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 #include "producer/util/util.h"\r
  27 \r
  28 #include <common/log/log.h>\r
  29 #include <common/exception/win32_exception.h>\r
  30 \r
  31 #include <core/parameters/parameters.h>\r
  32 #include <core/consumer/frame_consumer.h>\r
  33 #include <core/producer/frame_producer.h>\r
  34 #include <core/producer/media_info/media_info.h>\r
  35 #include <core/producer/media_info/media_info_repository.h>\r
  36 \r
  37 #include <tbb/recursive_mutex.h>\r
  38 \r
  39 #include <boost/thread.hpp>\r
  40 \r
  41 #if defined(_MSC_VER)\r
  42 #pragma warning (disable : 4244)\r
  43 #pragma warning (disable : 4603)\r
  44 #pragma warning (disable : 4996)\r
  45 #endif\r
  46 \r
  47 extern "C" \r
  48 {\r
  49         #define __STDC_CONSTANT_MACROS\r
  50         #define __STDC_LIMIT_MACROS\r
  51         #include <libavformat/avformat.h>\r
  52         #include <libswscale/swscale.h>\r
  53         #include <libavutil/avutil.h>\r
  54         #include <libavfilter/avfilter.h>\r
  55         #include <libavdevice/avdevice.h>\r
  56 }\r
  57 \r
  58 namespace caspar { namespace ffmpeg {\r
  59         \r
  60 int ffmpeg_lock_callback(void **mutex, enum AVLockOp op) \r
  61 { \r
  62         win32_exception::ensure_handler_installed_for_thread("ffmpeg-thread");\r
  63         if(!mutex)\r
  64                 return 0;\r
  65 \r
  66         auto my_mutex = reinterpret_cast<tbb::recursive_mutex*>(*mutex);\r
  67         \r
  68         switch(op) \r
  69         { \r
  70                 case AV_LOCK_CREATE: \r
  71                 { \r
  72                         *mutex = new tbb::recursive_mutex(); \r
  73                         break; \r
  74                 } \r
  75                 case AV_LOCK_OBTAIN: \r
  76                 { \r
  77                         if(my_mutex)\r
  78                                 my_mutex->lock(); \r
  79                         break; \r
  80                 } \r
  81                 case AV_LOCK_RELEASE: \r
  82                 { \r
  83                         if(my_mutex)\r
  84                                 my_mutex->unlock(); \r
  85                         break; \r
  86                 } \r
  87                 case AV_LOCK_DESTROY: \r
  88                 { \r
  89                         delete my_mutex;\r
  90                         *mutex = nullptr;\r
  91                         break; \r
  92                 } \r
  93         } \r
  94         return 0; \r
  95 } \r
  96 \r
  97 static void sanitize(uint8_t *line)\r
  98 {\r
  99     while(*line)\r
 100         {\r
 101         if(*line < 0x08 || (*line > 0x0D && *line < 0x20))\r
 102             *line='?';\r
 103         line++;\r
 104     }\r
 105 }\r
 106 \r
 107 void log_callback(void* ptr, int level, const char* fmt, va_list vl)\r
 108 {\r
 109     static int print_prefix=1;\r
 110     static int count;\r
 111     static char prev[1024];\r
 112     char line[8192];\r
 113     static int is_atty;\r
 114     AVClass* avc= ptr ? *(AVClass**)ptr : NULL;\r
 115     if(level > av_log_get_level())\r
 116         return;\r
 117     line[0]=0;\r
 118         \r
 119 #undef fprintf\r
 120     if(print_prefix && avc) \r
 121         {\r
 122         if (avc->parent_log_context_offset) \r
 123                 {\r
 124             AVClass** parent= *(AVClass***)(((uint8_t*)ptr) + avc->parent_log_context_offset);\r
 125             if(parent && *parent)\r
 126                 std::sprintf(line, "[%s @ %p] ", (*parent)->item_name(parent), parent);            \r
 127         }\r
 128         std::sprintf(line + strlen(line), "[%s @ %p] ", avc->item_name(ptr), ptr);\r
 129     }\r
 130 \r
 131     std::vsprintf(line + strlen(line), fmt, vl);\r
 132 \r
 133     print_prefix = strlen(line) && line[strlen(line)-1] == '\n';\r
 134         \r
 135     //if(print_prefix && !strcmp(line, prev)){\r
 136     //    count++;\r
 137     //    if(is_atty==1)\r
 138     //        fprintf(stderr, "    Last message repeated %d times\r", count);\r
 139     //    return;\r
 140     //}\r
 141     //if(count>0){\r
 142     //    fprintf(stderr, "    Last message repeated %d times\n", count);\r
 143     //    count=0;\r
 144     //}\r
 145     strcpy(prev, line);\r
 146     sanitize((uint8_t*)line);\r
 147 \r
 148         int len = strlen(line);\r
 149         if(len > 0)\r
 150                 line[len-1] = 0;\r
 151         \r
 152         if(level == AV_LOG_DEBUG)\r
 153                 CASPAR_LOG(debug) << L"[ffmpeg] " << line;\r
 154         else if(level == AV_LOG_INFO)\r
 155                 CASPAR_LOG(info) << L"[ffmpeg] " << line;\r
 156         else if(level == AV_LOG_WARNING)\r
 157                 CASPAR_LOG(warning) << L"[ffmpeg] " << line;\r
 158         else if(level == AV_LOG_ERROR)\r
 159                 CASPAR_LOG(error) << L"[ffmpeg] " << line;\r
 160         else if(level == AV_LOG_FATAL)\r
 161                 CASPAR_LOG(fatal) << L"[ffmpeg] " << line;\r
 162         else\r
 163                 CASPAR_LOG(trace) << L"[ffmpeg] " << line;\r
 164 \r
 165     //colored_fputs(av_clip(level>>3, 0, 6), line);\r
 166 }\r
 167 \r
 168 boost::thread_specific_ptr<bool>& get_disable_logging_for_thread()\r
 169 {\r
 170         static boost::thread_specific_ptr<bool> disable_logging_for_thread;\r
 171 \r
 172         return disable_logging_for_thread;\r
 173 }\r
 174 \r
 175 void disable_logging_for_thread()\r
 176 {\r
 177         if (get_disable_logging_for_thread().get() == nullptr)\r
 178                 get_disable_logging_for_thread().reset(new bool); // bool value does not matter\r
 179 }\r
 180 \r
 181 bool is_logging_already_disabled_for_thread()\r
 182 {\r
 183         return get_disable_logging_for_thread().get() != nullptr;\r
 184 }\r
 185 \r
 186 std::shared_ptr<void> temporary_disable_logging_for_thread(bool disable)\r
 187 {\r
 188         if (!disable || is_logging_already_disabled_for_thread())\r
 189                 return std::shared_ptr<void>();\r
 190 \r
 191         disable_logging_for_thread();\r
 192 \r
 193         return std::shared_ptr<void>(nullptr, [] (void*)\r
 194         {\r
 195                 get_disable_logging_for_thread().release(); // Only works correctly if destructed in same thread as original caller.\r
 196         });\r
 197 }\r
 198 \r
 199 void log_for_thread(void* ptr, int level, const char* fmt, va_list vl)\r
 200 {\r
 201         win32_exception::ensure_handler_installed_for_thread("ffmpeg-thread");\r
 202         if (get_disable_logging_for_thread().get() == nullptr) // It does not matter what the value of the bool is\r
 203                 log_callback(ptr, level, fmt, vl);\r
 204 }\r
 205 \r
 206 //static int query_yadif_formats(AVFilterContext *ctx)\r
 207 //{\r
 208 //    static const int pix_fmts[] = {\r
 209 //        PIX_FMT_YUV444P,\r
 210 //        PIX_FMT_YUV422P,\r
 211 //        PIX_FMT_YUV420P,\r
 212 //        PIX_FMT_YUV410P,\r
 213 //        PIX_FMT_YUV411P,\r
 214 //        PIX_FMT_GRAY8,\r
 215 //        PIX_FMT_YUVJ444P,\r
 216 //        PIX_FMT_YUVJ422P,\r
 217 //        PIX_FMT_YUVJ420P,\r
 218 //        AV_NE( PIX_FMT_GRAY16BE, PIX_FMT_GRAY16LE ),\r
 219 //        PIX_FMT_YUV440P,\r
 220 //        PIX_FMT_YUVJ440P,\r
 221 //        AV_NE( PIX_FMT_YUV444P16BE, PIX_FMT_YUV444P16LE ),\r
 222 //        AV_NE( PIX_FMT_YUV422P16BE, PIX_FMT_YUV422P16LE ),\r
 223 //        AV_NE( PIX_FMT_YUV420P16BE, PIX_FMT_YUV420P16LE ),\r
 224 //        PIX_FMT_YUVA420P,\r
 225 //        PIX_FMT_NONE\r
 226 //    };\r
 227 //    avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));\r
 228 //\r
 229 //    return 0;\r
 230 //}\r
 231 //\r
 232 //#pragma warning (push)\r
 233 //#pragma warning (disable : 4706)\r
 234 //void fix_yadif_filter_format_query()\r
 235 //{\r
 236 //      AVFilter** filter = nullptr;\r
 237 //    while((filter = av_filter_next(filter)) && *filter)\r
 238 //      {\r
 239 //              if(strstr((*filter)->name, "yadif") != 0)\r
 240 //                      (*filter)->query_formats = query_yadif_formats;\r
 241 //      }\r
 242 //}\r
 243 //#pragma warning (pop)\r
 244 \r
 245 void init(const safe_ptr<core::media_info_repository>& media_info_repo)\r
 246 {\r
 247         av_lockmgr_register(ffmpeg_lock_callback);\r
 248         av_log_set_callback(log_for_thread);\r
 249                 \r
 250     avcodec_register_all();     \r
 251     avdevice_register_all();\r
 252     avfilter_register_all();\r
 253     av_register_all();\r
 254     avformat_network_init();\r
 255         \r
 256         core::register_consumer_factory([](const core::parameters& params){return ffmpeg::create_consumer(params);});\r
 257         core::register_producer_factory(create_producer);\r
 258         core::register_thumbnail_producer_factory(create_thumbnail_producer);\r
 259 \r
 260         media_info_repo->register_extractor(\r
 261                         [](const std::wstring& file, core::media_info& info) -> bool\r
 262                         {\r
 263                                 auto disable_logging = temporary_disable_logging_for_thread(true);\r
 264 \r
 265                                 return is_valid_file(file) && try_get_duration(file, info.duration, info.time_base);\r
 266                         });\r
 267 }\r
 268 \r
 269 void uninit()\r
 270 {\r
 271         avfilter_uninit();\r
 272     avformat_network_deinit();\r
 273         av_lockmgr_register(nullptr);\r
 274 }\r
 275 \r
 276 std::wstring make_version(unsigned int ver)\r
 277 {\r
 278         std::wstringstream str;\r
 279         str << ((ver >> 16) & 0xFF) << L"." << ((ver >> 8) & 0xFF) << L"." << ((ver >> 0) & 0xFF);\r
 280         return str.str();\r
 281 }\r
 282 \r
 283 std::wstring get_avcodec_version()\r
 284 {\r
 285         return make_version(avcodec_version());\r
 286 }\r
 287 \r
 288 std::wstring get_avformat_version()\r
 289 {\r
 290         return make_version(avformat_version());\r
 291 }\r
 292 \r
 293 std::wstring get_avutil_version()\r
 294 {\r
 295         return make_version(avutil_version());\r
 296 }\r
 297 \r
 298 std::wstring get_avfilter_version()\r
 299 {\r
 300         return make_version(avfilter_version());\r
 301 }\r
 302 \r
 303 std::wstring get_swscale_version()\r
 304 {\r
 305         return make_version(swscale_version());\r
 306 }\r
 307 \r
 308 }}