BestAudioSource
From Avisynth wiki
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| − | {{ | + | {{FilterCat4|External_filters|Plugins|Plugins_x64|Source_filters}} |
{{Filter3 | {{Filter3 | ||
|1={{Author/Myrsloik}} | |1={{Author/Myrsloik}} | ||
| − | |2= | + | |2=r1 |
| − | |3=[https:// | + | |3=[https://github.com/vapoursynth/bestaudiosource/releases bas-r1.7z] |
|4=Source filters | |4=Source filters | ||
| − | |5= | + | |5=[https://github.com/vapoursynth/bestaudiosource/blob/master/COPYING MIT] |
|6=[https://forum.doom9.org/showthread.php?t=177337 Doom9 Thread]}} | |6=[https://forum.doom9.org/showthread.php?t=177337 Doom9 Thread]}} | ||
== Description == | == Description == | ||
| − | A new sample accurate but somewhat slow FFmpeg based audio source filter for AviSynth | + | A new sample accurate but somewhat slow FFmpeg based audio source filter for AviSynth. No indexing is required. |
<br> | <br> | ||
<br> | <br> | ||
== Requirements == | == Requirements == | ||
| − | * [x64] [[AviSynth+]] | + | * [x86]: [[AviSynth+]] or [https://sourceforge.net/projects/avisynth2/ AviSynth 2.6] |
| + | * [x64]: [[AviSynth+]] | ||
<br> | <br> | ||
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== Changelog == | == Changelog == | ||
Version Date Changes<br> | Version Date Changes<br> | ||
| + | r1 2021/09/11 - First release. Everything except automatic delay adjustment implemented. | ||
test8 2021/08/17 - Updated with several new options, including drc_scale. | test8 2021/08/17 - Updated with several new options, including drc_scale. | ||
test7 2020/08/02 - VapourSynth: update for V4 api again; fixed all known bugs and should be fairly stable | test7 2020/08/02 - VapourSynth: update for V4 api again; fixed all known bugs and should be fairly stable | ||
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|[https://www.dropbox.com/s/6a65wt49r7fck15/BestAudioSource-test8.7z?dl=1 BestAudioSource-test8.7z] | |[https://www.dropbox.com/s/6a65wt49r7fck15/BestAudioSource-test8.7z?dl=1 BestAudioSource-test8.7z] | ||
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== External Links == | == External Links == | ||
*[https://github.com/vapoursynth/bestaudiosource GitHub] - Source code repository. | *[https://github.com/vapoursynth/bestaudiosource GitHub] - Source code repository. | ||
Latest revision as of 05:15, 12 September 2021
| Abstract | |
|---|---|
| Author | Myrsloik |
| Version | r1 |
| Download | bas-r1.7z |
| Category | Source filters |
| License | MIT |
| Discussion | Doom9 Thread |
Contents |
[edit] Description
A new sample accurate but somewhat slow FFmpeg based audio source filter for AviSynth. No indexing is required.
[edit] Requirements
- [x86]: AviSynth+ or AviSynth 2.6
- [x64]: AviSynth+
[edit] Syntax and Parameters
- BestAudioSource (string "source", int "track", int "adjustdelay", bool "exactsamples", bool "enable_drefs", bool "use_absolute_path", float "drc_scale", string "varprefix")
- string source =
- Path to audio file. Path can be omitted if the script is in the same folder as the audio file.
- string source =
- int track = -1
- Positive track numbers refer to the FFmpeg given stream number. Negative numbers refer to the nth audio track with -1 being the first.
- int track = -1
- int adjustdelay = -1
- Delay adjustment; not yet implemented.
- int adjustdelay = -1
- bool exactsamples = false
- Set to true if you want opening files to be really slow but for some reason need a completely sample exact length.
- bool exactsamples = false
- bool enable_drefs = false
- Enable loading of external tracks, disabled by default.
- bool enable_drefs = false
- bool use_absolute_path = false
- Allows loading of external tracks via absolute paths, disabled by default.
- bool use_absolute_path = false
- float drc_scale = 0.0
- Dynamic Range Scale Factor. The factor to apply to dynamic range values from the AC-3 stream. This factor is applied exponentially.
- The default value is 0. There are 3 notable scale factor ranges:
drc_scale == 0
DRC disabled. Produces full range audio.0 < drc_scale <= 1
DRC enabled. Applies a fraction of the stream DRC value. Audio reproduction is between full range and full compression.drc_scale > 1
DRC enabled. Applies drc_scale asymmetrically. Loud sounds are fully compressed. Soft sounds are enhanced.
- float drc_scale = 0.0
- string varprefix = ""
- Works the same as FFMS2.
"BASCHANNEL_LAYOUT"- "BASVALID_BITS"
- Works the same as FFMS2.
- string varprefix = ""
[edit] Examples
BestAudioSource("blah.mp4", track=-1, adjustdelay=-1, exactsamples=false, enable_drefs=false, use_absolute_path=false, drc_scale=0)
[edit] Changelog
Version Date Changes
r1 2021/09/11 - First release. Everything except automatic delay adjustment implemented. test8 2021/08/17 - Updated with several new options, including drc_scale. test7 2020/08/02 - VapourSynth: update for V4 api again; fixed all known bugs and should be fairly stable test6 2020/06/23 - Fixes clips with more than 2^31 samples in VS and adds 24 bit output to AviSynth. test5 2020/06/13 - Properly export the number of bits per sample test4 2020/06/09 - Update for latest audio api revision test3 2020/01/26 - Fixes the channel mask variable that was previously almost always wrong in AviSynth. - Also add VapourSynth support. test2 2020/01/08 - Fixed output and new parameter "exactsamples" test1 2020/01/07 - Initial release
[edit] Archived Downloads
| Version | Download | Mirror |
|---|---|---|
| test8 | BestAudioSource-test8.7z |
[edit] External Links
- GitHub - Source code repository.
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