diff options
Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/authoring/builder/.svn/text-base/ByteBufferHelper.java.svn-base')
-rw-r--r-- | isoparser/src/main/java/com/googlecode/mp4parser/authoring/builder/.svn/text-base/ByteBufferHelper.java.svn-base | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/authoring/builder/.svn/text-base/ByteBufferHelper.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/authoring/builder/.svn/text-base/ByteBufferHelper.java.svn-base deleted file mode 100644 index ad21b11..0000000 --- a/isoparser/src/main/java/com/googlecode/mp4parser/authoring/builder/.svn/text-base/ByteBufferHelper.java.svn-base +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright 2012 Sebastian Annies, Hamburg - * - * Licensed under the Apache License, Version 2.0 (the License); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an AS IS BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package com.googlecode.mp4parser.authoring.builder; - -import java.nio.ByteBuffer; -import java.nio.MappedByteBuffer; -import java.util.ArrayList; -import java.util.List; - -/** - * Used to merge adjacent byte buffers. - */ -public class ByteBufferHelper { - public static List<ByteBuffer> mergeAdjacentBuffers(List<ByteBuffer> samples) { - ArrayList<ByteBuffer> nuSamples = new ArrayList<ByteBuffer>(samples.size()); - for (ByteBuffer buffer : samples) { - int lastIndex = nuSamples.size() - 1; - if (lastIndex >= 0 && buffer.hasArray() && nuSamples.get(lastIndex).hasArray() && buffer.array() == nuSamples.get(lastIndex).array() && - nuSamples.get(lastIndex).arrayOffset() + nuSamples.get(lastIndex).limit() == buffer.arrayOffset()) { - ByteBuffer oldBuffer = nuSamples.remove(lastIndex); - ByteBuffer nu = ByteBuffer.wrap(buffer.array(), oldBuffer.arrayOffset(), oldBuffer.limit() + buffer.limit()).slice(); - // We need to slice here since wrap([], offset, length) just sets position and not the arrayOffset. - nuSamples.add(nu); - } else if (lastIndex >= 0 && - buffer instanceof MappedByteBuffer && nuSamples.get(lastIndex) instanceof MappedByteBuffer && - nuSamples.get(lastIndex).limit() == nuSamples.get(lastIndex).capacity() - buffer.capacity()) { - // This can go wrong - but will it? - ByteBuffer oldBuffer = nuSamples.get(lastIndex); - oldBuffer.limit(buffer.limit() + oldBuffer.limit()); - } else { - buffer.rewind(); - nuSamples.add(buffer); - } - } - return nuSamples; - } -} |