--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstcudanvrtc.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_cuda_nvrtc_debug);
+#define GST_CAT_DEFAULT gst_cuda_nvrtc_debug
+
+static void
+_init_debug (void)
+{
+ static volatile gsize once_init = 0;
+
+ if (g_once_init_enter (&once_init)) {
+
+ GST_DEBUG_CATEGORY_INIT (gst_cuda_nvrtc_debug, "cudanvrtc", 0,
+ "CUDA runtime compiler");
+ g_once_init_leave (&once_init, 1);
+ }
+}
+
+gchar *
+gst_cuda_nvrtc_compile (const gchar * source)
+{
+ nvrtcProgram prog;
+ nvrtcResult ret;
+ const gchar *opts[] = { "--gpu-architecture=compute_30" };
+ gsize ptx_size;
+ gchar *ptx = NULL;
+
+ g_return_val_if_fail (source != NULL, FALSE);
+
+ _init_debug ();
+
+ GST_TRACE ("CUDA kernel source \n%s", source);
+
+ ret = NvrtcCreateProgram (&prog, source, NULL, 0, NULL, NULL);
+ if (ret != NVRTC_SUCCESS) {
+ GST_ERROR ("couldn't create nvrtc program, ret %d", ret);
+ return NULL;
+ }
+
+ ret = NvrtcCompileProgram (prog, 1, opts);
+ if (ret != NVRTC_SUCCESS) {
+ gsize log_size;
+
+ GST_ERROR ("couldn't compile nvrtc program, ret %d", ret);
+ if (NvrtcGetProgramLogSize (prog, &log_size) == NVRTC_SUCCESS &&
+ log_size > 0) {
+ gchar *compile_log = g_alloca (log_size);
+ if (NvrtcGetProgramLog (prog, compile_log) == NVRTC_SUCCESS) {
+ GST_ERROR ("nvrtc compile log %s", compile_log);
+ }
+ }
+
+ goto error;
+ }
+
+ ret = NvrtcGetPTXSize (prog, &ptx_size);
+ if (ret != NVRTC_SUCCESS) {
+ GST_ERROR ("unknown ptx size, ret %d", ret);
+
+ goto error;
+ }
+
+ ptx = g_malloc0 (ptx_size);
+ ret = NvrtcGetPTX (prog, ptx);
+ if (ret != NVRTC_SUCCESS) {
+ GST_ERROR ("couldn't get ptx, ret %d", ret);
+ g_free (ptx);
+
+ goto error;
+ }
+
+ NvrtcDestroyProgram (&prog);
+
+ GST_TRACE ("compiled CUDA PTX %s\n", ptx);
+
+ return ptx;
+
+error:
+ NvrtcDestroyProgram (&prog);
+
+ return NULL;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_CUDA_NVRTC_H__
+#define __GST_CUDA_NVRTC_H__
+
+#include <gst/gst.h>
+#include "gstcudaloader.h"
+#include "gstnvrtcloader.h"
+
+G_BEGIN_DECLS
+
+G_GNUC_INTERNAL
+gchar * gst_cuda_nvrtc_compile (const gchar * source);
+
+G_END_DECLS
+
+#endif /* __GST_CUDA_NVRTC_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstnvrtcloader.h"
+#include "gstcudaloader.h"
+
+#include <gmodule.h>
+
+#ifndef G_OS_WIN32
+#define NVRTC_LIBNAME "libnvrtc.so"
+#else
+#define NVRTC_LIBNAME "nvrtc64_%d%d_0.dll"
+#endif
+
+#define LOAD_SYMBOL(name,func) G_STMT_START { \
+ if (!g_module_symbol (module, G_STRINGIFY (name), (gpointer *) &vtable->func)) { \
+ GST_ERROR ("Failed to load '%s' from %s, %s", G_STRINGIFY (name), fname, g_module_error()); \
+ goto error; \
+ } \
+} G_STMT_END;
+
+typedef struct _GstNvCodecNvrtcVtahle
+{
+ gboolean loaded;
+
+ nvrtcResult (*NvrtcCompileProgram) (nvrtcProgram prog, int numOptions,
+ const char **options);
+ nvrtcResult (*NvrtcCreateProgram) (nvrtcProgram * prog, const char *src,
+ const char *name, int numHeaders, const char **headers,
+ const char **includeNames);
+ nvrtcResult (*NvrtcDestroyProgram) (nvrtcProgram * prog);
+ nvrtcResult (*NvrtcGetPTX) (nvrtcProgram prog, char *ptx);
+ nvrtcResult (*NvrtcGetPTXSize) (nvrtcProgram prog, size_t * ptxSizeRet);
+ nvrtcResult (*NvrtcGetProgramLog) (nvrtcProgram prog, char *log);
+ nvrtcResult (*NvrtcGetProgramLogSize) (nvrtcProgram prog,
+ size_t * logSizeRet);
+} GstNvCodecNvrtcVtahle;
+
+static GstNvCodecNvrtcVtahle gst_nvrtc_vtable = { 0, };
+
+gboolean
+gst_nvrtc_load_library (void)
+{
+ GModule *module = NULL;
+ gchar *filename = NULL;
+ const gchar *filename_env;
+ const gchar *fname;
+ gint cuda_version;
+ GstNvCodecNvrtcVtahle *vtable;
+
+ if (gst_nvrtc_vtable.loaded)
+ return TRUE;
+
+ CuDriverGetVersion (&cuda_version);
+
+ fname = filename_env = g_getenv ("GST_NVCODEC_NVRTC_LIBNAME");
+ if (filename_env)
+ module = g_module_open (filename_env, G_MODULE_BIND_LAZY);
+
+ if (!module) {
+#ifndef G_OS_WIN32
+ filename = g_strdup (NVRTC_LIBNAME);
+#else
+ /* (major version * 1000) + (minor version * 10) */
+ filename = g_strdup_printf (NVRTC_LIBNAME, cuda_version / 1000,
+ (cuda_version % 1000) / 10);
+#endif
+
+ module = g_module_open (filename, G_MODULE_BIND_LAZY);
+ fname = filename;
+ }
+
+ if (module == NULL) {
+ GST_WARNING ("Could not open library %s, %s", filename, g_module_error ());
+ g_free (filename);
+ return FALSE;
+ }
+
+ vtable = &gst_nvrtc_vtable;
+
+ LOAD_SYMBOL (nvrtcCompileProgram, NvrtcCompileProgram);
+ LOAD_SYMBOL (nvrtcCreateProgram, NvrtcCreateProgram);
+ LOAD_SYMBOL (nvrtcDestroyProgram, NvrtcDestroyProgram);
+ LOAD_SYMBOL (nvrtcGetPTX, NvrtcGetPTX);
+ LOAD_SYMBOL (nvrtcGetPTXSize, NvrtcGetPTXSize);
+ LOAD_SYMBOL (nvrtcGetProgramLog, NvrtcGetProgramLog);
+ LOAD_SYMBOL (nvrtcGetProgramLogSize, NvrtcGetProgramLogSize);
+
+ vtable->loaded = TRUE;
+ g_free (filename);
+
+ return TRUE;
+
+error:
+ g_module_close (module);
+ g_free (filename);
+
+ return FALSE;
+}
+
+nvrtcResult
+NvrtcCompileProgram (nvrtcProgram prog, int numOptions, const char **options)
+{
+ g_assert (gst_nvrtc_vtable.NvrtcCompileProgram != NULL);
+
+ return gst_nvrtc_vtable.NvrtcCompileProgram (prog, numOptions, options);
+}
+
+nvrtcResult
+NvrtcCreateProgram (nvrtcProgram * prog, const char *src, const char *name,
+ int numHeaders, const char **headers, const char **includeNames)
+{
+ g_assert (gst_nvrtc_vtable.NvrtcCreateProgram != NULL);
+
+ return gst_nvrtc_vtable.NvrtcCreateProgram (prog, src, name, numHeaders,
+ headers, includeNames);
+}
+
+nvrtcResult
+NvrtcDestroyProgram (nvrtcProgram * prog)
+{
+ g_assert (gst_nvrtc_vtable.NvrtcDestroyProgram != NULL);
+
+ return gst_nvrtc_vtable.NvrtcDestroyProgram (prog);
+}
+
+nvrtcResult
+NvrtcGetPTX (nvrtcProgram prog, char *ptx)
+{
+ g_assert (gst_nvrtc_vtable.NvrtcGetPTX != NULL);
+
+ return gst_nvrtc_vtable.NvrtcGetPTX (prog, ptx);
+}
+
+nvrtcResult
+NvrtcGetPTXSize (nvrtcProgram prog, size_t * ptxSizeRet)
+{
+ g_assert (gst_nvrtc_vtable.NvrtcGetPTXSize != NULL);
+
+ return gst_nvrtc_vtable.NvrtcGetPTXSize (prog, ptxSizeRet);
+}
+
+nvrtcResult
+NvrtcGetProgramLog (nvrtcProgram prog, char *log)
+{
+ g_assert (gst_nvrtc_vtable.NvrtcGetProgramLog != NULL);
+
+ return gst_nvrtc_vtable.NvrtcGetProgramLog (prog, log);
+}
+
+nvrtcResult
+NvrtcGetProgramLogSize (nvrtcProgram prog, size_t * logSizeRet)
+{
+ g_assert (gst_nvrtc_vtable.NvrtcGetProgramLogSize != NULL);
+
+ return gst_nvrtc_vtable.NvrtcGetProgramLogSize (prog, logSizeRet);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_NVRTC_LOADER_H__
+#define __GST_NVRTC_LOADER_H__
+
+#include <gst/gst.h>
+#include <nvrtc.h>
+
+G_BEGIN_DECLS
+
+G_GNUC_INTERNAL
+gboolean gst_nvrtc_load_library (void);
+
+G_GNUC_INTERNAL
+nvrtcResult NvrtcCompileProgram (nvrtcProgram prog,
+ int numOptions,
+ const char** options);
+
+G_GNUC_INTERNAL
+nvrtcResult NvrtcCreateProgram (nvrtcProgram* prog,
+ const char* src,
+ const char* name,
+ int numHeaders,
+ const char** headers,
+ const char** includeNames);
+
+G_GNUC_INTERNAL
+nvrtcResult NvrtcDestroyProgram (nvrtcProgram* prog);
+
+G_GNUC_INTERNAL
+nvrtcResult NvrtcGetPTX (nvrtcProgram prog,
+ char* ptx);
+
+G_GNUC_INTERNAL
+nvrtcResult NvrtcGetPTXSize (nvrtcProgram prog,
+ size_t* ptxSizeRet);
+
+G_GNUC_INTERNAL
+nvrtcResult NvrtcGetProgramLog (nvrtcProgram prog,
+ char* log);
+
+G_GNUC_INTERNAL
+nvrtcResult NvrtcGetProgramLogSize (nvrtcProgram prog,
+ size_t* logSizeRet);
+
+G_END_DECLS
+#endif /* __GST_NVRTC_LOADER_H__ */
'gstcudabasetransform.c',
'gstcudadownload.c',
'gstcudaupload.c',
+ 'gstcudanvrtc.c',
+ 'gstnvrtcloader.c',
]
if get_option('nvcodec').disabled()
--- /dev/null
+/* NVRTC stub header
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GST_NVRTC_STUB_H__
+#define __GST_NVRTC_STUB_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+typedef struct _nvrtcProgram * nvrtcProgram;
+
+typedef enum {
+ NVRTC_SUCCESS = 0,
+} nvrtcResult;
+
+G_END_DECLS
+
+#endif /* __GST_NVRTC_STUB_H__ */