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Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/boxes/.svn/text-base/AbstractSampleEncryptionBox.java.svn-base')
-rw-r--r--isoparser/src/main/java/com/googlecode/mp4parser/boxes/.svn/text-base/AbstractSampleEncryptionBox.java.svn-base350
1 files changed, 0 insertions, 350 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/boxes/.svn/text-base/AbstractSampleEncryptionBox.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/boxes/.svn/text-base/AbstractSampleEncryptionBox.java.svn-base
deleted file mode 100644
index 7ac4bba..0000000
--- a/isoparser/src/main/java/com/googlecode/mp4parser/boxes/.svn/text-base/AbstractSampleEncryptionBox.java.svn-base
+++ /dev/null
@@ -1,350 +0,0 @@
-package com.googlecode.mp4parser.boxes;
-
-import com.coremedia.iso.Hex;
-import com.coremedia.iso.IsoTypeReader;
-import com.coremedia.iso.IsoTypeWriter;
-import com.coremedia.iso.boxes.Box;
-import com.coremedia.iso.boxes.TrackHeaderBox;
-import com.coremedia.iso.boxes.fragment.TrackFragmentHeaderBox;
-import com.googlecode.mp4parser.AbstractFullBox;
-import com.googlecode.mp4parser.boxes.basemediaformat.TrackEncryptionBox;
-import com.googlecode.mp4parser.util.Path;
-
-import java.io.IOException;
-import java.math.BigInteger;
-import java.nio.ByteBuffer;
-import java.nio.channels.WritableByteChannel;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.LinkedList;
-import java.util.List;
-
-
-public abstract class AbstractSampleEncryptionBox extends AbstractFullBox {
- int algorithmId = -1;
- int ivSize = -1;
- byte[] kid = new byte[]{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1};
- List<Entry> entries = new LinkedList<Entry>();
-
- protected AbstractSampleEncryptionBox(String type) {
- super(type);
- }
-
- public int getOffsetToFirstIV() {
- int offset = (getSize() > (1l << 32) ? 16 : 8);
- offset += isOverrideTrackEncryptionBoxParameters() ? 20 : 0;
- offset += 4; //num entries
- return offset;
- }
-
- @Override
- public void _parseDetails(ByteBuffer content) {
- parseVersionAndFlags(content);
- int useThisIvSize = -1;
- if ((getFlags() & 0x1) > 0) {
- algorithmId = IsoTypeReader.readUInt24(content);
- ivSize = IsoTypeReader.readUInt8(content);
- useThisIvSize = ivSize;
- kid = new byte[16];
- content.get(kid);
- } else {
- List<Box> tkhds = Path.getPaths(this, "/moov[0]/trak/tkhd");
- for (Box tkhd : tkhds) {
- if (((TrackHeaderBox) tkhd).getTrackId() == this.getParent().getBoxes(TrackFragmentHeaderBox.class).get(0).getTrackId()) {
- AbstractTrackEncryptionBox tenc = (AbstractTrackEncryptionBox) Path.getPath(tkhd, "../mdia[0]/minf[0]/stbl[0]/stsd[0]/enc.[0]/sinf[0]/schi[0]/tenc[0]");
- if (tenc == null) {
- tenc = (AbstractTrackEncryptionBox) Path.getPath(tkhd, "../mdia[0]/minf[0]/stbl[0]/stsd[0]/enc.[0]/sinf[0]/schi[0]/uuid[0]");
- }
- useThisIvSize = tenc.getDefaultIvSize();
- }
- }
- }
- long numOfEntries = IsoTypeReader.readUInt32(content);
-
- while (numOfEntries-- > 0) {
- Entry e = new Entry();
- e.iv = new byte[useThisIvSize < 0 ? 8 : useThisIvSize]; // default to 8
- content.get(e.iv);
- if ((getFlags() & 0x2) > 0) {
- int numOfPairs = IsoTypeReader.readUInt16(content);
- e.pairs = new LinkedList<Entry.Pair>();
- while (numOfPairs-- > 0) {
- e.pairs.add(e.createPair(IsoTypeReader.readUInt16(content), IsoTypeReader.readUInt32(content)));
- }
- }
- entries.add(e);
-
- }
- }
-
-
- public int getSampleCount() {
- return entries.size();
- }
-
- public List<Entry> getEntries() {
- return entries;
- }
-
- public void setEntries(List<Entry> entries) {
- this.entries = entries;
- }
-
- public int getAlgorithmId() {
- return algorithmId;
- }
-
- public void setAlgorithmId(int algorithmId) {
- this.algorithmId = algorithmId;
- }
-
- public int getIvSize() {
- return ivSize;
- }
-
- public void setIvSize(int ivSize) {
- this.ivSize = ivSize;
- }
-
- public byte[] getKid() {
- return kid;
- }
-
- public void setKid(byte[] kid) {
- this.kid = kid;
- }
-
-
- public boolean isSubSampleEncryption() {
- return (getFlags() & 0x2) > 0;
- }
-
- public boolean isOverrideTrackEncryptionBoxParameters() {
- return (getFlags() & 0x1) > 0;
- }
-
- public void setSubSampleEncryption(boolean b) {
- if (b) {
- setFlags(getFlags() | 0x2);
- } else {
- setFlags(getFlags() & (0xffffff ^ 0x2));
- }
- }
-
- public void setOverrideTrackEncryptionBoxParameters(boolean b) {
- if (b) {
- setFlags(getFlags() | 0x1);
- } else {
- setFlags(getFlags() & (0xffffff ^ 0x1));
- }
- }
-
-
- @Override
- protected void getContent(ByteBuffer byteBuffer) {
- writeVersionAndFlags(byteBuffer);
- if (isOverrideTrackEncryptionBoxParameters()) {
- IsoTypeWriter.writeUInt24(byteBuffer, algorithmId);
- IsoTypeWriter.writeUInt8(byteBuffer, ivSize);
- byteBuffer.put(kid);
- }
- IsoTypeWriter.writeUInt32(byteBuffer, entries.size());
- for (Entry entry : entries) {
- if (isOverrideTrackEncryptionBoxParameters()) {
- byte[] ivFull = new byte[ivSize];
- System.arraycopy(entry.iv, 0, ivFull, ivSize - entry.iv.length, entry.iv.length);
- byteBuffer.put(ivFull);
- } else {
- // just put the iv - i don't know any better
- byteBuffer.put(entry.iv);
- }
- if (isSubSampleEncryption()) {
- IsoTypeWriter.writeUInt16(byteBuffer, entry.pairs.size());
- for (Entry.Pair pair : entry.pairs) {
- IsoTypeWriter.writeUInt16(byteBuffer, pair.clear);
- IsoTypeWriter.writeUInt32(byteBuffer, pair.encrypted);
- }
- }
- }
- }
-
- @Override
- protected long getContentSize() {
- long contentSize = 4;
- if (isOverrideTrackEncryptionBoxParameters()) {
- contentSize += 4;
- contentSize += kid.length;
- }
- contentSize += 4;
- for (Entry entry : entries) {
- contentSize += entry.getSize();
- }
- return contentSize;
- }
-
- @Override
- public void getBox(WritableByteChannel os) throws IOException {
- super.getBox(os);
- }
-
- public Entry createEntry() {
- return new Entry();
- }
-
- public class Entry {
- public byte[] iv;
- public List<Pair> pairs = new LinkedList<Pair>();
-
- public int getSize() {
- int size = 0;
- if (isOverrideTrackEncryptionBoxParameters()) {
- size = ivSize;
- } else {
- size = iv.length;
- }
-
-
- if (isSubSampleEncryption()) {
- size += 2;
- for (Entry.Pair pair : pairs) {
- size += 6;
- }
- }
- return size;
- }
-
- public Pair createPair(int clear, long encrypted) {
- return new Pair(clear, encrypted);
- }
-
-
- public class Pair {
- public int clear;
- public long encrypted;
-
- public Pair(int clear, long encrypted) {
- this.clear = clear;
- this.encrypted = encrypted;
- }
-
- @Override
- public boolean equals(Object o) {
- if (this == o) {
- return true;
- }
- if (o == null || getClass() != o.getClass()) {
- return false;
- }
-
- Pair pair = (Pair) o;
-
- if (clear != pair.clear) {
- return false;
- }
- if (encrypted != pair.encrypted) {
- return false;
- }
-
- return true;
- }
-
- @Override
- public int hashCode() {
- int result = clear;
- result = 31 * result + (int) (encrypted ^ (encrypted >>> 32));
- return result;
- }
-
- @Override
- public String toString() {
- return "clr:" + clear + " enc:" + encrypted;
- }
- }
-
-
- @Override
- public boolean equals(Object o) {
- if (this == o) {
- return true;
- }
- if (o == null || getClass() != o.getClass()) {
- return false;
- }
-
- Entry entry = (Entry) o;
-
- if (!new BigInteger(iv).equals(new BigInteger(entry.iv))) {
- return false;
- }
- if (pairs != null ? !pairs.equals(entry.pairs) : entry.pairs != null) {
- return false;
- }
-
- return true;
- }
-
- @Override
- public int hashCode() {
- int result = iv != null ? Arrays.hashCode(iv) : 0;
- result = 31 * result + (pairs != null ? pairs.hashCode() : 0);
- return result;
- }
-
- @Override
- public String toString() {
- return "Entry{" +
- "iv=" + Hex.encodeHex(iv) +
- ", pairs=" + pairs +
- '}';
- }
- }
-
- @Override
- public boolean equals(Object o) {
- if (this == o) {
- return true;
- }
- if (o == null || getClass() != o.getClass()) {
- return false;
- }
-
- AbstractSampleEncryptionBox that = (AbstractSampleEncryptionBox) o;
-
- if (algorithmId != that.algorithmId) {
- return false;
- }
- if (ivSize != that.ivSize) {
- return false;
- }
- if (entries != null ? !entries.equals(that.entries) : that.entries != null) {
- return false;
- }
- if (!Arrays.equals(kid, that.kid)) {
- return false;
- }
-
- return true;
- }
-
- @Override
- public int hashCode() {
- int result = algorithmId;
- result = 31 * result + ivSize;
- result = 31 * result + (kid != null ? Arrays.hashCode(kid) : 0);
- result = 31 * result + (entries != null ? entries.hashCode() : 0);
- return result;
- }
-
- public List<Short> getEntrySizes() {
- List<Short> entrySizes = new ArrayList<Short>(entries.size());
- for (Entry entry : entries) {
- short size = (short) entry.iv.length;
- if (isSubSampleEncryption()) {
- size += 2; //numPairs
- size += entry.pairs.size() * 6;
- }
- entrySizes.add(size);
- }
- return entrySizes;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 21:12:29 +0000