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Added dictionary copy

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This commit is contained in:
Quentin Renard
2025-05-22 09:11:03 +02:00
parent bce37accc6
commit b9f3da6912
2 changed files with 26 additions and 12 deletions
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5
dictionary.go
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@@ -78,3 +78,8 @@ func (d *Dictionary) Unpack(b []byte) error {
return newError(C.av_packet_unpack_dictionary(b, size, &d.c))
})
}
// https://ffmpeg.org/doxygen/7.0/group__lavu__dict.html#ga59a6372b124b306e3a2233723c5cdc78
func (d *Dictionary) Copy(dst *Dictionary, flags DictionaryFlags) error {
return newError(C.av_dict_copy(&dst.c, d.c, C.int(flags)))
}

33
dictionary_test.go
View File

@@ -7,36 +7,45 @@ import (
)
func TestDictionary(t *testing.T) {
d := NewDictionary()
defer d.Free()
err := d.ParseString("invalid,,", ":", ",", 0)
d1 := NewDictionary()
defer d1.Free()
err := d1.ParseString("invalid,,", ":", ",", 0)
require.Error(t, err)
err = d.ParseString("k1=v1,k2=v2", "=", ",", 0)
err = d1.ParseString("k1=v1,k2=v2", "=", ",", 0)
require.NoError(t, err)
err = d.Set("k3", "v3", 0)
err = d1.Set("k3", "v3", 0)
require.NoError(t, err)
e := d.Get("k1", nil, 0)
e := d1.Get("k1", nil, 0)
require.NotNil(t, e)
require.Equal(t, "k1", e.Key())
require.Equal(t, "v1", e.Value())
e = d.Get("k2", nil, 0)
e = d1.Get("k2", nil, 0)
require.NotNil(t, e)
require.Equal(t, "k2", e.Key())
require.Equal(t, "v2", e.Value())
e = d.Get("k3", nil, 0)
e = d1.Get("k3", nil, 0)
require.NotNil(t, e)
require.Equal(t, "k3", e.Key())
require.Equal(t, "v3", e.Value())
e = d.Get("k4", nil, 0)
e = d1.Get("k4", nil, 0)
require.Nil(t, e)
b := d.Pack()
b := d1.Pack()
require.Equal(t, "k1\x00v1\x00k2\x00v2\x00k3\x00v3\x00", string(b))
err = d.Unpack([]byte("k4\x00v4\x00"))
err = d1.Unpack([]byte("k4\x00v4\x00"))
require.NoError(t, err)
e = d.Get("k4", nil, 0)
e = d1.Get("k4", nil, 0)
require.NotNil(t, e)
require.Equal(t, "k4", e.Key())
require.Equal(t, "v4", e.Value())
d2 := NewDictionary()
defer d2.Free()
require.NoError(t, d1.Copy(d2, NewDictionaryFlags()))
e = d2.Get("k4", nil, 0)
require.NotNil(t, e)
require.Equal(t, "k4", e.Key())
require.Equal(t, "v4", e.Value())
}