ffxvid for Linux/BSD

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ChangeLog for ffxvid 1.2.2

* Initial support for HDR to SDR conversions. Requires FFmpeg to be compiled with the zimg library as it needs the zscale filter https://github.com/sekrit-twc/zimg

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ChangeLog for ffxvid 1.2.3

* Renamed array variable CHARS to VCHARS in the video_chars_func() function
* Report pixel format in the video_chars_func() function
* Use -v quiet instead of -v error log level for ffprobe
* Cosmetics

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ChangeLog for ffxvid 1.2.4

* Reworked the video_chars_func() function and added reporting of video bit depth
* Initial support for audio codec metadata when doing audio copy
* Increased default E-AC-3 audio bitrate from 768 to 960 kbps
* Set dialnorm for AC-3/E-AC-3 to its FFmpeg default (-31)
* Use a desat value of 2.5 for the tonemap filter when doing HDR to SDR conversions
* Don't use pix_fmts in the format filter. It is not really needed
* Removed 12-bit options from the video_pixfmt_func() function
* Cosmetics

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ChangeLog for ffxvid 1.2.5

* Don't hardcode the desaturation strength of the tonemap filter but let is be an option
* Removed the matrix and primaries options in the zscale filter as it leads to over-saturation of colors
* Support tweaking the tonemap algorithms for HDR to SDR conversion
* Support applying color saturation correction when doing an HDR to SDR conversion
* Added bt2020-12 to the list of transfers when doing color characteristics copy
* Added HDR_to_SDR_instructions.txt file to the package

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ChangeLog for ffxvid 1.2.6

* Moved the eq filter to almost the end of the video filter chain as it can lead to banding in certain cases in case the filter is in front of most other ones
* If the eq filter is used, also insert the format one after it if a pixel format has been chosen
* Fixed a possible devision by 0 that may occur when one copies audio and the bitrate for metadata is reported as N/A by ffprobe

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ChangeLog for ffxvid 1.2.7

* Fixed an issue where in some cases write-testing the output directory will fail due usage of readlink -f instead of readlink -m
* Update transfer chars to support latest changes to zimg from git

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ChangeLog for ffxvid 1.2.8

* Set the eq saturation default value to 1.0 (same as filter default)
* Add the colorspace and colormatrix filters when doing an HDR to SDR conversion
* Lower tonemap desat strength to 2.8
* Support white point adaptation for HDR to SDR
* Moved the colorspace filter after the scale one
* Moved the pixel format filter near the end of the filter chain

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ChangeLog for ffxvid 1.2.9

* Added support for the bm3d denoise filter

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ChangeLog for version 1.3.0

* Added support for crop preview using MPlayer when autocrop is enabled in the config file. This was ported over from my h264enc script

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ChangeLog for ffxvid 1.3.1

* Add audio sample rate to the audio metadata

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ChangeLog for ffxvid 1.3.2

* Use a comma instead of a dash for the audio sample rate metadata

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ChangeLog for ffxvid 1.3.3

* Code optimization in the audio sample rate metadata

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ChangeLog for ffxvid 1.3.4

* Add audio channel metadata when using audio copy

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ChangeLog for ffxvid 1.3.5

* Improvements to the audio copy metadata

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ChangeLog for ffxvid 1.3.6

* Support encoding to WMAv1 and WMAv2 audio
* Update high bit depth pixel formats options
* Add WMAv1 and WMAv2 audio detection metadata when doing audio copy

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ChangeLog for ffxvid 1.3.7

* Add side channel info to the audio metadata

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ChangeLog for ffxvid 1.3.8

* For audio stream copy, in case ffprobe reports channels layout as unknown, try to guess the amount of channels based on channel detection and use that as metadata
* Set Mobisu transform as default for HDR to SDR
* Updated the man page

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ChangeLog for ffxvid 1.3.9

* Use the audindex[i] variable for audio metadata during audio copy
* Don't use audio metadata when using audio copy and running in batch mode
* Updated default audio bitrates for some codecs

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ChangeLog for ffxvid 1.4.0

* Revert using audindex[i] var for audio metadata during copy

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ChangeLog for ffxvid 1.4.1

* Support hardcoding external or embedded subtitles. Requires libass support in FFmpeg
* Fixed a typo in the subtitles code