code stringlengths 24 2.07M | docstring stringlengths 25 85.3k | func_name stringlengths 1 92 | language stringclasses 1
value | repo stringlengths 5 64 | path stringlengths 4 172 | url stringlengths 44 218 | license stringclasses 7
values |
|---|---|---|---|---|---|---|---|
function factory(name, bigendian, unsigned) {
var posH = bigendian ? 0 : 4;
var posL = bigendian ? 4 : 0;
var pos0 = bigendian ? 0 : 3;
var pos1 = bigendian ? 1 : 2;
var pos2 = bigendian ? 2 : 1;
var pos3 = bigendian ? 3 : 0;
var fromPositive = bigendian ? fromPositiveBE : fromPositiveLE;
... | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | factory | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function Int64(buffer, offset, value, raddix) {
if (!(this instanceof Int64)) return new Int64(buffer, offset, value, raddix);
return init(this, buffer, offset, value, raddix);
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | Int64 | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function isInt64(b) {
return !!(b && b[_isInt64]);
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | isInt64 | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function init(that, buffer, offset, value, raddix) {
if (UINT8ARRAY && ARRAYBUFFER) {
if (buffer instanceof ARRAYBUFFER) buffer = new UINT8ARRAY(buffer);
if (value instanceof ARRAYBUFFER) value = new UINT8ARRAY(value);
}
// Int64BE() style
if (!buffer && !offset && !value && !st... | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | init | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function fromString(buffer, offset, str, raddix) {
var pos = 0;
var len = str.length;
var high = 0;
var low = 0;
if (str[0] === "-") pos++;
var sign = pos;
while (pos < len) {
var chr = parseInt(str[pos++], raddix);
if (!(chr >= 0)) break; // NaN
low = l... | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | fromString | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function toNumber() {
var buffer = this.buffer;
var offset = this.offset;
var high = readInt32(buffer, offset + posH);
var low = readInt32(buffer, offset + posL);
if (!unsigned) high |= 0; // a trick to get signed
return high ? (high * BIT32 + low) : low;
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | toNumber | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function toString(radix) {
var buffer = this.buffer;
var offset = this.offset;
var high = readInt32(buffer, offset + posH);
var low = readInt32(buffer, offset + posL);
var str = "";
var sign = !unsigned && (high & 0x80000000);
if (sign) {
high = ~high;
low = BIT... | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | toString | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function writeInt32(buffer, offset, value) {
buffer[offset + pos3] = value & 255;
value = value >> 8;
buffer[offset + pos2] = value & 255;
value = value >> 8;
buffer[offset + pos1] = value & 255;
value = value >> 8;
buffer[offset + pos0] = value & 255;
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | writeInt32 | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function readInt32(buffer, offset) {
return (buffer[offset + pos0] * BIT24) +
(buffer[offset + pos1] << 16) +
(buffer[offset + pos2] << 8) +
buffer[offset + pos3];
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | readInt32 | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function toArray(raw) {
var buffer = this.buffer;
var offset = this.offset;
storage = null; // Array
if (raw !== false && offset === 0 && buffer.length === 8 && isArray(buffer)) return buffer;
return newArray(buffer, offset);
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | toArray | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function toBuffer(raw) {
var buffer = this.buffer;
var offset = this.offset;
storage = BUFFER;
if (raw !== false && offset === 0 && buffer.length === 8 && Buffer.isBuffer(buffer)) return buffer;
var dest = new BUFFER(8);
fromArray(dest, 0, buffer, offset);
return dest;
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | toBuffer | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function toArrayBuffer(raw) {
var buffer = this.buffer;
var offset = this.offset;
var arrbuf = buffer.buffer;
storage = UINT8ARRAY;
if (raw !== false && offset === 0 && (arrbuf instanceof ARRAYBUFFER) && arrbuf.byteLength === 8) return arrbuf;
var dest = new UINT8ARRAY(8);
fromArray(dest, 0,... | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | toArrayBuffer | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function isValidBuffer(buffer, offset) {
var len = buffer && buffer.length;
offset |= 0;
return len && (offset + 8 <= len) && ("string" !== typeof buffer[offset]);
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | isValidBuffer | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function fromArray(destbuf, destoff, srcbuf, srcoff) {
destoff |= 0;
srcoff |= 0;
for (var i = 0; i < 8; i++) {
destbuf[destoff++] = srcbuf[srcoff++] & 255;
}
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | fromArray | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function newArray(buffer, offset) {
return Array.prototype.slice.call(buffer, offset, offset + 8);
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | newArray | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function fromPositiveBE(buffer, offset, value) {
var pos = offset + 8;
while (pos > offset) {
buffer[--pos] = value & 255;
value /= 256;
}
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | fromPositiveBE | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function fromNegativeBE(buffer, offset, value) {
var pos = offset + 8;
value++;
while (pos > offset) {
buffer[--pos] = ((-value) & 255) ^ 255;
value /= 256;
}
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | fromNegativeBE | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function fromPositiveLE(buffer, offset, value) {
var end = offset + 8;
while (offset < end) {
buffer[offset++] = value & 255;
value /= 256;
}
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | fromPositiveLE | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function fromNegativeLE(buffer, offset, value) {
var end = offset + 8;
value++;
while (offset < end) {
buffer[offset++] = ((-value) & 255) ^ 255;
value /= 256;
}
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | fromNegativeLE | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function _isArray(val) {
return !!val && "[object Array]" == Object.prototype.toString.call(val);
} | Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. | _isArray | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/EBML.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/EBML.js | MIT |
function updateTimeStamp() {
self.timestamps.push(new Date().getTime());
if (typeof config.onTimeStamp === 'function') {
config.onTimeStamp(self.timestamps[self.timestamps.length - 1], self.timestamps);
}
} | @property {Array} timestamps - Array of time stamps
@memberof MediaStreamRecorder
@example
console.log(recorder.timestamps); | updateTimeStamp | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/MediaStreamRecorder.js | MIT |
function getMimeType(secondObject) {
if (mediaRecorder && mediaRecorder.mimeType) {
return mediaRecorder.mimeType;
}
return secondObject.mimeType || 'video/webm';
} | @property {Array} timestamps - Array of time stamps
@memberof MediaStreamRecorder
@example
console.log(recorder.timestamps); | getMimeType | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/MediaStreamRecorder.js | MIT |
function clearRecordedDataCB() {
arrayOfBlobs = [];
mediaRecorder = null;
self.timestamps = [];
} | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | clearRecordedDataCB | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/MediaStreamRecorder.js | MIT |
function isMediaStreamActive() {
if ('active' in mediaStream) {
if (!mediaStream.active) {
return false;
}
} else if ('ended' in mediaStream) { // old hack
if (mediaStream.ended) {
return false;
}
}
return tr... | Access to native MediaRecorder API
@method
@memberof MediaStreamRecorder
@instance
@example
var internal = recorder.getInternalRecorder();
internal.ondataavailable = function() {}; // override
internal.stream, internal.onpause, internal.onstop, etc.
@returns {Object} Returns internal recording object. | isMediaStreamActive | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/MediaStreamRecorder.js | MIT |
function getAllVideoTracks() {
var tracks = [];
arrayOfMediaStreams.forEach(function(stream) {
getTracks(stream, 'video').forEach(function(track) {
tracks.push(track);
});
});
return tracks;
} | This method records all MediaStreams.
@method
@memberof MultiStreamRecorder
@example
recorder.record(); | getAllVideoTracks | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/MultiStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/MultiStreamRecorder.js | MIT |
function isMediaStreamActive() {
if (config.checkForInactiveTracks === false) {
// always return "true"
return true;
}
if ('active' in mediaStream) {
if (!mediaStream.active) {
return false;
}
} else if ('ended' in mediaStr... | Set sample rates such as 8K or 16K. Reference: http://stackoverflow.com/a/28977136/552182
@property {number} desiredSampRate - Desired Bits per sample * 1000
@memberof StereoAudioRecorder
@instance
@example
var recorder = StereoAudioRecorder(mediaStream, {
desiredSampRate: 16 * 1000 // bits-per-sample * 1000
}); | isMediaStreamActive | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function mergeLeftRightBuffers(config, callback) {
function mergeAudioBuffers(config, cb) {
var numberOfAudioChannels = config.numberOfAudioChannels;
// todo: "slice(0)" --- is it causes loop? Should be removed?
var leftBuffers = config.leftBuffers.slice(0);
var ... | This method records MediaStream.
@method
@memberof StereoAudioRecorder
@example
recorder.record(); | mergeLeftRightBuffers | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function mergeAudioBuffers(config, cb) {
var numberOfAudioChannels = config.numberOfAudioChannels;
// todo: "slice(0)" --- is it causes loop? Should be removed?
var leftBuffers = config.leftBuffers.slice(0);
var rightBuffers = config.rightBuffers.slice(0);
va... | This method records MediaStream.
@method
@memberof StereoAudioRecorder
@example
recorder.record(); | mergeAudioBuffers | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function interpolateArray(data, newSampleRate, oldSampleRate) {
var fitCount = Math.round(data.length * (newSampleRate / oldSampleRate));
var newData = [];
var springFactor = Number((data.length - 1) / (fitCount - 1));
newData[0] = data[0];
... | This method records MediaStream.
@method
@memberof StereoAudioRecorder
@example
recorder.record(); | interpolateArray | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function linearInterpolate(before, after, atPoint) {
return before + (after - before) * atPoint;
} | This method records MediaStream.
@method
@memberof StereoAudioRecorder
@example
recorder.record(); | linearInterpolate | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function mergeBuffers(channelBuffer, rLength) {
var result = new Float64Array(rLength);
var offset = 0;
var lng = channelBuffer.length;
for (var i = 0; i < lng; i++) {
var buffer = channelBuffer[i];
result.set(buffe... | This method records MediaStream.
@method
@memberof StereoAudioRecorder
@example
recorder.record(); | mergeBuffers | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function interleave(leftChannel, rightChannel) {
var length = leftChannel.length + rightChannel.length;
var result = new Float64Array(length);
var inputIndex = 0;
for (var index = 0; index < length;) {
result[index++] = leftChannel[i... | This method records MediaStream.
@method
@memberof StereoAudioRecorder
@example
recorder.record(); | interleave | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function writeUTFBytes(view, offset, string) {
var lng = string.length;
for (var i = 0; i < lng; i++) {
view.setUint8(offset + i, string.charCodeAt(i));
}
} | This method records MediaStream.
@method
@memberof StereoAudioRecorder
@example
recorder.record(); | writeUTFBytes | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function processInWebWorker(_function) {
var workerURL = URL.createObjectURL(new Blob([_function.toString(),
';this.onmessage = function (eee) {' + _function.name + '(eee.data);}'
], {
type: 'application/javascript'
}));
var worker = new Worker(workerURL);
... | This method records MediaStream.
@method
@memberof StereoAudioRecorder
@example
recorder.record(); | processInWebWorker | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function resetVariables() {
leftchannel = [];
rightchannel = [];
recordingLength = 0;
isAudioProcessStarted = false;
recording = false;
isPaused = false;
context = null;
self.leftchannel = leftchannel;
self.rightchannel = rightchannel;
sel... | This method resets currently recorded data.
@method
@memberof StereoAudioRecorder
@example
recorder.clearRecordedData(); | resetVariables | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function clearRecordedDataCB() {
if (jsAudioNode) {
jsAudioNode.onaudioprocess = null;
jsAudioNode.disconnect();
jsAudioNode = null;
}
if (audioInput) {
audioInput.disconnect();
audioInput = null;
}
resetVariables();
... | This method resets currently recorded data.
@method
@memberof StereoAudioRecorder
@example
recorder.clearRecordedData(); | clearRecordedDataCB | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function onAudioProcessDataAvailable(e) {
if (isPaused) {
return;
}
if (isMediaStreamActive() === false) {
if (!config.disableLogs) {
console.log('MediaStream seems stopped.');
}
jsAudioNode.disconnect();
recording = fa... | This method resets currently recorded data.
@method
@memberof StereoAudioRecorder
@example
recorder.clearRecordedData(); | onAudioProcessDataAvailable | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
function looper() {
if (!recording || typeof config.ondataavailable !== 'function' || typeof config.timeSlice === 'undefined') {
return;
}
if (intervalsBasedBuffers.left.length) {
mergeLeftRightBuffers({
desiredSampRate: desiredSampRate,
s... | This method is called on "onaudioprocess" event's first invocation.
@method {function} onAudioProcessStarted
@memberof StereoAudioRecorder
@example
recorder.onAudioProcessStarted: function() { }; | looper | javascript | muaz-khan/WebRTC-Experiment | Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Chrome-Extensions/screen-recording/RecordRTC/StereoAudioRecorder.js | MIT |
pack = function(serialized) {
var cursor = 0,
i = 0,
j = 0,
endianness = BIG_ENDIAN;
var ab = new ArrayBuffer(serialized[0].byte_length + serialized[0].header_size);
var view = new DataView(ab);
for (i = 0; i < serialized.... | packs seriarized elements array into a packed ArrayBuffer
@param {Array} serialized Serialized array of elements.
@return {DataView} view of packed binary | pack | javascript | muaz-khan/WebRTC-Experiment | Conversation.js/AndroidRTC/scripts/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Conversation.js/AndroidRTC/scripts/FileBufferReader.js | MIT |
unpack = function(view, cursor) {
var i = 0,
endianness = BIG_ENDIAN,
start = cursor;
var type, length, byte_length, value, elem;
// Retrieve "type"
type = view.getUint8(cursor, endianness);
cursor += TYPE_LENGTH;
... | Unpack binary data into an object with value and cursor
@param {DataView} view [description]
@param {Number} cursor [description]
@return {Object} | unpack | javascript | muaz-khan/WebRTC-Experiment | Conversation.js/AndroidRTC/scripts/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Conversation.js/AndroidRTC/scripts/FileBufferReader.js | MIT |
deferredSerialize = function(array, callback) {
var length = array.length,
results = [],
count = 0,
byte_length = 0;
for (var i = 0; i < array.length; i++) {
(function(index) {
serialize(array[index], function(re... | deferred function to process multiple serialization in order
@param {array} array [description]
@param {Function} callback [description]
@return {void} no return value | deferredSerialize | javascript | muaz-khan/WebRTC-Experiment | Conversation.js/AndroidRTC/scripts/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Conversation.js/AndroidRTC/scripts/FileBufferReader.js | MIT |
serialize = function(obj, callback) {
var subarray = [],
unit = 1,
header_size = TYPE_LENGTH + BYTES_LENGTH,
type, byte_length = 0,
length = 0,
value = obj;
type = find_type(obj);
unit = Length[type] ==... | Serializes object and return byte_length
@param {mixed} obj JavaScript object you want to serialize
@return {Array} Serialized array object | serialize | javascript | muaz-khan/WebRTC-Experiment | Conversation.js/AndroidRTC/scripts/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Conversation.js/AndroidRTC/scripts/FileBufferReader.js | MIT |
deserialize = function(buffer, callback) {
var view = buffer instanceof DataView ? buffer : new DataView(buffer);
var result = unpack(view, 0);
return result.value;
} | Deserialize binary and return JavaScript object
@param ArrayBuffer buffer ArrayBuffer you want to deserialize
@return mixed Retrieved JavaScript object | deserialize | javascript | muaz-khan/WebRTC-Experiment | Conversation.js/AndroidRTC/scripts/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/Conversation.js/AndroidRTC/scripts/FileBufferReader.js | MIT |
pack = function(serialized) {
var cursor = 0,
i = 0,
j = 0,
endianness = BIG_ENDIAN;
var ab = new ArrayBuffer(serialized[0].byte_length + serialized[0].header_size);
var view = new DataView(ab);
for (i = 0; i < serialized.length; i++) {
v... | packs seriarized elements array into a packed ArrayBuffer
@param {Array} serialized Serialized array of elements.
@return {DataView} view of packed binary | pack | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/FileBufferReader.js | MIT |
unpack = function(view, cursor) {
var i = 0,
endianness = BIG_ENDIAN,
start = cursor;
var type, length, byte_length, value, elem;
// Retrieve "type"
type = view.getUint8(cursor, endianness);
cursor += TYPE_LENGTH;
if (debug) {
console... | Unpack binary data into an object with value and cursor
@param {DataView} view [description]
@param {Number} cursor [description]
@return {Object} | unpack | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/FileBufferReader.js | MIT |
deferredSerialize = function(array, callback) {
var length = array.length,
results = [],
count = 0,
byte_length = 0;
for (var i = 0; i < array.length; i++) {
(function(index) {
serialize(array[index], function(result) {
... | deferred function to process multiple serialization in order
@param {array} array [description]
@param {Function} callback [description]
@return {void} no return value | deferredSerialize | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/FileBufferReader.js | MIT |
serialize = function(obj, callback) {
var subarray = [],
unit = 1,
header_size = TYPE_LENGTH + BYTES_LENGTH,
type, byte_length = 0,
length = 0,
value = obj;
type = find_type(obj);
unit = Length[type] === undefined || Length[type] === ... | Serializes object and return byte_length
@param {mixed} obj JavaScript object you want to serialize
@return {Array} Serialized array object | serialize | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/FileBufferReader.js | MIT |
deserialize = function(buffer, callback) {
var view = buffer instanceof DataView ? buffer : new DataView(buffer);
var result = unpack(view, 0);
return result.value;
} | Deserialize binary and return JavaScript object
@param ArrayBuffer buffer ArrayBuffer you want to deserialize
@return mixed Retrieved JavaScript object | deserialize | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/FileBufferReader.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/FileBufferReader.js | MIT |
function extractVersion(uastring, expr, pos) {
var match = uastring.match(expr);
return match && match.length >= pos && parseInt(match[pos], 10);
} | Extract browser version out of the provided user agent string.
@param {!string} uastring userAgent string.
@param {!string} expr Regular expression used as match criteria.
@param {!number} pos position in the version string to be returned.
@return {!number} browser version. | extractVersion | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/demo/adapter-latest.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/demo/adapter-latest.js | MIT |
function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
if (!window.RTCPeerConnection) {
return;
}
var proto = window.RTCPeerConnection.prototype;
var nativeAddEventListener = proto.addEventListener;
proto.addEventListener = function(nativeEventName, cb) {
if (nativeEventName !== eventNam... | Extract browser version out of the provided user agent string.
@param {!string} uastring userAgent string.
@param {!string} expr Regular expression used as match criteria.
@param {!number} pos position in the version string to be returned.
@return {!number} browser version. | wrapPeerConnectionEvent | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/demo/adapter-latest.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/demo/adapter-latest.js | MIT |
wrappedCallback = function(e) {
var modifiedEvent = wrapper(e);
if (modifiedEvent) {
cb(modifiedEvent);
}
} | Extract browser version out of the provided user agent string.
@param {!string} uastring userAgent string.
@param {!string} expr Regular expression used as match criteria.
@param {!number} pos position in the version string to be returned.
@return {!number} browser version. | wrappedCallback | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/demo/adapter-latest.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/demo/adapter-latest.js | MIT |
pack = function(serialized) {
var cursor = 0,
i = 0,
j = 0,
endianness = BIG_ENDIAN;
var ab = new ArrayBuffer(serialized[0].byte_length + serialized[0].header_size);
var view = new DataView(ab);
for (i = 0; i < serialized.length; i++) {
var start = cursor,
h... | packs seriarized elements array into a packed ArrayBuffer
@param {Array} serialized Serialized array of elements.
@return {DataView} view of packed binary | pack | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/dev/binarize.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/dev/binarize.js | MIT |
unpack = function(view, cursor) {
var i = 0,
endianness = BIG_ENDIAN,
start = cursor;
var type, length, byte_length, value, elem;
// Retrieve "type"
type = view.getUint8(cursor, endianness);
cursor += TYPE_LENGTH;
if (debug) {
console.info('Unpacking', type, TypeNames[t... | Unpack binary data into an object with value and cursor
@param {DataView} view [description]
@param {Number} cursor [description]
@return {Object} | unpack | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/dev/binarize.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/dev/binarize.js | MIT |
deferredSerialize = function(array, callback) {
var length = array.length,
results = [],
count = 0,
byte_length = 0;
for (var i = 0; i < array.length; i++) {
(function(index) {
serialize(array[index], function(result) {
// store results in order
... | deferred function to process multiple serialization in order
@param {array} array [description]
@param {Function} callback [description]
@return {void} no return value | deferredSerialize | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/dev/binarize.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/dev/binarize.js | MIT |
serialize = function(obj, callback) {
var subarray = [],
unit = 1,
header_size = TYPE_LENGTH + BYTES_LENGTH,
type, byte_length = 0,
length = 0,
value = obj;
type = find_type(obj);
unit = Length[type] === undefined || Length[type] === null ? 0 :
window[Length... | Serializes object and return byte_length
@param {mixed} obj JavaScript object you want to serialize
@return {Array} Serialized array object | serialize | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/dev/binarize.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/dev/binarize.js | MIT |
deserialize = function(buffer, callback) {
var view = buffer instanceof DataView ? buffer : new DataView(buffer);
var result = unpack(view, 0);
return result.value;
} | Deserialize binary and return JavaScript object
@param ArrayBuffer buffer ArrayBuffer you want to deserialize
@return mixed Retrieved JavaScript object | deserialize | javascript | muaz-khan/WebRTC-Experiment | FileBufferReader/dev/binarize.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/FileBufferReader/dev/binarize.js | MIT |
function invokeSaveAsDialog(file, fileName) {
if (!file) {
throw 'Blob object is required.';
}
if (!file.type) {
try {
file.type = 'video/webm';
} catch (e) {}
}
var fileExtension = (file.type || 'video/webm').split('/')[1];
if (fileName && fileName.indexOf... | @param {Blob} file - File or Blob object. This parameter is required.
@param {string} fileName - Optional file name e.g. "Recorded-Video.webm"
@example
invokeSaveAsDialog(blob or file, [optional] fileName);
@see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code} | invokeSaveAsDialog | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function bytesToSize(bytes) {
var k = 1000;
var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
if (bytes === 0) {
return '0 Bytes';
}
var i = parseInt(Math.floor(Math.log(bytes) / Math.log(k)), 10);
return (bytes / Math.pow(k, i)).toPrecision(3) + ' ' + sizes[i];
} | @param {Blob} file - File or Blob object. This parameter is required.
@param {string} fileName - Optional file name e.g. "Recorded-Video.webm"
@example
invokeSaveAsDialog(blob or file, [optional] fileName);
@see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code} | bytesToSize | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function isMediaRecorderCompatible() {
var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
var isChrome = !!window.chrome && !isOpera;
var isFirefox = typeof window.InstallTrigger !== 'undefined';
if (isFirefox) {
return true;
}
if (!isChrome) {
return fa... | @param {Blob} file - File or Blob object. This parameter is required.
@param {string} fileName - Optional file name e.g. "Recorded-Video.webm"
@example
invokeSaveAsDialog(blob or file, [optional] fileName);
@see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code} | isMediaRecorderCompatible | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function MediaRecorderWrapper(mediaStream) {
var self = this;
/**
* This method records MediaStream.
* @method
* @memberof MediaStreamRecorder
* @example
* recorder.start(5000);
*/
this.start = function(timeSlice, __disableLogs) {
this.timeSlice = timeSlice || 5000;
... | Implementation of https://dvcs.w3.org/hg/dap/raw-file/default/media-stream-capture/MediaRecorder.html
The MediaRecorder accepts a mediaStream as input source passed from UA. When recorder starts,
a MediaEncoder will be created and accept the mediaStream as input source.
Encoder will get the raw data by track data chang... | MediaRecorderWrapper | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function isMediaStreamActive() {
if ('active' in mediaStream) {
if (!mediaStream.active) {
return false;
}
} else if ('ended' in mediaStream) { // old hack
if (mediaStream.ended) {
return false;
}
}
return tr... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | isMediaStreamActive | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function StereoAudioRecorder(mediaStream) {
// void start(optional long timeSlice)
// timestamp to fire "ondataavailable"
this.start = function(timeSlice) {
timeSlice = timeSlice || 1000;
mediaRecorder = new StereoAudioRecorderHelper(mediaStream, this);
mediaRecorder.record();
... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | StereoAudioRecorder | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function StereoAudioRecorderHelper(mediaStream, root) {
// variables
var deviceSampleRate = 44100; // range: 22050 to 96000
if (!ObjectStore.AudioContextConstructor) {
ObjectStore.AudioContextConstructor = new ObjectStore.AudioContext();
}
// check device sample rate
deviceSampleR... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | StereoAudioRecorderHelper | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function interleave(leftChannel, rightChannel) {
var length = leftChannel.length + rightChannel.length;
var result = new Float32Array(length);
var inputIndex = 0;
for (var index = 0; index < length;) {
result[index++] = leftChannel[inputIndex];
result[index++] =... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | interleave | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function mergeBuffers(channelBuffer, recordingLength) {
var result = new Float32Array(recordingLength);
var offset = 0;
var lng = channelBuffer.length;
for (var i = 0; i < lng; i++) {
var buffer = channelBuffer[i];
result.set(buffer, offset);
offset +=... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | mergeBuffers | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function writeUTFBytes(view, offset, string) {
var lng = string.length;
for (var i = 0; i < lng; i++) {
view.setUint8(offset + i, string.charCodeAt(i));
}
} | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | writeUTFBytes | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function convertoFloat32ToInt16(buffer) {
var l = buffer.length;
var buf = new Int16Array(l)
while (l--) {
buf[l] = buffer[l] * 0xFFFF; //convert to 16 bit
}
return buf.buffer
} | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | convertoFloat32ToInt16 | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function WhammyRecorder(mediaStream) {
// void start(optional long timeSlice)
// timestamp to fire "ondataavailable"
this.start = function(timeSlice) {
timeSlice = timeSlice || 1000;
mediaRecorder = new WhammyRecorderHelper(mediaStream, this);
for (var prop in this) {
i... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | WhammyRecorder | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function WhammyRecorderHelper(mediaStream, root) {
this.record = function(timeSlice) {
if (!this.width) {
this.width = 320;
}
if (!this.height) {
this.height = 240;
}
if (this.video && this.video instanceof HTMLVideoElement) {
if (!this.wi... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | WhammyRecorderHelper | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function drawFrames() {
if (isPaused) {
lastTime = new Date().getTime();
setTimeout(drawFrames, 500);
return;
}
if (isStopDrawing) {
return;
}
if (requestDataInvoked) {
return setTimeout(drawFrames, 100);
}
... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | drawFrames | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function isBlankFrame(frame, _pixTolerance, _frameTolerance) {
var localCanvas = document.createElement('canvas');
localCanvas.width = canvas.width;
localCanvas.height = canvas.height;
var context2d = localCanvas.getContext('2d');
var sampleColor = {
r: 0,
... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | isBlankFrame | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function dropBlackFrames(_frames, _framesToCheck, _pixTolerance, _frameTolerance) {
var localCanvas = document.createElement('canvas');
localCanvas.width = canvas.width;
localCanvas.height = canvas.height;
var context2d = localCanvas.getContext('2d');
var resultFrames = [];
... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | dropBlackFrames | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function GifRecorder(mediaStream) {
if (typeof GIFEncoder === 'undefined') {
throw 'Please link: https://cdn.webrtc-experiment.com/gif-recorder.js';
}
// void start(optional long timeSlice)
// timestamp to fire "ondataavailable"
this.start = function(timeSlice) {
timeSlice = timeSli... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | GifRecorder | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function drawVideoFrame(time) {
if (isPaused) {
setTimeout(drawVideoFrame, 500, time);
return;
}
lastAnimationFrame = requestAnimationFrame(drawVideoFrame);
if (typeof lastFrameTime === undefined) {
lastFrameTime = time;
... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | drawVideoFrame | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function doneRecording() {
endTime = Date.now();
var gifBlob = new Blob([new Uint8Array(gifEncoder.stream().bin)], {
type: 'image/gif'
});
self.ondataavailable(gifBlob);
// todo: find a way to clear old recorded blobs
gifEncoder.stream().bin = [];
} | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | doneRecording | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function WhammyVideo(duration, quality) {
this.frames = [];
if (!duration) {
duration = 1;
}
this.duration = 1000 / duration;
this.quality = quality || 0.8;
} | Whammy is a standalone class used by {@link RecordRTC} to bring video recording in Chrome. It is written by {@link https://github.com/antimatter15|antimatter15}
@summary A real time javascript webm encoder based on a canvas hack.
@typedef Whammy
@class
@example
var recorder = new Whammy().Video(15);
recorder.add(contex... | WhammyVideo | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function processInWebWorker(_function) {
var blob = URL.createObjectURL(new Blob([_function.toString(),
'this.onmessage = function (e) {' + _function.name + '(e.data);}'
], {
type: 'application/javascript'
}));
var worker = new Worker(blob);
URL.revokeOb... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | processInWebWorker | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function whammyInWebWorker(frames) {
function ArrayToWebM(frames) {
var info = checkFrames(frames);
if (!info) {
return [];
}
var clusterMaxDuration = 30000;
var EBML = [{
'id': 0x1a45dfa3, // EBML
'dat... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | whammyInWebWorker | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function ArrayToWebM(frames) {
var info = checkFrames(frames);
if (!info) {
return [];
}
var clusterMaxDuration = 30000;
var EBML = [{
'id': 0x1a45dfa3, // EBML
'data': [{
'data': 1,
... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | ArrayToWebM | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function getClusterData(clusterTimecode, clusterCounter, clusterFrames) {
return [{
'data': clusterTimecode,
'id': 0xe7 // Timecode
}].concat(clusterFrames.map(function(webp) {
var block = makeSimpleBlock({
discardable: 0,
... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | getClusterData | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function checkFrames(frames) {
if (!frames[0]) {
postMessage({
error: 'Something went wrong. Maybe WebP format is not supported in the current browser.'
});
return;
}
var width = frames[0].width,
hei... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | checkFrames | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function numToBuffer(num) {
var parts = [];
while (num > 0) {
parts.push(num & 0xff);
num = num >> 8;
}
return new Uint8Array(parts.reverse());
} | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | numToBuffer | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function strToBuffer(str) {
return new Uint8Array(str.split('').map(function(e) {
return e.charCodeAt(0);
}));
} | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | strToBuffer | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function bitsToBuffer(bits) {
var data = [];
var pad = (bits.length % 8) ? (new Array(1 + 8 - (bits.length % 8))).join('0') : '';
bits = pad + bits;
for (var i = 0; i < bits.length; i += 8) {
data.push(parseInt(bits.substr(i, 8), 2));
}
... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | bitsToBuffer | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function generateEBML(json) {
var ebml = [];
for (var i = 0; i < json.length; i++) {
var data = json[i].data;
if (typeof data === 'object') {
data = generateEBML(data);
}
if (typeof data === 'number') {
... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | generateEBML | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function toBinStrOld(bits) {
var data = '';
var pad = (bits.length % 8) ? (new Array(1 + 8 - (bits.length % 8))).join('0') : '';
bits = pad + bits;
for (var i = 0; i < bits.length; i += 8) {
data += String.fromCharCode(parseInt(bits.substr(i, 8), 2));
... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | toBinStrOld | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function makeSimpleBlock(data) {
var flags = 0;
if (data.keyframe) {
flags |= 128;
}
if (data.invisible) {
flags |= 8;
}
if (data.lacing) {
flags |= (data.lacing << 1);
}
i... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | makeSimpleBlock | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function parseWebP(riff) {
var VP8 = riff.RIFF[0].WEBP[0];
var frameStart = VP8.indexOf('\x9d\x01\x2a'); // A VP8 keyframe starts with the 0x9d012a header
for (var i = 0, c = []; i < 4; i++) {
c[i] = VP8.charCodeAt(frameStart + 3 + i);
}
var ... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | parseWebP | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function getStrLength(string, offset) {
return parseInt(string.substr(offset + 4, 4).split('').map(function(i) {
var unpadded = i.charCodeAt(0).toString(2);
return (new Array(8 - unpadded.length + 1)).join('0') + unpadded;
}).join(''), 2);
} | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | getStrLength | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function parseRIFF(string) {
var offset = 0;
var chunks = {};
while (offset < string.length) {
var id = string.substr(offset, 4);
var len = getStrLength(string, offset);
var data = string.substr(offset + 4 + 4, len);
of... | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | parseRIFF | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function doubleToString(num) {
return [].slice.call(
new Uint8Array((new Float64Array([num])).buffer), 0).map(function(e) {
return String.fromCharCode(e);
}).reverse().join('');
} | Pass Canvas or Context or image/webp(string) to {@link Whammy} encoder.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
recorder.add(canvas || context || 'image/webp');
@param {string} frame - Canvas || Context || image/webp
@param {number} duration - Stick a duration (in milliseconds) | doubleToString | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function readAsArrayBuffer() {
if (!blobs[index]) {
return concatenateBuffers();
}
var reader = new FileReader();
reader.onload = function(event) {
buffers.push(event.target.result);
index++;
readAsArrayBuffe... | A more abstract-ish API.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
@param {?number} speed - 0.8
@param {?number} quality - 100 | readAsArrayBuffer | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function concatenateBuffers() {
var byteLength = 0;
buffers.forEach(function(buffer) {
byteLength += buffer.byteLength;
});
var tmp = new Uint16Array(byteLength);
var lastOffset = 0;
buffers.forEach(function(buffer) {
... | A more abstract-ish API.
@method
@memberof Whammy
@example
recorder = new Whammy().Video(0.8, 100);
@param {?number} speed - 0.8
@param {?number} quality - 100 | concatenateBuffers | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/MediaStreamRecorder.js | MIT |
function MediaRecorderWrapper(mediaStream) {
var self = this;
/**
* This method records MediaStream.
* @method
* @memberof MediaStreamRecorder
* @example
* recorder.start(5000);
*/
this.start = function(timeSlice, __disableLogs) {
this.timeSlice = timeSlice || 5000;
... | Implementation of https://dvcs.w3.org/hg/dap/raw-file/default/media-stream-capture/MediaRecorder.html
The MediaRecorder accepts a mediaStream as input source passed from UA. When recorder starts,
a MediaEncoder will be created and accept the mediaStream as input source.
Encoder will get the raw data by track data chang... | MediaRecorderWrapper | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/AudioStreamRecorder/MediaRecorderWrapper.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/AudioStreamRecorder/MediaRecorderWrapper.js | MIT |
function isMediaStreamActive() {
if ('active' in mediaStream) {
if (!mediaStream.active) {
return false;
}
} else if ('ended' in mediaStream) { // old hack
if (mediaStream.ended) {
return false;
}
}
return tr... | This method resets currently recorded data.
@method
@memberof MediaStreamRecorder
@example
recorder.clearRecordedData(); | isMediaStreamActive | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/AudioStreamRecorder/MediaRecorderWrapper.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/AudioStreamRecorder/MediaRecorderWrapper.js | MIT |
function makeCallable(flashObj, methodName) {
flashObj[methodName] =
(function(methodName) {
return function() {
this.CallFunction(
'<invoke name="' + methodName + '" returntype="javascript">'
+ __flash__argumentsToXML(arguments, 0)
+ '</inv... | Exposes the given methodName on the given flashObj to make it callable, without
using an eval() to speed things up. Note that only strings therefore can be passed
_back_ from Flash, though complex types can be passed from JavaScript to Flash. | makeCallable | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/AudioStreamRecorder/lib/recorder.js/recorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/AudioStreamRecorder/lib/recorder.js/recorder.js | MIT |
function invokeSaveAsDialog(file, fileName) {
if (!file) {
throw 'Blob object is required.';
}
if (!file.type) {
try {
file.type = 'video/webm';
} catch (e) {}
}
var fileExtension = (file.type || 'video/webm').split('/')[1];
if (fileName && fileName.indexOf... | @param {Blob} file - File or Blob object. This parameter is required.
@param {string} fileName - Optional file name e.g. "Recorded-Video.webm"
@example
invokeSaveAsDialog(blob or file, [optional] fileName);
@see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code} | invokeSaveAsDialog | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/common/Cross-Browser-Declarations.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/common/Cross-Browser-Declarations.js | MIT |
function bytesToSize(bytes) {
var k = 1000;
var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
if (bytes === 0) {
return '0 Bytes';
}
var i = parseInt(Math.floor(Math.log(bytes) / Math.log(k)), 10);
return (bytes / Math.pow(k, i)).toPrecision(3) + ' ' + sizes[i];
} | @param {Blob} file - File or Blob object. This parameter is required.
@param {string} fileName - Optional file name e.g. "Recorded-Video.webm"
@example
invokeSaveAsDialog(blob or file, [optional] fileName);
@see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code} | bytesToSize | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/common/Cross-Browser-Declarations.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/common/Cross-Browser-Declarations.js | MIT |
function isMediaRecorderCompatible() {
var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
var isChrome = !!window.chrome && !isOpera;
var isFirefox = typeof window.InstallTrigger !== 'undefined';
if (isFirefox) {
return true;
}
if (!isChrome) {
return fa... | @param {Blob} file - File or Blob object. This parameter is required.
@param {string} fileName - Optional file name e.g. "Recorded-Video.webm"
@example
invokeSaveAsDialog(blob or file, [optional] fileName);
@see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code} | isMediaRecorderCompatible | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/common/Cross-Browser-Declarations.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/common/Cross-Browser-Declarations.js | MIT |
function invokeSaveAsDialog(file, fileName) {
if (!file) {
throw 'Blob object is required.';
}
if (!file.type) {
try {
file.type = 'video/webm';
} catch (e) {}
}
var fileExtension = (file.type || 'video/webm').split('/')[1];
if (fileName && fileName.indexOf... | @param {Blob} file - File or Blob object. This parameter is required.
@param {string} fileName - Optional file name e.g. "Recorded-Video.webm"
@example
invokeSaveAsDialog(blob or file, [optional] fileName);
@see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code} | invokeSaveAsDialog | javascript | muaz-khan/WebRTC-Experiment | MediaStreamRecorder/common/MediaStreamRecorder.js | https://github.com/muaz-khan/WebRTC-Experiment/blob/master/MediaStreamRecorder/common/MediaStreamRecorder.js | MIT |
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