Quoting Niklas Haas (2022-02-17 19:03:19)
> From: Niklas Haas <g...@haasn.dev>
>
> Option boilerplate. Very soon we shall definitely need to add some sort
> of generic forward-proof option parsing mechanism to libplacebo..
> ---
> libavfilter/vf_libplacebo.c | 78 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 78 insertions(+)
>
> diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c
> index 31ae28ac38..0ee2db80ed 100644
> --- a/libavfilter/vf_libplacebo.c
> +++ b/libavfilter/vf_libplacebo.c
> @@ -26,6 +26,14 @@
> #include <libplacebo/utils/libav.h>
> #include <libplacebo/vulkan.h>
>
> +struct custom_lut {
> + const struct pl_custom_lut *lut;
> + char *path;
> + void *bin;
> + int bin_len;
> + int type;
> +};
> +
> typedef struct LibplaceboContext {
> /* lavfi vulkan*/
> FFVulkanContext vkctx;
> @@ -115,6 +123,11 @@ typedef struct LibplaceboContext {
> int shader_bin_len;
> const struct pl_hook *hooks[2];
> int num_hooks;
> +
> + /* custom LUTs */
> + struct custom_lut lut;
> + struct custom_lut input_lut;
> + struct custom_lut output_lut;
> } LibplaceboContext;
>
> static inline enum pl_log_level get_log_level(void)
> @@ -202,6 +215,37 @@ static int libplacebo_init(AVFilterContext *avctx)
> return 0;
> }
>
> +static int load_custom_lut(AVFilterContext *avctx, struct custom_lut *lut)
> +{
> + LibplaceboContext *s = avctx->priv;
> + uint8_t *buf = NULL;
> + size_t buf_len;
> + int err;
> +
> + if (lut->bin_len) {
> + // Binary specified
> + buf = lut->bin;
> + buf_len = lut->bin_len;
> + } else if (lut->path) {
> + // File path specified
> + if ((err = av_file_map(lut->path, &buf, &buf_len, 0, s)))
Non-overridable IO in random places is evil.
--
Anton Khirnov
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