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