[FFmpeg-user] Question about encoding DVCPRO50

[Paul B Mahol]

On Wed, Jun 21, 2023 at 9:16 PM Hamza El farissi <smexxxrecords at gmail.com>
wrote:

> I think FFmpeg is capable of doing it, you just need to have the right
> command line for it.
>
> When I open the FFmpeg_Master file, go to the libavformat file and open the
> dvenc.c file this is what I find at the beginning of the code as a comment.
>
> General DV muxer/demuxer
>  * Copyright (c) 2003 Roman Shaposhnik
>  *
>  * Many thanks to Dan Dennedy <dan at dennedy.org> for providing wealth
>  * of DV technical info.
>  *
>  * Raw DV format
>  * Copyright (c) 2002 Fabrice Bellard
>  *
>  * 50 Mbps (DVCPRO50) support
>  * Copyright (c) 2006 Daniel Maas <dmaas at maasdigital.com>
>  *
>  * This file is part of FFmpeg.
>
> So I assume FFmpeg is capable of encoding a DVCPRO50 file.


fate-lavf-mxf_d10: CMD = lavf_container "-ar 48000 -ac 2" "-r 25 -vf
scale=720:576,pad=720:608:0:32 -c:v mpeg2video -g 0 -flags +ildct+low_delay
-dc 10 -non_linear_quant 1 -intra_vlc 1 -qscale 1 -ps 1 -qmin 1
-rc_max_vbv_use 1 -rc_min_vbv_use 1 -pix_fmt yuv422p -minrate 30000k
-maxrate 30000k -b 30000k -bufsize 1200000 -top 1 -rc_init_occupancy
1200000 -qmax 12 -f mxf_d10"

fate-lavf-mxf_dv25: CMD = lavf_container "-ar 48000 -ac 2" "-r 25 -vf
scale=720:576,setdar=4/3 -c:v dvvideo -pix_fmt yuv420p -b 25000k -top 0 -f
mxf"

fate-lavf-mxf_dvcpro50: CMD = lavf_container "-ar 48000 -ac 2" "-r 25 -vf
scale=720:576,setdar=16/9 -c:v dvvideo -pix_fmt yuv422p -b 50000k -top 0 -f
mxf"

fate-lavf-mxf_dvcpro100: CMD = lavf_container "-ar 48000 -ac 2" "-r 25 -vf
scale=1440:1080,setdar=16/9 -c:v dvvideo -pix_fmt yuv422p -b 100000k -top 0
-f mxf"




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