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mpv/libvo/vo_xv.c

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/*
* X11 Xv interface
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include <errno.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <libavutil/common.h>
#include "config.h"
#ifdef HAVE_SHM
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
#endif
// Note: depends on the inclusion of X11/extensions/XShm.h
#include <X11/extensions/Xv.h>
#include <X11/extensions/Xvlib.h>
#include "options.h"
#include "talloc.h"
#include "mp_msg.h"
#include "video_out.h"
#include "libmpcodecs/vfcap.h"
#include "libmpcodecs/mp_image.h"
#include "x11_common.h"
#include "fastmemcpy.h"
#include "sub/sub.h"
#include "aspect.h"
#include "csputils.h"
#include "subopt-helper.h"
static const vo_info_t info = {
"X11/Xv",
"xv",
"Gerd Knorr <kraxel@goldbach.in-berlin.de> and others",
""
};
struct xvctx {
XvAdaptorInfo *ai;
XvImageFormatValues *fo;
unsigned int formats, adaptors, xv_format;
int current_buf;
int current_ip_buf;
int num_buffers;
int total_buffers;
bool have_image_copy;
bool unchanged_image;
int visible_buf;
XvImage *xvimage[2 + 1];
uint32_t image_width;
uint32_t image_height;
uint32_t image_format;
int is_paused;
struct mp_rect src_rect;
struct mp_rect dst_rect;
uint32_t max_width, max_height; // zero means: not set
int mode_switched;
#ifdef HAVE_SHM
XShmSegmentInfo Shminfo[2 + 1];
int Shmem_Flag;
#endif
};
static void allocate_xvimage(struct vo *, int);
static void deallocate_xvimage(struct vo *vo, int foo);
static void resize(struct vo *vo)
{
struct xvctx *ctx = vo->priv;
// Can't be used, because the function calculates screen-space coordinates,
// while we need video-space.
struct mp_osd_res unused;
vo_get_src_dst_rects(vo, &ctx->src_rect, &ctx->dst_rect, &unused);
struct mp_rect *dst = &ctx->dst_rect;
int dw = dst->x1 - dst->x0, dh = dst->y1 - dst->y0;
vo_x11_clearwindow_part(vo, vo->x11->window, dw, dh);
vo_xv_draw_colorkey(vo, dst->x0, dst->y0, dw, dh);
}
/*
* connect to server, create and map window,
* allocate colors and (shared) memory
*/
static int config(struct vo *vo, uint32_t width, uint32_t height,
uint32_t d_width, uint32_t d_height, uint32_t flags,
uint32_t format)
{
struct vo_x11_state *x11 = vo->x11;
XVisualInfo vinfo;
XSetWindowAttributes xswa;
XWindowAttributes attribs;
unsigned long xswamask;
int depth;
struct xvctx *ctx = vo->priv;
int i;
ctx->image_height = height;
ctx->image_width = width;
ctx->image_format = format;
if ((ctx->max_width != 0 && ctx->max_height != 0)
&& (ctx->image_width > ctx->max_width
|| ctx->image_height > ctx->max_height)) {
mp_tmsg(MSGT_VO, MSGL_ERR, "Source image dimensions are too high: %ux%u (maximum is %ux%u)\n",
ctx->image_width, ctx->image_height, ctx->max_width,
ctx->max_height);
return -1;
}
ctx->visible_buf = -1;
ctx->have_image_copy = false;
/* check image formats */
ctx->xv_format = 0;
for (i = 0; i < ctx->formats; i++) {
mp_msg(MSGT_VO, MSGL_V, "Xvideo image format: 0x%x (%4.4s) %s\n",
ctx->fo[i].id, (char *) &ctx->fo[i].id,
(ctx->fo[i].format == XvPacked) ? "packed" : "planar");
if (ctx->fo[i].id == format)
ctx->xv_format = ctx->fo[i].id;
}
if (!ctx->xv_format)
return -1;
{
#ifdef CONFIG_XF86VM
int vm = flags & VOFLAG_MODESWITCHING;
if (vm) {
vo_vm_switch(vo);
ctx->mode_switched = 1;
}
#endif
XGetWindowAttributes(x11->display, DefaultRootWindow(x11->display),
&attribs);
depth = attribs.depth;
if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
depth = 24;
XMatchVisualInfo(x11->display, x11->screen, depth, TrueColor, &vinfo);
xswa.border_pixel = 0;
xswamask = CWBorderPixel;
if (x11->xv_ck_info.method == CK_METHOD_BACKGROUND) {
xswa.background_pixel = x11->xv_colorkey;
xswamask |= CWBackPixel;
}
vo_x11_create_vo_window(vo, &vinfo, vo->dx, vo->dy, vo->dwidth,
vo->dheight, flags, CopyFromParent, "xv");
XChangeWindowAttributes(x11->display, x11->window, xswamask, &xswa);
#ifdef CONFIG_XF86VM
if (vm) {
/* Grab the mouse pointer in our window */
if (vo_grabpointer)
XGrabPointer(x11->display, x11->window, True, 0, GrabModeAsync,
GrabModeAsync, x11->window, None, CurrentTime);
XSetInputFocus(x11->display, x11->window, RevertToNone,
CurrentTime);
}
#endif
}
mp_msg(MSGT_VO, MSGL_V, "using Xvideo port %d for hw scaling\n",
x11->xv_port);
// In case config has been called before
for (i = 0; i < ctx->total_buffers; i++)
deallocate_xvimage(vo, i);
ctx->num_buffers = 2;
ctx->total_buffers = ctx->num_buffers + 1;
for (i = 0; i < ctx->total_buffers; i++)
allocate_xvimage(vo, i);
ctx->current_buf = 0;
ctx->current_ip_buf = 0;
resize(vo);
return 0;
}
static void allocate_xvimage(struct vo *vo, int foo)
{
struct xvctx *ctx = vo->priv;
struct vo_x11_state *x11 = vo->x11;
/*
* allocate XvImages. FIXME: no error checking, without
* mit-shm this will bomb... trzing to fix ::atmos
*/
#ifdef HAVE_SHM
if (x11->display_is_local && XShmQueryExtension(x11->display))
ctx->Shmem_Flag = 1;
else {
ctx->Shmem_Flag = 0;
mp_tmsg(MSGT_VO, MSGL_INFO, "[VO_XV] Shared memory not supported\nReverting to normal Xv.\n");
}
if (ctx->Shmem_Flag) {
ctx->xvimage[foo] =
(XvImage *) XvShmCreateImage(x11->display, x11->xv_port,
ctx->xv_format, NULL,
ctx->image_width, ctx->image_height,
&ctx->Shminfo[foo]);
ctx->Shminfo[foo].shmid = shmget(IPC_PRIVATE,
ctx->xvimage[foo]->data_size,
IPC_CREAT | 0777);
ctx->Shminfo[foo].shmaddr = (char *) shmat(ctx->Shminfo[foo].shmid, 0,
0);
ctx->Shminfo[foo].readOnly = False;
ctx->xvimage[foo]->data = ctx->Shminfo[foo].shmaddr;
XShmAttach(x11->display, &ctx->Shminfo[foo]);
XSync(x11->display, False);
shmctl(ctx->Shminfo[foo].shmid, IPC_RMID, 0);
} else
#endif
{
ctx->xvimage[foo] =
(XvImage *) XvCreateImage(x11->display, x11->xv_port,
ctx->xv_format, NULL, ctx->image_width,
ctx->image_height);
ctx->xvimage[foo]->data = malloc(ctx->xvimage[foo]->data_size);
XSync(x11->display, False);
}
memset(ctx->xvimage[foo]->data, 128, ctx->xvimage[foo]->data_size);
return;
}
static void deallocate_xvimage(struct vo *vo, int foo)
{
struct xvctx *ctx = vo->priv;
#ifdef HAVE_SHM
if (ctx->Shmem_Flag) {
XShmDetach(vo->x11->display, &ctx->Shminfo[foo]);
shmdt(ctx->Shminfo[foo].shmaddr);
} else
#endif
{
free(ctx->xvimage[foo]->data);
}
XFree(ctx->xvimage[foo]);
XSync(vo->x11->display, False);
return;
}
static inline void put_xvimage(struct vo *vo, XvImage *xvi)
{
struct xvctx *ctx = vo->priv;
struct vo_x11_state *x11 = vo->x11;
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;
#ifdef HAVE_SHM
if (ctx->Shmem_Flag) {
XvShmPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
src->x0, src->y0, sw, sh,
dst->x0, dst->y0, dw, dh,
False);
} else
#endif
{
XvPutImage(x11->display, x11->xv_port, x11->window, x11->vo_gc, xvi,
src->x0, src->y0, sw, sh,
dst->x0, dst->y0, dw, dh);
}
}
static struct mp_image get_xv_buffer(struct vo *vo, int buf_index)
{
struct xvctx *ctx = vo->priv;
XvImage *xv_image = ctx->xvimage[buf_index];
struct mp_image img = {0};
img.w = img.width = xv_image->width;
img.h = img.height = xv_image->height;
mp_image_setfmt(&img, ctx->image_format);
bool swapuv = ctx->image_format == IMGFMT_YV12;
for (int n = 0; n < img.num_planes; n++) {
int sn = n > 0 && swapuv ? (n == 1 ? 2 : 1) : n;
img.planes[n] = xv_image->data + xv_image->offsets[sn];
img.stride[n] = xv_image->pitches[sn];
}
struct mp_csp_details csp = {0};
vo_control(vo, VOCTRL_GET_YUV_COLORSPACE, &csp);
mp_image_set_colorspace_details(&img, &csp);
return img;
}
static void copy_backup_image(struct vo *vo, int dest, int src)
{
struct mp_image img_dest = get_xv_buffer(vo, dest);
struct mp_image img_src = get_xv_buffer(vo, src);
copy_mpi(&img_dest, &img_src);
}
static void check_events(struct vo *vo)
{
int e = vo_x11_check_events(vo);
if (e & VO_EVENT_EXPOSE || e & VO_EVENT_RESIZE) {
resize(vo);
vo->want_redraw = true;
}
}
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,
};
if (osd_draw_on_image(osd, res, osd->vo_pts, 0, &img))
ctx->unchanged_image = false;
}
static int redraw_frame(struct vo *vo)
{
struct xvctx *ctx = vo->priv;
if (ctx->have_image_copy)
copy_backup_image(vo, ctx->visible_buf, ctx->num_buffers);
else if (ctx->unchanged_image) {
copy_backup_image(vo, ctx->num_buffers, ctx->visible_buf);
ctx->have_image_copy = true;
} else
return false;
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]);
return 0;
}
static mp_image_t *get_screenshot(struct vo *vo)
{
struct xvctx *ctx = vo->priv;
// try to get an image without OSD
int id = ctx->have_image_copy ? ctx->num_buffers : ctx->visible_buf;
struct mp_image img = get_xv_buffer(vo, id);
img.display_w = vo->aspdat.prew;
img.display_h = vo->aspdat.preh;
return talloc_memdup(NULL, &img, sizeof(img));
}
static uint32_t draw_image(struct vo *vo, mp_image_t *mpi)
{
struct xvctx *ctx = vo->priv;
ctx->have_image_copy = false;
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;
if (ctx->is_paused) {
copy_backup_image(vo, ctx->num_buffers, ctx->current_buf);
ctx->have_image_copy = true;
}
ctx->unchanged_image = true;
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_HWSCALE_UP | VFCAP_HWSCALE_DOWN | 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;
}
static void uninit(struct vo *vo)
{
struct xvctx *ctx = vo->priv;
int i;
ctx->visible_buf = -1;
if (ctx->ai)
XvFreeAdaptorInfo(ctx->ai);
ctx->ai = NULL;
if (ctx->fo) {
XFree(ctx->fo);
ctx->fo = NULL;
}
for (i = 0; i < ctx->total_buffers; i++)
deallocate_xvimage(vo, i);
#ifdef CONFIG_XF86VM
if (ctx->mode_switched)
vo_vm_close(vo);
#endif
// uninit() shouldn't get called unless initialization went past vo_init()
vo_x11_uninit(vo);
}
static int preinit(struct vo *vo, const char *arg)
{
XvPortID xv_p;
int busy_ports = 0;
unsigned int i;
strarg_t ck_src_arg = { 0, NULL };
strarg_t ck_method_arg = { 0, NULL };
struct xvctx *ctx = talloc_zero(vo, struct xvctx);
vo->priv = ctx;
int xv_adaptor = -1;
if (!vo_init(vo))
return -1;
struct vo_x11_state *x11 = vo->x11;
const opt_t subopts[] =
{
/* name arg type arg var test */
{ "port", OPT_ARG_INT, &x11->xv_port, int_pos },
{ "adaptor", OPT_ARG_INT, &xv_adaptor, int_non_neg },
{ "ck", OPT_ARG_STR, &ck_src_arg, xv_test_ck },
{ "ck-method", OPT_ARG_STR, &ck_method_arg, xv_test_ckm },
{ NULL }
};
x11->xv_port = 0;
/* parse suboptions */
if (subopt_parse(arg, subopts) != 0) {
return -1;
}
/* modify colorkey settings according to the given options */
xv_setup_colorkeyhandling(vo, ck_method_arg.str, ck_src_arg.str);
/* check for Xvideo extension */
unsigned int ver, rel, req, ev, err;
if (Success != XvQueryExtension(x11->display, &ver, &rel, &req, &ev, &err)) {
mp_tmsg(MSGT_VO, MSGL_ERR, "[VO_XV] Sorry, Xv not supported by this X11 version/driver\n[VO_XV] ******** Try with -vo x11 *********\n");
goto error;
}
/* check for Xvideo support */
if (Success !=
XvQueryAdaptors(x11->display, DefaultRootWindow(x11->display),
&ctx->adaptors, &ctx->ai)) {
mp_tmsg(MSGT_VO, MSGL_ERR, "[VO_XV] XvQueryAdaptors failed.\n");
goto error;
}
/* check adaptors */
if (x11->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 == x11->xv_port) {
port_found = 1;
break;
}
}
}
}
if (port_found) {
if (XvGrabPort(x11->display, x11->xv_port, CurrentTime))
x11->xv_port = 0;
} else {
mp_tmsg(MSGT_VO, MSGL_WARN, "[VO_XV] Invalid port parameter, overriding with port 0.\n");
x11->xv_port = 0;
}
}
for (i = 0; i < ctx->adaptors && x11->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)) {
x11->xv_port = xv_p;
mp_msg(MSGT_VO, MSGL_V,
"[VO_XV] Using Xv Adapter #%d (%s)\n",
i, ctx->ai[i].name);
break;
} else {
mp_tmsg(MSGT_VO, MSGL_WARN, "[VO_XV] Could not grab port %i.\n",
(int) xv_p);
++busy_ports;
}
}
}
if (!x11->xv_port) {
if (busy_ports)
mp_tmsg(MSGT_VO, MSGL_ERR,
"[VO_XV] Could not find free Xvideo port - maybe another process is already\n"\
"[VO_XV] using it. Close all video applications, and try again. If that does\n"\
"[VO_XV] not help, see 'mpv -vo help' for other (non-xv) video out drivers.\n");
else
mp_tmsg(MSGT_VO, MSGL_ERR,
"[VO_XV] It seems there is no Xvideo support for your video card available.\n"\
"[VO_XV] Run 'xvinfo' to verify its Xv support and read\n"\
"[VO_XV] DOCS/HTML/en/video.html#xv!\n"\
"[VO_XV] See 'mpv -vo help' for other (non-xv) video out drivers.\n"\
"[VO_XV] Try -vo x11.\n");
goto error;
}
if (!vo_xv_init_colorkey(vo)) {
goto error; // bail out, colorkey setup failed
}
vo_xv_enable_vsync(vo);
vo_xv_get_max_img_dim(vo, &ctx->max_width, &ctx->max_height);
ctx->fo = XvListImageFormats(x11->display, x11->xv_port,
(int *) &ctx->formats);
return 0;
error:
uninit(vo); // free resources
return -1;
}
static int control(struct vo *vo, uint32_t request, void *data)
{
struct xvctx *ctx = vo->priv;
struct vo_x11_state *x11 = vo->x11;
switch (request) {
case VOCTRL_PAUSE:
return (ctx->is_paused = 1);
case VOCTRL_RESUME:
return (ctx->is_paused = 0);
case VOCTRL_QUERY_FORMAT:
return query_format(ctx, *((uint32_t *) data));
case VOCTRL_DRAW_IMAGE:
return draw_image(vo, data);
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_FULLSCREEN:
vo_x11_fullscreen(vo);
/* indended, fallthrough to update panscan on fullscreen/windowed switch */
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 vo_xv_set_eq(vo, x11->xv_port, args->name, args->value);
}
case VOCTRL_GET_EQUALIZER: {
struct voctrl_get_equalizer_args *args = data;
return vo_xv_get_eq(vo, x11->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;
vo_xv_set_eq(vo, x11->xv_port, "bt_709", is_709 * 200 - 100);
vo->want_redraw = true;
return true;
case VOCTRL_GET_YUV_COLORSPACE:;
struct mp_csp_details* cspc = data;
*cspc = (struct mp_csp_details) MP_CSP_DETAILS_DEFAULTS;
int bt709_enabled;
if (vo_xv_get_eq(vo, x11->xv_port, "bt_709", &bt709_enabled))
cspc->format = bt709_enabled == 100 ? MP_CSP_BT_709 : MP_CSP_BT_601;
return true;
case VOCTRL_ONTOP:
vo_x11_ontop(vo);
return VO_TRUE;
case VOCTRL_UPDATE_SCREENINFO:
update_xinerama_info(vo);
return VO_TRUE;
case VOCTRL_REDRAW_FRAME:
return redraw_frame(vo);
case VOCTRL_SCREENSHOT: {
struct voctrl_screenshot_args *args = data;
args->out_image = get_screenshot(vo);
args->has_osd = !ctx->have_image_copy;
return true;
}
}
return VO_NOTIMPL;
}
const struct vo_driver video_out_xv = {
.is_new = 1,
.info = &info,
.preinit = preinit,
.config = config,
.control = control,
.draw_slice = draw_slice,
.draw_osd = draw_osd,
.flip_page = flip_page,
.check_events = check_events,
.uninit = uninit
};
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