2016-11-25 20:28 GMT+08:00 qw :
> Hi,
>
>
> I have two questions about ffmpeg usage:
>
>
> 1)
> How to edit metadata in flv file by using ffmpeg, such as changing some
> key's value in flv file's metadata tag?
>
yes, you are right
>
>
> 2)
> Normally, there are two streams in flv files, i.e. audi
On Fri, Nov 25, 2016 at 05:58:58PM +, Andy Furniss wrote:
> Yes, that one is 50fps duped. Maybe they do it so they can switch
> between 25 and 50 easily within the same file if needed.
>
> Strange encode, though = this one has cabac but no b frames.
Didn't try to analyze it, but that might ex
I met a very strange phenomenon in decoding mp3 to pcm data in ios pad. I have
tested the code on windows 10, it works correctly.However, with the same mp3
file and the same code runing on ios pad , the pcm data become total white
noise.
I have compare the input compressed data(mp3) and the dec
Toerless Eckert wrote:
On Thu, Nov 24, 2016 at 12:36:52PM +, Andy Furniss wrote:
Aka: Don't see anything that would indicate frame duplication,
so all i can do is trust the step by step playback from vlc or
mplayer.
I can't reproduce getting ffmpeg to call 50fps or mplayer/vlc to
dup on fr
From: Zsolt
Reply: FFmpeg user questions
Date: November 25, 2016 at 5:43:17 AM
To: FFmpeg user questions
Subject: [FFmpeg-user] output sequential filename offset
Hello guys,
> I'm encoding live stream to mp4 files, each file is 5 minutes long.
> I use this command at the end: /dev/shm/video
Hi,
I have two questions about ffmpeg usage:
1)
How to edit metadata in flv file by using ffmpeg, such as changing some key's
value in flv file's metadata tag?
2)
Normally, there are two streams in flv files, i.e. audio and video streams. I
want to keep some part empty of in audio or video
Hello guys,
I'm encoding live stream to mp4 files, each file is 5 minutes long.
I use this command at the end: /dev/shm/video_$NAME1-%04d.mp4
It starts counting from zero, so .mp4, 0001.mp4 and so on.
What I'd like to modify is to set an offset.
For example, start counting from 10, like 0010.m