mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
/* GStreamer Intel MSDK plugin
|
|
* Copyright (c) 2021, 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 NEGLIGDECE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _WIN32
|
|
#include "gstmsdk_va.h"
|
|
|
|
#define GST_MAP_VA (GST_MAP_FLAG_LAST << 1)
|
|
|
|
static GQuark
|
|
gst_msdk_va_memory_surface_quark_get (void)
|
|
{
|
|
static gsize g_quark;
|
|
|
|
if (g_once_init_enter (&g_quark)) {
|
|
gsize quark = (gsize) g_quark_from_static_string ("GstMsdkMemoryVASurface");
|
|
g_once_init_leave (&g_quark, quark);
|
|
}
|
|
return g_quark;
|
|
}
|
|
|
|
static gboolean
|
|
gst_msdk_is_va_mem (GstMemory * mem)
|
|
{
|
|
GstAllocator *allocator;
|
|
|
|
allocator = mem->allocator;
|
|
if (!allocator)
|
|
return FALSE;
|
|
|
|
return g_str_equal (allocator->mem_type, "VAMemory");
|
|
}
|
|
|
|
VASurfaceID
|
|
gst_msdk_va_peek_buffer_surface (GstBuffer * buffer)
|
|
{
|
|
GstMemory *mem;
|
|
VASurfaceID surface;
|
|
GstMapInfo map_info;
|
|
gpointer data;
|
|
|
|
g_return_val_if_fail (buffer, VA_INVALID_SURFACE);
|
|
|
|
mem = gst_buffer_peek_memory (buffer, 0);
|
|
if (!mem)
|
|
return VA_INVALID_SURFACE;
|
|
|
|
if (!gst_msdk_is_va_mem (mem))
|
|
return VA_INVALID_SURFACE;
|
|
|
|
data = gst_mini_object_get_qdata (GST_MINI_OBJECT (mem),
|
|
gst_msdk_va_memory_surface_quark_get ());
|
|
if (data) {
|
|
surface = *(VASurfaceID *) data;
|
|
g_assert (surface != VA_INVALID_SURFACE);
|
|
return surface;
|
|
}
|
|
|
|
if (!gst_buffer_map (buffer, &map_info, GST_MAP_READ | GST_MAP_VA))
|
|
return VA_INVALID_SURFACE;
|
|
|
|
surface = (*(VASurfaceID *) map_info.data);
|
|
gst_buffer_unmap (buffer, &map_info);
|
|
|
|
if (surface == VA_INVALID_ID) {
|
|
GST_WARNING ("Fail to get va surface by GST_MAP_VA mapping");
|
|
} else {
|
|
data = g_new (VASurfaceID, 1);
|
|
*(VASurfaceID *) data = surface;
|
|
gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (mem),
|
|
gst_msdk_va_memory_surface_quark_get (), data, g_free);
|
|
}
|
|
|
|
return surface;
|
|
}
|
|
|
|
#endif /* _WIN32 */
|