Re: [Libav-user] H.264 nal decode

2012-04-10 Thread srikanta mondal
Thank you for reply. @kalileo I have simply got the UDP socket and get the byte array from it. Now that byte array is basically the x264_nal_t*(p_payload[0]) from sender side. That encoded byte array come to client side. Now I want to decode that array with its corresponding parameter values. I

Re: [Libav-user] H.264 nal decode

2012-04-10 Thread NITIN GOYAL
Hey do all ur raw payload u r sending to the decoding function are in NAL format like 0001xRawpayload format?? I have done the same thing with the RTP packets. Removed RTP headers inserted NAL start prefix headers i.e. 0001 before each NAL and then entered the data to decoding functions. And if

Re: [Libav-user] H.264 nal decode

2012-04-10 Thread Kalileo
On Apr 10, 2012, at 13:19 , srikanta mondal wrote: Thank you for reply. @kalileo I have simply got the UDP socket and get the byte array from it. you could also use the ffmpeg libraries to do that. Now that byte array is basically the x264_nal_t*(p_payload[0]) from sender side. Is it?

Re: [Libav-user] avcodec_open seg fault?

2012-04-10 Thread Andrey Utkin
2012/4/10 Jeremy Graham jgra...@cs.unc.edu: Actually, I will go ahead and try to post what I think is the relevant code.  This comes almost directly from the api_example found at this URL: http://cekirdek.pardus.org.tr/~ismail/ffmpeg-docs/api-example_8c-source.html That seem to be quite old

[Libav-user] How to get current pts after 'av_seek_frame' without calling 'av_read_frame'?

2012-04-10 Thread Pavel Sokolov
Hi All! How to get current pts after 'av_seek_frame' without calling 'av_read_frame'? -- With best regards, Pavel A. Sokolov mobile: +7(921)419-1819 skype: pavel_a_sokolov ___ Libav-user mailing list Libav-user@ffmpeg.org

[Libav-user] ffmpeg support for GTP and IPSEc????

2012-04-10 Thread NITIN GOYAL
Do ffmpeg supports stream with IPsec and GPRS tunneling (GTP)? I have not found any reference of any of them? I have a RTP stream which is GTP and protected by IPSec so, will i able to decode or depacketize the content using ffmpeg? Any idea on this. If someone have idea about any other tool

Re: [Libav-user] H.264 nal decode

2012-04-10 Thread srikanta mondal
Thanks all for reply. However I have got the H.264 compression using libX264 from * http://stackoverflow.com/questions/2940671/how-to-encode-series-of-images-into-h264-using-x264-api-c-c * and it is working fine for making video. @NITIN GOYAL I have found in each nal frame contain the starting

Re: [Libav-user] Compiling ffmpeg libraries on Windows 64-bit with x264 decoding support

2012-04-10 Thread Andrey Utkin
2012/4/10 William Kreamer william.krea...@systemstechnologyresearch.com: Hello, I'm trying to compile ffmpeg developer libraries with support for decoding with the x264 decoder. I found the instructions below. Before I try them out, has anyone successfully used the instructions below? Is

[Libav-user] -itoffset issue

2012-04-10 Thread Craig Murray
Sorry for all the newbie questions, I'm doing my best and spending lots of time working at it before I mail the list. :) given two one-second sounds I'm trying to concatenate them using several approaches. None of them seem to be working: Using -itsoffset *ffmpeg -i beep-1.mp3 -itsoffset

Re: [Libav-user] -itoffset issue

2012-04-10 Thread Craig Murray
I should add that if I -map 0:0 -map 1:0 it seems to merge them, but still no -itsoffset on the 2nd one. ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user

Re: [Libav-user] Linking ffmpeg libraries on Windows

2012-04-10 Thread Gustav González
2012/4/5 Alex Cohn alexc...@netvision.net.il: Do you use any av_* functions that the linker does not complain about? I think you have the linking syntax wrong. -L normally points to a directory, not a file. Also, zeranoe provides the import libraries in /lib directory. Thus, you probably

[Libav-user] jpg quality using image2

2012-04-10 Thread Craig Murray
From the command line are there are flags to set the jpeg quality when doing an -image2 conversion? I couldn't find anything in the documentation. ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user

Re: [Libav-user] jpg quality using image2

2012-04-10 Thread Carl Eugen Hoyos
Craig Murray craigmurray100@... writes: From the command line are there are flags to set the jpeg quality -qscale (Note that this is in no way image2-related, you can use the mjpeg-encoder in other containers, and there are many codecs usable in image2 that do not support qscale.) Carl Eugen

Re: [Libav-user] -itoffset issue

2012-04-10 Thread Carl Eugen Hoyos
Craig Murray craigmurray100@... writes: given two one-second sounds I'm trying to concatenate them using several approaches. You have to use the concat-protocol to concatenate files, it does not work without. Carl Eugen ___ Libav-user mailing

Re: [Libav-user] -itoffset issue

2012-04-10 Thread Craig Murray
Ok this works to concatenate the files, but doesnt seem to allow me anyway to set an arbitrary offset. What I'm looking to do is create an .avi file that has some arbitrary mp3's playing at specific times. I'm creating the avi from an image sequence, but I'm not sure how to get the audio to show