Exemplo n.º 1
0
Arquivo: vo_xv.c Projeto: DZW314/mpv
static void flip_page(struct vo *vo)
{
    struct xvctx *ctx = vo->priv;
    put_xvimage(vo, ctx->xvimage[ctx->current_buf]);

    /* remember the currently visible buffer */
    ctx->current_buf = (ctx->current_buf + 1) % ctx->num_buffers;

    if (!ctx->Shmem_Flag)
        XSync(vo->x11->display, False);
}
Exemplo n.º 2
0
Arquivo: vo_xv.c Projeto: hroncok/mpv
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
    struct xvctx *ctx = vo->priv;

    struct mp_image img = get_xv_buffer(vo, ctx->current_buf);

    struct mp_osd_res res = {
        .w = ctx->image_width,
        .h = ctx->image_height,
        .display_par = 1.0 / vo->aspdat.par,
    };

    osd_draw_on_image(osd, res, osd->vo_pts, 0, &img);
}

static void wait_for_completion(struct vo *vo, int max_outstanding)
{
#if HAVE_SHM
    struct xvctx *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, "X11 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 xvctx *ctx = vo->priv;
    put_xvimage(vo, ctx->xvimage[ctx->current_buf]);

    /* remember the currently visible buffer */
    ctx->current_buf = (ctx->current_buf + 1) % ctx->num_buffers;

    if (!ctx->Shmem_Flag)
        XSync(vo->x11->display, False);
}

static mp_image_t *get_screenshot(struct vo *vo)
{
    struct xvctx *ctx = vo->priv;
    if (!ctx->original_image)
        return NULL;

    return mp_image_new_ref(ctx->original_image);
}

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

    wait_for_completion(vo, ctx->num_buffers - 1);

    struct mp_image xv_buffer = get_xv_buffer(vo, ctx->current_buf);
    if (mpi) {
        mp_image_copy(&xv_buffer, mpi);
    } else {
        mp_image_clear(&xv_buffer, 0, 0, xv_buffer.w, xv_buffer.h);
    }

    mp_image_setrefp(&ctx->original_image, mpi);
}

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

    draw_image(vo, ctx->original_image);
    return true;
}

static int query_format(struct vo *vo, uint32_t format)
{
    struct xvctx *ctx = vo->priv;
    uint32_t i;
    int flag = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW;

    int fourcc = find_xv_format(format);
    if (fourcc) {
        for (i = 0; i < ctx->formats; i++) {
            if (ctx->fo[i].id == fourcc)
                return flag;
        }
    }
    return 0;
}

static void uninit(struct vo *vo)
{
    struct xvctx *ctx = vo->priv;
    int i;

    talloc_free(ctx->original_image);

    if (ctx->ai)
        XvFreeAdaptorInfo(ctx->ai);
    ctx->ai = NULL;
    if (ctx->fo) {
        XFree(ctx->fo);
        ctx->fo = NULL;
    }
    for (i = 0; i < ctx->num_buffers; i++)
        deallocate_xvimage(vo, i);
    // uninit() shouldn't get called unless initialization went past vo_init()
    vo_x11_uninit(vo);
}

static int preinit(struct vo *vo)
{
    XvPortID xv_p;
    int busy_ports = 0;
    unsigned int i;
    struct xvctx *ctx = vo->priv;
    int xv_adaptor = ctx->cfg_xv_adaptor;

    if (!vo_x11_init(vo))
        return -1;

    struct vo_x11_state *x11 = vo->x11;

    /* check for Xvideo extension */
    unsigned int ver, rel, req, ev, err;
    if (Success != XvQueryExtension(x11->display, &ver, &rel, &req, &ev, &err)) {
        MP_ERR(vo, "Xv not supported by this X11 version/driver\n");
        goto error;
    }

    /* check for Xvideo support */
    if (Success !=
        XvQueryAdaptors(x11->display, DefaultRootWindow(x11->display),
                        &ctx->adaptors, &ctx->ai)) {
        MP_ERR(vo, "XvQueryAdaptors failed.\n");
        goto error;
    }

    /* check adaptors */
    if (ctx->xv_port) {
        int port_found;

        for (port_found = 0, i = 0; !port_found && i < ctx->adaptors; i++) {
            if ((ctx->ai[i].type & XvInputMask)
                && (ctx->ai[i].type & XvImageMask)) {
                for (xv_p = ctx->ai[i].base_id;
                     xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports;
                     ++xv_p) {
                    if (xv_p == ctx->xv_port) {
                        port_found = 1;
                        break;
                    }
                }
            }
        }
        if (port_found) {
            if (XvGrabPort(x11->display, ctx->xv_port, CurrentTime))
                ctx->xv_port = 0;
        } else {
            MP_WARN(vo, "Invalid port parameter, overriding with port 0.\n");
            ctx->xv_port = 0;
        }
    }

    for (i = 0; i < ctx->adaptors && ctx->xv_port == 0; i++) {
        /* check if adaptor number has been specified */
        if (xv_adaptor != -1 && xv_adaptor != i)
            continue;

        if ((ctx->ai[i].type & XvInputMask) && (ctx->ai[i].type & XvImageMask)) {
            for (xv_p = ctx->ai[i].base_id;
                 xv_p < ctx->ai[i].base_id + ctx->ai[i].num_ports; ++xv_p)
                if (!XvGrabPort(x11->display, xv_p, CurrentTime)) {
                    ctx->xv_port = xv_p;
                    MP_VERBOSE(vo, "Using Xv Adapter #%d (%s)\n",
                               i, ctx->ai[i].name);
                    break;
                } else {
                    MP_WARN(vo, "Could not grab port %i.\n", (int) xv_p);
                    ++busy_ports;
                }
        }
    }
    if (!ctx->xv_port) {
        if (busy_ports)
            MP_ERR(vo,
                   "Could not find free Xvideo port - maybe another process is already\n"\
                   "using it. Close all video applications, and try again. If that does\n"\
                   "not help, see 'mpv -vo help' for other (non-xv) video out drivers.\n");
        else
            MP_ERR(vo,
                   "It seems there is no Xvideo support for your video card available.\n"\
                   "Run 'xvinfo' to verify its Xv support and read\n"\
                   "DOCS/HTML/en/video.html#xv!\n"\
                   "See 'mpv -vo help' for other (non-xv) video out drivers.\n"\
                   "Try -vo x11.\n");
        goto error;
    }

    if (!xv_init_colorkey(vo)) {
        goto error;             // bail out, colorkey setup failed
    }
    xv_enable_vsync(vo);
    xv_get_max_img_dim(vo, &ctx->max_width, &ctx->max_height);

    ctx->fo = XvListImageFormats(x11->display, ctx->xv_port,
                                 (int *) &ctx->formats);

    return 0;

  error:
    uninit(vo);                 // free resources
    return -1;
}
Exemplo n.º 3
0
Arquivo: vo_xv.c Projeto: kax4/mpv
static void draw_osd(struct vo *vo, struct osd_state *osd)
{
    struct xvctx *ctx = vo->priv;

    struct mp_image img = get_xv_buffer(vo, ctx->current_buf);

    struct mp_rect *src = &ctx->src_rect;
    struct mp_rect *dst = &ctx->dst_rect;
    int dw = dst->x1 - dst->x0, dh = dst->y1 - dst->y0;
    int sw = src->x1 - src->x0, sh = src->y1 - src->y0;
    double xvpar = (double)dw / dh * sh / sw;

    struct mp_osd_res res = {
        .w = ctx->image_width,
        .h = ctx->image_height,
        .display_par = vo->monitor_par / xvpar,
        .video_par = vo->aspdat.par,
    };

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

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

    struct mp_image img = get_xv_buffer(vo, ctx->visible_buf);
    mp_draw_sub_backup_restore(ctx->osd_backup, &img);
    ctx->current_buf = ctx->visible_buf;

    return true;
}

static void flip_page(struct vo *vo)
{
    struct xvctx *ctx = vo->priv;
    put_xvimage(vo, ctx->xvimage[ctx->current_buf]);

    /* remember the currently visible buffer */
    ctx->visible_buf = ctx->current_buf;

    ctx->current_buf = (ctx->current_buf + 1) % ctx->num_buffers;
    XFlush(vo->x11->display);
    return;
}

static int draw_slice(struct vo *vo, uint8_t *image[], int stride[], int w,
                      int h, int x, int y)
{
    struct xvctx *ctx = vo->priv;
    uint8_t *dst;
    XvImage *current_image = ctx->xvimage[ctx->current_buf];

    dst = current_image->data + current_image->offsets[0]
        + current_image->pitches[0] * y + x;
    memcpy_pic(dst, image[0], w, h, current_image->pitches[0], stride[0]);

    x /= 2;
    y /= 2;
    w /= 2;
    h /= 2;

    dst = current_image->data + current_image->offsets[1]
        + current_image->pitches[1] * y + x;
    if (ctx->image_format != IMGFMT_YV12)
        memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
    else
        memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);

    dst = current_image->data + current_image->offsets[2]
        + current_image->pitches[2] * y + x;
    if (ctx->image_format == IMGFMT_YV12)
        memcpy_pic(dst, image[1], w, h, current_image->pitches[1], stride[1]);
    else
        memcpy_pic(dst, image[2], w, h, current_image->pitches[1], stride[2]);

    mp_draw_sub_backup_reset(ctx->osd_backup);

    return 0;
}

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

    struct mp_image img = get_xv_buffer(vo, ctx->visible_buf);
    struct mp_image *res = alloc_mpi(img.w, img.h, img.imgfmt);
    copy_mpi(res, &img);
    vf_clone_mpi_attributes(res, &img);
    // try to get an image without OSD
    mp_draw_sub_backup_restore(ctx->osd_backup, res);
    res->display_w = vo->aspdat.prew;
    res->display_h = vo->aspdat.preh;

    return res;
}

static uint32_t draw_image(struct vo *vo, mp_image_t *mpi)
{
    struct xvctx *ctx = vo->priv;

    if (mpi->flags & MP_IMGFLAG_DRAW_CALLBACK)
        ; // done
    else if (mpi->flags & MP_IMGFLAG_PLANAR)
        draw_slice(vo, mpi->planes, mpi->stride, mpi->w, mpi->h, 0, 0);
    else if (mpi->flags & MP_IMGFLAG_YUV)
        // packed YUV:
        memcpy_pic(ctx->xvimage[ctx->current_buf]->data +
                   ctx->xvimage[ctx->current_buf]->offsets[0], mpi->planes[0],
                   mpi->w * (mpi->bpp / 8), mpi->h,
                   ctx->xvimage[ctx->current_buf]->pitches[0], mpi->stride[0]);
    else
          return false;

    mp_draw_sub_backup_reset(ctx->osd_backup);

    return true;
}

static int query_format(struct xvctx *ctx, uint32_t format)
{
    uint32_t i;
    int flag = VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD | VFCAP_ACCEPT_STRIDE;       // FIXME! check for DOWN

    /* check image formats */
    for (i = 0; i < ctx->formats; i++) {
        if (ctx->fo[i].id == format)
            return flag;        //xv_format = fo[i].id;
    }
    return 0;
}