diff options
Diffstat (limited to 'media/libmedia/AudioSystem.cpp')
-rw-r--r-- | media/libmedia/AudioSystem.cpp | 85 |
1 files changed, 62 insertions, 23 deletions
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp index cc5b810..140fb66 100644 --- a/media/libmedia/AudioSystem.cpp +++ b/media/libmedia/AudioSystem.cpp @@ -40,10 +40,10 @@ audio_error_callback AudioSystem::gAudioErrorCallback = NULL; DefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); // Cached values for recording queries, all protected by gLock -uint32_t AudioSystem::gPrevInSamplingRate = 16000; -audio_format_t AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT; -audio_channel_mask_t AudioSystem::gPrevInChannelMask = AUDIO_CHANNEL_IN_MONO; -size_t AudioSystem::gInBuffSize = 0; +uint32_t AudioSystem::gPrevInSamplingRate; +audio_format_t AudioSystem::gPrevInFormat; +audio_channel_mask_t AudioSystem::gPrevInChannelMask; +size_t AudioSystem::gInBuffSize = 0; // zero indicates cache is invalid // establish binder interface to AudioFlinger service @@ -84,13 +84,15 @@ const sp<IAudioFlinger>& AudioSystem::get_audio_flinger() return DEAD_OBJECT; } -status_t AudioSystem::muteMicrophone(bool state) { +status_t AudioSystem::muteMicrophone(bool state) +{ const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); if (af == 0) return PERMISSION_DENIED; return af->setMicMute(state); } -status_t AudioSystem::isMicrophoneMuted(bool* state) { +status_t AudioSystem::isMicrophoneMuted(bool* state) +{ const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); if (af == 0) return PERMISSION_DENIED; *state = af->getMicMute(); @@ -175,13 +177,15 @@ status_t AudioSystem::setMode(audio_mode_t mode) return af->setMode(mode); } -status_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { +status_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) +{ const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); if (af == 0) return PERMISSION_DENIED; return af->setParameters(ioHandle, keyValuePairs); } -String8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { +String8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) +{ const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); String8 result = String8(""); if (af == 0) return result; @@ -190,6 +194,16 @@ String8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& ke return result; } +status_t AudioSystem::setParameters(const String8& keyValuePairs) +{ + return setParameters((audio_io_handle_t) 0, keyValuePairs); +} + +String8 AudioSystem::getParameters(const String8& keys) +{ + return getParameters((audio_io_handle_t) 0, keys); +} + // convert volume steps to natural log scale // change this value to change volume scaling @@ -249,6 +263,11 @@ status_t AudioSystem::getSamplingRate(audio_io_handle_t output, *samplingRate = outputDesc->samplingRate; gLock.unlock(); } + if (*samplingRate == 0) { + ALOGE("AudioSystem::getSamplingRate failed for output %d stream type %d", + output, streamType); + return BAD_VALUE; + } ALOGV("getSamplingRate() streamType %d, output %d, sampling rate %u", streamType, output, *samplingRate); @@ -289,6 +308,11 @@ status_t AudioSystem::getFrameCount(audio_io_handle_t output, *frameCount = outputDesc->frameCount; gLock.unlock(); } + if (*frameCount == 0) { + ALOGE("AudioSystem::getFrameCount failed for output %d stream type %d", + output, streamType); + return BAD_VALUE; + } ALOGV("getFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); @@ -313,7 +337,7 @@ status_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t st } status_t AudioSystem::getLatency(audio_io_handle_t output, - audio_stream_type_t streamType, + audio_stream_type_t streamType __unused, uint32_t* latency) { OutputDescriptor *outputDesc; @@ -349,6 +373,12 @@ status_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t for return PERMISSION_DENIED; } inBuffSize = af->getInputBufferSize(sampleRate, format, channelMask); + if (inBuffSize == 0) { + ALOGE("AudioSystem::getInputBufferSize failed sampleRate %d format %#x channelMask %x", + sampleRate, format, channelMask); + return BAD_VALUE; + } + // A benign race is possible here: we could overwrite a fresher cache entry gLock.lock(); // save the request params gPrevInSamplingRate = sampleRate; @@ -387,9 +417,10 @@ status_t AudioSystem::getRenderPosition(audio_io_handle_t output, uint32_t *halF return af->getRenderPosition(halFrames, dspFrames, output); } -size_t AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { +uint32_t AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) +{ const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); - unsigned int result = 0; + uint32_t result = 0; if (af == 0) return result; if (ioHandle == 0) return result; @@ -397,29 +428,33 @@ size_t AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { return result; } -int AudioSystem::newAudioSessionId() { +int AudioSystem::newAudioSessionId() +{ const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); if (af == 0) return 0; return af->newAudioSessionId(); } -void AudioSystem::acquireAudioSessionId(int audioSession) { +void AudioSystem::acquireAudioSessionId(int audioSession, pid_t pid) +{ const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); if (af != 0) { - af->acquireAudioSessionId(audioSession); + af->acquireAudioSessionId(audioSession, pid); } } -void AudioSystem::releaseAudioSessionId(int audioSession) { +void AudioSystem::releaseAudioSessionId(int audioSession, pid_t pid) +{ const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); if (af != 0) { - af->releaseAudioSessionId(audioSession); + af->releaseAudioSessionId(audioSession, pid); } } // --------------------------------------------------------------------------- -void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { +void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who __unused) +{ Mutex::Autolock _l(AudioSystem::gLock); AudioSystem::gAudioFlinger.clear(); @@ -455,7 +490,7 @@ void AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle OutputDescriptor *outputDesc = new OutputDescriptor(*desc); gOutputs.add(ioHandle, outputDesc); - ALOGV("ioConfigChanged() new output samplingRate %u, format %d channel mask %#x frameCount %u " + ALOGV("ioConfigChanged() new output samplingRate %u, format %#x channel mask %#x frameCount %u " "latency %d", outputDesc->samplingRate, outputDesc->format, outputDesc->channelMask, outputDesc->frameCount, outputDesc->latency); @@ -479,7 +514,7 @@ void AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle if (param2 == NULL) break; desc = (const OutputDescriptor *)param2; - ALOGV("ioConfigChanged() new config for output %d samplingRate %u, format %d channel mask %#x " + ALOGV("ioConfigChanged() new config for output %d samplingRate %u, format %#x channel mask %#x " "frameCount %d latency %d", ioHandle, desc->samplingRate, desc->format, desc->channelMask, desc->frameCount, desc->latency); @@ -496,12 +531,14 @@ void AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle } } -void AudioSystem::setErrorCallback(audio_error_callback cb) { +void AudioSystem::setErrorCallback(audio_error_callback cb) +{ Mutex::Autolock _l(gLock); gAudioErrorCallback = cb; } -bool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) { +bool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) +{ switch (streamType) { case AUDIO_STREAM_MUSIC: case AUDIO_STREAM_VOICE_CALL: @@ -709,7 +746,8 @@ audio_devices_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) audio_io_handle_t AudioSystem::getOutputForEffect(const effect_descriptor_t *desc) { const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); - if (aps == 0) return PERMISSION_DENIED; + // FIXME change return type to status_t, and return PERMISSION_DENIED here + if (aps == 0) return 0; return aps->getOutputForEffect(desc); } @@ -804,7 +842,8 @@ bool AudioSystem::isOffloadSupported(const audio_offload_info_t& info) // --------------------------------------------------------------------------- -void AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { +void AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who __unused) +{ Mutex::Autolock _l(AudioSystem::gLock); AudioSystem::gAudioPolicyService.clear(); |