コード例 #1
0
ファイル: vo_x11.c プロジェクト: JasonFengIce/mplayer-android
static void flip_page(void)
{
    Display_Image(myximage, ImageData);
    XSync(mDisplay, False);
}
コード例 #2
0
ファイル: vo_x11.c プロジェクト: chyiz/mpv
static bool resize(struct vo *vo)
{
    struct priv *p = vo->priv;
    struct vo_x11_state *x11 = vo->x11;

    for (int i = 0; i < 2; i++)
        freeMyXImage(p, i);

    vo_get_src_dst_rects(vo, &p->src, &p->dst, &p->osd);

    p->src_w = p->src.x1 - p->src.x0;
    p->src_h = p->src.y1 - p->src.y0;
    p->dst_w = p->dst.x1 - p->dst.x0;
    p->dst_h = p->dst.y1 - p->dst.y0;

    // p->osd contains the parameters assuming OSD rendering in window
    // coordinates, but OSD can only be rendered in the intersection
    // between window and video rectangle (i.e. not into panscan borders).
    p->osd.w = p->dst_w;
    p->osd.h = p->dst_h;
    p->osd.mt = MPMIN(0, p->osd.mt);
    p->osd.mb = MPMIN(0, p->osd.mb);
    p->osd.mr = MPMIN(0, p->osd.mr);
    p->osd.ml = MPMIN(0, p->osd.ml);

    mp_input_set_mouse_transform(vo->input_ctx, &p->dst, NULL);

    p->image_width = (p->dst_w + 7) & (~7);
    p->image_height = p->dst_h;

    for (int i = 0; i < 2; i++) {
        if (!getMyXImage(p, i))
            return -1;
    }

    const struct fmt_entry *fmte = mp_to_x_fmt;
    while (fmte->mpfmt) {
        if (fmte->depth == p->myximage[0]->bits_per_pixel &&
            fmte->byte_order == p->myximage[0]->byte_order &&
            fmte->red_mask == p->myximage[0]->red_mask &&
            fmte->green_mask == p->myximage[0]->green_mask &&
            fmte->blue_mask == p->myximage[0]->blue_mask)
            break;
        fmte++;
    }
    if (!fmte->mpfmt) {
        MP_ERR(vo, "X server image format not supported, use another VO.\n");
        return -1;
    }

    mp_sws_set_from_cmdline(p->sws, vo->opts->sws_opts);
    p->sws->dst = (struct mp_image_params) {
        .imgfmt = fmte->mpfmt,
        .w = p->dst_w,
        .h = p->dst_h,
        .p_w = 1,
        .p_h = 1,
    };
    mp_image_params_guess_csp(&p->sws->dst);

    if (mp_sws_reinit(p->sws) < 0)
        return false;

    XFillRectangle(x11->display, x11->window, p->gc, 0, 0, vo->dwidth, vo->dheight);

    vo->want_redraw = true;
    return true;
}

static void Display_Image(struct priv *p, XImage *myximage)
{
    struct vo *vo = p->vo;

    XImage *x_image = p->myximage[p->current_buf];

#if HAVE_SHM && HAVE_XEXT
    if (p->Shmem_Flag) {
        XShmPutImage(vo->x11->display, vo->x11->window, p->gc, x_image,
                     0, 0, p->dst.x0, p->dst.y0, p->dst_w, p->dst_h,
                     True);
        vo->x11->ShmCompletionWaitCount++;
    } else
#endif
    {
        XPutImage(vo->x11->display, vo->x11->window, p->gc, x_image,
                  0, 0, p->dst.x0, p->dst.y0, p->dst_w, p->dst_h);
    }
}

static struct mp_image get_x_buffer(struct priv *p, int buf_index)
{
    struct mp_image img = {0};
    mp_image_set_params(&img, &p->sws->dst);

    img.planes[0] = p->myximage[buf_index]->data;
    img.stride[0] =
        p->image_width * ((p->myximage[buf_index]->bits_per_pixel + 7) / 8);

    return img;
}

static void wait_for_completion(struct vo *vo, int max_outstanding)
{
#if HAVE_SHM && HAVE_XEXT
    struct priv *ctx = vo->priv;
    struct vo_x11_state *x11 = vo->x11;
    if (ctx->Shmem_Flag) {
        while (x11->ShmCompletionWaitCount > max_outstanding) {
            if (!ctx->Shm_Warned_Slow) {
                MP_WARN(vo, "can't keep up! Waiting"
                            " for XShm completion events...\n");
                ctx->Shm_Warned_Slow = 1;
            }
            mp_sleep_us(1000);
            vo_x11_check_events(vo);
        }
    }
#endif
}

static void flip_page(struct vo *vo)
{
    struct priv *p = vo->priv;
    Display_Image(p, p->myximage[p->current_buf]);
    p->current_buf = (p->current_buf + 1) % 2;
}

// Note: REDRAW_FRAME can call this with NULL.
static void draw_image(struct vo *vo, mp_image_t *mpi)
{
    struct priv *p = vo->priv;

    wait_for_completion(vo, 1);

    struct mp_image img = get_x_buffer(p, p->current_buf);

    if (mpi) {
        struct mp_image src = *mpi;
        struct mp_rect src_rc = p->src;
        src_rc.x0 = MP_ALIGN_DOWN(src_rc.x0, src.fmt.align_x);
        src_rc.y0 = MP_ALIGN_DOWN(src_rc.y0, src.fmt.align_y);
        mp_image_crop_rc(&src, src_rc);

        mp_sws_scale(p->sws, &img, &src);
    } else {
        mp_image_clear(&img, 0, 0, img.w, img.h);
    }

    osd_draw_on_image(vo->osd, p->osd, mpi ? mpi->pts : 0, 0, &img);

    if (mpi != p->original_image) {
        talloc_free(p->original_image);
        p->original_image = mpi;
    }
}

static int query_format(struct vo *vo, int format)
{
    if (sws_isSupportedInput(imgfmt2pixfmt(format)))
        return 1;
    return 0;
}

static void uninit(struct vo *vo)
{
    struct priv *p = vo->priv;
    if (p->myximage[0])
        freeMyXImage(p, 0);
    if (p->myximage[1])
        freeMyXImage(p, 1);
    if (p->gc)
        XFreeGC(vo->x11->display, p->gc);

    talloc_free(p->original_image);

    vo_x11_uninit(vo);
}

static int preinit(struct vo *vo)
{
    struct priv *p = vo->priv;
    p->vo = vo;
    p->sws = mp_sws_alloc(vo);

    if (!vo_x11_init(vo))
        goto error;
    struct vo_x11_state *x11 = vo->x11;

    XWindowAttributes attribs;
    XGetWindowAttributes(x11->display, x11->rootwin, &attribs);
    p->depth = attribs.depth;

    if (!XMatchVisualInfo(x11->display, x11->screen, p->depth,
                          TrueColor, &p->vinfo))
        goto error;

    MP_VERBOSE(vo, "selected visual: %d\n", (int)p->vinfo.visualid);

    if (!vo_x11_create_vo_window(vo, &p->vinfo, "x11"))
        goto error;

    p->gc = XCreateGC(x11->display, x11->window, 0, NULL);
    MP_WARN(vo, "Warning: this legacy VO has bad performance. Consider fixing "
                "your graphics drivers, or not forcing the x11 VO.\n");
    return 0;

error:
    uninit(vo);
    return -1;
}

static int control(struct vo *vo, uint32_t request, void *data)
{
    struct priv *p = vo->priv;
    switch (request) {
    case VOCTRL_SET_PANSCAN:
        if (vo->config_ok)
            resize(vo);
        return VO_TRUE;
    case VOCTRL_REDRAW_FRAME:
        draw_image(vo, p->original_image);
        return true;
    }

    int events = 0;
    int r = vo_x11_control(vo, &events, request, data);
    if (vo->config_ok && (events & (VO_EVENT_EXPOSE | VO_EVENT_RESIZE)))
        resize(vo);
    vo_event(vo, events);
    return r;
}

const struct vo_driver video_out_x11 = {
    .description = "X11 (slow, old crap)",
    .name = "x11",
    .priv_size = sizeof(struct priv),
    .preinit = preinit,
    .query_format = query_format,
    .reconfig = reconfig,
    .control = control,
    .draw_image = draw_image,
    .flip_page = flip_page,
    .wakeup = vo_x11_wakeup,
    .wait_events = vo_x11_wait_events,
    .uninit = uninit,
};
コード例 #3
0
ファイル: vo_x11.c プロジェクト: kax4/mpv
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
    struct priv *p = vo->priv;

    struct mp_image img = get_x_buffer(p);

    struct mp_osd_res res = {
        .w = img.w,
        .h = img.h,
        .display_par = vo->monitor_par,
        .video_par = vo->aspdat.par,
    };

    osd_draw_on_image_bk(osd, res, osd->vo_pts, 0, p->osd_backup, &img);
}

static mp_image_t *get_screenshot(struct vo *vo)
{
    struct priv *p = vo->priv;

    struct mp_image img = get_x_buffer(p);
    struct mp_image *res = alloc_mpi(img.w, img.h, img.imgfmt);
    copy_mpi(res, &img);
    mp_draw_sub_backup_restore(p->osd_backup, res);

    return res;
}

static int redraw_frame(struct vo *vo)
{
    struct priv *p = vo->priv;

    struct mp_image img = get_x_buffer(p);
    mp_draw_sub_backup_restore(p->osd_backup, &img);

    return true;
}

static void flip_page(struct vo *vo)
{
    struct priv *p = vo->priv;
    Display_Image(p, p->myximage, p->ImageData);
    XSync(vo->x11->display, False);
}

static int draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h,
                      int x, int y)
{
    struct priv *p = vo->priv;
    uint8_t *dst[MP_MAX_PLANES] = {NULL};
    int dstStride[MP_MAX_PLANES] = {0};

    if ((p->old_vo_dwidth != vo->dwidth || p->old_vo_dheight != vo->dheight)
        /*&& y==0 */ && p->zoomFlag)
    {
        int newW = vo->dwidth;
        int newH = vo->dheight;
        struct SwsContext *oldContext = p->swsContext;

        p->old_vo_dwidth = vo->dwidth;
        p->old_vo_dheight = vo->dheight;

        if (vo_fs)
            aspect(vo, &newW, &newH, A_ZOOM);
        if (sws_flags == 0)
            newW &= (~31);      // not needed but, if the user wants the FAST_BILINEAR SCALER, then its needed

        p->swsContext
            = sws_getContextFromCmdLine(p->srcW, p->srcH, p->in_format, newW,
                                        newH, p->out_format);
        if (p->swsContext) {
            p->image_width = (newW + 7) & (~7);
            p->image_height = newH;

            freeMyXImage(p);
            getMyXImage(p);
            sws_freeContext(oldContext);
        } else
            p->swsContext = oldContext;
        p->dst_width = newW;
    }

    dstStride[0] = p->image_width * ((p->bpp + 7) / 8);
    dst[0] = p->ImageData;
    if (p->Flip_Flag) {
        dst[0] += dstStride[0] * (p->image_height - 1);
        dstStride[0] = -dstStride[0];
    }
    sws_scale(p->swsContext, (const uint8_t **)src, stride, y, h, dst,
              dstStride);
    mp_draw_sub_backup_reset(p->osd_backup);
    return 0;
}

static int query_format(struct vo *vo, uint32_t format)
{
    mp_msg(MSGT_VO, MSGL_DBG2,
           "vo_x11: query_format was called: %x (%s)\n", format,
           vo_format_name(format));
    if (IMGFMT_IS_BGR(format)) {
        if (IMGFMT_BGR_DEPTH(format) <= 8)
            return 0;           // TODO 8bpp not yet fully implemented
        if (IMGFMT_BGR_DEPTH(format) == vo->x11->depthonscreen)
            return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW |
                   VFCAP_OSD | VFCAP_FLIP |
                   VFCAP_ACCEPT_STRIDE;
        else
            return VFCAP_CSP_SUPPORTED | VFCAP_OSD |
                   VFCAP_FLIP |
                   VFCAP_ACCEPT_STRIDE;
    }

    switch (format) {
    case IMGFMT_I420:
    case IMGFMT_IYUV:
    case IMGFMT_YV12:
        return VFCAP_CSP_SUPPORTED | VFCAP_OSD |
               VFCAP_ACCEPT_STRIDE;
    }
    return 0;
}
コード例 #4
0
ファイル: SHARPdisplay.c プロジェクト: chen1990/wsnlab
int main(int argc, char **argv)
{
	printf("-------------------------------------------------------\n");
	printf("Welcome to SHARP Memory Display demo using Intel Edison\n");
	printf("-------------------------------------------------------\n");
	sleep(1);
	
	signal(SIGINT, &sig_handler);
	
	GPIO_Init();
	sleep(1);
	SPI_Init();
	sleep(1);
	PWM_Init();
	sleep(1);
	
	PWM_Run(); 
	
	Display_Init();
	printf("SHARP Display initialized\n");
	
	while(isrunning)
	{
		//Loop Forever
                Display_Init();
		printf("UNI FREIBURG\n");
		Display_Image("Uni_Freiburg");
		sleep(5);

                Display_Init();
                printf("INTEL ATOM\n");
		Display_Image("Intel_Atom");
		sleep(5);

                Display_Init();
                printf("NIKOLA TESLA\n");
		Display_Image("Nikola_Tesla");
		sleep(5);

                Display_Init();
                printf("ALBERT EINSTEIN\n");
		Display_Image("Albert_Einstein");
		sleep(5);

                Display_Init();
                printf("WHITE TIGER\n");
		Display_Image("White_Tiger");
		sleep(5);
		
                Display_Init();
                printf("WALL-E\n");
		Display_Image("Wall_E");
		sleep(5);
	}
	
	//reset all GPIOs to '0'
	mraa_gpio_write(SCS, 0);
	
	//close all GPIOs
	mraa_gpio_close(SCS);
	
	//close all Peripherals
	mraa_spi_stop(spi);
	mraa_pwm_close(pwm);
	
	fprintf(stdout, "\nSHARP Display exited\n");
	
	return MRAA_SUCCESS;
}