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gstreamer/subprojects/gst-plugins-bad/sys/nvcodec/plugin.c
Nirbheek Chauhan eff9455ada nvcodec: Log readable errors when initializing CUDA 
It is really difficult for people to figure out why nvcodec has
0 features. Even the debug log is cryptic. Also make sure the errors
go to the ERROR log level, which is more likely to be enabled by
default.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3776>
2023-01-25 10:08:10 +00:00

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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"
#include "gstnvav1dec.h"
#include "gstnvh264dec.h"
#include "gstnvh265dec.h"
#include "gstnvvp8dec.h"
#include "gstnvvp9dec.h"
#include "gstnvdecoder.h"
#include "gstcudamemorycopy.h"
#include "gstcudafilter.h"
#include <gst/cuda/gstcudamemory.h>
#ifdef HAVE_NVCODEC_NVMM
#include "gstcudanvmm.h"
#endif
#ifdef GST_CUDA_HAS_D3D
#include <gst/d3d11/gstd3d11.h>
#endif
#include "gstnvh264encoder.h"
#include "gstnvh265encoder.h"
GST_DEBUG_CATEGORY (gst_nvcodec_debug);
GST_DEBUG_CATEGORY (gst_nvdec_debug);
GST_DEBUG_CATEGORY (gst_nvenc_debug);
GST_DEBUG_CATEGORY (gst_nv_decoder_debug);
#ifdef HAVE_NVCODEC_NVMM
GST_DEBUG_CATEGORY (gst_cuda_nvmm_debug);
#endif
#define GST_CAT_DEFAULT gst_nvcodec_debug
static gboolean
plugin_init (GstPlugin * plugin)
{
CUresult cuda_ret;
const char *err_name = NULL, *err_desc = NULL;
gint dev_count = 0;
guint i;
gboolean nvdec_available = TRUE;
gboolean nvenc_available = TRUE;
/* hardcoded minimum supported version */
guint api_major_ver = 8;
guint api_minor_ver = 1;
const gchar *env;
gboolean use_h264_sl_dec = FALSE;
gboolean use_h265_sl_dec = FALSE;
gboolean use_vp8_sl_dec = FALSE;
gboolean use_vp9_sl_dec = FALSE;
GList *h264_enc_cdata = NULL;
GList *h265_enc_cdata = NULL;
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");
GST_DEBUG_CATEGORY_INIT (gst_nv_decoder_debug, "nvdecoder", 0, "nvdecoder");
#ifdef HAVE_NVCODEC_NVMM
GST_DEBUG_CATEGORY_INIT (gst_cuda_nvmm_debug, "cudanvmm", 0, "cudanvmm");
#endif
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 version %u.%u", api_major_ver,
api_minor_ver);
nvdec_available = FALSE;
}
if (!nvdec_available && !nvenc_available)
return TRUE;
cuda_ret = CuInit (0);
if (cuda_ret != CUDA_SUCCESS) {
CuGetErrorName (cuda_ret, &err_name);
CuGetErrorString (cuda_ret, &err_desc);
GST_ERROR ("Failed to init cuda, cuInit ret: 0x%x: %s: %s",
(int) cuda_ret, err_name, err_desc);
return TRUE;
}
cuda_ret = CuDeviceGetCount (&dev_count);
if (cuda_ret != CUDA_SUCCESS || !dev_count) {
CuGetErrorName (cuda_ret, &err_name);
CuGetErrorString (cuda_ret, &err_desc);
GST_ERROR ("No available device, cuDeviceGetCount ret: 0x%x: %s %s",
(int) cuda_ret, err_name, err_desc);
return TRUE;
}
/* check environment to determine primary h264decoder */
env = g_getenv ("GST_USE_NV_STATELESS_CODEC");
if (env) {
gchar **split;
gchar **iter;
split = g_strsplit (env, ",", 0);
for (iter = split; *iter; iter++) {
if (g_ascii_strcasecmp (*iter, "h264") == 0) {
GST_INFO ("Found %s in GST_USE_NV_STATELESS_CODEC environment", *iter);
use_h264_sl_dec = TRUE;
} else if (g_ascii_strcasecmp (*iter, "h265") == 0) {
GST_INFO ("Found %s in GST_USE_NV_STATELESS_CODEC environment", *iter);
use_h265_sl_dec = TRUE;
} else if (g_ascii_strcasecmp (*iter, "vp8") == 0) {
GST_INFO ("Found %s in GST_USE_NV_STATELESS_CODEC environment", *iter);
use_vp8_sl_dec = TRUE;
} else if (g_ascii_strcasecmp (*iter, "vp9") == 0) {
GST_INFO ("Found %s in GST_USE_NV_STATELESS_CODEC environment", *iter);
use_vp9_sl_dec = TRUE;
}
}
g_strfreev (split);
}
for (i = 0; i < dev_count; i++) {
GstCudaContext *context = gst_cuda_context_new (i);
CUcontext cuda_ctx;
if (!context) {
GST_WARNING ("Failed to create context for device %d", i);
continue;
}
cuda_ctx = gst_cuda_context_get_handle (context);
if (nvdec_available) {
gint j;
for (j = 0; j < cudaVideoCodec_NumCodecs; j++) {
GstCaps *sink_template = NULL;
GstCaps *src_template = NULL;
cudaVideoCodec codec = (cudaVideoCodec) j;
gboolean register_cuviddec = TRUE;
if (gst_nv_decoder_check_device_caps (cuda_ctx,
codec, &sink_template, &src_template)) {
const gchar *codec_name = gst_cuda_video_codec_to_string (codec);
GST_INFO ("CUDA video codec %s, sink template %" GST_PTR_FORMAT
"src template %" GST_PTR_FORMAT, codec_name,
sink_template, src_template);
switch (codec) {
case cudaVideoCodec_H264:
gst_nv_h264_dec_register (plugin,
i, GST_RANK_SECONDARY, sink_template, src_template, FALSE);
if (use_h264_sl_dec) {
GST_INFO
("Skipping registration of CUVID parser based nvh264dec element");
register_cuviddec = FALSE;
gst_nv_h264_dec_register (plugin,
i, GST_RANK_PRIMARY, sink_template, src_template, TRUE);
}
break;
case cudaVideoCodec_HEVC:
gst_nv_h265_dec_register (plugin,
i, GST_RANK_SECONDARY, sink_template, src_template, FALSE);
if (use_h265_sl_dec) {
GST_INFO
("Skipping registration of CUVID parser based nvh265dec element");
register_cuviddec = FALSE;
gst_nv_h265_dec_register (plugin,
i, GST_RANK_PRIMARY, sink_template, src_template, TRUE);
}
break;
case cudaVideoCodec_VP8:
gst_nv_vp8_dec_register (plugin,
i, GST_RANK_SECONDARY, sink_template, src_template, FALSE);
if (use_vp8_sl_dec) {
GST_INFO
("Skipping registration of CUVID parser based nvhvp8dec element");
register_cuviddec = FALSE;
gst_nv_vp8_dec_register (plugin,
i, GST_RANK_PRIMARY, sink_template, src_template, TRUE);
}
break;
case cudaVideoCodec_VP9:
gst_nv_vp9_dec_register (plugin,
i, GST_RANK_SECONDARY, sink_template, src_template, FALSE);
if (use_vp9_sl_dec) {
GST_INFO ("Skip register cuvid parser based nvhvp9dec");
register_cuviddec = FALSE;
gst_nv_vp9_dec_register (plugin,
i, GST_RANK_PRIMARY, sink_template, src_template, TRUE);
}
break;
case cudaVideoCodec_AV1:
gst_nv_av1_dec_register (plugin, i, GST_RANK_PRIMARY,
sink_template, src_template);
/* Stateless decoder only in case of AV1 */
register_cuviddec = FALSE;
break;
default:
break;
}
if (register_cuviddec) {
gst_nvdec_plugin_init (plugin,
i, codec, codec_name, sink_template, src_template);
}
gst_caps_unref (sink_template);
gst_caps_unref (src_template);
}
}
}
if (nvenc_available) {
GstNvEncoderClassData *cdata;
#ifdef GST_CUDA_HAS_D3D
if (g_win32_check_windows_version (6, 0, 0, G_WIN32_OS_ANY)) {
gint64 adapter_luid;
GstD3D11Device *d3d11_device;
g_object_get (context, "dxgi-adapter-luid", &adapter_luid, NULL);
d3d11_device = gst_d3d11_device_new_for_adapter_luid (adapter_luid,
D3D11_CREATE_DEVICE_BGRA_SUPPORT);
if (!d3d11_device) {
GST_WARNING ("Failed to d3d11 create device");
} else {
cdata = gst_nv_h264_encoder_register_d3d11 (plugin,
d3d11_device, GST_RANK_NONE);
if (cdata)
h264_enc_cdata = g_list_append (h264_enc_cdata, cdata);
cdata = gst_nv_h265_encoder_register_d3d11 (plugin,
d3d11_device, GST_RANK_NONE);
if (cdata)
h265_enc_cdata = g_list_append (h265_enc_cdata, cdata);
gst_object_unref (d3d11_device);
}
}
#endif
cdata =
gst_nv_h264_encoder_register_cuda (plugin, context, GST_RANK_NONE);
if (cdata)
h264_enc_cdata = g_list_append (h264_enc_cdata, cdata);
cdata =
gst_nv_h265_encoder_register_cuda (plugin, context, GST_RANK_NONE);
if (cdata)
h265_enc_cdata = g_list_append (h265_enc_cdata, cdata);
gst_nvenc_plugin_init (plugin, i, cuda_ctx);
}
gst_object_unref (context);
}
if (h264_enc_cdata) {
gst_nv_h264_encoder_register_auto_select (plugin, h264_enc_cdata,
GST_RANK_NONE);
}
if (h265_enc_cdata) {
gst_nv_h265_encoder_register_auto_select (plugin, h265_enc_cdata,
GST_RANK_NONE);
}
gst_cuda_memory_copy_register (plugin, GST_RANK_NONE);
gst_cuda_filter_plugin_init (plugin);
gst_cuda_memory_init_once ();
#ifdef HAVE_NVCODEC_NVMM
if (gst_cuda_nvmm_init_once ()) {
GST_INFO ("Enable NVMM support");
}
#endif
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)
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