mse_fmp4/
lib.rs

1//! This is a library for generating fragmented MP4 that playable via Media Source Extensions.
2//!
3//! # References
4//!
5//! - [ISO BMFF Byte Stream Format (Fragmented MP4)][fmp4]
6//! - [Media Source Extensions][MSE]
7//!
8//! [fmp4]: https://w3c.github.io/media-source/isobmff-byte-stream-format.html
9//! [MSE]: http://www.w3.org/TR/media-source/
10#![warn(missing_docs)]
11extern crate byteorder;
12extern crate mpeg2ts;
13#[macro_use]
14extern crate trackable;
15
16macro_rules! track_io {
17    ($expr:expr) => {
18        $expr.map_err(|e: std::io::Error| {
19            use trackable::error::ErrorKindExt;
20            track!(crate::Error::from(crate::ErrorKind::Other.cause(e)))
21        })
22    };
23}
24macro_rules! write_u8 {
25    ($w:expr, $n:expr) => {{
26        use byteorder::WriteBytesExt;
27        track_io!($w.write_u8($n))?;
28    }};
29}
30macro_rules! write_u16 {
31    ($w:expr, $n:expr) => {{
32        use byteorder::{BigEndian, WriteBytesExt};
33        track_io!($w.write_u16::<BigEndian>($n))?;
34    }};
35}
36macro_rules! write_i16 {
37    ($w:expr, $n:expr) => {{
38        use byteorder::{BigEndian, WriteBytesExt};
39        track_io!($w.write_i16::<BigEndian>($n))?;
40    }};
41}
42macro_rules! write_u24 {
43    ($w:expr, $n:expr) => {{
44        use byteorder::{BigEndian, WriteBytesExt};
45        track_io!($w.write_uint::<BigEndian>($n as u64, 3))?;
46    }};
47}
48macro_rules! write_u32 {
49    ($w:expr, $n:expr) => {{
50        use byteorder::{BigEndian, WriteBytesExt};
51        track_io!($w.write_u32::<BigEndian>($n))?;
52    }};
53}
54macro_rules! write_i32 {
55    ($w:expr, $n:expr) => {{
56        use byteorder::{BigEndian, WriteBytesExt};
57        track_io!($w.write_i32::<BigEndian>($n))?;
58    }};
59}
60macro_rules! write_u64 {
61    ($w:expr, $n:expr) => {{
62        use byteorder::{BigEndian, WriteBytesExt};
63        track_io!($w.write_u64::<BigEndian>($n))?;
64    }};
65}
66macro_rules! write_all {
67    ($w:expr, $n:expr) => {
68        track_io!($w.write_all($n))?;
69    };
70}
71macro_rules! write_zeroes {
72    ($w:expr, $n:expr) => {
73        track_io!($w.write_all(&[0; $n][..]))?;
74    };
75}
76macro_rules! write_box {
77    ($w:expr, $b:expr) => {
78        track!($b.write_box(&mut $w))?;
79    };
80}
81macro_rules! write_boxes {
82    ($w:expr, $bs:expr) => {
83        for b in $bs {
84            track!(b.write_box(&mut $w))?;
85        }
86    };
87}
88macro_rules! box_size {
89    ($b:expr) => {
90        track!($b.box_size())?
91    };
92}
93macro_rules! optional_box_size {
94    ($b:expr) => {
95        if let Some(ref b) = $b.as_ref() {
96            track!(b.box_size())?
97        } else {
98            0
99        }
100    };
101}
102macro_rules! boxes_size {
103    ($b:expr) => {{
104        let mut size = 0;
105        for b in $b.iter() {
106            size += box_size!(b);
107        }
108        size
109    }};
110}
111
112pub use error::{Error, ErrorKind};
113
114pub mod aac;
115pub mod avc;
116pub mod fmp4;
117pub mod io;
118pub mod mpeg2_ts;
119
120mod error;
121
122/// This crate specific `Result` type.
123pub type Result<T, E = Error> = std::result::Result<T, E>;
mse_fmp4/lib.rs

mse_fmp4/
lib.rs
