feat: add vaapi path for video wallpapers on generic gpus

2026-10-27 02:15:16 +01:00
parent e655ec5bc7
commit b0cb43f75c
39 changed files with 1670 additions and 599 deletions
@@ -0,0 +1,83 @@
+#pragma once
+
+#include "videodecoder.hpp"
+
+#include <EGL/egl.h>
+
+#include <atomic>
+#include <mutex>
+#include <thread>
+
+#include <QSize>
+#include <QString>
+
+#include <EGL/egl.h>
+#ifdef ZHAVE_VAAPI
+#include <EGL/eglext.h>
+#endif
+
+extern "C" {
+#include <libavcodec/avcodec.h>
+#include <libavformat/avformat.h>
+#include <libavutil/buffer.h>
+#include <libavutil/frame.h>
+#include <libavutil/hwcontext.h>
+#include <libavutil/pixfmt.h>
+#include <libavutil/pixdesc.h>
+}
+
+namespace ZShell::wallpaper {
+
+class VaapiPlayer : public VideoDecoder {
+	public:
+	explicit VaapiPlayer(EGLDisplay display);
+	~VaapiPlayer() override;
+
+	[[nodiscard]] static bool available();
+
+	bool start(const QString& path) override;
+	void stop() override;
+	bool importCurrentFrame() override;
+	void deleteTexture() override;
+
+	[[nodiscard]] const char* backendName() const override { return "vaapi"; }
+
+	private:
+	void decodeLoop(const QString& path, uint32_t generation);
+	bool openDecoder(const QString& path);
+	void closeDecoder();
+
+	bool ensureDevice();
+	bool ensureTextures(unsigned w, unsigned h, int compBytes);
+
+#ifdef ZHAVE_VAAPI
+	bool importEglImages(AVFrame* frame);
+#endif
+
+	EGLDisplay m_eglDisplay = EGL_NO_DISPLAY;
+
+	std::thread m_thread;
+	std::atomic<bool> m_threadRunning{false};
+	std::atomic<uint32_t> m_generation{0};
+
+	mutable std::mutex m_mtx;
+	AVFrame* m_pending = nullptr;
+	bool m_haveFrame = false;
+
+	AVFrame* m_displayed = nullptr;
+
+	AVFormatContext* m_fmt = nullptr;
+	AVCodecContext* m_codec = nullptr;
+	AVBufferRef* m_hwDeviceCtx = nullptr;
+	int m_streamIndex = -1;
+
+	QSize m_texSize;
+	int m_texComp = 1;
+
+#ifdef ZHAVE_VAAPI
+	EGLImageKHR m_imageY = EGL_NO_IMAGE_KHR;
+	EGLImageKHR m_imageUV = EGL_NO_IMAGE_KHR;
+#endif
+};
+
+} // namespace ZShell::wallpaper