diff options
Diffstat (limited to 'libmpcodecs/mp_image.h')
| -rw-r--r-- | libmpcodecs/mp_image.h | 47 |
1 files changed, 34 insertions, 13 deletions
diff --git a/libmpcodecs/mp_image.h b/libmpcodecs/mp_image.h index df7ae7e1e9..40ee57d57b 100644 --- a/libmpcodecs/mp_image.h +++ b/libmpcodecs/mp_image.h @@ -1,33 +1,54 @@ #ifndef __MP_IMAGE_H #define __MP_IMAGE_H 1 +//--------- codec's requirements (filled by the codec/vf) --------- + +//--- buffer content restrictions: // set if buffer content shouldn't be modified: #define MP_IMGFLAG_PRESERVE 0x01 // set if buffer content will be READ for next frame's MC: (I/P mpeg frames) #define MP_IMGFLAG_READABLE 0x02 -// set if buffer is allocated (used in destination images): -#define MP_IMGFLAG_ALLOCATED 0x04 -// set if it's in video buffer/memory: -#define MP_IMGFLAG_DIRECT 0x08 + +//--- buffer width/stride/plane restrictions: (used for direct rendering) +// stride _have_to_ be aligned to MB boundary: [for DR restrictions] +#define MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE 0x4 +// stride should be aligned to MB boundary: [for buffer allocation] +#define MP_IMGFLAG_PREFER_ALIGNED_STRIDE 0x8 // codec accept any stride (>=width): #define MP_IMGFLAG_ACCEPT_STRIDE 0x10 -// codec accept any width (width*bpp=stride) (>=width): +// codec accept any width (width*bpp=stride -> stride%bpp==0) (>=width): #define MP_IMGFLAG_ACCEPT_WIDTH 0x20 -// stride should be aligned to 16-byte (MB) boundary: -#define MP_IMGFLAG_ALIGNED_STRIDE 0x40 -// codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2) -#define MP_IMGFLAG_DRAW_CALLBACK 0x80 +//--- for planar formats only: +// uses only stride[0], and stride[1]=stride[2]=stride[0]>>mpi->chroma_x_shift +#define MP_IMGFLAG_COMMON_STRIDE 0x40 +// uses only planes[0], and calculates planes[1,2] from width,height,imgfmt +#define MP_IMGFLAG_COMMON_PLANE 0x80 + +#define MP_IMGFLAGMASK_RESTRICTIONS 0xFF +//--------- color info (filled by mp_image_setfmt() ) ----------- // 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 plane/byteorder +// set if it's swapped (BGR or YVU) plane/byteorder #define MP_IMGFLAG_SWAPPED 0x400 -// type displayed (do not set this flag - it's for internal use!) -#define MP_IMGFLAG_TYPE_DISPLAYED 0x800 // using palette for RGB data -#define MP_IMGFLAG_TYPE_RGB_PALETTE 0x1000 +#define MP_IMGFLAG_RGB_PALETTE 0x800 + +#define MP_IMGFLAGMASK_COLORS 0xF00 + +// codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2) +// [the codec will set this flag if it supports callbacks, and the vo _may_ +// clear it in get_image() if draw_slice() not implemented] +#define MP_IMGFLAG_DRAW_CALLBACK 0x1000 +// set if it's in video buffer/memory: [set by vo/vf's get_image() !!!] +#define MP_IMGFLAG_DIRECT 0x2000 +// set if buffer is allocated (used in destination images): +#define MP_IMGFLAG_ALLOCATED 0x4000 + +// buffer type was printed (do NOT set this flag - it's for INTERNAL USE!!!) +#define MP_IMGFLAG_TYPE_DISPLAYED 0x8000 // codec doesn't support any form of direct rendering - it has own buffer // allocation. so we just export its buffer pointers: |