static void wait_for_completion(struct vo *vo, int max_outstanding) { #if HAVE_SHM && HAVE_XEXT 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 double timing_sleep(struct MPContext *mpctx, double time_frame) { // assume kernel HZ=100 for softsleep, works with larger HZ but with // unnecessarily high CPU usage struct MPOpts *opts = mpctx->opts; double margin = opts->softsleep ? 0.011 : 0; while (time_frame > margin) { mp_sleep_us(1000000 * (time_frame - margin)); time_frame -= get_relative_time(mpctx); } if (opts->softsleep) { if (time_frame < 0) MP_WARN(mpctx, "Warning! Softsleep underflow!\n"); while (time_frame > 0) time_frame -= get_relative_time(mpctx); // burn the CPU } return time_frame; }
// close audio device static void uninit(struct ao *ao, bool immed) { ALCcontext *ctx = alcGetCurrentContext(); ALCdevice *dev = alcGetContextsDevice(ctx); free(tmpbuf); if (!immed) { ALint state; alGetSourcei(sources[0], AL_SOURCE_STATE, &state); while (state == AL_PLAYING) { mp_sleep_us(10000); alGetSourcei(sources[0], AL_SOURCE_STATE, &state); } } reset(ao); alcMakeContextCurrent(NULL); alcDestroyContext(ctx); alcCloseDevice(dev); ao_data = NULL; }
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 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, };