mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 20:21:24 +00:00
vdpau: add basic base class for vdpau decoders
This commit is contained in:
Carl-Anton Ingmarsson
Jan Schmidt
parent
b31ab745a5
commit
b25f035fe5
3 changed files with 299 additions and 6 deletions
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@ -1,11 +1,14 @@
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plugin_LTLIBRARIES = libgstvdpau.la
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lib_LTLIBRARIES = \
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libgstvdpau.la
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libgstvdpau_la_SOURCES = \
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gstvdpaudecoder.c
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libgstvdpau_la_SOURCES =
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libgstvdpau_la_CFLAGS = $(GST_CFLAGS)
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libgstvdpau_la_LIBADD = $(GST_LIBS)
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libgstvdpau_la_CFLAGS = $(GST_CFLAGS) $(X11_CFLAGS) -Ivdpau
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libgstvdpau_la_LIBADD = $(GST_LIBS) $(X11_LIBS) -lvdpau
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libgstvdpau_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstvdpau_la_LIBTOOLFLAGS = --tag=disable-static
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noinst_HEADERS = \
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gstvdpaudecoder.h
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224
sys/vdpau/gstvdpaudecoder.c
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224
sys/vdpau/gstvdpaudecoder.c
Normal file
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@ -0,0 +1,224 @@
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/*
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* GStreamer
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* Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
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* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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 <gst/gst.h>
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#include <gst/controller/gstcontroller.h>
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#include <X11/Xlib.h>
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#include <vdpau/vdpau_x11.h>
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#include "gstvdpaudecoder.h"
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GST_DEBUG_CATEGORY_STATIC (gst_vdpaudecoder_debug);
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#define GST_CAT_DEFAULT gst_vdpaudecoder_debug
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/* Filter signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_DISPLAY,
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PROP_SILENT
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};
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw-yuv, "
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"framerate = (fraction) [ 0, MAX ], "
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"width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]"));
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/* debug category for fltering log messages
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*
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* FIXME:exchange the string 'Template vdpaudecoder' with your description
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*/
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_vdpaudecoder_debug, "vdpaudecoder", 0, "vdpaudecoder base class");
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GST_BOILERPLATE_FULL (GstVDPAUDecoder, gst_vdpaudecoder, GstElement,
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GST_TYPE_ELEMENT, DEBUG_INIT);
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static void gst_vdpaudecoder_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_vdpaudecoder_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstStateChangeReturn gst_vdpaudecoder_change_state (GstElement * element,
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GstStateChange transition);
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/* GObject vmethod implementations */
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static void
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gst_vdpaudecoder_base_init (gpointer klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_set_details_simple (element_class,
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"VDPAUDecoder",
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"Generic/Filter",
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"VDPAU decoder base class",
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"Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>");
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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}
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/* initialize the vdpaudecoder's class */
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static void
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gst_vdpaudecoder_class_init (GstVDPAUDecoderClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gobject_class->set_property = gst_vdpaudecoder_set_property;
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gobject_class->get_property = gst_vdpaudecoder_get_property;
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g_object_class_install_property (gobject_class, PROP_DISPLAY,
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g_param_spec_string ("display", "Display", "X Display name",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class, PROP_SILENT,
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g_param_spec_boolean ("silent", "Silent", "Produce verbose output ?",
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FALSE, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_vdpaudecoder_change_state);
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}
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static void
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gst_vdpaudecoder_init (GstVDPAUDecoder * dec, GstVDPAUDecoderClass * klass)
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{
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dec->display = NULL;
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dec->device = 0;
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dec->silent = FALSE;
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dec->src = gst_pad_new_from_static_template (&src_template, "src");
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gst_element_add_pad (GST_ELEMENT (dec), dec->src);
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dec->sink =
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gst_pad_new_from_template (gst_element_class_get_pad_template
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(GST_ELEMENT_CLASS (klass), "sink"), "sink");
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gst_element_add_pad (GST_ELEMENT (dec), dec->sink);
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}
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static GstStateChangeReturn
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gst_vdpaudecoder_change_state (GstElement * element, GstStateChange transition)
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{
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GstVDPAUDecoder *dec;
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dec = GST_VDPAUDECODER (element);
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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{
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Display *display;
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int screen;
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VdpStatus status;
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/* FIXME: We probably want to use the same VdpDevice for every VDPAU element */
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display = XOpenDisplay (dec->display);
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if (!display) {
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GST_ELEMENT_ERROR (dec, RESOURCE, WRITE, ("Could not initialise VDPAU"),
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("Could not open display"));
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return GST_STATE_CHANGE_FAILURE;
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}
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screen = DefaultScreen (display);
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status = vdp_device_create_x11 (display, screen, &dec->device, NULL);
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if (status != VDP_STATUS_OK) {
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GST_ELEMENT_ERROR (dec, RESOURCE, WRITE, ("Could not initialise VDPAU"),
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("Could not create VDPAU device"));
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XCloseDisplay (display);
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return GST_STATE_CHANGE_FAILURE;
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}
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XCloseDisplay (display);
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break;
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}
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default:
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break;
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}
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return GST_STATE_CHANGE_SUCCESS;
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}
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static void
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gst_vdpaudecoder_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstVDPAUDecoder *dec = GST_VDPAUDECODER (object);
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switch (prop_id) {
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case PROP_DISPLAY:
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g_free (dec->display);
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dec->display = g_value_dup_string (value);
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break;
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case PROP_SILENT:
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dec->silent = g_value_get_boolean (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_vdpaudecoder_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstVDPAUDecoder *dec = GST_VDPAUDECODER (object);
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switch (prop_id) {
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case PROP_DISPLAY:
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g_value_set_string (value, dec->display);
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break;
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case PROP_SILENT:
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g_value_set_boolean (value, dec->silent);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"vdpau",
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"vdpau elements",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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66
sys/vdpau/gstvdpaudecoder.h
Normal file
66
sys/vdpau/gstvdpaudecoder.h
Normal file
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@ -0,0 +1,66 @@
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/*
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* GStreamer
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* Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net>
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* Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_VDPAUDECODER_H__
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#define __GST_VDPAUDECODER_H__
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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#include <vdpau/vdpau.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VDPAUDECODER \
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(gst_vdpaudecoder_get_type())
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#define GST_VDPAUDECODER(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VDPAUDECODER,GstVDPAUDecoder))
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#define GST_VDPAUDECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VDPAUDECODER,GstVDPAUDecoderClass))
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#define GST_IS_VDPAUDECODER(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VDPAUDECODER))
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#define GST_IS_VDPAUDECODER_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VDPAUDECODER))
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typedef struct _GstVDPAUDecoder GstVDPAUDecoder;
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typedef struct _GstVDPAUDecoderClass GstVDPAUDecoderClass;
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struct _GstVDPAUDecoder {
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GstElement element;
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gchar *display;
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VdpDevice device;
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GstPad *src;
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GstPad *sink;
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gboolean silent;
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};
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struct _GstVDPAUDecoderClass {
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GstBaseTransformClass parent_class;
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};
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GType gst_vdpaudecoder_get_type (void);
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G_END_DECLS
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#endif /* __GST_VDPAUDECODER_H__ */
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