[Libav-user] x264 pts values when muxing with libavformat

2012-06-04 Thread Carl Lindqvist
Hello I am trying to encode video with x264 and mux using something similar to the example muxing.c. To get to the settings of x264 easier, I am not using libavcodec to encode, but x264 directly. Libavcodec is used for audio and muxing with libavformat. The problem I am having is setting the cor

[Libav-user] WG: mov demuxer: avformat_seek_file with AVSEEK_FLAG_BYTE

2012-06-04 Thread Beni Weine
Hi all, We need to improve the seeking capabilities (performance) in our video player. The video player concurrently manages 5 different video files (MP4), and plays them in a time synchronized manner. Each video file has a time index file (proprietary) which includes among other things

[Libav-user] Re : Re : ALAC codec I am not sure it's really lossless

2012-06-04 Thread kurdy_ch-fo...@yahoo.fr
Hello, Using the last version from http://ffmpeg.org/download.html  it works fine. The version now is: > ffmpeg version 0.10.2-4:0.10.2-0ubuntu0jon1 Thanks @Claudio I was talking about stream MD5 not a file MD5 calculated afterward. Have a look to flac documentation.

[Libav-user] Bug in drawtext (FT_LOAD_*)?

2012-06-04 Thread Leandro Santiago
Hello to all. I'm using the drawtext filter in a project and I couldn't use the ft_load_flags option. I'm using ffmpeg 0.11, but I also tested in 0.9.2 and from master branch. The results are the same. What I have to to is write the text using the FT_LOAD_MONOCHROME (defned in freetype.h), which p

Re: [Libav-user] Re : Re : ALAC codec I am not sure it's really lossless

2012-06-04 Thread Claudio Freire
On Mon, Jun 4, 2012 at 12:38 PM, kurdy_ch-fo...@yahoo.fr wrote: > @Claudio I was talking about stream MD5 not a file MD5 calculated afterward. > Have a look to flac documentation. Sweet, I didn't know flac had such a header. Nice. ___ Libav-user mailing

Re: [Libav-user] Trying to compile ffmpeg for iOS

2012-06-04 Thread jennyhoo
I use build ffmpeg for iOS 5.1 successfully. bug when I try to link my application with the libraries this above script generates, I get the following: "ld: warning: ignoring file /Users/X/ffmpeg/ffmpeg/armv7/libavcodec.a, file was built for archive which is not the architecture being linked (

[Libav-user] Re : Re : ALAC codec I am not sure it's really lossless SOLVED

2012-06-04 Thread Reinhardt Willy
Hello, Using the last version from http://ffmpeg.org/download.html  it wotks fine. The version is: > ffmpeg version 0.10.2-4:0.10.2-0ubuntu0jon1 Thanks @Claudio I was talking about stream MD5 have a look to flac documentation. ___ Libav-user mailing

[Libav-user] How to compile FFmpeg for the IOS 5.1?

2012-06-04 Thread yntnfu
Follow the thread I compile ffmpeg successfully: http://ffmpeg.org/pipermail/libav-user/2012-March/001621.html http://ffmpeg.org/pipermail/libav-user/2012-March/001621.html But when I try to link it with my program , it happens like this: "ld: warning: ignoring file /Users//ffmpeg/ffmpeg/armv

Re: [Libav-user] Trying to compile ffmpeg for iOS

2012-06-04 Thread yntnfu
Hi, How do you fix the problem? I get the same problem as yours. -- View this message in context: http://libav-users.943685.n4.nabble.com/Libav-user-Trying-to-compile-ffmpeg-for-iOS-tp4500195p4655113.html Sent from the libav-users mailing list archive at Nabble.com. __

Re: [Libav-user] Trying to compile ffmpeg for iOS

2012-06-04 Thread Wagner Patriota
try compile with this script: rm -r ./compiled echo Configure for armv7 build ./configure \ --cc=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc \ --as='/usr/local/bin/gas-preprocessor.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.pl

Re: [Libav-user] How to compile FFmpeg for the IOS 5.1?

2012-06-04 Thread Wagner Patriota
rm -r ./compiled echo Configure for armv7 build ./configure \ --cc=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc \ --as='/usr/local/bin/gas-preprocessor.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc' \

[Libav-user] ffmpeg to publish to streaming server (Wowza)

2012-06-04 Thread Brad O'Hearne
Hello, My use case: I need to programmatically (read: not from a console command line) capture video from a Mac's builtin video camera and publish that video to Wowza streaming server (clients talk to Wowza). I would like to use ffmpeg to transport the captured video from the camera to the Wow

Re: [Libav-user] Example for recompressing a video?

2012-06-04 Thread jettoblack
Hi Christian and Nicolas, Thanks for the input. I managed to get video encoding working and everything looks good there. The solution was to use the picture.best_effort_timestamp as the pts of encoded frame instead of the pkt.pts (since I have now learned that a pkt could contain 0 or more pictur

Re: [Libav-user] How to compile FFmpeg for the IOS 5.1?

2012-06-04 Thread yntnfu
Thanks ,Wagner Patriota. Do you mean that I must make a fat lib which can link successfully by armv7? -- View this message in context: http://libav-users.943685.n4.nabble.com/How-to-compile-FFmpeg-for-the-IOS-5-1-tp4655114p4655125.html Sent from the libav-users mailing list archive at Nabble.com.

[Libav-user] Coversion from YUV to RGB loss of image details

2012-06-04 Thread Sampath Subasinghe
Hi All, I am using libswscale to do some YUV - RGB conversion back and forth. There are 2 steps performed on an image. 1. RGB - YUV conversion 2. YUV - RGB conversion Issue is that in the image output from step 2, the right edge of the image is missing, means the pixels are black. T

Re: [Libav-user] How to compile FFmpeg for the IOS 5.1?

2012-06-04 Thread Wagner Patriota
yes, sure... or you can remove the --arch parameters from the lipo and leave only the architetures you need. On Mon, Jun 4, 2012 at 10:06 PM, yntnfu wrote: > Thanks ,Wagner Patriota. Do you mean that I must make a fat lib which can > link successfully by armv7? > > -- > View this message in cont

[Libav-user] Libavcodec h264 decoder warnings

2012-06-04 Thread krishnaks
Hi, I am using libavcodec for h264 decoding. It is working fine.But when i am running my application for long run i will ge following debug prints on my console & will added propagation delay. My application is receiving the h264 frames from live camera(RTSP/rtp live streaming using live555). [h

Re: [Libav-user] Coversion from YUV to RGB loss of image details

2012-06-04 Thread Carl Eugen Hoyos
Sampath Subasinghe writes: > 1. RGB - YUV conversion > 2. YUV - RGB conversion > > Issue is that in the image output from step 2, the right > edge of the image is missing, means the pixels are black. Is this also reproducible if you use ffmpeg (the application)? If yes, please provide a comman