diff options
Diffstat (limited to 'video/img_format.h')
| -rw-r--r-- | video/img_format.h | 89 |
1 files changed, 57 insertions, 32 deletions
diff --git a/video/img_format.h b/video/img_format.h index 92e1716ca9..6b5420205f 100644 --- a/video/img_format.h +++ b/video/img_format.h @@ -31,41 +31,53 @@ #endif #define MP_MAX_PLANES 4 +#define MP_NUM_COMPONENTS 4 -// All pixels start in byte boundaries -#define MP_IMGFLAG_BYTE_ALIGNED 0x1 // mp_imgfmt_desc.comps[] is set to useful values. Some types of formats will // use comps[], but not set this flag, because it doesn't cover all requirements // (for example MP_IMGFLAG_PACKED_SS_YUV). -#define MP_IMGFLAG_HAS_COMPS (1 << 1) -// set if (possibly) alpha is included (might be not definitive for packed RGB) -#define MP_IMGFLAG_ALPHA 0x80 -// set if it's YUV colorspace -#define MP_IMGFLAG_YUV 0x200 -// set if it's RGB colorspace -#define MP_IMGFLAG_RGB 0x400 -// set if the format is in a 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, -// each plane has exactly one component -#define MP_IMGFLAG_YUV_P 0x1000 +#define MP_IMGFLAG_HAS_COMPS (1 << 0) + +// all components start on byte boundaries +#define MP_IMGFLAG_BYTES (1 << 1) + +// all pixels start in byte boundaries +#define MP_IMGFLAG_BYTE_ALIGNED (1 << 2) + // set if in little endian, or endian independent -#define MP_IMGFLAG_LE 0x2000 +#define MP_IMGFLAG_LE (1 << 3) + // set if in big endian, or endian independent -#define MP_IMGFLAG_BE 0x4000 +#define MP_IMGFLAG_BE (1 << 4) + // set if in native (host) endian, or endian independent -#define MP_IMGFLAG_NE MP_SELECT_LE_BE(MP_IMGFLAG_LE, MP_IMGFLAG_BE) -// Carries a palette in plane[1] (see AV_PIX_FMT_PAL8 for format of the palette). -#define MP_IMGFLAG_PAL 0x8000 -// planes don't contain real data -#define MP_IMGFLAG_HWACCEL 0x10000 -// Like MP_IMGFLAG_YUV_P, but RGB. This can be e.g. AV_PIX_FMT_GBRP. The planes -// are always shuffled (G - B - R [- A]). -#define MP_IMGFLAG_RGB_P 0x40000 -// Semi-planar YUV formats, like AV_PIX_FMT_NV12. -#define MP_IMGFLAG_YUV_NV 0x80000 +#define MP_IMGFLAG_NE MP_SELECT_LE_BE(MP_IMGFLAG_LE, MP_IMGFLAG_BE) + +// set if an alpha component is included +#define MP_IMGFLAG_ALPHA (1 << 5) + +// color class flags - can use via bit tests, or use the mask and compare +#define MP_IMGFLAG_COLOR_MASK (15 << 6) +#define MP_IMGFLAG_COLOR_YUV (1 << 6) +#define MP_IMGFLAG_COLOR_RGB (2 << 6) +#define MP_IMGFLAG_COLOR_XYZ (4 << 6) + +// component type flags (same access conventions as MP_IMGFLAG_COLOR_*) +#define MP_IMGFLAG_TYPE_MASK (15 << 10) +#define MP_IMGFLAG_TYPE_UINT (1 << 10) +#define MP_IMGFLAG_TYPE_FLOAT (2 << 10) +#define MP_IMGFLAG_TYPE_PAL8 (4 << 10) +#define MP_IMGFLAG_TYPE_HW (8 << 10) + +#define MP_IMGFLAG_YUV MP_IMGFLAG_COLOR_YUV +#define MP_IMGFLAG_RGB MP_IMGFLAG_COLOR_RGB +#define MP_IMGFLAG_PAL MP_IMGFLAG_TYPE_PAL8 +#define MP_IMGFLAG_HWACCEL MP_IMGFLAG_TYPE_HW + +// 1 component format (or 2 components if MP_IMGFLAG_ALPHA is set). +// This should probably be a separate MP_IMGFLAG_COLOR_GRAY, but for now it +// is too much of a mess. +#define MP_IMGFLAG_GRAY (1 << 14) // Packed, sub-sampled YUV format. Does not apply to packed non-subsampled YUV. // These formats pack multiple pixels into one sample with strange organization. @@ -76,9 +88,22 @@ // get their offsets with mp_imgfmt_get_packed_yuv_locations(). Note that the // component offsets can be >= bpp[0]; the actual range is bpp[0]*align_x. // These formats have no alpha. -#define MP_IMGFLAG_PACKED_SS_YUV (1 << 20) +#define MP_IMGFLAG_PACKED_SS_YUV (1 << 15) -#define MP_NUM_COMPONENTS 4 +// set if the format is in a 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, +// each plane has exactly one component +#define MP_IMGFLAG_YUV_P (1 << 16) + +// Like MP_IMGFLAG_YUV_P, but RGB. This can be e.g. AV_PIX_FMT_GBRP. The planes +// are always shuffled (G - B - R [- A]). +#define MP_IMGFLAG_RGB_P (1 << 17) + +// Semi-planar YUV formats, like AV_PIX_FMT_NV12. +#define MP_IMGFLAG_YUV_NV (1 << 18) struct mp_imgfmt_comp_desc { // Plane on which this component is. @@ -113,8 +138,8 @@ struct mp_imgfmt_desc { // MP_IMGFLAG_HAS_COMPS set. // This is indexed by component_type-1 (so 0=R, 1=G, etc.), see // mp_regular_imgfmt_plane.components[x] for component_type. Components not - // present, or which have an unknown layout, use size=0. Bits not covered by - // any component are random and not interpreted by any software. + // present use size=0. Bits not covered by any component are random and not + // interpreted by any software. // In particular, don't make the mistake to index this by plane. struct mp_imgfmt_comp_desc comps[MP_NUM_COMPONENTS]; |