opus2 0.4.0

Safe Rust bindings for libopus
Documentation 
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// Based on libopus/tests/test_opus_padding.c

/* Check for overflow in reading the padding length.
 * http://lists.xiph.org/pipermail/opus/2012-November/001834.html
 */

#[test]
fn test_overflow() {
	const PACKETSIZE: usize = 16909318;
	const CHANNELS: opus2::Channels = opus2::Channels::Stereo;
	const FRAMESIZE: usize = 5760;

	let mut input = vec![0xff; PACKETSIZE];
	let mut output = vec![0i16; FRAMESIZE * 2];

	input[0] = 0xff;
	input[1] = 0x41;
	*input.last_mut().unwrap() = 0x0b;

	let mut decoder = opus2::Decoder::new(48000, CHANNELS).unwrap();
	let result = decoder.decode(&input[..], &mut output[..], false);
	drop(decoder);
	drop(input);
	drop(output);

	assert_eq!(result.unwrap_err().code(), opus2::ErrorCode::InvalidPacket);
}