Difference between revisions of "Codec"

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Revision as of 15:10, 19 March 2006

See Also the Official documentation: list of codecs

For more information of codecs in general, look ar wikipedia and wiki.multimedia.cx.

Codec is short for coder/decoder. For portability to almost all decoders, we recommend using the MPEG-1 standard of vcodec=mp1v, acodec=mpga, and mux=mpeg1.

To save a file in a different codec, you can use the transcoding wizard or transcode from the command prompt with a command like this:

vlc file --sout='#transcode{vcodec=mp1v, vb=1024, acodec=mpga, ab=128}:std{access=file, mux=mpeg1, url=C:\file_name.mpg}'


Video Codecs

Use the "name" part in you vcodec=... commands

name description
mp1v MPEG-1 Video - recommended for portability
mp2v MPEG-2 Video - used in DVDs
mp4v MPEG-4 Video
SVQ1 Sorenson Video v1
SVQ3 Sorenson Video v3
WMV1 Windows Media Video v1
WMV2 Windows Media Video v2
WMV3 Windows Media Video v3, also called Windows Media 9 (unsupported)
DVSD Digital Video
MJPG MJPEG
H263 H263
h264 H264
theo Theora
IV20 Indeo Video
IV40 Indeo Video version 4 or later (unsupported)
RV10 Real Media Video
cvid Cinepak
VP31 On2 VP
FLV1 Flash Video
CYUV Creative YUV
HFYU Huffman YUV
MSVC Microsoft Video v1
MRLE Microsoft RLE Video
AASC Autodesc RLE Video
FLIC FLIC video
QPEG QPEG Video

Audio Codecs

Use the "name" part in you acodec=... commands

name description
mpga MPEG audio (recommended for portability)
mp3 MPEG Layer 3 audio
mp4a MP4 audio
a52 or ac3 Dolby Digital (A52 or AC3)
DTS
vorb Vorbis
spx Speex
AAC (Advanced Audio Coding)
Windows Media Audio
DV Audio
flac or fl32 FLAC
LPCM
ADPCM
AMR
QuickTime Audio
Real Audio
MACE
MusePack

Subtitle Codecs

CVD CVD Subtitles
SVCD (Overlay Graphics) SVCD Subtitle (OGT) Information
SRT Subrip Subtitles
SSA/ASS Sub Station Alpha or Advanced Sub Station Subtitles
SubViewer SubViewer Subtitles
VobSub VobSub Subtitles
DVD subtitles DVD Subtitles
VPlayer Vplayer Subtitles
MicroDVD MicroDVD Subtitles
Sami Sami Subtitles

Muxers

Use the "name" part in you mux=... commands

name description
ts MPEG Transport Stream, primarily used for streaming MPEG
ps MPEG Program Stream, primarily used for saving MPEG data to disk
avi AVI
mp4 MPEG-4
asf ASF
dummy dummy output, can be used in creation of MP3 files.
ogg Xiph.org's ogg container format. Can contain audio, video, and metadata.
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