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Diffstat (limited to 'services/audioflinger/AudioHardwareStub.h')
| -rw-r--r-- | services/audioflinger/AudioHardwareStub.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/services/audioflinger/AudioHardwareStub.h b/services/audioflinger/AudioHardwareStub.h new file mode 100644 index 0000000..06a29de --- /dev/null +++ b/services/audioflinger/AudioHardwareStub.h @@ -0,0 +1,106 @@ +/* //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 { + +// ---------------------------------------------------------------------------- + +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; } +}; + +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 |