Re: [Libav-user] How to know the output libraries names

2013-09-06 Thread Carl Eugen Hoyos
Lucas Soltic lucas.soltic@... writes: Is there any reliable way of knowing the names of the libraries that will be created by a standard FFmpeg's configure make process? On Unix platforms there are .so and .so.version, and on Windows, there are .dll and -version.dll. I probably

Re: [Libav-user] How to know the output libraries names

2013-09-06 Thread Lucas Soltic
Le 6 sept. 2013 à 09:53, Carl Eugen Hoyos ceho...@ag.or.at a écrit : Lucas Soltic lucas.soltic@... writes: Is there any reliable way of knowing the names of the libraries that will be created by a standard FFmpeg's configure make process? On Unix platforms there are .so and .so.version,

Re: [Libav-user] How to know the output libraries names

2013-09-06 Thread Carl Eugen Hoyos
Lucas Soltic lucas.soltic@... writes: On Unix platforms there are .so and .so.version, and on Windows, there are .dll and -version.dll. I probably misunderstand but are you suggesting that we name the Unix shared libraries *.dll ? (Or the Windows shared libraries *.so ?) Hi,

[Libav-user] what is av_rescale_q()?

2013-09-06 Thread Huang Soho
Hi All, I use ffmpeg + ffserver to support a stream server. the video and audio source is from usb webcam. When I test the stream by VLC, it can get video data , and audio data respectively. but I try to use ffserver to output a rtp stream for audio and a rtp stream for video. there are not

Re: [Libav-user] How to know the output libraries names

2013-09-06 Thread Alex Cohn
On Sep 6, 2013 12:47 PM, Lucas Soltic lucas.sol...@orange.fr wrote: Le 6 sept. 2013 à 09:53, Carl Eugen Hoyos ceho...@ag.or.at a écrit : Lucas Soltic lucas.soltic@... writes: Is there any reliable way of knowing the names of the libraries that will be created by a standard FFmpeg's

[Libav-user] decoding h264

2013-09-06 Thread luigi
Hi, I have problems decoding h264 video chunks included in a Mp4 video. As far as I know nal units start with 0x01 identifier. So I manage to parse mp4 video, spot the video chunks, re-parse the chunks to find nal unit identifier, then I reassemble the chunks and, finally, send the nal

Re: [Libav-user] VFR and CFR and libav

2013-09-06 Thread James Board
When using libs you are on your own. The VFR/CFR comes with ffmpeg tool. So it sounds like what yo're saying is that with the libs, I won't have the same issues with the ffmpeg feature where it duplicated input frames in order to meet some unspecified constant frame rate?  With the libs, when

[Libav-user] VFR and CFR and libav

2013-09-06 Thread James Board
Let's say I have an input video (AVI format) that is vfr, and I write a libav application that steps through each frame in the video and does something: maybe I write that frame to a file on disk.  Will I have vfr-problems where the libav is duplicating frames, or removing frames (behind the

Re: [Libav-user] VFR and CFR and libav

2013-09-06 Thread Paul B Mahol
On 9/6/13, James Board jpboa...@yahoo.com wrote: Let's say I have an input video (AVI format) that is vfr, and I write a libav application that steps through each frame in the video and does something: maybe I write that frame to a file on disk. Will I have vfr-problems where the libav is

Re: [Libav-user] How to know the output libraries names

2013-09-06 Thread Lucas Soltic
Le 6 sept. 2013 à 12:11, Carl Eugen Hoyos ceho...@ag.or.at a écrit : Lucas Soltic lucas.soltic@... writes: On Unix platforms there are .so and .so.version, and on Windows, there are .dll and -version.dll. I probably misunderstand but are you suggesting that we name the Unix shared