Separate MetaFormats

pixutils/__init__.py

@@ -1,3 +1,4 @@
 from __future__ import annotations
 
 from .pixelformats import *
+from .metaformats import *

pixutils/pixelformats.py

@@ -5,7 +5,7 @@
 
 from .fourcc_str import str_to_fourcc, fourcc_to_str
 
-__all__ = [ 'PixelColorEncoding', 'PixelFormat', 'PixelFormats', 'MetaFormat', 'MetaFormats' ]
+__all__ = [ 'PixelColorEncoding', 'PixelFormat', 'PixelFormats' ]
 
 class PixelColorEncoding(Enum):
     RGB = 0
@@ -410,43 +410,3 @@ def find_by_name(name):
         1,
         ( ( 1, 1 ), ),
     )
-
-
-class MetaFormat:
-    def __init__(self, name: str, v4l2_fourcc: str, pixelspergroup: int, bytespergroup: int) -> None:
-        self.name = name
-        self.v4l2_fourcc = str_to_fourcc(v4l2_fourcc)
-        self.pixelspergroup = pixelspergroup
-        self.bytespergroup = bytespergroup
-
-    def stride(self, width: int, align: int = 1):
-        # ceil(width / pixelsPerGroup) * bytesPerGroup
-        stride = (width + self.pixelspergroup - 1) // self.pixelspergroup * self.bytespergroup
-
-        # ceil(stride / align) * align
-        return (stride + align - 1) // align * align
-
-
-class MetaFormats:
-    @staticmethod
-    def find_v4l2_fourcc(fourcc):
-        return next(v for v in MetaFormats.__dict__.values() if isinstance(v, MetaFormat) and v.v4l2_fourcc == fourcc)
-
-    @staticmethod
-    def find_v4l2_fourcc_unsupported(fourcc):
-        try:
-            return MetaFormats.find_v4l2_fourcc(fourcc)
-        except StopIteration:
-            s = fourcc_to_str(fourcc)
-            return MetaFormat(f'Unsupported<{s}>', s, 0, 0)
-
-    @staticmethod
-    def find_by_name(name):
-        return next(v for v in MetaFormats.__dict__.values() if isinstance(v, MetaFormat) and v.name == name)
-
-    GENERIC_8 = MetaFormat('GENERIC_8', 'MET8', 2, 2)
-    GENERIC_CSI2_10 = MetaFormat('GENERIC_CSI2_10', 'MC1A', 4, 5)
-    GENERIC_CSI2_12 = MetaFormat('GENERIC_CSI2_12', 'MC1C', 2, 3)
-
-    RPI_FE_CFG = MetaFormat('RPI_FE_CFG', 'RPFC', 1, 1)
-    RPI_FE_STATS = MetaFormat('RPI_FE_STATS', 'RPFS', 1, 1)