diff options
Diffstat (limited to 'sys/vdpau/gstvdpvideobuffer.c')
-rw-r--r-- | sys/vdpau/gstvdpvideobuffer.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/sys/vdpau/gstvdpvideobuffer.c b/sys/vdpau/gstvdpvideobuffer.c new file mode 100644 index 00000000..8ae14e98 --- /dev/null +++ b/sys/vdpau/gstvdpvideobuffer.c @@ -0,0 +1,138 @@ +/* + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "gstvdpvideobuffer.h" + + +void +gst_vdp_video_buffer_add_reference (GstVdpVideoBuffer * buffer, + GstVdpVideoBuffer * buf) +{ + g_assert (GST_IS_VDP_VIDEO_BUFFER (buffer)); + g_assert (GST_IS_VDP_VIDEO_BUFFER (buf)); + + gst_buffer_ref (GST_BUFFER (buf)); + buffer->refs = g_slist_prepend (buffer->refs, buf); +} + +GstVdpVideoBuffer * +gst_vdp_video_buffer_new (GstVdpDevice * device, VdpChromaType chroma_type, + gint width, gint height) +{ + GstVdpVideoBuffer *buffer; + VdpStatus status; + VdpVideoSurface surface; + + status = device->vdp_video_surface_create (device->device, chroma_type, width, + height, &surface); + if (status != VDP_STATUS_OK) { + GST_ERROR ("Couldn't create a VdpVideoSurface, error returned was: %s", + device->vdp_get_error_string (status)); + return NULL; + } + + buffer = + (GstVdpVideoBuffer *) gst_mini_object_new (GST_TYPE_VDP_VIDEO_BUFFER); + + buffer->device = g_object_ref (device); + buffer->surface = surface; + + return buffer; +} + +static GObjectClass *gst_vdp_video_buffer_parent_class; + +static void +gst_vdp_video_buffer_finalize (GstVdpVideoBuffer * buffer) +{ + GSList *iter; + GstVdpDevice *device; + VdpStatus status; + + device = buffer->device; + + status = device->vdp_video_surface_destroy (buffer->surface); + if (status != VDP_STATUS_OK) + GST_ERROR + ("Couldn't destroy the buffers VdpVideoSurface, error returned was: %s", + device->vdp_get_error_string (status)); + + g_object_unref (buffer->device); + + for (iter = buffer->refs; iter; iter = g_slist_next (iter)) { + GstBuffer *buf; + + buf = (GstBuffer *) (iter->data); + gst_buffer_unref (buf); + } + g_slist_free (buffer->refs); + + GST_MINI_OBJECT_CLASS (gst_vdp_video_buffer_parent_class)->finalize + (GST_MINI_OBJECT (buffer)); +} + +static void +gst_vdp_video_buffer_init (GstVdpVideoBuffer * buffer, gpointer g_class) +{ + buffer->device = NULL; + buffer->surface = VDP_INVALID_HANDLE; + + buffer->refs = NULL; +} + +static void +gst_vdp_video_buffer_class_init (gpointer g_class, gpointer class_data) +{ + GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class); + + gst_vdp_video_buffer_parent_class = g_type_class_peek_parent (g_class); + + mini_object_class->finalize = (GstMiniObjectFinalizeFunction) + gst_vdp_video_buffer_finalize; +} + + +GType +gst_vdp_video_buffer_get_type (void) +{ + static GType _gst_vdp_video_buffer_type; + + if (G_UNLIKELY (_gst_vdp_video_buffer_type == 0)) { + static const GTypeInfo info = { + sizeof (GstBufferClass), + NULL, + NULL, + gst_vdp_video_buffer_class_init, + NULL, + NULL, + sizeof (GstVdpVideoBuffer), + 0, + (GInstanceInitFunc) gst_vdp_video_buffer_init, + NULL + }; + _gst_vdp_video_buffer_type = g_type_register_static (GST_TYPE_BUFFER, + "GstVdpVideoBuffer", &info, 0); + } + return _gst_vdp_video_buffer_type; +} |