Gentoo Archives: gentoo-user

From: Alan McKinnon <alan.mckinnon@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] ffmpeg and libav
Date: Wed, 16 May 2012 21:39:12
Message-Id: 20120516233728.3cb27cda@khamul.example.com
In Reply to: [gentoo-user] ffmpeg and libav by john
1 On Wed, 16 May 2012 22:29:11 +0000
2 john <jdm@××××××××××××.uk> wrote:
3
4 >
5 > Hello,
6 >
7 > I have changed by use flag for ffmpeg to include theora. When i try
8 > emerge I get the following
9 >
10 > [blocks B ] media-video/ffmpeg ("media-video/ffmpeg" is blocking
11 > media-video/libav-0.8.2)
12 >
13 > * Error: The above package list contains packages which cannot be
14 > * installed at the same time on the same system.
15 >
16 > (media-video/ffmpeg-0.10.2::gentoo, ebuild scheduled for merge)
17 > pulled in by media-video/ffmpeg required by @selected
18 >
19 > (media-video/libav-0.8.2::gentoo, ebuild scheduled for merge) pulled
20 > in by
21 > >=media-video/libav-0.8.1[X,encode,-jpeg2k,-mp3,-sdl,-theora,-threads,-truetype,-vaapi,-vdpau,-x264]
22 > required by (virtual/ffmpeg-0.10.2-r1::gentoo, ebuild scheduled for
23 > merge)
24 >
25 >
26 > This happens for several use flags (mp3 aac)
27 >
28 >
29 > Does this mean that ffmpeg no longer supports mp3 x264 theora etc?
30
31 No, it means that ffmpeg and libav provide the same functionalityand
32 thus cannot both be installed on the same machine at the same time,
33 you need to pick one (libav is actually a fork of ffmpeg). See here:
34
35 http://blogs.gentoo.org/scarabeus/2012/05/14/media-videolibav-stable-on-most-important-archs/#utm_source=feed&utm_medium=feed&utm_campaign=feed
36
37
38 >
39 > And if I need to codecise an mp3 I cannot use ffmpeg?
40 >
41 > Or have I lost the plot?
42
43
44
45 --
46 Alan McKinnnon
47 alan.mckinnon@×××××.com