android_media_MediaCodec.h revision bfc56f497de0d18125366a02a93e61cdc0891be4 
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 ISurfaceTexture;
34struct MediaCodec;
35
36struct JMediaCodec : public RefBase {
37    JMediaCodec(
38            JNIEnv *env, jobject thiz,
39            const char *name, bool nameIsType, bool encoder);
40
41    status_t initCheck() const;
42
43    status_t configure(
44            const sp<AMessage> &format,
45            const sp<ISurfaceTexture> &surfaceTexture,
46            const sp<ICrypto> &crypto,
47            int flags);
48
49    status_t start();
50    status_t stop();
51
52    status_t flush();
53
54    status_t queueInputBuffer(
55            size_t index,
56            size_t offset, size_t size, int64_t timeUs, uint32_t flags,
57            AString *errorDetailMsg);
58
59    status_t queueSecureInputBuffer(
60            size_t index,
61            size_t offset,
62            const CryptoPlugin::SubSample *subSamples,
63            size_t numSubSamples,
64            const uint8_t key[16],
65            const uint8_t iv[16],
66            CryptoPlugin::Mode mode,
67            int64_t presentationTimeUs,
68            uint32_t flags,
69            AString *errorDetailMsg);
70
71    status_t dequeueInputBuffer(size_t *index, int64_t timeoutUs);
72
73    status_t dequeueOutputBuffer(
74            JNIEnv *env, jobject bufferInfo, size_t *index, int64_t timeoutUs);
75
76    status_t releaseOutputBuffer(size_t index, bool render);
77
78    status_t getOutputFormat(JNIEnv *env, jobject *format) const;
79
80    status_t getBuffers(
81            JNIEnv *env, bool input, jobjectArray *bufArray) const;
82
83protected:
84    virtual ~JMediaCodec();
85
86private:
87    jclass mClass;
88    jweak mObject;
89
90    sp<ALooper> mLooper;
91    sp<MediaCodec> mCodec;
92
93    DISALLOW_EVIL_CONSTRUCTORS(JMediaCodec);
94};
95
96}  // namespace android
97
98#endif  // _ANDROID_MEDIA_MEDIACODEC_H_
99