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 25 namespace android { 26 27 struct MediaWriter : public RefBase { MediaWriterMediaWriter28 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 setMaxFileSizeMediaWriter39 virtual void setMaxFileSize(int64_t bytes) { mMaxFileSizeLimitBytes = bytes; } setMaxFileDurationMediaWriter40 virtual void setMaxFileDuration(int64_t durationUs) { mMaxFileDurationLimitUs = durationUs; } setListenerMediaWriter41 virtual void setListener(const sp<IMediaRecorderClient>& listener) { 42 mListener = listener; 43 } 44 dumpMediaWriter45 virtual status_t dump(int /*fd*/, const Vector<String16>& /*args*/) { 46 return OK; 47 } 48 setStartTimeOffsetMsMediaWriter49 virtual void setStartTimeOffsetMs(int /*ms*/) {} getStartTimeOffsetMsMediaWriter50 virtual int32_t getStartTimeOffsetMs() const { return 0; } setNextFdMediaWriter51 virtual status_t setNextFd(int /*fd*/) { return INVALID_OPERATION; } 52 53 protected: ~MediaWriterMediaWriter54 virtual ~MediaWriter() {} 55 int64_t mMaxFileSizeLimitBytes; 56 int64_t mMaxFileDurationLimitUs; 57 sp<IMediaRecorderClient> mListener; 58 notifyMediaWriter59 void notify(int msg, int ext1, int ext2) { 60 if (mListener != NULL) { 61 mListener->notify(msg, ext1, ext2); 62 } 63 } 64 private: 65 MediaWriter(const MediaWriter &); 66 MediaWriter &operator=(const MediaWriter &); 67 }; 68 69 } // namespace android 70 71 #endif // MEDIA_WRITER_H_ 72