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/* GStreamer Intel MSDK plugin
* Copyright (c) 2016, Intel Corporation
* 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 NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __GST_MSDKDEC_H__
#define __GST_MSDKDEC_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include "msdk.h"
#include "gstmsdkcontext.h"
#include "msdk-enums.h"
#include "gstmsdkdecproputil.h"
G_BEGIN_DECLS
#define GST_TYPE_MSDKDEC \
(gst_msdkdec_get_type())
#define GST_MSDKDEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MSDKDEC,GstMsdkDec))
#define GST_MSDKDEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MSDKDEC,GstMsdkDecClass))
#define GST_MSDKDEC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_MSDKDEC,GstMsdkDecClass))
#define GST_IS_MSDKDEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MSDKDEC))
#define GST_IS_MSDKDEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MSDKDEC))
typedef struct _GstMsdkDec GstMsdkDec;
typedef struct _GstMsdkDecClass GstMsdkDecClass;
typedef struct _MsdkDecTask MsdkDecTask;
struct _GstMsdkDec
{
GstVideoDecoder element;
/* input description */
GstVideoCodecState *input_state;
/* aligned msdk pool info */
GstBufferPool *pool;
/* downstream pool info based on allocation query */
GstVideoInfo non_msdk_pool_info;
mfxFrameAllocResponse alloc_resp;
gboolean use_video_memory;
gboolean use_dmabuf;
gboolean initialized;
/* for packetization */
GstAdapter *adapter;
/* cap negotiation needed, allocation may or may not be required*/
gboolean do_renego;
/* re-allocation is mandatory if enabled */
gboolean do_realloc;
/* force reset on resolution change */
gboolean force_reset_on_res_change;
/* minimum number of buffers to be allocated, this should
* include downstream requirement, msdk suggestion and extra
* surface allocation for smooth display in render pipeline */
guint min_prealloc_buffers;
/* MFX context */
GstMsdkContext *context;
GstMsdkContext *old_context;
mfxVideoParam param;
GArray *tasks;
guint next_task;
GList *locked_msdk_surfaces;
/* element properties */
gboolean hardware;
guint async_depth;
};
struct _GstMsdkDecClass
{
GstVideoDecoderClass parent_class;
gboolean (*configure) (GstMsdkDec * decoder);
/* adjust mfx parameters per codec after decode header */
gboolean (*post_configure) (GstMsdkDec * decoder);
/* reset mfx parameters per codec */
gboolean (*preinit_decoder) (GstMsdkDec * decoder);
/* adjust mfx parameters per codec */
gboolean (*postinit_decoder) (GstMsdkDec * decoder);
};
GType gst_msdkdec_get_type (void);
G_END_DECLS
#endif /* __GST_MSDKDEC_H__ */
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