[FFmpeg-user] ffmpeg recording RTSP stream with audio out of sync

Calvert, Andy Andy.Calvert at prozonesports.com
Mon Jun 27 11:36:56 CEST 2016

Hi Carl,

See below

-----Original Message-----
From: ffmpeg-user [mailto:ffmpeg-user-bounces at ffmpeg.org] On Behalf Of Carl Eugen Hoyos
Sent: 27 June 2016 10:19
To: ffmpeg-user at ffmpeg.org
Subject: Re: [FFmpeg-user] ffmpeg recording RTSP stream with audio out of sync

Calvert, Andy <Andy.Calvert <at> prozonesports.com> writes:

> C:\STREAMTEST>c:\ffmpeg\ffmpeg

> -channel_layout mono

Is this option necessary to reproduce the issue?

The audio stream is mono, same issue whether I have this option or not

> -i "rtsp://"

> -c:v copy

> -bsf:a aac_adtstoasc

Why are you using the bitstream filter?

Not exactly sure why, I seem to have more success with this option in the past so stuck with it. Maybe because I had been using older versions of ffmpeg however, would you recommend to try -c:a libvo_aacenc

> -y -t 10 -movflags faststart

Is the issue also reproducible without faststart?

Same issue with or without faststart

> "streamtest_high_30012015_102911.mp4"

> ffmpeg version N-69406-ga73c411

Please test current FFmpeg git head.

Will do

Carl Eugen


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