module_sdl2.c

#define _POSIX_C_SOURCE 200809L

#define __LKT_MODULE_MAIN_SOURCE__
#include <lektor/lktmodule.h>

#include "mpv.h"
#include "thread.h"

#include <sqlite3.h>
#include <sched.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <SDL.h>
#include <mpv/render_gl.h>
#include <mpv/client.h>

#define WIDTH   400
#define HEIGHT  200

static volatile Uint32 wakeup_on_mpv_render_update, wakeup_on_mpv_events;

struct module_sdl2_window {
    /* Related to SDL2 */
    volatile SDL_Window *window;
    volatile SDL_GLContext glcontext;
    int is_fullscreen;

    /* Mpv related */
    volatile mpv_handle *mpv;
    volatile mpv_render_context *mpv_gl;
    volatile int mpv_time_pos;  /* Don't write it in the database       */
    volatile int mpv_duration;  /* Because don't need to be persistent  */
    volatile int state;

    /* Thread related */
    struct poller_thread self;
    volatile int launched;  /* SDL you sucks */

    /* Things from the server */
    struct queue *queue;
    volatile sqlite3 *db;
};

/************************
 * Function definitions *
 ************************/

static bool module_sdl2_get_elapsed(struct module_sdl2_window *, int *);
static bool module_sdl2_get_duration(struct module_sdl2_window *, int *);
static bool module_sdl2_set_volume(struct module_sdl2_window *, int);
static bool module_sdl2_load_file(struct module_sdl2_window *, const char *);
static bool module_sdl2_toggle_pause(struct module_sdl2_window *);
static void module_sdl2_free(struct module_sdl2_window *);
static void module_sdl2_close(struct module_sdl2_window *);
static bool module_sdl2_new(struct module_sdl2_window **, struct queue *, volatile sqlite3 *);

/*********************
 * Private functions *
 *********************/

static inline void *
get_proc_address_mpv(void UNUSED *fn_ctx, const char *name)
{
    return SDL_GL_GetProcAddress(name);
}

static inline void