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https://github.com/TeamNewPipe/NewPipe
synced 2024-12-23 16:40:32 +00:00
Drop "writing/muxed by" metadata
* All muxers (mp4, webm and ogg) are affected * solve some checkstyle's errors (building was blocked) Mp4FromDashWriter: * drop "writing application" * drop "handler name" OggFromWebMWriter: * drop "writing application" for OPUS and VORBIS header WebMWriter: * Drop "Muxing application" * Drop "Writing application"
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kapodamy
parent
07cead7e99
commit
452977abdf
@ -717,18 +717,6 @@ public class Mp4FromDashWriter {
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makeTrak(i, durations[i], defaultMediaTime[i], tablesInfo[i], is64);
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}
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// udta/meta/ilst/©too
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auxWrite(new byte[]{
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0x00, 0x00, 0x00, 0x5C, 0x75, 0x64, 0x74, 0x61, 0x00, 0x00, 0x00, 0x54, 0x6D, 0x65,
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0x74, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x68, 0x64, 0x6C, 0x72,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6D, 0x64, 0x69, 0x72, 0x61, 0x70,
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0x70, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x27, 0x69, 0x6C, 0x73, 0x74, 0x00, 0x00, 0x00,
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0x1F, (byte) 0xA9, 0x74, 0x6F, 0x6F, 0x00, 0x00, 0x00, 0x17, 0x64, 0x61, 0x74, 0x61,
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0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x4E, 0x65, 0x77, 0x50, 0x69, 0x70, 0x65 // "NewPipe" binary string
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});
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return lengthFor(start);
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}
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@ -850,20 +838,10 @@ public class Mp4FromDashWriter {
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private byte[] makeHdlr(final Hdlr hdlr) {
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ByteBuffer buffer = ByteBuffer.wrap(new byte[]{
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0x00, 0x00, 0x00, 0x77, 0x68, 0x64, 0x6C, 0x72, // hdlr
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0x00, 0x00, 0x00, 0x21, 0x68, 0x64, 0x6C, 0x72, // hdlr
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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// binary string
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// "ISO Media file created in NewPipe (
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// A libre lightweight streaming frontend for Android)."
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0x49, 0x53, 0x4F, 0x20, 0x4D, 0x65, 0x64, 0x69, 0x61, 0x20, 0x66, 0x69, 0x6C, 0x65,
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0x20, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x20, 0x69, 0x6E, 0x20, 0x4E, 0x65,
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0x77, 0x50, 0x69, 0x70, 0x65, 0x20, 0x28, 0x41, 0x20, 0x6C, 0x69, 0x62, 0x72, 0x65,
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0x20, 0x6C, 0x69, 0x67, 0x68, 0x74, 0x77, 0x65, 0x69, 0x67, 0x68, 0x74, 0x20, 0x73,
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0x74, 0x72, 0x65, 0x61, 0x6D, 0x69, 0x6E, 0x67,
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0x20, 0x66, 0x72, 0x6F, 0x6E, 0x74, 0x65, 0x6E, 0x64, 0x20, 0x66, 0x6F, 0x72, 0x20,
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0x41, 0x6E,
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0x64, 0x72, 0x6F, 0x69, 0x64, 0x29, 0x2E
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0x00// null string character
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});
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buffer.position(12);
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@ -899,7 +877,7 @@ public class Mp4FromDashWriter {
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* characteristics of sample groups. The descriptive information is any other
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* information needed to define or characterize the sample group.
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*
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* ¿is replicabled this box?
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* ¿is replicable this box?
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* NO due lacks of documentation about this box but...
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* most of m4a encoders and ffmpeg uses this box with dummy values (same values)
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*/
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@ -274,30 +274,15 @@ public class OggFromWebMWriter implements Closeable {
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if ("A_OPUS".equals(webmTrack.codecId)) {
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return new byte[]{
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0x4F, 0x70, 0x75, 0x73, 0x54, 0x61, 0x67, 0x73, // "OpusTags" binary string
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0x07, 0x00, 0x00, 0x00, // writing application string size
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0x4E, 0x65, 0x77, 0x50, 0x69, 0x70, 0x65, // "NewPipe" binary string
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0x00, 0x00, 0x00, 0x00, // writing application string size (not present)
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0x00, 0x00, 0x00, 0x00 // additional tags count (zero means no tags)
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};
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} else if ("A_VORBIS".equals(webmTrack.codecId)) {
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return new byte[]{
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0x03, // ????????
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0x03, // ¿¿¿???
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0x76, 0x6f, 0x72, 0x62, 0x69, 0x73, // "vorbis" binary string
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0x07, 0x00, 0x00, 0x00, // writting application string size
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0x4E, 0x65, 0x77, 0x50, 0x69, 0x70, 0x65, // "NewPipe" binary string
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0x01, 0x00, 0x00, 0x00, // additional tags count (zero means no tags)
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/*
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// whole file duration (not implemented)
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0x44,// tag string size
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0x55, 0x52, 0x41, 0x54, 0x49, 0x4F, 0x4E, 0x3D, 0x30,
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0x30, 0x3A, 0x30, 0x30, 0x3A, 0x30, 0x30, 0x2E, 0x30,
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0x30, 0x30, 0x30, 0x30, 0x30, 0x30
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*/
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0x0F, // tag string size
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0x00, 0x00, 0x00, 0x45, 0x4E, 0x43, 0x4F,
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0x44, 0x45, 0x52, 0x3D, // "ENCODER=" binary string
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0x4E, 0x65, 0x77, 0x50, 0x69, 0x70, 0x65, // "NewPipe" binary string
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0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // ????????
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0x00, 0x00, 0x00, 0x00, // writing application string size (not present)
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0x00, 0x00, 0x00, 0x00, // additional tags count (zero means no tags)
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};
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}
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@ -377,7 +362,7 @@ public class OggFromWebMWriter implements Closeable {
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return addPacketSegment(block.dataSize);
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}
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private boolean addPacketSegment(int size) {
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private boolean addPacketSegment(final int size) {
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if (size > 65025) {
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throw new UnsupportedOperationException("page size cannot be larger than 65025");
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}
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@ -396,8 +381,8 @@ public class OggFromWebMWriter implements Closeable {
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return false; // not enough space on the page
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}
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for (; size > 0; size -= 255) {
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segmentTable[segmentTableSize++] = (byte) Math.min(size, 255);
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for (int seg = size; seg > 0; seg -= 255) {
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segmentTable[segmentTableSize++] = (byte) Math.min(seg, 255);
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}
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if (extra) {
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@ -419,12 +404,13 @@ public class OggFromWebMWriter implements Closeable {
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}
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}
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private int calcCrc32(int initialCrc, final byte[] buffer, final int size) {
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private int calcCrc32(final int initialCrc, final byte[] buffer, final int size) {
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int crc = initialCrc;
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for (int i = 0; i < size; i++) {
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int reg = (initialCrc >>> 24) & 0xff;
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initialCrc = (initialCrc << 8) ^ crc32Table[reg ^ (buffer[i] & 0xff)];
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int reg = (crc >>> 24) & 0xff;
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crc = (crc << 8) ^ crc32Table[reg ^ (buffer[i] & 0xff)];
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}
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return initialCrc;
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return crc;
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}
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}
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@ -151,7 +151,7 @@ public class WebMWriter implements Closeable {
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(byte) 0xac, (byte) 0x81, /*info offset*/ 0x43,
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0x4d, (byte) 0xbb, (byte) 0x8b, 0x53, (byte) 0xab,
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(byte) 0x84, 0x16, 0x54, (byte) 0xae, 0x6b, 0x53, (byte) 0xac, (byte) 0x81,
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/*tracks offset*/ 0x6a,
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/*tracks offset*/ 0x56,
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0x4d, (byte) 0xbb, (byte) 0x8e, 0x53, (byte) 0xab, (byte) 0x84, 0x1f,
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0x43, (byte) 0xb6, 0x75, 0x53, (byte) 0xac, (byte) 0x84, /*cluster offset [2]*/ 0x00, 0x00, 0x00, 0x00,
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0x4d, (byte) 0xbb, (byte) 0x8e, 0x53, (byte) 0xab, (byte) 0x84, 0x1c, 0x53,
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@ -160,19 +160,11 @@ public class WebMWriter implements Closeable {
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/* info */
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listBuffer.add(new byte[]{
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0x15, 0x49, (byte) 0xa9, 0x66, (byte) 0xa2, 0x2a, (byte) 0xd7, (byte) 0xb1
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0x15, 0x49, (byte) 0xa9, 0x66, (byte) 0x8e, 0x2a, (byte) 0xd7, (byte) 0xb1
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});
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listBuffer.add(encode(DEFAULT_TIMECODE_SCALE, true)); // this value MUST NOT exceed 4 bytes
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listBuffer.add(new byte[]{0x44, (byte) 0x89, (byte) 0x84,
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0x00, 0x00, 0x00, 0x00, // info.duration
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/* MuxingApp */
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0x4d, (byte) 0x80, (byte) 0x87, 0x4E,
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0x65, 0x77, 0x50, 0x69, 0x70, 0x65, // "NewPipe" binary string
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/* WritingApp */
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0x57, 0x41, (byte) 0x87, 0x4E,
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0x65, 0x77, 0x50, 0x69, 0x70, 0x65// "NewPipe" binary string
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});
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/* tracks */
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@ -416,7 +408,7 @@ public class WebMWriter implements Closeable {
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}
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}
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private long makeCluster(final SharpStream stream, final long timecode, long offset,
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private long makeCluster(final SharpStream stream, final long timecode, final long offset,
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final boolean create) throws IOException {
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ClusterInfo cluster;
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@ -426,8 +418,6 @@ public class WebMWriter implements Closeable {
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cluster.size = (int) (written - offset - CLUSTER_HEADER_SIZE);
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}
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offset = written;
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if (create) {
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/* cluster */
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dump(new byte[]{0x1f, 0x43, (byte) 0xb6, 0x75}, stream);
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@ -445,7 +435,7 @@ public class WebMWriter implements Closeable {
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dump(encode(timecode, true), stream);
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}
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return offset;
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return written;
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}
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private void makeEBML(final SharpStream stream) throws IOException {
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@ -588,8 +578,10 @@ public class WebMWriter implements Closeable {
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return lengthFor(buffer);
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}
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private void makeEbmlVoid(final SharpStream out, int size, final boolean wipe)
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private void makeEbmlVoid(final SharpStream out, final int amount, final boolean wipe)
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throws IOException {
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int size = amount;
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/* ebml void */
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outByteBuffer.putShort(0, (short) 0xec20);
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outByteBuffer.putShort(2, (short) (size - 4));
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