similar to: Encode a normal stream in to black & white video

Hi, We want to get a B&W output from any video input (B&W or Color). So when we encoded into B&W video compression will be increased is it correct? Can we archive this by a existing encoder_example. -- ___ -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/theora/attachments/20080121/c1d1b3c1/attachment.htm

Theora can encode video with several quality parameters. So when that encoded video is decoding it should be looked at quality value. For a single video, decoder get first frame quality value for all video frame or decoder get each quality value for each frame? -- Asanka Dilruk Department of Computer Science and Eng. University of Moratuwa.... http://www.asankadilruk.blogspot.com/ --------------

I am going to change video quality parameter frame by frame. So i find a parameter called* thisframequalityvalue* for this task. so i changed *cpi-> Configuration.ActiveMaxQ*(set "1" for half of the frames and set "63" for other half of frames)* *manually to change *thisframequalityvalue *parameter in *UpdateFrame *frame function. But quality was not changed. Why is

I am going to improve theora codec with dynamically changing way. In this case we want to change compression parameters like video_q, sharpness when a keyframe is generated. When i set video quality parameter using cpi-> pb.info.quality in CommpressKeyFrame in encoder_toplevel it will not change dynamically. Can you please help me to do this. Wich function should i cange to achieve my

LinkedIn ------------Asanka Dilruk requested to add you as a connection on LinkedIn: ------------------------------------------ Adrian, I'd like to add you to my professional network on LinkedIn. - Asanka Dilruk Accept invitation from Asanka Dilruk

Seems RPM compatibility issue with OS Kernel. Check OS Kernel and download RPM (4 Nos) for same kernel. Regards, Yuvrajsinh Chauhan || Sr. DBA || CRESTEL-PSG Elitecore Technologies Pvt. Ltd. 904, Silicon Tower || Off C.G.Road Behind Pariseema Building || Ahmedabad || INDIA [GSM]: +91 9727746022 -----Original Message----- From: ocfs2-users-bounces at oss.oracle.com [mailto:ocfs2-users-bounces

Hi Yuvrajsinh, thank you for the reply, yes it was a kernel issue and we have done an upgrade to 2.6.18.308 and used the packges that match the version number, and I have done a update post this evening as below Hi All, since the post I have made some kind of a progress 1. I upgraded the kernel to 2.6.18-308.1.1.el5 same I was able to download the ocfs2 module is

Hi all I have the raw out put of a video camera in following format: mjpegb, yuvj422p, 1920x1080, 24.00 fps(r). I cannot directly convert this raw footage to Theora due to the YUV4MPEG2 only restriction of the encoder_example. Isn't it better to support other raw formats in encoder_example, such as what I have, mjpegb, yuvj422p? I presume even if I convert the mjpegb, yuvj422p to

On 5/24/08, Conrad Parker <conrad at metadecks.org> wrote: > The magic is not always char[8] -- it's an arbitrary number of > characters, and as far as I know there is no official limit. I was under the impression that 8 was the limit. Thus the extra white space JM adds on Speex and CELT magics. I may be wrong, though. > So it's 7 for Vorbis and Theora, 5 for FLAC So

2008/5/29 Ralph Giles <giles at xiph.org>: > On 28-May-08, at 6:20 PM, Conrad Parker wrote: > >> /* TODO: this should check against 42 for the relevant version numbers */ >> if (op->bytes < 41) return 0; > > I gather this means the USE_THEORA_PRE_ALPHA_3_FORMAT #if should instead be > based on the length of the header packet. I'm not sure why you're

hi all, i tried to encode a .yuv file with the encoder_example.c but it give an error message as follows ./encoder_example -v 1 file_1.yuv > file_1.ogg Input file file_1.yuv is neither a WAV nor YUV4MPEG2 file. so the error message is understandable for anyone. when this file is play with mplayer it shows as follow

On 8/17/08, Silvia Pfeiffer <silviapfeiffer1 at gmail.com> wrote: > OK, then yuv4mpeg will have the magic number: char[8]: 'YUV4MPEG'. Which was previously for those not paying attention char[9]: 'YUV4MPEG2'. > Also, can you put the link to the spec into > http://wiki.xiph.org/index.php/MIMETypesCodecs ? AFAIK, that is just a matter of putting a [[OggUVS]] in

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, I am about to spend one week of my holidays with transfering our (about 20 clients) NT4 domain to a AD DC one. We are running a samba NT4 PDC on debian buster which is offering dns (bind9) and dhcp (isc-dhcpd), too. I have an older server where I can play with an AD DC setup. If I see I won't make it in a week, I would like to be able to return as smooth as possible to the present

On Sat, Aug 16, 2008 at 12:23 AM, Silvia Pfeiffer wrote: > Have we got a spec? If not, we may want to remove it altogether and > make the fixes in our wiki as the spec develops. We have a draft spec with no implementation. I can't imagine the magic changing, so I think it's ok to leave it in, but I'm ok to remove it if you think that's best. I do think there's little

I have encoded successfully a YUV stream by using the encoder_example. Can We encode a row stream (get from a web cam) by using encoder_example. If we can not, is there any other way to encode a row stream by using theora codec. -- Nuwan Millawitiya -------------- next part -------------- An HTML attachment was scrubbed... URL:

I have encoded successfully a YUV stream by using the encoder_example. Can We encode a row stream (get from a web cam) by using encoder_example. If we can not, is there any other way to encode a row stream by using theora codec. -- Nuwan Millawitiya -------------- next part -------------- An HTML attachment was scrubbed... URL:

In response to (and with the help of) John Koleszar I put together an early draft of OggYUV.. or rather, a list of header fields for it. http://wiki.xiph.org/index.php/OggYUV Feedback (on list or on wiki) is most certainly solicited, especially on the chroma subsampling list (how many different sampling methods do we need to reasonably support?) and if we've missed any fields to date.

In response to (and with the help of) John Koleszar I put together an early draft of OggYUV.. or rather, a list of header fields for it. http://wiki.xiph.org/index.php/OggYUV Feedback (on list or on wiki) is most certainly solicited, especially on the chroma subsampling list (how many different sampling methods do we need to reasonably support?) and if we've missed any fields to date.

Hi all, I am trying to set up the codecs table in the wiki and we have played a bit with Dirac to find out what existing tools write into the header. The Schroedinger implementation by Fluendo uses (or used to use) "KW-DIRAC" as the identifier in the Ogg header. "BBCD" is the identifier of each of the Dirac data packages. More recently, I read that the Dirac Sequence header