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| author | xians@chromium.org <xians@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-05-20 17:14:30 +0000 |
|---|---|---|
| committer | xians@chromium.org <xians@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2014-05-20 17:14:30 +0000 |
| commit | 3520beb6abd07f51fc784d210240c6d604edecc7 (patch) | |
| tree | e7bf5077ebad9102126145d3e80d7013a38f97db /media/audio/pulse | |
| parent | 803f6bf6dbfa200f668b9490757a4f2d6dbeae73 (diff) | |
| download | chromium_src-3520beb6abd07f51fc784d210240c6d604edecc7.zip chromium_src-3520beb6abd07f51fc784d210240c6d604edecc7.tar.gz chromium_src-3520beb6abd07f51fc784d210240c6d604edecc7.tar.bz2 | |
add audio-buffer-size command line flag support to the input audio for all the platforms.
This is required to do some experiments with low buffer size for input audio.
BUG=363958
TEST=manual test with audio-buffer-size flag
Review URL: https://codereview.chromium.org/285233005
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271673 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'media/audio/pulse')
| -rw-r--r-- | media/audio/pulse/audio_manager_pulse.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/media/audio/pulse/audio_manager_pulse.cc b/media/audio/pulse/audio_manager_pulse.cc index 238530a..412f2a4 100644 --- a/media/audio/pulse/audio_manager_pulse.cc +++ b/media/audio/pulse/audio_manager_pulse.cc @@ -39,6 +39,9 @@ static const int kMaxOutputStreams = 50; static const int kMinimumOutputBufferSize = 512; static const int kMaximumOutputBufferSize = 8192; +// Default input buffer size. +static const int kDefaultInputBufferSize = 1024; + static const base::FilePath::CharType kPulseLib[] = FILE_PATH_LITERAL("libpulse.so.0"); @@ -125,12 +128,14 @@ void AudioManagerPulse::GetAudioOutputDeviceNames( AudioParameters AudioManagerPulse::GetInputStreamParameters( const std::string& device_id) { - static const int kDefaultInputBufferSize = 1024; + int user_buffer_size = GetUserBufferSize(); + int buffer_size = user_buffer_size ? + user_buffer_size : kDefaultInputBufferSize; // TODO(xians): add support for querying native channel layout for pulse. return AudioParameters( AudioParameters::AUDIO_PCM_LOW_LATENCY, CHANNEL_LAYOUT_STEREO, - GetNativeSampleRate(), 16, kDefaultInputBufferSize); + GetNativeSampleRate(), 16, buffer_size); } AudioOutputStream* AudioManagerPulse::MakeLinearOutputStream( |