gstreamer/sys/msdk/gstmsdkvideomemory.h
Haihao Xiang ce4f9ae531 msdk: fix for mfx frame alloc response
Both MSDK and this plugin use mfxFrameAllocResponse for video and DMABuf
memory, it is possible that some GST buffers are still in use when calling
gst_msdk_frame_free, so add a reference count in the wrapper of
mfxFrameAllocResponse (GstMsdkAllocResponse) to make sure the underlying
mfx resources are still available if the corresponding buffer pool is in
use.

In addtion, currently all allocators for input or output share the same
mfxFrameAllocResponse pointer in an element, so it is possible that
the content of mfxFrameAllocResponse is updated for a new caps then all
GST buffers allocated from an old allocator will use this new content of
mfxFrameAllocResponse, which will result in unexpected behavior. In this
fix, we save the the content of mfxFrameAllocResponse in the corresponding
tructure to avoid such issue

Sample pipeline:

gst-launch-1.0 filesrc location=vp9_multi_resolutions.ivf ! ivfparse ! msdkvp9dec !
msdkvpp ! video/x-raw\(memory:DMABuf\),format=NV12 ! glimagesink
2019-09-23 09:58:28 +08:00

197 lines
6.3 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_VIDEO_MEMORY_H
#define GST_MSDK_VIDEO_MEMORY_H
#include "msdk.h"
#include "gstmsdkcontext.h"
#include "gstmsdkallocator.h"
#include <gst/allocators/allocators.h>
G_BEGIN_DECLS
typedef struct _GstMsdkVideoMemory GstMsdkVideoMemory;
typedef struct _GstMsdkVideoAllocator GstMsdkVideoAllocator;
typedef struct _GstMsdkVideoAllocatorClass GstMsdkVideoAllocatorClass;
typedef struct _GstMsdkDmaBufAllocator GstMsdkDmaBufAllocator;
typedef struct _GstMsdkDmaBufAllocatorClass GstMsdkDmaBufAllocatorClass;
/* ---------------------------------------------------------------------*/
/* GstMsdkVideoMemory */
/* ---------------------------------------------------------------------*/
#define GST_MSDK_VIDEO_MEMORY_CAST(mem) \
((GstMsdkVideoMemory *) (mem))
#define GST_IS_MSDK_VIDEO_MEMORY(mem) \
((mem) && (mem)->allocator && GST_IS_MSDK_VIDEO_ALLOCATOR((mem)->allocator))
#define GST_MSDK_VIDEO_MEMORY_NAME "GstMsdkVideoMemory"
/*
* GstMsdkVideoMemory:
*
* A MSDK memory object holder, including mfxFrameSurface,
* video info of the surface.
*/
struct _GstMsdkVideoMemory
{
GstMemory parent_instance;
mfxFrameSurface1 *surface;
guint mapped;
};
GstMemory *
gst_msdk_video_memory_new (GstAllocator * allocator);
gboolean
gst_msdk_video_memory_get_surface_available (GstMemory * mem);
void
gst_msdk_video_memory_release_surface (GstMemory * mem);
gboolean
gst_video_meta_map_msdk_memory (GstVideoMeta * meta, guint plane,
GstMapInfo * info, gpointer * data, gint * stride, GstMapFlags flags);
gboolean
gst_video_meta_unmap_msdk_memory (GstVideoMeta * meta, guint plane,
GstMapInfo * info);
/* ---------------------------------------------------------------------*/
/* GstMsdkVideoAllocator */
/* ---------------------------------------------------------------------*/
#define GST_MSDK_VIDEO_ALLOCATOR_CAST(allocator) \
((GstMsdkVideoAllocator *) (allocator))
#define GST_TYPE_MSDK_VIDEO_ALLOCATOR \
(gst_msdk_video_allocator_get_type ())
#define GST_MSDK_VIDEO_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MSDK_VIDEO_ALLOCATOR, \
GstMsdkVideoAllocator))
#define GST_IS_MSDK_VIDEO_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MSDK_VIDEO_ALLOCATOR))
/*
* GstMsdkVideoAllocator:
*
* A MSDK video memory allocator object.
*/
struct _GstMsdkVideoAllocator
{
GstAllocator parent_instance;
GstMsdkContext *context;
GstVideoInfo image_info;
mfxFrameAllocResponse mfx_response;
mfxFrameAllocResponse *alloc_response;
};
/*
* GstMsdkVideoAllocatorClass:
*
* A MSDK video memory allocator class.
*/
struct _GstMsdkVideoAllocatorClass
{
GstAllocatorClass parent_class;
};
GType gst_msdk_video_allocator_get_type (void);
GstAllocator * gst_msdk_video_allocator_new (GstMsdkContext * context,
GstVideoInfo *image_info, mfxFrameAllocResponse * alloc_resp);
/* ---------------------------------------------------------------------*/
/* GstMsdkDmaBufMemory */
/* ---------------------------------------------------------------------*/
#define GST_MSDK_DMABUF_MEMORY_NAME "GstMsdkDmaBufMemory"
GstMemory *
gst_msdk_dmabuf_memory_new (GstAllocator * allocator);
GstMemory *
gst_msdk_dmabuf_memory_new_with_surface (GstAllocator * base_allocator, mfxFrameSurface1 * surface);
/* ---------------------------------------------------------------------*/
/* GstMsdkDmaBufAllocator */
/* ---------------------------------------------------------------------*/
#define GST_MSDK_DMABUF_ALLOCATOR_CAST(allocator) \
((GstMsdkDmaBufAllocator *) (allocator))
#define GST_TYPE_MSDK_DMABUF_ALLOCATOR \
(gst_msdk_dmabuf_allocator_get_type ())
#define GST_MSDK_DMABUF_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MSDK_DMABUF_ALLOCATOR, \
GstMsdkDmaBufAllocator))
#define GST_IS_MSDK_DMABUF_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MSDK_DMABUF_ALLOCATOR))
/*
* GstMsdkDmaBufAllocator:
*
* A MSDK DMABuf memory allocator object.
*/
struct _GstMsdkDmaBufAllocator
{
GstDmaBufAllocator parent_instance;
GstMsdkContext *context;
GstVideoInfo image_info;
mfxFrameAllocResponse mfx_response;
mfxFrameAllocResponse *alloc_response;
};
/*
* GstMsdkDmaBufAllocatorClass:
*
* A MSDK DMABuf memory allocator class.
*/
struct _GstMsdkDmaBufAllocatorClass
{
GstDmaBufAllocatorClass parent_class;
};
GType gst_msdk_dmabuf_allocator_get_type (void);
GstAllocator * gst_msdk_dmabuf_allocator_new (GstMsdkContext * context,
GstVideoInfo *image_info, mfxFrameAllocResponse * alloc_resp);
G_END_DECLS
#endif /* GST_MSDK_VIDEO_MEMORY_H */