test_chunk_out_of_range.rs

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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_out_of_chunk_range() {

    let mut file = std::fs::File::open("tests/chunk_out_of_range.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);

        // its first chunk is out of range.

        // <SampleToChunkBox EntryCount="1">

        //     <BoxInfo Size="28" Type="stsc"/>

        //     <FullBoxInfo Version="0" Flags="0x0"/>

        //     <SampleToChunkEntry FirstChunk="16777217" SamplesPerChunk="17" SampleDescriptionIndex="1"/>

//

        let mut indice = Mp4parseByteData::default();

        let rv = mp4parse_get_indice_table(parser, 1, &mut indice);

        assert_eq!(rv, Mp4parseStatus::Invalid);

        mp4parse_free(parser);