Called when the appsrc needs more data. A buffer or EOS should be pushed to appsrc from this thread or another thread. @length is just a hint and when it is set to -1, any number of bytes can be pushed into @appsrc.
Called when the appsrc needs more data. A buffer or EOS should be pushed to appsrc from this thread or another thread. @length is just a hint and when it is set to -1, any number of bytes can be pushed into @appsrc.