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/*
* Copyright 2012, 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.
*/
#ifndef _ANDROID_MEDIA_MEDIACODEC_H_
#define _ANDROID_MEDIA_MEDIACODEC_H_
#include "jni.h"
#include <media/hardware/CryptoAPI.h>
#include <media/stagefright/foundation/ABase.h>
#include <media/stagefright/foundation/AHandler.h>
#include <utils/Errors.h>
namespace android {
struct ABuffer;
struct ALooper;
struct AMessage;
struct AString;
struct ICrypto;
struct IGraphicBufferProducer;
struct MediaCodec;
struct PersistentSurface;
class Surface;
struct JMediaCodec : public AHandler {
JMediaCodec(
JNIEnv *env, jobject thiz,
const char *name, bool nameIsType, bool encoder);
status_t initCheck() const;
void registerSelf();
void release();
status_t enableOnFrameRenderedListener(jboolean enable);
status_t setCallback(jobject cb);
status_t configure(
const sp<AMessage> &format,
const sp<IGraphicBufferProducer> &bufferProducer,
const sp<ICrypto> &crypto,
int flags);
status_t setSurface(
const sp<IGraphicBufferProducer> &surface);
status_t createInputSurface(sp<IGraphicBufferProducer>* bufferProducer);
status_t setInputSurface(const sp<PersistentSurface> &surface);
status_t start();
status_t stop();
status_t reset();
status_t flush();
status_t queueInputBuffer(
size_t index,
size_t offset, size_t size, int64_t timeUs, uint32_t flags,
AString *errorDetailMsg);
status_t queueSecureInputBuffer(
size_t index,
size_t offset,
const CryptoPlugin::SubSample *subSamples,
size_t numSubSamples,
const uint8_t key[16],
const uint8_t iv[16],
CryptoPlugin::Mode mode,
const CryptoPlugin::Pattern &pattern,
int64_t presentationTimeUs,
uint32_t flags,
AString *errorDetailMsg);
status_t dequeueInputBuffer(size_t *index, int64_t timeoutUs);
status_t dequeueOutputBuffer(
JNIEnv *env, jobject bufferInfo, size_t *index, int64_t timeoutUs);
status_t releaseOutputBuffer(
size_t index, bool render, bool updatePTS, int64_t timestampNs);
status_t signalEndOfInputStream();
status_t getFormat(JNIEnv *env, bool input, jobject *format) const;
status_t getOutputFormat(JNIEnv *env, size_t index, jobject *format) const;
status_t getBuffers(
JNIEnv *env, bool input, jobjectArray *bufArray) const;
status_t getBuffer(
JNIEnv *env, bool input, size_t index, jobject *buf) const;
status_t getImage(
JNIEnv *env, bool input, size_t index, jobject *image) const;
status_t getName(JNIEnv *env, jstring *name) const;
status_t setParameters(const sp<AMessage> ¶ms);
void setVideoScalingMode(int mode);
protected:
virtual ~JMediaCodec();
virtual void onMessageReceived(const sp<AMessage> &msg);
private:
enum {
kWhatCallbackNotify,
kWhatFrameRendered,
};
jclass mClass;
jweak mObject;
sp<Surface> mSurfaceTextureClient;
// java objects cached
jclass mByteBufferClass;
jobject mNativeByteOrderObj;
jmethodID mByteBufferOrderMethodID;
jmethodID mByteBufferPositionMethodID;
jmethodID mByteBufferLimitMethodID;
jmethodID mByteBufferAsReadOnlyBufferMethodID;
sp<ALooper> mLooper;
sp<MediaCodec> mCodec;
sp<AMessage> mCallbackNotification;
sp<AMessage> mOnFrameRenderedNotification;
status_t mInitStatus;
status_t createByteBufferFromABuffer(
JNIEnv *env, bool readOnly, bool clearBuffer, const sp<ABuffer> &buffer,
jobject *buf) const;
void cacheJavaObjects(JNIEnv *env);
void deleteJavaObjects(JNIEnv *env);
void handleCallback(const sp<AMessage> &msg);
void handleFrameRenderedNotification(const sp<AMessage> &msg);
DISALLOW_EVIL_CONSTRUCTORS(JMediaCodec);
};
} // namespace android
#endif // _ANDROID_MEDIA_MEDIACODEC_H_
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