android_media_MediaCodec.h revision d4023114e8cf7ec7db4d07958a303699b658f2c0 
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 setCallback(jobject cb);
48
49    status_t configure(
50            const sp<AMessage> &format,
51            const sp<IGraphicBufferProducer> &bufferProducer,
52            const sp<ICrypto> &crypto,
53            int flags);
54
55    status_t createInputSurface(sp<IGraphicBufferProducer>* bufferProducer);
56
57    status_t start();
58    status_t stop();
59
60    status_t flush();
61
62    status_t queueInputBuffer(
63            size_t index,
64            size_t offset, size_t size, int64_t timeUs, uint32_t flags,
65            AString *errorDetailMsg);
66
67    status_t queueSecureInputBuffer(
68            size_t index,
69            size_t offset,
70            const CryptoPlugin::SubSample *subSamples,
71            size_t numSubSamples,
72            const uint8_t key[16],
73            const uint8_t iv[16],
74            CryptoPlugin::Mode mode,
75            int64_t presentationTimeUs,
76            uint32_t flags,
77            AString *errorDetailMsg);
78
79    status_t dequeueInputBuffer(size_t *index, int64_t timeoutUs);
80
81    status_t dequeueOutputBuffer(
82            JNIEnv *env, jobject bufferInfo, size_t *index, int64_t timeoutUs);
83
84    status_t releaseOutputBuffer(
85            size_t index, bool render, bool updatePTS, int64_t timestampNs);
86
87    status_t signalEndOfInputStream();
88
89    status_t getFormat(JNIEnv *env, bool input, jobject *format) const;
90
91    status_t getOutputFormat(JNIEnv *env, size_t index, jobject *format) const;
92
93    status_t getBuffers(
94            JNIEnv *env, bool input, jobjectArray *bufArray) const;
95
96    status_t getBuffer(
97            JNIEnv *env, bool input, size_t index, jobject *buf) const;
98
99    status_t getImage(
100            JNIEnv *env, bool input, size_t index, jobject *image) const;
101
102    status_t getName(JNIEnv *env, jstring *name) const;
103
104    status_t setParameters(const sp<AMessage> &params);
105
106    void setVideoScalingMode(int mode);
107
108protected:
109    virtual ~JMediaCodec();
110
111    virtual void onMessageReceived(const sp<AMessage> &msg);
112    void handleCallback(const sp<AMessage> &msg);
113
114private:
115    enum {
116        kWhatCallbackNotify,
117    };
118
119    jclass mClass;
120    jweak mObject;
121    sp<Surface> mSurfaceTextureClient;
122
123    sp<ALooper> mLooper;
124    sp<MediaCodec> mCodec;
125
126    sp<AMessage> mCallbackNotification;
127
128    DISALLOW_EVIL_CONSTRUCTORS(JMediaCodec);
129};
130
131}  // namespace android
132
133#endif  // _ANDROID_MEDIA_MEDIACODEC_H_
134