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gstreamer/gst/vaapi/gstvaapipluginbase.h

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plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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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>
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#include "gstvaapiuploader.h"
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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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)
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#define GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES \
gst_vaapi_plugin_base_init_interfaces(g_define_type_id);
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#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_SINK_PAD_QUERYFUNC(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_query)
#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_QUERYFYNC(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_query)
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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#define GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->display)
plugins: factor out display creation process. Move common VA display creation code to GstVaapiPluginBase, with the default display type remaining "any". Also add a "display-changed" hook so that subclasses could perform additional tasks when/if the VA display changed, due to a new display type request for instance. All plug-ins are updated to cope with the new internal APIs.
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#define GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->display_type)
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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#define GST_VAAPI_PLUGIN_BASE_DISPLAY_REPLACE(plugin, new_display) \
(gst_vaapi_display_replace(&GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin), \
(new_display)))
plugins: factor out support for raw YUV buffers on sink pads. Factor out propose_allocation() hooks, creation of video buffer pool for the sink pad, conversion from raw YUV buffers to VA surface backed buffers. Update vaapidecode, vaapiencode and vaapipostproc to cope with the new GstVaapiPluginBase abilities.
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#define GST_VAAPI_PLUGIN_BASE_UPLOADER(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->uploader)
#define GST_VAAPI_PLUGIN_BASE_UPLOADER_CAPS(plugin) \
(gst_vaapi_uploader_get_caps(GST_VAAPI_PLUGIN_BASE_UPLOADER(plugin)))
#define GST_VAAPI_PLUGIN_BASE_UPLOADER_USED(plugin) \
(GST_VAAPI_PLUGIN_BASE(plugin)->uploader_used)
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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struct _GstVaapiPluginBase
{
/*< private >*/
union
{
GstElement element;
GstVideoDecoder decoder;
GstVideoEncoder encoder;
GstBaseTransform transform;
GstVideoSink sink;
} parent_instance;
GstDebugCategory *debug_category;
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GstPad *sinkpad;
GstCaps *sinkpad_caps;
gboolean sinkpad_caps_changed;
GstVideoInfo sinkpad_info;
GstPadQueryFunction sinkpad_query;
plugins: factor out support for raw YUV buffers on sink pads. Factor out propose_allocation() hooks, creation of video buffer pool for the sink pad, conversion from raw YUV buffers to VA surface backed buffers. Update vaapidecode, vaapiencode and vaapipostproc to cope with the new GstVaapiPluginBase abilities.
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#if GST_CHECK_VERSION(1,0,0)
GstBufferPool *sinkpad_buffer_pool;
guint sinkpad_buffer_size;
#endif
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GstPad *srcpad;
GstCaps *srcpad_caps;
gboolean srcpad_caps_changed;
GstVideoInfo srcpad_info;
GstPadQueryFunction srcpad_query;
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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GstVaapiDisplay *display;
plugins: factor out display creation process. Move common VA display creation code to GstVaapiPluginBase, with the default display type remaining "any". Also add a "display-changed" hook so that subclasses could perform additional tasks when/if the VA display changed, due to a new display type request for instance. All plug-ins are updated to cope with the new internal APIs.
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GstVaapiDisplayType display_type;
GstVaapiDisplayType display_type_req;
plugins: factor out support for raw YUV buffers on sink pads. Factor out propose_allocation() hooks, creation of video buffer pool for the sink pad, conversion from raw YUV buffers to VA surface backed buffers. Update vaapidecode, vaapiencode and vaapipostproc to cope with the new GstVaapiPluginBase abilities.
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GstVaapiUploader *uploader;
gboolean uploader_used;
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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};
struct _GstVaapiPluginBaseClass
{
/*< private >*/
union
{
GstElementClass element;
GstVideoDecoderClass decoder;
GstVideoEncoderClass encoder;
GstBaseTransformClass transform;
GstVideoSinkClass sink;
} parent_class;
plugins: factor out display creation process. Move common VA display creation code to GstVaapiPluginBase, with the default display type remaining "any". Also add a "display-changed" hook so that subclasses could perform additional tasks when/if the VA display changed, due to a new display type request for instance. All plug-ins are updated to cope with the new internal APIs.
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plugins: factor out GstImplementsInterface.
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gboolean (*has_interface) (GstVaapiPluginBase * plugin, GType type);
plugins: factor out display creation process. Move common VA display creation code to GstVaapiPluginBase, with the default display type remaining "any". Also add a "display-changed" hook so that subclasses could perform additional tasks when/if the VA display changed, due to a new display type request for instance. All plug-ins are updated to cope with the new internal APIs.
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void (*display_changed) (GstVaapiPluginBase * plugin);
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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};
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G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_init_interfaces (GType type);
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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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);
plugins: factor out display creation process. Move common VA display creation code to GstVaapiPluginBase, with the default display type remaining "any". Also add a "display-changed" hook so that subclasses could perform additional tasks when/if the VA display changed, due to a new display type request for instance. All plug-ins are updated to cope with the new internal APIs.
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G_GNUC_INTERNAL
void
gst_vaapi_plugin_base_set_display_type (GstVaapiPluginBase * plugin,
GstVaapiDisplayType display_type);
G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_ensure_display (GstVaapiPluginBase * plugin);
plugins: factor out support for raw YUV buffers on sink pads. Factor out propose_allocation() hooks, creation of video buffer pool for the sink pad, conversion from raw YUV buffers to VA surface backed buffers. Update vaapidecode, vaapiencode and vaapipostproc to cope with the new GstVaapiPluginBase abilities.
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G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_ensure_uploader (GstVaapiPluginBase * plugin);
plugins: factor out pad caps.
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G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps,
GstCaps * outcaps);
plugins: factor out support for raw YUV buffers on sink pads. Factor out propose_allocation() hooks, creation of video buffer pool for the sink pad, conversion from raw YUV buffers to VA surface backed buffers. Update vaapidecode, vaapiencode and vaapipostproc to cope with the new GstVaapiPluginBase abilities.
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G_GNUC_INTERNAL
gboolean
gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
GstQuery * query);
G_GNUC_INTERNAL
GstFlowReturn
gst_vaapi_plugin_base_allocate_input_buffer (GstVaapiPluginBase * plugin,
GstCaps * caps, GstBuffer ** outbuf_ptr);
G_GNUC_INTERNAL
GstFlowReturn
gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
GstBuffer * inbuf, GstBuffer ** outbuf_ptr);
plugins: add new base object, store display in there. Introduce a new GstVaapiPluginBase object that will contain all common data structures and perform all common tasks. First step is to have a single place to hold VA displays. While we are at it, also make sure to store and subsequently release the appropriate debug category for the subclasses.
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G_END_DECLS
#endif /* GST_VAAPI_PLUGIN_BASE_H */
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