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feat(libplacebo): added Vulkan device selection for libplacebo

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Signed-off-by: k4yt3x <i@k4yt3x.com>
This commit is contained in:
k4yt3x
2024-11-04 00:00:00 +00:00
parent 77a06e7d92
commit ec4b51064a
6 changed files with 37 additions and 15 deletions
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19
src/libplacebo.cpp
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@@ -2,25 +2,37 @@
#include <stdio.h>
#include <stdlib.h>
#include <string>
extern "C" {
#include <libavutil/dict.h>
#include <libavutil/opt.h>
}
#include <spdlog/spdlog.h>
int init_libplacebo(
AVBufferRef *hw_ctx,
AVFilterGraph **filter_graph,
AVFilterContext **buffersrc_ctx,
AVFilterContext **buffersink_ctx,
AVCodecContext *dec_ctx,
int out_width,
int out_height,
uint32_t vk_device_index,
const std::filesystem::path &shader_path
) {
int ret;
// Create the Vulkan hardware device context
AVBufferRef *vk_hw_device_ctx = nullptr;
ret = av_hwdevice_ctx_create(
&vk_hw_device_ctx, AV_HWDEVICE_TYPE_VULKAN, std::to_string(vk_device_index).c_str(), NULL, 0
);
if (ret < 0) {
spdlog::error("Failed to create Vulkan hardware device context.");
return ret;
}
AVFilterGraph *graph = avfilter_graph_alloc();
if (!graph) {
spdlog::error("Unable to create filter graph.");
@@ -106,9 +118,8 @@ int init_libplacebo(
}
// Set the hardware device context to Vulkan
if (hw_ctx != nullptr) {
libplacebo_ctx->hw_device_ctx = av_buffer_ref(hw_ctx);
}
libplacebo_ctx->hw_device_ctx = av_buffer_ref(vk_hw_device_ctx);
av_buffer_unref(&vk_hw_device_ctx);
// Link buffersrc to libplacebo
ret = avfilter_link(last_filter, 0, libplacebo_ctx, 0);