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Use AVBufferRefs to keep EGLImages and DRM FDs around for the lifetime of the frame

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This commit is contained in:
Cameron Gutman
2026-01-04 18:06:24 -06:00
parent 67cba9e397
commit 46c76534bc
8 changed files with 68 additions and 100 deletions
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app/streaming/video/ffmpeg-renderers/eglimagefactory.h
+3 -15
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@@ -18,18 +18,7 @@ class EglImageFactory
m_eglDestroyImageKHR(fn_eglDestroyImageKHR) {}
EglImageContext(const EglImageContext& other) = delete;
EglImageContext(EglImageContext&& other) {
// Copy the basic EGL state
m_Display = other.m_Display;
m_eglDestroyImage = other.m_eglDestroyImage;
m_eglDestroyImageKHR = other.m_eglDestroyImageKHR;
// Transfer ownership of the EGLImages
memcpy(images, other.images, other.count * sizeof(EGLImage));
count = other.count;
other.count = 0;
}
EglImageContext(EglImageContext&& other) = delete;
~EglImageContext() {
for (ssize_t i = 0; i < count; ++i) {
@@ -64,14 +53,13 @@ public:
ssize_t exportVAImages(AVFrame* frame, uint32_t exportFlags, EGLDisplay dpy, EGLImage images[EGL_MAX_PLANES]);
#endif
void freeEGLImages();
bool supportsImportingFormat(EGLDisplay dpy, EGLint format);
bool supportsImportingModifier(EGLDisplay dpy, EGLint format, EGLuint64KHR modifier);
private:
static void freeEglImageContextBuffer(void* opaque, uint8_t* data);
IFFmpegRenderer* m_Renderer;
std::optional<EglImageContext> m_LastImageCtx;
bool m_EGLExtDmaBuf;
PFNEGLCREATEIMAGEPROC m_eglCreateImage;
PFNEGLDESTROYIMAGEPROC m_eglDestroyImage;