cimport libav as lib
cdef class VideoFormat:
cdef lib.AVPixelFormat pix_fmt
cdef const lib.AVPixFmtDescriptor *ptr
cdef readonly unsigned int width, height
cdef readonly tuple components
cdef _init(self, lib.AVPixelFormat pix_fmt, unsigned int width, unsigned int height)
cpdef chroma_width(self, int luma_width=?)
cpdef chroma_height(self, int luma_height=?)
cdef class VideoFormatComponent:
cdef VideoFormat format
cdef readonly unsigned int index
cdef const lib.AVComponentDescriptor *ptr
cdef VideoFormat get_video_format(lib.AVPixelFormat c_format, unsigned int width, unsigned int height)
cdef lib.AVPixelFormat get_pix_fmt(const char *name) except lib.AV_PIX_FMT_NONE