I try to record an opus stream into segment files while retaining
timestamps. But ffmpeg creates a lot of very small files much faster
than what I set for -segment_time. Latest ffmpeg version that I tested
was 5.1.1.
My command is something like
ffmpeg -i somestream.opus -c copy -copyts -f segmen
Ok, here is an example command:
$ ffmpeg -i http://volosatoff.ru:8008/euro.opus -c copy -copyts -t 25
-f segment -segment_time 10 -reset_timestamps 0 -strftime 0
recording-%05d.opus
Output in terminal:
ffmpeg version 4.4.2-1sergeyd9.9~18.04.1 Copyright (c) 2000-2021 the
FFmpeg developers
built
I also tried by ffmpeg version N-109444-geef763c705 and the same thing happened.
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I created a ticket: https://trac.ffmpeg.org/ticket/10120#ticket
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Suppose you have recorded an Opus stream with -copyts. Then
ffprobe -v error -show_entries format=start_time,duration -- recording.opus
shows non-zero start_time and possibly huge duration that does not
reflect to the file size. I think you get the actual duration of the
recording by subtracting
On Fri, Dec 30, 2022 at 3:34 PM Reindl Harald wrote:
> the days where duration and filesize are hard connected are long gone,
> even for MP3 everybody with soime basic knowledge is using VBR because
> it saves 16% stoarge while keep identical or even better quality
Yes I know, but the duration t
On Fri, Dec 30, 2022 at 6:54 PM Ferdi Scholten wrote:
> Try using this together with -copyts
>
> -start_at_zero
>
> When used with copyts, shift input timestamps so they start at zero.
I do not see what is the use of using -copyts, if that resets the
timestamps anyway with -start_at_zero. I w
Some audio streams may have StreamTitle metadata that will change from
time to time. How do you record that changing information so that you
can later show the title when the recording is being played? Are there
some standard tags that can be used to denote e.g. current program
name or current song
Is it better to use stream_segment than segment muxer with oga or ogg? What is
the advantage?
-- Jarno Suni - http://iki.fi/8/
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? The documentation says: "The segment muxer works best with
a single constant frame rate video." Some of the recorded audio-only streams
may have variable bitrate. What kind of issues you may expect from that?
--
Jarno Suni - http://iki.fi/8/
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