C++ (Cpp) vout_display_opengl_Init Examples

Example #1

File: gl.c Project: banketree/faplayer

/**
 * Allocates a surface and an OpenGL context for video output.
 */
static int Open (vlc_object_t *obj)
{
    vout_display_t *vd = (vout_display_t *)obj;
    vout_display_sys_t *sys = malloc (sizeof (*sys));
    if (unlikely(sys == NULL))
        return VLC_ENOMEM;

    sys->gl = NULL;
    sys->pool = NULL;

    sys->window = MakeWindow (vd);
    if (sys->window == NULL)
        goto error;

    sys->gl = vlc_gl_Create (sys->window, API, "$" MODULE_VARNAME);
    if (sys->gl == NULL)
        goto error;

    if (vlc_gl_MakeCurrent (sys->gl))
        goto error;

    /* Initialize video display */
    if (vout_display_opengl_Init (&sys->vgl, &vd->fmt, sys->gl))
        goto error;

    vd->sys = sys;
    vd->info.has_pictures_invalid = false;
    vd->info.has_event_thread = false;
    vd->pool = Pool;
    vd->prepare = PictureRender;
    vd->display = PictureDisplay;
    vd->control = Control;
    vd->manage = NULL;
    return VLC_SUCCESS;

error:
    if (sys->gl != NULL)
        vlc_gl_Destroy (sys->gl);
    if (sys->window != NULL)
        vout_display_DeleteWindow (vd, sys->window);
    free (sys);
    return VLC_EGENERIC;
}

Example #2

File: opengl.c Project: paa/vlc

/*****************************************************************************
 * Init: initialize the OpenGL video thread output method
 *****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
    vout_sys_t *p_sys = p_vout->p_sys;

    p_sys->p_vout->pf_init( p_sys->p_vout );

    p_sys->gl.lock = OpenglLock;
    p_sys->gl.unlock = OpenglUnlock;
    p_sys->gl.swap = OpenglSwap;
    p_sys->gl.sys = p_sys->p_vout;

    video_format_t fmt;
    video_format_Init( &fmt, 0 );
    video_format_Setup( &fmt,
                        p_vout->render.i_chroma,
                        p_vout->render.i_width,
                        p_vout->render.i_height,
                        p_vout->render.i_aspect * p_vout->render.i_height,
                        VOUT_ASPECT_FACTOR      * p_vout->render.i_width );


    if( vout_display_opengl_Init( &p_sys->vgl, &fmt, &p_sys->gl ) )
    {
        I_OUTPUTPICTURES = 0;
        return VLC_EGENERIC;
    }
    p_sys->p_pool = vout_display_opengl_GetPool( &p_sys->vgl );
    if( !p_sys->p_pool )
    {
        vout_display_opengl_Clean( &p_sys->vgl );
        I_OUTPUTPICTURES = 0;
        return VLC_EGENERIC;
    }

    /* */
    p_vout->output.i_chroma = fmt.i_chroma;
    p_vout->output.i_rmask  = fmt.i_rmask;
    p_vout->output.i_gmask  = fmt.i_gmask;
    p_vout->output.i_bmask  = fmt.i_bmask;

    /* Since OpenGL can do rescaling for us, stick to the default
     * coordinates and aspect. */
    p_vout->output.i_width  = p_vout->render.i_width;
    p_vout->output.i_height = p_vout->render.i_height;
    p_vout->output.i_aspect = p_vout->render.i_aspect;

    p_vout->fmt_out = p_vout->fmt_in;
    p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;

    /* */
    p_sys->p_current = picture_pool_Get( p_sys->p_pool );
    p_vout->p_picture[0] = *p_sys->p_current;
    p_vout->p_picture[0].i_status = DESTROYED_PICTURE;
    p_vout->p_picture[0].i_type   = DIRECT_PICTURE;
    p_vout->p_picture[0].i_refcount = 0;
    p_vout->p_picture[0].p_sys = NULL;
    PP_OUTPUTPICTURE[0] = &p_vout->p_picture[0];

    I_OUTPUTPICTURES = 1;

    return VLC_SUCCESS;
}