yetangitu/Oinktube
1
0
Fork 0
mirror of https://github.com/DanielnetoDotCom/YouPHPTube synced 2025-10-04 10:19:24 +02:00
Code Issues Releases Wiki Activity

https://github.com/WWBN/AVideo/issues/8137

Browse source
This commit is contained in:
Daniel Neto 2023-06-30 08:55:17 -03:00
parent 746e163d01
commit 1c7ea28b46
808 changed files with 316395 additions and 381162 deletions
Download patch file Download diff file Expand all files Collapse all files

139
node_modules/mux.js/cjs/m2ts/metadata-stream.js generated vendored
View file

@ -12,84 +12,7 @@
var Stream = require('../utils/stream'),
StreamTypes = require('./stream-types'),
// return a percent-encoded representation of the specified byte range
// @see http://en.wikipedia.org/wiki/Percent-encoding
percentEncode = function percentEncode(bytes, start, end) {
var i,
result = '';
for (i = start; i < end; i++) {
result += '%' + ('00' + bytes[i].toString(16)).slice(-2);
}
return result;
},
// return the string representation of the specified byte range,
// interpreted as UTf-8.
parseUtf8 = function parseUtf8(bytes, start, end) {
return decodeURIComponent(percentEncode(bytes, start, end));
},
// return the string representation of the specified byte range,
// interpreted as ISO-8859-1.
parseIso88591 = function parseIso88591(bytes, start, end) {
return unescape(percentEncode(bytes, start, end)); // jshint ignore:line
},
parseSyncSafeInteger = function parseSyncSafeInteger(data) {
return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];
},
tagParsers = {
TXXX: function TXXX(tag) {
var i;
if (tag.data[0] !== 3) {
// ignore frames with unrecognized character encodings
return;
}
for (i = 1; i < tag.data.length; i++) {
if (tag.data[i] === 0) {
// parse the text fields
tag.description = parseUtf8(tag.data, 1, i); // do not include the null terminator in the tag value
tag.value = parseUtf8(tag.data, i + 1, tag.data.length).replace(/\0*$/, '');
break;
}
}
tag.data = tag.value;
},
WXXX: function WXXX(tag) {
var i;
if (tag.data[0] !== 3) {
// ignore frames with unrecognized character encodings
return;
}
for (i = 1; i < tag.data.length; i++) {
if (tag.data[i] === 0) {
// parse the description and URL fields
tag.description = parseUtf8(tag.data, 1, i);
tag.url = parseUtf8(tag.data, i + 1, tag.data.length);
break;
}
}
},
PRIV: function PRIV(tag) {
var i;
for (i = 0; i < tag.data.length; i++) {
if (tag.data[i] === 0) {
// parse the description and URL fields
tag.owner = parseIso88591(tag.data, 0, i);
break;
}
}
tag.privateData = tag.data.subarray(i + 1);
tag.data = tag.privateData;
}
},
id3 = require('../tools/parse-id3'),
_MetadataStream;
_MetadataStream = function MetadataStream(options) {
@ -152,7 +75,7 @@ _MetadataStream = function MetadataStream(options) {
// last four bytes of the ID3 header.
// The most significant bit of each byte is dropped and the
// results concatenated to recover the actual value.
tagSize = parseSyncSafeInteger(chunk.data.subarray(6, 10)); // ID3 reports the tag size excluding the header but it's more
tagSize = id3.parseSyncSafeInteger(chunk.data.subarray(6, 10)); // ID3 reports the tag size excluding the header but it's more
// convenient for our comparisons to include it
tagSize += 10;
@ -185,23 +108,25 @@ _MetadataStream = function MetadataStream(options) {
// advance the frame start past the extended header
frameStart += 4; // header size field
frameStart += parseSyncSafeInteger(tag.data.subarray(10, 14)); // clip any padding off the end
frameStart += id3.parseSyncSafeInteger(tag.data.subarray(10, 14)); // clip any padding off the end
tagSize -= parseSyncSafeInteger(tag.data.subarray(16, 20));
tagSize -= id3.parseSyncSafeInteger(tag.data.subarray(16, 20));
} // parse one or more ID3 frames
// http://id3.org/id3v2.3.0#ID3v2_frame_overview
do {
// determine the number of bytes in this frame
frameSize = parseSyncSafeInteger(tag.data.subarray(frameStart + 4, frameStart + 8));
frameSize = id3.parseSyncSafeInteger(tag.data.subarray(frameStart + 4, frameStart + 8));
if (frameSize < 1) {
this.trigger('log', {
level: 'warn',
message: 'Malformed ID3 frame encountered. Skipping metadata parsing.'
});
return;
message: 'Malformed ID3 frame encountered. Skipping remaining metadata parsing.'
}); // If the frame is malformed, don't parse any further frames but allow previous valid parsed frames
// to be sent along.
break;
}
frameHeader = String.fromCharCode(tag.data[frameStart], tag.data[frameStart + 1], tag.data[frameStart + 2], tag.data[frameStart + 3]);
@ -209,29 +134,37 @@ _MetadataStream = function MetadataStream(options) {
id: frameHeader,
data: tag.data.subarray(frameStart + 10, frameStart + frameSize + 10)
};
frame.key = frame.id;
frame.key = frame.id; // parse frame values
if (tagParsers[frame.id]) {
tagParsers[frame.id](frame); // handle the special PRIV frame used to indicate the start
// time for raw AAC data
if (id3.frameParsers[frame.id]) {
// use frame specific parser
id3.frameParsers[frame.id](frame);
} else if (frame.id[0] === 'T') {
// use text frame generic parser
id3.frameParsers['T*'](frame);
} else if (frame.id[0] === 'W') {
// use URL link frame generic parser
id3.frameParsers['W*'](frame);
} // handle the special PRIV frame used to indicate the start
// time for raw AAC data
if (frame.owner === 'com.apple.streaming.transportStreamTimestamp') {
var d = frame.data,
size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;
size *= 4;
size += d[7] & 0x03;
frame.timeStamp = size; // in raw AAC, all subsequent data will be timestamped based
// on the value of this frame
// we couldn't have known the appropriate pts and dts before
// parsing this ID3 tag so set those values now
if (tag.pts === undefined && tag.dts === undefined) {
tag.pts = frame.timeStamp;
tag.dts = frame.timeStamp;
}
if (frame.owner === 'com.apple.streaming.transportStreamTimestamp') {
var d = frame.data,
size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;
size *= 4;
size += d[7] & 0x03;
frame.timeStamp = size; // in raw AAC, all subsequent data will be timestamped based
// on the value of this frame
// we couldn't have known the appropriate pts and dts before
// parsing this ID3 tag so set those values now
this.trigger('timestamp', frame);
if (tag.pts === undefined && tag.dts === undefined) {
tag.pts = frame.timeStamp;
tag.dts = frame.timeStamp;
}
this.trigger('timestamp', frame);
}
tag.frames.push(frame);