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// Test for xHE-AAC codec detection via C API
use mp4parse_capi::*;
use std::fs::File;
use std::io::Read;
static XHE_AAC_FILE: &str = "tests/sine-3s-xhe-aac-44khz-mono.mp4";
extern "C" fn buf_read(buf: *mut u8, size: usize, userdata: *mut std::os::raw::c_void) -> isize {
let input: &mut File = unsafe { &mut *(userdata as *mut _) };
let buf = unsafe { std::slice::from_raw_parts_mut(buf, size) };
match input.read(buf) {
Ok(n) => n as isize,
Err(_) => -1,
}
}
#[test]
fn test_xhe_aac_codec_detection() {
unsafe {
let mut file = File::open(XHE_AAC_FILE).expect("Failed to open xHE-AAC test file");
let io = Mp4parseIo {
read: Some(buf_read),
userdata: &mut file as *mut _ as *mut std::os::raw::c_void,
};
let mut parser = std::ptr::null_mut();
let rv = mp4parse_new(&io, &mut parser);
assert_eq!(rv, Mp4parseStatus::Ok);
assert!(!parser.is_null());
let mut count: u32 = 0;
let rv = mp4parse_get_track_count(parser, &mut count);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(count, 1, "Expected exactly one track");
let mut track_info = Mp4parseTrackInfo::default();
let rv = mp4parse_get_track_info(parser, 0, &mut track_info);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(track_info.track_type, Mp4parseTrackType::Audio);
let mut audio_info = Mp4parseTrackAudioInfo::default();
let rv = mp4parse_get_track_audio_info(parser, 0, &mut audio_info);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(audio_info.sample_info_count, 1);
let sample_info = &*audio_info.sample_info;
assert_eq!(sample_info.codec_type, Mp4parseCodec::XHEAAC);
assert_eq!(sample_info.channels, 1); // mono
assert_eq!(sample_info.sample_rate, 44100); // 44.1kHz
assert_eq!(sample_info.profile, 42); // audio object type 42 (xHE-AAC)
assert_eq!(sample_info.extended_profile, 42);
assert!(sample_info.codec_specific_config.length > 0);
assert!(!sample_info.codec_specific_config.data.is_null());
mp4parse_free(parser);
}
}
#[test]
fn test_xhe_aac_vs_regular_aac() {
unsafe {
let mut file = File::open(XHE_AAC_FILE).expect("Failed to open xHE-AAC test file");
let io = Mp4parseIo {
read: Some(buf_read),
userdata: &mut file as *mut _ as *mut std::os::raw::c_void,
};
let mut parser = std::ptr::null_mut();
let rv = mp4parse_new(&io, &mut parser);
assert_eq!(rv, Mp4parseStatus::Ok);
let mut audio_info = Mp4parseTrackAudioInfo::default();
let rv = mp4parse_get_track_audio_info(parser, 0, &mut audio_info);
assert_eq!(rv, Mp4parseStatus::Ok);
let sample_info = &*audio_info.sample_info;
assert_eq!(sample_info.codec_type, Mp4parseCodec::XHEAAC);
assert_eq!(sample_info.profile, 42); // xHE-AAC audio object type
mp4parse_free(parser);
}
}
#[test]
fn test_xhe_aac_codec_not_unknown() {
unsafe {
let mut file = File::open(XHE_AAC_FILE).expect("Failed to open xHE-AAC test file");
let io = Mp4parseIo {
read: Some(buf_read),
userdata: &mut file as *mut _ as *mut std::os::raw::c_void,
};
let mut parser = std::ptr::null_mut();
let rv = mp4parse_new(&io, &mut parser);
assert_eq!(rv, Mp4parseStatus::Ok);
let mut audio_info = Mp4parseTrackAudioInfo::default();
let rv = mp4parse_get_track_audio_info(parser, 0, &mut audio_info);
assert_eq!(rv, Mp4parseStatus::Ok);
let sample_info = &*audio_info.sample_info;
assert_ne!(
sample_info.codec_type,
Mp4parseCodec::Unknown,
"xHE-AAC should not be detected as Unknown codec"
);
assert_eq!(
sample_info.codec_type,
Mp4parseCodec::XHEAAC,
"xHE-AAC should be detected as XHEAAC codec"
);
mp4parse_free(parser);
}
}