diff options
Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/h264/read/.svn/text-base/CAVLCReader.java.svn-base')
-rw-r--r-- | isoparser/src/main/java/com/googlecode/mp4parser/h264/read/.svn/text-base/CAVLCReader.java.svn-base | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/h264/read/.svn/text-base/CAVLCReader.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/h264/read/.svn/text-base/CAVLCReader.java.svn-base deleted file mode 100644 index 07c7f71..0000000 --- a/isoparser/src/main/java/com/googlecode/mp4parser/h264/read/.svn/text-base/CAVLCReader.java.svn-base +++ /dev/null @@ -1,185 +0,0 @@ -/* -Copyright (c) 2011 Stanislav Vitvitskiy - -Permission is hereby granted, free of charge, to any person obtaining a copy of this -software and associated documentation files (the "Software"), to deal in the Software -without restriction, including without limitation the rights to use, copy, modify, -merge, publish, distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject to the following -conditions: - -The above copyright notice and this permission notice shall be included in all copies or -substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, -INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR -PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE -FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE -OR OTHER DEALINGS IN THE SOFTWARE. -*/ -package com.googlecode.mp4parser.h264.read; - - -import com.googlecode.mp4parser.h264.BTree; - -import java.io.IOException; -import java.io.InputStream; - -import static com.googlecode.mp4parser.h264.Debug.println; - - -public class CAVLCReader extends BitstreamReader { - - public CAVLCReader(InputStream is) throws IOException { - super(is); - } - - public long readNBit(int n, String message) throws IOException { - long val = readNBit(n); - - trace(message, String.valueOf(val)); - - return val; - } - - /** - * Read unsigned exp-golomb code - * - * @return - * @throws java.io.IOException - * @throws java.io.IOException - */ - private int readUE() throws IOException { - int cnt = 0; - while (read1Bit() == 0) - cnt++; - - int res = 0; - if (cnt > 0) { - long val = readNBit(cnt); - - res = (int) ((1 << cnt) - 1 + val); - } - - return res; - } - - /* - * (non-Javadoc) - * - * @see - * ua.org.jplayer.javcodec.h264.H264BitInputStream#readUE(java.lang.String) - */ - public int readUE(String message) throws IOException { - int res = readUE(); - - trace(message, String.valueOf(res)); - - return res; - } - - public int readSE(String message) throws IOException { - int val = readUE(); - - int sign = ((val & 0x1) << 1) - 1; - val = ((val >> 1) + (val & 0x1)) * sign; - - trace(message, String.valueOf(val)); - - return val; - } - - public boolean readBool(String message) throws IOException { - - boolean res = read1Bit() == 0 ? false : true; - - trace(message, res ? "1" : "0"); - - return res; - } - - public int readU(int i, String string) throws IOException { - return (int) readNBit(i, string); - } - - public byte[] read(int payloadSize) throws IOException { - byte[] result = new byte[payloadSize]; - for (int i = 0; i < payloadSize; i++) { - result[i] = (byte) readByte(); - } - return result; - } - - public boolean readAE() { - // TODO: do it!! - throw new UnsupportedOperationException("Stan"); - } - - public int readTE(int max) throws IOException { - if (max > 1) - return readUE(); - return ~read1Bit() & 0x1; - } - - public int readAEI() { - // TODO: do it!! - throw new UnsupportedOperationException("Stan"); - } - - public int readME(String string) throws IOException { - return readUE(string); - } - - public Object readCE(BTree bt, String message) throws IOException { - while (true) { - int bit = read1Bit(); - bt = bt.down(bit); - if (bt == null) { - throw new RuntimeException("Illegal code"); - } - Object i = bt.getValue(); - if (i != null) { - trace(message, i.toString()); - return i; - } - } - } - - public int readZeroBitCount(String message) throws IOException { - int count = 0; - while (read1Bit() == 0) - count++; - - trace(message, String.valueOf(count)); - - return count; - } - - public void readTrailingBits() throws IOException { - read1Bit(); - readRemainingByte(); - } - - private void trace(String message, String val) { - StringBuilder traceBuilder = new StringBuilder(); - int spaces; - String pos = String.valueOf(bitsRead - debugBits.length()); - spaces = 8 - pos.length(); - - traceBuilder.append("@" + pos); - - for (int i = 0; i < spaces; i++) - traceBuilder.append(' '); - - traceBuilder.append(message); - spaces = 100 - traceBuilder.length() - debugBits.length(); - for (int i = 0; i < spaces; i++) - traceBuilder.append(' '); - traceBuilder.append(debugBits); - traceBuilder.append(" (" + val + ")"); - debugBits.clear(); - - println(traceBuilder.toString()); - } -}
\ No newline at end of file |