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105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/* GStreamer Intel MSDK plugin
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* Copyright (c) 2021, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGDECE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _WIN32
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#include "gstmsdk_va.h"
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#define GST_MAP_VA (GST_MAP_FLAG_LAST << 1)
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static GQuark
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gst_msdk_va_memory_surface_quark_get (void)
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{
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static gsize g_quark;
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if (g_once_init_enter (&g_quark)) {
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gsize quark = (gsize) g_quark_from_static_string ("GstMsdkMemoryVASurface");
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g_once_init_leave (&g_quark, quark);
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}
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return g_quark;
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}
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static gboolean
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gst_msdk_is_va_mem (GstMemory * mem)
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{
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GstAllocator *allocator;
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allocator = mem->allocator;
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if (!allocator)
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return FALSE;
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return g_str_equal (allocator->mem_type, "VAMemory");
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}
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VASurfaceID
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gst_msdk_va_peek_buffer_surface (GstBuffer * buffer)
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{
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GstMemory *mem;
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VASurfaceID surface;
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GstMapInfo map_info;
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gpointer data;
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g_return_val_if_fail (buffer, VA_INVALID_SURFACE);
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mem = gst_buffer_peek_memory (buffer, 0);
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if (!mem)
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return VA_INVALID_SURFACE;
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if (!gst_msdk_is_va_mem (mem))
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return VA_INVALID_SURFACE;
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data = gst_mini_object_get_qdata (GST_MINI_OBJECT (mem),
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gst_msdk_va_memory_surface_quark_get ());
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if (data) {
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surface = *(VASurfaceID *) data;
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g_assert (surface != VA_INVALID_SURFACE);
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return surface;
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}
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if (!gst_buffer_map (buffer, &map_info, GST_MAP_READ | GST_MAP_VA))
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return VA_INVALID_SURFACE;
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surface = (*(VASurfaceID *) map_info.data);
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gst_buffer_unmap (buffer, &map_info);
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if (surface == VA_INVALID_ID) {
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GST_WARNING ("Fail to get va surface by GST_MAP_VA mapping");
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} else {
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data = g_new (VASurfaceID, 1);
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*(VASurfaceID *) data = surface;
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gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (mem),
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gst_msdk_va_memory_surface_quark_get (), data, g_free);
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}
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return surface;
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}
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#endif /* _WIN32 */
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