mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-19 08:11:16 +00:00
49bccf0433
Create CUDA context per device, instead of per codec and encoder/decoder. Allocating CUDA context is heavy operation so we should reuse it as much as possible. Fixes: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/issues/1130
116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/*
|
|
* 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;
|
|
|
|
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;
|
|
}
|
|
|
|
if (!gst_cuvid_load_library ()) {
|
|
GST_WARNING ("Failed to load nvdec library");
|
|
nvdec_available = FALSE;
|
|
}
|
|
|
|
if (!gst_nvenc_load_library ()) {
|
|
GST_WARNING ("Failed to load nvenc library");
|
|
nvenc_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)
|