android_media_MediaCodec.h revision 128b012cc8c2369136bb8450bc91c81aebe18506
1/* 2 * Copyright 2012, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef _ANDROID_MEDIA_MEDIACODEC_H_ 18#define _ANDROID_MEDIA_MEDIACODEC_H_ 19 20#include "jni.h" 21 22#include <media/hardware/CryptoAPI.h> 23#include <media/stagefright/foundation/ABase.h> 24#include <media/stagefright/foundation/AHandler.h> 25#include <utils/Errors.h> 26 27namespace android { 28 29struct ALooper; 30struct AMessage; 31struct AString; 32struct ICrypto; 33struct IGraphicBufferProducer; 34struct MediaCodec; 35class Surface; 36 37struct JMediaCodec : public AHandler { 38 JMediaCodec( 39 JNIEnv *env, jobject thiz, 40 const char *name, bool nameIsType, bool encoder); 41 42 status_t initCheck() const; 43 44 void registerSelf(); 45 void release(); 46 47 status_t configure( 48 const sp<AMessage> &format, 49 const sp<IGraphicBufferProducer> &bufferProducer, 50 const sp<ICrypto> &crypto, 51 int flags); 52 53 status_t createInputSurface(sp<IGraphicBufferProducer>* bufferProducer); 54 55 status_t start(); 56 status_t stop(); 57 58 status_t flush(); 59 60 status_t queueInputBuffer( 61 size_t index, 62 size_t offset, size_t size, int64_t timeUs, uint32_t flags, 63 AString *errorDetailMsg); 64 65 status_t queueSecureInputBuffer( 66 size_t index, 67 size_t offset, 68 const CryptoPlugin::SubSample *subSamples, 69 size_t numSubSamples, 70 const uint8_t key[16], 71 const uint8_t iv[16], 72 CryptoPlugin::Mode mode, 73 int64_t presentationTimeUs, 74 uint32_t flags, 75 AString *errorDetailMsg); 76 77 status_t dequeueInputBuffer(size_t *index, int64_t timeoutUs); 78 79 status_t dequeueOutputBuffer( 80 JNIEnv *env, jobject bufferInfo, size_t *index, int64_t timeoutUs); 81 82 status_t releaseOutputBuffer(size_t index, bool render); 83 84 status_t signalEndOfInputStream(); 85 86 status_t getOutputFormat(JNIEnv *env, jobject *format) const; 87 88 status_t getBuffers( 89 JNIEnv *env, bool input, jobjectArray *bufArray) const; 90 91 status_t getName(JNIEnv *env, jstring *name) const; 92 93 status_t setParameters(const sp<AMessage> ¶ms); 94 95 void setVideoScalingMode(int mode); 96 97protected: 98 virtual ~JMediaCodec(); 99 100 virtual void onMessageReceived(const sp<AMessage> &msg); 101 102private: 103 enum { 104 kWhatActivityNotify, 105 kWhatRequestActivityNotifications, 106 kWhatStopActivityNotifications, 107 }; 108 109 jclass mClass; 110 jweak mObject; 111 sp<Surface> mSurfaceTextureClient; 112 113 sp<ALooper> mLooper; 114 sp<MediaCodec> mCodec; 115 116 sp<AMessage> mActivityNotification; 117 int32_t mGeneration; 118 bool mRequestedActivityNotification; 119 120 void requestActivityNotification(); 121 122 DISALLOW_EVIL_CONSTRUCTORS(JMediaCodec); 123}; 124 125} // namespace android 126 127#endif // _ANDROID_MEDIA_MEDIACODEC_H_ 128