[FFmpeg-trac] #7080(undetermined:new): ffmpeg issue with NVENC and keyframes when encoding interlaced video
FFmpeg
trac at avcodec.org
Sun Mar 11 19:07:01 EET 2018
#7080: ffmpeg issue with NVENC and keyframes when encoding interlaced video
-------------------------------------+-------------------------------------
Reporter: malakudi | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: unspecified | undetermined
Keywords: nvenc | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
-------------------------------------+-------------------------------------
Comment (by malakudi):
Just tried with almost current git, nightly build for windows. Problem
also there.
{{{
ffmpeg -f mpegts -i sample.ts -flags +ildct+ilme -vcodec h264_nvenc
-preset slow -b:v 2200k -profile:v high -level 4.1 -c:a aac -ac 2 -b:a
128k -f hls -hls_time 8 playlist.m3u8
ffmpeg version N-90288-g2536bd8632 Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 7.3.0 (GCC)
configuration: --disable-static --enable-shared --enable-gpl --enable-
version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls
--enable-iconv --enable-libass --enable-libbluray --enable-libfreetype
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy
--enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx
--enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265
--enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp
--enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-
libmysofa --enable-libspeex --enable-libxvid --enable-libmfx --enable-amf
--enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc
--enable-nvdec --enable-dxva2 --enable-avisynth
libavutil 56. 9.100 / 56. 9.100
libavcodec 58. 14.100 / 58. 14.100
libavformat 58. 10.100 / 58. 10.100
libavdevice 58. 2.100 / 58. 2.100
libavfilter 7. 12.100 / 7. 12.100
libswscale 5. 0.102 / 5. 0.102
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
Input #0, mpegts, from 'sample.ts':
Duration: 00:01:02.56, start: 1.400000, bitrate: 13795 kb/s
Program 1
Metadata:
service_name : Service01
service_provider: FFmpeg
Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B),
yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], Closed
Captions, 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x101](eng): Audio: ac3 ([129][0][0][0] / 0x0081), 48000
Hz, stereo, fltp, 384 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_nvenc))
Stream #0:1 -> #0:1 (ac3 (native) -> aac (native))
Press [q] to stop, [?] for help
[hls @ 000001230d7f0500] Opening 'playlist0.ts' for writing
Output #0, hls, to 'playlist.m3u8':
Metadata:
encoder : Lavf58.10.100
Stream #0:0: Video: h264 (h264_nvenc) (High), yuv420p, 1920x1080 [SAR
1:1 DAR 16:9], q=-1--1, 2200 kb/s, 25 fps, 90k tbn, 25 tbc
Metadata:
encoder : Lavc58.14.100 h264_nvenc
Side data:
cpb: bitrate max/min/avg: 0/0/2200000 buffer size: 4400000
vbv_delay: -1
Stream #0:1(eng): Audio: aac (LC), 48000 Hz, stereo, fltp, 128 kb/s
Metadata:
encoder : Lavc58.14.100 aac
[hls @ 000001230d7f0500] Opening 'playlist.m3u8.tmp' for writing dup=36
drop=0 speed=8.65x
frame= 1564 fps=216 q=36.0 Lsize=N/A time=00:01:02.56 bitrate=N/A dup=36
drop=0 speed=8.65x
video:16968kB audio:953kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead: unknown
[aac @ 000001230b89e840] Qavg: 1101.940
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7080#comment:5>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list