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https://github.com/WWBN/AVideo/issues/6345#issuecomment-1067056556

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Daniel 2022-03-14 14:28:38 -03:00
parent 33e7f7384e
commit 2a9630258f
22658 changed files with 3562773 additions and 3562767 deletions
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3356
node_modules/mux.js/lib/m2ts/caption-stream.js generated vendored
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14
node_modules/mux.js/lib/m2ts/index.js generated vendored
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@ -1,7 +1,7 @@
/**
* mux.js
*
* Copyright (c) Brightcove
* Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
*/
module.exports = require('./m2ts');
/**
* mux.js
*
* Copyright (c) Brightcove
* Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
*/
module.exports = require('./m2ts');

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node_modules/mux.js/lib/m2ts/probe.js generated vendored
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@ -1,287 +1,287 @@
/**
* mux.js
*
* Copyright (c) Brightcove
* Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
*
* Utilities to detect basic properties and metadata about TS Segments.
*/
'use strict';
var StreamTypes = require('./stream-types.js');
var parsePid = function(packet) {
var pid = packet[1] & 0x1f;
pid <<= 8;
pid |= packet[2];
return pid;
};
var parsePayloadUnitStartIndicator = function(packet) {
return !!(packet[1] & 0x40);
};
var parseAdaptionField = function(packet) {
var offset = 0;
// if an adaption field is present, its length is specified by the
// fifth byte of the TS packet header. The adaptation field is
// used to add stuffing to PES packets that don't fill a complete
// TS packet, and to specify some forms of timing and control data
// that we do not currently use.
if (((packet[3] & 0x30) >>> 4) > 0x01) {
offset += packet[4] + 1;
}
return offset;
};
var parseType = function(packet, pmtPid) {
var pid = parsePid(packet);
if (pid === 0) {
return 'pat';
} else if (pid === pmtPid) {
return 'pmt';
} else if (pmtPid) {
return 'pes';
}
return null;
};
var parsePat = function(packet) {
var pusi = parsePayloadUnitStartIndicator(packet);
var offset = 4 + parseAdaptionField(packet);
if (pusi) {
offset += packet[offset] + 1;
}
return (packet[offset + 10] & 0x1f) << 8 | packet[offset + 11];
};
var parsePmt = function(packet) {
var programMapTable = {};
var pusi = parsePayloadUnitStartIndicator(packet);
var payloadOffset = 4 + parseAdaptionField(packet);
if (pusi) {
payloadOffset += packet[payloadOffset] + 1;
}
// PMTs can be sent ahead of the time when they should actually
// take effect. We don't believe this should ever be the case
// for HLS but we'll ignore "forward" PMT declarations if we see
// them. Future PMT declarations have the current_next_indicator
// set to zero.
if (!(packet[payloadOffset + 5] & 0x01)) {
return;
}
var sectionLength, tableEnd, programInfoLength;
// the mapping table ends at the end of the current section
sectionLength = (packet[payloadOffset + 1] & 0x0f) << 8 | packet[payloadOffset + 2];
tableEnd = 3 + sectionLength - 4;
// to determine where the table is, we have to figure out how
// long the program info descriptors are
programInfoLength = (packet[payloadOffset + 10] & 0x0f) << 8 | packet[payloadOffset + 11];
// advance the offset to the first entry in the mapping table
var offset = 12 + programInfoLength;
while (offset < tableEnd) {
var i = payloadOffset + offset;
// add an entry that maps the elementary_pid to the stream_type
programMapTable[(packet[i + 1] & 0x1F) << 8 | packet[i + 2]] = packet[i];
// move to the next table entry
// skip past the elementary stream descriptors, if present
offset += ((packet[i + 3] & 0x0F) << 8 | packet[i + 4]) + 5;
}
return programMapTable;
};
var parsePesType = function(packet, programMapTable) {
var pid = parsePid(packet);
var type = programMapTable[pid];
switch (type) {
case StreamTypes.H264_STREAM_TYPE:
return 'video';
case StreamTypes.ADTS_STREAM_TYPE:
return 'audio';
case StreamTypes.METADATA_STREAM_TYPE:
return 'timed-metadata';
default:
return null;
}
};
var parsePesTime = function(packet) {
var pusi = parsePayloadUnitStartIndicator(packet);
if (!pusi) {
return null;
}
var offset = 4 + parseAdaptionField(packet);
if (offset >= packet.byteLength) {
// From the H 222.0 MPEG-TS spec
// "For transport stream packets carrying PES packets, stuffing is needed when there
// is insufficient PES packet data to completely fill the transport stream packet
// payload bytes. Stuffing is accomplished by defining an adaptation field longer than
// the sum of the lengths of the data elements in it, so that the payload bytes
// remaining after the adaptation field exactly accommodates the available PES packet
// data."
//
// If the offset is >= the length of the packet, then the packet contains no data
// and instead is just adaption field stuffing bytes
return null;
}
var pes = null;
var ptsDtsFlags;
// PES packets may be annotated with a PTS value, or a PTS value
// and a DTS value. Determine what combination of values is
// available to work with.
ptsDtsFlags = packet[offset + 7];
// PTS and DTS are normally stored as a 33-bit number. Javascript
// performs all bitwise operations on 32-bit integers but javascript
// supports a much greater range (52-bits) of integer using standard
// mathematical operations.
// We construct a 31-bit value using bitwise operators over the 31
// most significant bits and then multiply by 4 (equal to a left-shift
// of 2) before we add the final 2 least significant bits of the
// timestamp (equal to an OR.)
if (ptsDtsFlags & 0xC0) {
pes = {};
// the PTS and DTS are not written out directly. For information
// on how they are encoded, see
// http://dvd.sourceforge.net/dvdinfo/pes-hdr.html
pes.pts = (packet[offset + 9] & 0x0E) << 27 |
(packet[offset + 10] & 0xFF) << 20 |
(packet[offset + 11] & 0xFE) << 12 |
(packet[offset + 12] & 0xFF) << 5 |
(packet[offset + 13] & 0xFE) >>> 3;
pes.pts *= 4; // Left shift by 2
pes.pts += (packet[offset + 13] & 0x06) >>> 1; // OR by the two LSBs
pes.dts = pes.pts;
if (ptsDtsFlags & 0x40) {
pes.dts = (packet[offset + 14] & 0x0E) << 27 |
(packet[offset + 15] & 0xFF) << 20 |
(packet[offset + 16] & 0xFE) << 12 |
(packet[offset + 17] & 0xFF) << 5 |
(packet[offset + 18] & 0xFE) >>> 3;
pes.dts *= 4; // Left shift by 2
pes.dts += (packet[offset + 18] & 0x06) >>> 1; // OR by the two LSBs
}
}
return pes;
};
var parseNalUnitType = function(type) {
switch (type) {
case 0x05:
return 'slice_layer_without_partitioning_rbsp_idr';
case 0x06:
return 'sei_rbsp';
case 0x07:
return 'seq_parameter_set_rbsp';
case 0x08:
return 'pic_parameter_set_rbsp';
case 0x09:
return 'access_unit_delimiter_rbsp';
default:
return null;
}
};
var videoPacketContainsKeyFrame = function(packet) {
var offset = 4 + parseAdaptionField(packet);
var frameBuffer = packet.subarray(offset);
var frameI = 0;
var frameSyncPoint = 0;
var foundKeyFrame = false;
var nalType;
// advance the sync point to a NAL start, if necessary
for (; frameSyncPoint < frameBuffer.byteLength - 3; frameSyncPoint++) {
if (frameBuffer[frameSyncPoint + 2] === 1) {
// the sync point is properly aligned
frameI = frameSyncPoint + 5;
break;
}
}
while (frameI < frameBuffer.byteLength) {
// look at the current byte to determine if we've hit the end of
// a NAL unit boundary
switch (frameBuffer[frameI]) {
case 0:
// skip past non-sync sequences
if (frameBuffer[frameI - 1] !== 0) {
frameI += 2;
break;
} else if (frameBuffer[frameI - 2] !== 0) {
frameI++;
break;
}
if (frameSyncPoint + 3 !== frameI - 2) {
nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
foundKeyFrame = true;
}
}
// drop trailing zeroes
do {
frameI++;
} while (frameBuffer[frameI] !== 1 && frameI < frameBuffer.length);
frameSyncPoint = frameI - 2;
frameI += 3;
break;
case 1:
// skip past non-sync sequences
if (frameBuffer[frameI - 1] !== 0 ||
frameBuffer[frameI - 2] !== 0) {
frameI += 3;
break;
}
nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
foundKeyFrame = true;
}
frameSyncPoint = frameI - 2;
frameI += 3;
break;
default:
// the current byte isn't a one or zero, so it cannot be part
// of a sync sequence
frameI += 3;
break;
}
}
frameBuffer = frameBuffer.subarray(frameSyncPoint);
frameI -= frameSyncPoint;
frameSyncPoint = 0;
// parse the final nal
if (frameBuffer && frameBuffer.byteLength > 3) {
nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
foundKeyFrame = true;
}
}
return foundKeyFrame;
};
module.exports = {
parseType: parseType,
parsePat: parsePat,
parsePmt: parsePmt,
parsePayloadUnitStartIndicator: parsePayloadUnitStartIndicator,
parsePesType: parsePesType,
parsePesTime: parsePesTime,
videoPacketContainsKeyFrame: videoPacketContainsKeyFrame
};
/**
* mux.js
*
* Copyright (c) Brightcove
* Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
*
* Utilities to detect basic properties and metadata about TS Segments.
*/
'use strict';
var StreamTypes = require('./stream-types.js');
var parsePid = function(packet) {
var pid = packet[1] & 0x1f;
pid <<= 8;
pid |= packet[2];
return pid;
};
var parsePayloadUnitStartIndicator = function(packet) {
return !!(packet[1] & 0x40);
};
var parseAdaptionField = function(packet) {
var offset = 0;
// if an adaption field is present, its length is specified by the
// fifth byte of the TS packet header. The adaptation field is
// used to add stuffing to PES packets that don't fill a complete
// TS packet, and to specify some forms of timing and control data
// that we do not currently use.
if (((packet[3] & 0x30) >>> 4) > 0x01) {
offset += packet[4] + 1;
}
return offset;
};
var parseType = function(packet, pmtPid) {
var pid = parsePid(packet);
if (pid === 0) {
return 'pat';
} else if (pid === pmtPid) {
return 'pmt';
} else if (pmtPid) {
return 'pes';
}
return null;
};
var parsePat = function(packet) {
var pusi = parsePayloadUnitStartIndicator(packet);
var offset = 4 + parseAdaptionField(packet);
if (pusi) {
offset += packet[offset] + 1;
}
return (packet[offset + 10] & 0x1f) << 8 | packet[offset + 11];
};
var parsePmt = function(packet) {
var programMapTable = {};
var pusi = parsePayloadUnitStartIndicator(packet);
var payloadOffset = 4 + parseAdaptionField(packet);
if (pusi) {
payloadOffset += packet[payloadOffset] + 1;
}
// PMTs can be sent ahead of the time when they should actually
// take effect. We don't believe this should ever be the case
// for HLS but we'll ignore "forward" PMT declarations if we see
// them. Future PMT declarations have the current_next_indicator
// set to zero.
if (!(packet[payloadOffset + 5] & 0x01)) {
return;
}
var sectionLength, tableEnd, programInfoLength;
// the mapping table ends at the end of the current section
sectionLength = (packet[payloadOffset + 1] & 0x0f) << 8 | packet[payloadOffset + 2];
tableEnd = 3 + sectionLength - 4;
// to determine where the table is, we have to figure out how
// long the program info descriptors are
programInfoLength = (packet[payloadOffset + 10] & 0x0f) << 8 | packet[payloadOffset + 11];
// advance the offset to the first entry in the mapping table
var offset = 12 + programInfoLength;
while (offset < tableEnd) {
var i = payloadOffset + offset;
// add an entry that maps the elementary_pid to the stream_type
programMapTable[(packet[i + 1] & 0x1F) << 8 | packet[i + 2]] = packet[i];
// move to the next table entry
// skip past the elementary stream descriptors, if present
offset += ((packet[i + 3] & 0x0F) << 8 | packet[i + 4]) + 5;
}
return programMapTable;
};
var parsePesType = function(packet, programMapTable) {
var pid = parsePid(packet);
var type = programMapTable[pid];
switch (type) {
case StreamTypes.H264_STREAM_TYPE:
return 'video';
case StreamTypes.ADTS_STREAM_TYPE:
return 'audio';
case StreamTypes.METADATA_STREAM_TYPE:
return 'timed-metadata';
default:
return null;
}
};
var parsePesTime = function(packet) {
var pusi = parsePayloadUnitStartIndicator(packet);
if (!pusi) {
return null;
}
var offset = 4 + parseAdaptionField(packet);
if (offset >= packet.byteLength) {
// From the H 222.0 MPEG-TS spec
// "For transport stream packets carrying PES packets, stuffing is needed when there
// is insufficient PES packet data to completely fill the transport stream packet
// payload bytes. Stuffing is accomplished by defining an adaptation field longer than
// the sum of the lengths of the data elements in it, so that the payload bytes
// remaining after the adaptation field exactly accommodates the available PES packet
// data."
//
// If the offset is >= the length of the packet, then the packet contains no data
// and instead is just adaption field stuffing bytes
return null;
}
var pes = null;
var ptsDtsFlags;
// PES packets may be annotated with a PTS value, or a PTS value
// and a DTS value. Determine what combination of values is
// available to work with.
ptsDtsFlags = packet[offset + 7];
// PTS and DTS are normally stored as a 33-bit number. Javascript
// performs all bitwise operations on 32-bit integers but javascript
// supports a much greater range (52-bits) of integer using standard
// mathematical operations.
// We construct a 31-bit value using bitwise operators over the 31
// most significant bits and then multiply by 4 (equal to a left-shift
// of 2) before we add the final 2 least significant bits of the
// timestamp (equal to an OR.)
if (ptsDtsFlags & 0xC0) {
pes = {};
// the PTS and DTS are not written out directly. For information
// on how they are encoded, see
// http://dvd.sourceforge.net/dvdinfo/pes-hdr.html
pes.pts = (packet[offset + 9] & 0x0E) << 27 |
(packet[offset + 10] & 0xFF) << 20 |
(packet[offset + 11] & 0xFE) << 12 |
(packet[offset + 12] & 0xFF) << 5 |
(packet[offset + 13] & 0xFE) >>> 3;
pes.pts *= 4; // Left shift by 2
pes.pts += (packet[offset + 13] & 0x06) >>> 1; // OR by the two LSBs
pes.dts = pes.pts;
if (ptsDtsFlags & 0x40) {
pes.dts = (packet[offset + 14] & 0x0E) << 27 |
(packet[offset + 15] & 0xFF) << 20 |
(packet[offset + 16] & 0xFE) << 12 |
(packet[offset + 17] & 0xFF) << 5 |
(packet[offset + 18] & 0xFE) >>> 3;
pes.dts *= 4; // Left shift by 2
pes.dts += (packet[offset + 18] & 0x06) >>> 1; // OR by the two LSBs
}
}
return pes;
};
var parseNalUnitType = function(type) {
switch (type) {
case 0x05:
return 'slice_layer_without_partitioning_rbsp_idr';
case 0x06:
return 'sei_rbsp';
case 0x07:
return 'seq_parameter_set_rbsp';
case 0x08:
return 'pic_parameter_set_rbsp';
case 0x09:
return 'access_unit_delimiter_rbsp';
default:
return null;
}
};
var videoPacketContainsKeyFrame = function(packet) {
var offset = 4 + parseAdaptionField(packet);
var frameBuffer = packet.subarray(offset);
var frameI = 0;
var frameSyncPoint = 0;
var foundKeyFrame = false;
var nalType;
// advance the sync point to a NAL start, if necessary
for (; frameSyncPoint < frameBuffer.byteLength - 3; frameSyncPoint++) {
if (frameBuffer[frameSyncPoint + 2] === 1) {
// the sync point is properly aligned
frameI = frameSyncPoint + 5;
break;
}
}
while (frameI < frameBuffer.byteLength) {
// look at the current byte to determine if we've hit the end of
// a NAL unit boundary
switch (frameBuffer[frameI]) {
case 0:
// skip past non-sync sequences
if (frameBuffer[frameI - 1] !== 0) {
frameI += 2;
break;
} else if (frameBuffer[frameI - 2] !== 0) {
frameI++;
break;
}
if (frameSyncPoint + 3 !== frameI - 2) {
nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
foundKeyFrame = true;
}
}
// drop trailing zeroes
do {
frameI++;
} while (frameBuffer[frameI] !== 1 && frameI < frameBuffer.length);
frameSyncPoint = frameI - 2;
frameI += 3;
break;
case 1:
// skip past non-sync sequences
if (frameBuffer[frameI - 1] !== 0 ||
frameBuffer[frameI - 2] !== 0) {
frameI += 3;
break;
}
nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
foundKeyFrame = true;
}
frameSyncPoint = frameI - 2;
frameI += 3;
break;
default:
// the current byte isn't a one or zero, so it cannot be part
// of a sync sequence
frameI += 3;
break;
}
}
frameBuffer = frameBuffer.subarray(frameSyncPoint);
frameI -= frameSyncPoint;
frameSyncPoint = 0;
// parse the final nal
if (frameBuffer && frameBuffer.byteLength > 3) {
nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);
if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {
foundKeyFrame = true;
}
}
return foundKeyFrame;
};
module.exports = {
parseType: parseType,
parsePat: parsePat,
parsePmt: parsePmt,
parsePayloadUnitStartIndicator: parsePayloadUnitStartIndicator,
parsePesType: parsePesType,
parsePesTime: parsePesTime,
videoPacketContainsKeyFrame: videoPacketContainsKeyFrame
};

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node_modules/mux.js/lib/m2ts/stream-types.js generated vendored
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@ -1,13 +1,13 @@
/**
* mux.js
*
* Copyright (c) Brightcove
* Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
*/
'use strict';
module.exports = {
H264_STREAM_TYPE: 0x1B,
ADTS_STREAM_TYPE: 0x0F,
METADATA_STREAM_TYPE: 0x15
};
/**
* mux.js
*
* Copyright (c) Brightcove
* Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
*/
'use strict';
module.exports = {
H264_STREAM_TYPE: 0x1B,
ADTS_STREAM_TYPE: 0x0F,
METADATA_STREAM_TYPE: 0x15
};

202
node_modules/mux.js/lib/m2ts/timestamp-rollover-stream.js generated vendored
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@ -1,101 +1,101 @@
/**
* mux.js
*
* Copyright (c) Brightcove
* Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
*
* Accepts program elementary stream (PES) data events and corrects
* decode and presentation time stamps to account for a rollover
* of the 33 bit value.
*/
'use strict';
var Stream = require('../utils/stream');
var MAX_TS = 8589934592;
var RO_THRESH = 4294967296;
var TYPE_SHARED = 'shared';
var handleRollover = function(value, reference) {
var direction = 1;
if (value > reference) {
// If the current timestamp value is greater than our reference timestamp and we detect a
// timestamp rollover, this means the roll over is happening in the opposite direction.
// Example scenario: Enter a long stream/video just after a rollover occurred. The reference
// point will be set to a small number, e.g. 1. The user then seeks backwards over the
// rollover point. In loading this segment, the timestamp values will be very large,
// e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust
// the time stamp to be `value - 2^33`.
direction = -1;
}
// Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will
// cause an incorrect adjustment.
while (Math.abs(reference - value) > RO_THRESH) {
value += (direction * MAX_TS);
}
return value;
};
var TimestampRolloverStream = function(type) {
var lastDTS, referenceDTS;
TimestampRolloverStream.prototype.init.call(this);
// The "shared" type is used in cases where a stream will contain muxed
// video and audio. We could use `undefined` here, but having a string
// makes debugging a little clearer.
this.type_ = type || TYPE_SHARED;
this.push = function(data) {
// Any "shared" rollover streams will accept _all_ data. Otherwise,
// streams will only accept data that matches their type.
if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {
return;
}
if (referenceDTS === undefined) {
referenceDTS = data.dts;
}
data.dts = handleRollover(data.dts, referenceDTS);
data.pts = handleRollover(data.pts, referenceDTS);
lastDTS = data.dts;
this.trigger('data', data);
};
this.flush = function() {
referenceDTS = lastDTS;
this.trigger('done');
};
this.endTimeline = function() {
this.flush();
this.trigger('endedtimeline');
};
this.discontinuity = function() {
referenceDTS = void 0;
lastDTS = void 0;
};
this.reset = function() {
this.discontinuity();
this.trigger('reset');
};
};
TimestampRolloverStream.prototype = new Stream();
module.exports = {
TimestampRolloverStream: TimestampRolloverStream,
handleRollover: handleRollover
};
/**
* mux.js
*
* Copyright (c) Brightcove
* Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE
*
* Accepts program elementary stream (PES) data events and corrects
* decode and presentation time stamps to account for a rollover
* of the 33 bit value.
*/
'use strict';
var Stream = require('../utils/stream');
var MAX_TS = 8589934592;
var RO_THRESH = 4294967296;
var TYPE_SHARED = 'shared';
var handleRollover = function(value, reference) {
var direction = 1;
if (value > reference) {
// If the current timestamp value is greater than our reference timestamp and we detect a
// timestamp rollover, this means the roll over is happening in the opposite direction.
// Example scenario: Enter a long stream/video just after a rollover occurred. The reference
// point will be set to a small number, e.g. 1. The user then seeks backwards over the
// rollover point. In loading this segment, the timestamp values will be very large,
// e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust
// the time stamp to be `value - 2^33`.
direction = -1;
}
// Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will
// cause an incorrect adjustment.
while (Math.abs(reference - value) > RO_THRESH) {
value += (direction * MAX_TS);
}
return value;
};
var TimestampRolloverStream = function(type) {
var lastDTS, referenceDTS;
TimestampRolloverStream.prototype.init.call(this);
// The "shared" type is used in cases where a stream will contain muxed
// video and audio. We could use `undefined` here, but having a string
// makes debugging a little clearer.
this.type_ = type || TYPE_SHARED;
this.push = function(data) {
// Any "shared" rollover streams will accept _all_ data. Otherwise,
// streams will only accept data that matches their type.
if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {
return;
}
if (referenceDTS === undefined) {
referenceDTS = data.dts;
}
data.dts = handleRollover(data.dts, referenceDTS);
data.pts = handleRollover(data.pts, referenceDTS);
lastDTS = data.dts;
this.trigger('data', data);
};
this.flush = function() {
referenceDTS = lastDTS;
this.trigger('done');
};
this.endTimeline = function() {
this.flush();
this.trigger('endedtimeline');
};
this.discontinuity = function() {
referenceDTS = void 0;
lastDTS = void 0;
};
this.reset = function() {
this.discontinuity();
this.trigger('reset');
};
};
TimestampRolloverStream.prototype = new Stream();
module.exports = {
TimestampRolloverStream: TimestampRolloverStream,
handleRollover: handleRollover
};