You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
4.6 KiB
109 lines
4.6 KiB
/* //device/servers/AudioFlinger/AudioHardwareStub.h
|
|
**
|
|
** Copyright 2007, 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_HARDWARE_STUB_H
|
|
#define ANDROID_AUDIO_HARDWARE_STUB_H
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <hardware_legacy/AudioHardwareBase.h>
|
|
|
|
namespace android_audio_legacy {
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class AudioStreamOutStub : public AudioStreamOut {
|
|
public:
|
|
virtual status_t set(int *pFormat, uint32_t *pChannels, uint32_t *pRate);
|
|
virtual uint32_t sampleRate() const { return 44100; }
|
|
virtual size_t bufferSize() const { return 4096; }
|
|
virtual uint32_t channels() const { return AudioSystem::CHANNEL_OUT_STEREO; }
|
|
virtual int format() const { return AudioSystem::PCM_16_BIT; }
|
|
virtual uint32_t latency() const { return 0; }
|
|
virtual status_t setVolume(float left, float right) { return NO_ERROR; }
|
|
virtual ssize_t write(const void* buffer, size_t bytes);
|
|
virtual status_t standby();
|
|
virtual status_t dump(int fd, const Vector<String16>& args);
|
|
virtual status_t setParameters(const String8& keyValuePairs) { return NO_ERROR;}
|
|
virtual String8 getParameters(const String8& keys);
|
|
virtual status_t getRenderPosition(uint32_t *dspFrames);
|
|
};
|
|
|
|
class AudioStreamInStub : public AudioStreamIn {
|
|
public:
|
|
virtual status_t set(int *pFormat, uint32_t *pChannels, uint32_t *pRate, AudioSystem::audio_in_acoustics acoustics);
|
|
virtual uint32_t sampleRate() const { return 8000; }
|
|
virtual size_t bufferSize() const { return 320; }
|
|
virtual uint32_t channels() const { return AudioSystem::CHANNEL_IN_MONO; }
|
|
virtual int format() const { return AudioSystem::PCM_16_BIT; }
|
|
virtual status_t setGain(float gain) { return NO_ERROR; }
|
|
virtual ssize_t read(void* buffer, ssize_t bytes);
|
|
virtual status_t dump(int fd, const Vector<String16>& args);
|
|
virtual status_t standby() { return NO_ERROR; }
|
|
virtual status_t setParameters(const String8& keyValuePairs) { return NO_ERROR;}
|
|
virtual String8 getParameters(const String8& keys);
|
|
virtual unsigned int getInputFramesLost() const { return 0; }
|
|
virtual status_t addAudioEffect(effect_handle_t effect) { return NO_ERROR; }
|
|
virtual status_t removeAudioEffect(effect_handle_t effect) { return NO_ERROR; }
|
|
};
|
|
|
|
class AudioHardwareStub : public AudioHardwareBase
|
|
{
|
|
public:
|
|
AudioHardwareStub();
|
|
virtual ~AudioHardwareStub();
|
|
virtual status_t initCheck();
|
|
virtual status_t setVoiceVolume(float volume);
|
|
virtual status_t setMasterVolume(float volume);
|
|
|
|
// mic mute
|
|
virtual status_t setMicMute(bool state) { mMicMute = state; return NO_ERROR; }
|
|
virtual status_t getMicMute(bool* state) { *state = mMicMute ; return NO_ERROR; }
|
|
|
|
// create I/O streams
|
|
virtual AudioStreamOut* openOutputStream(
|
|
uint32_t devices,
|
|
int *format=0,
|
|
uint32_t *channels=0,
|
|
uint32_t *sampleRate=0,
|
|
status_t *status=0);
|
|
virtual void closeOutputStream(AudioStreamOut* out);
|
|
|
|
virtual AudioStreamIn* openInputStream(
|
|
uint32_t devices,
|
|
int *format,
|
|
uint32_t *channels,
|
|
uint32_t *sampleRate,
|
|
status_t *status,
|
|
AudioSystem::audio_in_acoustics acoustics);
|
|
virtual void closeInputStream(AudioStreamIn* in);
|
|
|
|
protected:
|
|
virtual status_t dump(int fd, const Vector<String16>& args);
|
|
|
|
bool mMicMute;
|
|
private:
|
|
status_t dumpInternals(int fd, const Vector<String16>& args);
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_AUDIO_HARDWARE_STUB_H
|