[FFmpeg-user] How to compress .MOV file compatible to Canon camera

[Ulf Zibis]

Am 11.03.20 um 13:50 schrieb Moritz Barsnick:
> On Wed, Mar 11, 2020 at 13:25:45 +0100, Ulf Zibis wrote:
>> Anyway, does my command line have the right syntax?
>> ffmpeg -i MVI_1324.MOV -c:a copy -c:v h264_vaapi -profile:v
>> constrained_baseline -level 4.1 MVI_1324.mov
> It's syntactically correct, but it won't suffice. You need some more
> "trickery" in order to do HW supported encode.
>
> I have little experience myself, so I can only point to this page,
> which explains it quite nicely (AFAICT):
>
> https://trac.ffmpeg.org/wiki/Hardware/VAAPI

Thanks for the great pointer.

 From this tutorial I get:
$ ~/Projects/ffmpeg/dev_2/ffmpeg -vaapi_device /dev/dri/renderD128 -i
MVI_1324.MOV -c:a copy -vf 'format=nv12,hwupload' -c:v h264_vaapi
-profile:v constrained_baseline -level 4.1 -map_metadata 0 -movflags
+faststart MVI_1324.mov
ffmpeg version N-96935-g34d7c8d942 Copyright (c) 2000-2020 the FFmpeg
developers
   built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
   configuration:
   libavutil      56. 42.100 / 56. 42.100
   libavcodec     58. 75.100 / 58. 75.100
   libavformat    58. 41.100 / 58. 41.100
   libavdevice    58.  9.103 / 58.  9.103
   libavfilter     7. 77.100 /  7. 77.100
   libswscale      5.  6.100 /  5.  6.100
   libswresample   3.  6.100 /  3.  6.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'MVI_1324.MOV':
   Metadata:
     major_brand     : qt
     minor_version   : 537331968
     compatible_brands: qt  CAEP
     creation_time   : 2020-02-05T20:17:27.000000Z
   Duration: 00:00:29.10, start: 0.000000, bitrate: 23351 kb/s
     Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 /
0x31637661), yuvj420p(pc, smpte170m/bt709/bt709), 1280x720, 23228 kb/s,
29.97 fps, 29.97 tbr, 30k tbn, 60k tbc (default)
     Metadata:
       creation_time   : 2020-02-05T20:17:27.000000Z
     Stream #0:1(eng): Audio: pcm_u8 (raw  / 0x20776172), 12000 Hz,
mono, u8, 96 kb/s (default)
     Metadata:
       creation_time   : 2020-02-05T20:17:27.000000Z
File 'MVI_1324.mov' already exists. Overwrite? [y/N] y
Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_vaapi))
   Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[swscaler @ 0x561213fdfa80] deprecated pixel format used, make sure you
did set range correctly
[h264_vaapi @ 0x561213e138c0] No usable encoding profile found.
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
Conversion failed!

Does anyone know, how to set the pixel format correctly?

-Ulf