vdpau: remove dead code

modules/hw/vdpau/Makefile.am

 vdpaudir = $(pluginsdir)/vdpau
 
-libvlc_vdpau_la_SOURCES = hw/vdpau/vlc_vdpau.c hw/vdpau/vlc_vdpau.h hw/vdpau/instance.c
+libvlc_vdpau_la_SOURCES = hw/vdpau/vlc_vdpau.c hw/vdpau/vlc_vdpau.h
 libvlc_vdpau_la_CFLAGS = $(VDPAU_CFLAGS)
 libvlc_vdpau_la_LIBADD = $(X_LIBS) $(X_PRE_LIBS) -lX11 $(LIBDL)
 libvlc_vdpau_la_LDFLAGS = \

modules/hw/vdpau/instance.c

-/*****************************************************************************
- * instance.c: VDPAU instance management for VLC
- *****************************************************************************
- * Copyright (C) 2013 Rémi Denis-Courmont
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This program 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <assert.h>
-#include <pthread.h>
-#include <X11/Xlib.h>
-#include <vlc_common.h>
-#include "vlc_vdpau.h"
-
-#pragma GCC visibility push(default)
-
-typedef struct vdp_instance
-{
-    Display *display;
-    vdp_t *vdp;
-    VdpDevice device;
-
-    struct vdp_instance *next;
-} vdp_instance_t;
-
-static vdp_instance_t *vdp_instance_create(const char *name, int num)
-{
-    vdp_instance_t *vi = malloc(sizeof (*vi));
-
-    if (unlikely(vi == NULL))
-        return NULL;
-
-    vi->display = XOpenDisplay(name);
-    if (vi->display == NULL)
-    {
-        free(vi);
-        return NULL;
-    }
-
-    if (num < 0)
-        num = XDefaultScreen(vi->display);
-
-    VdpStatus err = vdp_create_x11(vi->display, num, &vi->vdp, &vi->device);
-    if (err != VDP_STATUS_OK)
-    {
-        XCloseDisplay(vi->display);
-        free(vi);
-        return NULL;
-    }
-
-    vi->next = NULL;
-
-    return vi;
-}
-
-static void vdp_instance_destroy(vdp_instance_t *vi)
-{
-    vdp_device_destroy(vi->vdp, vi->device);
-    vdp_destroy_x11(vi->vdp);
-    XCloseDisplay(vi->display);
-    free(vi);
-}
-
-static vdp_instance_t *list = NULL;
-
-static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
-
-/** Finds an existing VDPAU instance for the given X11 display and screen.
- * If not found, (try to) create a new one.
- * @param display_name X11 display string, NULL for default
- * @param snum X11 screen number, strictly negative for default
- **/
-VdpStatus vdp_get_x11(const char *display_name, int snum,
-                      vdp_t **restrict vdpp, VdpDevice *restrict devicep)
-{
-    vdp_instance_t *vi = vdp_instance_create(display_name, snum);
-    if (vi == NULL)
-        return VDP_STATUS_ERROR;
-
-    pthread_mutex_lock(&lock);
-    vi->next = list;
-    list = vi;
-    pthread_mutex_unlock(&lock);
-    *vdpp = vi->vdp;
-    *devicep = vi->device;
-    return VDP_STATUS_OK;
-}
-
-void vdp_release_x11(vdp_t *vdp)
-{
-    vdp_instance_t *vi, **pp = &list;
-
-    pthread_mutex_lock(&lock);
-    for (;;)
-    {
-        vi = *pp;
-        assert(vi != NULL);
-        if (vi->vdp == vdp)
-            break;
-        pp = &vi->next;
-    }
-
-    *pp = vi->next; /* Unlink the instance */
-    pthread_mutex_unlock(&lock);
-
-    if (vi != NULL)
-        vdp_instance_destroy(vi);
-}

modules/hw/vdpau/vlc_vdpau.h

@@ -172,32 +172,6 @@ VdpStatus vdp_create_x11(void *dpy, int snum, vdp_t **vdpp, VdpDevice *devp);
  */
 void vdp_destroy_x11(vdp_t *);
 
-/* Instance reuse */
-
-/**
- * Creates a VDPAU instance.
- *
- * This function connects to the X11 server and creates a VDPAU instance and
- * VDPAU device matching the specified screen number.
- *
- * @param name X11 display name
- * @param snum X11 screen number
- * @param vdp memory location to hold the VDPAU instance pointer [OUT]
- * @param dev memory location to hold the VDPAU device handle [OUT]
- * @return VDP_STATUS_OK on success, otherwise a VDPAU error code.
- *
- * @note Use vdp_release_x11() to release the instance. <b>Do not use</b>
- * vdp_device_destroy() and/or vdp_destroy_x11() with vdp_get_x11().
- */
-VdpStatus vdp_get_x11(const char *name, int num, vdp_t **vdp, VdpDevice *dev);
-
-/**
- * Decreases the reference count of a VDPAU instance created by vdp_get_x11().
- * If it reaches zero, destroy the corresponding VDPAU device, then the VDPAU
- * instance and remove the pair from the process-wide list.
- */
-void vdp_release_x11(vdp_t *);
-
 /* VLC specifics */
 # include <stdatomic.h>
 # include <stdbool.h>