mirror of
https://github.com/mpv-player/mpv
synced 2024-12-29 18:42:09 +00:00
634 lines
19 KiB
C
634 lines
19 KiB
C
/*
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* Original author: Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
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*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <libswscale/swscale.h>
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#include "config.h"
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#include "vo.h"
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#include "video/csputils.h"
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#include "video/mp_image.h"
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#include "video/filter/vf.h"
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <errno.h>
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#include "x11_common.h"
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#if HAVE_SHM
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/extensions/XShm.h>
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#endif
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#include "sub/osd.h"
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#include "sub/draw_bmp.h"
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#include "video/sws_utils.h"
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#include "video/fmt-conversion.h"
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#include "common/msg.h"
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#include "input/input.h"
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#include "options/options.h"
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#include "osdep/timer.h"
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struct priv {
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struct vo *vo;
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struct mp_image *original_image;
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/* local data */
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unsigned char *ImageData[2];
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//! original unaligned pointer for free
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unsigned char *ImageDataOrig[2];
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/* X11 related variables */
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XImage *myximage[2];
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int depth, bpp;
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XWindowAttributes attribs;
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uint32_t image_width;
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uint32_t image_height;
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struct mp_image_params in_format;
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struct mp_rect src;
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struct mp_rect dst;
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int src_w, src_h;
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int dst_w, dst_h;
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struct mp_osd_res osd;
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struct mp_sws_context *sws;
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XVisualInfo vinfo;
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int ximage_depth;
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int firstTime;
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int current_buf;
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int num_buffers;
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int Shmem_Flag;
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#if HAVE_SHM
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int Shm_Warned_Slow;
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XShmSegmentInfo Shminfo[2];
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#endif
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};
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static bool resize(struct vo *vo);
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/* Scan the available visuals on this Display/Screen. Try to find
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* the 'best' available TrueColor visual that has a decent color
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* depth (at least 15bit). If there are multiple visuals with depth
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* >= 15bit, we prefer visuals with a smaller color depth. */
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static int find_depth_from_visuals(struct vo *vo, Visual ** visual_return)
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{
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Display *dpy = vo->x11->display;
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int screen = vo->x11->screen;
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XVisualInfo visual_tmpl;
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XVisualInfo *visuals;
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int nvisuals, i;
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int bestvisual = -1;
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int bestvisual_depth = -1;
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visual_tmpl.screen = screen;
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visual_tmpl.class = TrueColor;
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visuals = XGetVisualInfo(dpy,
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VisualScreenMask | VisualClassMask,
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&visual_tmpl, &nvisuals);
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if (visuals != NULL)
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{
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for (i = 0; i < nvisuals; i++)
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{
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MP_VERBOSE(vo,
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"truecolor visual %#lx, depth %d, R:%lX G:%lX B:%lX\n",
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visuals[i].visualid, visuals[i].depth,
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visuals[i].red_mask, visuals[i].green_mask,
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visuals[i].blue_mask);
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/*
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* Save the visual index and its depth, if this is the first
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* truecolor visul, or a visual that is 'preferred' over the
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* previous 'best' visual.
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*/
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if (bestvisual_depth == -1
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|| (visuals[i].depth >= 15
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&& (visuals[i].depth < bestvisual_depth
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|| bestvisual_depth < 15)))
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{
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bestvisual = i;
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bestvisual_depth = visuals[i].depth;
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}
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}
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if (bestvisual != -1 && visual_return != NULL)
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*visual_return = visuals[bestvisual].visual;
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XFree(visuals);
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}
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return bestvisual_depth;
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}
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static bool getMyXImage(struct priv *p, int foo)
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{
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struct vo *vo = p->vo;
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#if HAVE_SHM && HAVE_XEXT
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if (vo->x11->display_is_local && XShmQueryExtension(vo->x11->display)) {
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p->Shmem_Flag = 1;
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vo->x11->ShmCompletionEvent = XShmGetEventBase(vo->x11->display)
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+ ShmCompletion;
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} else {
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p->Shmem_Flag = 0;
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MP_WARN(vo, "Shared memory not supported\nReverting to normal Xlib\n");
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}
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if (p->Shmem_Flag) {
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p->myximage[foo] =
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XShmCreateImage(vo->x11->display, p->vinfo.visual, p->depth,
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ZPixmap, NULL, &p->Shminfo[foo], p->image_width,
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p->image_height);
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if (p->myximage[foo] == NULL) {
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MP_WARN(vo, "Shared memory error,disabling ( Ximage error )\n");
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goto shmemerror;
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}
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p->Shminfo[foo].shmid = shmget(IPC_PRIVATE,
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p->myximage[foo]->bytes_per_line *
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p->myximage[foo]->height,
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IPC_CREAT | 0777);
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if (p->Shminfo[foo].shmid < 0) {
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XDestroyImage(p->myximage[foo]);
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MP_WARN(vo, "Shared memory error,disabling ( seg id error )\n");
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goto shmemerror;
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}
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p->Shminfo[foo].shmaddr = (char *) shmat(p->Shminfo[foo].shmid, 0, 0);
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if (p->Shminfo[foo].shmaddr == ((char *) -1)) {
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XDestroyImage(p->myximage[foo]);
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MP_WARN(vo, "Shared memory error,disabling ( address error )\n");
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goto shmemerror;
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}
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p->myximage[foo]->data = p->Shminfo[foo].shmaddr;
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p->ImageData[foo] = (unsigned char *) p->myximage[foo]->data;
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p->Shminfo[foo].readOnly = False;
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XShmAttach(vo->x11->display, &p->Shminfo[foo]);
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XSync(vo->x11->display, False);
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shmctl(p->Shminfo[foo].shmid, IPC_RMID, 0);
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if (!p->firstTime) {
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MP_VERBOSE(vo, "Sharing memory.\n");
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p->firstTime = 1;
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}
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} else {
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shmemerror:
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p->Shmem_Flag = 0;
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#endif
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p->myximage[foo] =
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XCreateImage(vo->x11->display, p->vinfo.visual, p->depth, ZPixmap,
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0, NULL, p->image_width, p->image_height, 8, 0);
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if (!p->myximage[foo]) {
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MP_WARN(vo, "could not allocate image");
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return false;
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}
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size_t sz = p->myximage[foo]->bytes_per_line * p->image_height + 32;
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p->ImageDataOrig[foo] = calloc(1, sz);
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p->myximage[foo]->data = p->ImageDataOrig[foo] + 16
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- ((long)p->ImageDataOrig & 15);
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p->ImageData[foo] = p->myximage[foo]->data;
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#if HAVE_SHM && HAVE_XEXT
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}
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#endif
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return true;
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}
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static void freeMyXImage(struct priv *p, int foo)
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{
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#if HAVE_SHM && HAVE_XEXT
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struct vo *vo = p->vo;
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if (p->Shmem_Flag) {
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XShmDetach(vo->x11->display, &p->Shminfo[foo]);
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XDestroyImage(p->myximage[foo]);
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shmdt(p->Shminfo[foo].shmaddr);
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} else
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#endif
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{
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if (p->myximage[foo]) {
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p->myximage[foo]->data = p->ImageDataOrig[foo];
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XDestroyImage(p->myximage[foo]);
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p->ImageDataOrig[foo] = NULL;
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}
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}
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p->myximage[foo] = NULL;
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p->ImageData[foo] = NULL;
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}
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#if BYTE_ORDER == BIG_ENDIAN
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#define BO_NATIVE MSBFirst
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#define BO_NONNATIVE LSBFirst
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#else
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#define BO_NATIVE LSBFirst
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#define BO_NONNATIVE MSBFirst
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#endif
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const struct fmt2Xfmtentry_s {
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uint32_t mpfmt;
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int byte_order;
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unsigned red_mask;
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unsigned green_mask;
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unsigned blue_mask;
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} fmt2Xfmt[] = {
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{IMGFMT_BGR8, BO_NATIVE, 0x00000007, 0x00000038, 0x000000C0},
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{IMGFMT_BGR8, BO_NONNATIVE, 0x00000007, 0x00000038, 0x000000C0},
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{IMGFMT_RGB8, BO_NATIVE, 0x000000E0, 0x0000001C, 0x00000003},
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{IMGFMT_RGB8, BO_NONNATIVE, 0x000000E0, 0x0000001C, 0x00000003},
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{IMGFMT_BGR555, BO_NATIVE, 0x0000001F, 0x000003E0, 0x00007C00},
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{IMGFMT_BGR555, BO_NATIVE, 0x00007C00, 0x000003E0, 0x0000001F},
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{IMGFMT_BGR565, BO_NATIVE, 0x0000001F, 0x000007E0, 0x0000F800},
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{IMGFMT_RGB565, BO_NATIVE, 0x0000F800, 0x000007E0, 0x0000001F},
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{IMGFMT_RGB24, MSBFirst, 0x00FF0000, 0x0000FF00, 0x000000FF},
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{IMGFMT_RGB24, LSBFirst, 0x000000FF, 0x0000FF00, 0x00FF0000},
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{IMGFMT_BGR24, MSBFirst, 0x000000FF, 0x0000FF00, 0x00FF0000},
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{IMGFMT_BGR24, LSBFirst, 0x00FF0000, 0x0000FF00, 0x000000FF},
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{IMGFMT_RGB32, BO_NATIVE, 0x000000FF, 0x0000FF00, 0x00FF0000},
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{IMGFMT_RGB32, BO_NONNATIVE, 0xFF000000, 0x00FF0000, 0x0000FF00},
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{IMGFMT_BGR32, BO_NATIVE, 0x00FF0000, 0x0000FF00, 0x000000FF},
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{IMGFMT_BGR32, BO_NONNATIVE, 0x0000FF00, 0x00FF0000, 0xFF000000},
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{IMGFMT_ARGB, MSBFirst, 0x00FF0000, 0x0000FF00, 0x000000FF},
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{IMGFMT_ARGB, LSBFirst, 0x0000FF00, 0x00FF0000, 0xFF000000},
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{IMGFMT_ABGR, MSBFirst, 0x000000FF, 0x0000FF00, 0x00FF0000},
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{IMGFMT_ABGR, LSBFirst, 0xFF000000, 0x00FF0000, 0x0000FF00},
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{IMGFMT_RGBA, MSBFirst, 0xFF000000, 0x00FF0000, 0x0000FF00},
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{IMGFMT_RGBA, LSBFirst, 0x000000FF, 0x0000FF00, 0x00FF0000},
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{IMGFMT_BGRA, MSBFirst, 0x0000FF00, 0x00FF0000, 0xFF000000},
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{IMGFMT_BGRA, LSBFirst, 0x00FF0000, 0x0000FF00, 0x000000FF},
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{0}
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};
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static int reconfig(struct vo *vo, struct mp_image_params *fmt, int flags)
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{
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struct priv *p = vo->priv;
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mp_image_unrefp(&p->original_image);
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p->in_format = *fmt;
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XGetWindowAttributes(vo->x11->display, vo->x11->rootwin, &p->attribs);
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p->depth = p->attribs.depth;
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if (p->depth != 15 && p->depth != 16 && p->depth != 24 && p->depth != 32) {
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Visual *visual;
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p->depth = find_depth_from_visuals(vo, &visual);
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}
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if (!XMatchVisualInfo(vo->x11->display, vo->x11->screen, p->depth,
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TrueColor, &p->vinfo))
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return -1;
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vo_x11_config_vo_window(vo, &p->vinfo, flags, "x11");
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if (!resize(vo))
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return -1;
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return 0;
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}
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static bool resize(struct vo *vo)
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{
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struct priv *p = vo->priv;
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for (int i = 0; i < p->num_buffers; i++)
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freeMyXImage(p, i);
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vo_get_src_dst_rects(vo, &p->src, &p->dst, &p->osd);
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p->src_w = p->src.x1 - p->src.x0;
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p->src_h = p->src.y1 - p->src.y0;
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p->dst_w = p->dst.x1 - p->dst.x0;
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p->dst_h = p->dst.y1 - p->dst.y0;
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// p->osd contains the parameters assuming OSD rendering in window
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// coordinates, but OSD can only be rendered in the intersection
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// between window and video rectangle (i.e. not into panscan borders).
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p->osd.w = p->dst_w;
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p->osd.h = p->dst_h;
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p->osd.mt = MPMIN(0, p->osd.mt);
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p->osd.mb = MPMIN(0, p->osd.mb);
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p->osd.mr = MPMIN(0, p->osd.mr);
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p->osd.ml = MPMIN(0, p->osd.ml);
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mp_input_set_mouse_transform(vo->input_ctx, &p->dst, NULL);
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p->image_width = (p->dst_w + 7) & (~7);
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p->image_height = p->dst_h;
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p->num_buffers = 2;
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for (int i = 0; i < p->num_buffers; i++) {
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if (!getMyXImage(p, i))
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return -1;
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}
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const struct fmt2Xfmtentry_s *fmte = fmt2Xfmt;
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while (fmte->mpfmt) {
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int depth = IMGFMT_RGB_DEPTH(fmte->mpfmt);
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/* bits_per_pixel in X seems to be set to 16 for 15 bit formats
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=> force depth to 16 so that only the color masks are used for the format check */
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if (depth == 15)
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depth = 16;
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if (depth == p->myximage[0]->bits_per_pixel &&
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fmte->byte_order == p->myximage[0]->byte_order &&
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fmte->red_mask == p->myximage[0]->red_mask &&
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fmte->green_mask == p->myximage[0]->green_mask &&
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fmte->blue_mask == p->myximage[0]->blue_mask)
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break;
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fmte++;
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}
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if (!fmte->mpfmt) {
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MP_ERR(vo, "X server image format not supported,"
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" please contact the developers\n");
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return -1;
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}
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p->bpp = p->myximage[0]->bits_per_pixel;
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mp_sws_set_from_cmdline(p->sws, vo->opts->sws_opts);
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p->sws->src = p->in_format;
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p->sws->dst = (struct mp_image_params) {
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.imgfmt = fmte->mpfmt,
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.w = p->dst_w,
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.h = p->dst_h,
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.d_w = p->dst_w,
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.d_h = p->dst_h,
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};
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mp_image_params_guess_csp(&p->sws->dst);
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if (mp_sws_reinit(p->sws) < 0)
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return false;
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vo_x11_clear_background(vo, &p->dst);
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vo->want_redraw = true;
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return true;
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}
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static void Display_Image(struct priv *p, XImage *myximage)
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{
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struct vo *vo = p->vo;
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XImage *x_image = p->myximage[p->current_buf];
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#if HAVE_SHM && HAVE_XEXT
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if (p->Shmem_Flag) {
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XShmPutImage(vo->x11->display, vo->x11->window, vo->x11->vo_gc, x_image,
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0, 0, p->dst.x0, p->dst.y0, p->dst_w, p->dst_h,
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True);
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vo->x11->ShmCompletionWaitCount++;
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} else
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#endif
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{
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XPutImage(vo->x11->display, vo->x11->window, vo->x11->vo_gc, x_image,
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0, 0, p->dst.x0, p->dst.y0, p->dst_w, p->dst_h);
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}
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}
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static struct mp_image get_x_buffer(struct priv *p, int buf_index)
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{
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struct mp_image img = {0};
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mp_image_set_params(&img, &p->sws->dst);
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img.planes[0] = p->ImageData[buf_index];
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img.stride[0] = p->image_width * ((p->bpp + 7) / 8);
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return img;
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}
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static void wait_for_completion(struct vo *vo, int max_outstanding)
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{
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#if HAVE_SHM && HAVE_XEXT
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struct priv *ctx = vo->priv;
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struct vo_x11_state *x11 = vo->x11;
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if (ctx->Shmem_Flag) {
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while (x11->ShmCompletionWaitCount > max_outstanding) {
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if (!ctx->Shm_Warned_Slow) {
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MP_WARN(vo, "can't keep up! Waiting"
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" for XShm completion events...\n");
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ctx->Shm_Warned_Slow = 1;
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}
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mp_sleep_us(1000);
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vo_x11_check_events(vo);
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}
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}
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#endif
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}
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static void flip_page(struct vo *vo)
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{
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struct priv *p = vo->priv;
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Display_Image(p, p->myximage[p->current_buf]);
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p->current_buf = (p->current_buf + 1) % p->num_buffers;
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if (!p->Shmem_Flag)
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XSync(vo->x11->display, False);
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}
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// Note: REDRAW_FRAME can call this with NULL.
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static void draw_image(struct vo *vo, mp_image_t *mpi)
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{
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struct priv *p = vo->priv;
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wait_for_completion(vo, p->num_buffers - 1);
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struct mp_image img = get_x_buffer(p, p->current_buf);
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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)
|
|
{
|
|
MP_DBG(vo, "query_format was called: %x (%s)\n", format,
|
|
vo_format_name(format));
|
|
if (IMGFMT_IS_RGB(format)) {
|
|
for (int n = 0; fmt2Xfmt[n].mpfmt; n++) {
|
|
if (fmt2Xfmt[n].mpfmt == format)
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (sws_isSupportedInput(imgfmt2pixfmt(format)))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static void find_x11_depth(struct vo *vo)
|
|
{
|
|
struct vo_x11_state *x11 = vo->x11;
|
|
struct priv *p = vo->priv;
|
|
XImage *mXImage = NULL;
|
|
int depth, bpp, ximage_depth;
|
|
unsigned int mask;
|
|
XWindowAttributes attribs;
|
|
|
|
// get color depth (from root window, or the best visual):
|
|
XGetWindowAttributes(x11->display, x11->rootwin, &attribs);
|
|
depth = attribs.depth;
|
|
|
|
if (depth != 15 && depth != 16 && depth != 24 && depth != 32)
|
|
{
|
|
Visual *visual;
|
|
|
|
depth = find_depth_from_visuals(vo, &visual);
|
|
if (depth != -1)
|
|
mXImage = XCreateImage(x11->display, visual, depth, ZPixmap,
|
|
0, NULL, 1, 1, 8, 1);
|
|
} else
|
|
mXImage =
|
|
XGetImage(x11->display, x11->rootwin, 0, 0, 1, 1, AllPlanes, ZPixmap);
|
|
|
|
ximage_depth = depth; // display depth on screen
|
|
|
|
// get bits/pixel from XImage structure:
|
|
if (mXImage == NULL)
|
|
{
|
|
mask = 0;
|
|
} else
|
|
{
|
|
/* for the depth==24 case, the XImage structures might use
|
|
* 24 or 32 bits of data per pixel. */
|
|
bpp = mXImage->bits_per_pixel;
|
|
if ((ximage_depth + 7) / 8 != (bpp + 7) / 8)
|
|
ximage_depth = bpp; // by A'rpi
|
|
mask =
|
|
mXImage->red_mask | mXImage->green_mask | mXImage->blue_mask;
|
|
MP_VERBOSE(vo, "color mask: %X (R:%lX G:%lX B:%lX)\n", mask,
|
|
mXImage->red_mask, mXImage->green_mask, mXImage->blue_mask);
|
|
XDestroyImage(mXImage);
|
|
}
|
|
if (((ximage_depth + 7) / 8) == 2)
|
|
{
|
|
if (mask == 0x7FFF)
|
|
ximage_depth = 15;
|
|
else if (mask == 0xFFFF)
|
|
ximage_depth = 16;
|
|
}
|
|
|
|
MP_VERBOSE(vo, "depth %d and %d bpp.\n", depth, ximage_depth);
|
|
|
|
p->ximage_depth = ximage_depth;
|
|
}
|
|
|
|
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);
|
|
|
|
talloc_free(p->original_image);
|
|
|
|
vo_x11_uninit(vo);
|
|
}
|
|
|
|
static int preinit(struct vo *vo)
|
|
{
|
|
struct priv *p = vo->priv;
|
|
p->vo = vo;
|
|
|
|
if (!vo_x11_init(vo))
|
|
return -1; // Can't open X11
|
|
find_x11_depth(vo);
|
|
p->sws = mp_sws_alloc(vo);
|
|
return 0;
|
|
}
|
|
|
|
static int control(struct vo *vo, uint32_t request, void *data)
|
|
{
|
|
struct priv *p = vo->priv;
|
|
switch (request) {
|
|
case VOCTRL_SET_EQUALIZER:
|
|
{
|
|
struct voctrl_set_equalizer_args *args = data;
|
|
struct vf_seteq eq = {args->name, args->value};
|
|
if (mp_sws_set_vf_equalizer(p->sws, &eq) == 0)
|
|
break;
|
|
return true;
|
|
}
|
|
case VOCTRL_GET_EQUALIZER:
|
|
{
|
|
struct voctrl_get_equalizer_args *args = data;
|
|
struct vf_seteq eq = {args->name};
|
|
if (mp_sws_get_vf_equalizer(p->sws, &eq) == 0)
|
|
break;
|
|
*(int *)args->valueptr = eq.value;
|
|
return true;
|
|
}
|
|
case VOCTRL_GET_PANSCAN:
|
|
return VO_TRUE;
|
|
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 ( XImage/Shm )",
|
|
.name = "x11",
|
|
.priv_size = sizeof(struct priv),
|
|
.options = (const struct m_option []){{0}},
|
|
.preinit = preinit,
|
|
.query_format = query_format,
|
|
.reconfig = reconfig,
|
|
.control = control,
|
|
.draw_image = draw_image,
|
|
.flip_page = flip_page,
|
|
.uninit = uninit,
|
|
};
|