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#ifndef MPGL_HWDEC_H_
#define MPGL_HWDEC_H_
#include "common.h"
#include "video/hwdec.h"
struct gl_hwdec {
const struct gl_hwdec_driver *driver;
struct mp_log *log;
struct mpv_global *global;
GL *gl;
struct mp_hwdec_devices *devs;
// For free use by hwdec driver
void *priv;
// For working around the vdpau vs. vaapi mess.
bool probing;
};
struct gl_hwdec_plane {
GLuint gl_texture;
GLenum gl_target;
int tex_w, tex_h; // allocated texture size
char swizzle[5]; // component order (if length is 0, use defaults)
};
struct gl_hwdec_frame {
struct gl_hwdec_plane planes[4];
};
struct gl_hwdec_driver {
// Name of the interop backend. This is used for informational purposes only.
const char *name;
// Used to explicitly request a specific API.
enum hwdec_type api;
// The hardware surface IMGFMT_ that must be passed to map_image later.
int imgfmt;
// Create the hwdec device. It must add it to hw->devs, if applicable.
int (*create)(struct gl_hwdec *hw);
// Prepare for rendering video. (E.g. create textures.)
// Called on initialization, and every time the video size changes.
// *params must be set to the format the hw textures return.
int (*reinit)(struct gl_hwdec *hw, struct mp_image_params *params);
// Return textures that contain a copy or reference of the given hw_image.
// The textures mirror the format returned by the reinit params argument.
// The textures must remain valid until unmap is called.
// hw_image remains referenced by the caller until unmap is called.
int (*map_frame)(struct gl_hwdec *hw, struct mp_image *hw_image,
struct gl_hwdec_frame *out_frame);
// Must be idempotent.
void (*unmap)(struct gl_hwdec *hw);
void (*destroy)(struct gl_hwdec *hw);
};
struct gl_hwdec *gl_hwdec_load_api(struct mp_log *log, GL *gl,
struct mpv_global *g,
struct mp_hwdec_devices *devs,
enum hwdec_type api);
void gl_hwdec_uninit(struct gl_hwdec *hwdec);
#endif
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