Hi Zhao, Zhao Liang-E3423C wrote: > Zhao Liang-E3423C wrote: >> >> 2. decoder + sink >> DSP is a decoder plus sink, it can directly accept encoded data, and >> then decode it and render pcm data into audio device directly. >> > > creating a sink with right caps should be enough for this one... > > Zhao Liang: By my experience, it is not simple like just adding a new > caps. > Just a example, how to handle preroll? Generally, dsp > need to do initialization when start to work, so what is the time to do > this? > you can add your sink into the pipeline but not link its sink pad immediatly when creating it. Your sink element could post a message on the pipeline bus to notify it's ready when it happens, and then you link it to allow preroll. -- Yann Gilquin Purple Labs S.A. www.purplelabs.com
