Frame.Copy(dst *Frame) (#127)

asticode · Jan 7, 2025 · ac7a8c3 · ac7a8c3
1 parent a6280c7
commit ac7a8c3
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Showing 2 changed files with 21 additions and 0 deletions.
diff --git a/frame.go b/frame.go
@@ -312,3 +312,8 @@ func (f *Frame) IsWritable() bool {
 func (f *Frame) MakeWritable() error {
 	return newError(C.av_frame_make_writable(f.c))
 }
+
+// https://ffmpeg.org/doxygen/7.0/group__lavu__frame.html#gaec4e92f6e1e75ffaf76e07586fb0c9ed
+func (f *Frame) Copy(dst *Frame) error {
+	return newError(C.av_frame_copy(dst.c, f.c))
+}
diff --git a/frame_test.go b/frame_test.go
@@ -129,4 +129,20 @@ func TestFrame(t *testing.T) {
 	require.False(t, f6.IsWritable())
 	require.NoError(t, f6.MakeWritable())
 	require.True(t, f6.IsWritable())
+
+	f7 := AllocFrame()
+	require.NotNil(t, f7)
+	defer f7.Free()
+	align = 1
+	f7.SetHeight(f6.Height())
+	f7.SetPixelFormat(f6.PixelFormat())
+	f7.SetWidth(f6.Width())
+	require.NoError(t, f7.AllocBuffer(align))
+	require.NoError(t, f7.AllocImage(align))
+	require.NoError(t, f6.Copy(f7))
+	f6b, err := f6.Data().Bytes(align)
+	require.NoError(t, err)
+	f7b, err := f7.Data().Bytes(align)
+	require.NoError(t, err)
+	require.Equal(t, f6b, f7b)
 }