To simplify my problem, I've modified an existing FFmpeg code sample. My modified code sample generates a .ts file containing mp2v video (no audio), but I cannot figure out why parallel encoding will not work (well, the ffmpeg library will not call back into my custom execute callback funcs).
https://pastebin.com/y1kae2fu If you run the code sample and insert a debugger breakpoint in the custom 'execute'/'execute2' function, you will note that the user-defined functions are never called by the encoder even though parallel encoding is explicitly enabled. Gavin. From: Gavin Smith <[email protected]> To: "[email protected]" <[email protected]> Sent: Thursday, 1 June 2017, 15:29 Subject: [Libav-user] User-specified execute/execute2 function in mpeg2 video encoder I'm attempting to set the mpeg2video encoder to use the threads within my existing thread pool. I'm encoding SD interlaced PAL content, but I cannot seem to get the encoder to callback into my user-defined execute function(s). To keep things simple, I have tried testing the callbacks with GDB before attempting to post the work to my thread pool. I have attached a link to a code snippet to provide some insight on how the encoder is being configured. https://pastebin.com/qLZ6ZYMy Note: In the code snippet provided, the code detects that threads may be used in conjunction with slices. Admittedly, there are a few fields which are linked, yet they do add for some confusion. The trunk docs are a bit sparse on the first two (2) fields. I may try update the docs if I can retrieve some additional information. * AVCodecContext::thread_type * AVCodecContext::active_thread_type * AVCodec::capabilities Any tips/suggestions would be much appreciated... Gavin._______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
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