android_media_MediaCodec.h revision 2621e40d0e0a496a96575768b7e2b70e3b3be640 
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
27namespace android {
28
29struct ALooper;
30struct AMessage;
31struct AString;
32struct ICrypto;
33struct IGraphicBufferProducer;
34struct MediaCodec;
35class Surface;
36
37struct 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
92protected:
93    virtual ~JMediaCodec();
94
95private:
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