similar to: new user, video fade in issue

(Cross posted to theora-dev@xiph.org and ffmpeg-devel@mplayerhq.hu) I am working towards adding Theora encoding support to libavcodec in FFmpeg. I am doing this by simply calling libtheora from libavcodec. I am at the point where I can execute: "./ffmpeg -v 100 -i test.wmv -f avi -an -vcodec theora -b 1000000 -y test.avi" I get some whirring and an output file written. My calls to

So to which group should I foward my question? I thought this was the most appropriate of them all. Please guide me On Thu, Dec 10, 2009 at 8:59 PM, Monty Montgomery <monty at xiph.org> wrote: > I have the impression only a small piece of this conversation is being > forwarded to ogg-dev. We can't answer questions when we have no idea > what's going on :-) > >

Hi, I was really interested in the java version of the same since I wanted to use it in my java application in a platform independent way. Anybody who have managed to use the java port to encode wav to ogg, this is only audio, can assist me to solve my problem. I have been looking at the code and the svn but no updates seem to be available. Some guidance on what could be the problem on the source

Hi, and thank to you all for this great codec ! I have this bug on Debian Lenny with compiled packages of last svn versions of ffmpeg and libtheora. This seems to append only on the amd64 arch. Here is a valgrind log : pre-barreau at augustins:~/video$ export LD_LIBRARY_PATH=/usr/local/lib pre-barreau at augustins:~/video$ valgrind /home/pub/apps/ffmpeg_dev/ffmpeg_svn/ffmpeg -i

I am using theora_encode along with ffmpeg: ffmpeg -an -s 1920x1080 -r 24 -i bigbuckbunny.mp4 -vcodec rawvideo \ -pix_fmt yuv420p -f rawvideo - 2>/dev/null \ | ffmpeg -an -f rawvideo -s 1920x1080 -r 24 -i - -f yuv4mpegpipe - 2>/dev/null \ |* theora_encode /dev/stdin 2>/dev/null *| ffmpeg -y -f ogg -i - \ -f mp4 -i bigbuckbunny.mp4 -map 0:0 -map 1:1 -vcodec copy \ -acodec libvorbis -ab

Hey all, I've setup a simple page that just displays a live webcam stream of me at work, and it supposedly falls back onto Cortado if your browser doesn't support the <video> tag. The URL is here: http://media.basilgohar.com/stream/ There's been a lot of talk about live streaming and low bitrate streams. Here is my command line (I've posted this before): time ffmpeg -f

hi, there is a problem when i convert some mpeg files to ogv with libthusnelda I 20090527... i don't know it this helps you but i am sending information about it... when i convert an mpeg file ro ogv, there are macro block artifacts on the lower part of the video... but it doesn't happen all the time... description is below and you can download the video files form the link below if you

Hi, I didn't get to the bottom of it, but Valgrind is whining on libtheora when encoding a video to a 16 width or 16 height video. While you may think I'm weird for encoding to such a size, I didn't care about the output video, but I reckon it should work. The bad accesses seemed to be of pixel data, in FilterVert__c, and in FilterHorz__c (from memory), but I didn't investigate

Hi, I'm new here - thanks for having me. (Sorry if I'm in the wrong place or a noob.) I downloaded the Theora encoder sample (ver 1.1.1), modified it to encode a sequence of bitmaps, and created an OGV file. The OGV file plays fine in the latest VLC (1.0.5), but I can't do much else with it: I tried uploading to YouTube, and the video just comes out really corrupt:

Hi guys , I used ffmpeg , and ffmpeg2theora , with oggfwd for streaming to the icecast2 streaming server without any problems. But now , only works if I use ffmpeg2theora. I try with one of the latest svn version and one that I consider " stable" because is ok for all my needs , and they don't work. This is the complete shell output ffmpeg -i /home/pierpaolo/Scrivania/31.mpg

Hi guys , I used ffmpeg , and ffmpeg2theora , with oggfwd for streaming to the icecast2 streaming server without any problems. But now , only works if I use ffmpeg2theora. I try with one of the latest svn version and one that I consider " stable" because is ok for all my needs , and they don't work. This is the complete shell output ffmpeg -i /home/pierpaolo/Scrivania/31.mpg

Theora-devs: I am in seek of a theora (but possibly vorbis/ogg/ffmpeg) dev to optimize the encoding in a realtime software product. We do live encoding and transcode into ogg/theora/vorbis at various resolutions and frame rates. The higher resolutions cannot process in realtime and we are pushing the boundaries of hardware (cpu) encoding with the existing theora/ffmpeg. Right now we have to

I''m pretty new to javascript, and scriptaculous, but I know what I want to do. I want to make it so that when a person clicks a link, the previous content of the div fades out, and the new content fades in. This is what I''ve got for my function: <script type="text/javascript"> //<![CDATA[ function loadmerch(im) { new

Hi, I'm trying to get ffmpeg (linked with libvorbis 1.2.3) to generate a 96kHz ogg file, but I seem to be limited to 50kHz . The command is ffmpeg -i t16bit96kHz.wav -acodec libvorbis test.ogg and I get the error message [libvorbis @ 0x2051460]oggvorbis_encode_init: init_encoder failedError while opening codec for output stream #0.0 - maybe incorrect parameters such as bit_rate, rate, width

I am a software developer myself. We develop a Radio Automation System/Broadcasting. Hence we are using the reference encoders. For OGG there is LUCKILY still the admin interface working to update meta data mid-stream. That is why my post is related to the other ogg based formats: FLAC and OPUS! Tractor Pro is btw not supporting FLAC or OPUS and alao uses the admin update interface! As such

I just looked at some of my ogg files created on Ubuntu jaunty via ffmpeg. According to ogginfo: -=- User comments section follows... encoder=Lavc52.20.0 Negative granulepos on vorbis stream outside of headers. This file was created by a buggy encoder -=- Is that something I should worry about, and if so, do I just need to update the theora libs or do I need to update ffmpeg as well?

On 08/29/2010 06:16 PM, Alexey Fisher wrote: > Are there any options to recover > video with missing header? Or tip for archiving, for example make some > recorevable stream with backup header? If the whole first portion of the file is missing, then regenerating the header is, in the abstract, a hard problem involving searching a very large solution space. In practice, many encoders

Hey all! I'm sure you've all been missing my webcam stream, so I decided to start it up again (also, I wanted to do it for my family overseas). However, this time, I'm doing things a little bit differently. For starters, the encoder is the current (as of about an hour ago) ptalarbvorm branch which is destined to become libtheora 1.2. Another difference is that I'm using

Hi Beorn, 1. replace "-v 7" to "--optimize --two-pass --soft-target -V 2000" you will get about 200MB file size with no changes in quality. 2. try to use libtheora ptalarbvorm, it is in alpha state but has some improvements. You can find comparison here: http://people.xiph.org/~xiphmont/demo/theora/demo9.html if you use ubuntu 10.10 you can download precompiled libtheora and

I am transcoding mp3 to wave using ffmpeg I am then piping it to speexenc for speex encoding but the speex file size is 496 bytes after the command ends https://lists.ubuntu.com/archives/ubuntu-users/2010-March/212927.html https://lists.ubuntu.com/archives/ubuntu-users/2010-March/212949.html https://lists.ubuntu.com/archives/ubuntu-users/2010-March/212954.html what am I doing wrong? bellow is