Commit 2542b2d3 authored by Hyunjun Ko's avatar Hyunjun Ko Committed by Sreerenj Balachandran

msdk: supports bufferpool

Implements 2 memory allocators:
1\ GstMsdkSystemAllocator: This will allocate system memory.
2\ GstMsdkVideoAllocator: This will allocate device memory depending
on the platform. (eg. VASurface)

Currently GstMsdkBufferPool uses video allocator currently by default
only on linux. On Windows, we should use system memory until d3d
allocator
is implemented.

https://bugzilla.gnome.org/show_bug.cgi?id=790752
parent 4d860ec8
......@@ -2,6 +2,9 @@ plugin_LTLIBRARIES = libgstmsdk.la
libgstmsdk_la_SOURCES = \
gstmsdkcontext.c \
gstmsdksystemmemory.c \
gstmsdkvideomemory.c \
gstmsdkbufferpool.c \
gstmsdkh264dec.c \
gstmsdkh264enc.c \
gstmsdkh265dec.c \
......@@ -22,6 +25,9 @@ nodist_EXTRA_libgstmsdk_la_SOURCES = not_present.cxx
noinst_HEADERS = \
msdk.h \
gstmsdkcontext.h \
gstmsdksystemmemory.h \
gstmsdkvideomemory.h \
gstmsdkbufferpool.h \
gstmsdkh264dec.h \
gstmsdkh264enc.h \
gstmsdkh265dec.h \
......
/* 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.
*/
#include "gstmsdkbufferpool.h"
#include "gstmsdksystemmemory.h"
#include "gstmsdkvideomemory.h"
GST_DEBUG_CATEGORY_STATIC (gst_debug_msdkbufferpool);
#define GST_CAT_DEFAULT gst_debug_msdkbufferpool
#define GST_MSDK_BUFFER_POOL_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GST_TYPE_MSDK_BUFFER_POOL, \
GstMsdkBufferPoolPrivate))
#define gst_msdk_buffer_pool_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstMsdkBufferPool, gst_msdk_buffer_pool,
GST_TYPE_VIDEO_BUFFER_POOL,
GST_DEBUG_CATEGORY_INIT (gst_debug_msdkbufferpool, "msdkbufferpool", 0,
"MSDK Buffer Pool"));
struct _GstMsdkBufferPoolPrivate
{
GstMsdkContext *context;
GstAllocator *allocator;
mfxFrameAllocResponse *alloc_response;
gboolean use_video_memory;
gboolean add_videometa;
};
static const gchar **
gst_msdk_buffer_pool_get_options (GstBufferPool * pool)
{
static const gchar *options[] = { GST_BUFFER_POOL_OPTION_VIDEO_META,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT,
GST_BUFFER_POOL_OPTION_MSDK_USE_VIDEO_MEMORY,
NULL
};
return options;
}
static gboolean
gst_msdk_buffer_pool_set_config (GstBufferPool * pool, GstStructure * config)
{
GstMsdkBufferPool *msdk_pool = GST_MSDK_BUFFER_POOL_CAST (pool);
GstMsdkBufferPoolPrivate *priv = msdk_pool->priv;
GstCaps *caps = NULL;
GstAllocator *allocator = NULL;
GstVideoInfo video_info;
guint size, min_buffers, max_buffers;
if (!gst_buffer_pool_config_get_params (config, &caps, &size, &min_buffers,
&max_buffers))
goto error_invalid_config;
if (!caps)
goto error_no_caps;
if (!gst_video_info_from_caps (&video_info, caps))
goto error_invalid_caps;
if (!gst_buffer_pool_config_get_allocator (config, &allocator, NULL))
goto error_invalid_allocator;
if (allocator
&& (g_strcmp0 (allocator->mem_type, GST_MSDK_SYSTEM_MEMORY_NAME) != 0
&& g_strcmp0 (allocator->mem_type,
GST_MSDK_VIDEO_MEMORY_NAME) != 0)) {
GST_INFO_OBJECT (pool,
"This is not MSDK allocator. So this will be ignored");
gst_object_unref (allocator);
allocator = NULL;
}
priv->add_videometa = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
if (priv->add_videometa && gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)) {
GstVideoAlignment alignment;
gst_msdk_set_video_alignment (&video_info, &alignment);
gst_video_info_align (&video_info, &alignment);
gst_buffer_pool_config_set_video_alignment (config, &alignment);
}
priv->use_video_memory = gst_buffer_pool_config_has_option (config,
GST_BUFFER_POOL_OPTION_MSDK_USE_VIDEO_MEMORY);
if (priv->use_video_memory && (!priv->context || !priv->alloc_response)) {
GST_ERROR_OBJECT (pool,
"No MSDK context or Allocation response for using video memory");
goto error_invalid_config;
}
/* create a new allocator if needed */
if (!allocator) {
GstAllocationParams params = { 0, 31, 0, 0, };
if (priv->use_video_memory)
allocator =
gst_msdk_video_allocator_new (priv->context, &video_info,
priv->alloc_response);
else
allocator = gst_msdk_system_allocator_new (&video_info);
if (!allocator)
goto error_no_allocator;
GST_INFO_OBJECT (pool, "created new allocator %" GST_PTR_FORMAT, allocator);
gst_buffer_pool_config_set_allocator (config, allocator, &params);
gst_object_unref (allocator);
}
if (priv->allocator)
gst_object_unref (priv->allocator);
priv->allocator = gst_object_ref (allocator);
return GST_BUFFER_POOL_CLASS
(gst_msdk_buffer_pool_parent_class)->set_config (pool, config);
error_invalid_config:
{
GST_ERROR_OBJECT (pool, "invalid config");
return FALSE;
}
error_no_caps:
{
GST_ERROR_OBJECT (pool, "no caps in config");
return FALSE;
}
error_invalid_caps:
{
GST_ERROR_OBJECT (pool, "invalid caps %" GST_PTR_FORMAT, caps);
return FALSE;
}
error_invalid_allocator:
{
GST_ERROR_OBJECT (pool, "no allocator in config");
return FALSE;
}
error_no_allocator:
{
GST_ERROR_OBJECT (pool, "no allocator defined");
return FALSE;
}
}
static GstFlowReturn
gst_msdk_buffer_pool_alloc_buffer (GstBufferPool * pool,
GstBuffer ** out_buffer_ptr, GstBufferPoolAcquireParams * params)
{
GstMsdkBufferPool *msdk_pool = GST_MSDK_BUFFER_POOL_CAST (pool);
GstMsdkBufferPoolPrivate *priv = msdk_pool->priv;
GstMemory *mem;
GstBuffer *buf;
buf = gst_buffer_new ();
if (priv->use_video_memory)
mem = gst_msdk_video_memory_new (priv->allocator);
else
mem = gst_msdk_system_memory_new (priv->allocator);
if (!mem)
goto no_memory;
gst_buffer_append_memory (buf, mem);
if (priv->add_videometa) {
GstVideoMeta *vmeta;
GstVideoInfo *info;
if (priv->use_video_memory)
info = &GST_MSDK_VIDEO_ALLOCATOR_CAST (priv->allocator)->image_info;
else
info = &GST_MSDK_SYSTEM_ALLOCATOR_CAST (priv->allocator)->image_info;
vmeta = gst_buffer_add_video_meta_full (buf, GST_VIDEO_FRAME_FLAG_NONE,
GST_VIDEO_INFO_FORMAT (info),
GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info),
GST_VIDEO_INFO_N_PLANES (info), info->offset, info->stride);
if (priv->use_video_memory) {
vmeta->map = gst_video_meta_map_msdk_memory;
vmeta->unmap = gst_video_meta_unmap_msdk_memory;
}
}
*out_buffer_ptr = buf;
return GST_FLOW_OK;
no_memory:
{
GST_ERROR_OBJECT (pool, "failed to create new MSDK memory");
return GST_FLOW_ERROR;
}
}
static void
gst_msdk_buffer_pool_finalize (GObject * object)
{
GstMsdkBufferPool *pool = GST_MSDK_BUFFER_POOL_CAST (object);
GstMsdkBufferPoolPrivate *priv = pool->priv;
if (priv->allocator)
gst_object_unref (priv->allocator);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gst_msdk_buffer_pool_init (GstMsdkBufferPool * pool)
{
pool->priv = GST_MSDK_BUFFER_POOL_GET_PRIVATE (pool);
}
static void
gst_msdk_buffer_pool_class_init (GstMsdkBufferPoolClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstBufferPoolClass *pool_class = GST_BUFFER_POOL_CLASS (klass);
g_type_class_add_private (klass, sizeof (GstMsdkBufferPoolPrivate));
object_class->finalize = gst_msdk_buffer_pool_finalize;
pool_class->get_options = gst_msdk_buffer_pool_get_options;
pool_class->set_config = gst_msdk_buffer_pool_set_config;
pool_class->alloc_buffer = gst_msdk_buffer_pool_alloc_buffer;
}
GstBufferPool *
gst_msdk_buffer_pool_new (GstMsdkContext * context,
mfxFrameAllocResponse * alloc_resp)
{
GstMsdkBufferPool *pool = g_object_new (GST_TYPE_MSDK_BUFFER_POOL, NULL);
/* Doesn't need to count reference of the context */
pool->priv->context = context;
pool->priv->alloc_response = alloc_resp;
return GST_BUFFER_POOL_CAST (pool);
}
/* 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_BUFFER_POOL_H
#define GST_MSDK_BUFFER_POOL_H
#include "msdk.h"
#include "gstmsdkcontext.h"
G_BEGIN_DECLS
#define GST_TYPE_MSDK_BUFFER_POOL \
(gst_msdk_buffer_pool_get_type ())
#define GST_MSDK_BUFFER_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MSDK_BUFFER_POOL, \
GstMsdkBufferPool))
#define GST_MSDK_BUFFER_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_MSDK_BUFFER_POOL, \
GstMsdkBufferPoolClass))
#define GST_IS_MSDK_BUFFER_POOL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MSDK_BUFFER_POOL))
#define GST_IS_MSDK_BUFFER_POOL_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_MSDK_BUFFER_POOL))
#define GST_MSDK_BUFFER_POOL_CAST(obj) ((GstMsdkBufferPool*)(obj))
typedef struct _GstMsdkBufferPool GstMsdkBufferPool;
typedef struct _GstMsdkBufferPoolClass GstMsdkBufferPoolClass;
typedef struct _GstMsdkBufferPoolPrivate GstMsdkBufferPoolPrivate;
/*
* GST_BUFFER_POOL_OPTION_MSDK_USE_VIDEO_MEMORY:
*
* An option that presents if the bufferpool will use
* MsdkSystemAllocator or MsdkVideoAllocator.
*/
#define GST_BUFFER_POOL_OPTION_MSDK_USE_VIDEO_MEMORY "GstBufferPoolOptionMsdkUseVideoMemory"
/**
* GstMsdkBufferPool:
*
* A MSDK buffer pool object.
*/
struct _GstMsdkBufferPool
{
GstVideoBufferPool parent_instance;
GstMsdkBufferPoolPrivate *priv;
};
/**
* GstMsdkBufferPoolClass:
*
* A MSDK buffer pool class.
*/
struct _GstMsdkBufferPoolClass
{
GstVideoBufferPoolClass parent_class;
};
GType gst_msdk_buffer_pool_get_type (void);
GstBufferPool * gst_msdk_buffer_pool_new (GstMsdkContext * context,
mfxFrameAllocResponse * alloc_resp);
G_END_DECLS
#endif /* GST_MSDK_BUFFER_POOL_H */
/* 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.
*/
#include <unistd.h>
#include <stdlib.h>
#include "gstmsdksystemmemory.h"
#ifdef _WIN32
#define posix_memalign(d, a, s) ((*((void**)d) = _aligned_malloc(s, a)) ? 0 : -1)
#endif
#ifndef _WIN32
#define _aligned_free free
#endif
static gboolean
ensure_data (GstMsdkSystemMemory * mem)
{
gsize size;
void *data;
GstVideoInfo *info;
GstAllocator *allocator;
GstMsdkSystemAllocator *msdk_allocator;
allocator = GST_MEMORY_CAST (mem)->allocator;
msdk_allocator = GST_MSDK_SYSTEM_ALLOCATOR_CAST (allocator);
info = &msdk_allocator->image_info;
size = GST_VIDEO_INFO_SIZE (info);
if (mem->cache)
return TRUE;
if (posix_memalign (&data, 32, size) != 0) {
GST_ERROR ("Memory allocation failed");
return FALSE;
}
mem->cache = data;
mem->cached_data[0] = mem->cache;
mem->cached_data[1] = mem->cache + GST_VIDEO_INFO_PLANE_OFFSET (info, 1);
mem->cached_data[2] = mem->cache + GST_VIDEO_INFO_PLANE_OFFSET (info, 2);
mem->destination_pitches[0] = GST_VIDEO_INFO_PLANE_STRIDE (info, 0);
mem->destination_pitches[1] = GST_VIDEO_INFO_PLANE_STRIDE (info, 1);
mem->destination_pitches[2] = GST_VIDEO_INFO_PLANE_STRIDE (info, 2);
switch (GST_VIDEO_INFO_FORMAT (info)) {
case GST_VIDEO_FORMAT_NV12:
mem->surface->Data.Y = mem->cached_data[0];
mem->surface->Data.UV = mem->cached_data[1];
mem->surface->Data.Pitch = mem->destination_pitches[0];
break;
case GST_VIDEO_FORMAT_YV12:
mem->surface->Data.Y = mem->cached_data[0];
mem->surface->Data.U = mem->cached_data[2];
mem->surface->Data.V = mem->cached_data[1];
mem->surface->Data.Pitch = mem->destination_pitches[0];
break;
case GST_VIDEO_FORMAT_I420:
mem->surface->Data.Y = mem->cached_data[0];
mem->surface->Data.U = mem->cached_data[1];
mem->surface->Data.V = mem->cached_data[2];
mem->surface->Data.Pitch = mem->destination_pitches[0];
break;
case GST_VIDEO_FORMAT_YUY2:
mem->surface->Data.Y = mem->cached_data[0];
mem->surface->Data.U = mem->surface->Data.Y + 1;
mem->surface->Data.V = mem->surface->Data.Y + 3;
mem->surface->Data.Pitch = mem->destination_pitches[0];
break;
case GST_VIDEO_FORMAT_UYVY:
mem->surface->Data.Y = mem->cached_data[0];
mem->surface->Data.U = mem->surface->Data.Y;
mem->surface->Data.V = mem->surface->Data.U + 2;
mem->surface->Data.Pitch = mem->destination_pitches[0];
break;
case GST_VIDEO_FORMAT_BGRA:
mem->surface->Data.R = mem->cached_data[0];
mem->surface->Data.G = mem->surface->Data.R + 1;
mem->surface->Data.B = mem->surface->Data.R + 2;
mem->surface->Data.Pitch = mem->destination_pitches[0];
break;
default:
g_assert_not_reached ();
break;
}
return TRUE;
}
static mfxFrameSurface1 *
gst_msdk_system_allocator_create_surface (GstAllocator * allocator)
{
mfxFrameInfo frame_info = { {0,}, 0, };
mfxFrameSurface1 *surface;
GstMsdkSystemAllocator *msdk_system_allocator =
GST_MSDK_SYSTEM_ALLOCATOR_CAST (allocator);
surface = (mfxFrameSurface1 *) g_slice_new0 (mfxFrameSurface1);
if (!surface) {
GST_ERROR ("failed to allocate surface");
return NULL;
}
gst_msdk_set_mfx_frame_info_from_video_info (&frame_info,
&msdk_system_allocator->image_info);
surface->Info = frame_info;
return surface;
}
GstMemory *
gst_msdk_system_memory_new (GstAllocator * base_allocator)
{
GstMsdkSystemAllocator *allocator;
GstVideoInfo *vip;
GstMsdkSystemMemory *mem;
g_return_val_if_fail (base_allocator, NULL);
g_return_val_if_fail (GST_IS_MSDK_SYSTEM_ALLOCATOR (base_allocator), NULL);
allocator = GST_MSDK_SYSTEM_ALLOCATOR_CAST (base_allocator);
mem = g_slice_new0 (GstMsdkSystemMemory);
if (!mem)
return NULL;
mem->surface = gst_msdk_system_allocator_create_surface (base_allocator);
vip = &allocator->image_info;
gst_memory_init (&mem->parent_instance, GST_MEMORY_FLAG_NO_SHARE,
base_allocator, NULL, GST_VIDEO_INFO_SIZE (vip), 0, 0,
GST_VIDEO_INFO_SIZE (vip));
if (!ensure_data (mem))
return FALSE;
return GST_MEMORY_CAST (mem);
}
static gpointer
gst_msdk_system_memory_map_full (GstMemory * base_mem, GstMapInfo * info,
gsize maxsize)
{
GstMsdkSystemMemory *const mem = GST_MSDK_SYSTEM_MEMORY_CAST (base_mem);
g_return_val_if_fail (mem, NULL);
if (!mem->surface) {
GST_WARNING ("The surface is not allocated");
return FALSE;
}
if ((info->flags & GST_MAP_WRITE) && mem->surface
&& mem->surface->Data.Locked) {
GST_WARNING ("The surface in memory %p is not still avaliable", mem);
return FALSE;
}
return mem->surface->Data.Y;
}
static void
gst_msdk_system_memory_unmap (GstMemory * base_mem)
{
}
/* GstMsdkSystemAllocator */
G_DEFINE_TYPE (GstMsdkSystemAllocator, gst_msdk_system_allocator,
GST_TYPE_ALLOCATOR);
static void
gst_msdk_system_allocator_free (GstAllocator * allocator, GstMemory * base_mem)
{
GstMsdkSystemMemory *const mem = GST_MSDK_SYSTEM_MEMORY_CAST (base_mem);
_aligned_free (mem->cache);
g_slice_free (mfxFrameSurface1, mem->surface);
}
static GstMemory *
gst_msdk_system_allocator_alloc (GstAllocator * allocator, gsize size,
GstAllocationParams * params)
{
return gst_msdk_system_memory_new (allocator);
}
static void
gst_msdk_system_allocator_class_init (GstMsdkSystemAllocatorClass * klass)
{
GstAllocatorClass *const allocator_class = GST_ALLOCATOR_CLASS (klass);
allocator_class->alloc = gst_msdk_system_allocator_alloc;
allocator_class->free = gst_msdk_system_allocator_free;
}
static void
gst_msdk_system_allocator_init (GstMsdkSystemAllocator * allocator)
{
GstAllocator *const base_allocator = GST_ALLOCATOR_CAST (allocator);
base_allocator->mem_type = GST_MSDK_SYSTEM_MEMORY_NAME;
base_allocator->mem_map_full = gst_msdk_system_memory_map_full;
base_allocator->mem_unmap = gst_msdk_system_memory_unmap;
GST_OBJECT_FLAG_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
}
GstAllocator *
gst_msdk_system_allocator_new (GstVideoInfo * image_info)
{
GstMsdkSystemAllocator *allocator;
g_return_val_if_fail (image_info != NULL, NULL);
allocator = g_object_new (GST_TYPE_MSDK_SYSTEM_ALLOCATOR, NULL);
if (!allocator)
return NULL;
allocator->image_info = *image_info;
return GST_ALLOCATOR_CAST (allocator);
}
/* 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_SYSTEM_MEMORY_H
#define GST_MSDK_SYSTEM_MEMORY_H
#include "msdk.h"
G_BEGIN_DECLS
typedef struct _GstMsdkSystemMemory GstMsdkSystemMemory;
typedef struct _GstMsdkSystemAllocator GstMsdkSystemAllocator;
typedef struct _GstMsdkSystemAllocatorClass GstMsdkSystemAllocatorClass;
/* ---------------------------------------------------------------------*/
/* GstMsdkSystemMemory */
/* ---------------------------------------------------------------------*/
#define GST_MSDK_SYSTEM_MEMORY_CAST(mem) \
((GstMsdkSystemMemory *) (mem))
#define GST_IS_MSDK_SYSTEM_MEMORY(mem) \
((mem) && (mem)->allocator && GST_IS_MSDK_SYSTEM_ALLOCATOR((mem)->allocator))
#define GST_MSDK_SYSTEM_MEMORY_NAME "GstMsdkSystemMemory"
/**
* GstMsdkSystemMemory:
*
* A MSDK memory object holder, including mfxFrameSurface,
* video info of the surface.
*/
struct _GstMsdkSystemMemory
{
GstMemory parent_instance;
mfxFrameSurface1 *surface;
guint8 *cache;
mfxU8 *cached_data[4];
guint destination_pitches[4];
};
GstMemory *
gst_msdk_system_memory_new (GstAllocator * base_allocator);
/* ---------------------------------------------------------------------*/
/* GstMsdkSystemAllocator */
/* ---------------------------------------------------------------------*/
#define GST_MSDK_SYSTEM_ALLOCATOR_CAST(allocator) \
((GstMsdkSystemAllocator *) (allocator))
#define GST_TYPE_MSDK_SYSTEM_ALLOCATOR \
(gst_msdk_system_allocator_get_type ())
#define GST_MSDK_SYSTEM_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_MSDK_SYSTEM_ALLOCATOR, \
GstMsdkSystemAllocator))
#define GST_IS_MSDK_SYSTEM_ALLOCATOR(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_MSDK_SYSTEM_ALLOCATOR))
/**
* GstMsdkSystemAllocator:
*
* A MSDK memory allocator object.
*/