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82fc406dfd
Allow v4l2src element to connected to vaapipostproc or vaapisink when "io-mode" is set to "dmabuf-import". In practice, this is a more likely operational mode with uvcvideo. Supporting v4lsrc with "io-mode" set to "dmabuf" could work, but with more demanding driver or kernel reqs. Note: with GStreamer 1.4, v4l2src (gst-plugins-good) needs to be built with --without-libv4l2. https://bugzilla.gnome.org/show_bug.cgi?id=743635
130 lines
4 KiB
C
130 lines
4 KiB
C
/*
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* gstvaapivideobufferpool.h - Gstreamer/VA video buffer pool
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*
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* Copyright (C) 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_VIDEO_BUFFER_POOL_H
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#define GST_VAAPI_VIDEO_BUFFER_POOL_H
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#include <gst/video/gstvideopool.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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G_BEGIN_DECLS
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#define GST_VAAPI_TYPE_VIDEO_BUFFER_POOL \
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(gst_vaapi_video_buffer_pool_get_type ())
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#define GST_VAAPI_VIDEO_BUFFER_POOL(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL, \
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GstVaapiVideoBufferPool))
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#define GST_VAAPI_VIDEO_BUFFER_POOL_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL, \
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GstVaapiVideoBufferPoolClass))
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#define GST_VAAPI_IS_VIDEO_BUFFER_POOL(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL))
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#define GST_VAAPI_IS_VIDEO_BUFFER_POOL_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_VAAPI_TYPE_VIDEO_BUFFER_POOL))
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typedef struct _GstVaapiVideoBufferPool GstVaapiVideoBufferPool;
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typedef struct _GstVaapiVideoBufferPoolClass GstVaapiVideoBufferPoolClass;
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typedef struct _GstVaapiVideoBufferPoolPrivate GstVaapiVideoBufferPoolPrivate;
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/**
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* GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META:
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*
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* An option that can be activated on bufferpool to request vaapi
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* video metadata on buffers from the pool.
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*/
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#define GST_BUFFER_POOL_OPTION_VAAPI_VIDEO_META \
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"GstBufferPoolOptionVaapiVideoMeta"
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/**
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*
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* GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META:
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*
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* An option that can be activated on bufferpool to request gl texture
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* upload on buffers from the pool.
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*
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* When this option is enabled on the bufferpool,
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* #GST_BUFFER_POOL_OPTION_VIDEO_META should also be enabled.
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*/
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#ifndef GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META
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#define GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META \
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"GstBufferPoolOptionVideoGLTextureUploadMeta"
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#endif
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/**
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* GST_BUFFER_POOL_OPTION_DMABUF_MEMORY:
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*
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* An option that can be activated on bufferpool to request dmabuf
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* handles on buffers from the pool.
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*/
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#ifndef GST_BUFFER_POOL_OPTION_DMABUF_MEMORY
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#define GST_BUFFER_POOL_OPTION_DMABUF_MEMORY \
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"GstBufferPoolOptionDMABUFMemory"
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#endif
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/**
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* GstVaapiVideoBufferPoolAcquireFlags:
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* @GST_VAAPI_VIDEO_BUFFER_POOL_ACQUIRE_FLAG_NO_ALLOC: option to
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* request that vaapi video metadata are not initially allocated,
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* but are subsequently provided by the user.
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*
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* The set of #GstVaapiVideoBufferPool specific flags for
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* gst_buffer_pool_acquire_buffer().
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*/
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typedef enum {
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GST_VAAPI_VIDEO_BUFFER_POOL_ACQUIRE_FLAG_NO_ALLOC =
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GST_BUFFER_POOL_ACQUIRE_FLAG_LAST << 0,
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} GstVaapiVideoBufferPoolAcquireFlags;
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/**
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* GstVaapiVideoBufferPool:
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*
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* A VA video buffer pool object.
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*/
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struct _GstVaapiVideoBufferPool
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{
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GstBufferPool parent_instance;
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/*< private >*/
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GstVaapiVideoBufferPoolPrivate *priv;
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};
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/**
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* GstVaapiVideoBufferPoolClass:
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*
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* A VA video buffer pool class.
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*/
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struct _GstVaapiVideoBufferPoolClass
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{
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GstBufferPoolClass parent_class;
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};
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G_GNUC_INTERNAL
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GType
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gst_vaapi_video_buffer_pool_get_type (void) G_GNUC_CONST;
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G_GNUC_INTERNAL
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GstBufferPool *
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gst_vaapi_video_buffer_pool_new (GstVaapiDisplay * display) G_GNUC_CONST;
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G_END_DECLS
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#endif /* GST_VAAPI_VIDEO_BUFFER_POOL_H */
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