ffmpeg | branch: master | Niklas Haas <g...@haasn.dev> | Wed May 14 15:16:50 2025 +0200| [559317cc13577cebffc544c5b221819baaf957c4] | committer: Niklas Haas
avfilter/vf_libplacebo: add shader_cache option Useful to speed up shader compilation. May significantly lower startup times, in particular with large or complex shaders. Sponsored-by: nxtedition > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=559317cc13577cebffc544c5b221819baaf957c4 --- doc/filters.texi | 12 ++++++++++++ libavfilter/vf_libplacebo.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/doc/filters.texi b/doc/filters.texi index 434fdec109..6d2df07508 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -16321,6 +16321,18 @@ to double the input image resolution: -vf "libplacebo=w=iw*2:h=ih*2:extra_opts='upscaler=custom\:upscaler_preset=ewa_lanczos\:upscaler_blur=0.9812505644269356'" @end example + +@item shader_cache +File path of a cache directory that libplacebo will use to store and load +cached shader objects. This cache is not cleaned up automatically. If the +path does not end in a directory separator, the generated filenames will be +effectively prefixed by the last path component. All directories must already +exist. + +@example +-vf "libplacebo=shader_cache=/tmp/pl-shader-" +@end example + @item colorspace @item color_primaries @item color_trc diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c index 7accf8ead9..9ff64053cc 100644 --- a/libavfilter/vf_libplacebo.c +++ b/libavfilter/vf_libplacebo.c @@ -196,6 +196,11 @@ typedef struct LibplaceboContext { int rotation; AVDictionary *extra_opts; +#if PL_API_VER >= 351 + pl_cache cache; + char *shader_cache; +#endif + int have_hwdevice; /* pl_render_params */ @@ -523,6 +528,21 @@ static int libplacebo_init(AVFilterContext *avctx) return AVERROR(ENOMEM); } +#if PL_API_VER >= 351 + if (s->shader_cache && s->shader_cache[0]) { + s->cache = pl_cache_create(pl_cache_params( + .log = s->log, + .get = pl_cache_get_file, + .set = pl_cache_set_file, + .priv = s->shader_cache, + )); + if (!s->cache) { + libplacebo_uninit(avctx); + return AVERROR(ENOMEM); + } + } +#endif + if (s->out_format_string) { s->out_format = av_get_pix_fmt(s->out_format_string); if (s->out_format == AV_PIX_FMT_NONE) { @@ -677,6 +697,9 @@ static int init_vulkan(AVFilterContext *avctx, const AVVulkanDeviceContext *hwct } s->gpu = s->vulkan->gpu; +#if PL_API_VER >= 351 + pl_gpu_set_cache(s->gpu, s->cache); +#endif /* Parse the user shaders, if requested */ if (s->shader_bin_len) @@ -715,6 +738,9 @@ static void libplacebo_uninit(AVFilterContext *avctx) av_freep(&s->inputs); } +#if PL_API_VER >= 351 + pl_cache_destroy(&s->cache); +#endif pl_options_free(&s->opts); pl_vulkan_destroy(&s->vulkan); pl_log_destroy(&s->log); @@ -1344,6 +1370,9 @@ static const AVOption libplacebo_options[] = { { "fillcolor", "Background fill color", OFFSET(fillcolor), AV_OPT_TYPE_COLOR, {.str = "black@0"}, .flags = DYNAMIC }, { "corner_rounding", "Corner rounding radius", OFFSET(corner_rounding), AV_OPT_TYPE_FLOAT, {.dbl = 0.0}, 0.0, 1.0, .flags = DYNAMIC }, { "extra_opts", "Pass extra libplacebo-specific options using a :-separated list of key=value pairs", OFFSET(extra_opts), AV_OPT_TYPE_DICT, .flags = DYNAMIC }, +#if PL_API_VER >= 351 + { "shader_cache", "Set shader cache path", OFFSET(shader_cache), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = STATIC }, +#endif {"colorspace", "select colorspace", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_SPC_NB-1, DYNAMIC, .unit = "colorspace"}, {"auto", "keep the same colorspace", 0, AV_OPT_TYPE_CONST, {.i64=-1}, INT_MIN, INT_MAX, STATIC, .unit = "colorspace"}, _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
