diff options
Diffstat (limited to 'media/libmedia/AudioRecord.cpp')
-rw-r--r-- | media/libmedia/AudioRecord.cpp | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp index a3cb538..8b92669 100644 --- a/media/libmedia/AudioRecord.cpp +++ b/media/libmedia/AudioRecord.cpp @@ -423,18 +423,30 @@ status_t AudioRecord::openRecord_l(size_t epoch) return NO_INIT; } - IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; - pid_t tid = -1; + // Fast tracks must be at the primary _output_ [sic] sampling rate, + // because there is currently no concept of a primary input sampling rate + uint32_t afSampleRate = AudioSystem::getPrimaryOutputSamplingRate(); + if (afSampleRate == 0) { + ALOGW("getPrimaryOutputSamplingRate failed"); + } // Client can only express a preference for FAST. Server will perform additional tests. - // The only supported use case for FAST is callback transfer mode. + if ((mFlags & AUDIO_INPUT_FLAG_FAST) && !( + // use case: callback transfer mode + (mTransfer == TRANSFER_CALLBACK) && + // matching sample rate + (mSampleRate == afSampleRate))) { + ALOGW("AUDIO_INPUT_FLAG_FAST denied by client"); + // once denied, do not request again if IAudioRecord is re-created + mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); + } + + IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; + + pid_t tid = -1; if (mFlags & AUDIO_INPUT_FLAG_FAST) { - if ((mTransfer != TRANSFER_CALLBACK) || (mAudioRecordThread == 0)) { - ALOGW("AUDIO_INPUT_FLAG_FAST denied by client"); - // once denied, do not request again if IAudioRecord is re-created - mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); - } else { - trackFlags |= IAudioFlinger::TRACK_FAST; + trackFlags |= IAudioFlinger::TRACK_FAST; + if (mAudioRecordThread != 0) { tid = mAudioRecordThread->getTid(); } } |