[FFmpeg-trac] #7724(undetermined:new): [FFmpeg-vaapi] HEVC 4K/FHD to AVC 4K/FHD transcoding failed
FFmpeg
trac at avcodec.org
Wed Feb 13 07:11:24 EET 2019
#7724: [FFmpeg-vaapi] HEVC 4K/FHD to AVC 4K/FHD transcoding failed
-------------------------------------+-------------------------------------
Reporter: andreyor | Owner:
Type: defect | Status: new
Priority: normal | Component:
| undetermined
Version: git-master | Resolution:
Keywords: vaapi | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by fulinjie):
Can not reproduce on my side without the sample.
Tested with the same ffmpeg version, and it works.
{{{
ffmpeg -hwaccel vaapi -y -vaapi_device /dev/dri/renderD128
-hwaccel_output_format vaapi -i
/home/linjiefu/Videos/sourceVideo/4K_hevc.h265 -c:v h264_vaapi -b:v 25000k
-minrate:v 25000k -maxrate:v 25000k -compression_level 4 -g 256 -bf 2
0001_4K02_1_0.h264
ffmpeg version N-93001-g87c165c237 Copyright (c) 2000-2018 the FFmpeg
developers
built with gcc 7 (Ubuntu 7.3.0-27ubuntu1~18.04)
configuration: --enable-libmfx --disable-optimizations --enable-debug=3
--disable-stripping --enable-gpl --enable-libopenh264 --enable-libass
--enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-
libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-
libx265 --enable-nonfree --samples=fate-suite/
libavutil 56. 26.100 / 56. 26.100
libavcodec 58. 44.100 / 58. 44.100
libavformat 58. 26.100 / 58. 26.100
libavdevice 58. 6.101 / 58. 6.101
libavfilter 7. 48.100 / 7. 48.100
libswscale 5. 4.100 / 5. 4.100
libswresample 3. 4.100 / 3. 4.100
libpostproc 55. 4.100 / 55. 4.100
Input #0, hevc, from '/home/linjiefu/Videos/sourceVideo/4K_hevc.h265':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: hevc (Main), yuv420p(tv), 3840x2160 [SAR 1:1 DAR
16:9], 50 fps, 50 tbr, 1200k tbn, 50 tbc
Stream mapping:
Stream #0:0 -> #0:0 (hevc (native) -> h264 (h264_vaapi))
Press [q] to stop, [?] for help
Output #0, h264, to '0001_4K02_1_0.h264':
Metadata:
encoder : Lavf58.26.100
Stream #0:0: Video: h264 (h264_vaapi) (High), vaapi_vld, 3840x2160
[SAR 1:1 DAR 16:9], q=-1--1, 25000 kb/s, 50 fps, 50 tbn, 50 tbc
Metadata:
encoder : Lavc58.44.100 h264_vaapi
frame= 30 fps=0.0 q=-0.0 Lsize= 2092kB time=00:00:00.58
bitrate=29544.4kbits/s speed=0.999x
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7724#comment:2>
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