mirror of
https://github.com/codedread/bitjs
synced 2025-10-03 17:49:16 +02:00
67 lines
No EOL
1.9 KiB
TypeScript
67 lines
No EOL
1.9 KiB
TypeScript
/**
|
|
* TODO: Reconcile this with file/sniffer.js findMimeType() which does signature matching.
|
|
* @param {ProbeInfo} info
|
|
* @returns {string}
|
|
*/
|
|
export function getShortMIMEString(info: ProbeInfo): string;
|
|
/**
|
|
* Accepts the ffprobe JSON output and returns an ISO MIME string with parameters (RFC6381), such
|
|
* as 'video/mp4; codecs="avc1.4D4028, mp4a.40.2"'. This string should be suitable to be used on
|
|
* the server as the Content-Type header of a media stream which can subsequently be used on the
|
|
* client as the type value of a SourceBuffer object `mediaSource.addSourceBuffer(contentType)`.
|
|
* NOTE: For now, this method fails hard (throws an error) when it encounters a format/codec it
|
|
* does not recognize. Please file a bug or send a PR.
|
|
* @param {ProbeInfo} info
|
|
* @returns {string}
|
|
*/
|
|
export function getFullMIMEString(info: ProbeInfo): string;
|
|
/**
|
|
* ffprobe -show_streams -print_format json. Only the fields we care about.
|
|
*/
|
|
export type ProbeStream = {
|
|
index: number;
|
|
codec_name: string;
|
|
codec_long_name: string;
|
|
profile: string;
|
|
/**
|
|
* Either 'audio' or 'video'.
|
|
*/
|
|
codec_type: string;
|
|
codec_tag_string: string;
|
|
id: string;
|
|
level: number | null;
|
|
width: number | null;
|
|
height: number | null;
|
|
/**
|
|
* Like "60000/1001"
|
|
*/
|
|
r_frame_rate: string;
|
|
};
|
|
/**
|
|
* Only the fields we care about from the following command:
|
|
* ffprobe -show_format -show_streams -v quiet -print_format json -i file.mp4
|
|
*/
|
|
export type ProbeFormat = {
|
|
filename: string;
|
|
format_name: string;
|
|
/**
|
|
* Number of seconds, as a string like "473.506367".
|
|
*/
|
|
duration: string;
|
|
/**
|
|
* Number of bytes, as a string.
|
|
*/
|
|
size: string;
|
|
/**
|
|
* Bit rate, as a string.
|
|
*/
|
|
bit_rate: string;
|
|
};
|
|
/**
|
|
* ffprobe -show_format -show_streams -print_format json
|
|
*/
|
|
export type ProbeInfo = {
|
|
streams: ProbeStream[];
|
|
format: ProbeFormat;
|
|
};
|
|
//# sourceMappingURL=codecs.d.ts.map
|