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