b465694957
Adding hip stream abstraction layer Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9281>
141 lines
3.2 KiB
C++
141 lines
3.2 KiB
C++
/* GStreamer
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* Copyright (C) 2025 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gsthip-config.h"
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#include "gsthip.h"
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#include <mutex>
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#ifndef GST_DISABLE_GST_DEBUG
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#define GST_CAT_DEFAULT ensure_debug_category()
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static GstDebugCategory *
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ensure_debug_category (void)
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{
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static GstDebugCategory *cat = nullptr;
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static std::once_flag once;
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std::call_once (once,[&] {
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cat = _gst_debug_category_new ("hipstream", 0, "hipstream");
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});
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return cat;
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}
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#endif
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/* *INDENT-OFF* */
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struct _GstHipStream : public GstMiniObject
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{
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~_GstHipStream ()
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{
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if (handle) {
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auto hip_ret = HipSetDevice (vendor, device_id);
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if (gst_hip_result (hip_ret, vendor))
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HipStreamDestroy (vendor, handle);
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}
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}
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hipStream_t handle = nullptr;
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GstHipVendor vendor;
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guint device_id;
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};
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/* *INDENT-ON* */
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static void
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gst_hip_stream_free (GstHipStream * stream)
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{
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delete stream;
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}
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GST_DEFINE_MINI_OBJECT_TYPE (GstHipStream, gst_hip_stream);
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GstHipStream *
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gst_hip_stream_new (GstHipVendor vendor, guint device_id)
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{
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g_return_val_if_fail (vendor != GST_HIP_VENDOR_UNKNOWN, nullptr);
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auto hip_ret = HipSetDevice (vendor, device_id);
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if (!gst_hip_result (hip_ret, vendor)) {
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GST_ERROR ("Couldn't set device");
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return nullptr;
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}
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hipStream_t handle;
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hip_ret = HipStreamCreate (vendor, &handle);
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if (!gst_hip_result (hip_ret, vendor)) {
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GST_ERROR ("Couldn't create stream");
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return nullptr;
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}
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auto stream = new GstHipStream ();
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stream->handle = handle;
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stream->vendor = vendor;
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stream->device_id = device_id;
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gst_mini_object_init (stream, 0, gst_hip_stream_get_type (),
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nullptr, nullptr, (GstMiniObjectFreeFunction) gst_hip_stream_free);
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return stream;
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}
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GstHipVendor
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gst_hip_stream_get_vendor (GstHipStream * stream)
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{
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g_return_val_if_fail (stream, GST_HIP_VENDOR_UNKNOWN);
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return stream->vendor;
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}
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guint
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gst_hip_stream_get_device_id (GstHipStream * stream)
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{
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g_return_val_if_fail (stream, G_MAXUINT);
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return stream->vendor;
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}
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hipStream_t
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gst_hip_stream_get_handle (GstHipStream * stream)
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{
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if (!stream)
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return nullptr;
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return stream->handle;
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}
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GstHipStream *
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gst_hip_stream_ref (GstHipStream * stream)
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{
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return (GstHipStream *) gst_mini_object_ref (stream);
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}
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void
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gst_hip_stream_unref (GstHipStream * stream)
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{
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return gst_mini_object_unref (stream);
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}
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void
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gst_clear_hip_stream (GstHipStream ** stream)
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{
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gst_clear_mini_object (stream);
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}
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