1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
extern crate mp4parse;
extern crate mp4parse_capi;
#[macro_use]
extern crate log;
extern crate env_logger;
use mp4parse_capi::*;
use std::env;
use std::fs::File;
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 mut buf = unsafe { std::slice::from_raw_parts_mut(buf, size) };
match input.read(&mut buf) {
Ok(n) => n as isize,
Err(_) => -1,
}
}
fn dump_file(filename: &str) {
let mut file = File::open(filename).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 rv = mp4parse_new(&io, &mut parser);
match rv {
Mp4parseStatus::Ok => (),
_ => {
println!("-- fail to parse: {:?}, '-v' for more info", rv);
return;
}
}
let mut frag_info = Mp4parseFragmentInfo::default();
match mp4parse_get_fragment_info(parser, &mut frag_info) {
Mp4parseStatus::Ok => {
println!("-- mp4parse_fragment_info {:?}", frag_info);
}
rv => {
println!("-- mp4parse_fragment_info failed with {:?}", rv);
return;
}
}
let mut counts: u32 = 0;
match mp4parse_get_track_count(parser, &mut counts) {
Mp4parseStatus::Ok => (),
_ => {
println!("-- mp4parse_get_track_count failed");
return;
}
}
for i in 0..counts {
let mut track_info = Mp4parseTrackInfo {
track_type: Mp4parseTrackType::Audio,
..Default::default()
};
match mp4parse_get_track_info(parser, i, &mut track_info) {
Mp4parseStatus::Ok => {
println!("-- mp4parse_get_track_info {:?}", track_info);
}
_ => {
println!("-- mp4parse_get_track_info failed, track id: {}", i);
return;
}
}
match track_info.track_type {
Mp4parseTrackType::Audio => {
let mut audio_info = Mp4parseTrackAudioInfo::default();
match mp4parse_get_track_audio_info(parser, i, &mut audio_info) {
Mp4parseStatus::Ok => {
println!("-- mp4parse_get_track_audio_info {:?}", audio_info);
for i in 0..audio_info.sample_info_count as isize {
let sample_info = audio_info.sample_info.offset(i);
println!(
" -- mp4parse_get_track_audio_info sample_info[{:?}] {:?}",
i, *sample_info
);
}
}
_ => {
println!("-- mp4parse_get_track_audio_info failed, track id: {}", i);
return;
}
}
}
Mp4parseTrackType::Video => {
let mut video_info = Mp4parseTrackVideoInfo::default();
match mp4parse_get_track_video_info(parser, i, &mut video_info) {
Mp4parseStatus::Ok => {
println!("-- mp4parse_get_track_video_info {:?}", video_info);
for i in 0..video_info.sample_info_count as isize {
let sample_info = video_info.sample_info.offset(i);
println!(
" -- mp4parse_get_track_video_info sample_info[{:?}] {:?}",
i, *sample_info
);
}
}
_ => {
println!("-- mp4parse_get_track_video_info failed, track id: {}", i);
return;
}
}
}
Mp4parseTrackType::Metadata => {
println!("TODO metadata track");
}
}
let mut indices = Mp4parseByteData::default();
match mp4parse_get_indice_table(parser, track_info.track_id, &mut indices) {
Mp4parseStatus::Ok => {
println!(
"-- mp4parse_get_indice_table track_id {} indices {:?}",
track_info.track_id, indices
);
}
_ => {
println!(
"-- mp4parse_get_indice_table failed, track_info.track_id: {}",
track_info.track_id
);
return;
}
}
}
mp4parse_free(parser);
}
}
fn main() {
let args: Vec<String> = env::args().collect();
if args.len() < 2 {
return;
}
// Initialize logging, setting the log level if requested.
let (skip, verbose) = if args[1] == "-v" {
(2, true)
} else {
(1, false)
};
let env = env_logger::Env::default();
let mut logger = env_logger::Builder::from_env(env);
if verbose {
logger.filter(None, log::LevelFilter::Debug);
}
logger.init();
for filename in args.iter().skip(skip) {
info!("-- dump of '{}' --", filename);
dump_file(filename);
info!("-- end of '{}' --", filename);
}
}
|
