#include <mutex>
#include <queue>
+#include <movit/ycbcr.h>
+
#include "bmusb/bmusb.h"
// An allocator that allocates straight into OpenGL pinned memory.
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);
struct Userdata {
GLuint pbo;
+ // 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 8-bit.
- GLuint tex_v210[2], tex_444[2]; // For 10-bit.
+ 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_v210_width[2]; // For 10-bit.
+ 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:
+ bmusb::PixelFormat pixel_format;
std::mutex freelist_mutex;
std::queue<Frame> freelist;
GLenum buffer;