gstreamer/sys/nvcodec/plugin.c

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/*
* Copyright (C) 2017 Ericsson AB. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstnvdec.h"
#include "gstnvenc.h"
GST_DEBUG_CATEGORY (gst_nvcodec_debug);
GST_DEBUG_CATEGORY (gst_nvdec_debug);
GST_DEBUG_CATEGORY (gst_nvenc_debug);
#define GST_CAT_DEFAULT gst_nvcodec_debug
static gboolean
plugin_init (GstPlugin * plugin)
{
CUresult cuda_ret;
gint dev_count = 0;
gint i;
gboolean nvdec_available = TRUE;
gboolean nvenc_available = TRUE;
/* hardcoded minimum supported version */
guint api_major_ver = 8;
guint api_minor_ver = 1;
GST_DEBUG_CATEGORY_INIT (gst_nvcodec_debug, "nvcodec", 0, "nvcodec");
GST_DEBUG_CATEGORY_INIT (gst_nvdec_debug, "nvdec", 0, "nvdec");
GST_DEBUG_CATEGORY_INIT (gst_nvenc_debug, "nvenc", 0, "nvenc");
if (!gst_cuda_load_library ()) {
GST_WARNING ("Failed to load cuda library");
return TRUE;
}
/* get available API version from nvenc and it will be passed to
* nvdec */
if (!gst_nvenc_load_library (&api_major_ver, &api_minor_ver)) {
GST_WARNING ("Failed to load nvenc library");
nvenc_available = FALSE;
}
if (!gst_cuvid_load_library (api_major_ver, api_minor_ver)) {
GST_WARNING ("Failed to load nvdec library");
nvdec_available = FALSE;
}
if (!nvdec_available && !nvenc_available)
return TRUE;
cuda_ret = CuInit (0);
if (cuda_ret != CUDA_SUCCESS) {
GST_WARNING ("Failed to init cuda, ret: 0x%x", (gint) cuda_ret);
return TRUE;
}
if (CuDeviceGetCount (&dev_count) != CUDA_SUCCESS || !dev_count) {
GST_WARNING ("No available device, ret: 0x%x", (gint) cuda_ret);
return TRUE;
}
for (i = 0; i < dev_count; i++) {
CUdevice cuda_device;
CUcontext cuda_ctx;
cuda_ret = CuDeviceGet (&cuda_device, i);
if (cuda_ret != CUDA_SUCCESS) {
GST_WARNING ("Failed to get device handle %d, ret: 0x%x", i,
(gint) cuda_ret);
continue;
}
cuda_ret = CuCtxCreate (&cuda_ctx, 0, cuda_device);
if (cuda_ret != CUDA_SUCCESS) {
GST_WARNING ("Failed to create cuda context, ret: 0x%x", (gint) cuda_ret);
continue;
}
CuCtxPopCurrent (NULL);
if (nvdec_available)
gst_nvdec_plugin_init (plugin, i, cuda_ctx);
if (nvenc_available)
gst_nvenc_plugin_init (plugin, i, cuda_ctx);
CuCtxDestroy (cuda_ctx);
}
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, nvcodec,
"GStreamer NVCODEC plugin", plugin_init, VERSION, "LGPL",
GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)