[FFmpeg-user] problem of transcoding HD DVB-T program

Soundwin / Andy andy.cheng at soundwin.com
Fri Jun 20 08:44:56 CEST 2014


Thank you!

I recompile the ffmpeg which includes the libfdk_aac to get better quality
of audio.


Andy
-----Original Message-----
From: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-bounces at ffmpeg.org]
On Behalf Of Carl Eugen Hoyos
Sent: Thursday, June 19, 2014 6:38 AM
To: ffmpeg-user at ffmpeg.org
Subject: Re: [FFmpeg-user] problem of transcoding HD DVB-T program

Soundwin / Andy <andy.cheng <at> soundwin.com> writes:

> /home/soundwin/ffmpeg -re -f mpegts -i udp://127.0.0.1:50000 -c:v libx264
> -preset slow -crf 23 -b:v 1000k -bufsize 1000k -pix_fmt yuv420p -g 50
> -acodec libvo_aacenc -b:a 128k -ac 2 -ar 44100 -loglevel debug
> -hls_time 5 -hls_wrap 100 -f hls /mnt/video/1/E139091DC956.m3u8

Note that libvo_aacenc is said to produce worse quality 
than the native - experimental - encoder.

Carl Eugen

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