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 <utils/Errors.h> 25 #include <utils/RefBase.h> 26 27 namespace android { 28 29 struct ALooper; 30 struct AMessage; 31 struct AString; 32 struct ICrypto; 33 struct IGraphicBufferProducer; 34 struct MediaCodec; 35 class Surface; 36 37 struct JMediaCodec : public RefBase { 38 JMediaCodec( 39 JNIEnv *env, jobject thiz, 40 const char *name, bool nameIsType, bool encoder); 41 42 status_t initCheck() const; 43 44 status_t configure( 45 const sp<AMessage> &format, 46 const sp<IGraphicBufferProducer> &bufferProducer, 47 const sp<ICrypto> &crypto, 48 int flags); 49 50 status_t createInputSurface(sp<IGraphicBufferProducer>* bufferProducer); 51 52 status_t start(); 53 status_t stop(); 54 55 status_t flush(); 56 57 status_t queueInputBuffer( 58 size_t index, 59 size_t offset, size_t size, int64_t timeUs, uint32_t flags, 60 AString *errorDetailMsg); 61 62 status_t queueSecureInputBuffer( 63 size_t index, 64 size_t offset, 65 const CryptoPlugin::SubSample *subSamples, 66 size_t numSubSamples, 67 const uint8_t key[16], 68 const uint8_t iv[16], 69 CryptoPlugin::Mode mode, 70 int64_t presentationTimeUs, 71 uint32_t flags, 72 AString *errorDetailMsg); 73 74 status_t dequeueInputBuffer(size_t *index, int64_t timeoutUs); 75 76 status_t dequeueOutputBuffer( 77 JNIEnv *env, jobject bufferInfo, size_t *index, int64_t timeoutUs); 78 79 status_t releaseOutputBuffer(size_t index, bool render); 80 81 status_t signalEndOfInputStream(); 82 83 status_t getOutputFormat(JNIEnv *env, jobject *format) const; 84 85 status_t getBuffers( 86 JNIEnv *env, bool input, jobjectArray *bufArray) const; 87 88 status_t getName(JNIEnv *env, jstring *name) const; 89 90 void setVideoScalingMode(int mode); 91 92 protected: 93 virtual ~JMediaCodec(); 94 95 private: 96 jclass mClass; 97 jweak mObject; 98 sp<Surface> mSurfaceTextureClient; 99 100 sp<ALooper> mLooper; 101 sp<MediaCodec> mCodec; 102 103 DISALLOW_EVIL_CONSTRUCTORS(JMediaCodec); 104 }; 105 106 } // namespace android 107 108 #endif // _ANDROID_MEDIA_MEDIACODEC_H_ 109