blob: 9bca2d4b50da3f26a16638a77cc9f8b97e8c3d11 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* 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 "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
// 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
|
