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|
use mp4parse::unstable::Indice;
use mp4parse_capi::*;
use std::io::Read;
extern "C" fn buf_read(buf: *mut u8, size: usize, userdata: *mut std::os::raw::c_void) -> isize {
let input: &mut std::fs::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 parse_sample_table() {
let mut file =
std::fs::File::open("tests/bipbop_nonfragment_header.mp4").expect("Unknown file");
let io = Mp4parseIo {
read: Some(buf_read),
userdata: &mut file as *mut _ as *mut std::os::raw::c_void,
};
unsafe {
let mut parser = std::ptr::null_mut();
let mut rv = mp4parse_new(&io, &mut parser);
assert_eq!(rv, Mp4parseStatus::Ok);
assert!(!parser.is_null());
let mut counts: u32 = 0;
rv = mp4parse_get_track_count(parser, &mut counts);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(counts, 2);
let mut track_info = Mp4parseTrackInfo::default();
rv = mp4parse_get_track_info(parser, 1, &mut track_info);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(track_info.track_type, Mp4parseTrackType::Audio);
// Check audio smaple table
let mut is_fragmented_file: u8 = 0;
rv = mp4parse_is_fragmented(parser, track_info.track_id, &mut is_fragmented_file);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(is_fragmented_file, 0);
let mut indice = Mp4parseByteData::default();
rv = mp4parse_get_indice_table(parser, track_info.track_id, &mut indice);
assert_eq!(rv, Mp4parseStatus::Ok);
// Compare the value from stagefright.
let audio_indice_0 = Indice {
start_offset: 27_046.into(),
end_offset: 27_052.into(),
start_composition: 0.into(),
end_composition: 1024.into(),
start_decode: 0.into(),
sync: true,
};
let audio_indice_215 = Indice {
start_offset: 283_550.into(),
end_offset: 283_556.into(),
start_composition: 220160.into(),
end_composition: 221184.into(),
start_decode: 220160.into(),
sync: true,
};
assert_eq!(indice.length, 216);
assert_eq!(*indice.indices.offset(0), audio_indice_0);
assert_eq!(*indice.indices.offset(215), audio_indice_215);
// Check video smaple table
rv = mp4parse_get_track_info(parser, 0, &mut track_info);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(track_info.track_type, Mp4parseTrackType::Video);
let mut is_fragmented_file: u8 = 0;
rv = mp4parse_is_fragmented(parser, track_info.track_id, &mut is_fragmented_file);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(is_fragmented_file, 0);
let mut indice = Mp4parseByteData::default();
rv = mp4parse_get_indice_table(parser, track_info.track_id, &mut indice);
assert_eq!(rv, Mp4parseStatus::Ok);
// Compare the last few data from stagefright.
let video_indice_291 = Indice {
start_offset: 280_226.into(),
end_offset: 280_855.into(),
start_composition: 876995.into(),
end_composition: 879996.into(),
start_decode: 873900.into(),
sync: false,
};
let video_indice_292 = Indice {
start_offset: 280_855.into(),
end_offset: 281_297.into(),
start_composition: 873996.into(),
end_composition: 876995.into(),
start_decode: 873901.into(),
sync: false,
};
// TODO: start_composition time in stagefright is 9905000, but it is 9904999 in parser, it
// could be rounding error.
//let video_indice_293 = Indice { start_offset: 281_297, end_offset: 281_919, start_composition: 9_905_000, end_composition: 9_938_344, start_decode: 9_776_666, sync: false };
//let video_indice_294 = Indice { start_offset: 281_919, end_offset: 282_391, start_composition: 9_871_677, end_composition: 9_905_000, start_decode: 9_776_677, sync: false };
let video_indice_295 = Indice {
start_offset: 282_391.into(),
end_offset: 283_032.into(),
start_composition: 888995.into(),
end_composition: 888996.into(),
start_decode: 885900.into(),
sync: false,
};
let video_indice_296 = Indice {
start_offset: 283_092.into(),
end_offset: 283_526.into(),
start_composition: 885996.into(),
end_composition: 888995.into(),
start_decode: 885901.into(),
sync: false,
};
assert_eq!(indice.length, 297);
assert_eq!(*indice.indices.offset(291), video_indice_291);
assert_eq!(*indice.indices.offset(292), video_indice_292);
//assert_eq!(*indice.indices.offset(293), video_indice_293);
//assert_eq!(*indice.indices.offset(294), video_indice_294);
assert_eq!(*indice.indices.offset(295), video_indice_295);
assert_eq!(*indice.indices.offset(296), video_indice_296);
mp4parse_free(parser);
}
}
#[test]
fn parse_sample_table_with_elst() {
let mut file = std::fs::File::open("tests/short-cenc.mp4").expect("Unknown file");
let io = Mp4parseIo {
read: Some(buf_read),
userdata: &mut file as *mut _ as *mut std::os::raw::c_void,
};
unsafe {
let mut parser = std::ptr::null_mut();
let mut rv = mp4parse_new(&io, &mut parser);
assert_eq!(rv, Mp4parseStatus::Ok);
assert!(!parser.is_null());
let mut counts: u32 = 0;
rv = mp4parse_get_track_count(parser, &mut counts);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(counts, 2);
let mut track_info = Mp4parseTrackInfo::default();
rv = mp4parse_get_track_info(parser, 1, &mut track_info);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(track_info.track_type, Mp4parseTrackType::Audio);
// Check audio sample table
let mut is_fragmented_file: u8 = u8::MAX;
rv = mp4parse_is_fragmented(parser, track_info.track_id, &mut is_fragmented_file);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(is_fragmented_file, 0);
let mut indice = Mp4parseByteData::default();
rv = mp4parse_get_indice_table(parser, track_info.track_id, &mut indice);
assert_eq!(rv, Mp4parseStatus::Ok);
// Compare the value from stagefright.
// Due to 'elst', the start_composition and end_composition are negative
// at first two samples.
let audio_indice_0 = Indice {
start_offset: 6992.into(),
end_offset: 7363.into(),
start_composition: (-1600).into(),
end_composition: (-576).into(),
start_decode: 0.into(),
sync: true,
};
let audio_indice_1 = Indice {
start_offset: 7363.into(),
end_offset: 7735.into(),
start_composition: (-576).into(),
end_composition: 448.into(),
start_decode: 1024.into(),
sync: true,
};
let audio_indice_2 = Indice {
start_offset: 7735.into(),
end_offset: 8106.into(),
start_composition: 448.into(),
end_composition: 1472.into(),
start_decode: 2048.into(),
sync: true,
};
assert_eq!(indice.length, 21);
assert_eq!(*indice.indices.offset(0), audio_indice_0);
assert_eq!(*indice.indices.offset(1), audio_indice_1);
assert_eq!(*indice.indices.offset(2), audio_indice_2);
mp4parse_free(parser);
}
}
#[test]
fn parse_sample_table_with_negative_ctts() {
let mut file = std::fs::File::open("tests/white.mp4").expect("Unknown file");
let io = Mp4parseIo {
read: Some(buf_read),
userdata: &mut file as *mut _ as *mut std::os::raw::c_void,
};
unsafe {
let mut parser = std::ptr::null_mut();
let mut rv = mp4parse_new(&io, &mut parser);
assert_eq!(rv, Mp4parseStatus::Ok);
assert!(!parser.is_null());
let mut counts: u32 = 0;
rv = mp4parse_get_track_count(parser, &mut counts);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(counts, 1);
let mut track_info = Mp4parseTrackInfo::default();
rv = mp4parse_get_track_info(parser, 0, &mut track_info);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(track_info.track_type, Mp4parseTrackType::Video);
let mut is_fragmented_file: u8 = u8::MAX;
rv = mp4parse_is_fragmented(parser, track_info.track_id, &mut is_fragmented_file);
assert_eq!(rv, Mp4parseStatus::Ok);
assert_eq!(is_fragmented_file, 0);
let mut indice = Mp4parseByteData::default();
rv = mp4parse_get_indice_table(parser, track_info.track_id, &mut indice);
assert_eq!(rv, Mp4parseStatus::Ok);
// There are negative value in 'ctts' table.
let video_indice_0 = Indice {
start_offset: 48.into(),
end_offset: 890.into(),
start_composition: 0.into(),
end_composition: 100.into(),
start_decode: 0.into(),
sync: true,
};
let video_indice_1 = Indice {
start_offset: 890.into(),
end_offset: 913.into(),
start_composition: 400.into(),
end_composition: 500.into(),
start_decode: 100.into(),
sync: false,
};
let video_indice_2 = Indice {
start_offset: 913.into(),
end_offset: 934.into(),
start_composition: 200.into(),
end_composition: 300.into(),
start_decode: 200.into(),
sync: false,
};
let video_indice_3 = Indice {
start_offset: 934.into(),
end_offset: 955.into(),
start_composition: 100.into(),
end_composition: 200.into(),
start_decode: 300.into(),
sync: false,
};
assert_eq!(indice.length, 300);
assert_eq!(*indice.indices.offset(0), video_indice_0);
assert_eq!(*indice.indices.offset(1), video_indice_1);
assert_eq!(*indice.indices.offset(2), video_indice_2);
assert_eq!(*indice.indices.offset(3), video_indice_3);
mp4parse_free(parser);
}
}
|
