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