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A tool developed in Rust to convert QSV to FLV（一个爱奇艺qsv转flv工具，不会生成多余的临时文件，使用Rust开发）

License: Mozilla Public License 2.0

Rust 100.00%

qsv-flv rust std qsv flv

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qsv2flv's Issues

怎么生成可执行文件来实现多平台运行？ (Reply: 已提供多平台预编译程序，需要自行交叉编译的可以参考下https://github.com/rust-embedded/cross)

麻烦作者辛苦添加个编译可执行文件的README

执行命令长时间没反应 (Reply: 安卓端下载的qsv可能解析有些问题，PC端下载的则是可以成功转换的)

在爱奇艺下载了爱情公寓和请回答1988的1080p视频进行转换，发现执行命令后长时间没反应

大佬您好，现在mac m1发现好像不支持耶，不知道是什么原因提示：failed to fill whole buffer

大佬您好，现在mac m1发现好像不支持耶，不知道是什么原因提示：failed to fill whole buffer
如果可以希望编绎出m1 mac版本的。也可能是我爱奇艺版本的问题，我的版本是11.12.5，下载后的程序藏得很深。而且文件名非原来视频名，并附带一个qsv.star文件。文件内容如下：
[{"sl":"214316805","vl":[{"ep":619,"sp":473},{"ep":913,"sp":705},{"ep":1661,"sp":959},{"ep":1876,"sp":1862},{"ep":2139,"sp":2073},{"ep":2285,"sp":2205},{"ep":2582,"sp":2351}]},{"sl":"200028905","vl":[{"ep":693,"sp":680},{"ep":959,"sp":928},{"ep":1955,"sp":1881}]}]

转换飞虎队视频报错

目标视频：飞虎队第一集
链接：https://www.iqiyi.com/v_19rroa7j4g.html
方式：通过爱奇艺客户端下载
结果：
Z:>x86_64-pc-windows-msvc-qsv2flv.exe 飞虎队第1集-超清720P.qsv 1.flv
[ERROR] Couldn't convert 飞虎队第1集-超清720P.qsv to 1.flv: failed to fill whole buffer

您好，请问qsv格式文件的结构信息可以从哪里查到

您好，请问如何得知qsv格式文件的详细结构信息呢？我目前只知道文件前10个字符是“QIYI VIDEO”。

我想知道这程序该怎么运行

您好，我在转换视频的时候出现以下错误，请问怎么回事呀

Couldn't convert .\668374600_668374600.qsv to test2.flv: failed to fill whole buffer

如何在windows平台下运行？

这个能转换成mp4不？

试了一下flv格式转换怎么那么快， 30m 一秒钟完成。。

skip_qsv_metadata 函数无法退出，执行十分钟

您好作者，本菜通过这项目刚接触 rust，现在转换 山海情（原声版）第1集-蓝光1080P 遇到问题，一直停在 [STEP] Parse all tag blocks... 这一步。

用的爱奇艺 PC 端最新版 8.1.128，文件前十一位字符为 QIYI VIDEO，版本 2。

拉代码加了一些 println，确定问题在下面函数里。执行不会退出，找不到 u32::from_be_bytes(buf) == len 满足的。用的 CPU 是 Little-Endian，把所有 from_be_bytes 函数换成了 from_le_bytes 也还是一样。

pub fn tag_blocks_from_qsv(qsv: &mut File) -> std::io::Result<FlvTagBlocks> {
    ......
    println!("[INFO] 4");
    let mut blocks = FlvTagBlocks::with_capacity(DEFAULT_CAP_BLOCKS);

    seek_qsv_to_start(qsv)?;
    println!("[INFO] 4.1");
    skip_qsv_metadata(qsv)?;
    println!("[INFO] 4.2");
    ......
}

#[inline]
pub fn skip_qsv_metadata(qsv: &mut File) -> std::io::Result<()> {
    let mut pos = 0u64;
    pos = qsv.seek(SeekFrom::Current(0x0D))?;
    println!("[INFO] 4.1.1, pos: {}", pos);
    let mut len = 0u32;
    let mut buf = [0u8; 4]; // 共用的缓冲区
    
    loop {
        qsv.read_exact(&mut buf[0..1])?; // 读取1个字节
        len += 1;

        println!("[INFO] 4.1.2 pos: {}, buf: {}, len: {}", pos, u32::from_le_bytes(buf), len);
        thread::sleep(time::Duration::from_millis(50));

        if buf[0] == 0x09 {
            qsv.read_exact(&mut buf)?;
            println!("[INFO] 4.1.3 - pos: {}, buf: {}, len: {}", pos, u32::from_le_bytes(buf), len);

            if u32::from_le_bytes(buf) == len {
                println!("[INFO] 4.1.4");
                break;
            } else {
                println!("[INFO] 4.1.5");
                pos = qsv.seek(SeekFrom::Current(-4))?;
            }
        }
    }

    Ok(())
}

打印日志如下

[STEP] Validate qsv file...
[INFO] QSV format tag: QIYI VIDEO, ver: 2...
[STEP] Parse all tag blocks...
[INFO] 1
[INFO] 2
[INFO] 3
[INFO] 4
[INFO] TRUE size: 165604, offset: 395, meta len: 811428299
[INFO] 4.1
[INFO] 4.1.1, pos: 165999
[INFO] 4.1.2 pos: 165999, buf: 236, len: 1
[INFO] 4.1.2 pos: 165999, buf: 103, len: 2
[INFO] 4.1.2 pos: 165999, buf: 42, len: 3
[INFO] 4.1.2 pos: 165999, buf: 236, len: 4
[INFO] 4.1.2 pos: 165999, buf: 69, len: 5
[INFO] 4.1.2 pos: 165999, buf: 236, len: 6
[INFO] 4.1.2 pos: 165999, buf: 203, len: 7
[INFO] 4.1.2 pos: 165999, buf: 206, len: 8
[INFO] 4.1.2 pos: 165999, buf: 116, len: 9
[INFO] 4.1.2 pos: 165999, buf: 67, len: 10
[INFO] 4.1.2 pos: 165999, buf: 81, len: 11
[INFO] 4.1.2 pos: 165999, buf: 255, len: 12
[INFO] 4.1.2 pos: 165999, buf: 103, len: 13
[INFO] 4.1.2 pos: 165999, buf: 43, len: 14
[INFO] 4.1.2 pos: 165999, buf: 0, len: 15
[INFO] 4.1.2 pos: 165999, buf: 79, len: 16
[INFO] 4.1.2 pos: 165999, buf: 255, len: 17
[INFO] 4.1.2 pos: 165999, buf: 255, len: 18
[INFO] 4.1.2 pos: 165999, buf: 96, len: 19
[INFO] 4.1.2 pos: 165999, buf: 96, len: 20
[INFO] 4.1.2 pos: 165999, buf: 96, len: 21
[INFO] 4.1.2 pos: 165999, buf: 201, len: 22
[INFO] 4.1.2 pos: 165999, buf: 80, len: 23
[INFO] 4.1.2 pos: 165999, buf: 216, len: 24
[INFO] 4.1.2 pos: 165999, buf: 225, len: 25
[INFO] 4.1.2 pos: 165999, buf: 255, len: 26
[INFO] 4.1.2 pos: 165999, buf: 220, len: 27
[INFO] 4.1.2 pos: 165999, buf: 213, len: 28
[INFO] 4.1.2 pos: 165999, buf: 255, len: 29
[INFO] 4.1.2 pos: 165999, buf: 255, len: 30
[INFO] 4.1.2 pos: 165999, buf: 181, len: 31
[INFO] 4.1.2 pos: 165999, buf: 227, len: 32
[INFO] 4.1.2 pos: 165999, buf: 0, len: 33
[INFO] 4.1.2 pos: 165999, buf: 1, len: 34
[INFO] 4.1.2 pos: 165999, buf: 243, len: 35
[INFO] 4.1.2 pos: 165999, buf: 11, len: 36
[INFO] 4.1.2 pos: 165999, buf: 255, len: 37
[INFO] 4.1.2 pos: 165999, buf: 25, len: 38
[INFO] 4.1.2 pos: 165999, buf: 77, len: 39
[INFO] 4.1.2 pos: 165999, buf: 179, len: 40
[INFO] 4.1.2 pos: 165999, buf: 194, len: 41
[INFO] 4.1.2 pos: 165999, buf: 255, len: 42
[INFO] 4.1.2 pos: 165999, buf: 77, len: 43
[INFO] 4.1.2 pos: 165999, buf: 206, len: 44
[INFO] 4.1.2 pos: 165999, buf: 58, len: 45
[INFO] 4.1.2 pos: 165999, buf: 255, len: 46
[INFO] 4.1.2 pos: 165999, buf: 1, len: 47
[INFO] 4.1.2 pos: 165999, buf: 0, len: 48
[INFO] 4.1.2 pos: 165999, buf: 0, len: 49
[INFO] 4.1.2 pos: 165999, buf: 156, len: 50
[INFO] 4.1.2 pos: 165999, buf: 240, len: 51
[INFO] 4.1.2 pos: 165999, buf: 142, len: 52
[INFO] 4.1.2 pos: 165999, buf: 255, len: 53
[INFO] 4.1.2 pos: 165999, buf: 255, len: 54
[INFO] 4.1.2 pos: 165999, buf: 0, len: 55
[INFO] 4.1.2 pos: 165999, buf: 219, len: 56
[INFO] 4.1.2 pos: 165999, buf: 192, len: 57
[INFO] 4.1.2 pos: 165999, buf: 171, len: 58
[INFO] 4.1.2 pos: 165999, buf: 255, len: 59
[INFO] 4.1.2 pos: 165999, buf: 35, len: 60
[INFO] 4.1.2 pos: 165999, buf: 248, len: 61
[INFO] 4.1.2 pos: 165999, buf: 255, len: 62
[INFO] 4.1.2 pos: 165999, buf: 136, len: 63
[INFO] 4.1.2 pos: 165999, buf: 0, len: 64
[INFO] 4.1.2 pos: 165999, buf: 0, len: 65
[INFO] 4.1.2 pos: 165999, buf: 244, len: 66
[INFO] 4.1.2 pos: 165999, buf: 81, len: 67
[INFO] 4.1.2 pos: 165999, buf: 62, len: 68
[INFO] 4.1.2 pos: 165999, buf: 161, len: 69
[INFO] 4.1.2 pos: 165999, buf: 38, len: 70
[INFO] 4.1.2 pos: 165999, buf: 24, len: 71
[INFO] 4.1.2 pos: 165999, buf: 255, len: 72
[INFO] 4.1.2 pos: 165999, buf: 107, len: 73
[INFO] 4.1.2 pos: 165999, buf: 255, len: 74
[INFO] 4.1.2 pos: 165999, buf: 255, len: 75
[INFO] 4.1.2 pos: 165999, buf: 71, len: 76
[INFO] 4.1.2 pos: 165999, buf: 104, len: 77
[INFO] 4.1.2 pos: 165999, buf: 255, len: 78
[INFO] 4.1.2 pos: 165999, buf: 123, len: 79
[INFO] 4.1.2 pos: 165999, buf: 255, len: 80
[INFO] 4.1.2 pos: 165999, buf: 106, len: 81
[INFO] 4.1.2 pos: 165999, buf: 236, len: 82
[INFO] 4.1.2 pos: 165999, buf: 27, len: 83
[INFO] 4.1.2 pos: 165999, buf: 255, len: 84
[INFO] 4.1.2 pos: 165999, buf: 9, len: 85
[INFO] 4.1.3 - pos: 165999, buf: 588185450, len: 85
[INFO] 4.1.5
[INFO] 4.1.2 pos: 166084, buf: 588185450, len: 86
[INFO] 4.1.2 pos: 166084, buf: 588185599, len: 87
[INFO] 4.1.2 pos: 166084, buf: 588185358, len: 88
[INFO] 4.1.2 pos: 166084, buf: 588185379, len: 89
[INFO] 4.1.2 pos: 166084, buf: 588185556, len: 90
[INFO] 4.1.2 pos: 166084, buf: 588185599, len: 91
[INFO] 4.1.2 pos: 166084, buf: 588185369, len: 92
[INFO] 4.1.2 pos: 166084, buf: 588185599, len: 93
[INFO] 4.1.2 pos: 166084, buf: 588185408, len: 94
[INFO] 4.1.2 pos: 166084, buf: 588185599, len: 95
[INFO] 4.1.2 pos: 166084, buf: 588185508, len: 96
[INFO] 4.1.2 pos: 166084, buf: 588185387, len: 97
[INFO] 4.1.2 pos: 166084, buf: 588185463, len: 98
[INFO] 4.1.2 pos: 166084, buf: 588185479, len: 99
[INFO] 4.1.2 pos: 166084, buf: 588185537, len: 100
[INFO] 4.1.2 pos: 166084, buf: 588185495, len: 101
[INFO] 4.1.2 pos: 166084, buf: 588185373, len: 102
[INFO] 4.1.2 pos: 166084, buf: 588185599, len: 103
[INFO] 4.1.2 pos: 166084, buf: 588185537, len: 104
[INFO] 4.1.2 pos: 166084, buf: 588185424, len: 105
[INFO] 4.1.2 pos: 166084, buf: 588185374, len: 106
[INFO] 4.1.2 pos: 166084, buf: 588185599, len: 107

日志前面 1，2，3，4 是 tag_blocks_from_qsv 每一步 inline 函数后打印的。接下来就是一直循环 4.1.2，4.1.3，4.1.5 这三步，一直到 len 12000000 都没有退出，郁闷。然后又去看了 qsv 文件结构，也没明白 u32::from_be_bytes(buf) == len 在找什么。

另外开发机器用的 Windows 10，调试 rust 代码是在 WSL 虚拟出的 Ubuntu Linux 4.4.0-19041-Microsoft x86_64 GNU/Linux。

如果你有空看我的问题，并指点下排查方法，会很感谢。

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