replace coder/decoder file description in libavformat by muxer/demuxer

Originally committed as revision 6774 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/aiff.c

 /*
- * AIFF/AIFF-C encoder and decoder
+ * AIFF/AIFF-C muxer and demuxer
  * Copyright (c) 2006  Patrick Guimond
  *
  * This file is part of FFmpeg.

libavformat/asf-enc.c

 /*
- * Adaptive stream format encoder
+ * Adaptive stream format muxer
  * Copyright (c) 2000, 2001 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/asf.c

 /*
- * ASF compatible decoder.
+ * ASF compatible demuxer
  * Copyright (c) 2000, 2001 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/au.c

 /*
- * AU encoder and decoder
+ * AU muxer and demuxer
  * Copyright (c) 2001 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/avidec.c

 /*
- * AVI decoder.
+ * AVI demuxer
  * Copyright (c) 2001 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/avienc.c

 /*
- * AVI encoder.
+ * AVI muxer
  * Copyright (c) 2000 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/daud.c

 /*
- * D-Cinema audio decoder.
+ * D-Cinema audio demuxer
  * Copyright (c) 2005 Reimar Dffinger.
  *
  * This file is part of FFmpeg.

libavformat/ffm.c

 /*
- * FFM (ffserver live feed) encoder and decoder
+ * FFM (ffserver live feed) muxer and demuxer
  * Copyright (c) 2001 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/flvdec.c

 /*
- * FLV decoder.
+ * FLV demuxer
  * Copyright (c) 2003 The FFmpeg Project.
  *
  * This file is part of FFmpeg.

libavformat/flvenc.c

 /*
- * FLV encoder.
+ * FLV muxer
  * Copyright (c) 2003 The FFmpeg Project.
  *
  * This file is part of FFmpeg.

libavformat/gif.c

 /*
- * Animated GIF encoder
+ * Animated GIF muxer
  * Copyright (c) 2000 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/gifdec.c

 /*
- * GIF decoder
+ * GIF demuxer
  * Copyright (c) 2003 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/mov.c

 /*
- * MOV decoder.
+ * MOV demuxer
  * Copyright (c) 2001 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/movenc.c

 /*
- * MOV, 3GP, MP4 encoder.
+ * MOV, 3GP, MP4 muxer
  * Copyright (c) 2003 Thomas Raivio.
  * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
  *

libavformat/mp3.c

 /*
- * MP3 encoder and decoder
+ * MP3 muxer and demuxer
  * Copyright (c) 2003 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/mpeg.c

 /*
- * MPEG1/2 mux/demux
+ * MPEG1/2 muxer and demuxer
  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/mpegts.c

 /*
- * MPEG2 transport stream (aka DVB) demux
+ * MPEG2 transport stream (aka DVB) demuxer
  * Copyright (c) 2002-2003 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/mpegtsenc.c

 /*
- * MPEG2 transport stream (aka DVB) mux
+ * MPEG2 transport stream (aka DVB) muxer
  * Copyright (c) 2003 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/nsvdec.c

 /*
- * NSV decoder.
+ * NSV demuxer
  * Copyright (c) 2004 The FFmpeg Project.
  *
  * This file is part of FFmpeg.

libavformat/raw.c

 /*
- * RAW encoder and decoder
+ * RAW muxer and demuxer
  * Copyright (c) 2001 Fabrice Bellard.
  * Copyright (c) 2005 Alex Beregszaszi
  *

libavformat/rm.c

 /*
- * "Real" compatible mux and demux.
+ * "Real" compatible muxer and demuxer.
  * Copyright (c) 2000, 2001 Fabrice Bellard.
  *
  * This file is part of FFmpeg.

libavformat/smacker.c

 /*
- * Smacker decoder
+ * Smacker demuxer
  * Copyright (c) 2006 Konstantin Shishkov.
  *
  * This file is part of FFmpeg.

libavformat/sol.c

 /*
- * Sierra SOL decoder
+ * Sierra SOL demuxer
  * Copyright Konstantin Shishkov.
  *
  * This file is part of FFmpeg.

libavformat/wav.c

 /*
- * WAV encoder and decoder
+ * WAV muxer and demuxer
  * Copyright (c) 2001, 2002 Fabrice Bellard.
  *
  * This file is part of FFmpeg.