MediaCodec refactoring part 1-a: buffers become separate class
MediaCodecBuffer is meant to replace ABuffer and MediaBuffer in
communication between framework components. As the first step, replace
use of ABuffer in MediaCodec with MediaCodecBuffer, and adjust related
classes accordingly.
MediaCodec.getBuffer() and related APIs now returns MediaCodecBuffers;
thus change MediaCodec clients to use MediaCodecBuffer accordingly.
Test: manually tested for key use cases (Camera, YouTube and Play Movies)
Change-Id: Iba7ce131645e75ce5ddbf497fb793ab38b7f245b
diff --git a/media/libmedia/MediaCodecBuffer.cpp b/media/libmedia/MediaCodecBuffer.cpp
new file mode 100644
index 0000000..2d255be
--- /dev/null
+++ b/media/libmedia/MediaCodecBuffer.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2016, The Android Open Source Project
+ *
+ * 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MediaCodecBuffer"
+#include <utils/Log.h>
+
+#include <media/MediaCodecBuffer.h>
+#include <media/stagefright/foundation/ABuffer.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <media/stagefright/foundation/MediaBufferBase.h>
+
+namespace android {
+
+MediaCodecBuffer::MediaCodecBuffer(const sp<AMessage> &format, const sp<ABuffer> &buffer)
+ : mMeta(new AMessage),
+ mFormat(format),
+ mBuffer(buffer),
+ mMediaBufferBase(nullptr) {
+}
+
+// ABuffer-like interface
+uint8_t *MediaCodecBuffer::base() {
+ return mBuffer->base();
+}
+
+uint8_t *MediaCodecBuffer::data() {
+ return mBuffer->data();
+}
+
+size_t MediaCodecBuffer::capacity() const {
+ return mBuffer->capacity();
+}
+
+size_t MediaCodecBuffer::size() const {
+ return mBuffer->size();
+}
+
+size_t MediaCodecBuffer::offset() const {
+ return mBuffer->offset();
+}
+
+status_t MediaCodecBuffer::setRange(size_t offset, size_t size) {
+ mBuffer->setRange(offset, size);
+ return OK;
+}
+
+MediaBufferBase *MediaCodecBuffer::getMediaBufferBase() {
+ if (mMediaBufferBase != NULL) {
+ mMediaBufferBase->add_ref();
+ }
+ return mMediaBufferBase;
+}
+
+void MediaCodecBuffer::setMediaBufferBase(MediaBufferBase *mediaBuffer) {
+ if (mMediaBufferBase != NULL) {
+ mMediaBufferBase->release();
+ }
+ mMediaBufferBase = mediaBuffer;
+}
+
+sp<AMessage> MediaCodecBuffer::meta() {
+ return mMeta;
+}
+
+sp<AMessage> MediaCodecBuffer::format() {
+ return mFormat;
+}
+
+} // namespace android