git.sesse.net Git - casparcg/blob - modules/ffmpeg/ffmpeg.cpp

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\r
   5 *\r
   6 * CasparCG is free software: you can redistribute it and/or modify\r
   7 * it under the terms of the GNU General Public License as published by\r
   8 * the Free Software Foundation, either version 3 of the License, or\r
   9 * (at your option) any later version.\r
  10 *\r
  11 * CasparCG is distributed in the hope that it will be useful,\r
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 * GNU General Public License for more details.\r
  15 *\r
  16 * You should have received a copy of the GNU General Public License\r
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 #include "StdAfx.h"\r
  23 \r
  24 #include "consumer/ffmpeg_consumer.h"\r
  25 #include "producer/ffmpeg_producer.h"\r
  26 \r
  27 #include <common/log/log.h>\r
  28 \r
  29 #include <core/consumer/frame_consumer.h>\r
  30 #include <core/producer/frame_producer.h>\r
  31 \r
  32 #include <tbb/recursive_mutex.h>\r
  33 \r
  34 #include <boost/thread.hpp>\r
  35 \r
  36 #if defined(_MSC_VER)\r
  37 #pragma warning (disable : 4244)\r
  38 #pragma warning (disable : 4603)\r
  39 #pragma warning (disable : 4996)\r
  40 #endif\r
  41 \r
  42 extern "C" \r
  43 {\r
  44         #define __STDC_CONSTANT_MACROS\r
  45         #define __STDC_LIMIT_MACROS\r
  46         #include <libavformat/avformat.h>\r
  47         #include <libswscale/swscale.h>\r
  48         #include <libavutil/avutil.h>\r
  49         #include <libavfilter/avfilter.h>\r
  50 }\r
  51 \r
  52 namespace caspar { namespace ffmpeg {\r
  53         \r
  54 int ffmpeg_lock_callback(void **mutex, enum AVLockOp op) \r
  55 { \r
  56         if(!mutex)\r
  57                 return 0;\r
  58 \r
  59         auto my_mutex = reinterpret_cast<tbb::recursive_mutex*>(*mutex);\r
  60         \r
  61         switch(op) \r
  62         { \r
  63                 case AV_LOCK_CREATE: \r
  64                 { \r
  65                         *mutex = new tbb::recursive_mutex(); \r
  66                         break; \r
  67                 } \r
  68                 case AV_LOCK_OBTAIN: \r
  69                 { \r
  70                         if(my_mutex)\r
  71                                 my_mutex->lock(); \r
  72                         break; \r
  73                 } \r
  74                 case AV_LOCK_RELEASE: \r
  75                 { \r
  76                         if(my_mutex)\r
  77                                 my_mutex->unlock(); \r
  78                         break; \r
  79                 } \r
  80                 case AV_LOCK_DESTROY: \r
  81                 { \r
  82                         delete my_mutex;\r
  83                         *mutex = nullptr;\r
  84                         break; \r
  85                 } \r
  86         } \r
  87         return 0; \r
  88 } \r
  89 \r
  90 static void sanitize(uint8_t *line)\r
  91 {\r
  92     while(*line)\r
  93         {\r
  94         if(*line < 0x08 || (*line > 0x0D && *line < 0x20))\r
  95             *line='?';\r
  96         line++;\r
  97     }\r
  98 }\r
  99 \r
 100 void log_callback(void* ptr, int level, const char* fmt, va_list vl)\r
 101 {\r
 102     static int print_prefix=1;\r
 103     static int count;\r
 104     static char prev[1024];\r
 105     char line[8192];\r
 106     static int is_atty;\r
 107     AVClass* avc= ptr ? *(AVClass**)ptr : NULL;\r
 108     if(level > av_log_get_level())\r
 109         return;\r
 110     line[0]=0;\r
 111         \r
 112 #undef fprintf\r
 113     if(print_prefix && avc) \r
 114         {\r
 115         if (avc->parent_log_context_offset) \r
 116                 {\r
 117             AVClass** parent= *(AVClass***)(((uint8_t*)ptr) + avc->parent_log_context_offset);\r
 118             if(parent && *parent)\r
 119                 std::sprintf(line, "[%s @ %p] ", (*parent)->item_name(parent), parent);            \r
 120         }\r
 121         std::sprintf(line + strlen(line), "[%s @ %p] ", avc->item_name(ptr), ptr);\r
 122     }\r
 123 \r
 124     std::vsprintf(line + strlen(line), fmt, vl);\r
 125 \r
 126     print_prefix = strlen(line) && line[strlen(line)-1] == '\n';\r
 127         \r
 128     //if(print_prefix && !strcmp(line, prev)){\r
 129     //    count++;\r
 130     //    if(is_atty==1)\r
 131     //        fprintf(stderr, "    Last message repeated %d times\r", count);\r
 132     //    return;\r
 133     //}\r
 134     //if(count>0){\r
 135     //    fprintf(stderr, "    Last message repeated %d times\n", count);\r
 136     //    count=0;\r
 137     //}\r
 138     strcpy(prev, line);\r
 139     sanitize((uint8_t*)line);\r
 140 \r
 141         int len = strlen(line);\r
 142         if(len > 0)\r
 143                 line[len-1] = 0;\r
 144         \r
 145         if(level == AV_LOG_DEBUG)\r
 146                 CASPAR_LOG(debug) << L"[ffmpeg] " << line;\r
 147         else if(level == AV_LOG_INFO)\r
 148                 CASPAR_LOG(info) << L"[ffmpeg] " << line;\r
 149         else if(level == AV_LOG_WARNING)\r
 150                 CASPAR_LOG(warning) << L"[ffmpeg] " << line;\r
 151         else if(level == AV_LOG_ERROR)\r
 152                 CASPAR_LOG(error) << L"[ffmpeg] " << line;\r
 153         else if(level == AV_LOG_FATAL)\r
 154                 CASPAR_LOG(fatal) << L"[ffmpeg] " << line;\r
 155         else\r
 156                 CASPAR_LOG(trace) << L"[ffmpeg] " << line;\r
 157 \r
 158     //colored_fputs(av_clip(level>>3, 0, 6), line);\r
 159 }\r
 160 \r
 161 boost::thread_specific_ptr<bool>& get_disable_logging_for_thread()\r
 162 {\r
 163         static boost::thread_specific_ptr<bool> disable_logging_for_thread;\r
 164 \r
 165         return disable_logging_for_thread;\r
 166 }\r
 167 \r
 168 void disable_logging_for_thread()\r
 169 {\r
 170         if (get_disable_logging_for_thread().get() == nullptr)\r
 171                 get_disable_logging_for_thread().reset(new bool); // bool value does not matter\r
 172 }\r
 173 \r
 174 bool is_logging_already_disabled_for_thread()\r
 175 {\r
 176         return get_disable_logging_for_thread().get() != nullptr;\r
 177 }\r
 178 \r
 179 std::shared_ptr<void> temporary_disable_logging_for_thread(bool disable)\r
 180 {\r
 181         if (!disable || is_logging_already_disabled_for_thread())\r
 182                 return std::shared_ptr<void>();\r
 183 \r
 184         disable_logging_for_thread();\r
 185 \r
 186         return std::shared_ptr<void>(nullptr, [] (void*)\r
 187         {\r
 188                 get_disable_logging_for_thread().release(); // Only works correctly if destructed in same thread as original caller.\r
 189         });\r
 190 }\r
 191 \r
 192 void log_for_thread(void* ptr, int level, const char* fmt, va_list vl)\r
 193 {\r
 194         //if (get_disable_logging_for_thread().get() == nullptr) // It does not matter what the value of the bool is\r
 195                 log_callback(ptr, level, fmt, vl);\r
 196 }\r
 197 \r
 198 //static int query_yadif_formats(AVFilterContext *ctx)\r
 199 //{\r
 200 //    static const int pix_fmts[] = {\r
 201 //        PIX_FMT_YUV444P,\r
 202 //        PIX_FMT_YUV422P,\r
 203 //        PIX_FMT_YUV420P,\r
 204 //        PIX_FMT_YUV410P,\r
 205 //        PIX_FMT_YUV411P,\r
 206 //        PIX_FMT_GRAY8,\r
 207 //        PIX_FMT_YUVJ444P,\r
 208 //        PIX_FMT_YUVJ422P,\r
 209 //        PIX_FMT_YUVJ420P,\r
 210 //        AV_NE( PIX_FMT_GRAY16BE, PIX_FMT_GRAY16LE ),\r
 211 //        PIX_FMT_YUV440P,\r
 212 //        PIX_FMT_YUVJ440P,\r
 213 //        AV_NE( PIX_FMT_YUV444P16BE, PIX_FMT_YUV444P16LE ),\r
 214 //        AV_NE( PIX_FMT_YUV422P16BE, PIX_FMT_YUV422P16LE ),\r
 215 //        AV_NE( PIX_FMT_YUV420P16BE, PIX_FMT_YUV420P16LE ),\r
 216 //        PIX_FMT_YUVA420P,\r
 217 //        PIX_FMT_NONE\r
 218 //    };\r
 219 //    avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));\r
 220 //\r
 221 //    return 0;\r
 222 //}\r
 223 //\r
 224 //#pragma warning (push)\r
 225 //#pragma warning (disable : 4706)\r
 226 //void fix_yadif_filter_format_query()\r
 227 //{\r
 228 //      AVFilter** filter = nullptr;\r
 229 //    while((filter = av_filter_next(filter)) && *filter)\r
 230 //      {\r
 231 //              if(strstr((*filter)->name, "yadif") != 0)\r
 232 //                      (*filter)->query_formats = query_yadif_formats;\r
 233 //      }\r
 234 //}\r
 235 //#pragma warning (pop)\r
 236 \r
 237 void init()\r
 238 {\r
 239         av_lockmgr_register(ffmpeg_lock_callback);\r
 240         av_log_set_callback(log_for_thread);\r
 241 \r
 242     avfilter_register_all();\r
 243         //fix_yadif_filter_format_query();\r
 244         av_register_all();\r
 245     avformat_network_init();\r
 246         avcodec_init();\r
 247     avcodec_register_all();\r
 248         \r
 249         core::register_consumer_factory([](const std::vector<std::wstring>& params){return create_consumer(params);});\r
 250         core::register_producer_factory(create_producer);\r
 251         core::register_thumbnail_producer_factory(create_thumbnail_producer);\r
 252 }\r
 253 \r
 254 void uninit()\r
 255 {\r
 256         avfilter_uninit();\r
 257     avformat_network_deinit();\r
 258         av_lockmgr_register(nullptr);\r
 259 }\r
 260 \r
 261 std::wstring make_version(unsigned int ver)\r
 262 {\r
 263         std::wstringstream str;\r
 264         str << ((ver >> 16) & 0xFF) << L"." << ((ver >> 8) & 0xFF) << L"." << ((ver >> 0) & 0xFF);\r
 265         return str.str();\r
 266 }\r
 267 \r
 268 std::wstring get_avcodec_version()\r
 269 {\r
 270         return make_version(avcodec_version());\r
 271 }\r
 272 \r
 273 std::wstring get_avformat_version()\r
 274 {\r
 275         return make_version(avformat_version());\r
 276 }\r
 277 \r
 278 std::wstring get_avutil_version()\r
 279 {\r
 280         return make_version(avutil_version());\r
 281 }\r
 282 \r
 283 std::wstring get_avfilter_version()\r
 284 {\r
 285         return make_version(avfilter_version());\r
 286 }\r
 287 \r
 288 std::wstring get_swscale_version()\r
 289 {\r
 290         return make_version(swscale_version());\r
 291 }\r
 292 \r
 293 }}