only compensate in a positive
direction (it should be dropping 49 samples not inserting 49)?
Thanks for any help,
Deron
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On 4/14/19 10:42 AM, Carl Zwanzig wrote:
On 4/14/2019 7:14 AM, Deron wrote:
What appears to happen is some audio timestamp drift error is
noticed, compensation is applied that perhaps has a math sign error,
a whole lot of silence is inserted, the incoming data is ignored
because
to provide complete uncut console data, but it is 50mb! Hopefully
this is enough that someone can guide me to a solution!
Thanks,
Deron
Command (without proper shell quoting because it is not issued from the
shell):
ffmpeg -loglevel 90 -f lavfi -i
movie=/dev/dvb/adapter0/dvr0:f=mpegts:s=dv+da
Hello,
I see the latest patches for SCTE-35 insertion into HLS (even if the
important parts are not applied yet), but how do I actually generate an
mpegts with SCTE-35 markers?
Thanks,
Deron
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On 1/10/16 4:29 PM, Deron wrote:
I'm using ffmpeg to generate an HLS stream from a tv tuner capture
card, and while it generates the sub-streams nicely, it seems that the
two streams get out of sync pretty quickly for some stations. What I
mean by that is the segments numbers (and the EXT-X
of two sub-streams chopping
into 2 second segments) would solve the problem but I don't know of any
way to do that except write an libav* app?
Any suggestions?
Deron
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it (and would prefer something a bit more secure anyway) but I'm
wondering if anyone has recommendation on most efficient way. Can sshfs
keep up (yes, the bandwidth is not a problem), does ftp cause problems?
Thanks for any thoughts,
Deron
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k in which case it sounds like
you would need the Decklink Extreme card. Do you know what line your
device is putting the VANC on?
Deron
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someone out there had a
decklink card that could capture live tv in North America. Having some
real world data to look at would make creating the CEA 708 output easier...
Deron
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independent copies of ffmpeg, I don't think there is a shared
internal buffer to increase. Hopefully you will get some more useful
advice from others.
Deron
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On 9/2/15 8:44 PM, Deron wrote:
I have several files that when I try and cut out a chunk of it, I get
a file that is 100+ seconds longer than I asked for.
It appears to be related to the subtitle stream. If I generate the
original without the subtitle stream, then I get the file segment I
the subtitle, it get something 100+ seconds longer
than I ask for. What could I do to correct this or determine more
specifically what the problem is?
Deron
ffmpeg -i "/work/disk1/HD-IFYL1081.mp4" -map 0 -ss 58.908909 -t
1175.709106 -c:v libx264 -preset veryfast -qp 0 -ac 2 -ar 48000 -c:s
m
On 7/25/15 9:57 AM, Carl Eugen Hoyos wrote:
Deron deron at pagestream.org writes:
Well, my rtmpdump _does_ work. It claims to be v2.4 and I was able to
get the stream and pipe it to ffmpeg. Inelegant, but it works. Sadly,
the audio/video is out of sync by about 75ms. Just enough to be annoying
used -itsoffset (and mapping
of course) in the past to fix sync issues, but that obviously won't help
if I don't have the streams split _before_ it gets to ffmpeg. Any solution?
Thanks
Deron
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. 3.100
Closing connection: NetStream.Play.StreamNotFound
rtmp://cp258849.live.edgefcs.net/live/SonLife0616@327662: Unknown error
occurred
Where can I learn more about how to decipher the RTMP url into parts
that ffmpeg needs?
Thanks,
Deron
I decided to give the built in decklink output a test today and about
2/3 of the files I try and play cause it to crash. I'm hoping I'm just
missing some vital parameter. I've included uncut console output from
running under gdb.
Deron
ffmpeg -i /work/THE AUTO CHANNEL/ACTIVE SPOTS/spot
to be generated?
What does it mean?
Thanks!
Deron
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On 4/21/15 2:51 AM, Marton Balint wrote:
On Mon, 20 Apr 2015, Deron wrote:
On 4/20/15 4:22 PM, Marton Balint wrote:
On Mon, 20 Apr 2015, Deron wrote:
On 4/20/15 1:48 PM, Marton Balint wrote:
On Mon, 20 Apr 2015, Deron wrote:
Another user has contacted me with the exact same problem
On 4/20/15 4:22 PM, Marton Balint wrote:
On Mon, 20 Apr 2015, Deron wrote:
On 4/20/15 1:48 PM, Marton Balint wrote:
On Mon, 20 Apr 2015, Deron wrote:
Another user has contacted me with the exact same problem hoping
that I stumbled on a solution for the below problem. I did not, so
I am
On 4/20/15 1:48 PM, Marton Balint wrote:
On Mon, 20 Apr 2015, Deron wrote:
Another user has contacted me with the exact same problem hoping that
I stumbled on a solution for the below problem. I did not, so I am
adding some more extensive log output in hopes that someone might
recongize
Another user has contacted me with the exact same problem hoping that I
stumbled on a solution for the below problem. I did not, so I am adding
some more extensive log output in hopes that someone might recongize the
source of the problem.
Thanks,
Deron
On 1/25/15 8:41 AM, Deron wrote
On 2/25/15 3:58 PM, Deron wrote:
On 2/25/15 11:00 AM, Deron wrote:
I'm trying to generate a number of HLS streams from a single source
including using the new webvtt for cc.
The following command:
ffmpeg -i test.ts -vn -f hls -hls_segment_filename a.%d.ts -y a.m3u8
Works as expected
On 2/27/15 10:01 AM, Nicolas George wrote:
Le nonidi 9 ventôse, an CCXXIII, Deron a écrit :
As it turns out, movie=test.ts[out0+subcc] generates a rawvideo
stream. No audio.
So what happens to the audio, and how do I get it??? What good is
subtitles if I loose the audio?
Have you
it out without changing the input? I ultimately need to
generate multiple streams including cc from a single input, so I can't
remove cc from the input.
Thanks,
Deron
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On 2/25/15 11:00 AM, Deron wrote:
I'm trying to generate a number of HLS streams from a single source
including using the new webvtt for cc.
The following command:
ffmpeg -i test.ts -vn -f hls -hls_segment_filename a.%d.ts -y a.m3u8
Works as expected, but
ffmpeg -f lavfi -i movie=test.ts
On 2/10/15 3:20 AM, Stefano Sabatini wrote:
On date Saturday 2015-02-07 22:15:58 -0700, Deron wrote:
I'm trying to capture ATSC with a tuner card and stream it out via
HLS. I've got it more or less working, and now I would like to try
my hand and streaming out closed captioning in WebVTT
+subcc] -map s -f segment
-segment_time 10 -segment_format webvtt WPEC-%05d.vtt
fails to generate segments. What it generates is just one segment named
WPEC-0.vtt.
What am I doing wrong?
Deron
Complete uncut output:
# ffmpeg -f lavfi -i movie=WPEC.ts[out0+subcc] -map s -f segment
On 1/23/15 2:30 PM, Deron wrote:
On 1/23/15 9:28 AM, Deron wrote:
I would like to generate 4 different HLS (sub)streams from a single
DVB capture, but ffmpeg fails to keep up with more than 2. Yes, I
have the CPU power and I'm writing to a ram disk (or SSD, doesn't
matter). I have a dual
On 1/23/15 9:28 AM, Deron wrote:
I would like to generate 4 different HLS (sub)streams from a single
DVB capture, but ffmpeg fails to keep up with more than 2. Yes, I have
the CPU power and I'm writing to a ram disk (or SSD, doesn't matter).
I have a dual tuner capture card and can generate
did not look correct, as far as I understand
it (which is what I am trying to learn, so my understanding is very
limited!).
Thanks,
Deron
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On 9/25/14 10:39 AM, Carl Eugen Hoyos wrote:
Deron deron at pagestream.org writes:
I tried
ffmpeg -i test.avi -c:v libx264 -bsf h264_mp4toannexb
-f h264 -an -y test.h264
Why did you add h264_mp4toannexb?
Did you try without?
(Note that you do not have to specify -an, -f h264 and
-vcodec
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