On date Saturday 2023-12-16 09:13:21 +0100, ffmpeg-devel Mailing List wrote:
> ---
> Changelog | 1 +
> MAINTAINERS | 1 +
> configure | 2 +
> doc/filters.texi | 33 +++++
> libavfilter/Makefile | 1 +
> libavfilter/allfilters.c | 1 +
> libavfilter/version.h | 2 +-
> libavfilter/vf_fsync.c | 286 +++++++++++++++++++++++++++++++++++++++
> 8 files changed, 326 insertions(+), 1 deletion(-)
> create mode 100644 libavfilter/vf_fsync.c
>
> diff --git a/Changelog b/Changelog
> index 67ef92eb02..a25278d227 100644
> --- a/Changelog
> +++ b/Changelog
> @@ -9,6 +9,7 @@ version <next>:
> - aap filter
> - demuxing, decoding, filtering, encoding, and muxing in the
> ffmpeg CLI now all run in parallel
> +- fsync filter
>
> version 6.1:
> - libaribcaption decoder
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 39b37ee0c5..4257fcad98 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -343,6 +343,7 @@ Filters:
> vf_delogo.c Jean Delvare (CC <jdelv...@suse.com>)
> vf_drawbox.c/drawgrid Andrey Utkin
> vf_extractplanes.c Paul B Mahol
> + vf_fsync.c Thilo Borgmann
> vf_histogram.c Paul B Mahol
> vf_hqx.c Clément Bœsch
> vf_idet.c Pascal Massimino
> diff --git a/configure b/configure
> index 7d2ee66000..2328c96dde 100755
> --- a/configure
> +++ b/configure
> @@ -3745,6 +3745,7 @@ frei0r_deps_any="libdl LoadLibrary"
> frei0r_filter_deps="frei0r"
> frei0r_src_filter_deps="frei0r"
> fspp_filter_deps="gpl"
> +fsync_filter_deps="avformat"
> gblur_vulkan_filter_deps="vulkan spirv_compiler"
> hflip_vulkan_filter_deps="vulkan spirv_compiler"
> histeq_filter_deps="gpl"
> @@ -7647,6 +7648,7 @@ enabled cover_rect_filter && prepend avfilter_deps
> "avformat avcodec"
> enabled ebur128_filter && enabled swresample && prepend avfilter_deps
> "swresample"
> enabled elbg_filter && prepend avfilter_deps "avcodec"
> enabled find_rect_filter && prepend avfilter_deps "avformat avcodec"
> +enabled fsync_filter && prepend avfilter_deps "avformat"
> enabled mcdeint_filter && prepend avfilter_deps "avcodec"
> enabled movie_filter && prepend avfilter_deps "avformat avcodec"
> enabled pan_filter && prepend avfilter_deps "swresample"
> diff --git a/doc/filters.texi b/doc/filters.texi
> index 6d00ba2c3f..9f19cba9df 100644
> --- a/doc/filters.texi
> +++ b/doc/filters.texi
> @@ -14681,6 +14681,39 @@ option may cause flicker since the B-Frames have
> often larger QP. Default is
>
> @end table
>
> +@anchor{fsync}
> +@section fsync
> +
> +Synchronize video frames with an external mapping from a file.
> +
> +For each input PTS given in the map file it either drops or creates as many
> frames as necessary to recreate the sequence of output frames given in the
> map file.
> +
> +This filter is useful to recreate the output frames of a framerate
> conversion by the @ref{fps} filter, recorded into a map file using the ffmpeg
> option @code{-stats_mux_pre}, and do further processing to the corresponding
> frames e.g. quality comparison.
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