X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=pbo_frame_allocator.h;h=9220491669c2a194bac2b3c2833d3c3f2ffaf696;hb=c015407a3953235df07a601baa6aa8e02ba7b561;hp=1155d20c1559abbd314585404e1af62dabe52d98;hpb=e18d9bad93d5bf766d52d0cb66db4c3d3f8a711b;p=nageru diff --git a/pbo_frame_allocator.h b/pbo_frame_allocator.h index 1155d20..9220491 100644 --- a/pbo_frame_allocator.h +++ b/pbo_frame_allocator.h @@ -1,34 +1,46 @@ #ifndef _PBO_FRAME_ALLOCATOR #define _PBO_FRAME_ALLOCATOR 1 +#include +#include +#include #include #include -#include -#include "bmusb.h" +#include "bmusb/bmusb.h" // An allocator that allocates straight into OpenGL pinned memory. // Meant for video frames only. We use a queue rather than a stack, // since we want to maximize pipelineability. -class PBOFrameAllocator : public FrameAllocator { +class PBOFrameAllocator : public bmusb::FrameAllocator { public: // Note: You need to have an OpenGL context when calling // the constructor. PBOFrameAllocator(size_t frame_size, + GLuint width, GLuint height, size_t num_queued_frames = 16, // FIXME: should be 6 GLenum buffer = GL_PIXEL_UNPACK_BUFFER_ARB, GLenum permissions = GL_MAP_WRITE_BIT, GLenum map_bits = GL_MAP_FLUSH_EXPLICIT_BIT); ~PBOFrameAllocator() override; - Frame alloc_frame() override; - void release_frame(Frame frame) override; + Frame alloc_frame() override; + void release_frame(Frame frame) override; -private: - size_t frame_size; + struct Userdata { + GLuint pbo; + // The second set is only used for the second field of interlaced inputs. + GLuint tex_y[2], tex_cbcr[2]; + GLuint last_width[2], last_height[2]; + bool last_interlaced, last_has_signal, last_is_connected; + unsigned last_frame_rate_nom, last_frame_rate_den; + }; + +private: std::mutex freelist_mutex; std::queue freelist; GLenum buffer; + std::unique_ptr userdata; }; #endif // !defined(_PBO_FRAME_ALLOCATOR)