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/*
* gstvaapipluginbase.h - Base GStreamer VA-API Plugin element
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library 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 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_PLUGIN_BASE_H
#define GST_VAAPI_PLUGIN_BASE_H
#include <gst/base/gstbasetransform.h>
#include <gst/video/gstvideodecoder.h>
#include <gst/video/gstvideoencoder.h>
#include <gst/video/gstvideosink.h>
#include <gst/vaapi/gstvaapidisplay.h>
#if USE_GST_GL_HELPERS
# include <gst/gl/gstglcontext.h>
#endif
G_BEGIN_DECLS
typedef struct _GstVaapiPluginBase GstVaapiPluginBase;
typedef struct _GstVaapiPluginBaseClass GstVaapiPluginBaseClass;
#define GST_VAAPI_PLUGIN_BASE(plugin) \
((GstVaapiPluginBase *)(plugin))
#define GST_VAAPI_PLUGIN_BASE_CLASS(plugin) \
((GstVaapiPluginBaseClass *)(plugin))
#define GST_VAAPI_PLUGIN_BASE_GET_CLASS(plugin) \
GST_VAAPI_PLUGIN_BASE_CLASS(GST_ELEMENT_GET_CLASS( \
GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin)))
#define GST_VAAPI_PLUGIN_BASE_PARENT(plugin) \
(&GST_VAAPI_PLUGIN_BASE(plugin)->parent_instance)
#define GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin) \
(&GST_VAAPI_PLUGIN_BASE_CLASS(plugin)->parent_class)
#define GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->element)
#define GST_VAAPI_PLUGIN_BASE_ELEMENT_CLASS(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->element)
#define GST_VAAPI_PLUGIN_BASE_DECODER(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->decoder)
#define GST_VAAPI_PLUGIN_BASE_DECODER_CLASS(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->decoder)
#define GST_VAAPI_PLUGIN_BASE_ENCODER(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->encoder)
#define GST_VAAPI_PLUGIN_BASE_ENCODER_CLASS(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->encoder)
#define GST_VAAPI_PLUGIN_BASE_TRANSFORM(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->transform)
#define GST_VAAPI_PLUGIN_BASE_TRANSFORM_CLASS(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->transform)
#define GST_VAAPI_PLUGIN_BASE_SINK(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->sink)
#define GST_VAAPI_PLUGIN_BASE_SINK_CLASS(plugin) \
(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->sink)
#define GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES \
gst_vaapi_plugin_base_init_interfaces(g_define_type_id);
#define GST_VAAPI_PLUGIN_BASE_SINK_PAD(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad)
#define GST_VAAPI_PLUGIN_BASE_SINK_PAD_CAPS(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_caps)
#define GST_VAAPI_PLUGIN_BASE_SINK_PAD_INFO(plugin) \
(&GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_info)
#define GST_VAAPI_PLUGIN_BASE_SRC_PAD(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->srcpad)
#define GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAPS(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_caps)
#define GST_VAAPI_PLUGIN_BASE_SRC_PAD_INFO(plugin) \
(&GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_info)
#define GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAN_DMABUF(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_can_dmabuf)
#define GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->display)
#define GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->display_type)
#define GST_VAAPI_PLUGIN_BASE_DISPLAY_NAME(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->display_name)
#define GST_VAAPI_PLUGIN_BASE_DISPLAY_REPLACE(plugin, new_display) \
(gst_vaapi_display_replace(&GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin), \
(new_display)))
#define GST_VAAPI_PLUGIN_BASE_DEFINE_SET_CONTEXT(parent_class) \
static void \
gst_vaapi_base_set_context (GstElement * element, GstContext * context) \
{ \
GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (element); \
\
gst_vaapi_plugin_base_set_context (plugin, context); \
GST_ELEMENT_CLASS (parent_class)->set_context (element, context); \
}
struct _GstVaapiPluginBase
{
/*< private >*/
union
{
GstElement element;
GstVideoDecoder decoder;
GstVideoEncoder encoder;
GstBaseTransform transform;
GstVideoSink sink;
} parent_instance;
GstDebugCategory *debug_category;
GstPad *sinkpad;
GstCaps *sinkpad_caps;
gboolean sinkpad_caps_is_raw;
GstVideoInfo sinkpad_info;
GstBufferPool *sinkpad_buffer_pool;
guint sinkpad_buffer_size;
GstPad *srcpad;
GstCaps *srcpad_caps;
GstVideoInfo srcpad_info;
GstBufferPool *srcpad_buffer_pool;
GstVaapiDisplay *display;
GstVaapiDisplayType display_type;
GstVaapiDisplayType display_type_req;
gchar *display_name;
GstObject *gl_context;
GstObject *gl_display;
GstObject *gl_other_context;
GstCaps *allowed_raw_caps;
GstAllocator *sinkpad_allocator;
GstAllocator *srcpad_allocator;
gboolean srcpad_can_dmabuf;
};
struct _GstVaapiPluginBaseClass
{
/*< private >*/
union
{
GstElementClass element;
GstVideoDecoderClass decoder;
GstVideoEncoderClass encoder;
GstBaseTransformClass transform;
GstVideoSinkClass sink;
} parent_class;
gboolean (*has_interface) (GstVaapiPluginBase * plugin, GType type);
void (*display_changed) (GstVaapiPluginBase * plugin);
};
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_init_interfaces (GType type);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_class_init (GstVaapiPluginBaseClass * klass);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_init (GstVaapiPluginBase * plugin,
GstDebugCategory * debug_category);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_finalize (GstVaapiPluginBase * plugin);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_open (GstVaapiPluginBase * plugin);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_close (GstVaapiPluginBase * plugin);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_has_display_type (GstVaapiPluginBase * plugin,
GstVaapiDisplayType display_type_req);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_set_display_type (GstVaapiPluginBase * plugin,
GstVaapiDisplayType display_type);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_set_display_name (GstVaapiPluginBase * plugin,
const gchar * display_name);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_ensure_display (GstVaapiPluginBase * plugin);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps,
GstCaps * outcaps);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
GstQuery * query);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_decide_allocation (GstVaapiPluginBase * plugin,
GstQuery * query);
G_GNUC_INTERNAL
GstFlowReturn
gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
GstBuffer * inbuf, GstBuffer ** outbuf_ptr);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_set_context (GstVaapiPluginBase * plugin,
GstContext * context);
G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_set_gl_context (GstVaapiPluginBase * plugin,
GstObject * object);
G_GNUC_INTERNAL
GstObject *
gst_vaapi_plugin_base_create_gl_context (GstVaapiPluginBase * plugin);
G_GNUC_INTERNAL
GstCaps *
gst_vaapi_plugin_base_get_allowed_raw_caps (GstVaapiPluginBase * plugin);
G_END_DECLS
#endif /* GST_VAAPI_PLUGIN_BASE_H */
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