/* * 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 "gstnvh264dec.h" #include "gstnvh265dec.h" #include "gstnvvp8dec.h" #include "gstnvvp9dec.h" #include "gstnvdecoder.h" #include "gstcudadownload.h" #include "gstcudaupload.h" #include "gstcudafilter.h" #include "gstcudamemory.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); #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; 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; 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"); 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; } /* 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++) { 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) { 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; 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) gst_nvenc_plugin_init (plugin, i, cuda_ctx); CuCtxDestroy (cuda_ctx); } gst_element_register (plugin, "cudadownload", GST_RANK_NONE, GST_TYPE_CUDA_DOWNLOAD); gst_element_register (plugin, "cudaupload", GST_RANK_NONE, GST_TYPE_CUDA_UPLOAD); gst_cuda_filter_plugin_init (plugin); gst_cuda_memory_init_once (); 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)