diff options
Diffstat (limited to 'src/de/danoeh/antennapod/util/vorbiscommentreader')
5 files changed, 0 insertions, 426 deletions
diff --git a/src/de/danoeh/antennapod/util/vorbiscommentreader/OggInputStream.java b/src/de/danoeh/antennapod/util/vorbiscommentreader/OggInputStream.java deleted file mode 100644 index 767034ed2..000000000 --- a/src/de/danoeh/antennapod/util/vorbiscommentreader/OggInputStream.java +++ /dev/null @@ -1,81 +0,0 @@ -package de.danoeh.antennapod.util.vorbiscommentreader; - -import org.apache.commons.io.IOUtils; - -import java.io.IOException; -import java.io.InputStream; -import java.util.Arrays; - -public class OggInputStream extends InputStream { - private InputStream input; - - /** True if OggInputStream is currently inside an Ogg page. */ - private boolean isInPage; - private long bytesLeft; - - public OggInputStream(InputStream input) { - super(); - isInPage = false; - this.input = input; - } - - @Override - public int read() throws IOException { - if (!isInPage) { - readOggPage(); - } - - if (isInPage && bytesLeft > 0) { - int result = input.read(); - bytesLeft -= 1; - if (bytesLeft == 0) { - isInPage = false; - } - return result; - } - return -1; - } - - private void readOggPage() throws IOException { - // find OggS - int[] buffer = new int[4]; - int c = 0; - boolean isInOggS = false; - while ((c = input.read()) != -1) { - switch (c) { - case 'O': - isInOggS = true; - buffer[0] = c; - break; - case 'g': - if (buffer[1] != c) { - buffer[1] = c; - } else { - buffer[2] = c; - } - break; - case 'S': - buffer[3] = c; - break; - default: - if (isInOggS) { - Arrays.fill(buffer, 0); - isInOggS = false; - } - } - if (buffer[0] == 'O' && buffer[1] == 'g' && buffer[2] == 'g' - && buffer[3] == 'S') { - break; - } - } - // read segments - IOUtils.skipFully(input, 22); - bytesLeft = 0; - int numSegments = input.read(); - for (int i = 0; i < numSegments; i++) { - bytesLeft += input.read(); - } - isInPage = true; - } - -} diff --git a/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentChapterReader.java b/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentChapterReader.java deleted file mode 100644 index b2f149ddd..000000000 --- a/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentChapterReader.java +++ /dev/null @@ -1,101 +0,0 @@ -package de.danoeh.antennapod.util.vorbiscommentreader; - -import android.util.Log; -import de.danoeh.antennapod.BuildConfig; -import de.danoeh.antennapod.feed.Chapter; -import de.danoeh.antennapod.feed.VorbisCommentChapter; - -import java.util.ArrayList; -import java.util.List; - -public class VorbisCommentChapterReader extends VorbisCommentReader { - private static final String TAG = "VorbisCommentChapterReader"; - - private static final String CHAPTER_KEY = "chapter\\d\\d\\d.*"; - private static final String CHAPTER_ATTRIBUTE_TITLE = "name"; - private static final String CHAPTER_ATTRIBUTE_LINK = "url"; - - private List<Chapter> chapters; - - public VorbisCommentChapterReader() { - } - - @Override - public void onVorbisCommentFound() { - System.out.println("Vorbis comment found"); - } - - @Override - public void onVorbisCommentHeaderFound(VorbisCommentHeader header) { - chapters = new ArrayList<Chapter>(); - System.out.println(header.toString()); - } - - @Override - public boolean onContentVectorKey(String content) { - return content.matches(CHAPTER_KEY); - } - - @Override - public void onContentVectorValue(String key, String value) - throws VorbisCommentReaderException { - if (BuildConfig.DEBUG) - Log.d(TAG, "Key: " + key + ", value: " + value); - String attribute = VorbisCommentChapter.getAttributeTypeFromKey(key); - int id = VorbisCommentChapter.getIDFromKey(key); - Chapter chapter = getChapterById(id); - if (attribute == null) { - if (getChapterById(id) == null) { - // new chapter - long start = VorbisCommentChapter.getStartTimeFromValue(value); - chapter = new VorbisCommentChapter(id); - chapter.setStart(start); - chapters.add(chapter); - } else { - throw new VorbisCommentReaderException( - "Found chapter with duplicate ID (" + key + ", " - + value + ")"); - } - } else if (attribute.equals(CHAPTER_ATTRIBUTE_TITLE)) { - if (chapter != null) { - chapter.setTitle(value); - } - } else if (attribute.equals(CHAPTER_ATTRIBUTE_LINK)) { - if (chapter != null) { - chapter.setLink(value); - } - } - } - - @Override - public void onNoVorbisCommentFound() { - System.out.println("No vorbis comment found"); - } - - @Override - public void onEndOfComment() { - System.out.println("End of comment"); - for (Chapter c : chapters) { - System.out.println(c.toString()); - } - } - - @Override - public void onError(VorbisCommentReaderException exception) { - exception.printStackTrace(); - } - - private Chapter getChapterById(long id) { - for (Chapter c : chapters) { - if (((VorbisCommentChapter) c).getVorbisCommentId() == id) { - return c; - } - } - return null; - } - - public List<Chapter> getChapters() { - return chapters; - } - -} diff --git a/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentHeader.java b/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentHeader.java deleted file mode 100644 index 8c47393c9..000000000 --- a/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentHeader.java +++ /dev/null @@ -1,26 +0,0 @@ -package de.danoeh.antennapod.util.vorbiscommentreader; -public class VorbisCommentHeader { - private String vendorString; - private long userCommentLength; - - public VorbisCommentHeader(String vendorString, long userCommentLength) { - super(); - this.vendorString = vendorString; - this.userCommentLength = userCommentLength; - } - - @Override - public String toString() { - return "VorbisCommentHeader [vendorString=" + vendorString - + ", userCommentLength=" + userCommentLength + "]"; - } - - public String getVendorString() { - return vendorString; - } - - public long getUserCommentLength() { - return userCommentLength; - } - -} diff --git a/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentReader.java b/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentReader.java deleted file mode 100644 index 718a4f30f..000000000 --- a/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentReader.java +++ /dev/null @@ -1,194 +0,0 @@ -package de.danoeh.antennapod.util.vorbiscommentreader; - -import org.apache.commons.io.EndianUtils; -import org.apache.commons.io.IOUtils; - -import java.io.IOException; -import java.io.InputStream; -import java.io.UnsupportedEncodingException; -import java.nio.ByteBuffer; -import java.nio.charset.Charset; -import java.util.Arrays; - - -public abstract class VorbisCommentReader { - /** Length of first page in an ogg file in bytes. */ - private static final int FIRST_PAGE_LENGTH = 58; - private static final int SECOND_PAGE_MAX_LENGTH = 64 * 1024 * 1024; - private static final int PACKET_TYPE_IDENTIFICATION = 1; - private static final int PACKET_TYPE_COMMENT = 3; - - /** Called when Reader finds identification header. */ - public abstract void onVorbisCommentFound(); - - public abstract void onVorbisCommentHeaderFound(VorbisCommentHeader header); - - /** - * Is called every time the Reader finds a content vector. The handler - * should return true if it wants to handle the content vector. - */ - public abstract boolean onContentVectorKey(String content); - - /** - * Is called if onContentVectorKey returned true for the key. - * - * @throws VorbisCommentReaderException - */ - public abstract void onContentVectorValue(String key, String value) - throws VorbisCommentReaderException; - - public abstract void onNoVorbisCommentFound(); - - public abstract void onEndOfComment(); - - public abstract void onError(VorbisCommentReaderException exception); - - public void readInputStream(InputStream input) - throws VorbisCommentReaderException { - try { - // look for identification header - if (findIdentificationHeader(input)) { - - onVorbisCommentFound(); - input = new OggInputStream(input); - if (findCommentHeader(input)) { - VorbisCommentHeader commentHeader = readCommentHeader(input); - if (commentHeader != null) { - onVorbisCommentHeaderFound(commentHeader); - for (int i = 0; i < commentHeader - .getUserCommentLength(); i++) { - try { - long vectorLength = EndianUtils - .readSwappedUnsignedInteger(input); - String key = readContentVectorKey(input, - vectorLength).toLowerCase(); - boolean readValue = onContentVectorKey(key); - if (readValue) { - String value = readUTF8String( - input, - (int) (vectorLength - key.length() - 1)); - onContentVectorValue(key, value); - } else { - IOUtils.skipFully(input, - vectorLength - key.length() - 1); - } - } catch (IOException e) { - e.printStackTrace(); - } - } - onEndOfComment(); - } - - } else { - onError(new VorbisCommentReaderException( - "No comment header found")); - } - } else { - onNoVorbisCommentFound(); - } - } catch (IOException e) { - onError(new VorbisCommentReaderException(e)); - } - } - - private String readUTF8String(InputStream input, long length) - throws IOException { - byte[] buffer = new byte[(int) length]; - - IOUtils.readFully(input, buffer); - Charset charset = Charset.forName("UTF-8"); - return charset.newDecoder().decode(ByteBuffer.wrap(buffer)).toString(); - } - - /** - * Looks for an identification header in the first page of the file. If an - * identification header is found, it will be skipped completely and the - * method will return true, otherwise false. - * - * @throws IOException - */ - private boolean findIdentificationHeader(InputStream input) - throws IOException { - byte[] buffer = new byte[FIRST_PAGE_LENGTH]; - IOUtils.readFully(input, buffer); - int i; - for (i = 6; i < buffer.length; i++) { - if (buffer[i - 5] == 'v' && buffer[i - 4] == 'o' - && buffer[i - 3] == 'r' && buffer[i - 2] == 'b' - && buffer[i - 1] == 'i' && buffer[i] == 's' - && buffer[i - 6] == PACKET_TYPE_IDENTIFICATION) { - return true; - } - } - return false; - } - - private boolean findCommentHeader(InputStream input) throws IOException { - char[] buffer = new char["vorbis".length() + 1]; - for (int bytesRead = 0; bytesRead < SECOND_PAGE_MAX_LENGTH; bytesRead++) { - char c = (char) input.read(); - int dest = -1; - switch (c) { - case PACKET_TYPE_COMMENT: - dest = 0; - break; - case 'v': - dest = 1; - break; - case 'o': - dest = 2; - break; - case 'r': - dest = 3; - break; - case 'b': - dest = 4; - break; - case 'i': - dest = 5; - break; - case 's': - dest = 6; - break; - } - if (dest >= 0) { - buffer[dest] = c; - if (buffer[1] == 'v' && buffer[2] == 'o' && buffer[3] == 'r' - && buffer[4] == 'b' && buffer[5] == 'i' - && buffer[6] == 's' && buffer[0] == PACKET_TYPE_COMMENT) { - return true; - } - } else { - Arrays.fill(buffer, (char) 0); - } - } - return false; - } - - private VorbisCommentHeader readCommentHeader(InputStream input) - throws IOException, VorbisCommentReaderException { - try { - long vendorLength = EndianUtils.readSwappedUnsignedInteger(input); - String vendorName = readUTF8String(input, vendorLength); - long userCommentLength = EndianUtils - .readSwappedUnsignedInteger(input); - return new VorbisCommentHeader(vendorName, userCommentLength); - } catch (UnsupportedEncodingException e) { - throw new VorbisCommentReaderException(e); - } - } - - private String readContentVectorKey(InputStream input, long vectorLength) - throws IOException { - StringBuffer buffer = new StringBuffer(); - for (int i = 0; i < vectorLength; i++) { - char c = (char) input.read(); - if (c == '=') { - return buffer.toString(); - } else { - buffer.append(c); - } - } - return null; // no key found - } -} diff --git a/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentReaderException.java b/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentReaderException.java deleted file mode 100644 index 574373241..000000000 --- a/src/de/danoeh/antennapod/util/vorbiscommentreader/VorbisCommentReaderException.java +++ /dev/null @@ -1,24 +0,0 @@ -package de.danoeh.antennapod.util.vorbiscommentreader; -public class VorbisCommentReaderException extends Exception { - - public VorbisCommentReaderException() { - super(); - // TODO Auto-generated constructor stub - } - - public VorbisCommentReaderException(String arg0, Throwable arg1) { - super(arg0, arg1); - // TODO Auto-generated constructor stub - } - - public VorbisCommentReaderException(String arg0) { - super(arg0); - // TODO Auto-generated constructor stub - } - - public VorbisCommentReaderException(Throwable arg0) { - super(arg0); - // TODO Auto-generated constructor stub - } - -} |