diff options
Diffstat (limited to 'media/audio/audio_controller.h')
| -rw-r--r-- | media/audio/audio_controller.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/media/audio/audio_controller.h b/media/audio/audio_controller.h index 21d6d22..7b02af4 100644 --- a/media/audio/audio_controller.h +++ b/media/audio/audio_controller.h @@ -107,7 +107,7 @@ class AudioController : public base::RefCountedThreadSafe<AudioController>, int channels, // Number of channels. int sample_rate, // Sampling frequency/rate. int bits_per_sample, // Number of bits per sample. - int hardware_buffer_size, // Size of the hardware buffer. + uint32 hardware_buffer_size, // Size of the hardware buffer. // Soft limit for buffer capacity in this controller. This parameter // is used only in regular latency mode. @@ -120,7 +120,7 @@ class AudioController : public base::RefCountedThreadSafe<AudioController>, int channels, // Number of channels. int sample_rate, // Sampling frequency/rate. int bits_per_sample, // Number of bits per sample. - int hardware_buffer_size, // Size of the hardware buffer. + uint32 hardware_buffer_size, // Size of the hardware buffer. // External synchronous reader for audio controller. SyncReader* sync_reader); @@ -140,6 +140,9 @@ class AudioController : public base::RefCountedThreadSafe<AudioController>, // Closes the audio output stream and shutdown the audio controller thread. // This method returns only after all operations are completed. This // controller cannot be used after this method is called. + // + // It is safe to call this method more than once. Calls after the first one + // will have no effect. void Close(); // Sets the volume of the audio output stream. @@ -150,6 +153,8 @@ class AudioController : public base::RefCountedThreadSafe<AudioController>, // SyncReader is present. void EnqueueData(const uint8* data, uint32 size); + bool LowLatencyMode() const { return sync_reader_ != NULL; } + /////////////////////////////////////////////////////////////////////////// // AudioSourceCallback methods. virtual uint32 OnMoreData(AudioOutputStream* stream, void* dest, @@ -164,7 +169,7 @@ class AudioController : public base::RefCountedThreadSafe<AudioController>, // The following methods are executed on the audio controller thread. void DoCreate(AudioManager::Format format, int channels, int sample_rate, int bits_per_sample, - int hardware_buffer_size); + uint32 hardware_buffer_size); void DoPlay(); void DoPause(); void DoFlush(); |