mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-28 23:09:59 +02:00
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
/*****************************************************************************
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* device.c: VDPAU instance management for VLC
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*****************************************************************************
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* Copyright (C) 2013-2021 Rémi Denis-Courmont
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <errno.h>
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#include <stdlib.h>
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#include <vlc_common.h>
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#include <vlc_codec.h>
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#include <vlc_plugin.h>
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#include <vlc_window.h>
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#include <vlc_xlib.h>
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#include "vlc_vdpau.h"
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typedef struct vdp_instance
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{
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Display *display;
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struct vlc_vdp_device device;
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} vdp_instance_t;
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static void Close(vlc_decoder_device *device)
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{
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vdp_instance_t *vi = device->sys;
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vdp_device_destroy(vi->device.vdp, vi->device.device);
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vdp_destroy_x11(vi->device.vdp);
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XCloseDisplay(vi->display);
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free(vi);
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}
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static const struct vlc_decoder_device_operations ops = {
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.close = Close,
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};
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static int ScreenNumberOfWindow(Display *dpy, Window w)
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{
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XWindowAttributes attrs;
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XGetWindowAttributes(dpy, w, &attrs);
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for (int num = 0; num < ScreenCount(dpy); num++)
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if (RootWindow(dpy, num) == attrs.root)
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return num;
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return -1;
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}
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static int Open(vlc_decoder_device *device, vlc_window_t *window)
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{
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int errCode = VLC_EGENERIC;
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if (window == NULL || window->type != VLC_WINDOW_TYPE_XID)
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return VLC_ENOTSUP;
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if (!vlc_xlib_init(VLC_OBJECT(device)))
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return VLC_ENOTSUP;
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vdp_instance_t *vi = malloc(sizeof (*vi));
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if (unlikely(vi == NULL))
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return VLC_ENOMEM;
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vi->display = XOpenDisplay(window->display.x11);
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if (vi->display == NULL)
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{
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free(vi);
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return -ENOBUFS;
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}
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int num = ScreenNumberOfWindow(vi->display, window->handle.xid);
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if (unlikely(num < 0))
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goto error;
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VdpStatus err = vdp_create_x11(vi->display, num, &vi->device.vdp,
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&vi->device.device);
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if (err != VDP_STATUS_OK)
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goto error;
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const char *infos;
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err = vdp_get_information_string(vi->device.vdp, &infos);
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if (err == VDP_STATUS_OK)
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{
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if (strstr(infos, "VAAPI") != NULL)
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{
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vdp_device_destroy(vi->device.vdp, vi->device.device);
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vdp_destroy_x11(vi->device.vdp);
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errCode = -EACCES;
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goto error;
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}
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msg_Info(device, "Using %s", infos);
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}
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device->ops = &ops;
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device->sys = vi;
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device->type = VLC_DECODER_DEVICE_VDPAU;
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device->opaque = &vi->device;
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return VLC_SUCCESS;
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error:
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XCloseDisplay(vi->display);
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free(vi);
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return errCode;
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}
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vlc_module_begin()
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set_description("VDPAU decoder device")
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set_callback_dec_device(Open, 3)
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add_shortcut("vdpau")
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set_subcategory(SUBCAT_VIDEO_VOUT)
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vlc_module_end()
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