### - a -

- acodec : openshot::ReaderInfo , openshot::WriterInfo
- alpha : openshot::Clip , openshot::Color
- anchor : openshot::Clip
- audio_bit_rate : openshot::ReaderInfo , openshot::WriterInfo
- audio_stream_index : openshot::ReaderInfo , openshot::WriterInfo
- audio_timebase : openshot::ReaderInfo , openshot::WriterInfo
- audioDeviceManager : openshot::AudioDeviceManagerSingleton
- audioSamplesPerFrame : DeckLinkOutputDelegate