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

Also check the lang in case insensitive

node_modules/mux.js/lib/tools/parse-tfdt.js

@@ -1,17 +1,17 @@
-var toUnsigned = require('../utils/bin').toUnsigned;
-
-var tfdt = function(data) {
-  var result = {
-    version: data[0],
-    flags: new Uint8Array(data.subarray(1, 4)),
-    baseMediaDecodeTime: toUnsigned(data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7])
-  };
-  if (result.version === 1) {
-    result.baseMediaDecodeTime *= Math.pow(2, 32);
-    result.baseMediaDecodeTime += toUnsigned(data[8] << 24 | data[9] << 16 | data[10] << 8 | data[11]);
-  }
-  return result;
-};
-
-module.exports = tfdt;
-
+var toUnsigned = require('../utils/bin').toUnsigned;
+
+var tfdt = function(data) {
+  var result = {
+    version: data[0],
+    flags: new Uint8Array(data.subarray(1, 4)),
+    baseMediaDecodeTime: toUnsigned(data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7])
+  };
+  if (result.version === 1) {
+    result.baseMediaDecodeTime *= Math.pow(2, 32);
+    result.baseMediaDecodeTime += toUnsigned(data[8] << 24 | data[9] << 16 | data[10] << 8 | data[11]);
+  }
+  return result;
+};
+
+module.exports = tfdt;
+

node_modules/mux.js/lib/tools/parse-tfhd.js

@@ -1,49 +1,49 @@
-var tfhd = function(data) {
-  var
-  view = new DataView(data.buffer, data.byteOffset, data.byteLength),
-    result = {
-      version: data[0],
-      flags: new Uint8Array(data.subarray(1, 4)),
-      trackId: view.getUint32(4)
-    },
-    baseDataOffsetPresent = result.flags[2] & 0x01,
-    sampleDescriptionIndexPresent = result.flags[2] & 0x02,
-    defaultSampleDurationPresent = result.flags[2] & 0x08,
-    defaultSampleSizePresent = result.flags[2] & 0x10,
-    defaultSampleFlagsPresent = result.flags[2] & 0x20,
-    durationIsEmpty = result.flags[0] & 0x010000,
-    defaultBaseIsMoof =  result.flags[0] & 0x020000,
-    i;
-
-  i = 8;
-  if (baseDataOffsetPresent) {
-    i += 4; // truncate top 4 bytes
-    // FIXME: should we read the full 64 bits?
-    result.baseDataOffset = view.getUint32(12);
-    i += 4;
-  }
-  if (sampleDescriptionIndexPresent) {
-    result.sampleDescriptionIndex = view.getUint32(i);
-    i += 4;
-  }
-  if (defaultSampleDurationPresent) {
-    result.defaultSampleDuration = view.getUint32(i);
-    i += 4;
-  }
-  if (defaultSampleSizePresent) {
-    result.defaultSampleSize = view.getUint32(i);
-    i += 4;
-  }
-  if (defaultSampleFlagsPresent) {
-    result.defaultSampleFlags = view.getUint32(i);
-  }
-  if (durationIsEmpty) {
-    result.durationIsEmpty = true;
-  }
-  if (!baseDataOffsetPresent && defaultBaseIsMoof) {
-    result.baseDataOffsetIsMoof = true;
-  }
-  return result;
-};
-
-module.exports = tfhd;
+var tfhd = function(data) {
+  var
+  view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+    result = {
+      version: data[0],
+      flags: new Uint8Array(data.subarray(1, 4)),
+      trackId: view.getUint32(4)
+    },
+    baseDataOffsetPresent = result.flags[2] & 0x01,
+    sampleDescriptionIndexPresent = result.flags[2] & 0x02,
+    defaultSampleDurationPresent = result.flags[2] & 0x08,
+    defaultSampleSizePresent = result.flags[2] & 0x10,
+    defaultSampleFlagsPresent = result.flags[2] & 0x20,
+    durationIsEmpty = result.flags[0] & 0x010000,
+    defaultBaseIsMoof =  result.flags[0] & 0x020000,
+    i;
+
+  i = 8;
+  if (baseDataOffsetPresent) {
+    i += 4; // truncate top 4 bytes
+    // FIXME: should we read the full 64 bits?
+    result.baseDataOffset = view.getUint32(12);
+    i += 4;
+  }
+  if (sampleDescriptionIndexPresent) {
+    result.sampleDescriptionIndex = view.getUint32(i);
+    i += 4;
+  }
+  if (defaultSampleDurationPresent) {
+    result.defaultSampleDuration = view.getUint32(i);
+    i += 4;
+  }
+  if (defaultSampleSizePresent) {
+    result.defaultSampleSize = view.getUint32(i);
+    i += 4;
+  }
+  if (defaultSampleFlagsPresent) {
+    result.defaultSampleFlags = view.getUint32(i);
+  }
+  if (durationIsEmpty) {
+    result.durationIsEmpty = true;
+  }
+  if (!baseDataOffsetPresent && defaultBaseIsMoof) {
+    result.baseDataOffsetIsMoof = true;
+  }
+  return result;
+};
+
+module.exports = tfhd;

node_modules/mux.js/lib/tools/parse-trun.js

@@ -1,82 +1,82 @@
-var parseSampleFlags = require('./parse-sample-flags.js');
-
-var trun = function(data) {
-  var
-  result = {
-    version: data[0],
-    flags: new Uint8Array(data.subarray(1, 4)),
-    samples: []
-  },
-    view = new DataView(data.buffer, data.byteOffset, data.byteLength),
-    // Flag interpretation
-    dataOffsetPresent = result.flags[2] & 0x01, // compare with 2nd byte of 0x1
-    firstSampleFlagsPresent = result.flags[2] & 0x04, // compare with 2nd byte of 0x4
-    sampleDurationPresent = result.flags[1] & 0x01, // compare with 2nd byte of 0x100
-    sampleSizePresent = result.flags[1] & 0x02, // compare with 2nd byte of 0x200
-    sampleFlagsPresent = result.flags[1] & 0x04, // compare with 2nd byte of 0x400
-    sampleCompositionTimeOffsetPresent = result.flags[1] & 0x08, // compare with 2nd byte of 0x800
-    sampleCount = view.getUint32(4),
-    offset = 8,
-    sample;
-
-  if (dataOffsetPresent) {
-    // 32 bit signed integer
-    result.dataOffset = view.getInt32(offset);
-    offset += 4;
-  }
-
-  // Overrides the flags for the first sample only. The order of
-  // optional values will be: duration, size, compositionTimeOffset
-  if (firstSampleFlagsPresent && sampleCount) {
-    sample = {
-      flags: parseSampleFlags(data.subarray(offset, offset + 4))
-    };
-    offset += 4;
-    if (sampleDurationPresent) {
-      sample.duration = view.getUint32(offset);
-      offset += 4;
-    }
-    if (sampleSizePresent) {
-      sample.size = view.getUint32(offset);
-      offset += 4;
-    }
-    if (sampleCompositionTimeOffsetPresent) {
-      if (result.version === 1) {
-        sample.compositionTimeOffset = view.getInt32(offset);
-      } else {
-        sample.compositionTimeOffset = view.getUint32(offset);
-      }
-      offset += 4;
-    }
-    result.samples.push(sample);
-    sampleCount--;
-  }
-
-  while (sampleCount--) {
-    sample = {};
-    if (sampleDurationPresent) {
-      sample.duration = view.getUint32(offset);
-      offset += 4;
-    }
-    if (sampleSizePresent) {
-      sample.size = view.getUint32(offset);
-      offset += 4;
-    }
-    if (sampleFlagsPresent) {
-      sample.flags = parseSampleFlags(data.subarray(offset, offset + 4));
-      offset += 4;
-    }
-    if (sampleCompositionTimeOffsetPresent) {
-      if (result.version === 1) {
-        sample.compositionTimeOffset = view.getInt32(offset);
-      } else {
-        sample.compositionTimeOffset = view.getUint32(offset);
-      }
-      offset += 4;
-    }
-    result.samples.push(sample);
-  }
-  return result;
-};
-
-module.exports = trun;
+var parseSampleFlags = require('./parse-sample-flags.js');
+
+var trun = function(data) {
+  var
+  result = {
+    version: data[0],
+    flags: new Uint8Array(data.subarray(1, 4)),
+    samples: []
+  },
+    view = new DataView(data.buffer, data.byteOffset, data.byteLength),
+    // Flag interpretation
+    dataOffsetPresent = result.flags[2] & 0x01, // compare with 2nd byte of 0x1
+    firstSampleFlagsPresent = result.flags[2] & 0x04, // compare with 2nd byte of 0x4
+    sampleDurationPresent = result.flags[1] & 0x01, // compare with 2nd byte of 0x100
+    sampleSizePresent = result.flags[1] & 0x02, // compare with 2nd byte of 0x200
+    sampleFlagsPresent = result.flags[1] & 0x04, // compare with 2nd byte of 0x400
+    sampleCompositionTimeOffsetPresent = result.flags[1] & 0x08, // compare with 2nd byte of 0x800
+    sampleCount = view.getUint32(4),
+    offset = 8,
+    sample;
+
+  if (dataOffsetPresent) {
+    // 32 bit signed integer
+    result.dataOffset = view.getInt32(offset);
+    offset += 4;
+  }
+
+  // Overrides the flags for the first sample only. The order of
+  // optional values will be: duration, size, compositionTimeOffset
+  if (firstSampleFlagsPresent && sampleCount) {
+    sample = {
+      flags: parseSampleFlags(data.subarray(offset, offset + 4))
+    };
+    offset += 4;
+    if (sampleDurationPresent) {
+      sample.duration = view.getUint32(offset);
+      offset += 4;
+    }
+    if (sampleSizePresent) {
+      sample.size = view.getUint32(offset);
+      offset += 4;
+    }
+    if (sampleCompositionTimeOffsetPresent) {
+      if (result.version === 1) {
+        sample.compositionTimeOffset = view.getInt32(offset);
+      } else {
+        sample.compositionTimeOffset = view.getUint32(offset);
+      }
+      offset += 4;
+    }
+    result.samples.push(sample);
+    sampleCount--;
+  }
+
+  while (sampleCount--) {
+    sample = {};
+    if (sampleDurationPresent) {
+      sample.duration = view.getUint32(offset);
+      offset += 4;
+    }
+    if (sampleSizePresent) {
+      sample.size = view.getUint32(offset);
+      offset += 4;
+    }
+    if (sampleFlagsPresent) {
+      sample.flags = parseSampleFlags(data.subarray(offset, offset + 4));
+      offset += 4;
+    }
+    if (sampleCompositionTimeOffsetPresent) {
+      if (result.version === 1) {
+        sample.compositionTimeOffset = view.getInt32(offset);
+      } else {
+        sample.compositionTimeOffset = view.getUint32(offset);
+      }
+      offset += 4;
+    }
+    result.samples.push(sample);
+  }
+  return result;
+};
+
+module.exports = trun;