mux.js - npm Package Compare versions

Comparing version 5.7.0 to 5.8.0

lib/mp4/audio-frame-utils.js

@@ -90,2 +90,4 @@ /**
     Math.floor(clock.videoTsToAudioTs(audioFillDuration, track.samplerate));
+
+  return audioFillDuration;
 };
@@ -92,0 +94,0 @@

lib/mp4/transmuxer.js

@@ -52,3 +52,3 @@ /**
 
-var generateVideoSegmentTimingInfo = function(
+var generateSegmentTimingInfo = function(
   baseMediaDecodeTime,
@@ -136,3 +136,5 @@ startDts,
       boxes,
-      frameDuration;
+      frameDuration,
+      segmentDuration,
+      videoClockCyclesOfSilencePrefixed;
 
@@ -150,3 +152,4 @@ // return early if no audio data has been observed
 
-    audioFrameUtils.prefixWithSilence(
+    // amount of audio filled but the value is in video clock rather than audio clock
+    videoClockCyclesOfSilencePrefixed = audioFrameUtils.prefixWithSilence(
       track, frames, audioAppendStartTs, videoBaseMediaDecodeTime);
@@ -181,5 +184,23 @@
     if (frames.length) {
+      segmentDuration = frames.length * frameDuration;
+
+      this.trigger(
+        'segmentTimingInfo',
+        generateSegmentTimingInfo(
+          // The audio track's baseMediaDecodeTime is in audio clock cycles, but the
+          // frame info is in video clock cycles. Convert to match expectation of
+          // listeners (that all timestamps will be based on video clock cycles).
+          clock.audioTsToVideoTs(track.baseMediaDecodeTime, track.samplerate),
+          // frame times are already in video clock, as is segment duration
+          frames[0].dts,
+          frames[0].pts,
+          frames[0].dts + segmentDuration,
+          frames[0].pts + segmentDuration,
+          videoClockCyclesOfSilencePrefixed || 0
+        )
+      );
+
       this.trigger('timingInfo', {
         start: frames[0].pts,
-        end: frames[0].pts + (frames.length * frameDuration)
+        end: frames[0].pts + segmentDuration
       });
@@ -399,3 +420,3 @@ }
       'segmentTimingInfo',
-      generateVideoSegmentTimingInfo(
+      generateSegmentTimingInfo(
         track.baseMediaDecodeTime,
@@ -1059,2 +1080,4 @@ firstGop.dts,
             self.trigger.bind(self, 'audioTimingInfo'));
+          pipeline.audioSegmentStream.on('segmentTimingInfo',
+            self.trigger.bind(self, 'audioSegmentTimingInfo'));
 
@@ -1189,3 +1212,3 @@ // Set up the final part of the audio pipeline
   // exported for testing
-  generateVideoSegmentTimingInfo: generateVideoSegmentTimingInfo
+  generateSegmentTimingInfo: generateSegmentTimingInfo
 };

package.json

 {
   "name": "mux.js",
-  "version": "5.7.0",
+  "version": "5.8.0",
   "description": "A collection of lightweight utilities for inspecting and manipulating video container formats.",
@@ -5,0 +5,0 @@ "repository": {

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Improved metrics

Total package byte prevSize

1324583

increased by0.28%

Lines of code

31677

increased by0.21%

No dependency changes