static int control(struct vo *vo, uint32_t request, void *data)
{
struct xvctx *ctx = vo->priv;
switch (request) {
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
resize(vo);
return VO_TRUE;
case VOCTRL_SET_EQUALIZER: {
vo->want_redraw = true;
struct voctrl_set_equalizer_args *args = data;
return xv_set_eq(vo, ctx->xv_port, args->name, args->value);
}
case VOCTRL_GET_EQUALIZER: {
struct voctrl_get_equalizer_args *args = data;
return xv_get_eq(vo, ctx->xv_port, args->name, args->valueptr);
}
case VOCTRL_REDRAW_FRAME:
draw_image(vo, ctx->original_image);
return true;
}
int events = 0;
int r = vo_x11_control(vo, &events, request, data);
if (events & (VO_EVENT_EXPOSE | VO_EVENT_RESIZE))
resize(vo);
vo_event(vo, events);
return r;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct xvctx *ctx = vo->priv;
switch (request) {
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
resize(vo);
return VO_TRUE;
case VOCTRL_SET_EQUALIZER: {
vo->want_redraw = true;
struct voctrl_set_equalizer_args *args = data;
return xv_set_eq(vo, ctx->xv_port, args->name, args->value);
}
case VOCTRL_GET_EQUALIZER: {
struct voctrl_get_equalizer_args *args = data;
return xv_get_eq(vo, ctx->xv_port, args->name, args->valueptr);
}
case VOCTRL_SET_YUV_COLORSPACE:;
struct mp_csp_details* given_cspc = data;
int is_709 = given_cspc->format == MP_CSP_BT_709;
xv_set_eq(vo, ctx->xv_port, "bt_709", is_709 * 200 - 100);
read_xv_csp(vo);
vo->want_redraw = true;
return true;
case VOCTRL_GET_YUV_COLORSPACE:;
struct mp_csp_details* cspc = data;
read_xv_csp(vo);
*cspc = ctx->cached_csp;
return true;
case VOCTRL_REDRAW_FRAME:
redraw_frame(vo);
return true;
case VOCTRL_SCREENSHOT: {
struct voctrl_screenshot_args *args = data;
args->out_image = get_screenshot(vo);
return true;
}
case VOCTRL_WINDOW_TO_OSD_COORDS: {
float *c = data;
struct mp_rect *src = &ctx->src_rect;
struct mp_rect *dst = &ctx->dst_rect;
c[0] = av_clipf(c[0], dst->x0, dst->x1) - dst->x0;
c[1] = av_clipf(c[1], dst->y0, dst->y1) - dst->y0;
c[0] = c[0] / (dst->x1 - dst->x0) * (src->x1 - src->x0) + src->x0;
c[1] = c[1] / (dst->y1 - dst->y0) * (src->y1 - src->y0) + src->y0;
return VO_TRUE;
}
}
int events = 0;
int r = vo_x11_control(vo, &events, request, data);
if (events & (VO_EVENT_EXPOSE | VO_EVENT_RESIZE))
resize(vo);
return r;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct xvctx *ctx = vo->priv;
switch (request) {
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
resize(vo);
return VO_TRUE;
case VOCTRL_SET_EQUALIZER: {
vo->want_redraw = true;
struct voctrl_set_equalizer_args *args = data;
return xv_set_eq(vo, ctx->xv_port, args->name, args->value);
}
case VOCTRL_GET_EQUALIZER: {
struct voctrl_get_equalizer_args *args = data;
return xv_get_eq(vo, ctx->xv_port, args->name, args->valueptr);
}
case VOCTRL_GET_COLORSPACE: {
struct mp_image_params *params = data;
read_xv_csp(vo);
params->colorspace = ctx->cached_csp;
return true;
}
case VOCTRL_REDRAW_FRAME:
draw_image(vo, ctx->original_image);
return true;
case VOCTRL_SCREENSHOT: {
struct voctrl_screenshot_args *args = data;
args->out_image = get_screenshot(vo);
return true;
}
}
int events = 0;
int r = vo_x11_control(vo, &events, request, data);
if (events & (VO_EVENT_EXPOSE | VO_EVENT_RESIZE))
resize(vo);
return r;
}
static int glx_control(struct MPGLContext *ctx, int *events, int request,
void *arg)
{
return vo_x11_control(ctx->vo, events, request, arg);
}
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,
};