diff options
Diffstat (limited to 'video/img_format.h')
| -rw-r--r-- | video/img_format.h | 79 |
1 files changed, 71 insertions, 8 deletions
diff --git a/video/img_format.h b/video/img_format.h index ab657a22d0..6f68cae5d1 100644 --- a/video/img_format.h +++ b/video/img_format.h @@ -23,6 +23,46 @@ #include "config.h" #include "core/bstr.h" +#define MP_MAX_PLANES 4 + +// set if (possibly) alpha is included (might be not definitive for packed RGB) +#define MP_IMGFLAG_ALPHA 0x80 +// set if number of planes > 1 +#define MP_IMGFLAG_PLANAR 0x100 +// set if it's YUV colorspace +#define MP_IMGFLAG_YUV 0x200 +// set if it's swapped (BGR or YVU) plane/byteorder +#define MP_IMGFLAG_SWAPPED 0x400 +// set if you want memory for palette allocated and managed by vf_get_image etc. +#define MP_IMGFLAG_RGB_PALETTE 0x800 +// set if the format is standard YUV format: +// - planar and yuv colorspace +// - chroma shift 0-2 +// - 1-4 planes (1: gray, 2: gray/alpha, 3: yuv, 4: yuv/alpha) +// - 8-16 bit per pixel/plane, all planes have same depth +#define MP_IMGFLAG_YUV_P 0x1000 +// set if format is in native endian, or <= 8 bit per pixel/plane +#define MP_IMGFLAG_NE 0x2000 + +#define MP_IMGFLAG_FMT_MASK 0x3FFF + +struct mp_imgfmt_desc { + int id; // IMGFMT_* + int avformat; // AV_PIX_FMT_* (or AV_PIX_FMT_NONE) + const char *name; // e.g. "420p16" + int flags; // MP_IMGFLAG_* bitfield + int num_planes; + int chroma_xs, chroma_ys; // chroma shift (i.e. log2 of chroma pixel size) + int avg_bpp; + int bpp[MP_MAX_PLANES]; + int plane_bits; // number of bits in use for plane 0 + // chroma shifts per plane (provided for convenience with planar formats) + int xs[MP_MAX_PLANES]; + int ys[MP_MAX_PLANES]; +}; + +struct mp_imgfmt_desc mp_imgfmt_get_desc(unsigned int out_fmt); + /* RGB/BGR Formats */ #define IMGFMT_RGB_MASK 0xFFFFFF00 @@ -95,14 +135,26 @@ #define IMGFMT_RG4B IMGFMT_RGB4_CHAR #define IMGFMT_BG4B IMGFMT_BGR4_CHAR -#define IMGFMT_IS_RGB(fmt) (((fmt)&IMGFMT_RGB_MASK)==IMGFMT_RGB) -#define IMGFMT_IS_BGR(fmt) (((fmt)&IMGFMT_BGR_MASK)==IMGFMT_BGR) - -#define IMGFMT_RGB_DEPTH(fmt) ((fmt)&0x3F) -#define IMGFMT_BGR_DEPTH(fmt) ((fmt)&0x3F) // AV_PIX_FMT_BGR0 #define IMGFMT_BGR0 0x1DC70000 + +static inline bool IMGFMT_IS_RGB(unsigned int fmt) +{ + struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(fmt); + return !(desc.flags & MP_IMGFLAG_YUV) && !(desc.flags & MP_IMGFLAG_SWAPPED) + && desc.num_planes == 1 && desc.id != IMGFMT_BGR0; +} +static inline bool IMGFMT_IS_BGR(unsigned int fmt) +{ + struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(fmt); + return !(desc.flags & MP_IMGFLAG_YUV) && (desc.flags & MP_IMGFLAG_SWAPPED) + && desc.num_planes == 1 && desc.id != IMGFMT_BGR0; +} + +#define IMGFMT_RGB_DEPTH(fmt) (mp_imgfmt_get_desc(fmt).plane_bits) +#define IMGFMT_BGR_DEPTH(fmt) (mp_imgfmt_get_desc(fmt).plane_bits) + // AV_PIX_FMT_GRAY16LE #define IMGFMT_Y16LE 0x1DC70001 // AV_PIX_FMT_GRAY16BE @@ -203,9 +255,20 @@ #define IMGFMT_IS_YUVP16_NE(fmt) IMGFMT_IS_YUVP16_LE(fmt) #endif -// These macros are misnamed - they actually match 9 to 16 bits (inclusive) -#define IMGFMT_IS_YUVP16_LE(fmt) (((fmt - 0x51000034) & 0xf80000ff) == 0 || fmt == IMGFMT_Y16LE) -#define IMGFMT_IS_YUVP16_BE(fmt) (((fmt - 0x34000051) & 0xff0000f8) == 0 || fmt == IMGFMT_Y16BE) +// These functions are misnamed - they actually match 9 to 16 bits (inclusive) +static inline bool IMGFMT_IS_YUVP16_LE(int fmt) { + struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(fmt); + bool le_is_ne = BYTE_ORDER == LITTLE_ENDIAN; + return (desc.flags & MP_IMGFLAG_YUV_P) && desc.plane_bits > 8 && + (le_is_ne == !!(desc.flags & MP_IMGFLAG_NE)); +} +static inline bool IMGFMT_IS_YUVP16_BE(int fmt) { + struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(fmt); + bool be_is_ne = BYTE_ORDER == BIG_ENDIAN; + return (desc.flags & MP_IMGFLAG_YUV_P) && desc.plane_bits > 8 && + (be_is_ne == !!(desc.flags & MP_IMGFLAG_NE)); +} + #define IMGFMT_IS_YUVP16(fmt) (IMGFMT_IS_YUVP16_LE(fmt) || IMGFMT_IS_YUVP16_BE(fmt)) /* Packed YUV Formats */ |