Mans Rullgard <[EMAIL PROTECTED]> added the comment: Michael Niedermayer <[EMAIL PROTECTED]> writes:
> Michael Niedermayer <[EMAIL PROTECTED]> added the comment: > > On Sat, Jul 12, 2008 at 07:20:42PM +0000, Víctor Paesa wrote: >> >> New submission from Víctor Paesa <[EMAIL PROTECTED]>: >> >> The MP3 format allows to pump up/down the volume for the whole file without >> re-encoding. >> >> Hence it should be possible that, for MP3, ffmpeg allows and honors >> both -acodec copy and -vol in the same command line. >> >> The volunteers implementing this wish may take a look at >> http://mp3gain.sourceforge.net/index.php, that is LGPL. > > Without looking at that, i suspect it can be done very easily > with a bitstream filter But then it's not a copy. IMHO, -[av]codec copy should not alter the bitstream in any way other than to convert between different packing formats. ______________________________________________________ FFmpeg issue tracker <[EMAIL PROTECTED]> <https://roundup.mplayerhq.hu/roundup/ffmpeg/issue529> ______________________________________________________
