X-Git-Url: https://git.sesse.net/?p=nageru;a=blobdiff_plain;f=pbo_frame_allocator.h;h=37fd383c3ae6aa8a32c25e03cfa8197d3d5c468e;hp=aedae3b99cc89d5d8085c95694d73ea95a49d458;hb=refs%2Fheads%2Fcef;hpb=a98732df9454028ddaa54a9d07b5d7513767bfe9 diff --git a/pbo_frame_allocator.h b/pbo_frame_allocator.h index aedae3b..37fd383 100644 --- a/pbo_frame_allocator.h +++ b/pbo_frame_allocator.h @@ -2,23 +2,27 @@ #define _PBO_FRAME_ALLOCATOR 1 #include +#include #include #include #include #include +#include + #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, + PBOFrameAllocator(bmusb::PixelFormat pixel_format, + size_t frame_size, GLuint width, GLuint height, - size_t num_queued_frames = 16, // FIXME: should be 6 + size_t num_queued_frames = 16, GLenum buffer = GL_PIXEL_UNPACK_BUFFER_ARB, GLenum permissions = GL_MAP_WRITE_BIT, GLenum map_bits = GL_MAP_FLUSH_EXPLICIT_BIT); @@ -28,13 +32,30 @@ public: struct Userdata { GLuint pbo; - GLuint tex_y, tex_cbcr; - GLuint last_width, last_height; + + // NOTE: These frames typically go into LiveInputWrapper, which is + // configured to accept one type of frame only. In other words, + // the existence of a format field doesn't mean you can set it + // freely at runtime. + bmusb::PixelFormat pixel_format; + + // Used only for PixelFormat_8BitYCbCrPlanar. + movit::YCbCrFormat ycbcr_format; + + // The second set is only used for the second field of interlaced inputs. + GLuint tex_y[2], tex_cbcr[2]; // For PixelFormat_8BitYCbCr. + GLuint tex_cb[2], tex_cr[2]; // For PixelFormat_8BitYCbCrPlanar (which also uses tex_y). + GLuint tex_v210[2], tex_444[2]; // For PixelFormat_10BitYCbCr. + GLuint tex_rgba[2]; // For PixelFormat_8BitBGRA. + GLuint last_width[2], last_height[2]; + GLuint last_cbcr_width[2], last_cbcr_height[2]; + GLuint last_v210_width[2]; // PixelFormat_10BitYCbCr. + bool last_interlaced, last_has_signal, last_is_connected; + unsigned last_frame_rate_nom, last_frame_rate_den; }; private: - size_t frame_size; - + bmusb::PixelFormat pixel_format; std::mutex freelist_mutex; std::queue freelist; GLenum buffer;