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Fix aac.DecodeConfig sampleRate parsing

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This commit is contained in:
Alex X
2024-05-22 18:46:30 +03:00
parent 53242ea02f
commit 78a74da8d6
2 changed files with 11 additions and 0 deletions
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pkg/aac/aac.go
+2
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@@ -69,6 +69,8 @@ func DecodeConfig(b []byte) (objType, sampleFreqIdx, channels byte, sampleRate u
sampleFreqIdx = rd.ReadBits8(4) sampleFreqIdx = rd.ReadBits8(4)
if sampleFreqIdx == 0b1111 { if sampleFreqIdx == 0b1111 {
sampleRate = rd.ReadBits(24) sampleRate = rd.ReadBits(24)
} else {
sampleRate = sampleRates[sampleFreqIdx]
} }
channels = rd.ReadBits8(4) channels = rd.ReadBits8(4)
pkg/aac/aac_test.go
+9
View File
@@ -41,3 +41,12 @@ func TestADTS(t *testing.T) {
require.Equal(t, src[:len(dst)], dst) require.Equal(t, src[:len(dst)], dst)
} }
func TestEncodeConfig(t *testing.T) {
conf := EncodeConfig(TypeAACLC, 48000, 1, false)
require.Equal(t, "1188", hex.EncodeToString(conf))
conf = EncodeConfig(TypeAACLC, 16000, 1, false)
require.Equal(t, "1408", hex.EncodeToString(conf))
conf = EncodeConfig(TypeAACLC, 8000, 1, false)
require.Equal(t, "1588", hex.EncodeToString(conf))
}