X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=pbo_frame_allocator.h;h=37fd383c3ae6aa8a32c25e03cfa8197d3d5c468e;hb=d3e48df512d9476d3849227067792a3537bb094e;hp=5050f6fbdd1d34579627ba36605b7b3f609a1029;hpb=956a923ae947b58a21ed08ba5d30700633608468;p=nageru diff --git a/pbo_frame_allocator.h b/pbo_frame_allocator.h index 5050f6f..37fd383 100644 --- a/pbo_frame_allocator.h +++ b/pbo_frame_allocator.h @@ -2,21 +2,27 @@ #define _PBO_FRAME_ALLOCATOR 1 #include +#include +#include +#include #include #include -#include "bmusb.h" +#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); @@ -26,12 +32,30 @@ public: struct Userdata { GLuint pbo; - GLuint tex_y, tex_cbcr; + + // 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;