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

   1 /*\r
   2 * Copyright 2013 Sveriges Television AB http://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 #include <common/exception/win32_exception.h>\r
  29 \r
  30 #include <core/parameters/parameters.h>\r
  31 #include <core/consumer/frame_consumer.h>\r
  32 #include <core/producer/frame_producer.h>\r
  33 \r
  34 #include <tbb/recursive_mutex.h>\r
  35 \r
  36 #include <boost/thread.hpp>\r
  37 \r
  38 #if defined(_MSC_VER)\r
  39 #pragma warning (disable : 4244)\r
  40 #pragma warning (disable : 4603)\r
  41 #pragma warning (disable : 4996)\r
  42 #endif\r
  43 \r
  44 extern "C" \r
  45 {\r
  46         #define __STDC_CONSTANT_MACROS\r
  47         #define __STDC_LIMIT_MACROS\r
  48         #include <libavformat/avformat.h>\r
  49         #include <libswscale/swscale.h>\r
  50         #include <libavutil/avutil.h>\r
  51         #include <libavfilter/avfilter.h>\r
  52         #include <libavdevice/avdevice.h>\r
  53 }\r
  54 \r
  55 namespace caspar { namespace ffmpeg {\r
  56         \r
  57 int ffmpeg_lock_callback(void **mutex, enum AVLockOp op) \r
  58 { \r
  59         win32_exception::ensure_handler_installed_for_thread("ffmpeg-thread");\r
  60         if(!mutex)\r
  61                 return 0;\r
  62 \r
  63         auto my_mutex = reinterpret_cast<tbb::recursive_mutex*>(*mutex);\r
  64         \r
  65         switch(op) \r
  66         { \r
  67                 case AV_LOCK_CREATE: \r
  68                 { \r
  69                         *mutex = new tbb::recursive_mutex(); \r
  70                         break; \r
  71                 } \r
  72                 case AV_LOCK_OBTAIN: \r
  73                 { \r
  74                         if(my_mutex)\r
  75                                 my_mutex->lock(); \r
  76                         break; \r
  77                 } \r
  78                 case AV_LOCK_RELEASE: \r
  79                 { \r
  80                         if(my_mutex)\r
  81                                 my_mutex->unlock(); \r
  82                         break; \r
  83                 } \r
  84                 case AV_LOCK_DESTROY: \r
  85                 { \r
  86                         delete my_mutex;\r
  87                         *mutex = nullptr;\r
  88                         break; \r
  89                 } \r
  90         } \r
  91         return 0; \r
  92 } \r
  93 \r
  94 static void sanitize(uint8_t *line)\r
  95 {\r
  96     while(*line)\r
  97         {\r
  98         if(*line < 0x08 || (*line > 0x0D && *line < 0x20))\r
  99             *line='?';\r
 100         line++;\r
 101     }\r
 102 }\r
 103 \r
 104 void log_callback(void* ptr, int level, const char* fmt, va_list vl)\r
 105 {\r
 106     static int print_prefix=1;\r
 107     static int count;\r
 108     static char prev[1024];\r
 109     char line[8192];\r
 110     static int is_atty;\r
 111     AVClass* avc= ptr ? *(AVClass**)ptr : NULL;\r
 112     if(level > av_log_get_level())\r
 113         return;\r
 114     line[0]=0;\r
 115         \r
 116 #undef fprintf\r
 117     if(print_prefix && avc) \r
 118         {\r
 119         if (avc->parent_log_context_offset) \r
 120                 {\r
 121             AVClass** parent= *(AVClass***)(((uint8_t*)ptr) + avc->parent_log_context_offset);\r
 122             if(parent && *parent)\r
 123                 std::sprintf(line, "[%s @ %p] ", (*parent)->item_name(parent), parent);            \r
 124         }\r
 125         std::sprintf(line + strlen(line), "[%s @ %p] ", avc->item_name(ptr), ptr);\r
 126     }\r
 127 \r
 128     std::vsprintf(line + strlen(line), fmt, vl);\r
 129 \r
 130     print_prefix = strlen(line) && line[strlen(line)-1] == '\n';\r
 131         \r
 132     //if(print_prefix && !strcmp(line, prev)){\r
 133     //    count++;\r
 134     //    if(is_atty==1)\r
 135     //        fprintf(stderr, "    Last message repeated %d times\r", count);\r
 136     //    return;\r
 137     //}\r
 138     //if(count>0){\r
 139     //    fprintf(stderr, "    Last message repeated %d times\n", count);\r
 140     //    count=0;\r
 141     //}\r
 142     strcpy(prev, line);\r
 143     sanitize((uint8_t*)line);\r
 144 \r
 145         int len = strlen(line);\r
 146         if(len > 0)\r
 147                 line[len-1] = 0;\r
 148         \r
 149         if(level == AV_LOG_DEBUG)\r
 150                 CASPAR_LOG(debug) << L"[ffmpeg] " << line;\r
 151         else if(level == AV_LOG_INFO)\r
 152                 CASPAR_LOG(info) << L"[ffmpeg] " << line;\r
 153         else if(level == AV_LOG_WARNING)\r
 154                 CASPAR_LOG(warning) << L"[ffmpeg] " << line;\r
 155         else if(level == AV_LOG_ERROR)\r
 156                 CASPAR_LOG(error) << L"[ffmpeg] " << line;\r
 157         else if(level == AV_LOG_FATAL)\r
 158                 CASPAR_LOG(fatal) << L"[ffmpeg] " << line;\r
 159         else\r
 160                 CASPAR_LOG(trace) << L"[ffmpeg] " << line;\r
 161 \r
 162     //colored_fputs(av_clip(level>>3, 0, 6), line);\r
 163 }\r
 164 \r
 165 boost::thread_specific_ptr<bool>& get_disable_logging_for_thread()\r
 166 {\r
 167         static boost::thread_specific_ptr<bool> disable_logging_for_thread;\r
 168 \r
 169         return disable_logging_for_thread;\r
 170 }\r
 171 \r
 172 void disable_logging_for_thread()\r
 173 {\r
 174         if (get_disable_logging_for_thread().get() == nullptr)\r
 175                 get_disable_logging_for_thread().reset(new bool); // bool value does not matter\r
 176 }\r
 177 \r
 178 bool is_logging_already_disabled_for_thread()\r
 179 {\r
 180         return get_disable_logging_for_thread().get() != nullptr;\r
 181 }\r
 182 \r
 183 std::shared_ptr<void> temporary_disable_logging_for_thread(bool disable)\r
 184 {\r
 185         if (!disable || is_logging_already_disabled_for_thread())\r
 186                 return std::shared_ptr<void>();\r
 187 \r
 188         disable_logging_for_thread();\r
 189 \r
 190         return std::shared_ptr<void>(nullptr, [] (void*)\r
 191         {\r
 192                 get_disable_logging_for_thread().release(); // Only works correctly if destructed in same thread as original caller.\r
 193         });\r
 194 }\r
 195 \r
 196 void log_for_thread(void* ptr, int level, const char* fmt, va_list vl)\r
 197 {\r
 198         win32_exception::ensure_handler_installed_for_thread("ffmpeg-thread");\r
 199         //if (get_disable_logging_for_thread().get() == nullptr) // It does not matter what the value of the bool is\r
 200                 log_callback(ptr, level, fmt, vl);\r
 201 }\r
 202 \r
 203 //static int query_yadif_formats(AVFilterContext *ctx)\r
 204 //{\r
 205 //    static const int pix_fmts[] = {\r
 206 //        PIX_FMT_YUV444P,\r
 207 //        PIX_FMT_YUV422P,\r
 208 //        PIX_FMT_YUV420P,\r
 209 //        PIX_FMT_YUV410P,\r
 210 //        PIX_FMT_YUV411P,\r
 211 //        PIX_FMT_GRAY8,\r
 212 //        PIX_FMT_YUVJ444P,\r
 213 //        PIX_FMT_YUVJ422P,\r
 214 //        PIX_FMT_YUVJ420P,\r
 215 //        AV_NE( PIX_FMT_GRAY16BE, PIX_FMT_GRAY16LE ),\r
 216 //        PIX_FMT_YUV440P,\r
 217 //        PIX_FMT_YUVJ440P,\r
 218 //        AV_NE( PIX_FMT_YUV444P16BE, PIX_FMT_YUV444P16LE ),\r
 219 //        AV_NE( PIX_FMT_YUV422P16BE, PIX_FMT_YUV422P16LE ),\r
 220 //        AV_NE( PIX_FMT_YUV420P16BE, PIX_FMT_YUV420P16LE ),\r
 221 //        PIX_FMT_YUVA420P,\r
 222 //        PIX_FMT_NONE\r
 223 //    };\r
 224 //    avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));\r
 225 //\r
 226 //    return 0;\r
 227 //}\r
 228 //\r
 229 //#pragma warning (push)\r
 230 //#pragma warning (disable : 4706)\r
 231 //void fix_yadif_filter_format_query()\r
 232 //{\r
 233 //      AVFilter** filter = nullptr;\r
 234 //    while((filter = av_filter_next(filter)) && *filter)\r
 235 //      {\r
 236 //              if(strstr((*filter)->name, "yadif") != 0)\r
 237 //                      (*filter)->query_formats = query_yadif_formats;\r
 238 //      }\r
 239 //}\r
 240 //#pragma warning (pop)\r
 241 \r
 242 void init()\r
 243 {\r
 244         av_lockmgr_register(ffmpeg_lock_callback);\r
 245         av_log_set_callback(log_for_thread);\r
 246 \r
 247         avdevice_register_all();\r
 248     avfilter_register_all();\r
 249         //fix_yadif_filter_format_query();\r
 250         av_register_all();\r
 251     avformat_network_init();\r
 252         avcodec_init();\r
 253     avcodec_register_all();\r
 254         \r
 255         core::register_consumer_factory([](const core::parameters& params){return ffmpeg::create_consumer(params);});\r
 256         core::register_producer_factory(create_producer);\r
 257         core::register_thumbnail_producer_factory(create_thumbnail_producer);\r
 258 }\r
 259 \r
 260 void uninit()\r
 261 {\r
 262         avfilter_uninit();\r
 263     avformat_network_deinit();\r
 264         av_lockmgr_register(nullptr);\r
 265 }\r
 266 \r
 267 std::wstring make_version(unsigned int ver)\r
 268 {\r
 269         std::wstringstream str;\r
 270         str << ((ver >> 16) & 0xFF) << L"." << ((ver >> 8) & 0xFF) << L"." << ((ver >> 0) & 0xFF);\r
 271         return str.str();\r
 272 }\r
 273 \r
 274 std::wstring get_avcodec_version()\r
 275 {\r
 276         return make_version(avcodec_version());\r
 277 }\r
 278 \r
 279 std::wstring get_avformat_version()\r
 280 {\r
 281         return make_version(avformat_version());\r
 282 }\r
 283 \r
 284 std::wstring get_avutil_version()\r
 285 {\r
 286         return make_version(avutil_version());\r
 287 }\r
 288 \r
 289 std::wstring get_avfilter_version()\r
 290 {\r
 291         return make_version(avfilter_version());\r
 292 }\r
 293 \r
 294 std::wstring get_swscale_version()\r
 295 {\r
 296         return make_version(swscale_version());\r
 297 }\r
 298 \r
 299 }}