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- /*
- * Copyright (C) 2014 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 ANDROID_AUDIO_FAST_CAPTURE_STATE_H
- #define ANDROID_AUDIO_FAST_CAPTURE_STATE_H
- #include <media/nbaio/NBAIO.h>
- #include <media/AudioBufferProvider.h>
- #include "FastThreadState.h"
- #include <private/media/AudioTrackShared.h>
- namespace android {
- // Represent a single state of the fast capture
- struct FastCaptureState : FastThreadState {
- FastCaptureState();
- /*virtual*/ ~FastCaptureState();
- // all pointer fields use raw pointers; objects are owned and ref-counted by RecordThread
- NBAIO_Source* mInputSource; // HAL input device, must already be negotiated
- // FIXME by renaming, could pull up these fields to FastThreadState
- int mInputSourceGen; // increment when mInputSource is assigned
- NBAIO_Sink* mPipeSink; // after reading from input source, write to this pipe sink
- int mPipeSinkGen; // increment when mPipeSink is assigned
- size_t mFrameCount; // number of frames per fast capture buffer
- audio_track_cblk_t* mCblk; // control block for the single fast client, or NULL
- audio_format_t mFastPatchRecordFormat = AUDIO_FORMAT_INVALID;
- AudioBufferProvider* mFastPatchRecordBufferProvider = nullptr; // a reference to a patch
- // record in fast mode
- // Extends FastThreadState::Command
- static const Command
- // The following commands also process configuration changes, and can be "or"ed:
- READ = 0x8, // read from input source
- WRITE = 0x10, // write to pipe sink
- READ_WRITE = 0x18; // read from input source and write to pipe sink
- // never returns NULL; asserts if command is invalid
- static const char *commandToString(Command command);
- }; // struct FastCaptureState
- } // namespace android
- #endif // ANDROID_AUDIO_FAST_CAPTURE_STATE_H
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