[Libav-user] [LIBAVFORMAT] Build of the library

2014-10-14 Thread ALCINDOR Fabrice (MM)
Hi, What is the straight-forward way to build only the libavformat library. make command in the source directory is not th good way. My purpose is to get the original makefile of the library to integrate it in another project. Thanks in advance, Fabrice

Re: [Libav-user] [LIBAVFORMAT] Build of the library

2014-10-14 Thread Carl Eugen Hoyos
ALCINDOR Fabrice (MM fabrice.alcindor@... writes: What is the straight-forward way to build  only the libavformat library. The following come to mind: $ ./configure --disable-all --enable-decoders \ --enable-demuxers --enable-muxers (You have to finetune this configure line for your needs.)

[Libav-user] avformat_open_input - remaining data

2014-10-14 Thread Fabrice Alcindor
Hi, For a streaming application I would use data chunk from a buffer using custom I/O. My understanding is that while opening the file with avformat_open_input(), stream is split in packets. However data chunk might not be complete packet. I'm looking for a way to manage remaining data of

[Libav-user] RTSP stream only received on port 554 via UDP

2014-10-14 Thread Ben Morris
Hello, I am running an RTSP server using Live555 and receiving the stream using ffmpeg. The exact ffmpeg version is the Zeranoe build from September 13th 2014. Everything runs as expected on localhost but when connecting to the server from a remote machine, the connection will fail when

Re: [Libav-user] [resize video] Lost duration

2014-10-14 Thread Hung Nguyen
Hi Carl, Now I can get the video duration if I force enc_ctx (AVFormatContext) ’s time_base into (AVRational){1, 24} or something like this. The problem is the duration of input video is different from output video, even when I try with ffmpeg (the application) The input: ffmpeg -i original

[Libav-user] Editing a video file

2014-10-14 Thread Sethuraman V
Hi All, I want to read a frame from a video file, edit it and write back the frame in replacement of the read frame. However I am finding it difficult to accomplish this. I can get a frame from the video file using ffmpeg provided examples and editing the frame/image is also done separately, the

Re: [Libav-user] Editing a video file

2014-10-14 Thread Ben Mesander
On Tue, Oct 14, 2014 at 1:50 PM, Sethuraman V techmail.se...@gmail.com wrote: I can't understand why an 'I' frame read from a video file can't be written/encoded back to the video file. For other frames 'P' and 'B' there are dependencies, so writing/encoding the complete frame can't be done,

Re: [Libav-user] RTSP stream only received on port 554 via UDP

2014-10-14 Thread Andy Shaules
On 10/14/2014 6:59 AM, Ben Morris wrote: Hello, I am running an RTSP server using Live555 and receiving the stream using ffmpeg. The exact ffmpeg version is the Zeranoe build from September 13^th 2014. Everything runs as expected on localhost but when connecting to the server from a