inspector.js - npm Package Compare versions

Comparing version 0.0.2 to 0.0.3

package.json

 {
   "name": "inspector.js",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "description": "Javascript Library that implements MpegTS and MP4 demuxers.",
@@ -33,3 +33,2 @@ "main": "index.ts",
     "extract-text-webpack-plugin": "^2.1.2",
-    "hls.js": "^0.7.11",
     "html-webpack-externals-plugin": "^3.4.0",
@@ -47,5 +46,5 @@ "html-webpack-plugin": "^2.29.0",
     "webpack-dashboard": "^0.3.0",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "2.7.1"
   },
   "dependencies": {}
 }

src/demuxer/mp4/mp4-track.ts

@@ -8,3 +8,2 @@ import Track from '../track';
 export default class Mp4Track extends Track {
-    public frames: Frame[];
     private sidx: Sidx;
@@ -16,18 +15,18 @@ private trun: Trun;
         super(id, type, mimeType);
-        this.frames = [];
         this.lastPts = 0;
     }
 
-     public getFrames(): Frame[] {
-         return this.frames;
-     }
+    public getFrames(): Frame[] {
+        return this.frames;
+    }
 
-     public setSidxAtom(atom: Atom): void {
-         this.sidx = atom as Sidx;
-         this.lastPts = 1000000 * this.sidx.earliestPresentationTime / this.sidx.timescale;
-     }
+    public setSidxAtom(atom: Atom): void {
+        this.sidx = atom as Sidx;
+        this.lastPts = 1000000 * this.sidx.earliestPresentationTime / this.sidx.timescale;
+    }
 
-     public setTrunAtom(atom: Atom): void {
-         this.trun = atom as Trun;
-         for ( const sample of this.trun.samples) {
+    public setTrunAtom(atom: Atom): void {
+        this.trun = atom as Trun;
+        this.duration = 0;
+        for (const sample of this.trun.samples) {
             if (sample.flags) {
@@ -38,5 +37,6 @@ this.frames.push(new Frame(sample.flags.isSyncFrame ? Frame.IDR_FRAME : Frame.P_FRAME, this.lastPts));
                 this.lastPts += sample.duration;
+                this.duration += sample.duration;
             }
-         }
-     }
+        }
+    }
 }

src/demuxer/track.ts

@@ -18,16 +18,21 @@ import Frame from './frame';
 
-    constructor(public id: number, private type: string, private mimeType: string) {
+    public frames: Frame[];
+    public duration: number;
+
+    constructor(public id: number, public type: string, public mimeType: string) {
+        this.frames = [];
     }
 
-    public getType(): string {
-        return this.type;
+    public getFrames(): Frame[] {
+        return [];
     }
 
-    public getMimeType(): string {
-        return this.mimeType;
+    public getDuration(): number {
+        return this.duration;
     }
 
-    public getFrames(): Frame[] {
-        return [];
+    public update(): void {
+        this.frames = this.getFrames();
+        this.duration = this.getDuration();
     }
 }

src/demuxer/ts/mpegts-demuxer.ts

@@ -5,2 +5,3 @@ import BitReader from '../../utils/bit-reader';
 import Track from '../track';
+import ITrackInfo from '../track-info';
 import IDemuxer from '../demuxer';
@@ -35,3 +36,3 @@
 
-    public append(data: Uint8Array): void {
+    public append(data: Uint8Array): ITrackInfo[] {
         if (!this.data || this.data.byteLength === 0 || this.dataOffset >= this.data.byteLength) {
@@ -64,4 +65,23 @@ this.data = data;
         }
+        return this.getTracksInfo();
     }
 
+    public getTracksInfo(): ITrackInfo[] {
+        const trackInfos: ITrackInfo[] = [];
+        for (var trackId in this.tracks) {
+            if (this.tracks.hasOwnProperty(trackId)) {
+                const track: Track = this.tracks[trackId];
+                track.update();
+                trackInfos.push({
+                    id: track.id,
+                    mimeType: track.mimeType,
+                    type: track.type,
+                    frames: track.frames,
+                    duration: track.duration,
+                });
+            }
+        }
+        return trackInfos;
+    }
+
     public end(): void {
@@ -152,3 +172,3 @@ for (let id in this.tracks) {
         if (adaptationField > 1) {
-            length = packetParser.readByte();
+            const length: number = packetParser.readByte();
             if (length > 0) {
@@ -202,3 +222,23 @@ packetParser.skipBytes(length);
                 const pes: PESReader = new PESReader(elementaryPid, streamType);
-                this.tracks[elementaryPid] = new TSTrack(elementaryPid, '', '', pes);
+                let type: string;
+                let mimeType: string;
+                if (streamType === PESReader.TS_STREAM_TYPE_AAC) {
+                    type = Track.TYPE_AUDIO;
+                    mimeType = Track.MIME_TYPE_AAC;
+                } else if (streamType === PESReader.TS_STREAM_TYPE_H264) {
+                    type = Track.TYPE_VIDEO;
+                    mimeType = Track.MIME_TYPE_AVC;
+                } else if (streamType === PESReader.TS_STREAM_TYPE_ID3) {
+                    type = Track.TYPE_TEXT;
+                    mimeType = Track.MIME_TYPE_ID3;
+                } else if (streamType === PESReader.TS_STREAM_TYPE_MPA || streamType === PESReader.TS_STREAM_TYPE_MPA_LSF) {
+                    type = Track.TYPE_AUDIO;
+                    mimeType = Track.MIME_TYPE_MPEG;
+                } else if (streamType === PESReader.TS_STREAM_TYPE_METADATA) {
+                    // do nothing
+                } else {
+                    type = Track.TYPE_UNKNOWN;
+                    mimeType = Track.MIME_TYPE_UNKNOWN;
+                }
+                this.tracks[elementaryPid] = new TSTrack(elementaryPid, type, mimeType, pes);
             }
@@ -205,0 +245,0 @@ }

src/demuxer/ts/ts-track.ts

@@ -10,20 +10,2 @@ import Track from '../track';
 
-    public getType(): string {
-        const mimeType: string = this.getMimeType();
-        if (mimeType) {
-            const pos: number = mimeType.indexOf('/');
-            if (pos > 0) {
-                return mimeType.substring(0, pos);
-            }
-        }
-        return '';
-    }
-
-    public getMimeType(): string {
-        if (this.pes && this.pes.payloadReader) {
-            return this.pes.payloadReader.getMimeType();
-        }
-        return super.getMimeType();
-    }
-
     public getDuration(): number {
@@ -30,0 +12,0 @@ if (this.pes && this.pes.payloadReader) {

src/utils/bit-reader.ts

@@ -103,3 +103,3 @@ export default class BitReader {
         const workingBytes: Uint8Array = new Uint8Array(4);
-        const availableBytes: number = Math.min(4, this.workingBytesAvailable);
+        const availableBytes: number = Math.min(4, this.remainingBytes());
 
@@ -106,0 +106,0 @@ if (availableBytes === 0) {

webpack.config.js

@@ -38,3 +38,4 @@ const path = require("path");
     // source when the user debugs the application
-    devtool: 'source-map',
+    // devtool: 'source-map',
+    devtool: 'eval', // https://github.com/webpack/webpack/issues/1487#issuecomment-209299242
     plugins: [
@@ -77,7 +78,2 @@ // Apply minification only on the second bundle by
                 },
-                {
-                    module: 'hls.js',
-                    entry: 'dist/hls.min.js',
-                    global: 'Hls'
-                },
             ],
@@ -84,0 +80,0 @@ })

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Major refactor

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Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

420770

increased by269.13%

Dev dependency count

26

decreased by-3.7%

Number of package files

68

increased by3.03%

Lines of code

12043

increased by338.25%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes