On Tue, 7 Mar 2017, Michele Monteferrante wrote:
Sorry,
I was not clear. What I want is a function of time, a graph.
x: time in seconds
Y: amplitude in whatever format
This file must be a simple text file which,for example, I can plot with
Gnuplot and edit whit vim.
Would maybe SoX be a better
On Sun, 12 Jul 2015, jd1008 wrote:
No, it is not digitized yet.
I have plenty of audio tools installed - but not certain what
else I might need.
Personally, I prefer sox for this sort of thing.
Also, arecord would do just as well.
SoX, I believe, has notes in the man page about doing this e
On Mon, 16 Mar 2015, Tim Beyer wrote:
thanks for that! One problem is still consistent - when I reattach to that
window, how can I deattach again? The while loop always kicks me back into
the process - I can't end it with "q", neither can I deattach with "ctrl+a
and d" or "ctrl+c".
Why do you
On Mon, 16 Mar 2015, Tim Beyer wrote:
I am running Jon Severinsson's PPA on Ubuntu 14.04 in a screened process -
it is a player that reads video files out of a folder, randomly. The whole
process goes through a while loop. In the screen session the switchting
between files works fine - but I can
On Thu, 19 Feb 2015, Matt Conway wrote:
Compiled ffmpeg from source with libx264, the same command works from a
windows desktop, below is the output. Trying to stream an RTSP input to
ustream. When streaming from Raspberry Pi 2 it comes out incorrectly on
What is the processor specification of
On Wed, 5 Nov 2014, blue...@caramail.com wrote:
"Moritz Barsnick" wrote:
This is the technicality which needs to be understood. If the source is
what Carl Eugen has identified, there is no digital indication that
this is "Dolby Surround". You will identify two channels which can be
played on
On Sat, 25 Oct 2014, Felix E. Klee wrote:
Thanks Luke! Hm, I thought it was standard feature. But being not, I
Of ffmpeg? The ability to add to the list of sources after the process has
started? I highly doubt it.
I have never seen a feature like that in ffmpeg described. Maybe you need th
On Sat, 25 Oct 2014, Felix E. Klee wrote:
Thanks for the links, but: *Can't I do that from ffmpeg?*
Thing is, I want to script switching of streams, and I want to have
the option to later use another server for broadcasting.
Unless I am mistaken (I have only done this with audio, icecast, etc
On Fri, 12 Sep 2014, Stefano Sabatini wrote:
I also had some limited success with webm files, but there are a few
limitations in ffserver which make it harder than expected to produce
them (I can provide some details if you want).
I want--I gave up on this about a month ago.:)
Luke
_
On Wed, 20 Aug 2014, Qianliang Zhang wrote:
You know, while doing x264 encode, -preset can do a good job. Current
presets in descending order of speed are: ultrafast, superfast, veryfast,
faster, fast, medium, slow, slower, veryslow, placebo. But what are these
values stand for? What parameters
On Tue, 29 Jul 2014, david reid wrote:
On Tue, Jul 29, 2014 at 5:13 PM, Luke Davis wrote:
How does this HLS behave with non-apple TV devices? (I.E. iPhones or iPods)
Just checking on an iPad now! Not sure why I hadn't thought of trying that
sooner.
OK, so on an iPad it's working
On Tue, 29 Jul 2014, david reid wrote:
Mark, I'd like to, but am not presently enrolled in the iOS developer
program.
$99 seems a lot just to get their validator, but maybe the only way to
debug :-(
Can you send a copy of the generated .m3u8, maybe at the start, and again at the
point where t
I believe somebody (Carl) said this was fixed in the latest version, but in a
compilation of a version obtained an hour ago from latest, it is still happening
when segmenting...
[mpegts @ 0x2e73ea0] Using AVStream.codec.time_base as a timebase hint to the
muxer is deprecated. Set AVStream.time
On Thu, 24 Jul 2014, Nicolas George wrote:
Le quintidi 5 thermidor, an CCXXII, Luke Davis a écrit :
Any idea _why_ they might be dropped?
The "drop=" statistics corresponds to frames that were dropped to
accommodate the output frame rate. With the segment muxer, ffmpeg
automatical
On Tue, 22 Jul 2014, Carl Eugen Hoyos wrote:
Luke Davis newanswertech.com> writes:
1. What damage is actually happening to my outgoing
stream here, and is this a problem that can eventually
disrupt the stream? I assume it is frames being
dropped?
Only you can look at (analyze) the in
On Tue, 22 Jul 2014, Carl Eugen Hoyos wrote:
Luke Davis newanswertech.com> writes:
[sdp0x1fcc0a0] Concatenated H.264 or H.265
might not play correctly.drop=5
The drop number increases over time.
The source is sending 15 FPS, with a keyframe every 5.
So my questions are:
1. W
On Tue, 22 Jul 2014, Luke Davis wrote:
On Tue, 22 Jul 2014, Matej wrote:
I have tried to use local TS file and -f lavfi -i sine as inputs and the
muxing errors about delays start to show up immediately, so it's the same
situation as with the video input and -f lavfi -i sine sound.
Any
Hi
I am trying to use ffserver to transcode some MPEGTS files (an HLS) to webm.
Configs below.
I am using ffmpeg launched from within ffserver. The error I am seeing with
ffserver -d, is:
[libvpx @ 0x2b22740] Failed to set VP8E_SET_ARNR_TYPE codec control: Invalid
parameter
[libvpx @ 0x2b2
On Tue, 22 Jul 2014, Matej wrote:
I have tried to use local TS file and -f lavfi -i sine as inputs and the
muxing errors about delays start to show up immediately, so it's the same
situation as with the video input and -f lavfi -i sine sound.
Any ideas on what is causing the problem and how to
On Tue, 22 Jul 2014, Anssi Saari wrote:
I tried to convert an flv file that my TV doesn't like to mp4 with ffmpeg but
all
I got was "protocol not found"... As it turns out, the file was named
Teinipomo-2014-07-11T19:30:05.flv and apparently that somehow confuses ffmpeg to
think there's some kin
Hello
I am taking streamed data from QuickTime Broadcaster. It streams audio on one
port, and H264 video on another port.
I am receiving that data with FFMpeg, and creating an HLS of MPEGTS segments
from it.
The stream works fine most of the time, but I receive the following,
continuously:
On the page:
https://trac.ffmpeg.org/wiki/Encode/H.264
It states:
You can see a list of current presets with -preset help, and what settings they
apply with x264 --fullhelp.
I get "trailing options were found on the commandline", with 2.2 compiled today,
if I use "ffmpeg -preset help".
I
22 matches
Mail list logo