I've run across what looks like a major memory leak caused by adpcm_ima_qt audio track decoding. ffmpeg output doesn't look out of the ordinary, but it is much slower than it should be (kind of slow on a PPC OS X machine, but *super slow* on a x86_64 linux machine). I've uploaded a sample to the FTP site as "shuffle-ima41.mov". Here is the ffmpeg output, killed because it was taking up too much memory: ./ffmpeg -i ~/Desktop/shuffle-ima41.mov -acodec pcm_s16le -vcodec mpeg4 -b 768k ~/Desktop/shuffle.avi FFmpeg version SVN-r7718, Copyright (c) 2000-2006 Fabrice Bellard, et al. configuration: --enable-gpl --enable-x264 --enable-xvid --enable- mp3lame --extra-cflags=-I/Users/allan/code/usr/include --extra- ldflags=-L/Users/allan/code/usr/lib libavutil version: 49.2.0 libavcodec version: 51.29.0 libavformat version: 51.8.0 built on Jan 26 2007 10:46:06, gcc: 4.0.1 (Apple Computer, Inc. build 5367) Seems stream 1 codec frame rate differs from container frame rate: 1000.00 (1000/1) -> 23.98 (24000/1001) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Users/allan/Desktop/shuffle- ima41.mov': Duration: 00:00:30.0, start: 0.000000, bitrate: 1184 kb/s Stream #0.0(eng): Audio: adpcm_ima_qt, 44100 Hz, stereo Stream #0.1(eng): Video: mpeg4, yuv420p, 212x120, 23.98 fps(r) File '/Users/allan/Desktop/shuffle.avi' already exists. Overwrite ? [y/N] y Output #0, avi, to '/Users/allan/Desktop/shuffle.avi': Stream #0.0: Video: mpeg4, yuv420p, 212x120, q=2-31, 768 kb/s, 23.98 fps(c) Stream #0.1: Audio: pcm_s16le, 44100 Hz, stereo, 1411 kb/s Stream mapping: Stream #0.1 -> #0.0 Stream #0.0 -> #0.1 Press [q] to stop encoding Killed 68 q=2.0 size= 767kB time=2.8 bitrate=2214.7kbits/s -Allan -- Allan Hsu <allan at counterpop dot net> 1E64 E20F 34D9 CBA7 1300 1457 AC37 CBBB 0E92 C779
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