X-Git-Url: https://git.videolan.org/?p=ffmpeg.git;a=blobdiff_plain;f=libavutil%2Favutil.h;h=f239a73818b9c0d193260551e7acdc5ba6ca3dc8;hp=6ab4b15c317b406767707914058a3610db0e24c4;hb=001299bfe8142740d4260d5443fa91eb951dbdcb;hpb=bb270c0896b39e1ae9277355e3c120ed3feb64a3 diff --git a/libavutil/avutil.h b/libavutil/avutil.h index 6ab4b15c31..f239a73818 100644 --- a/libavutil/avutil.h +++ b/libavutil/avutil.h @@ -26,6 +26,85 @@ extern "C" { #include "rational.h" #include "integer.h" #include "intfloat_readwrite.h" +#include "log.h" + +/** + * Pixel format. Notes: + * + * PIX_FMT_RGB32 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_RGB32 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. + */ +enum PixelFormat { + PIX_FMT_NONE= -1, + PIX_FMT_YUV420P, ///< Planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples) + PIX_FMT_YUYV422, ///< Packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr + PIX_FMT_RGB24, ///< Packed RGB 8:8:8, 24bpp, RGBRGB... + PIX_FMT_BGR24, ///< Packed RGB 8:8:8, 24bpp, BGRBGR... + PIX_FMT_YUV422P, ///< Planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples) + PIX_FMT_YUV444P, ///< Planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples) + PIX_FMT_RGB32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8R 8G 8B(lsb), in cpu endianness + PIX_FMT_YUV410P, ///< Planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples) + PIX_FMT_YUV411P, ///< Planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) + PIX_FMT_RGB565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), in cpu endianness + PIX_FMT_RGB555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in cpu endianness most significant bit to 1 + PIX_FMT_GRAY8, ///< Y , 8bpp + PIX_FMT_MONOWHITE, ///< Y , 1bpp, 1 is white + PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black + PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette + PIX_FMT_YUVJ420P, ///< Planar YUV 4:2:0, 12bpp, full scale (jpeg) + PIX_FMT_YUVJ422P, ///< Planar YUV 4:2:2, 16bpp, full scale (jpeg) + PIX_FMT_YUVJ444P, ///< Planar YUV 4:4:4, 24bpp, full scale (jpeg) + PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing(xvmc_render.h) + PIX_FMT_XVMC_MPEG2_IDCT, + PIX_FMT_UYVY422, ///< Packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1 + PIX_FMT_UYYVYY411, ///< Packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3 + PIX_FMT_BGR32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8B 8G 8R(lsb), in cpu endianness + PIX_FMT_BGR565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), in cpu endianness + PIX_FMT_BGR555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), in cpu endianness most significant bit to 1 + PIX_FMT_BGR8, ///< Packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb) + PIX_FMT_BGR4, ///< Packed RGB 1:2:1, 4bpp, (msb)1B 2G 1R(lsb) + PIX_FMT_BGR4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb) + PIX_FMT_RGB8, ///< Packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb) + PIX_FMT_RGB4, ///< Packed RGB 1:2:1, 4bpp, (msb)2R 3G 3B(lsb) + PIX_FMT_RGB4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)2R 3G 3B(lsb) + PIX_FMT_NV12, ///< Planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 for UV + PIX_FMT_NV21, ///< as above, but U and V bytes are swapped + + PIX_FMT_RGB32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8R 8G 8B 8A(lsb), in cpu endianness + PIX_FMT_BGR32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8B 8G 8R 8A(lsb), in cpu endianness + + 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 +}; + +#ifdef WORDS_BIGENDIAN +#define PIX_FMT_RGBA PIX_FMT_RGB32_1 +#define PIX_FMT_BGRA PIX_FMT_BGR32_1 +#define PIX_FMT_ARGB PIX_FMT_RGB32 +#define PIX_FMT_ABGR PIX_FMT_BGR32 +#else +#define PIX_FMT_RGBA PIX_FMT_BGR32 +#define PIX_FMT_BGRA PIX_FMT_RGB32 +#define PIX_FMT_ARGB PIX_FMT_BGR32_1 +#define PIX_FMT_ABGR PIX_FMT_RGB32_1 +#endif + +#if LIBAVUTIL_VERSION_INT < (50<<16) +#define PIX_FMT_UYVY411 PIX_FMT_UYYVYY411 +#define PIX_FMT_RGBA32 PIX_FMT_RGB32 +#define PIX_FMT_YUV422 PIX_FMT_YUYV422 +#endif #ifdef __cplusplus }