Re: [FFmpeg-user] How to build ffmpeg statically with librtmp support

2014-08-18 Thread Han Jiang
if i don't add --extra-libs="-ldl", it errors out saying "ld can not find ldl" no i don't have a static openssl installed in your system, i think the installed one is dynamic. if i don't static compile it , it errors out with error message like "ld can not find -lssl" On Tue, Aug 19, 2014 at 1

Re: [FFmpeg-user] webm_dash_manifest muxer: operation not permitted

2014-08-18 Thread Carl Eugen Hoyos
Christian Ebert gmx.net> writes: > $ ffmpeg -f webm_dash_manifest -i test1.webm Why do you believe that a file with a webm suffix is actually a (xml) manifest? And what's wrong with FFmpeg's file type autodetection? Carl Eugen ___ ffmpeg-user maili

[FFmpeg-user] webm_dash_manifest muxer: operation not permitted

2014-08-18 Thread Christian Ebert
Hi, Has anyone got the webm_dash_manifest muxer to work? I just get this: $ ffmpeg -f webm_dash_manifest -i test1.webm \ > -f webm_dash_manifest -i test1.webm \ > -f webm_dash_manifest -i test2.webm \ > -f webm_dash_manifest -i test3.webm \ > -map 0:a -map 0:v -map 1:v -map 2:v \ > -c copy -f web

Re: [FFmpeg-user] mpegts file seems corrupt but plays back fine in VLC

2014-08-18 Thread Carl Eugen Hoyos
Ibrahim Tachijian gmail.com> writes: > http://expirebox.com/download/408a857ce22351069d97e054fb16f1e1.html 404 Consider using http://www.datafilehost.com/ or read http://ffmpeg.org/bugreports.html (there is no filesize limit). Carl Eugen ___ ffmpeg

[FFmpeg-user] silence in front of generated audio mpegts

2014-08-18 Thread ffmpeguser
Hi all, ../ffmpeg/ffmpeg -i a.ts -acodec aac -strict -2 -loglevel debug audio.ts Input #0, aac, from 'a.ts': Duration: 00:00:05.06, bitrate: 126 kb/s Stream #0:0: Audio: aac, 44100 Hz, stereo, fltp, 126 kb/s if I convert a.ts and audio.ts into .wav I will get two wav files, one of them has

[FFmpeg-user] Detect grayscale intervals or images in a video with ffmpeg

2014-08-18 Thread Num
Hello everyone, I know the blackdetect filter which detects black intervals in a video.I can not find any filter that works identically to detect grayscale/"black and white" intervals in a video.Can I do this with one or a combination of the built-in ffmpeg filters? Thank you,Numid ___

[FFmpeg-user] How to record live video stream and seek stream by given time stamp?

2014-08-18 Thread Robert
I'm trying to set up streaming server with archive playback functionality in it. Is it possible to record live streams with current timestamps (as metadata) and then seek stream by passing time stamp as start position? According to ffserver docs (https://www.ffmpeg.org/ffserver.html) it should be

Re: [FFmpeg-user] ffmpeg detects audio as pcm_s16be, but it seems to be 32bit

2014-08-18 Thread Dietmar Thal
On 08.08.2014 22:30, Carl Eugen Hoyos wrote: Dietmar Thal dequid.net> writes: If needed, i can upload my smallest file Please upload a sample, there is NO filesize limit (there is a ticket for which a 10G sample was uploaded). I uploaded the sample to http://www.datafilehost.com/d/f0563d42

Re: [FFmpeg-user] ffmpeg detects audio as pcm_s16be, but it seems to be 32bit

2014-08-18 Thread Dietmar Thal
On 08.08.2014 22:30, Carl Eugen Hoyos wrote: > Dietmar Thal dequid.net> writes: > >> If needed, i can upload my smallest file > > Please upload a sample, there is NO filesize > limit (there is a ticket for which a 10G > sample was uploaded). I uploaded the sample to http://www.datafilehost.com/d

[FFmpeg-user] Trouble installing ffmpeg

2014-08-18 Thread miss marci
Hello! Til I downloaded the ffmpeg files and then 7-zip, i sort of lost my way. i am used to windows automatically installing and challenged by a manual process. i tried opening 7-zip and then found ffmpeg folders in my downloads folder from within 7-zip. but now i'm not really sure what i'm lo

[FFmpeg-user] mpegts file seems corrupt but plays back fine in VLC

2014-08-18 Thread Ibrahim Tachijian
Hey, There is this one "channel" that we have in local multicast. We can dump the file like this: multicat -uU @239.193.255.221:3302 dump.ts Generates "dump.ts" which plays in VLC just fine. Using the generated "dump.ts" I am trying to do the following command but failing. "./ffmpeg -i dump.ts

Re: [FFmpeg-user] Compiling ffmpeg in QNAP for BubbleUPNP server .. somebody ever heard of this?

2014-08-18 Thread Vittorio Ferrando
Hi, first of all thanks for your tips Since 'downgrading toolchain' looks a bit scary to me I think I could try lowering optimization, and in this case you mean I should pass parameters to make? Vittorio — Sent from Mailbox On Tue, Aug 12, 2014 at 10:20 AM, Carl Eugen Hoyos wrote: > Vittori

Re: [FFmpeg-user] How to build ffmpeg statically with librtmp support

2014-08-18 Thread Carl Eugen Hoyos
Han Jiang gmail.com> writes: > --extra-libs="-ldl" Is this really necessary? > this way it works. but i'm confused by the "build > openssl" part, actually i have openssl installed > in my system You have a static openssl installed in your system without compiling it yourself? Please rememb

Re: [FFmpeg-user] MPEGTS with multiple audio streams containing discrete audio channels to AC3

2014-08-18 Thread Casey Nielson
On Aug 14, 2014, at 10:29 AM, Carl Eugen Hoyos wrote: > Casey Nielson grumpy.com> writes: > >> ffmpeg -i mpegts_test.ts -strict experimental >> -filter_complex "[0:1][0:2][0:3]amerge=inputs=6[aout]" >> -map "[aout]" -c:v libx264 -crf 20 -c:a ac3 -b:a 384k >> -t 30 output.mp4 > > Complete,

Re: [FFmpeg-user] MacOSX Output Question

2014-08-18 Thread Carl Eugen Hoyos
Richard Milewski mozilla.com> writes: > Lots to learn yet, I guess. Yes. Please find out what top-posting means and please avoid it on this mailing list. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listi

Re: [FFmpeg-user] Audio advanced when encoding from ProRes to H.264

2014-08-18 Thread Christian Ebert
* Michael Connolly on Monday, August 18, 2014 at 00:40:53 -0700 > I'm new-ish to encoding with FFMPEG and am hoping you guys can > assist on a confusing issue. > > I'm transcoding from ProRes with PCM audio to H.264 with AAC > audio. After transcoding, my audio track is advanced (appears > earlie

Re: [FFmpeg-user] Combining yuvj422p and yuvj420p

2014-08-18 Thread Cecil Westerhof
Op Tuesday 12 Aug 2014 10:11 CEST schreef Carl Eugen Hoyos: >> Until know all my pictures where in yuv422p, but >> know there where also yuv422p pictures. I had done >> some searching on the internet and somewhere this >> was recommended. > > Where? I found it in a Google search. This was some

Re: [FFmpeg-user] Continuation problem after video concatenation

2014-08-18 Thread Marco Baumgartl
Hey Carl! Thanks for your answer! ffmpeg version 2.1.3 Does it work with current FFmpeg git head? I cloned repository and compiled FFMpeg from the sources: ffmpeg version N-65710-g96d2178 Copyright (c) 2000-2014 the FFmpeg developers Unfortunately the problem still exists. Regards, Marc

[FFmpeg-user] Audio advanced when encoding from ProRes to H.264

2014-08-18 Thread Michael Connolly
Hi y'all, I'm new-ish to encoding with FFMPEG and am hoping you guys can assist on a confusing issue. I'm transcoding from ProRes with PCM audio to H.264 with AAC audio. After transcoding, my audio track is advanced (appears earlier in the file) by about 1.5 frames. This doesn't occur if I t

Re: [FFmpeg-user] overlay png on mxf/prores

2014-08-18 Thread Steven Marcus
Hello, Can anyone help me with an overlay filter that works on mxf/prores sources? I've included the output from the debug log that parses the command line below. The full log is in a previous email on this thread. TIA, ffmpeg version 2.3.2 Copyright (c) 2000-2014 the FFmpeg developers built

Re: [FFmpeg-user] How to build ffmpeg statically with librtmp support

2014-08-18 Thread Han Jiang
i found a working solution . but don't understand why it is like this, can someone explain it? first i compiled openssl cd build/openssl* ./config --prefix=/usr/tmp/tmp/ffmpeg-static/target no-shared make make install then librtmp cd build/rtmp* # patch rtmpdump makefile to include -ldl sed -