1 files changed, 47 insertions, 0 deletions
diff --git a/video/cuda.c b/video/cuda.c
new file mode 100644
index 0000000000..2f3f51e061
--- /dev/null
+++ b/video/cuda.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "hwdec.h"
+#include "options/m_config.h"
+
+#include <libavutil/hwcontext.h>
+
+static struct AVBufferRef *cuda_create_standalone(struct mpv_global *global,
+        struct mp_log *log, struct hwcontext_create_dev_params *params)
+{
+    int decode_dev_idx;
+    mp_read_option_raw(global, "cuda-decode-device", &m_option_type_choice,
+                       &decode_dev_idx);
+
+    char *decode_dev = NULL;
+    if (decode_dev_idx != -1) {
+        decode_dev = talloc_asprintf(NULL, "%d", decode_dev_idx);
+    }
+
+    AVBufferRef* ref = NULL;
+    av_hwdevice_ctx_create(&ref, AV_HWDEVICE_TYPE_CUDA, decode_dev, NULL, 0);
+
+    ta_free(decode_dev);
+    return ref;
+}
+
+const struct hwcontext_fns hwcontext_fns_cuda = {
+    .av_hwdevice_type = AV_HWDEVICE_TYPE_CUDA,
+    .create_dev = cuda_create_standalone,
+};