[FFmpeg-trac] #7330(avcodec:new): ffmpeg 4.0 fails to transcoding one 4k clip

FFmpeg trac at avcodec.org
Fri Jul 27 17:57:06 EEST 2018


#7330: ffmpeg 4.0 fails to transcoding one 4k clip
------------------------------------+--------------------------------------
             Reporter:  applemax82  |                     Type:  defect
               Status:  new         |                 Priority:  normal
            Component:  avcodec     |                  Version:  git-master
             Keywords:  Intel qsv   |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+--------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % ffmpeg -nostdin -y -hwaccel qsv -c:v h264_qsv -i src_AVC_4K.mp4 -b:a
 80000 -ar 44100 -c:v h264_qsv -g 300 -profile:v high -preset veryfast -c:a
 libfdk_aac -max_muxing_queue_size 4000 -b:v 17418000 -movflags +faststart
 -strict -3 -vsync passthrough -f mp4 dst_AVC_4K.mp4
 ffmpeg 4.0.2 + 4.0


 ffmpeg version 4.0 Copyright (c) 2000-2018 the FFmpeg developers
   built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-16)
   configuration: --enable-version3 --enable-asm --enable-x86asm --enable-
 avfilter --disable-static --enable-shared --enable-gpl --enable-nonfree
 --prefix=/usr/local/ --enable-libvidstab --enable-libass --enable-
 libfreetype --extra-libs=-lfreetype --enable-libtesseract --enable-
 libfdk_aac --enable-libmp3lame --enable-libx264 --enable-libopenjpeg
 --enable-libwebp --enable-libx265 --enable-libvorbis --extra-
 cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib --enable-
 stripping --enable-libmfx
   libavutil      56. 14.100 / 56. 14.100
   libavcodec     58. 18.100 / 58. 18.100
   libavformat    58. 12.100 / 58. 12.100
   libavdevice    58.  3.100 / 58.  3.100
   libavfilter     7. 16.100 /  7. 16.100
   libswscale      5.  1.100 /  5.  1.100
   libswresample   3.  1.100 /  3.  1.100
   libpostproc    55.  1.100 / 55.  1.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'src_AVC_4K.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf58.12.100
   Duration: 00:00:03.05, start: 0.000000, bitrate: 42590 kb/s
     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
 3840x2160 [SAR 1:1 DAR 16:9], 43119 kb/s, 29.97 fps, 29.97 tbr, 30k tbn,
 59.94 tbc (default)
     Metadata:
       handler_name    : VideoHandler
     Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
 stereo, fltp, 82 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (h264_qsv) -> h264 (h264_qsv))
   Stream #0:1 -> #0:1 (aac (native) -> aac (libfdk_aac))
 [h264_qsv @ 0x22b8480] Encoder will work with partial HW accelerationte=
 -0.0kbits/s speed=N/A
 [h264_qsv @ 0x22b8480] Error initializing the encoder: invalid video
 parameters (-15)
 Error initializing output stream 0:0 -- Error while opening encoder for
 output stream #0:0 - maybe incorrect parameters such as bit_rate, rate,
 width or height
 [libfdk_aac @ 0x23b12c0] 2 frames left in the queue on closing
 Conversion failed!


 src_AVC_4K.mp4 can be downloaded via the link url:
 https://drive.google.com/file/d/15X7RYIEEvInN8y1gqrZax3-ZGjpcJQ_C/view?usp=sharing


 Is it a ffmpeg bug?



 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7330>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list