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Operating Systems Linux convert avi to cellphone friendly 320x176 mp4 file...ffmpeg to the rescue :) Post 302270799 by mr_manny on Monday 22nd of December 2008 09:05:19 PM
Old 12-22-2008
convert avi to cellphone friendly 320x176 mp4 file...ffmpeg to the rescue :)

found a few ffmpeg posts and after a few unsuccessful attempts, I have found a solution Smilie

to encode an avi to to an nokia e71 recognized mp4 format:

ffmpeg -y -i inputFILE.avi -acodec aac -ab 72k -s 320x176 -aspect 16:9 -vcodec h264 -b 300k -qcomp 0.6 -qmin 16 -qmax 51 -qdiff 4 -flags +loop -cmp +chroma -subq 7 -refs 6 -g 250 \
-keyint_min 25 -rc_eq 'blurCplx^(1-qComp)' -sc_threshold 40 -me_range 12 -i_qfactor 0.71 -directpred 3 outputFILE.mp4


original file was 700MB, resulting mp4 encoded file slightly less then half @300MB...quality is excellent Smilie

even though I don't foresee watching many video's on this amazing phone, I thought I would share my findings...

hh,
manny
 

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avimerge(1)						      General Commands Manual						       avimerge(1)

NAME
avimerge - merge several AVI-files into one SYNOPSIS
avimerge -o name -i file1 [ file2 [ ... ] ] [ -p file ] [ -a num ] [ -A num ] [ -b num ] [ -c ] [ -f commentfile ] [ -x indexfile ] COPYRIGHT
avimerge is Copyright (C) by Thomas Oestreich. DESCRIPTION
avimerge is a versatile tool. It can contatenate several AVI files into one. It can also be used to fix an index of a broken file and can also replace audio tracks or muxes new ones. It can read raw AC3 and MP3 files for multplexing. OPTIONS
-o name Specify the name of the output file. -i file Specify the name(s) of the input file(s) to merge into the output file. -p file Specify the name of the audio file to multiplex into the output file. The type of file can be either another AVI file or an MP3 or AC3 file. -b num Specify if avimerge should write an VBR mp3 header into the AVI file. Default is dependent on the input file (and usually correct). num is either 1 or 0. -c Drop video frames in case audio is missing [off] Only when merging multiple AVI files. Some AVI files run a little bit (usually for one or two video frames) short on audio. This means avimerge cannot keep up sync when concatinating them. The files play fine when played individually but not when merged because audio from the new file gets played back with video from the old file. avimerge will print a message like No audiodata left for track 0->0 (59950.25=59950.25) continuing .. When you turn on the -c option, the video which is too much will be dropped. -f commentfile Read AVI tombstone data for header comments from commentfile. See /docs/avi_comments.txt for a sample. -x indexfile Read the AVI index from indexfile. See aviindex(1) for information on how to create such a file. -a num Specify the number of the audio track you want to use from the input file. -A num Specify the number of the audio track you want to use in the output file. If you specify an existing track number, the track will be replaced. If omitted, the next free slot will be used. EXAMPLES
The command avimerge -o big.avi -i my_file1.avi my_file2.avi my_file3.avi merges the three input files my_file[123].avi into one big AVI-file big.avi. avimerge -o out.avi -i in.avi -p audio2.avi -a 1 merges track number 1 form in.avi to the next free track number in out.avi. You can create audio-only AVI-files using transcode -i song.mp3 -x null,mp3 -g 0x0 -y raw -a 1 -o audio2.avi -u 50 The command avimerge -o out.avi -i in.avi -p sound.mp3 merges the file sound.mp3 as an additional audio track into out.avi. AUTHORS
avimerge was written by Thomas Oestreich <ostreich@theorie.physik.uni-goettingen.de> with contributions from many others. See AUTHORS for details. SEE ALSO
aviindex(1), avifix(1), avisplit(1), tccat(1), tcdecode(1), tcdemux(1), tcextract(1), tcprobe(1), tcscan(1), transcode(1) avimerge(1) 26th January 2004 avimerge(1)
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