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- LD_LIBRARY_PATH=/usr/local/cuda-8.0/lib64/ ffmpeg -f lavfi -i nullsrc -c:v h264_nvenc -gpu list -f null - -v trace
- ffmpeg version N-83034-gf48b6b8 Copyright (c) 2000-2017 the FFmpeg developers
- built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609
- configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree --disable-shared --enable-nvenc --enable-cuda --enable-cuvid --enable-libnpp --extra-cflags=-Ilocal/include --extra-cflags=-I../nv_sdk --extra-ldflags=-L../nv_sdk
- libavutil 55. 43.100 / 55. 43.100
- libavcodec 57. 71.100 / 57. 71.100
- libavformat 57. 62.100 / 57. 62.100
- libavdevice 57. 2.100 / 57. 2.100
- libavfilter 6. 68.100 / 6. 68.100
- libswscale 4. 3.101 / 4. 3.101
- libswresample 2. 4.100 / 2. 4.100
- libpostproc 54. 2.100 / 54. 2.100
- Successfully parsed a group of options.
- Parsing a group of options: input url nullsrc.
- Applying option f (force format) with argument lavfi.
- Successfully parsed a group of options.
- Opening an input file: nullsrc.
- detected 12 logical cores
- [Parsed_nullsrc_0 @ 0x3d609e0] size:320x240 rate:25/1 duration:-1.000000 sar:1/1
- [AVFilterGraph @ 0x3d5efe0] query_formats: 2 queried, 1 merged, 0 already done, 0 delayed
- [lavfi @ 0x3d5e740] All info found
- [lavfi @ 0x3d5e740] stream 0: start_time: 0.000 duration: -368934881474191040.000
- [lavfi @ 0x3d5e740] format: start_time: 0.000 duration: -9223372036854.775 bitrate=0 kb/s
- Input #0, lavfi, from 'nullsrc':
- Duration: N/A, start: 0.000000, bitrate: N/A
- Stream #0:0, 1, 1/25: Video: rawvideo, 1 reference frame (I420 / 0x30323449), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 0/1, 25 tbr, 25 tbn, 25 tbc
- Successfully opened the file.
- Parsing a group of options: output url -.
- Applying option c:v (codec name) with argument h264_nvenc.
- Applying option f (force format) with argument null.
- Successfully parsed a group of options.
- Opening an output file: -.
- Successfully opened the file.
- Initializing cuvid transcoding
- [graph 0 input from stream 0:0 @ 0x3d5e3c0] Setting 'video_size' to value '320x240'
- [graph 0 input from stream 0:0 @ 0x3d5e3c0] Setting 'pix_fmt' to value '0'
- [graph 0 input from stream 0:0 @ 0x3d5e3c0] Setting 'time_base' to value '1/25'
- [graph 0 input from stream 0:0 @ 0x3d5e3c0] Setting 'pixel_aspect' to value '1/1'
- [graph 0 input from stream 0:0 @ 0x3d5e3c0] Setting 'sws_param' to value 'flags=2'
- [graph 0 input from stream 0:0 @ 0x3d5e3c0] Setting 'frame_rate' to value '25/1'
- [graph 0 input from stream 0:0 @ 0x3d5e3c0] w:320 h:240 pixfmt:yuv420p tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
- [format @ 0x3da42e0] compat: called with args=[yuv420p|nv12|p010le|yuv444p|yuv444p16le|bgr0|rgb0|cuda]
- [format @ 0x3da42e0] Setting 'pix_fmts' to value 'yuv420p|nv12|p010le|yuv444p|yuv444p16le|bgr0|rgb0|cuda'
- [AVFilterGraph @ 0x3da2980] query_formats: 4 queried, 3 merged, 0 already done, 0 delayed
- Loaded lib: libcuda.so.1
- Loaded sym: cuInit
- Loaded sym: cuDeviceGetCount
- Loaded sym: cuDeviceGet
- Loaded sym: cuDeviceGetName
- Loaded sym: cuDeviceComputeCapability
- Loaded sym: cuCtxCreate_v2
- Loaded sym: cuCtxPushCurrent_v2
- Loaded sym: cuCtxPopCurrent_v2
- Loaded sym: cuCtxDestroy_v2
- Loaded sym: cuMemAlloc_v2
- Loaded sym: cuMemFree_v2
- Loaded sym: cuMemcpy2D_v2
- Loaded sym: cuGetErrorName
- Loaded sym: cuGetErrorString
- Loaded lib: libnvidia-encode.so.1
- Loaded sym: NvEncodeAPICreateInstance
- Loaded sym: NvEncodeAPIGetMaxSupportedVersion
- [h264_nvenc @ 0x3d9f0a0] Loaded Nvenc version 7.1
- [h264_nvenc @ 0x3d9f0a0] Nvenc initialized successfully
- [h264_nvenc @ 0x3d9f0a0] 2 CUDA capable devices found
- [h264_nvenc @ 0x3d9f0a0] [ GPU #0 - < Tesla M60 > has Compute SM 5.2 ]
- [h264_nvenc @ 0x3d9f0a0] supports NVENC
- [h264_nvenc @ 0x3d9f0a0] [ GPU #1 - < Tesla M60 > has Compute SM 5.2 ]
- [h264_nvenc @ 0x3d9f0a0] supports NVENC
- [h264_nvenc @ 0x3d9f0a0] Nvenc unloaded
- Stream mapping:
- Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (h264_nvenc))
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