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Add support for audio recording source in generic audio policy mgr.

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Update the platform-independent audio policy manager to pass the
 nature of the audio recording source to the audio policy client
 interface through the AudioPolicyClientInterface::setParameters()
 method.

Change-Id: I6b4fd0f8a3acea0d7d30bbad98edd1977dc012bf
This commit is contained in:
Jean-Michel Trivi
2010-11-09 14:06:52 -08:00
parent 62e2fa24cd
commit 1a22bdb01a
3 changed files with 7 additions and 5 deletions
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5
include/media/AudioSystem.h
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@@ -472,7 +472,7 @@ public:
AudioParameter(const String8& keyValuePairs);
virtual ~AudioParameter();
// reserved parameter keys for changeing standard parameters with setParameters() function.
// reserved parameter keys for changing standard parameters with setParameters() function.
// Using these keys is mandatory for AudioFlinger to properly monitor audio output/input
// configuration changes and act accordingly.
// keyRouting: to change audio routing, value is an int in AudioSystem::audio_devices
@@ -480,11 +480,14 @@ public:
// keyFormat: to change audio format, value is an int in AudioSystem::audio_format
// keyChannels: to change audio channel configuration, value is an int in AudioSystem::audio_channels
// keyFrameCount: to change audio output frame count, value is an int
// keyInputSource: to change audio input source, value is an int in audio_source
// (defined in media/mediarecorder.h)
static const char *keyRouting;
static const char *keySamplingRate;
static const char *keyFormat;
static const char *keyChannels;
static const char *keyFrameCount;
static const char *keyInputSource;
String8 toString();

1
media/libmedia/AudioSystem.cpp
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@@ -835,6 +835,7 @@ const char *AudioParameter::keySamplingRate = "sampling_rate";
const char *AudioParameter::keyFormat = "format";
const char *AudioParameter::keyChannels = "channels";
const char *AudioParameter::keyFrameCount = "frame_count";
const char *AudioParameter::keyInputSource = "input_source";
AudioParameter::AudioParameter(const String8& keyValuePairs)
{

6
services/audioflinger/AudioPolicyManagerBase.cpp
View File

@@ -760,10 +760,8 @@ status_t AudioPolicyManagerBase::startInput(audio_io_handle_t input)
AudioParameter param = AudioParameter();
param.addInt(String8(AudioParameter::keyRouting), (int)inputDesc->mDevice);
// use Voice Recognition mode or not for this input based on input source
int vr_enabled = inputDesc->mInputSource == AUDIO_SOURCE_VOICE_RECOGNITION ? 1 : 0;
param.addInt(String8("vr_mode"), vr_enabled);
LOGV("AudioPolicyManager::startInput(%d), setting vr_mode to %d", inputDesc->mInputSource, vr_enabled);
param.addInt(String8(AudioParameter::keyInputSource), (int)inputDesc->mInputSource);
LOGV("AudioPolicyManager::startInput() input source = %d", inputDesc->mInputSource);
mpClientInterface->setParameters(input, param.toString());