Initialisation du repository de Beta

venv/lib/python3.12/site-packages/av/bytesource.pyx

@@ -0,0 +1,43 @@
+from cpython.buffer cimport (
+    PyBUF_SIMPLE,
+    PyBuffer_Release,
+    PyObject_CheckBuffer,
+    PyObject_GetBuffer,
+)
+
+
+cdef class ByteSource:
+    def __cinit__(self, owner):
+        self.owner = owner
+
+        try:
+            self.ptr = owner
+        except TypeError:
+            pass
+        else:
+            self.length = len(owner)
+            return
+
+        if PyObject_CheckBuffer(owner):
+            # Can very likely use PyBUF_ND instead of PyBUF_SIMPLE
+            res = PyObject_GetBuffer(owner, &self.view, PyBUF_SIMPLE)
+            if not res:
+                self.has_view = True
+                self.ptr = <unsigned char *>self.view.buf
+                self.length = self.view.len
+                return
+
+        raise TypeError("expected bytes, bytearray or memoryview")
+
+    def __dealloc__(self):
+        if self.has_view:
+            PyBuffer_Release(&self.view)
+
+
+cdef ByteSource bytesource(obj, bint allow_none=False):
+    if allow_none and obj is None:
+        return
+    elif isinstance(obj, ByteSource):
+        return obj
+    else:
+        return ByteSource(obj)