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

   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Robert Nagy, ronag89@gmail.com
  20 */
  21
  22 #include "StdAfx.h"
  23
  24 #include "ffmpeg.h"
  25
  26 #include "consumer/ffmpeg_consumer.h"
  27 #include "consumer/streaming_consumer.h"
  28 #include "producer/ffmpeg_producer.h"
  29 #include "producer/util/util.h"
  30
  31 #include <common/log.h>
  32 #include <common/os/general_protection_fault.h>
  33
  34 #include <core/consumer/frame_consumer.h>
  35 #include <core/frame/draw_frame.h>
  36 #include <core/producer/frame_producer.h>
  37 #include <core/producer/media_info/media_info.h>
  38 #include <core/producer/media_info/media_info_repository.h>
  39 #include <core/system_info_provider.h>
  40
  41 #include <boost/property_tree/ptree.hpp>
  42 #include <boost/thread/tss.hpp>
  43 #include <boost/bind.hpp>
  44
  45 #include <tbb/recursive_mutex.h>
  46
  47 #if defined(_MSC_VER)
  48 #pragma warning (disable : 4244)
  49 #pragma warning (disable : 4603)
  50 #pragma warning (disable : 4996)
  51 #endif
  52
  53 extern "C"
  54 {
  55         #define __STDC_CONSTANT_MACROS
  56         #define __STDC_LIMIT_MACROS
  57         #include <libavformat/avformat.h>
  58         #include <libswscale/swscale.h>
  59         #include <libavutil/avutil.h>
  60         #include <libavfilter/avfilter.h>
  61 }
  62
  63 namespace caspar { namespace ffmpeg {
  64
  65 int ffmpeg_lock_callback(void **mutex, enum AVLockOp op)
  66 {
  67         if(!mutex)
  68                 return 0;
  69
  70         auto my_mutex = reinterpret_cast<tbb::recursive_mutex*>(*mutex);
  71
  72         switch(op)
  73         {
  74                 case AV_LOCK_CREATE:
  75                 {
  76                         *mutex = new tbb::recursive_mutex();
  77                         break;
  78                 }
  79                 case AV_LOCK_OBTAIN:
  80                 {
  81                         if(my_mutex)
  82                                 my_mutex->lock();
  83                         break;
  84                 }
  85                 case AV_LOCK_RELEASE:
  86                 {
  87                         if(my_mutex)
  88                                 my_mutex->unlock();
  89                         break;
  90                 }
  91                 case AV_LOCK_DESTROY:
  92                 {
  93                         delete my_mutex;
  94                         *mutex = nullptr;
  95                         break;
  96                 }
  97         }
  98         return 0;
  99 }
 100
 101 static void sanitize(uint8_t *line)
 102 {
 103     while(*line)
 104         {
 105         if(*line < 0x08 || (*line > 0x0D && *line < 0x20))
 106             *line='?';
 107         line++;
 108     }
 109 }
 110
 111 void log_callback(void* ptr, int level, const char* fmt, va_list vl)
 112 {
 113     static int print_prefix=1;
 114     //static int count;
 115     static char prev[1024];
 116     char line[8192];
 117     //static int is_atty;
 118     AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
 119     if(level > av_log_get_level())
 120         return;
 121     line[0]=0;
 122
 123 #undef fprintf
 124     if(print_prefix && avc)
 125         {
 126         if (avc->parent_log_context_offset)
 127                 {
 128             AVClass** parent= *(AVClass***)(((uint8_t*)ptr) + avc->parent_log_context_offset);
 129             if(parent && *parent)
 130                 std::sprintf(line, "[%s @ %p] ", (*parent)->item_name(parent), parent);
 131         }
 132         std::sprintf(line + strlen(line), "[%s @ %p] ", avc->item_name(ptr), ptr);
 133     }
 134
 135     std::vsprintf(line + strlen(line), fmt, vl);
 136
 137     print_prefix = strlen(line) && line[strlen(line)-1] == '\n';
 138
 139     //if(print_prefix && !strcmp(line, prev)){
 140     //    count++;
 141     //    if(is_atty==1)
 142     //        fprintf(stderr, "    Last message repeated %d times\r", count);
 143     //    return;
 144     //}
 145     //if(count>0){
 146     //    fprintf(stderr, "    Last message repeated %d times\n", count);
 147     //    count=0;
 148     //}
 149     strcpy(prev, line);
 150     sanitize((uint8_t*)line);
 151
 152         auto len = strlen(line);
 153         if(len > 0)
 154                 line[len-1] = 0;
 155
 156         if(level == AV_LOG_DEBUG)
 157                 CASPAR_LOG(debug) << L"[ffmpeg] " << line;
 158         else if(level == AV_LOG_INFO)
 159                 CASPAR_LOG(info) << L"[ffmpeg] " << line;
 160         else if(level == AV_LOG_WARNING)
 161                 CASPAR_LOG(warning) << L"[ffmpeg] " << line;
 162         else if(level == AV_LOG_ERROR)
 163                 CASPAR_LOG(error) << L"[ffmpeg] " << line;
 164         else if(level == AV_LOG_FATAL)
 165                 CASPAR_LOG(fatal) << L"[ffmpeg] " << line;
 166         else
 167                 CASPAR_LOG(trace) << L"[ffmpeg] " << line;
 168
 169     //colored_fputs(av_clip(level>>3, 0, 6), line);
 170 }
 171
 172 //static int query_yadif_formats(AVFilterContext *ctx)
 173 //{
 174 //    static const int pix_fmts[] = {
 175 //        PIX_FMT_YUV444P,
 176 //        PIX_FMT_YUV422P,
 177 //        PIX_FMT_YUV420P,
 178 //        PIX_FMT_YUV410P,
 179 //        PIX_FMT_YUV411P,
 180 //        PIX_FMT_GRAY8,
 181 //        PIX_FMT_YUVJ444P,
 182 //        PIX_FMT_YUVJ422P,
 183 //        PIX_FMT_YUVJ420P,
 184 //        AV_NE( PIX_FMT_GRAY16BE, PIX_FMT_GRAY16LE ),
 185 //        PIX_FMT_YUV440P,
 186 //        PIX_FMT_YUVJ440P,
 187 //        AV_NE( PIX_FMT_YUV444P16BE, PIX_FMT_YUV444P16LE ),
 188 //        AV_NE( PIX_FMT_YUV422P16BE, PIX_FMT_YUV422P16LE ),
 189 //        AV_NE( PIX_FMT_YUV420P16BE, PIX_FMT_YUV420P16LE ),
 190 //        PIX_FMT_YUVA420P,
 191 //        PIX_FMT_NONE
 192 //    };
 193 //    avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));
 194 //
 195 //    return 0;
 196 //}
 197 //
 198 //#pragma warning (push)
 199 //#pragma warning (disable : 4706)
 200 //void fix_yadif_filter_format_query()
 201 //{
 202 //      AVFilter** filter = nullptr;
 203 //    while((filter = av_filter_next(filter)) && *filter)
 204 //      {
 205 //              if(strstr((*filter)->name, "yadif") != 0)
 206 //                      (*filter)->query_formats = query_yadif_formats;
 207 //      }
 208 //}
 209 //#pragma warning (pop)
 210
 211 std::wstring make_version(unsigned int ver)
 212 {
 213         std::wstringstream str;
 214         str << ((ver >> 16) & 0xFF) << L"." << ((ver >> 8) & 0xFF) << L"." << ((ver >> 0) & 0xFF);
 215         return str.str();
 216 }
 217
 218 std::wstring avcodec_version()
 219 {
 220         return make_version(::avcodec_version());
 221 }
 222
 223 std::wstring avformat_version()
 224 {
 225         return make_version(::avformat_version());
 226 }
 227
 228 std::wstring avutil_version()
 229 {
 230         return make_version(::avutil_version());
 231 }
 232
 233 std::wstring avfilter_version()
 234 {
 235         return make_version(::avfilter_version());
 236 }
 237
 238 std::wstring swscale_version()
 239 {
 240         return make_version(::swscale_version());
 241 }
 242 bool& get_quiet_logging_for_thread()
 243 {
 244         static boost::thread_specific_ptr<bool> quiet_logging_for_thread;
 245
 246         auto local = quiet_logging_for_thread.get();
 247
 248         if (!local)
 249         {
 250                 local = new bool(false);
 251                 quiet_logging_for_thread.reset(local);
 252         }
 253
 254         return *local;
 255 }
 256
 257 bool is_logging_quiet_for_thread()
 258 {
 259         return get_quiet_logging_for_thread();
 260 }
 261
 262 std::shared_ptr<void> temporary_enable_quiet_logging_for_thread(bool enable)
 263 {
 264         if (!enable || is_logging_quiet_for_thread())
 265                 return std::shared_ptr<void>();
 266
 267         get_quiet_logging_for_thread() = true;
 268
 269         return std::shared_ptr<void>(nullptr, [](void*)
 270         {
 271                 get_quiet_logging_for_thread() = false; // Only works correctly if destructed in same thread as original caller.
 272         });
 273 }
 274
 275 void log_for_thread(void* ptr, int level, const char* fmt, va_list vl)
 276 {
 277         ensure_gpf_handler_installed_for_thread("ffmpeg-thread");
 278
 279         int min_level = is_logging_quiet_for_thread() ? AV_LOG_DEBUG : AV_LOG_FATAL;
 280
 281         log_callback(ptr, std::max(level, min_level), fmt, vl);
 282 }
 283
 284 void init(core::module_dependencies dependencies)
 285 {
 286         av_lockmgr_register(ffmpeg_lock_callback);
 287         av_log_set_callback(log_for_thread);
 288
 289     avfilter_register_all();
 290         //fix_yadif_filter_format_query();
 291         av_register_all();
 292     avformat_network_init();
 293     avcodec_register_all();
 294
 295         auto info_repo = dependencies.media_info_repo;
 296
 297         dependencies.consumer_registry->register_consumer_factory(L"FFmpeg Consumer", create_consumer, describe_consumer);
 298         dependencies.consumer_registry->register_consumer_factory(L"Streaming Consumer",  create_streaming_consumer, describe_streaming_consumer);
 299         dependencies.consumer_registry->register_preconfigured_consumer_factory(L"file", create_preconfigured_consumer);
 300         dependencies.consumer_registry->register_preconfigured_consumer_factory(L"stream", create_preconfigured_streaming_consumer);
 301         dependencies.producer_registry->register_producer_factory(L"FFmpeg Producer", boost::bind(&create_producer, _1, _2, info_repo), describe_producer);
 302         dependencies.producer_registry->register_thumbnail_producer(boost::bind(&create_thumbnail_frame, _1, _2, info_repo));
 303
 304         info_repo->register_extractor(
 305                         [](const std::wstring& file, const std::wstring& extension, core::media_info& info) -> bool
 306                         {
 307                                 auto quiet_logging = temporary_enable_quiet_logging_for_thread(true);
 308                                 if (extension == L".WAV" || extension == L".MP3")
 309                                 {
 310                                         info.clip_type = L"AUDIO";
 311                                         return true;
 312                                 }
 313
 314                                 if (!is_valid_file(file, true))
 315                                         return false;
 316
 317                                 info.clip_type = L"MOVIE";
 318
 319                                 return try_get_duration(file, info.duration, info.time_base);
 320                         });
 321         dependencies.system_info_provider_repo->register_system_info_provider([](boost::property_tree::wptree& info)
 322         {
 323                 info.add(L"system.ffmpeg.avcodec", avcodec_version());
 324                 info.add(L"system.ffmpeg.avformat", avformat_version());
 325                 info.add(L"system.ffmpeg.avfilter", avfilter_version());
 326                 info.add(L"system.ffmpeg.avutil", avutil_version());
 327                 info.add(L"system.ffmpeg.swscale", swscale_version());
 328         });
 329 }
 330
 331 void uninit()
 332 {
 333         avfilter_uninit();
 334     avformat_network_deinit();
 335         av_lockmgr_register(nullptr);
 336 }
 337
 338 }}