[FFmpeg-user] concat output defect
Micael Silva
micaelsilva at gmail.com
Mon Jun 3 21:15:02 EEST 2019
On Mon, Jun 3, 2019 at 2:55 PM Felix Muster via ffmpeg-user <
ffmpeg-user at ffmpeg.org> wrote:
> Hello,
>
> I'm trying to concat two videos.
> The output is defect, but only the second part (stripes across the frame
> see
> here https://i.imgur.com/UY8R9JV.png) first is fine.
>
> ffmpeg-log:
> ffmpeg version N-93981-g0b7bfa8ad7 Copyright (c) 2000-2019 the FFmpeg
> developers
> built with gcc 8.3.1 (GCC) 20190414
> configuration: --enable-gpl --enable-version3 --enable-sdl2
> --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
> --enable-libdav1d --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-libaom
> --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid
> --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2
> --enable-avisynth --enable-libopenmpt
> libavutil 56. 28.100 / 56. 28.100
> libavcodec 58. 52.102 / 58. 52.102
> libavformat 58. 27.103 / 58. 27.103
> libavdevice 58. 7.100 / 58. 7.100
> libavfilter 7. 55.100 / 7. 55.100
> libswscale 5. 4.101 / 5. 4.101
> libswresample 3. 4.100 / 3. 4.100
> libpostproc 55. 4.100 / 55. 4.100
> [matroska,webm @ 000000000046a800] Auto-inserting h264_mp4toannexb
> bitstream
> filter
> Input #0, concat, from 'mylist.txt':
> Duration: N/A, start: 0.000000, bitrate: N/A
> Stream #0:0(eng): Video: h264 (High), yuv420p(tv, bt709, progressive),
> 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 20k tbn, 50 tbc
> Output #0, matroska, to 'test.mkv':
> Metadata:
> encoder : Lavf58.27.103
> Stream #0:0(eng): Video: h264 (High) (H264 / 0x34363248), yuv420p(tv,
> bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 25 tbr,
> 1k tbn, 20k tbc
> Stream mapping:
> Stream #0:0 -> #0:0 (copy)
> Press [q] to stop, [?] for help
> [matroska,webm @ 00000000023c9800] Auto-inserting h264_mp4toannexb
> bitstream
> filter
> video:29430401kB audio:0kB subtitle:0kB other streams:0kB global
> headers:0kB
> muxing overhead: 0.013187%
>
>
>
> Part1:
> General
> Complete name :
> C:\Users\Felix\Downloads\Lossless\Movies\Test\temp1.mkv
> Format : Matroska
> Format version : Version 2
> File size : 14.0 GiB
> Duration : 1 h 27 min
> Overall bit rate mode : Variable
> Overall bit rate : 22.9 Mb/s
> Writing application : x264 r2935 545de2f
> Writing library : Haali Matroska Writer b0
>
> Video
> ID : 1
> Format : AVC
> Format/Info : Advanced Video Codec
> Format profile : High at L4.1
> Format settings : CABAC / 3 Ref Frames
> Format settings, CABAC : Yes
> Format settings, RefFrames : 3 frames
> Codec ID : V_MPEG4/ISO/AVC
> Duration : 1 h 27 min
> Bit rate mode : Variable
> Bit rate : 23.0 Mb/s
> Maximum bit rate : 40.0 Mb/s
> Width : 1 920 pixels
> Height : 1 080 pixels
> Display aspect ratio : 16:9
> Frame rate mode : Constant
> Frame rate : 25.000 FPS
> Color space : YUV
> Chroma subsampling : 4:2:0
> Bit depth : 8 bits
> Scan type : Progressive
> Bits/(Pixel*Frame) : 0.443
> Stream size : 13.8 GiB (98%)
> Writing library : x264 core 157 r2935 545de2f
> Encoding settings : cabac=1 / ref=4 /
> deblock=1:-1:-1
> / analyse=0x3:0x133 / me=umh / subme=10 / psy=1 / psy_rd=1.00:0.15 /
> mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 /
> deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-3 / threads=6 /
> lookahead_threads=1 / sliced_threads=0 / slices=4 / nr=0 / decimate=1 /
> interlaced=0 / bluray_compat=1 / constrained_intra=0 / bframes=3 /
> b_pyramid=1 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=1 /
> weightp=1 / keyint=25 / keyint_min=1 / scenecut=40 / intra_refresh=0 /
> rc_lookahead=25 / rc=2pass / mbtree=1 / bitrate=22951 / ratetol=1.0 /
> qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 /
> vbv_maxrate=40000 / vbv_bufsize=30000 / nal_hrd=vbr / filler=0 /
> ip_ratio=1.40 / aq=1:1.00
> Language : English
> Default : Yes
> Forced : No
> Color range : Limited
> Color primaries : BT.709
> Transfer characteristics : BT.709
> Matrix coefficients : BT.709
>
>
>
> Part2:
> General
> Complete name :
> C:\Users\Felix\Downloads\Lossless\Movies\Test\temp2.mkv
> Format : Matroska
> Format version : Version 2
> File size : 14.0 GiB
> Duration : 1 h 27 min
> Overall bit rate mode : Variable
> Overall bit rate : 22.9 Mb/s
> Writing application : x264 r2935 545de2f
> Writing library : Haali Matroska Writer b0
>
> Video
> ID : 1
> Format : AVC
> Format/Info : Advanced Video Codec
> Format profile : High at L4.1
> Format settings : CABAC / 3 Ref Frames
> Format settings, CABAC : Yes
> Format settings, RefFrames : 3 frames
> Codec ID : V_MPEG4/ISO/AVC
> Duration : 1 h 27 min
> Bit rate mode : Variable
> Bit rate : 23.0 Mb/s
> Maximum bit rate : 40.0 Mb/s
> Width : 1 920 pixels
> Height : 1 080 pixels
> Display aspect ratio : 16:9
> Frame rate mode : Constant
> Frame rate : 25.000 FPS
> Color space : YUV
> Chroma subsampling : 4:2:0
> Bit depth : 8 bits
> Scan type : Progressive
> Bits/(Pixel*Frame) : 0.443
> Stream size : 13.8 GiB (98%)
> Writing library : x264 core 157 r2935 545de2f
> Encoding settings : cabac=1 / ref=4 /
> deblock=1:-1:-1
> / analyse=0x3:0x133 / me=umh / subme=10 / psy=1 / psy_rd=1.00:0.15 /
> mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 /
> deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-3 / threads=6 /
> lookahead_threads=1 / sliced_threads=0 / slices=4 / nr=0 / decimate=1 /
> interlaced=0 / bluray_compat=1 / constrained_intra=0 / bframes=3 /
> b_pyramid=1 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=1 /
> weightp=1 / keyint=25 / keyint_min=1 / scenecut=40 / intra_refresh=0 /
> rc_lookahead=25 / rc=2pass / mbtree=1 / bitrate=22952 / ratetol=1.0 /
> qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 /
> vbv_maxrate=40000 / vbv_bufsize=30000 / nal_hrd=vbr / filler=0 /
> ip_ratio=1.40 / aq=1:1.00
> Language : English
> Default : Yes
> Forced : No
> Color range : Limited
> Color primaries : BT.709
> Transfer characteristics : BT.709
> Matrix coefficients : BT.709
>
>
>
> Best
> Felix
>
>
>From my own experience the concat input demuxer only works with conteiners
without global header like TS or MPEG. Other formats must use the concat
filter.
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