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3e5aa9b127
The platforms that would most benefit (embedded V4L2 decoders) either don't use frame pooling or don't synchronize with modified DMA-BUFs unless eglCreateImage() is called each time.
83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
#pragma once
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#include "renderer.h"
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#ifdef HAVE_LIBVA
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#include <va/va_drmcommon.h>
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#endif
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#include <optional>
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class EglImageFactory
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{
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class EglImageContext {
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public:
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EglImageContext(EGLDisplay display, PFNEGLDESTROYIMAGEPROC fn_eglDestroyImage, PFNEGLDESTROYIMAGEKHRPROC fn_eglDestroyImageKHR) :
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m_Display(display),
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m_eglDestroyImage(fn_eglDestroyImage),
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m_eglDestroyImageKHR(fn_eglDestroyImageKHR) {}
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EglImageContext(const EglImageContext& other) = delete;
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EglImageContext(EglImageContext&& other) {
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// Copy the basic EGL state
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m_Display = other.m_Display;
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m_eglDestroyImage = other.m_eglDestroyImage;
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m_eglDestroyImageKHR = other.m_eglDestroyImageKHR;
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// Transfer ownership of the EGLImages
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memcpy(images, other.images, other.count * sizeof(EGLImage));
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count = other.count;
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other.count = 0;
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}
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~EglImageContext() {
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for (ssize_t i = 0; i < count; ++i) {
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if (m_eglDestroyImage) {
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m_eglDestroyImage(m_Display, images[i]);
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}
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else {
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m_eglDestroyImageKHR(m_Display, images[i]);
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}
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}
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}
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EGLImage images[EGL_MAX_PLANES] {};
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ssize_t count = 0;
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private:
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EGLDisplay m_Display;
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PFNEGLDESTROYIMAGEPROC m_eglDestroyImage;
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PFNEGLDESTROYIMAGEKHRPROC m_eglDestroyImageKHR;
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};
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public:
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EglImageFactory(IFFmpegRenderer* renderer);
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bool initializeEGL(EGLDisplay, const EGLExtensions &ext);
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void resetCache();
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#ifdef HAVE_DRM
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ssize_t exportDRMImages(AVFrame* frame, EGLDisplay dpy, EGLImage images[EGL_MAX_PLANES]);
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#endif
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#ifdef HAVE_LIBVA
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ssize_t exportVAImages(AVFrame* frame, uint32_t exportFlags, EGLDisplay dpy, EGLImage images[EGL_MAX_PLANES]);
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#endif
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void freeEGLImages();
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bool supportsImportingFormat(EGLDisplay dpy, EGLint format);
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bool supportsImportingModifier(EGLDisplay dpy, EGLint format, EGLuint64KHR modifier);
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private:
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IFFmpegRenderer* m_Renderer;
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std::optional<EglImageContext> m_LastImageCtx;
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bool m_EGLExtDmaBuf;
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PFNEGLCREATEIMAGEPROC m_eglCreateImage;
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PFNEGLDESTROYIMAGEPROC m_eglDestroyImage;
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PFNEGLCREATEIMAGEKHRPROC m_eglCreateImageKHR;
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PFNEGLDESTROYIMAGEKHRPROC m_eglDestroyImageKHR;
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PFNEGLQUERYDMABUFFORMATSEXTPROC m_eglQueryDmaBufFormatsEXT;
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PFNEGLQUERYDMABUFMODIFIERSEXTPROC m_eglQueryDmaBufModifiersEXT;
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};
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