diff options
Diffstat (limited to 'media/audio/audio_output.h')
| -rw-r--r-- | media/audio/audio_output.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/media/audio/audio_output.h b/media/audio/audio_output.h index 289b2af..4793e71 100644 --- a/media/audio/audio_output.h +++ b/media/audio/audio_output.h @@ -43,9 +43,11 @@ class AudioOutputStream { public: enum State { STATE_CREATED = 0, // The output stream is created. + STATE_OPENED, // The output stream is opened. STATE_STARTED, // The output stream is started. STATE_PAUSED, // The output stream is paused. STATE_STOPPED, // The output stream is stopped. + STATE_CLOSING, // The output stream is being closed. STATE_CLOSED, // The output stream is closed. STATE_ERROR, // The output stream is in error state. }; @@ -82,6 +84,9 @@ class AudioOutputStream { // two buffers of |packet_size| size are created, one will be locked for // playback and one will be ready to be filled in the call to // AudioSourceCallback::OnMoreData(). + // + // TODO(ajwong): Streams are not reusable, so try to move packet_size into the + // constructor. virtual bool Open(size_t packet_size) = 0; // Starts playing audio and generating AudioSourceCallback::OnMoreData(). @@ -89,9 +94,11 @@ class AudioOutputStream { // after calling this method initial buffers are fetched. User of this // object should prepare |AudioOutputStream::GetNumBuffers()| before calling // AudioOutputStream::Start(). + // + // The output stream does not take ownership of this callback. virtual void Start(AudioSourceCallback* callback) = 0; - // Stops playing audio. Effect might no be instantaneous as the hardware + // Stops playing audio. Effect might not be instantaneous as the hardware // might have locked audio data that is processing. virtual void Stop() = 0; |