[FFmpeg-user] Impossible to convert between the formats supported by the filter 'Parsed_null_0' and the filter 'auto_scaler_0'

2018-02-13 Thread Garri Djavadyan
Hello FFmpeg community, Recently, I faced transcoding issues with fully hardware nvdec/nvenc scheme. Particularly, my FFmpeg feed fails with the following error after 30-60 minutes of live transcoding: --- [h264_cuvid @ 0x556e21e67e00] Initializing cuvid hwaccel [h264_cuvid @

Re: [FFmpeg-user] Impossible to convert between the formats supported by the filter 'Parsed_null_0' and the filter 'auto_scaler_0'

2018-02-14 Thread Garri Djavadyan
On 2018-02-13 23:56, James Girotti wrote: Recently, I faced transcoding issues with fully hardware nvdec/nvenc scheme. Particularly, my FFmpeg feed fails with the following error after 30-60 minutes of live transcoding: I have recently encountered this as well, but with DVD video material.

Re: [FFmpeg-user] NVDEC/NVENC resources underutilization

2018-02-28 Thread Garri Djavadyan
On 2018-02-28 23:54, James Girotti wrote: What I believe is happening is that ffmpeg is single-threading (as it must to reliable transcode), but the thread migrates between CPU cores. On my system this leads to much lower CPU clock speeds, because the up_threshold is never met long enough on a

Re: [FFmpeg-user] NVDEC/NVENC resources underutilization

2018-02-28 Thread Garri Djavadyan
. Garri W dniu 28.02.2018 o 14:44, Garri Djavadyan pisze: Hello FFmpeg community, I faced a problem with NVDEC/NVENC resources underutilization while running one ffmpeg instance. We use ffmpeg to convert various format videos to MP4(h264/aac) and applying logo overlay. Hardware decoding

[FFmpeg-user] NVDEC/NVENC resources underutilization

2018-02-28 Thread Garri Djavadyan
Hello FFmpeg community, I faced a problem with NVDEC/NVENC resources underutilization while running one ffmpeg instance. We use ffmpeg to convert various format videos to MP4(h264/aac) and applying logo overlay. Hardware decoding and encoding process is performed by NVDEC and NVENC chips. For