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4d860ec82b
Implements msdk frame allocator which is required from the driver. Also makes these functions global so that GstMsdkAllocator could use the allocated video memory later and couple with GstMsdkMemory. GstMsdkContext keeps allocation information such as mfxFrameAllocRequest and mfxFrameAllocResponse after allocation. https://bugzilla.gnome.org/show_bug.cgi?id=790752
117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/* GStreamer Intel MSDK plugin
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* Copyright (c) 2018, Intel Corporation
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* Copyright (c) 2018, Igalia S.L.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef GST_MSDK_CONTEXT_H
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#define GST_MSDK_CONTEXT_H
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#include "msdk.h"
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#ifndef _WIN32
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#include <va/va.h>
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#endif
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G_BEGIN_DECLS
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#define GST_TYPE_MSDK_CONTEXT \
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(gst_msdk_context_get_type ())
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#define GST_MSDK_CONTEXT(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MSDK_CONTEXT, \
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GstMsdkContext))
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#define GST_MSDK_CONTEXT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MSDK_CONTEXT, \
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GstMsdkContextClass))
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#define GST_IS_MSDK_CONTEXT(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MSDK_CONTEXT))
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#define GST_IS_MSDK_CONTEXT_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MSDK_CONTEXT))
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#define GST_MSDK_CONTEXT_CAST(obj) ((GstMsdkContext*)(obj))
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typedef struct _GstMsdkContext GstMsdkContext;
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typedef struct _GstMsdkContextClass GstMsdkContextClass;
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typedef struct _GstMsdkContextPrivate GstMsdkContextPrivate;
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/*
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* GstMsdkContext:
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*/
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struct _GstMsdkContext
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{
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GstObject parent_instance;
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GstMsdkContextPrivate *priv;
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};
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/*
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* GstMsdkContextClass:
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*/
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struct _GstMsdkContextClass
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{
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GstObjectClass parent_class;
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};
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GType gst_msdk_context_get_type (void);
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GstMsdkContext * gst_msdk_context_new (gboolean hardware);
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mfxSession gst_msdk_context_get_session (GstMsdkContext * context);
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gpointer gst_msdk_context_get_handle (GstMsdkContext * context);
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gint gst_msdk_context_get_fd (GstMsdkContext * context);
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/* GstMsdkContext contains mfxFrameAllocResponses,
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* if app calls MFXVideoCORE_SetFrameAllocator.
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*/
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typedef struct _GstMsdkAllocResponse GstMsdkAllocResponse;
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struct _GstMsdkAllocResponse {
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mfxFrameAllocResponse *response;
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mfxFrameAllocRequest request;
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mfxMemId *mem_ids;
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gint num_used_memory;
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};
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GstMsdkAllocResponse *
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gst_msdk_context_get_cached_alloc_responses (GstMsdkContext * context,
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mfxFrameAllocResponse * resp);
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GstMsdkAllocResponse *
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gst_msdk_context_get_cached_alloc_responses_by_request (GstMsdkContext * context,
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mfxFrameAllocRequest * req);
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void
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gst_msdk_context_add_alloc_response (GstMsdkContext * context,
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GstMsdkAllocResponse * resp);
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gboolean
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gst_msdk_context_remove_alloc_response (GstMsdkContext * context,
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mfxFrameAllocResponse * resp);
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G_END_DECLS
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#endif /* GST_MSDK_CONTEXT_H */
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