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-rw-r--r--video/out/opengl/gl_hwdec.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/video/out/opengl/gl_hwdec.c b/video/out/opengl/gl_hwdec.c
new file mode 100644
index 0000000000..e5af2b70f4
--- /dev/null
+++ b/video/out/opengl/gl_hwdec.c
@@ -0,0 +1,101 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You can alternatively redistribute this file 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.
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+#include "config.h"
+
+#include "common/common.h"
+#include "common/msg.h"
+#include "gl_hwdec.h"
+
+extern const struct gl_hwdec_driver gl_hwdec_vaglx;
+extern const struct gl_hwdec_driver gl_hwdec_vda;
+extern const struct gl_hwdec_driver gl_hwdec_videotoolbox;
+extern const struct gl_hwdec_driver gl_hwdec_vdpau;
+extern const struct gl_hwdec_driver gl_hwdec_dxva2;
+
+static const struct gl_hwdec_driver *const mpgl_hwdec_drivers[] = {
+#if HAVE_VAAPI_GLX
+ &gl_hwdec_vaglx,
+#endif
+#if HAVE_VDPAU_GL_X11
+ &gl_hwdec_vdpau,
+#endif
+#if HAVE_VIDEOTOOLBOX_VDA_GL
+ &gl_hwdec_videotoolbox,
+#endif
+#if HAVE_DXVA2_HWACCEL
+ &gl_hwdec_dxva2,
+#endif
+ NULL
+};
+
+static struct gl_hwdec *load_hwdec_driver(struct mp_log *log, GL *gl,
+ const struct gl_hwdec_driver *drv,
+ bool is_auto)
+{
+ struct gl_hwdec *hwdec = talloc(NULL, struct gl_hwdec);
+ *hwdec = (struct gl_hwdec) {
+ .driver = drv,
+ .log = mp_log_new(hwdec, log, drv->api_name),
+ .gl = gl,
+ .gl_texture_target = GL_TEXTURE_2D,
+ .reject_emulated = is_auto,
+ };
+ mp_verbose(log, "Loading hwdec driver '%s'\n", drv->api_name);
+ if (hwdec->driver->create(hwdec) < 0) {
+ talloc_free(hwdec);
+ mp_verbose(log, "Loading failed.\n");
+ return NULL;
+ }
+ return hwdec;
+}
+
+struct gl_hwdec *gl_hwdec_load_api(struct mp_log *log, GL *gl,
+ const char *api_name)
+{
+ bool is_auto = api_name && strcmp(api_name, "auto") == 0;
+ for (int n = 0; mpgl_hwdec_drivers[n]; n++) {
+ const struct gl_hwdec_driver *drv = mpgl_hwdec_drivers[n];
+ if (is_auto || (api_name && strcmp(drv->api_name, api_name) == 0)) {
+ struct gl_hwdec *r = load_hwdec_driver(log, gl, drv, is_auto);
+ if (r)
+ return r;
+ }
+ }
+ return NULL;
+}
+
+// Like gl_hwdec_load_api(), but use HWDEC_... identifiers.
+struct gl_hwdec *gl_hwdec_load_api_id(struct mp_log *log, GL *gl, int id)
+{
+ return gl_hwdec_load_api(log, gl, m_opt_choice_str(mp_hwdec_names, id));
+}
+
+void gl_hwdec_uninit(struct gl_hwdec *hwdec)
+{
+ if (hwdec)
+ hwdec->driver->destroy(hwdec);
+ talloc_free(hwdec);
+}