gstreamer/sys/msdk/gstmsdkcontextutil.h
Nirbheek Chauhan 6834a12112 msdk: Reorganize context preparation code
Split it out into a separate function with early exits to make the
flow clearer, and document what the function is doing clearly.
No functional changes.
2020-01-21 00:38:41 +00:00

57 lines
2.2 KiB
C

/* GStreamer Intel MSDK plugin
* Copyright (c) 2018, Intel Corporation
* Copyright (c) 2018, Igalia S.L.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GST_MSDK_CONTEXT_UTIL_H
#define GST_MSDK_CONTEXT_UTIL_H
#include "msdk.h"
#include "gstmsdkcontext.h"
#ifndef _WIN32
#include <va/va.h>
#endif
#define GST_MSDK_CONTEXT_TYPE_NAME "gst.msdk.Context"
G_BEGIN_DECLS
gboolean
gst_msdk_context_find (GstElement * element, GstMsdkContext ** context_ptr);
gboolean
gst_msdk_context_get_context (GstContext * context, GstMsdkContext ** msdk_context);
gboolean
gst_msdk_context_ensure_context (GstElement * element, gboolean hardware, GstMsdkContextJobType job);
G_END_DECLS
#endif /* GST_MSDK_CONTEXT_UTIL_H */