FFmpeg
pixfmt_best.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 "libavutil/pixdesc.c"
20 
21 static const enum AVPixelFormat pixfmt_list[] = {
40 };
41 
42 static const enum AVPixelFormat semiplanar_list[] = {
47 };
48 
49 static const enum AVPixelFormat packed_list[] = {
56 };
57 
58 static const enum AVPixelFormat subsampled_list[] = {
63 };
64 
65 static const enum AVPixelFormat depthchroma_list[] = {
69 };
70 
72 
73 #define find_best_wrapper(name, list) \
74 static enum AVPixelFormat find_best_ ## name (enum AVPixelFormat pixfmt) \
75 { \
76  enum AVPixelFormat best = AV_PIX_FMT_NONE; \
77  int i; \
78  for (i = 0; i < FF_ARRAY_ELEMS(list); i++) \
79  best = av_find_best_pix_fmt_of_2(best, list[i], \
80  pixfmt, 0, NULL); \
81  return best; \
82 }
83 
89 
90 static void test(enum AVPixelFormat input, enum AVPixelFormat expected,
91  int *pass, int *fail, find_best_t find_best_fn)
92 {
93  enum AVPixelFormat output = find_best_fn(input);
94  if (output != expected) {
95  printf("Matching %s: got %s, expected %s\n",
98  av_get_pix_fmt_name(expected));
99  ++(*fail);
100  } else
101  ++(*pass);
102 }
103 
104 int main(void)
105 {
106  int i, pass = 0, fail = 0;
107 
108 #define TEST(input, expected) \
109  test(input, expected, &pass, &fail, find_best_base)
110 
111  // Same formats.
112  for (i = 0; i < FF_ARRAY_ELEMS(pixfmt_list); i++)
114 
115  // Formats containing the same data in different layouts.
130 
131  // Formats additionally containing alpha (here ignored).
145 
146  // Formats requiring upsampling to represent exactly.
164 
165  // Formats containing the same data in different endianness.
178 
179  // Opaque formats are least unlike each other.
181 
182 #define TEST_SEMIPLANAR(input, expected) \
183  test(input, expected, &pass, &fail, find_best_seminplanar)
184 
185  // Same formats.
186  for (i = 0; i < FF_ARRAY_ELEMS(semiplanar_list); i++)
188 
189  // Formats containing the same data in different layouts.
195 
196 #define TEST_PACKED(input, expected) \
197  test(input, expected, &pass, &fail, find_best_packed)
198 
199  // Same formats.
200  for (i = 0; i < FF_ARRAY_ELEMS(packed_list); i++)
202 
203  // Formats containing the same data in different layouts.
210 
211 #define TEST_SUBSAMPLED(input, expected) \
212  test(input, expected, &pass, &fail, find_best_subsampled)
213 
214  // Same formats.
215  for (i = 0; i < FF_ARRAY_ELEMS(subsampled_list); i++)
217 
219 
220 #define TEST_DEPTH_CHROMA(input, expected) \
221  test(input, expected, &pass, &fail, find_best_depthchroma)
222 
223  // Same formats.
224  for (i = 0; i < FF_ARRAY_ELEMS(depthchroma_list); i++)
226 
229 
230 
231  printf("%d tests passed, %d tests failed.\n", pass, fail);
232  return !!fail;
233 }
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:481
AV_PIX_FMT_GRAY10BE
@ AV_PIX_FMT_GRAY10BE
Y , 10bpp, big-endian.
Definition: pixfmt.h:317
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
find_best_t
enum AVPixelFormat(* find_best_t)(enum AVPixelFormat pixfmt)
Definition: pixfmt_best.c:71
AV_PIX_FMT_YA8
@ AV_PIX_FMT_YA8
8 bits gray, 8 bits alpha
Definition: pixfmt.h:133
TEST_PACKED
#define TEST_PACKED(input, expected)
output
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce output
Definition: filter_design.txt:225
main
int main(void)
Definition: pixfmt_best.c:104
find_best_wrapper
#define find_best_wrapper(name, list)
Definition: pixfmt_best.c:73
subsampled_list
static enum AVPixelFormat subsampled_list[]
Definition: pixfmt_best.c:58
AV_PIX_FMT_MONOWHITE
@ AV_PIX_FMT_MONOWHITE
Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb.
Definition: pixfmt.h:75
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:459
AV_PIX_FMT_XV30
#define AV_PIX_FMT_XV30
Definition: pixfmt.h:514
base
uint8_t base
Definition: vp3data.h:128
AV_PIX_FMT_BGR24
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
pixfmt_list
static enum AVPixelFormat pixfmt_list[]
Definition: pixfmt_best.c:21
AV_PIX_FMT_GRAY10LE
@ AV_PIX_FMT_GRAY10LE
Y , 10bpp, little-endian.
Definition: pixfmt.h:318
pixdesc.c
AV_PIX_FMT_YUV444P16LE
@ AV_PIX_FMT_YUV444P16LE
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), little-endian
Definition: pixfmt.h:125
AV_PIX_FMT_GRAY16BE
@ AV_PIX_FMT_GRAY16BE
Y , 16bpp, big-endian.
Definition: pixfmt.h:97
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:205
fail
#define fail()
Definition: checkasm.h:134
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:475
TEST_SUBSAMPLED
#define TEST_SUBSAMPLED(input, expected)
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:443
TEST_DEPTH_CHROMA
#define TEST_DEPTH_CHROMA(input, expected)
AV_PIX_FMT_VUYA
@ AV_PIX_FMT_VUYA
packed VUYA 4:4:4, 32bpp, VUYAVUYA...
Definition: pixfmt.h:398
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:462
AV_PIX_FMT_Y210
#define AV_PIX_FMT_Y210
Definition: pixfmt.h:512
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen.c:29
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:471
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:479
AV_PIX_FMT_DXVA2_VLD
@ AV_PIX_FMT_DXVA2_VLD
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer.
Definition: pixfmt.h:127
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:480
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:101
packed_list
static enum AVPixelFormat packed_list[]
Definition: pixfmt_best.c:49
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:472
depthchroma_list
static enum AVPixelFormat depthchroma_list[]
Definition: pixfmt_best.c:65
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:456
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:470
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:66
pass
#define pass
Definition: fft_template.c:608
AV_PIX_FMT_RGBA
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:440
AV_PIX_FMT_YUV422P10BE
@ AV_PIX_FMT_YUV422P10BE
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), big-endian
Definition: pixfmt.h:150
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:478
AV_PIX_FMT_RGBA64
#define AV_PIX_FMT_RGBA64
Definition: pixfmt.h:449
AV_PIX_FMT_RGB565LE
@ AV_PIX_FMT_RGB565LE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
Definition: pixfmt.h:106
AV_PIX_FMT_YUYV422
@ AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:67
AV_PIX_FMT_RGB48LE
@ AV_PIX_FMT_RGB48LE
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as lit...
Definition: pixfmt.h:103
AV_PIX_FMT_MONOBLACK
@ AV_PIX_FMT_MONOBLACK
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb.
Definition: pixfmt.h:76
AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:461
AV_PIX_FMT_BGR4
@ AV_PIX_FMT_BGR4
packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:84
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:460
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_ABGR
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:94
AV_PIX_FMT_RGB24
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
TEST_SEMIPLANAR
#define TEST_SEMIPLANAR(input, expected)
AV_PIX_FMT_P012
#define AV_PIX_FMT_P012
Definition: pixfmt.h:509
AV_PIX_FMT_YUV422P10LE
@ AV_PIX_FMT_YUV422P10LE
planar YUV 4:2:2, 20bpp, (1 Cr & Cb sample per 2x1 Y samples), little-endian
Definition: pixfmt.h:151
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:464
AV_PIX_FMT_RGB48
#define AV_PIX_FMT_RGB48
Definition: pixfmt.h:445
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:466
AV_PIX_FMT_AYUV64
#define AV_PIX_FMT_AYUV64
Definition: pixfmt.h:507
printf
printf("static const uint8_t my_array[100] = {\n")
AV_PIX_FMT_NV16
@ AV_PIX_FMT_NV16
interleaved chroma YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:191
AV_PIX_FMT_Y212
#define AV_PIX_FMT_Y212
Definition: pixfmt.h:513
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:167
AV_PIX_FMT_VAAPI
@ AV_PIX_FMT_VAAPI
Hardware acceleration through VA-API, data[3] contains a VASurfaceID.
Definition: pixfmt.h:119
input
and forward the test the status of outputs and forward it to the corresponding return FFERROR_NOT_READY If the filters stores internally one or a few frame for some input
Definition: filter_design.txt:172
TEST
#define TEST(input, expected)
AV_PIX_FMT_VDPAU
@ AV_PIX_FMT_VDPAU
HW acceleration through VDPAU, Picture.data[3] contains a VdpVideoSurface.
Definition: pixfmt.h:187
AV_PIX_FMT_BGRA64
#define AV_PIX_FMT_BGRA64
Definition: pixfmt.h:454
AV_PIX_FMT_RGB48BE
@ AV_PIX_FMT_RGB48BE
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:102
AV_PIX_FMT_YA16
#define AV_PIX_FMT_YA16
Definition: pixfmt.h:444
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
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:368
AV_PIX_FMT_RGB555
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:447
AV_PIX_FMT_BGR565
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:451
AV_PIX_FMT_YUV444P16BE
@ AV_PIX_FMT_YUV444P16BE
planar YUV 4:4:4, 48bpp, (1 Cr & Cb sample per 1x1 Y samples), big-endian
Definition: pixfmt.h:126
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:458
AV_PIX_FMT_P016
#define AV_PIX_FMT_P016
Definition: pixfmt.h:510
AV_PIX_FMT_RGB565
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:446
pixfmt
enum AVPixelFormat pixfmt
Definition: kmsgrab.c:365
AV_PIX_FMT_NV12
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
semiplanar_list
static enum AVPixelFormat semiplanar_list[]
Definition: pixfmt_best.c:42
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:463
AV_PIX_FMT_UYVY422
@ AV_PIX_FMT_UYVY422
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:81
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:468
test
static int test(void)
Definition: dnn-layer-dense.c:28
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
AV_PIX_FMT_RGB565BE
@ AV_PIX_FMT_RGB565BE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition: pixfmt.h:105
AV_PIX_FMT_P010
#define AV_PIX_FMT_P010
Definition: pixfmt.h:508
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:158
AV_PIX_FMT_GRAY16LE
@ AV_PIX_FMT_GRAY16LE
Y , 16bpp, little-endian.
Definition: pixfmt.h:98
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:70
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
AV_PIX_FMT_XV36
#define AV_PIX_FMT_XV36
Definition: pixfmt.h:515
AV_PIX_FMT_0RGB
@ AV_PIX_FMT_0RGB
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
Definition: pixfmt.h:255
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:465
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:441
AV_PIX_FMT_VUYX
@ AV_PIX_FMT_VUYX
packed VUYX 4:4:4, 32bpp, Variant of VUYA where alpha channel is left undefined
Definition: pixfmt.h:403
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:166
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:467
av_get_pix_fmt_name
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2778
AV_PIX_FMT_UYYVYY411
@ AV_PIX_FMT_UYYVYY411
packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
Definition: pixfmt.h:82
AV_PIX_FMT_RGB444
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:448