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-rw-r--r--sys/vdpau/gstvdpdevice.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/sys/vdpau/gstvdpdevice.c b/sys/vdpau/gstvdpdevice.c
new file mode 100644
index 00000000..4ed1b177
--- /dev/null
+++ b/sys/vdpau/gstvdpdevice.c
@@ -0,0 +1,266 @@
+/*
+ * GStreamer
+ * Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <vdpau/vdpau_x11.h>
+#include <gst/gst.h>
+
+#include "gstvdpdevice.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_vdp_device_debug);
+#define GST_CAT_DEFAULT gst_vdp_device_debug
+
+enum
+{
+ PROP_0,
+ PROP_DISPLAY
+};
+
+
+
+G_DEFINE_TYPE (GstVdpDevice, gst_vdp_device, G_TYPE_OBJECT);
+
+static void
+gst_vdp_device_init (GstVdpDevice * device)
+{
+ device->display_name = NULL;
+ device->display = NULL;
+ device->device = VDP_INVALID_HANDLE;
+}
+
+static void
+gst_vdp_device_finalize (GObject * object)
+{
+ GstVdpDevice *device = (GstVdpDevice *) object;
+
+ device->vdp_device_destroy (device->device);
+ XCloseDisplay (device->display);
+ g_free (device->display_name);
+
+ G_OBJECT_CLASS (gst_vdp_device_parent_class)->finalize (object);
+}
+
+static void
+gst_vdp_device_constructed (GObject * object)
+{
+ GstVdpDevice *device = (GstVdpDevice *) object;
+ gint screen;
+ VdpStatus status;
+ gint i;
+
+ typedef struct
+ {
+ gint id;
+ void *func;
+ } VdpFunction;
+
+ VdpFunction vdp_function[] = {
+ {VDP_FUNC_ID_DEVICE_DESTROY, &device->vdp_device_destroy},
+ {VDP_FUNC_ID_VIDEO_SURFACE_CREATE,
+ &device->vdp_video_surface_create},
+ {VDP_FUNC_ID_VIDEO_SURFACE_DESTROY,
+ &device->vdp_video_surface_destroy},
+ {VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
+ &device->vdp_video_surface_query_capabilities},
+ {VDP_FUNC_ID_VIDEO_SURFACE_QUERY_GET_PUT_BITS_Y_CB_CR_CAPABILITIES,
+ &device->vdp_video_surface_query_ycbcr_capabilities},
+ {VDP_FUNC_ID_VIDEO_SURFACE_GET_BITS_Y_CB_CR,
+ &device->vdp_video_surface_get_bits_ycbcr},
+ {VDP_FUNC_ID_VIDEO_SURFACE_PUT_BITS_Y_CB_CR,
+ &device->vdp_video_surface_put_bits_ycbcr},
+ {VDP_FUNC_ID_VIDEO_SURFACE_GET_PARAMETERS,
+ &device->vdp_video_surface_get_parameters},
+ {VDP_FUNC_ID_DECODER_CREATE, &device->vdp_decoder_create},
+ {VDP_FUNC_ID_DECODER_RENDER, &device->vdp_decoder_render},
+ {VDP_FUNC_ID_DECODER_DESTROY, &device->vdp_decoder_destroy},
+ {VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
+ &device->vdp_decoder_query_capabilities},
+ {VDP_FUNC_ID_DECODER_GET_PARAMETERS,
+ &device->vdp_decoder_get_parameters},
+ {0, NULL}
+ };
+
+ device->display = XOpenDisplay (device->display_name);
+ if (!device->display) {
+ GST_ERROR_OBJECT (device, "Could not open X display with name: %s",
+ device->display_name);
+ return;
+ }
+
+ screen = DefaultScreen (device->display);
+ status =
+ vdp_device_create_x11 (device->display, screen, &device->device,
+ &device->vdp_get_proc_address);
+ if (status != VDP_STATUS_OK) {
+ GST_ERROR_OBJECT (device, "Could not create VDPAU device");
+ XCloseDisplay (device->display);
+ device->display = NULL;
+
+ return;
+ }
+
+ status = device->vdp_get_proc_address (device->device,
+ VDP_FUNC_ID_GET_ERROR_STRING, (void **) &device->vdp_get_error_string);
+ if (status != VDP_STATUS_OK) {
+ GST_ERROR_OBJECT (device,
+ "Could not get vdp_get_error_string function pointer from VDPAU");
+ goto error;
+ }
+
+ for (i = 0; vdp_function[i].func != NULL; i++) {
+ status = device->vdp_get_proc_address (device->device,
+ vdp_function[i].id, vdp_function[i].func);
+
+ if (status != VDP_STATUS_OK) {
+ GST_ERROR_OBJECT (device, "Could not get function pointer from VDPAU,"
+ " error returned was: %s", device->vdp_get_error_string (status));
+ goto error;
+ }
+ }
+
+ return;
+
+error:
+ XCloseDisplay (device->display);
+ device->display = NULL;
+
+ if (device->device != VDP_INVALID_HANDLE) {
+ device->vdp_device_destroy (device->device);
+ device->device = VDP_INVALID_HANDLE;
+ }
+}
+
+static void
+gst_vdp_device_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstVdpDevice *device;
+
+ g_return_if_fail (GST_IS_VDP_DEVICE (object));
+
+ device = (GstVdpDevice *) object;
+
+ switch (prop_id) {
+ case PROP_DISPLAY:
+ device->display_name = g_value_dup_string (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_vdp_device_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
+{
+ GstVdpDevice *device;
+
+ g_return_if_fail (GST_IS_VDP_DEVICE (object));
+
+ device = (GstVdpDevice *) object;
+
+ switch (prop_id) {
+ case PROP_DISPLAY:
+ g_value_set_string (value, device->display_name);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_vdp_device_class_init (GstVdpDeviceClass * klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gst_vdp_device_constructed;
+ object_class->finalize = gst_vdp_device_finalize;
+ object_class->get_property = gst_vdp_device_get_property;
+ object_class->set_property = gst_vdp_device_set_property;
+
+ g_object_class_install_property (object_class,
+ PROP_DISPLAY,
+ g_param_spec_string ("display",
+ "Display",
+ "X Display Name",
+ "", G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
+}
+
+GstVdpDevice *
+gst_vdp_device_new (const gchar * display_name)
+{
+ GstVdpDevice *device;
+
+ device = g_object_new (GST_TYPE_VDP_DEVICE, "display", display_name, NULL);
+
+ return device;
+}
+
+static void
+device_destroyed_cb (gpointer data, GObject * object)
+{
+ GHashTable *devices_hash = data;
+ GHashTableIter iter;
+ gpointer device;
+
+ GST_DEBUG ("Removing object from hash table");
+
+ g_hash_table_iter_init (&iter, devices_hash);
+ while (g_hash_table_iter_next (&iter, NULL, &device)) {
+ if (device == object) {
+ g_hash_table_iter_remove (&iter);
+ break;
+ }
+ }
+}
+
+GstVdpDevice *
+gst_vdp_get_device (const gchar * display_name)
+{
+ static gsize once = 0;
+ static GHashTable *devices_hash;
+ GstVdpDevice *device;
+
+ if (g_once_init_enter (&once)) {
+ GST_DEBUG_CATEGORY_INIT (gst_vdp_device_debug, "vdpaudevice",
+ 0, "vdpaudevice");
+ devices_hash =
+ g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+ g_once_init_leave (&once, 1);
+ }
+
+ if (display_name)
+ device = g_hash_table_lookup (devices_hash, display_name);
+ else
+ device = g_hash_table_lookup (devices_hash, "");
+
+ if (!device) {
+ device = gst_vdp_device_new (display_name);
+ g_object_weak_ref (G_OBJECT (device), device_destroyed_cb, devices_hash);
+ if (display_name)
+ g_hash_table_insert (devices_hash, g_strdup (display_name), device);
+ else
+ g_hash_table_insert (devices_hash, g_strdup (""), device);
+ } else
+ g_object_ref (device);
+
+ return device;
+}
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