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;
if (!vo_x11_create_vo_window(vo, NULL, "xv"))
goto error;
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, "Xvideo ports busy.\n");
else
MP_ERR(vo, "No Xvideo support found.\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);
MP_WARN(vo, "Warning: this legacy VO has bad quality and performance, "
"and will in particular result in blurry OSD and subtitles. "
"You should fix your graphic drivers, or not force the xv VO.\n");
return 0;
error:
uninit(vo); // free resources
return -1;
}
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;
}
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;
}
