NYCPHP Meetup

[Ben Sgro (ProjectSkyLine)]

Good morning, 

Super off topic, but since this list is one of my best resources for help, 
I figured I'll try here.

I've spent a lot of time on google and can't seem to figure out the problem.

I have a PHP app that is converting .avi's to .flvs. I'm using ffmpeg and lame.

I've built ffmpeg w/libmp3lame support enabled, to encode to .mp3 for the .flv

However, I don't know much about this stuff, and I can't seem to figure out the correct
parameters. The online documentation for ffmpeg is lacking.

[sk at tinman storyx]$ /usr/local/bin/ffmpeg -i uploaded_videos/978516602470bb1a2a1373.AVI -acodec libmp3lame -vcodec flv -b 1200kb -mbd 2 -flags +4mv+4rell -aic 2 -cmp 2 -subcmp 2 -s 450x300 -title Title converted_videos/978516602470bb1a2a1373.flv
FFmpeg version SVN-r10700, Copyright (c) 2000-2007 Fabrice Bellard, et al.
  configuration: --enable-libmp3lame
  libavutil version: 49.5.0
  libavcodec version: 51.45.0
  libavformat version: 51.14.0
  built on Oct  9 2007 15:26:19, gcc: 4.1.1 20070105 (Red Hat 4.1.1-52)
Input #0, avi, from 'uploaded_videos/978516602470bb1a2a1373.AVI':
  Duration: 00:00:09.1, start: 0.000000, bitrate: 3407 kb/s
  Stream #0.0: Video: mjpeg, yuvj422p, 320x240, 20.00 fps(r)
  Stream #0.1: Audio: pcm_u8, 11024 Hz, mono, 88 kb/s
File 'converted_videos/978516602470bb1a2a1373.flv' already exists. Overwrite ? [y/N] y
PIX_FMT_YUV420P will be used as an intermediate format for rescaling
Output #0, flv, to 'converted_videos/978516602470bb1a2a1373.flv':
  Stream #0.0: Video: flv (hq), yuv420p, 450x300, q=2-31, 1200 kb/s, 20.00 fps(c)
  Stream #0.1: Audio: libmp3lame, 11024 Hz, mono, 64 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
[flv @ 0x84b51f0]removing common factors from framerate
Error while opening codec for output stream #0.1 - maybe incorrect parameters such as bit_rate, rate, width or height

Any one w/experiance that can help is appreciated!

- Ben

Ben Sgro, President
ProjectSkyLine - Defining New Horizons
+1 718.487.9368 (N.Y. Office)

Our company: www.projectskyline.com
Our products: www.project-contact.com

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