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avutil.h

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#ifndef AVUTIL_H
#define AVUTIL_H

/**
 * @file avutil.h
 * external api header.
 */


#ifdef __cplusplus
extern "C" {
#endif

#define AV_STRINGIFY(s)         AV_TOSTRING(s)
#define AV_TOSTRING(s) #s

#define LIBAVUTIL_VERSION_INT   ((49<<16)+(0<<8)+0)
#define LIBAVUTIL_VERSION       49.0.0
#define LIBAVUTIL_BUILD         LIBAVUTIL_VERSION_INT

#define LIBAVUTIL_IDENT         "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)


#include "common.h"
#include "mathematics.h"
#include "rational.h"
#include "integer.h"
#include "intfloat_readwrite.h"

/**
 * Pixel format. Notes:
 *
 * PIX_FMT_RGBA32 is handled in an endian-specific manner. A 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.
 *
 * When the pixel format is palettized RGB (PIX_FMT_PAL8), the palettized
 * image data is stored in AVFrame.data[0]. The palette is transported in
 * AVFrame.data[1] and, is 1024 bytes long (256 4-byte entries) and is
 * formatted the same as in PIX_FMT_RGBA32 described above (i.e., it is
 * also endian-specific). Note also that the individual RGB 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.
 */
00048 enum PixelFormat {
    PIX_FMT_NONE= -1,
00050     PIX_FMT_YUV420P,   ///< Planar YUV 4:2:0 (1 Cr & Cb sample per 2x2 Y samples)
00051     PIX_FMT_YUV422,    ///< Packed pixel, Y0 Cb Y1 Cr
00052     PIX_FMT_RGB24,     ///< Packed pixel, 3 bytes per pixel, RGBRGB...
00053     PIX_FMT_BGR24,     ///< Packed pixel, 3 bytes per pixel, BGRBGR...
00054     PIX_FMT_YUV422P,   ///< Planar YUV 4:2:2 (1 Cr & Cb sample per 2x1 Y samples)
00055     PIX_FMT_YUV444P,   ///< Planar YUV 4:4:4 (1 Cr & Cb sample per 1x1 Y samples)
00056     PIX_FMT_RGBA32,    ///< Packed pixel, 4 bytes per pixel, BGRABGRA..., stored in cpu endianness
00057     PIX_FMT_YUV410P,   ///< Planar YUV 4:1:0 (1 Cr & Cb sample per 4x4 Y samples)
00058     PIX_FMT_YUV411P,   ///< Planar YUV 4:1:1 (1 Cr & Cb sample per 4x1 Y samples)
00059     PIX_FMT_RGB565,    ///< always stored in cpu endianness
00060     PIX_FMT_RGB555,    ///< always stored in cpu endianness, most significant bit to 1
    PIX_FMT_GRAY8,
00062     PIX_FMT_MONOWHITE, ///< 0 is white
00063     PIX_FMT_MONOBLACK, ///< 0 is black
00064     PIX_FMT_PAL8,      ///< 8 bit with RGBA palette
00065     PIX_FMT_YUVJ420P,  ///< Planar YUV 4:2:0 full scale (jpeg)
00066     PIX_FMT_YUVJ422P,  ///< Planar YUV 4:2:2 full scale (jpeg)
00067     PIX_FMT_YUVJ444P,  ///< Planar YUV 4:4:4 full scale (jpeg)
00068     PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing(xvmc_render.h)
    PIX_FMT_XVMC_MPEG2_IDCT,
00070     PIX_FMT_UYVY422,   ///< Packed pixel, Cb Y0 Cr Y1
00071     PIX_FMT_UYVY411,   ///< Packed pixel, Cb Y0 Y1 Cr Y2 Y3
    PIX_FMT_NB,
};

#ifdef __cplusplus
}
#endif

#endif /* AVUTIL_H */

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