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