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| 1 /* | 1 /* |
| 2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> | 2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> |
| 3 * | 3 * |
| 4 * This file is part of FFmpeg. | 4 * This file is part of FFmpeg. |
| 5 * | 5 * |
| 6 * FFmpeg is free software; you can redistribute it and/or | 6 * FFmpeg is free software; you can redistribute it and/or |
| 7 * modify it under the terms of the GNU Lesser General Public | 7 * modify it under the terms of the GNU Lesser General Public |
| 8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
| 9 * version 2.1 of the License, or (at your option) any later version. | 9 * version 2.1 of the License, or (at your option) any later version. |
| 10 * | 10 * |
| 11 * FFmpeg is distributed in the hope that it will be useful, | 11 * FFmpeg is distributed in the hope that it will be useful, |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 * Lesser General Public License for more details. | 14 * Lesser General Public License for more details. |
| 15 * | 15 * |
| 16 * You should have received a copy of the GNU Lesser General Public | 16 * You should have received a copy of the GNU Lesser General Public |
| 17 * License along with FFmpeg; if not, write to the Free Software | 17 * License along with FFmpeg; if not, write to the Free Software |
| 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 */ | 19 */ |
| 20 | 20 |
| 21 #ifndef AVUTIL_AVUTIL_H | 21 #ifndef AVUTIL_AVUTIL_H |
| 22 #define AVUTIL_AVUTIL_H | 22 #define AVUTIL_AVUTIL_H |
| 23 | 23 |
| 24 /** | 24 /** |
| 25 * @file avutil.h | 25 * @file libavutil/avutil.h |
| 26 * external API header | 26 * external API header |
| 27 */ | 27 */ |
| 28 | 28 |
| 29 | 29 |
| 30 #define AV_STRINGIFY(s) AV_TOSTRING(s) | 30 #define AV_STRINGIFY(s) AV_TOSTRING(s) |
| 31 #define AV_TOSTRING(s) #s | 31 #define AV_TOSTRING(s) #s |
| 32 | 32 |
| 33 #define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c) | 33 #define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c) |
| 34 #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c | 34 #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c |
| 35 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c) | 35 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c) |
| 36 | 36 |
| 37 #define LIBAVUTIL_VERSION_MAJOR 49 | 37 #define LIBAVUTIL_VERSION_MAJOR 50 |
| 38 #define LIBAVUTIL_VERSION_MINOR 12 | 38 #define LIBAVUTIL_VERSION_MINOR 2 |
| 39 #define LIBAVUTIL_VERSION_MICRO 0 | 39 #define LIBAVUTIL_VERSION_MICRO 0 |
| 40 | 40 |
| 41 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ | 41 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \ |
| 42 LIBAVUTIL_VERSION_MINOR, \ | 42 LIBAVUTIL_VERSION_MINOR, \ |
| 43 LIBAVUTIL_VERSION_MICRO) | 43 LIBAVUTIL_VERSION_MICRO) |
| 44 #define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \ | 44 #define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \ |
| 45 LIBAVUTIL_VERSION_MINOR, \ | 45 LIBAVUTIL_VERSION_MINOR, \ |
| 46 LIBAVUTIL_VERSION_MICRO) | 46 LIBAVUTIL_VERSION_MICRO) |
| 47 #define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT | 47 #define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT |
| 48 | 48 |
| 49 #define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION) | 49 #define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION) |
| 50 | 50 |
| 51 /** | 51 /** |
| 52 * Returns the LIBAVUTIL_VERSION_INT constant. | 52 * Returns the LIBAVUTIL_VERSION_INT constant. |
| 53 */ | 53 */ |
| 54 unsigned avutil_version(void); | 54 unsigned avutil_version(void); |
| 55 | 55 |
| 56 #include "common.h" | 56 #include "common.h" |
| 57 #include "mathematics.h" | 57 #include "mathematics.h" |
| 58 #include "rational.h" | 58 #include "rational.h" |
| 59 #include "intfloat_readwrite.h" | 59 #include "intfloat_readwrite.h" |
| 60 #include "log.h" | 60 #include "log.h" |
| 61 | 61 #include "pixfmt.h" |
| 62 /** | |
| 63 * Pixel format. Notes: | |
| 64 * | |
| 65 * PIX_FMT_RGB32 is handled in an endian-specific manner. A RGBA | |
| 66 * color is put together as: | |
| 67 * (A << 24) | (R << 16) | (G << 8) | B | |
| 68 * This is stored as BGRA on little endian CPU architectures and ARGB on | |
| 69 * big endian CPUs. | |
| 70 * | |
| 71 * When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized | |
| 72 * image data is stored in AVFrame.data[0]. The palette is transported in | |
| 73 * AVFrame.data[1] and, is 1024 bytes long (256 4-byte entries) and is | |
| 74 * formatted the same as in PIX_FMT_RGB32 described above (i.e., it is | |
| 75 * also endian-specific). Note also that the individual RGB palette | |
| 76 * components stored in AVFrame.data[1] should be in the range 0..255. | |
| 77 * This is important as many custom PAL8 video codecs that were designed | |
| 78 * to run on the IBM VGA graphics adapter use 6-bit palette components. | |
| 79 */ | |
| 80 enum PixelFormat { | |
| 81 PIX_FMT_NONE= -1, | |
| 82 PIX_FMT_YUV420P, ///< Planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y
samples) | |
| 83 PIX_FMT_YUYV422, ///< Packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr | |
| 84 PIX_FMT_RGB24, ///< Packed RGB 8:8:8, 24bpp, RGBRGB... | |
| 85 PIX_FMT_BGR24, ///< Packed RGB 8:8:8, 24bpp, BGRBGR... | |
| 86 PIX_FMT_YUV422P, ///< Planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y
samples) | |
| 87 PIX_FMT_YUV444P, ///< Planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y
samples) | |
| 88 PIX_FMT_RGB32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8R 8G 8B(lsb), in c
pu endianness | |
| 89 PIX_FMT_YUV410P, ///< Planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y
samples) | |
| 90 PIX_FMT_YUV411P, ///< Planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y
samples) | |
| 91 PIX_FMT_RGB565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), in c
pu endianness | |
| 92 PIX_FMT_RGB555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in c
pu endianness most significant bit to 0 | |
| 93 PIX_FMT_GRAY8, ///< Y , 8bpp | |
| 94 PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black | |
| 95 PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white | |
| 96 PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette | |
| 97 PIX_FMT_YUVJ420P, ///< Planar YUV 4:2:0, 12bpp, full scale (jpeg) | |
| 98 PIX_FMT_YUVJ422P, ///< Planar YUV 4:2:2, 16bpp, full scale (jpeg) | |
| 99 PIX_FMT_YUVJ444P, ///< Planar YUV 4:4:4, 24bpp, full scale (jpeg) | |
| 100 PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet pass
ing(xvmc_render.h) | |
| 101 PIX_FMT_XVMC_MPEG2_IDCT, | |
| 102 PIX_FMT_UYVY422, ///< Packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1 | |
| 103 PIX_FMT_UYYVYY411, ///< Packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3 | |
| 104 PIX_FMT_BGR32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8B 8G 8R(lsb), in c
pu endianness | |
| 105 PIX_FMT_BGR565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), in c
pu endianness | |
| 106 PIX_FMT_BGR555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), in c
pu endianness most significant bit to 1 | |
| 107 PIX_FMT_BGR8, ///< Packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb) | |
| 108 PIX_FMT_BGR4, ///< Packed RGB 1:2:1, 4bpp, (msb)1B 2G 1R(lsb) | |
| 109 PIX_FMT_BGR4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb) | |
| 110 PIX_FMT_RGB8, ///< Packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb) | |
| 111 PIX_FMT_RGB4, ///< Packed RGB 1:2:1, 4bpp, (msb)1R 2G 1B(lsb) | |
| 112 PIX_FMT_RGB4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb) | |
| 113 PIX_FMT_NV12, ///< Planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 for UV | |
| 114 PIX_FMT_NV21, ///< as above, but U and V bytes are swapped | |
| 115 | |
| 116 PIX_FMT_RGB32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8R 8G 8B 8A(lsb), in c
pu endianness | |
| 117 PIX_FMT_BGR32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8B 8G 8R 8A(lsb), in c
pu endianness | |
| 118 | |
| 119 PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian | |
| 120 PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian | |
| 121 PIX_FMT_YUV440P, ///< Planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples
) | |
| 122 PIX_FMT_YUVJ440P, ///< Planar YUV 4:4:0 full scale (jpeg) | |
| 123 PIX_FMT_YUVA420P, ///< Planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y
& A samples) | |
| 124 PIX_FMT_VDPAU_H264,///< H264 HW decoding with VDPAU, data[0] contains a vdpa
u_render_state struct which contains the bitstream of the slices as well as vari
ous fields extracted from headers | |
| 125 PIX_FMT_VDPAU_MPEG1,///< MPEG1 HW decoding with VDPAU, data[0] contains a vd
pau_render_state struct which contains the bitstream of the slices as well as va
rious fields extracted from headers | |
| 126 PIX_FMT_VDPAU_MPEG2,///< MPEG2 HW decoding with VDPAU, data[0] contains a vd
pau_render_state struct which contains the bitstream of the slices as well as va
rious fields extracted from headers | |
| 127 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 v
ersions | |
| 128 }; | |
| 129 | |
| 130 #ifdef WORDS_BIGENDIAN | |
| 131 #define PIX_FMT_RGBA PIX_FMT_RGB32_1 | |
| 132 #define PIX_FMT_BGRA PIX_FMT_BGR32_1 | |
| 133 #define PIX_FMT_ARGB PIX_FMT_RGB32 | |
| 134 #define PIX_FMT_ABGR PIX_FMT_BGR32 | |
| 135 #define PIX_FMT_GRAY16 PIX_FMT_GRAY16BE | |
| 136 #else | |
| 137 #define PIX_FMT_RGBA PIX_FMT_BGR32 | |
| 138 #define PIX_FMT_BGRA PIX_FMT_RGB32 | |
| 139 #define PIX_FMT_ARGB PIX_FMT_BGR32_1 | |
| 140 #define PIX_FMT_ABGR PIX_FMT_RGB32_1 | |
| 141 #define PIX_FMT_GRAY16 PIX_FMT_GRAY16LE | |
| 142 #endif | |
| 143 | |
| 144 #if LIBAVUTIL_VERSION_INT < (50<<16) | |
| 145 #define PIX_FMT_UYVY411 PIX_FMT_UYYVYY411 | |
| 146 #define PIX_FMT_RGBA32 PIX_FMT_RGB32 | |
| 147 #define PIX_FMT_YUV422 PIX_FMT_YUYV422 | |
| 148 #endif | |
| 149 | 62 |
| 150 #endif /* AVUTIL_AVUTIL_H */ | 63 #endif /* AVUTIL_AVUTIL_H */ |
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