gstreamer/subprojects/gst-plugins-bad/sys/msdk/gstmsdkallocator_d3d.c

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/* 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 <gst/d3d11/gstd3d11.h>
#include "gstmsdkallocator.h"
#define GST_MSDK_FRAME_SURFACE gst_msdk_frame_surface_quark_get ()
static GQuark
gst_msdk_frame_surface_quark_get (void)
{
static gsize g_quark;
if (g_once_init_enter (&g_quark)) {
gsize quark = (gsize) g_quark_from_static_string ("GstMsdkFrameSurface");
g_once_init_leave (&g_quark, quark);
}
return g_quark;
}
mfxStatus
gst_msdk_frame_alloc (mfxHDL pthis, mfxFrameAllocRequest * req,
mfxFrameAllocResponse * resp)
{
return MFX_ERR_NONE;
}
mfxStatus
gst_msdk_frame_free (mfxHDL pthis, mfxFrameAllocResponse * resp)
{
return MFX_ERR_NONE;
}
mfxStatus
gst_msdk_frame_lock (mfxHDL pthis, mfxMemId mid, mfxFrameData * data)
{
return MFX_ERR_NONE;
}
mfxStatus
gst_msdk_frame_unlock (mfxHDL pthis, mfxMemId mid, mfxFrameData * ptr)
{
return MFX_ERR_NONE;
}
mfxStatus
gst_msdk_frame_get_hdl (mfxHDL pthis, mfxMemId mid, mfxHDL * hdl)
{
GstMsdkMemoryID *mem_id;
mfxHDLPair *pair;
if (!hdl || !mid)
return MFX_ERR_INVALID_HANDLE;
mem_id = (GstMsdkMemoryID *) mid;
pair = (mfxHDLPair *) hdl;
pair->first = (mfxHDL) mem_id->texture;
pair->second = (mfxHDL) GUINT_TO_POINTER (mem_id->subresource_index);
return MFX_ERR_NONE;
}
GstMsdkSurface *
gst_msdk_import_to_msdk_surface (GstBuffer * buf, GstMsdkContext * msdk_context,
GstVideoInfo * vinfo, guint map_flag)
{
GstMemory *mem = NULL;
mfxFrameInfo frame_info = { 0, };
GstMsdkSurface *msdk_surface = NULL;
mfxFrameSurface1 *mfx_surface = NULL;
GstMsdkMemoryID *msdk_mid = NULL;
GstMapInfo map_info;
mem = gst_buffer_peek_memory (buf, 0);
msdk_surface = g_slice_new0 (GstMsdkSurface);
if (!gst_is_d3d11_memory (mem) || gst_buffer_n_memory (buf) > 1) {
/* d3d11 buffer should hold single memory object */
g_slice_free (GstMsdkSurface, msdk_surface);
return NULL;
}
if (!gst_buffer_map (buf, &map_info, map_flag | GST_MAP_D3D11)) {
GST_ERROR ("Failed to map buffer");
g_slice_free (GstMsdkSurface, msdk_surface);
return NULL;
}
/* If buffer has qdata pointing to mfxFrameSurface1, directly extract it */
if ((mfx_surface = gst_mini_object_get_qdata (GST_MINI_OBJECT_CAST (mem),
GST_MSDK_FRAME_SURFACE))) {
msdk_surface->from_qdata = TRUE;
msdk_surface->surface = mfx_surface;
gst_buffer_unmap (buf, &map_info);
return msdk_surface;
}
mfx_surface = g_slice_new0 (mfxFrameSurface1);
msdk_mid = g_slice_new0 (GstMsdkMemoryID);
mfx_surface->Data.MemId = (mfxMemId) msdk_mid;
msdk_mid->texture = (ID3D11Texture2D *) (gpointer) map_info.data;
msdk_mid->subresource_index = GPOINTER_TO_UINT (map_info.user_data[0]);
gst_buffer_unmap (buf, &map_info);
gst_msdk_set_mfx_frame_info_from_video_info (&frame_info, vinfo);
mfx_surface->Info = frame_info;
/* Set mfxFrameSurface1 as qdata in buffer */
gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (mem),
GST_MSDK_FRAME_SURFACE, mfx_surface, NULL);
msdk_surface->surface = mfx_surface;
return msdk_surface;
}
void
gst_msdk_set_frame_allocator (GstMsdkContext * context)
{
mfxFrameAllocator gst_msdk_frame_allocator = {
.pthis = context,
.Alloc = gst_msdk_frame_alloc,
.Lock = gst_msdk_frame_lock,
.Unlock = gst_msdk_frame_unlock,
.GetHDL = gst_msdk_frame_get_hdl,
.Free = gst_msdk_frame_free,
};
gst_msdk_context_set_frame_allocator (context, &gst_msdk_frame_allocator);
}