http://groups.google.com/group/android-framework/browse_thread/thread/541f7170d22921cd/
http://groups.google.com/group/android-framework/browse_thread/thread/a4b9cd0674f82a87 Please read the above threads and then let me know if you have further questions. -Ravi On Feb 20, 12:02 am, waterblood <[email protected]> wrote: > Thanks for your reply. > > Is there a way to decide buffer allocator between an output port and > an input port in node level? Now what i see is opencore always take > the upstream output port as the supplier for the buffer shared in a > connection , and use a flag PVMF_MIME_YUV420_SEMIPLANAR_YVU in > iVideoSubFormat to indicate whether upstream node is a hardware codec. > If it is a hardware codec, the surface can directly take use of the > buffer pass down for rendering. > > Why not take use of useMemoryAllocators in opencore, and let 3rd party > implement their own allcator, and hook them to node as they wanted? If > so opencore will not care where the buffer come from, just take and > use it. > > Thanks > Guoyin Chen > > On Feb 20, 12:39 pm, rktb <[email protected]> wrote: > > > On Feb 19, 7:57 pm, waterblood <[email protected]> wrote:> Hi All, > > > > I have below two questions about opencore: > > > > 1. useMemoryAllocators has been defined in several places, just as > > > AndroidSurfaceOutput and AndroidAudioInput. But cannot find any place > > > where it be called. I just wonder what this function supposed to do? > > > Is it supposed to decide which memory allocator be used between two > > > node connection? > > > This API is not being used. > > > > 2. For A/V sync, video frame should be dropped if video is too late > > > to render. But I cannot find the code in opencore. Can anyone point me > > > where I can find it. > > > Look for "PVMF_MEDIAOUTPUTNODEPORT_MEDIA_LATE" in opencore/nodes/ > > pvmediaoutputnode/src/pv_media_output_node_inport.cpp. > > > > Thanks in advance! > > > Guoyin Chen > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "android-framework" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-framework?hl=en -~----------~----~----~----~------~----~------~--~---
