Crate vsd_mp4

This crate contains a mp4 parser ported from shaka-player project. Also, some optional features are added for parsing subtitles and PSSH boxes.

Optional Features

The following are a list of [Cargo features][https://doc.rust-lang.org/stable/cargo/reference/features.html#the-features-section] that can be enabled or disabled:

• pssh: Enables support for parsing PSSH boxes.
• text-ttml: Enables support for extracting ttml subtitles.
• text-vtt: Enables support for extracting vtt subtitles.

Modules

• psshpssh
  Mp4 PSSH box parser.
• texttext-ttml or text-vtt
  Mp4 parsers related to some subtitles text processing.

Structs

• Error
  The Errors that may occur when parsing data.
• Mp4Parser
  Mp4 file parser.
• ParsedBox
  Parsed mp4 box.
• Reader
  Reader for parsing mp4 files.

Enums

• BoxType
  An enum used to track the type of box so that the correct values can be read from the header.

Functions

• alldata
  Create a callback that tells the Mp4 parser to treat the body of a box as a binary blob and to parse the body’s contents using the provided callback.
• children
  A callback that tells the Mp4 parser to treat the body of a box as a series of boxes. The number of boxes is limited by the size of the parent box.
• sample_description
  A callback that tells the Mp4 parser to treat the body of a box as a sample description. A sample description box has a fixed number of children. The number of children is represented by a 4 byte unsigned integer. Each child is a box.
• type_from_string
  Convert an ascii string name to the integer type for a box. The name must be four characters long.
• type_to_string
  Convert an integer type from a box into an ascii string name. Useful for debugging.
• visual_sample_entry
  A callback that tells the Mp4 parser to treat the body of a box as a visual sample entry. A visual sample entry has some fixed-sized fields describing the video codec parameters, followed by an arbitrary number of appended children. Each child is a box.

Type Aliases

• CallbackType
  Callback type for parsing an mp4 file.
• HandlerResult
  Result type returned when parsing an mp4 file.
• Result
  A Result alias where the Err case is vsd_mp4::Error.