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Update sidedata.pyx #1631

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Update sidedata.pyx #1631

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14 changes: 14 additions & 0 deletions av/sidedata/sidedata.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,21 @@ cdef class _SideDataContainer:

type_ = Type.get(key)
return self._by_type[type_]

def add(self, buffer, type):
# Add Frame side data
cdef ByteSource source = bytesource(buffer)
i = self.frame.ptr.nb_side_data
lib.av_frame_make_writable(self.frame.ptr)
ptr = lib.av_frame_new_side_data(self.frame.ptr, type, source.length)

memcpy(ptr.data, source.ptr, source.length)

# Update side_data

cdef SideData data = wrap_side_data(self.frame, i)
self._by_index.append(data)
self._by_type[data.type] = data

class SideDataContainer(_SideDataContainer, Mapping):
pass
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