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/stagefright/MediaSource.h> 23 #include <media/IMediaRecorderClient.h> 24 #include <media/mediarecorder.h> 25 26 namespace android { 27 28 struct MediaWriter : public RefBase { MediaWriterMediaWriter29 MediaWriter() 30 : mMaxFileSizeLimitBytes(0), 31 mMaxFileDurationLimitUs(0) { 32 } 33 34 virtual status_t addSource(const sp<MediaSource> &source) = 0; 35 virtual bool reachedEOS() = 0; 36 virtual status_t start(MetaData *params = NULL) = 0; 37 virtual status_t stop() = 0; 38 virtual status_t pause() = 0; setCaptureRateMediaWriter39 virtual status_t setCaptureRate(float /* captureFps */) { 40 ALOG(LOG_WARN, "MediaWriter", "setCaptureRate unsupported"); 41 return ERROR_UNSUPPORTED; 42 } 43 setMaxFileSizeMediaWriter44 virtual void setMaxFileSize(int64_t bytes) { mMaxFileSizeLimitBytes = bytes; } setMaxFileDurationMediaWriter45 virtual void setMaxFileDuration(int64_t durationUs) { mMaxFileDurationLimitUs = durationUs; } setListenerMediaWriter46 virtual void setListener(const sp<IMediaRecorderClient>& listener) { 47 mListener = listener; 48 } 49 dumpMediaWriter50 virtual status_t dump(int /*fd*/, const Vector<String16>& /*args*/) { 51 return OK; 52 } 53 setStartTimeOffsetMsMediaWriter54 virtual void setStartTimeOffsetMs(int /*ms*/) {} getStartTimeOffsetMsMediaWriter55 virtual int32_t getStartTimeOffsetMs() const { return 0; } setNextFdMediaWriter56 virtual status_t setNextFd(int /*fd*/) { return INVALID_OPERATION; } updateCVODegreesMediaWriter57 virtual void updateCVODegrees(int32_t /*cvoDegrees*/) {} updatePayloadTypeMediaWriter58 virtual void updatePayloadType(int32_t /*payloadType*/) {} updateSocketNetworkMediaWriter59 virtual void updateSocketNetwork(int64_t /*socketNetwork*/) {} getSequenceNumMediaWriter60 virtual uint32_t getSequenceNum() { return 0; } getAccumulativeBytesMediaWriter61 virtual uint64_t getAccumulativeBytes() { return 0; } 62 63 protected: ~MediaWriterMediaWriter64 virtual ~MediaWriter() {} 65 int64_t mMaxFileSizeLimitBytes; 66 int64_t mMaxFileDurationLimitUs; 67 sp<IMediaRecorderClient> mListener; 68 notifyMediaWriter69 void notify(int msg, int ext1, int ext2) { 70 if (msg == MEDIA_RECORDER_TRACK_EVENT_INFO || msg == MEDIA_RECORDER_TRACK_EVENT_ERROR) { 71 uint32_t trackId = (ext1 >> 28) & 0xf; 72 int type = ext1 & 0xfffffff; 73 ALOG(LOG_VERBOSE, "MediaWriter", "Track event err/info msg:%d, trackId:%u, type:%d," 74 "val:%d", msg, trackId, type, ext2); 75 } else { 76 ALOG(LOG_VERBOSE, "MediaWriter", "Recorder event msg:%d, ext1:%d, ext2:%d", 77 msg, ext1, ext2); 78 } 79 if (mListener != nullptr) { 80 mListener->notify(msg, ext1, ext2); 81 } 82 } 83 private: 84 MediaWriter(const MediaWriter &); 85 MediaWriter &operator=(const MediaWriter &); 86 }; 87 88 } // namespace android 89 90 #endif // MEDIA_WRITER_H_ 91