Carl Eugen Hoyos <[EMAIL PROTECTED]> added the comment:
I can confirm this issue with .avi while it does not happen when using nut.
The file size does not change dramatically when using -an, so it's an issue with
audio.
Uploaded the sample to incoming/issue489
ffmpeg -i lilly001.avi -acodec copy -vcodec copy test.avi
FFmpeg version SVN-r15205, Copyright (c) 2000-2008 Fabrice Bellard, et al.
configuration: --enable-libamr-nb --enable-nonfree --enable-libamr-wb
--enable-gpl --enable-libfaad --enable-libfaac --enable-libgsm
--enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264
--enable-libxvid --enable-libdc1394 --extra-cflags=-I/usr/include/gsm
--enable-postproc --enable-libschroedinger --cc=/opt/intel/cc/10.1.017/bin/icc
--cpu=pentium3
libavutil 49.10. 0 / 49.10. 0
libavcodec 51.71. 0 / 51.71. 0
libavformat 52.22. 0 / 52.22. 0
libavdevice 52. 1. 0 / 52. 1. 0
libpostproc 51. 2. 0 / 51. 2. 0
built on Sep 5 2008 01:17:20, gcc: Intel(R) C++ gcc 4.2 mode
Input #0, avi, from 'lilly001.avi':
Duration: 00:00:04.60, start: 0.000000, bitrate: 30307 kb/s
Stream #0.0: Video: dvvideo, yuv411p, 720x480, 28771 kb/s, 29.97 tb(r)
Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Output #0, avi, to 'test.avi':
Stream #0.0: Video: dvvideo, yuv411p, 720x480, q=2-31, 28771 kb/s, 29.97
tb(c)
Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Stream mapping:
Stream #0.0 -> #0.0
Stream #0.1 -> #0.1
Press [q] to stop encoding
frame= 138 fps= 19 q=-1.0 Lsize= 37619kB time=4.60 bitrate=66927.3kbits/s
video:16172kB audio:863kB global headers:0kB muxing overhead 120.828334%
----------
nosy: +cehoyos
substatus: open -> reproduced
title: File size doubles when using -vcodec copy -acodec copy -> File size
doubles when using -vcodec copy -acodec copy -f avi
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FFmpeg issue tracker <[EMAIL PROTECTED]>
<https://roundup.mplayerhq.hu/roundup/ffmpeg/issue489>
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