diff options
Diffstat (limited to 'services/audioflinger/AudioPolicyManagerBase.cpp')
-rw-r--r-- | services/audioflinger/AudioPolicyManagerBase.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/services/audioflinger/AudioPolicyManagerBase.cpp b/services/audioflinger/AudioPolicyManagerBase.cpp index a9e8bc0..6a82a59 100644 --- a/services/audioflinger/AudioPolicyManagerBase.cpp +++ b/services/audioflinger/AudioPolicyManagerBase.cpp @@ -1543,6 +1543,20 @@ uint32_t AudioPolicyManagerBase::getStrategyForStream(AudioSystem::stream_type s return (uint32_t)getStrategy(stream); } +uint32_t AudioPolicyManagerBase::getDevicesForStream(AudioSystem::stream_type stream) { + uint32_t devices; + // By checking the range of stream before calling getStrategy, we avoid + // getStrategy's behavior for invalid streams. getStrategy would do a LOGE + // and then return STRATEGY_MEDIA, but we want to return the empty set. + if (stream < (AudioSystem::stream_type) 0 || stream >= AudioSystem::NUM_STREAM_TYPES) { + devices = 0; + } else { + AudioPolicyManagerBase::routing_strategy strategy = getStrategy(stream); + devices = getDeviceForStrategy(strategy, true); + } + return devices; +} + AudioPolicyManagerBase::routing_strategy AudioPolicyManagerBase::getStrategy( AudioSystem::stream_type stream) { // stream to strategy mapping |