride, int srcSliceY, int srcSliceH, int width, uint8_t *dst, int dstStride)
Definition swscale_unscaled.c:126
src
#define src
Definition vp8dsp.c:248
h
h
Definition vp9dsp_template.c:2070
c
static double c[64]
Definition vsrc_mptestsrc.c:89
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