mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-07 07:05:52 +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
117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/*
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* Copyright (C) 2017 Ericsson AB. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstnvdec.h"
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#include "gstnvenc.h"
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GST_DEBUG_CATEGORY (gst_nvcodec_debug);
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GST_DEBUG_CATEGORY (gst_nvdec_debug);
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GST_DEBUG_CATEGORY (gst_nvenc_debug);
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#define GST_CAT_DEFAULT gst_nvcodec_debug
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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CUresult cuda_ret;
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gint dev_count = 0;
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gint i;
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gboolean nvdec_available = TRUE;
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gboolean nvenc_available = TRUE;
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GST_DEBUG_CATEGORY_INIT (gst_nvcodec_debug, "nvcodec", 0, "nvcodec");
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GST_DEBUG_CATEGORY_INIT (gst_nvdec_debug, "nvdec", 0, "nvdec");
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GST_DEBUG_CATEGORY_INIT (gst_nvenc_debug, "nvenc", 0, "nvenc");
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if (!gst_cuda_load_library ()) {
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GST_WARNING ("Failed to load cuda library");
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return TRUE;
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}
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if (!gst_cuvid_load_library ()) {
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GST_WARNING ("Failed to load nvdec library");
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nvdec_available = FALSE;
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}
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if (!gst_nvenc_load_library ()) {
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GST_WARNING ("Failed to load nvenc library");
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nvenc_available = FALSE;
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}
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if (!nvdec_available && !nvenc_available)
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return TRUE;
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cuda_ret = CuInit (0);
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if (cuda_ret != CUDA_SUCCESS) {
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GST_WARNING ("Failed to init cuda, ret: 0x%x", (gint) cuda_ret);
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return TRUE;
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}
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if (CuDeviceGetCount (&dev_count) != CUDA_SUCCESS || !dev_count) {
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GST_WARNING ("No available device, ret: 0x%x", (gint) cuda_ret);
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return TRUE;
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}
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for (i = 0; i < dev_count; i++) {
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CUdevice cuda_device;
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CUcontext cuda_ctx;
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cuda_ret = CuDeviceGet (&cuda_device, i);
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if (cuda_ret != CUDA_SUCCESS) {
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GST_WARNING ("Failed to get device handle %d, ret: 0x%x", i,
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(gint) cuda_ret);
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continue;
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}
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cuda_ret = CuCtxCreate (&cuda_ctx, 0, cuda_device);
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if (cuda_ret != CUDA_SUCCESS) {
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GST_WARNING ("Failed to create cuda context, ret: 0x%x", (gint) cuda_ret);
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continue;
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}
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CuCtxPopCurrent (NULL);
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if (nvdec_available)
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gst_nvdec_plugin_init (plugin, i, cuda_ctx);
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if (nvenc_available)
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gst_nvenc_plugin_init (plugin, i, cuda_ctx);
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CuCtxDestroy (cuda_ctx);
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}
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, nvcodec,
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"GStreamer NVCODEC plugin", plugin_init, VERSION, "LGPL",
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GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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