/* ** ** Copyright 2012, The Android Open Source Project ** ** Licensed under the Apache License, Version 2.0 (the "License"); ** you may not use this file except in compliance with the License. ** You may obtain a copy of the License at ** ** http://www.apache.org/licenses/LICENSE-2.0 ** ** Unless required by applicable law or agreed to in writing, software ** distributed under the License is distributed on an "AS IS" BASIS, ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ** See the License for the specific language governing permissions and ** limitations under the License. */ #ifndef INCLUDING_FROM_AUDIOFLINGER_H #error This header file should only be included from AudioFlinger.h #endif // record track class RecordTrack : public TrackBase { public: RecordTrack(RecordThread *thread, const sp& client, uint32_t sampleRate, audio_format_t format, audio_channel_mask_t channelMask, size_t frameCount, int sessionId, int uid); virtual ~RecordTrack(); virtual status_t start(AudioSystem::sync_event_t event, int triggerSession); virtual void stop(); void destroy(); void invalidate(); // clear the buffer overflow flag void clearOverflow() { mOverflow = false; } // set the buffer overflow flag and return previous value bool setOverflow() { bool tmp = mOverflow; mOverflow = true; return tmp; } static void appendDumpHeader(String8& result); void dump(char* buffer, size_t size); private: friend class AudioFlinger; // for mState RecordTrack(const RecordTrack&); RecordTrack& operator = (const RecordTrack&); // AudioBufferProvider interface virtual status_t getNextBuffer(AudioBufferProvider::Buffer* buffer, int64_t pts = kInvalidPTS); // releaseBuffer() not overridden bool mOverflow; // overflow on most recent attempt to fill client buffer AudioRecordServerProxy* mAudioRecordServerProxy; };