Adding NVIDIA nvCOMP library based plugin for lossless raw video compression/decompression. To build this plugin, user should install nvCOMP SDK first and specify the SDK path via "nvcomp-sdk-path" build option or NVCOMP_SDK_PATH env. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6912>
		
			
				
	
	
		
			61 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* GStreamer
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|  * Copyright (C) 2024 Seungha Yang <seungha@centricular.com>
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|  *
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|  * This library is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Library General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of the License, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Library General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Library General Public
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|  * License along with this library; if not, write to the
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|  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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|  * Boston, MA 02110-1301, USA.
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|  */
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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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| 
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| #include "gstnvcomp.h"
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| #include <mutex>
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| 
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| static const GEnumValue nvcomp_methods[] = {
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|   {GST_NV_COMP_LZ4, "LZ4", "lz4"},
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|   {GST_NV_COMP_SNAPPY, "SNAPPY", "snappy"},
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|   {GST_NV_COMP_GDEFLATE, "GDEFLATE", "gdeflate"},
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|   {GST_NV_COMP_DEFLATE, "DEFLATE", "deflate"},
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|   {GST_NV_COMP_ZSTD, "ZSTD", "zstd"},
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|   {GST_NV_COMP_CASCADED, "CASCADED", "cascaded"},
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|   {GST_NV_COMP_BITCOMP, "BITCOMP", "bitcomp"},
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|   {GST_NV_COMP_ANS, "ANS", "ans"},
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|   {0, nullptr, nullptr},
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| };
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| 
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| GType
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| gst_nv_comp_method_get_type (void)
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| {
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|   static GType method_type = 0;
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|   static std::once_flag once;
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| 
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|   std::call_once (once,[&] {
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|         method_type = g_enum_register_static ("GstNvCompMethod",
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|             nvcomp_methods);
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|       });
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| 
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|   return method_type;
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| }
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| 
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| const gchar *
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| gst_nv_comp_method_to_string (GstNvCompMethod method)
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| {
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|   if (method >= GST_NV_COMP_LAST)
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|     return nullptr;
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| 
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|   return nvcomp_methods[method].value_nick;
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| }
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