1/*
2 * Copyright (C) 2010 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 MEDIA_WRITER_H_
18
19#define MEDIA_WRITER_H_
20
21#include <utils/RefBase.h>
22#include <media/MediaSource.h>
23#include <media/IMediaRecorderClient.h>
24
25namespace android {
26
27struct MediaWriter : public RefBase {
28    MediaWriter()
29        : mMaxFileSizeLimitBytes(0),
30          mMaxFileDurationLimitUs(0) {
31    }
32
33    virtual status_t addSource(const sp<MediaSource> &source) = 0;
34    virtual bool reachedEOS() = 0;
35    virtual status_t start(MetaData *params = NULL) = 0;
36    virtual status_t stop() = 0;
37    virtual status_t pause() = 0;
38
39    virtual void setMaxFileSize(int64_t bytes) { mMaxFileSizeLimitBytes = bytes; }
40    virtual void setMaxFileDuration(int64_t durationUs) { mMaxFileDurationLimitUs = durationUs; }
41    virtual void setListener(const sp<IMediaRecorderClient>& listener) {
42        mListener = listener;
43    }
44
45    virtual status_t dump(int /*fd*/, const Vector<String16>& /*args*/) {
46        return OK;
47    }
48
49    virtual void setStartTimeOffsetMs(int /*ms*/) {}
50    virtual int32_t getStartTimeOffsetMs() const { return 0; }
51    virtual status_t setNextFd(int /*fd*/) { return INVALID_OPERATION; }
52
53protected:
54    virtual ~MediaWriter() {}
55    int64_t mMaxFileSizeLimitBytes;
56    int64_t mMaxFileDurationLimitUs;
57    sp<IMediaRecorderClient> mListener;
58
59    void notify(int msg, int ext1, int ext2) {
60        if (mListener != NULL) {
61            mListener->notify(msg, ext1, ext2);
62        }
63    }
64private:
65    MediaWriter(const MediaWriter &);
66    MediaWriter &operator=(const MediaWriter &);
67};
68
69}  // namespace android
70
71#endif  // MEDIA_WRITER_H_
72