X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=pbo_frame_allocator.h;h=4ee3baaf5dbba6b0ea7f21b8c405b206af2d0142;hb=ba2dc655c098912b8860676596fe89c1305affe9;hp=5050f6fbdd1d34579627ba36605b7b3f609a1029;hpb=956a923ae947b58a21ed08ba5d30700633608468;p=nageru diff --git a/pbo_frame_allocator.h b/pbo_frame_allocator.h index 5050f6f..4ee3baa 100644 --- a/pbo_frame_allocator.h +++ b/pbo_frame_allocator.h @@ -2,19 +2,23 @@ #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, + PBOFrameAllocator(bmusb::PixelFormat pixel_format, + 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, @@ -26,12 +30,24 @@ 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; + + // The second set is only used for the second field of interlaced inputs. + GLuint tex_y[2], tex_cbcr[2]; // For FRAME_FORMAT_YCBCR_8BIT. + GLuint tex_v210[2], tex_444[2]; // For FRAME_FORMAT_YCBCR_10BIT. + GLuint last_width[2], last_height[2]; + GLuint last_v210_width[2]; // FRAME_FORMAT_YCBCR_10BIT. + 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;