Difference between revisions of "Documentation:Modules/avcodec"

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(Write page from scratch. I copied only the command-line options from the program output, adapted the wikicode with a text editor, and pasted it here)
 
m (Use new Template:Option parameters)
Line 11: Line 11:
 
{{Option|name=avcodec-workaround-bugs|value=integer|description=Workaround bugs}}
 
{{Option|name=avcodec-workaround-bugs|value=integer|description=Workaround bugs}}
 
{{Option|name=avcodec-hurry-up|value=boolean|description=Hurry up|default=enabled}}
 
{{Option|name=avcodec-hurry-up|value=boolean|description=Hurry up|default=enabled}}
−
{{Option|name=avcodec-skip-frame|value=integer|description=Skip frame. The option set is (-1 (None), 0 (Default), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All))|default=0}}
+
{{Option|name=avcodec-skip-frame|value=integer|select={-1 (None), 0 (Default), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All)}|description=Skip frame|default=0}}
−
{{Option|name=avcodec-skip-idct|value=integer|description=Skip [[IDCT]]. The option set is (-1 (None), 0 (Default), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All))|default=0}}
+
{{Option|name=avcodec-skip-idct|value=integer|select={-1 (None), 0 (Default), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All)}|description=Skip [[IDCT]]|default=0}}
 
{{Option|name=avcodec-fast|value=boolean|description=Allow speed tricks|default=disabled}}
 
{{Option|name=avcodec-fast|value=boolean|description=Allow speed tricks|default=disabled}}
−
{{Option|name=avcodec-skiploopfilter|value=integer|description=Skip the loop filter for H.264 decoding. The option set is (0 (None), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All))}}
+
{{Option|name=avcodec-skiploopfilter|value=integer|select={0 (None), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All)}|description=Skip the loop filter for H.264 decoding)}}
 
{{Option|name=avcodec-debug|value=integer|description=Debug mask}}
 
{{Option|name=avcodec-debug|value=integer|description=Debug mask}}
 
{{Option|name=avcodec-codec|value=string|description=Codec name}}
 
{{Option|name=avcodec-codec|value=string|description=Codec name}}
−
{{Option|name=avcodec-hw|value=integer|description=Hardware decoding. The option set is (any,vdpau_avcodec,vaapi,vaapi_drm,none)}}
+
{{Option|name=avcodec-hw|value=integer|select={any,vdpau_avcodec,vaapi,vaapi_drm,none}|description=Hardware decoding}}
 
{{Option|name=avcodec-threads|value=integer|description=Threads}}
 
{{Option|name=avcodec-threads|value=integer|description=Threads}}
 
{{Option|name=avcodec-options|value=string|description=Advanced options}}
 
{{Option|name=avcodec-options|value=string|description=Advanced options}}
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== Encoding ==
 
== Encoding ==
 
{{Option|name=sout-avcodec-codec|value=string|description=Codec name}}
 
{{Option|name=sout-avcodec-codec|value=string|description=Codec name}}
−
{{Option|name=sout-avcodec-hq|value=string|description=Quality level. The option set is (rd,bits,simple)}}
+
{{Option|name=sout-avcodec-hq|value=string|select={rd,bits,simple}|description=Quality level}}
 
{{Option|name=sout-avcodec-keyint|value=integer|description=Ratio of key frames}}
 
{{Option|name=sout-avcodec-keyint|value=integer|description=Ratio of key frames}}
 
{{Option|name=sout-avcodec-bframes|value=integer|description=Ratio of B frames}}
 
{{Option|name=sout-avcodec-bframes|value=integer|description=Ratio of B frames}}
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{{Option|name=sout-avcodec-pre-me|value=boolean|description=Pre-motion estimation|default=disabled}}
 
{{Option|name=sout-avcodec-pre-me|value=boolean|description=Pre-motion estimation|default=disabled}}
 
{{Option|name=sout-avcodec-rc-buffer-size|value=integer|description=Rate control buffer size}}
 
{{Option|name=sout-avcodec-rc-buffer-size|value=integer|description=Rate control buffer size}}
−
{{Option|name=sout-avcodec-rc-buffer-aggressivity|value=float|description=Rate control buffer aggressiveness. The option range is [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]}}
+
{{Option|name=sout-avcodec-rc-buffer-aggressivity|value=float|min=-340282346638528859811704183484516925440.000000|max=340282346638528859811704183484516925440.000000|description=Rate control buffer aggressiveness}}
−
{{Option|name=sout-avcodec-i-quant-factor|value=float|description=I quantization factor. The option range is [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]}}
+
{{Option|name=sout-avcodec-i-quant-factor|value=float|min=-340282346638528859811704183484516925440.000000|max=340282346638528859811704183484516925440.000000|description=I quantization factor}}
 
{{Option|name=sout-avcodec-noise-reduction|value=integer|description=Noise reduction}}
 
{{Option|name=sout-avcodec-noise-reduction|value=integer|description=Noise reduction}}
 
{{Option|name=sout-avcodec-mpeg4-matrix|value=boolean|description=MPEG4 quantization matrix|default=disabled}}
 
{{Option|name=sout-avcodec-mpeg4-matrix|value=boolean|description=MPEG4 quantization matrix|default=disabled}}
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{{Option|name=sout-avcodec-qmax|value=integer|description=Maximum video quantizer scale}}
 
{{Option|name=sout-avcodec-qmax|value=integer|description=Maximum video quantizer scale}}
 
{{Option|name=sout-avcodec-trellis|value=boolean|description=Trellis quantization|default=disabled}}
 
{{Option|name=sout-avcodec-trellis|value=boolean|description=Trellis quantization|default=disabled}}
−
{{Option|name=sout-avcodec-qscale|value=float|description=Fixed quantizer scale. The option range is [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]}}
+
{{Option|name=sout-avcodec-qscale|value=float|min=-340282346638528859811704183484516925440.000000|max=340282346638528859811704183484516925440.000000|description=Fixed quantizer scale}}
−
{{Option|name=sout-avcodec-strict|value=integer|description=Strict standard compliance. The option range is [-2 .. 2]}}
+
{{Option|name=sout-avcodec-strict|value=integer|min=-2|max=2|description=Strict standard compliance}}
−
{{Option|name=sout-avcodec-lumi-masking|value=float|description=Luminance masking. The option range is [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]}}
+
{{Option|name=sout-avcodec-lumi-masking|value=float|min=-340282346638528859811704183484516925440.000000|max=340282346638528859811704183484516925440.000000|description=Luminance masking}}
−
{{Option|name=sout-avcodec-dark-masking|value=float|description=Darkness masking. The option range is [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]}}
+
{{Option|name=sout-avcodec-dark-masking|value=float|min=-340282346638528859811704183484516925440.000000|max=340282346638528859811704183484516925440.000000|description=Darkness masking}}
−
{{Option|name=sout-avcodec-p-masking|value=float|description=Motion masking. The option range is [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]}}
+
{{Option|name=sout-avcodec-p-masking|value=float|min=-340282346638528859811704183484516925440.000000|max=340282346638528859811704183484516925440.000000|description=Motion masking}}
−
{{Option|name=sout-avcodec-border-masking|value=float|description=Border masking. The option range is [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]}}
+
{{Option|name=sout-avcodec-border-masking|value=float|min=-340282346638528859811704183484516925440.000000|max=340282346638528859811704183484516925440.000000|description=Border masking}}
 
{{Option|name=sout-avcodec-luma-elim-threshold|value=integer|description=Luminance elimination}}
 
{{Option|name=sout-avcodec-luma-elim-threshold|value=integer|description=Luminance elimination}}
 
{{Option|name=sout-avcodec-chroma-elim-threshold|value=integer|description=Chrominance elimination}}
 
{{Option|name=sout-avcodec-chroma-elim-threshold|value=integer|description=Chrominance elimination}}

Revision as of 15:23, 28 February 2019

Module: avcodec
Type codec library
First VLC version -
Last VLC version -
Operating system(s) all
Description Various audio and video decoders/encoders delivered by the FFmpeg library. This includes (MS)MPEG4, DivX, SV1, H261, H263, H264, WMV, WMA, AAC, AMR, DV, MJPEG and other codecs
Shortcut(s) -

libavcodec provided by the FFmpeg project. A full list of supported codecs may be found with modules/codec/avcodec/fourcc.c

Options as of 3.0.6:

Decoding

  • avcodec-dr <boolean> : Direct rendering default value: enabled
  • avcodec-corrupted <boolean> : Show corrupted frames default value: enabled
  • avcodec-error-resilience <integer> : Error resilience
  • avcodec-workaround-bugs <integer> : Workaround bugs
  • avcodec-hurry-up <boolean> : Hurry up default value: enabled
  • avcodec-skip-frame <integer> {-1 (None), 0 (Default), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All)} : Skip frame default value: 0
  • avcodec-skip-idct <integer> {-1 (None), 0 (Default), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All)} : Skip IDCT default value: 0
  • avcodec-fast <boolean> : Allow speed tricks default value: disabled
  • avcodec-skiploopfilter <integer> {0 (None), 1 (Non-ref), 2 (Bidir), 3 (Non-key), 4 (All)} : Skip the loop filter for H.264 decoding)
  • avcodec-debug <integer> : Debug mask
  • avcodec-codec <string> : Codec name
  • avcodec-hw <integer> {any,vdpau_avcodec,vaapi,vaapi_drm,none} : Hardware decoding
  • avcodec-threads <integer> : Threads
  • avcodec-options <string> : Advanced options

Encoding

  • sout-avcodec-codec <string> : Codec name
  • sout-avcodec-hq <string> {rd,bits,simple} : Quality level
  • sout-avcodec-keyint <integer> : Ratio of key frames
  • sout-avcodec-bframes <integer> : Ratio of B frames
  • sout-avcodec-hurry-up <boolean> : Hurry up default value: disabled
  • sout-avcodec-interlace <boolean> : Interlaced encoding default value: disabled
  • sout-avcodec-interlace-me <boolean> : Interlaced motion estimation default value: enabled
  • sout-avcodec-vt <integer> : Video bitrate tolerance
  • sout-avcodec-pre-me <boolean> : Pre-motion estimation default value: disabled
  • sout-avcodec-rc-buffer-size <integer> : Rate control buffer size
  • sout-avcodec-rc-buffer-aggressivity <float [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]> : Rate control buffer aggressiveness
  • sout-avcodec-i-quant-factor <float [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]> : I quantization factor
  • sout-avcodec-noise-reduction <integer> : Noise reduction
  • sout-avcodec-mpeg4-matrix <boolean> : MPEG4 quantization matrix default value: disabled
  • sout-avcodec-qmin <integer> : Minimum video quantizer scale
  • sout-avcodec-qmax <integer> : Maximum video quantizer scale
  • sout-avcodec-trellis <boolean> : Trellis quantization default value: disabled
  • sout-avcodec-qscale <float [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]> : Fixed quantizer scale
  • sout-avcodec-strict <integer [-2 .. 2]> : Strict standard compliance
  • sout-avcodec-lumi-masking <float [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]> : Luminance masking
  • sout-avcodec-dark-masking <float [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]> : Darkness masking
  • sout-avcodec-p-masking <float [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]> : Motion masking
  • sout-avcodec-border-masking <float [-340282346638528859811704183484516925440.000000 .. 340282346638528859811704183484516925440.000000]> : Border masking
  • sout-avcodec-luma-elim-threshold <integer> : Luminance elimination
  • sout-avcodec-chroma-elim-threshold <integer> : Chrominance elimination
  • sout-avcodec-aac-profile <string> : Specify AAC audio profile to use
  • sout-avcodec-options <string> : Advanced options

Source code

This page is part of official VLC media player Documentation (User Guide • Streaming HowTo • Hacker Guide • Modules)
Please read the Documentation Editing Guidelines before you edit the documentation
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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