/* * GStreamer * Copyright (C) 2009 Carl-Anton Ingmarsson * * 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 #include #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; if (device->device != VDP_INVALID_HANDLE) { device->vdp_device_destroy (device->device); device->device = VDP_INVALID_HANDLE; } if (device->display) { XCloseDisplay (device->display); device->display = NULL; } g_free (device->display_name); device->display_name = NULL; 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; }