mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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ad4c38b36f
Instead of instantiating an allocator per vaapivideobufferpool, only one allocator is instantiated per element's pad and shared among future pools. If the pad's caps changes, the allocator is reset. https://bugzilla.gnome.org/show_bug.cgi?id=765435
282 lines
8.8 KiB
C
282 lines
8.8 KiB
C
/*
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* gstvaapipluginbase.h - Base GStreamer VA-API Plugin element
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.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 Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_PLUGIN_BASE_H
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#define GST_VAAPI_PLUGIN_BASE_H
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#include <gst/base/gstbasetransform.h>
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#include <gst/video/gstvideodecoder.h>
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#include <gst/video/gstvideoencoder.h>
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#include <gst/video/gstvideosink.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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#if USE_GST_GL_HELPERS
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# include <gst/gl/gstglcontext.h>
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#endif
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G_BEGIN_DECLS
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typedef struct _GstVaapiPluginBase GstVaapiPluginBase;
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typedef struct _GstVaapiPluginBaseClass GstVaapiPluginBaseClass;
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#define GST_VAAPI_PLUGIN_BASE(plugin) \
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((GstVaapiPluginBase *)(plugin))
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#define GST_VAAPI_PLUGIN_BASE_CLASS(plugin) \
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((GstVaapiPluginBaseClass *)(plugin))
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#define GST_VAAPI_PLUGIN_BASE_GET_CLASS(plugin) \
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GST_VAAPI_PLUGIN_BASE_CLASS(GST_ELEMENT_GET_CLASS( \
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GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin)))
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#define GST_VAAPI_PLUGIN_BASE_PARENT(plugin) \
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(&GST_VAAPI_PLUGIN_BASE(plugin)->parent_instance)
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#define GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_CLASS(plugin)->parent_class)
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#define GST_VAAPI_PLUGIN_BASE_ELEMENT(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->element)
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#define GST_VAAPI_PLUGIN_BASE_ELEMENT_CLASS(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->element)
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#define GST_VAAPI_PLUGIN_BASE_DECODER(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->decoder)
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#define GST_VAAPI_PLUGIN_BASE_DECODER_CLASS(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->decoder)
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#define GST_VAAPI_PLUGIN_BASE_ENCODER(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->encoder)
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#define GST_VAAPI_PLUGIN_BASE_ENCODER_CLASS(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->encoder)
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#define GST_VAAPI_PLUGIN_BASE_TRANSFORM(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->transform)
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#define GST_VAAPI_PLUGIN_BASE_TRANSFORM_CLASS(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->transform)
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#define GST_VAAPI_PLUGIN_BASE_SINK(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT(plugin)->sink)
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#define GST_VAAPI_PLUGIN_BASE_SINK_CLASS(plugin) \
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(&GST_VAAPI_PLUGIN_BASE_PARENT_CLASS(plugin)->sink)
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#define GST_VAAPI_PLUGIN_BASE_INIT_INTERFACES \
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gst_vaapi_plugin_base_init_interfaces(g_define_type_id);
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#define GST_VAAPI_PLUGIN_BASE_SINK_PAD(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad)
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#define GST_VAAPI_PLUGIN_BASE_SINK_PAD_CAPS(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_caps)
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#define GST_VAAPI_PLUGIN_BASE_SINK_PAD_INFO(plugin) \
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(&GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_info)
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#define GST_VAAPI_PLUGIN_BASE_SINK_PAD_QUERYFUNC(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->sinkpad_query)
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#define GST_VAAPI_PLUGIN_BASE_SRC_PAD(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->srcpad)
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#define GST_VAAPI_PLUGIN_BASE_SRC_PAD_CAPS(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_caps)
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#define GST_VAAPI_PLUGIN_BASE_SRC_PAD_INFO(plugin) \
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(&GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_info)
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#define GST_VAAPI_PLUGIN_BASE_SRC_PAD_QUERYFYNC(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->srcpad_query)
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#define GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->display)
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#define GST_VAAPI_PLUGIN_BASE_DISPLAY_TYPE(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->display_type)
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#define GST_VAAPI_PLUGIN_BASE_DISPLAY_NAME(plugin) \
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(GST_VAAPI_PLUGIN_BASE(plugin)->display_name)
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#define GST_VAAPI_PLUGIN_BASE_DISPLAY_REPLACE(plugin, new_display) \
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(gst_vaapi_display_replace(&GST_VAAPI_PLUGIN_BASE_DISPLAY(plugin), \
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(new_display)))
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#define GST_VAAPI_PLUGIN_BASE_DEFINE_VMETHODS(parent_class) \
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GST_VAAPI_PLUGIN_BASE_DEFINE_SET_CONTEXT(parent_class) \
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GST_VAAPI_PLUGIN_BASE_DEFINE_CHANGE_STATE(parent_class)
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#define GST_VAAPI_PLUGIN_BASE_DEFINE_SET_CONTEXT(parent_class) \
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static void \
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gst_vaapi_base_set_context (GstElement * element, GstContext * context) \
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{ \
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GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (element); \
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\
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gst_vaapi_plugin_base_set_context (plugin, context); \
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GST_ELEMENT_CLASS (parent_class)->set_context (element, context); \
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}
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#define GST_VAAPI_PLUGIN_BASE_DEFINE_CHANGE_STATE(parent_class) \
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static GstStateChangeReturn \
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gst_vaapi_base_change_state (GstElement * element, \
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GstStateChange transition) \
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{ \
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GstStateChangeReturn ret; \
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\
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, \
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transition); \
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if (ret == GST_STATE_CHANGE_FAILURE) \
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return ret; \
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\
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switch (transition) { \
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case GST_STATE_CHANGE_NULL_TO_READY:{ \
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GstVaapiPluginBase *const plugin = GST_VAAPI_PLUGIN_BASE (element); \
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if (!gst_vaapi_plugin_base_driver_is_whitelisted (plugin)) \
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ret = GST_STATE_CHANGE_FAILURE; \
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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 ret; \
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}
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struct _GstVaapiPluginBase
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{
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/*< private >*/
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union
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{
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GstElement element;
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GstVideoDecoder decoder;
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GstVideoEncoder encoder;
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GstBaseTransform transform;
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GstVideoSink sink;
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} parent_instance;
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GstDebugCategory *debug_category;
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GstPad *sinkpad;
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GstCaps *sinkpad_caps;
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gboolean sinkpad_caps_is_raw;
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GstVideoInfo sinkpad_info;
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GstBufferPool *sinkpad_buffer_pool;
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guint sinkpad_buffer_size;
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GstPad *srcpad;
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GstCaps *srcpad_caps;
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GstVideoInfo srcpad_info;
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GstBufferPool *srcpad_buffer_pool;
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GstVaapiDisplay *display;
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GstVaapiDisplayType display_type;
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GstVaapiDisplayType display_type_req;
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gchar *display_name;
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GstObject *gl_context;
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GstCaps *allowed_raw_caps;
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GstAllocator *sinkpad_allocator;
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GstAllocator *srcpad_allocator;
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};
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struct _GstVaapiPluginBaseClass
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{
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/*< private >*/
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union
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{
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GstElementClass element;
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GstVideoDecoderClass decoder;
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GstVideoEncoderClass encoder;
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GstBaseTransformClass transform;
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GstVideoSinkClass sink;
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} parent_class;
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gboolean (*has_interface) (GstVaapiPluginBase * plugin, GType type);
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void (*display_changed) (GstVaapiPluginBase * plugin);
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};
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_init_interfaces (GType type);
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_class_init (GstVaapiPluginBaseClass * klass);
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_init (GstVaapiPluginBase * plugin,
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GstDebugCategory * debug_category);
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_finalize (GstVaapiPluginBase * plugin);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_plugin_base_open (GstVaapiPluginBase * plugin);
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_close (GstVaapiPluginBase * plugin);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_plugin_base_has_display_type (GstVaapiPluginBase * plugin,
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GstVaapiDisplayType display_type_req);
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_set_display_type (GstVaapiPluginBase * plugin,
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GstVaapiDisplayType display_type);
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_set_display_name (GstVaapiPluginBase * plugin,
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const gchar * display_name);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_plugin_base_ensure_display (GstVaapiPluginBase * plugin);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_plugin_base_set_caps (GstVaapiPluginBase * plugin, GstCaps * incaps,
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GstCaps * outcaps);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_plugin_base_propose_allocation (GstVaapiPluginBase * plugin,
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GstQuery * query);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_plugin_base_decide_allocation (GstVaapiPluginBase * plugin,
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GstQuery * query);
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G_GNUC_INTERNAL
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GstFlowReturn
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gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
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GstBuffer * inbuf, GstBuffer ** outbuf_ptr);
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G_GNUC_INTERNAL
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gboolean
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gst_vaapi_plugin_base_driver_is_whitelisted (GstVaapiPluginBase * plugin);
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_set_context (GstVaapiPluginBase * plugin,
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GstContext * context);
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G_GNUC_INTERNAL
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void
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gst_vaapi_plugin_base_set_gl_context (GstVaapiPluginBase * plugin,
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GstObject * object);
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G_GNUC_INTERNAL
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GstCaps *
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gst_vaapi_plugin_base_get_allowed_raw_caps (GstVaapiPluginBase * plugin);
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G_END_DECLS
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#endif /* GST_VAAPI_PLUGIN_BASE_H */
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