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/* 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>
GST_DEBUG_CATEGORY_EXTERN (gst_nvcodec_debug);
#define GST_CAT_DEFAULT gst_nvcodec_debug
#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);
fname = filename;
module = g_module_open (filename, G_MODULE_BIND_LAZY);
#else
/* XXX: On Windows, minor version of nvrtc library might not be exactly
* same as CUDA library */
{
gint cuda_major_version = cuda_version / 1000;
gint cuda_minor_version = (cuda_version % 1000) / 10;
gint minor_version;
for (minor_version = cuda_minor_version; minor_version >= 0;
minor_version--) {
g_free (filename);
filename = g_strdup_printf (NVRTC_LIBNAME, cuda_major_version,
minor_version);
fname = filename;
module = g_module_open (filename, G_MODULE_BIND_LAZY);
if (module) {
GST_INFO ("%s is available", filename);
break;
}
GST_DEBUG ("Couldn't open library %s", filename);
}
}
#endif
}
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);
}
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