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  1. As I commented this issue in another thread dedicated to NVIDIA transcoding, I'll create a new one for this as I think is interesting. I've recorded a short clip from a DVB-T stream with DVBViewer: http://www.mediafire.com/?aoe7406d87h3k If QSV Decoder would work with live streams, this would be enought: But that fails. Somehow, if the stream is copied and piped into another ffmpeg ... it works: Stream is copied, decoded with H264_QSV and then encoded with H264_QSV, all under HW Acceleration. But this workaround is not valid for Recording Services: Seems the pipe lunches another instance which can't reach RS output pipe ({outfile}). Why use QSV on Decoder and Encoder for transcoding live streams? 1. Decoded frames are in Video Memory, not in System Memory this way, so Encoding runs way more faster saving time moving those decoded frames between memories. 2. Deinterlacing with QSV avoids using CPU, once again faster and saving CPU for other processes running. Does anyone know how to get RS to transcode live streams using QSV for Decoding and Encoding? Thanks in advance (specially to Griga and majstang who replied in the other thread).
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