Disable B-frames decoding until they produce correct picture
[libav.git] / libavutil / avutil.h
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1#ifndef AVUTIL_H
2#define AVUTIL_H
3
4/**
5 * @file avutil.h
6 * external api header.
7 */
8
9
10#ifdef __cplusplus
11extern "C" {
12#endif
13
bb270c08 14#define AV_STRINGIFY(s) AV_TOSTRING(s)
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15#define AV_TOSTRING(s) #s
16
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17#define LIBAVUTIL_VERSION_INT ((49<<16)+(0<<8)+0)
18#define LIBAVUTIL_VERSION 49.0.0
19#define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
c11c2bc2 20
bb270c08 21#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
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22
23
24#include "common.h"
25#include "mathematics.h"
26#include "rational.h"
27#include "integer.h"
28#include "intfloat_readwrite.h"
4b45de0e 29#include "log.h"
c11c2bc2 30
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31/**
32 * Pixel format. Notes:
33 *
0cb5cfb6 34 * PIX_FMT_RGB32 is handled in an endian-specific manner. A RGBA
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35 * color is put together as:
36 * (A << 24) | (R << 16) | (G << 8) | B
37 * This is stored as BGRA on little endian CPU architectures and ARGB on
38 * big endian CPUs.
39 *
40 * When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized
41 * image data is stored in AVFrame.data[0]. The palette is transported in
42 * AVFrame.data[1] and, is 1024 bytes long (256 4-byte entries) and is
0cb5cfb6 43 * formatted the same as in PIX_FMT_RGB32 described above (i.e., it is
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44 * also endian-specific). Note also that the individual RGB palette
45 * components stored in AVFrame.data[1] should be in the range 0..255.
46 * This is important as many custom PAL8 video codecs that were designed
47 * to run on the IBM VGA graphics adapter use 6-bit palette components.
48 */
49enum PixelFormat {
50 PIX_FMT_NONE= -1,
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51 PIX_FMT_YUV420P, ///< Planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
52 PIX_FMT_YUYV422, ///< Packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
53 PIX_FMT_RGB24, ///< Packed RGB 8:8:8, 24bpp, RGBRGB...
54 PIX_FMT_BGR24, ///< Packed RGB 8:8:8, 24bpp, BGRBGR...
55 PIX_FMT_YUV422P, ///< Planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
56 PIX_FMT_YUV444P, ///< Planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
57 PIX_FMT_RGB32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8R 8G 8B(lsb), in cpu endianness
58 PIX_FMT_YUV410P, ///< Planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
59 PIX_FMT_YUV411P, ///< Planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
60 PIX_FMT_RGB565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), in cpu endianness
61 PIX_FMT_RGB555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in cpu endianness most significant bit to 1
62 PIX_FMT_GRAY8, ///< Y , 8bpp
63 PIX_FMT_MONOWHITE, ///< Y , 1bpp, 1 is white
64 PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black
65 PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
66 PIX_FMT_YUVJ420P, ///< Planar YUV 4:2:0, 12bpp, full scale (jpeg)
67 PIX_FMT_YUVJ422P, ///< Planar YUV 4:2:2, 16bpp, full scale (jpeg)
68 PIX_FMT_YUVJ444P, ///< Planar YUV 4:4:4, 24bpp, full scale (jpeg)
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69 PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing(xvmc_render.h)
70 PIX_FMT_XVMC_MPEG2_IDCT,
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71 PIX_FMT_UYVY422, ///< Packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
72 PIX_FMT_UYYVYY411, ///< Packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
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73 PIX_FMT_BGR32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8B 8G 8R(lsb), in cpu endianness
74 PIX_FMT_BGR565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), in cpu endianness
75 PIX_FMT_BGR555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), in cpu endianness most significant bit to 1
76 PIX_FMT_BGR8, ///< Packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
77 PIX_FMT_BGR4, ///< Packed RGB 1:2:1, 4bpp, (msb)1B 2G 1R(lsb)
78 PIX_FMT_BGR4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
79 PIX_FMT_RGB8, ///< Packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
80 PIX_FMT_RGB4, ///< Packed RGB 1:2:1, 4bpp, (msb)2R 3G 3B(lsb)
81 PIX_FMT_RGB4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)2R 3G 3B(lsb)
82 PIX_FMT_NV12, ///< Planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 for UV
83 PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
84
85 PIX_FMT_RGB32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8R 8G 8B 8A(lsb), in cpu endianness
86 PIX_FMT_BGR32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8B 8G 8R 8A(lsb), in cpu endianness
87
27cd2c10 88 PIX_FMT_NB, ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
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89};
90
0cb5cfb6 91#ifdef WORDS_BIGENDIAN
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92#define PIX_FMT_RGBA PIX_FMT_RGB32_1
93#define PIX_FMT_BGRA PIX_FMT_BGR32_1
0cb5cfb6 94#define PIX_FMT_ARGB PIX_FMT_RGB32
001299bf 95#define PIX_FMT_ABGR PIX_FMT_BGR32
0cb5cfb6 96#else
001299bf 97#define PIX_FMT_RGBA PIX_FMT_BGR32
0cb5cfb6 98#define PIX_FMT_BGRA PIX_FMT_RGB32
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99#define PIX_FMT_ARGB PIX_FMT_BGR32_1
100#define PIX_FMT_ABGR PIX_FMT_RGB32_1
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101#endif
102
103#if LIBAVUTIL_VERSION_INT < (50<<16)
104#define PIX_FMT_UYVY411 PIX_FMT_UYYVYY411
105#define PIX_FMT_RGBA32 PIX_FMT_RGB32
106#define PIX_FMT_YUV422 PIX_FMT_YUYV422
107#endif
108
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109#ifdef __cplusplus
110}
111#endif
112
113#endif /* AVUTIL_H */