/* * copyright (c) 2006 Michael Niedermayer <[email protected]> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVUTIL_PIXFMT_H #define AVUTIL_PIXFMT_H /** * @file * pixel format definitions */ #include "libavutil/avconfig.h" #include "version.h" #define AVPALETTE_SIZE … #define AVPALETTE_COUNT … /** * Maximum number of planes in any pixel format. * This should be used when a maximum is needed, but code should not * be written to require a maximum for no good reason. */ #define AV_VIDEO_MAX_PLANES … /** * Pixel format. * * @note * AV_PIX_FMT_RGB32 is handled in an endian-specific manner. An RGBA * color is put together as: * (A << 24) | (R << 16) | (G << 8) | B * This is stored as BGRA on little-endian CPU architectures and ARGB on * big-endian CPUs. * * @note * If the resolution is not a multiple of the chroma subsampling factor * then the chroma plane resolution must be rounded up. * * @par * When the pixel format is palettized RGB32 (AV_PIX_FMT_PAL8), the palettized * image data is stored in AVFrame.data[0]. The palette is transported in * AVFrame.data[1], is 1024 bytes long (256 4-byte entries) and is * formatted the same as in AV_PIX_FMT_RGB32 described above (i.e., it is * also endian-specific). Note also that the individual RGB32 palette * components stored in AVFrame.data[1] should be in the range 0..255. * This is important as many custom PAL8 video codecs that were designed * to run on the IBM VGA graphics adapter use 6-bit palette components. * * @par * For all the 8 bits per pixel formats, an RGB32 palette is in data[1] like * for pal8. This palette is filled in automatically by the function * allocating the picture. */ enum AVPixelFormat { … }; #if AV_HAVE_BIGENDIAN #define AV_PIX_FMT_NE … #else #define AV_PIX_FMT_NE(be, le) … #endif #define AV_PIX_FMT_RGB32 … #define AV_PIX_FMT_RGB32_1 … #define AV_PIX_FMT_BGR32 … #define AV_PIX_FMT_BGR32_1 … #define AV_PIX_FMT_0RGB32 … #define AV_PIX_FMT_0BGR32 … #define AV_PIX_FMT_GRAY9 … #define AV_PIX_FMT_GRAY10 … #define AV_PIX_FMT_GRAY12 … #define AV_PIX_FMT_GRAY14 … #define AV_PIX_FMT_GRAY16 … #define AV_PIX_FMT_YA16 … #define AV_PIX_FMT_RGB48 … #define AV_PIX_FMT_RGB565 … #define AV_PIX_FMT_RGB555 … #define AV_PIX_FMT_RGB444 … #define AV_PIX_FMT_RGBA64 … #define AV_PIX_FMT_BGR48 … #define AV_PIX_FMT_BGR565 … #define AV_PIX_FMT_BGR555 … #define AV_PIX_FMT_BGR444 … #define AV_PIX_FMT_BGRA64 … #define AV_PIX_FMT_YUV420P9 … #define AV_PIX_FMT_YUV422P9 … #define AV_PIX_FMT_YUV444P9 … #define AV_PIX_FMT_YUV420P10 … #define AV_PIX_FMT_YUV422P10 … #define AV_PIX_FMT_YUV440P10 … #define AV_PIX_FMT_YUV444P10 … #define AV_PIX_FMT_YUV420P12 … #define AV_PIX_FMT_YUV422P12 … #define AV_PIX_FMT_YUV440P12 … #define AV_PIX_FMT_YUV444P12 … #define AV_PIX_FMT_YUV420P14 … #define AV_PIX_FMT_YUV422P14 … #define AV_PIX_FMT_YUV444P14 … #define AV_PIX_FMT_YUV420P16 … #define AV_PIX_FMT_YUV422P16 … #define AV_PIX_FMT_YUV444P16 … #define AV_PIX_FMT_GBRP9 … #define AV_PIX_FMT_GBRP10 … #define AV_PIX_FMT_GBRP12 … #define AV_PIX_FMT_GBRP14 … #define AV_PIX_FMT_GBRP16 … #define AV_PIX_FMT_GBRAP10 … #define AV_PIX_FMT_GBRAP12 … #define AV_PIX_FMT_GBRAP14 … #define AV_PIX_FMT_GBRAP16 … #define AV_PIX_FMT_BAYER_BGGR16 … #define AV_PIX_FMT_BAYER_RGGB16 … #define AV_PIX_FMT_BAYER_GBRG16 … #define AV_PIX_FMT_BAYER_GRBG16 … #define AV_PIX_FMT_GBRPF32 … #define AV_PIX_FMT_GBRAPF32 … #define AV_PIX_FMT_GRAYF32 … #define AV_PIX_FMT_YUVA420P9 … #define AV_PIX_FMT_YUVA422P9 … #define AV_PIX_FMT_YUVA444P9 … #define AV_PIX_FMT_YUVA420P10 … #define AV_PIX_FMT_YUVA422P10 … #define AV_PIX_FMT_YUVA444P10 … #define AV_PIX_FMT_YUVA422P12 … #define AV_PIX_FMT_YUVA444P12 … #define AV_PIX_FMT_YUVA420P16 … #define AV_PIX_FMT_YUVA422P16 … #define AV_PIX_FMT_YUVA444P16 … #define AV_PIX_FMT_XYZ12 … #define AV_PIX_FMT_NV20 … #define AV_PIX_FMT_AYUV64 … #define AV_PIX_FMT_P010 … #define AV_PIX_FMT_P012 … #define AV_PIX_FMT_P016 … #define AV_PIX_FMT_Y210 … #define AV_PIX_FMT_Y212 … #define AV_PIX_FMT_XV30 … #define AV_PIX_FMT_XV36 … #define AV_PIX_FMT_X2RGB10 … #define AV_PIX_FMT_X2BGR10 … #define AV_PIX_FMT_P210 … #define AV_PIX_FMT_P410 … #define AV_PIX_FMT_P212 … #define AV_PIX_FMT_P412 … #define AV_PIX_FMT_P216 … #define AV_PIX_FMT_P416 … #define AV_PIX_FMT_RGBAF16 … #define AV_PIX_FMT_RGBF32 … #define AV_PIX_FMT_RGBAF32 … /** * Chromaticity coordinates of the source primaries. * These values match the ones defined by ISO/IEC 23091-2_2019 subclause 8.1 and ITU-T H.273. */ enum AVColorPrimaries { … }; /** * Color Transfer Characteristic. * These values match the ones defined by ISO/IEC 23091-2_2019 subclause 8.2. */ enum AVColorTransferCharacteristic { … }; /** * YUV colorspace type. * These values match the ones defined by ISO/IEC 23091-2_2019 subclause 8.3. */ enum AVColorSpace { … }; /** * Visual content value range. * * These values are based on definitions that can be found in multiple * specifications, such as ITU-T BT.709 (3.4 - Quantization of RGB, luminance * and colour-difference signals), ITU-T BT.2020 (Table 5 - Digital * Representation) as well as ITU-T BT.2100 (Table 9 - Digital 10- and 12-bit * integer representation). At the time of writing, the BT.2100 one is * recommended, as it also defines the full range representation. * * Common definitions: * - For RGB and luma planes such as Y in YCbCr and I in ICtCp, * 'E' is the original value in range of 0.0 to 1.0. * - For chroma planes such as Cb,Cr and Ct,Cp, 'E' is the original * value in range of -0.5 to 0.5. * - 'n' is the output bit depth. * - For additional definitions such as rounding and clipping to valid n * bit unsigned integer range, please refer to BT.2100 (Table 9). */ enum AVColorRange { … }; /** * Location of chroma samples. * * Illustration showing the location of the first (top left) chroma sample of the * image, the left shows only luma, the right * shows the location of the chroma sample, the 2 could be imagined to overlay * each other but are drawn separately due to limitations of ASCII * * 1st 2nd 1st 2nd horizontal luma sample positions * v v v v * ______ ______ *1st luma line > |X X ... |3 4 X ... X are luma samples, * | |1 2 1-6 are possible chroma positions *2nd luma line > |X X ... |5 6 X ... 0 is undefined/unknown position */ enum AVChromaLocation { … }; #endif /* AVUTIL_PIXFMT_H */
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