]> git.sesse.net Git - casparcg/blobdiff - modules/ffmpeg/consumer/ffmpeg_consumer.cpp
2.1.0: ffmpeg_consumer: -croptop, -cropbot, -cropright, -cropleft.
[casparcg] / modules / ffmpeg / consumer / ffmpeg_consumer.cpp
index bdbda90edce275e113cb7af8750cc03af8b1b97f..2b7bf23f257b3c82f02fe39ba978184cacba883b 100644 (file)
@@ -1,39 +1,52 @@
 /*\r
-* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
 *\r
-*  This ffmpeg is part of CasparCG.\r
+* This file is part of CasparCG (www.casparcg.com).\r
 *\r
-*    CasparCG is free software: you can redistribute it and/or modify\r
-*    it under the terms of the GNU General Public License as published by\r
-*    the Free Software Foundation, either version 3 of the License, or\r
-*    (at your option) any later version.\r
+* CasparCG is free software: you can redistribute it and/or modify\r
+* it under the terms of the GNU General Public License as published by\r
+* the Free Software Foundation, either version 3 of the License, or\r
+* (at your option) any later version.\r
 *\r
-*    CasparCG is distributed in the hope that it will be useful,\r
-*    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
-*    GNU General Public License for more details.\r
-\r
-*    You should have received a copy of the GNU General Public License\r
-*    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
+* CasparCG is distributed in the hope that it will be useful,\r
+* but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+* GNU General Public License for more details.\r
+*\r
+* You should have received a copy of the GNU General Public License\r
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
 *\r
+* Author: Robert Nagy, ronag89@gmail.com\r
 */\r
  \r
 #include "../StdAfx.h"\r
 \r
-#include "ffmpeg_consumer.h"\r
-\r
-#include <core/consumer/frame/read_frame.h>\r
+#include "../ffmpeg_error.h"\r
 \r
-#include <common/concurrency/executor.h>\r
-#include <common/utility/string.h>\r
-#include <common/env.h>\r
+#include "ffmpeg_consumer.h"\r
 \r
-#include <boost/thread/once.hpp>\r
+#include "../producer/audio/audio_resampler.h"\r
 \r
-#include <tbb/cache_aligned_allocator.h>\r
-#include <tbb/parallel_invoke.h>\r
+#include <core/frame/frame.h>\r
+#include <core/mixer/audio/audio_util.h>\r
+#include <core/consumer/frame_consumer.h>\r
+#include <core/video_format.h>\r
 \r
-#include <cstdio>\r
+#include <common/env.h>\r
+#include <common/utf.h>\r
+#include <common/param.h>\r
+#include <common/executor.h>\r
+#include <common/diagnostics/graph.h>\r
+#include <common/array.h>\r
+#include <common/memory.h>\r
+\r
+#include <boost/algorithm/string.hpp>\r
+#include <boost/timer.hpp>\r
+#include <boost/property_tree/ptree.hpp>\r
+#include <boost/filesystem.hpp>\r
+#include <boost/range/algorithm.hpp>\r
+#include <boost/range/algorithm_ext.hpp>\r
+#include <boost/lexical_cast.hpp>\r
 \r
 #if defined(_MSC_VER)\r
 #pragma warning (push)\r
@@ -45,376 +58,714 @@ extern "C"
        #define __STDC_LIMIT_MACROS\r
        #include <libavformat/avformat.h>\r
        #include <libswscale/swscale.h>\r
+       #include <libavutil/opt.h>\r
+       #include <libavutil/pixdesc.h>\r
+       #include <libavutil/parseutils.h>\r
 }\r
 #if defined(_MSC_VER)\r
 #pragma warning (pop)\r
 #endif\r
 \r
-namespace caspar { \r
+namespace caspar { namespace ffmpeg {\r
        \r
-struct ffmpeg_consumer::implementation : boost::noncopyable\r
-{              \r
-       std::string filename_;\r
+int av_opt_set(void *obj, const char *name, const char *val, int search_flags)\r
+{\r
+       AVClass* av_class = *(AVClass**)obj;\r
 \r
-       // Audio\r
-       AVStream* audio_st_;\r
-       std::vector<unsigned char, tbb::cache_aligned_allocator<unsigned char>> audio_outbuf_;\r
+       if((strcmp(name, "pix_fmt") == 0 || strcmp(name, "pixel_format") == 0) && strcmp(av_class->class_name, "AVCodecContext") == 0)\r
+       {\r
+               AVCodecContext* c = (AVCodecContext*)obj;               \r
+               auto pix_fmt = av_get_pix_fmt(val);\r
+               if(pix_fmt == PIX_FMT_NONE)\r
+                       return -1;              \r
+               c->pix_fmt = pix_fmt;\r
+               return 0;\r
+       }\r
+       if((strcmp(name, "r") == 0 || strcmp(name, "frame_rate") == 0) && strcmp(av_class->class_name, "AVCodecContext") == 0)\r
+       {\r
+               AVCodecContext* c = (AVCodecContext*)obj;       \r
 \r
-       // Video\r
-       AVStream* video_st_;\r
-       std::vector<uint8_t, tbb::cache_aligned_allocator<unsigned char>> picture_buf_;\r
+               if(c->codec_type != AVMEDIA_TYPE_VIDEO)\r
+                       return -1;\r
 \r
-       std::vector<unsigned char, tbb::cache_aligned_allocator<unsigned char>> video_outbuf_;\r
-       SwsContext* img_convert_ctx_;\r
-       \r
-       AVOutputFormat* fmt_;\r
-       std::shared_ptr<AVFormatContext> oc_;\r
-       core::video_format_desc format_desc_;\r
+               AVRational rate;\r
+               int ret = av_parse_video_rate(&rate, val);\r
+               if(ret < 0)\r
+                       return ret;\r
 \r
-       std::vector<short, tbb::cache_aligned_allocator<short>> audio_input_buffer_;\r
+               c->time_base.num = rate.den;\r
+               c->time_base.den = rate.num;\r
+               return 0;\r
+       }\r
 \r
-       boost::unique_future<void> active_;\r
+       return ::av_opt_set(obj, name, val, search_flags);\r
+}\r
 \r
-       executor executor_;\r
-public:\r
-       implementation(const std::string& filename)\r
-               : filename_(filename)\r
-               , audio_st_(nullptr)\r
-               , video_st_(nullptr)\r
-               , fmt_(nullptr)\r
-               , img_convert_ctx_(nullptr)\r
-               , video_outbuf_(1920*1080*4)\r
-               , audio_outbuf_(48000)\r
-               , executor_(L"ffmpeg_consumer")\r
-       {}\r
-\r
-       ~implementation()\r
-       {    \r
-               executor_.invoke([]{});\r
-               executor_.stop();\r
+struct option\r
+{\r
+       std::string name;\r
+       std::string value;\r
 \r
-               av_write_trailer(oc_.get());\r
+       option(std::string name, std::string value)\r
+               : name(std::move(name))\r
+               , value(std::move(value))\r
+       {\r
+       }\r
+};\r
+       \r
+struct output_format\r
+{\r
+       AVOutputFormat* format;\r
+       int                             width;\r
+       int                             height;\r
+       CodecID                 vcodec;\r
+       CodecID                 acodec;\r
+       int                             croptop;\r
+       int                             cropbot;\r
+       int                             cropleft;\r
+       int                             cropright;\r
+\r
+       output_format(const core::video_format_desc& format_desc, const std::string& filename, std::vector<option>& options)\r
+               : format(av_guess_format(nullptr, filename.c_str(), nullptr))\r
+               , width(format_desc.width)\r
+               , height(format_desc.height)\r
+               , vcodec(CODEC_ID_NONE)\r
+               , acodec(CODEC_ID_NONE)\r
+               , croptop(0)\r
+               , cropbot(0)\r
+               , cropleft(0)\r
+               , cropright(0)\r
+       {\r
+               boost::range::remove_erase_if(options, [&](const option& o)\r
+               {\r
+                       return set_opt(o.name, o.value);\r
+               });\r
+               \r
+               if(vcodec == CODEC_ID_NONE)\r
+                       vcodec = format->video_codec;\r
 \r
-               // Close each codec.\r
-               if (video_st_)          \r
-                       avcodec_close(video_st_->codec);\r
+               if(acodec == CODEC_ID_NONE)\r
+                       acodec = format->audio_codec;\r
                \r
-               if (audio_st_)\r
-                       avcodec_close(audio_st_->codec);\r
-                               \r
-               // Free the streams.\r
-               for(size_t i = 0; i < oc_->nb_streams; ++i) \r
+               if(vcodec == CODEC_ID_NONE)\r
+                       vcodec = CODEC_ID_H264;\r
+               \r
+               if(acodec == CODEC_ID_NONE)\r
+                       acodec = CODEC_ID_PCM_S16LE;\r
+       }\r
+       \r
+       bool set_opt(const std::string& name, const std::string& value)\r
+       {\r
+               //if(name == "target")\r
+               //{ \r
+               //      enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;\r
+               //      \r
+               //      if(name.find("pal-") != std::string::npos)\r
+               //              norm = PAL;\r
+               //      else if(name.find("ntsc-") != std::string::npos)\r
+               //              norm = NTSC;\r
+\r
+               //      if(norm == UNKNOWN)\r
+               //              BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("target"));\r
+               //      \r
+               //      if (name.find("-dv") != std::string::npos) \r
+               //      {\r
+               //              set_opt("f", "dv");\r
+               //              set_opt("s", norm == PAL ? "720x576" : "720x480");\r
+               //              //set_opt("pix_fmt", name.find("-dv50") != std::string::npos ? "yuv422p" : norm == PAL ? "yuv420p" : "yuv411p");\r
+               //              //set_opt("ar", "48000");\r
+               //              //set_opt("ac", "2");\r
+               //      } \r
+               //}\r
+               if(name == "f")\r
                {\r
-                       av_freep(&oc_->streams[i]->codec);\r
-                       av_freep(&oc_->streams[i]);\r
-               }\r
+                       format = av_guess_format(value.c_str(), nullptr, nullptr);\r
 \r
-               if (!(fmt_->flags & AVFMT_NOFILE)) \r
-                       url_fclose(oc_->pb); // Close the output ffmpeg.\r
-       }\r
+                       if(format == nullptr)\r
+                               BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("f"));\r
 \r
-       void initialize(const core::video_format_desc& format_desc)\r
-       {\r
-               format_desc_ = format_desc;\r
-               executor_.start();\r
-               active_ = executor_.begin_invoke([]{});\r
+                       return true;\r
+               }\r
+               else if(name == "vcodec")\r
+               {\r
+                       auto c = avcodec_find_encoder_by_name(value.c_str());\r
+                       if(c == nullptr)\r
+                               BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("vcodec"));\r
 \r
-               fmt_ = av_guess_format(nullptr, filename_.c_str(), nullptr);\r
-               if (!fmt_) \r
+                       vcodec = avcodec_find_encoder_by_name(value.c_str())->id;\r
+                       return true;\r
+\r
+               }\r
+               else if(name == "acodec")\r
                {\r
-                       CASPAR_LOG(warning) << "Could not deduce output format from ffmpeg extension: using MPEG.";\r
-                       fmt_ = av_guess_format("mpeg", nullptr, nullptr);\r
-                       filename_ = filename_ + ".avi"; \r
+                       auto c = avcodec_find_encoder_by_name(value.c_str());\r
+                       if(c == nullptr)\r
+                               BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("acodec"));\r
+\r
+                       acodec = avcodec_find_encoder_by_name(value.c_str())->id;\r
+\r
+                       return true;\r
                }\r
-               if (!fmt_)\r
-                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Could not find suitable output format"));\r
-               \r
-               oc_.reset(avformat_alloc_context(), av_free);\r
-               if (!oc_)\r
-                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Memory error"));\r
-               std::copy_n(filename_.c_str(), filename_.size(), oc_->filename);\r
-\r
-               oc_->oformat = fmt_;\r
-               // To avoid mpeg buffer underflow (http://www.mail-archive.com/libav-user@mplayerhq.hu/msg00194.html)\r
-               oc_->preload = static_cast<int>(0.5*AV_TIME_BASE);\r
-               oc_->max_delay = static_cast<int>(0.7*AV_TIME_BASE);\r
+               else if(name == "s")\r
+               {\r
+                       if(av_parse_video_size(&width, &height, value.c_str()) < 0)\r
+                               BOOST_THROW_EXCEPTION(invalid_argument() << arg_name_info("s"));\r
                        \r
-               //  Add the audio and video streams using the default format codecs     and initialize the codecs .\r
-               if (fmt_->video_codec != CODEC_ID_NONE)         \r
-                       video_st_ = add_video_stream(fmt_->video_codec);\r
-               \r
-               if (fmt_->audio_codec != CODEC_ID_NONE) \r
-                       audio_st_ = add_audio_stream(fmt_->audio_codec);        \r
-\r
-               // Set the output parameters (must be done even if no parameters).              \r
-               int errn = 0;\r
-               if ((errn = -av_set_parameters(oc_.get(), nullptr)) > 0)\r
-                       BOOST_THROW_EXCEPTION(\r
-                               file_read_error() << \r
-                               msg_info("Invalid output format parameters") <<\r
-                               boost::errinfo_api_function("avcodec_open") <<\r
-                               boost::errinfo_errno(errn) <<\r
-                               boost::errinfo_file_name(filename_));\r
-               \r
-               dump_format(oc_.get(), 0, filename_.c_str(), 1);\r
+                       return true;\r
+               }\r
+               else if(name == "croptop")\r
+               {\r
+                       croptop = boost::lexical_cast<int>(value);\r
 \r
-               // Now that all the parameters are set, we can open the audio and\r
-               // video codecs and allocate the necessary encode buffers.\r
-               if (video_st_)\r
-                       open_video(video_st_);\r
-               \r
-               try\r
+                       return true;\r
+               }\r
+               else if(name == "cropbot")\r
                {\r
-                       if (audio_st_)\r
-                               open_audio(audio_st_);\r
+                       cropbot = boost::lexical_cast<int>(value);\r
+\r
+                       return true;\r
                }\r
-               catch(...)\r
+               else if(name == "cropleft")\r
                {\r
-                       CASPAR_LOG_CURRENT_EXCEPTION();\r
-                       audio_st_ = nullptr;\r
+                       cropleft = boost::lexical_cast<int>(value);\r
+\r
+                       return true;\r
                }\r
\r
+               else if(name == "cropright")\r
+               {\r
+                       cropright = boost::lexical_cast<int>(value);\r
+\r
+                       return true;\r
+               }\r
+               \r
+               return false;\r
+       }\r
+};\r
+\r
+typedef std::vector<uint8_t, tbb::cache_aligned_allocator<uint8_t>>    byte_vector;\r
+\r
+struct ffmpeg_consumer : boost::noncopyable\r
+{              \r
+       const std::string                                               filename_;\r
+               \r
+       const std::shared_ptr<AVFormatContext>  oc_;\r
+       const core::video_format_desc                   format_desc_;\r
+       \r
+       const spl::shared_ptr<diagnostics::graph>               graph_;\r
+\r
+       executor                                                                encode_executor_;\r
+       executor                                                                write_executor_;\r
+       \r
+       std::shared_ptr<AVStream>                               audio_st_;\r
+       std::shared_ptr<AVStream>                               video_st_;\r
+       \r
+       byte_vector                                                             audio_outbuf_;\r
+       byte_vector                                                             audio_buf_;\r
+       byte_vector                                                             video_outbuf_;\r
+       byte_vector                                                             picture_buf_;\r
+       std::shared_ptr<audio_resampler>                swr_;\r
+       std::shared_ptr<SwsContext>                             sws_;\r
+\r
+       int64_t                                                                 in_frame_number_;\r
+       int64_t                                                                 out_frame_number_;\r
+\r
+       output_format                                                   output_format_;\r
+       \r
+public:\r
+       ffmpeg_consumer(const std::string& filename, const core::video_format_desc& format_desc, std::vector<option> options)\r
+               : filename_(filename)\r
+               , video_outbuf_(1920*1080*8)\r
+               , audio_outbuf_(10000)\r
+               , oc_(avformat_alloc_context(), av_free)\r
+               , format_desc_(format_desc)\r
+               , encode_executor_(print())\r
+               , write_executor_(print() + L"/output")\r
+               , in_frame_number_(0)\r
+               , out_frame_number_(0)\r
+               , output_format_(format_desc, filename, options)\r
+       {\r
+               // TODO: Ask stakeholders about case where file already exists.\r
+               boost::filesystem::remove(boost::filesystem::path(env::media_folder() + u16(filename))); // Delete the file if it exists\r
+\r
+               graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));\r
+               graph_->set_text(print());\r
+               diagnostics::register_graph(graph_);\r
+\r
+               encode_executor_.set_capacity(8);\r
+               write_executor_.set_capacity(8);\r
+\r
+               oc_->oformat = output_format_.format;\r
+                               \r
+               THROW_ON_ERROR2(av_set_parameters(oc_.get(), nullptr), "[ffmpeg_consumer]");\r
+\r
+               strcpy_s(oc_->filename, filename_.c_str());\r
+               \r
+               //  Add the audio and video streams using the default format codecs     and initialize the codecs.\r
+               auto options2 = options;\r
+               video_st_ = add_video_stream(options2);\r
+               audio_st_ = add_audio_stream(options);\r
+                               \r
+               dump_format(oc_.get(), 0, filename_.c_str(), 1);\r
+                \r
                // Open the output ffmpeg, if needed.\r
-               if (!(fmt_->flags & AVFMT_NOFILE)) \r
+               if (!(oc_->oformat->flags & AVFMT_NOFILE)) \r
+                       THROW_ON_ERROR2(avio_open(&oc_->pb, filename_.c_str(), URL_WRONLY), "[ffmpeg_consumer]");\r
+                               \r
+               THROW_ON_ERROR2(av_write_header(oc_.get()), "[ffmpeg_consumer]");\r
+\r
+               if(options.size() > 0)\r
                {\r
-                       int errn = 0;\r
-                       if ((errn = -url_fopen(&oc_->pb, filename_.c_str(), URL_WRONLY)) > 0) \r
-                               BOOST_THROW_EXCEPTION(\r
-                                       file_not_found() << \r
-                                       msg_info("Could not open file") <<\r
-                                       boost::errinfo_api_function("url_fopen") <<\r
-                                       boost::errinfo_errno(errn) <<\r
-                                       boost::errinfo_file_name(filename_));\r
+                       BOOST_FOREACH(auto& option, options)\r
+                               CASPAR_LOG(warning) << L"Invalid option: -" << u16(option.name) << L" " << u16(option.value);\r
                }\r
+\r
+               CASPAR_LOG(info) << print() << L" Successfully Initialized.";   \r
+       }\r
+\r
+       ~ffmpeg_consumer()\r
+       {    \r
+               encode_executor_.wait();\r
+               write_executor_.wait();\r
+               \r
+               LOG_ON_ERROR2(av_write_trailer(oc_.get()), "[ffmpeg_consumer]");\r
                \r
-               av_write_header(oc_.get()); // write the stream header, if any \r
+               audio_st_.reset();\r
+               video_st_.reset();\r
+                         \r
+               if (!(oc_->oformat->flags & AVFMT_NOFILE)) \r
+                       LOG_ON_ERROR2(avio_close(oc_->pb), "[ffmpeg_consumer]"); // Close the output ffmpeg.\r
 \r
-               CASPAR_LOG(info) << print() << L" Successfully initialized.";\r
+               CASPAR_LOG(info) << print() << L" Successfully Uninitialized."; \r
        }\r
-       \r
+                       \r
        std::wstring print() const\r
        {\r
-               return L"ffmpeg[" + widen(filename_) + L"]";\r
+               return L"ffmpeg[" + u16(filename_) + L"]";\r
        }\r
 \r
-       AVStream* add_video_stream(enum CodecID codec_id)\r
+       std::shared_ptr<AVStream> add_video_stream(std::vector<option>& options)\r
        { \r
+               if(output_format_.vcodec == CODEC_ID_NONE)\r
+                       return nullptr;\r
+\r
                auto st = av_new_stream(oc_.get(), 0);\r
-               if (!st) \r
-                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Could not alloc stream"));\r
\r
+               if (!st)                \r
+                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Could not allocate video-stream.") << boost::errinfo_api_function("av_new_stream"));              \r
+\r
+               auto encoder = avcodec_find_encoder(output_format_.vcodec);\r
+               if (!encoder)\r
+                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Codec not found."));\r
+\r
                auto c = st->codec;\r
-               c->codec_id = codec_id;\r
-               c->codec_type = AVMEDIA_TYPE_VIDEO;\r
\r
-               // Put sample parameters.\r
-               c->bit_rate = static_cast<int>(static_cast<double>(format_desc_.size)*format_desc_.fps*0.1326);\r
-               c->width = format_desc_.width;\r
-               c->height = format_desc_.height;\r
-               c->time_base.den = static_cast<int>(format_desc_.fps);\r
-               c->time_base.num = 1;\r
-               c->pix_fmt = c->pix_fmt == -1 ? PIX_FMT_YUV420P : c->pix_fmt;\r
-\r
-               // Some formats want stream headers to be separate.\r
-               if(oc_->oformat->flags & AVFMT_GLOBALHEADER)\r
+\r
+               avcodec_get_context_defaults3(c, encoder);\r
+                               \r
+               c->codec_id                     = output_format_.vcodec;\r
+               c->codec_type           = AVMEDIA_TYPE_VIDEO;\r
+               c->width                        = output_format_.width;\r
+               c->height                       = output_format_.height;\r
+               c->time_base.den        = format_desc_.time_scale;\r
+               c->time_base.num        = format_desc_.duration;\r
+               c->gop_size                     = 25;\r
+               c->flags                   |= format_desc_.field_mode == core::field_mode::progressive ? 0 : (CODEC_FLAG_INTERLACED_ME | CODEC_FLAG_INTERLACED_DCT);\r
+               if(c->pix_fmt == PIX_FMT_NONE)\r
+                       c->pix_fmt = PIX_FMT_YUV420P;\r
+\r
+               if(c->codec_id == CODEC_ID_PRORES)\r
+               {                       \r
+                       c->bit_rate     = c->width < 1280 ? 63*1000000 : 220*1000000;\r
+                       c->pix_fmt      = PIX_FMT_YUV422P10;\r
+               }\r
+               else if(c->codec_id == CODEC_ID_DNXHD)\r
+               {\r
+                       if(c->width < 1280 || c->height < 720)\r
+                               BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Unsupported video dimensions."));\r
+\r
+                       c->bit_rate     = 220*1000000;\r
+                       c->pix_fmt      = PIX_FMT_YUV422P;\r
+               }\r
+               else if(c->codec_id == CODEC_ID_DVVIDEO)\r
+               {\r
+                       c->width = c->height == 1280 ? 960  : c->width;\r
+                       \r
+                       if(format_desc_.format == core::video_format::ntsc)\r
+                               c->pix_fmt = PIX_FMT_YUV411P;\r
+                       else if(format_desc_.format == core::video_format::pal)\r
+                               c->pix_fmt = PIX_FMT_YUV420P;\r
+                       else // dv50\r
+                               c->pix_fmt = PIX_FMT_YUV422P;\r
+                       \r
+                       if(format_desc_.duration == 1001)                       \r
+                               c->width = c->height == 1080 ? 1280 : c->width;                 \r
+                       else\r
+                               c->width = c->height == 1080 ? 1440 : c->width;                 \r
+               }\r
+               else if(c->codec_id == CODEC_ID_H264)\r
+               {                          \r
+                       c->pix_fmt = PIX_FMT_YUV420P;    \r
+                       if(options.empty())\r
+                       {\r
+                               av_opt_set(c->priv_data, "preset", "ultrafast", 0);\r
+                               av_opt_set(c->priv_data, "tune",   "fastdecode",   0);\r
+                               av_opt_set(c->priv_data, "crf",    "5",     0);\r
+                       }\r
+               }\r
+               else if(c->codec_id == CODEC_ID_QTRLE)\r
+               {\r
+                       c->pix_fmt = PIX_FMT_ARGB;\r
+               }\r
+                               \r
+               c->max_b_frames = 0; // b-frames not supported.\r
+                               \r
+               boost::range::remove_erase_if(options, [&](const option& o)\r
+               {\r
+                       return ffmpeg::av_opt_set(c, o.name.c_str(), o.value.c_str(), AV_OPT_SEARCH_CHILDREN) > -1;\r
+               });\r
+                               \r
+               if(output_format_.format->flags & AVFMT_GLOBALHEADER)\r
                        c->flags |= CODEC_FLAG_GLOBAL_HEADER;\r
\r
-               return st;\r
+               \r
+               c->thread_count = boost::thread::hardware_concurrency();\r
+               if(avcodec_open(c, encoder) < 0)\r
+               {\r
+                       c->thread_count = 1;\r
+                       THROW_ON_ERROR2(avcodec_open(c, encoder), "[ffmpeg_consumer]");\r
+               }\r
+\r
+               return std::shared_ptr<AVStream>(st, [](AVStream* st)\r
+               {\r
+                       LOG_ON_ERROR2(avcodec_close(st->codec), "[ffmpeg_consumer]");\r
+                       av_freep(&st->codec);\r
+                       av_freep(&st);\r
+               });\r
        }\r
-        \r
-       void open_video(AVStream* st)\r
-       { \r
-               auto c = st->codec;\r
\r
-               auto codec = avcodec_find_encoder(c->codec_id);\r
-               if (!codec)\r
+               \r
+       std::shared_ptr<AVStream> add_audio_stream(std::vector<option>& options)\r
+       {\r
+               if(output_format_.acodec == CODEC_ID_NONE)\r
+                       return nullptr;\r
+\r
+               auto st = av_new_stream(oc_.get(), 1);\r
+               if(!st)\r
+                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Could not allocate audio-stream") << boost::errinfo_api_function("av_new_stream"));               \r
+               \r
+               auto encoder = avcodec_find_encoder(output_format_.acodec);\r
+               if (!encoder)\r
                        BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("codec not found"));\r
                \r
-               int errn = 0;\r
-               if ((errn = -avcodec_open(c, codec)) > 0)\r
-                       BOOST_THROW_EXCEPTION(\r
-                               file_read_error() << \r
-                               msg_info("Could not open video codec.") <<\r
-                               boost::errinfo_api_function("avcodec_open") <<\r
-                               boost::errinfo_errno(errn) <<\r
-                               boost::errinfo_file_name(filename_));            \r
+               auto c = st->codec;\r
+\r
+               avcodec_get_context_defaults3(c, encoder);\r
+\r
+               c->codec_id                     = output_format_.acodec;\r
+               c->codec_type           = AVMEDIA_TYPE_AUDIO;\r
+               c->sample_rate          = 48000;\r
+               c->channels                     = 2;\r
+               c->sample_fmt           = SAMPLE_FMT_S16;\r
+\r
+               if(output_format_.vcodec == CODEC_ID_FLV1)              \r
+                       c->sample_rate  = 44100;                \r
+\r
+               if(output_format_.format->flags & AVFMT_GLOBALHEADER)\r
+                       c->flags |= CODEC_FLAG_GLOBAL_HEADER;\r
+                               \r
+               boost::range::remove_erase_if(options, [&](const option& o)\r
+               {\r
+                       return ffmpeg::av_opt_set(c, o.name.c_str(), o.value.c_str(), AV_OPT_SEARCH_CHILDREN) > -1;\r
+               });\r
+\r
+               THROW_ON_ERROR2(avcodec_open(c, encoder), "[ffmpeg_consumer]");\r
+\r
+               return std::shared_ptr<AVStream>(st, [](AVStream* st)\r
+               {\r
+                       LOG_ON_ERROR2(avcodec_close(st->codec), "[ffmpeg_consumer]");;\r
+                       av_freep(&st->codec);\r
+                       av_freep(&st);\r
+               });\r
        }\r
-  \r
-       void encode_video_frame(const safe_ptr<const core::read_frame>& frame)\r
-       { \r
-               AVCodecContext* c = video_st_->codec;\r
\r
-               if (img_convert_ctx_ == nullptr) \r
+       \r
+       std::shared_ptr<AVFrame> convert_video(core::const_frame frame, AVCodecContext* c)\r
+       {\r
+               if(!sws_) \r
                {\r
-                       img_convert_ctx_ = sws_getContext(format_desc_.width, format_desc_.height, PIX_FMT_BGRA, c->width, c->height, c->pix_fmt, SWS_BICUBIC, nullptr, nullptr, nullptr);\r
-                       if (img_convert_ctx_ == nullptr) \r
+                       sws_.reset(sws_getContext(format_desc_.width  - output_format_.cropleft - output_format_.cropright, \r
+                                                                         format_desc_.height - output_format_.croptop  - output_format_.cropbot, \r
+                                                                         PIX_FMT_BGRA,\r
+                                                                         c->width,\r
+                                                                         c->height, \r
+                                                                         c->pix_fmt, \r
+                                                                         SWS_BICUBIC, nullptr, nullptr, nullptr), \r
+                                               sws_freeContext);\r
+                       if (sws_ == nullptr) \r
                                BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Cannot initialize the conversion context"));\r
                }\r
 \r
-               std::shared_ptr<AVFrame> av_frame(avcodec_alloc_frame(), av_free);\r
-               avpicture_fill(reinterpret_cast<AVPicture*>(av_frame.get()), const_cast<uint8_t*>(frame->image_data().begin()), PIX_FMT_BGRA, format_desc_.width, format_desc_.height);\r
-                               \r
-               std::shared_ptr<AVFrame> local_av_frame(avcodec_alloc_frame(), av_free);\r
-               picture_buf_.resize(avpicture_get_size(c->pix_fmt, format_desc_.width, format_desc_.height));\r
-               avpicture_fill(reinterpret_cast<AVPicture*>(local_av_frame.get()), picture_buf_.data(), c->pix_fmt, format_desc_.width, format_desc_.height);\r
-\r
-               sws_scale(img_convert_ctx_, av_frame->data, av_frame->linesize, 0, c->height, local_av_frame->data, local_av_frame->linesize);\r
-                               \r
-               int ret = avcodec_encode_video(c, video_outbuf_.data(), video_outbuf_.size(), local_av_frame.get());\r
-                               \r
-               int errn = -ret;\r
-               if (errn > 0) \r
-                       BOOST_THROW_EXCEPTION(\r
-                               invalid_operation() << \r
-                               msg_info("Could not encode video frame.") <<\r
-                               boost::errinfo_api_function("avcodec_encode_video") <<\r
-                               boost::errinfo_errno(errn) <<\r
-                               boost::errinfo_file_name(filename_));\r
-\r
-               auto out_size = ret;\r
-               AVPacket pkt;\r
-               av_init_packet(&pkt);\r
-               pkt.size = out_size;\r
-\r
-               // If zero size, it means the image was buffered.\r
-               if (out_size > 0) \r
-               { \r
-                       if (c->coded_frame->pts != AV_NOPTS_VALUE)\r
-                               pkt.pts = av_rescale_q(c->coded_frame->pts, c->time_base, video_st_->time_base);\r
-                       if(c->coded_frame->key_frame)\r
-                               pkt.flags |= AV_PKT_FLAG_KEY;\r
+               std::shared_ptr<AVFrame> in_frame(avcodec_alloc_frame(), av_free);\r
 \r
-                       pkt.stream_index = video_st_->index;\r
-                       pkt.data = video_outbuf_.data();\r
+               avpicture_fill(reinterpret_cast<AVPicture*>(in_frame.get()), \r
+                                          const_cast<uint8_t*>(frame.image_data().begin()),\r
+                                          PIX_FMT_BGRA, \r
+                                          format_desc_.width,\r
+                                          format_desc_.height);\r
 \r
-                       if (av_interleaved_write_frame(oc_.get(), &pkt) != 0)\r
-                               BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Error while writing video frame"));\r
-               }               \r
+               for(int n = 0; n < 4; ++n)\r
+               {\r
+                       in_frame->data[n]         = in_frame->data[n] + output_format_.cropleft;\r
+                       in_frame->linesize[n] = in_frame->linesize[n] - output_format_.cropleft - output_format_.cropright;\r
+               }\r
+                                               \r
+               std::shared_ptr<AVFrame> out_frame(avcodec_alloc_frame(), av_free);\r
+\r
+               picture_buf_.resize(avpicture_get_size(c->pix_fmt, \r
+                                                                                          c->width,\r
+                                                                                          c->height));\r
+\r
+               avpicture_fill(reinterpret_cast<AVPicture*>(out_frame.get()),\r
+                                          picture_buf_.data(), \r
+                                          c->pix_fmt, \r
+                                          c->width, \r
+                                          c->height);\r
+\r
+               sws_scale(sws_.get(), \r
+                                 in_frame->data, \r
+                                 in_frame->linesize,\r
+                                 output_format_.croptop, \r
+                                 format_desc_.height - output_format_.croptop - output_format_.cropbot, \r
+                                 out_frame->data, \r
+                                 out_frame->linesize);\r
+\r
+               return out_frame;\r
        }\r
+  \r
+       std::shared_ptr<AVPacket> encode_video_frame(core::const_frame frame)\r
+       { \r
+               auto c = video_st_->codec;\r
+               \r
+               auto in_time  = static_cast<double>(in_frame_number_) / format_desc_.fps;\r
+               auto out_time = static_cast<double>(out_frame_number_) / (static_cast<double>(c->time_base.den) / static_cast<double>(c->time_base.num));\r
+               \r
+               in_frame_number_++;\r
 \r
-       AVStream* add_audio_stream(enum CodecID codec_id)\r
-       {\r
-               audio_st_ = av_new_stream(oc_.get(), 1);\r
-               if (!audio_st_)\r
-                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Could not alloc stream"));\r
-\r
-               auto c = audio_st_->codec;\r
-               c->codec_id = codec_id;\r
-               c->codec_type = AVMEDIA_TYPE_AUDIO;\r
+               if(out_time - in_time > 0.01)\r
+                       return nullptr;\r
\r
+               auto av_frame = convert_video(frame, c);\r
+               av_frame->interlaced_frame      = format_desc_.field_mode != core::field_mode::progressive;\r
+               av_frame->top_field_first       = format_desc_.field_mode == core::field_mode::upper;\r
+               av_frame->pts                           = out_frame_number_++;\r
 \r
-               // Put sample parameters.\r
-               c->bit_rate = 192000;\r
-               c->sample_rate = 48000;\r
-               c->channels = 2;\r
+               int out_size = THROW_ON_ERROR2(avcodec_encode_video(c, video_outbuf_.data(), static_cast<int>(video_outbuf_.size()), av_frame.get()), "[ffmpeg_consumer]");\r
+               if(out_size > 0)\r
+               {\r
+                       spl::shared_ptr<AVPacket> pkt(new AVPacket, [](AVPacket* p)\r
+                       {\r
+                               av_free_packet(p);\r
+                               delete p;\r
+                       });\r
+                       av_init_packet(pkt.get());\r
\r
+                       if (c->coded_frame->pts != AV_NOPTS_VALUE)\r
+                               pkt->pts = av_rescale_q(c->coded_frame->pts, c->time_base, video_st_->time_base);\r
 \r
-               // Some formats want stream headers to be separate.\r
-               if(oc_->oformat->flags & AVFMT_GLOBALHEADER)\r
-                       c->flags |= CODEC_FLAG_GLOBAL_HEADER;\r
+                       if(c->coded_frame->key_frame)\r
+                               pkt->flags |= AV_PKT_FLAG_KEY;\r
 \r
-               return audio_st_;\r
+                       pkt->stream_index       = video_st_->index;\r
+                       pkt->data                       = video_outbuf_.data();\r
+                       pkt->size                       = out_size;\r
\r
+                       av_dup_packet(pkt.get());\r
+                       return pkt;\r
+               }       \r
+               return nullptr;\r
        }\r
-\r
-       void open_audio(AVStream* st)\r
+               \r
+       byte_vector convert_audio(core::const_frame& frame, AVCodecContext* c)\r
        {\r
-               auto c = st->codec;\r
+               if(!swr_)               \r
+                       swr_.reset(new audio_resampler(c->channels, format_desc_.audio_channels, \r
+                                                                                  c->sample_rate, format_desc_.audio_sample_rate,\r
+                                                                                  c->sample_fmt, AV_SAMPLE_FMT_S32));\r
+               \r
 \r
-               // Find the audio encoder.\r
-               auto codec = avcodec_find_encoder(c->codec_id);\r
-               if (!codec) \r
-                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("codec not found"));\r
+               auto audio_data = frame.audio_data();\r
+\r
+               std::vector<int8_t,  tbb::cache_aligned_allocator<int8_t>> audio_resample_buffer;\r
+               std::copy(reinterpret_cast<const uint8_t*>(audio_data.data()), \r
+                                 reinterpret_cast<const uint8_t*>(audio_data.data()) + audio_data.size()*4, \r
+                                 std::back_inserter(audio_resample_buffer));\r
+               \r
+               audio_resample_buffer = swr_->resample(std::move(audio_resample_buffer));\r
                \r
-               // Open it.\r
-               int errn = 0;\r
-               if ((errn = -avcodec_open(c, codec)) > 0)\r
-                       BOOST_THROW_EXCEPTION(\r
-                               file_read_error() << \r
-                               msg_info("Could not open audio codec") <<\r
-                               boost::errinfo_api_function("avcodec_open") <<\r
-                               boost::errinfo_errno(errn) <<\r
-                               boost::errinfo_file_name(filename_));\r
+               return byte_vector(audio_resample_buffer.begin(), audio_resample_buffer.end());\r
        }\r
        \r
-       void encode_audio_frame(const safe_ptr<const core::read_frame>& frame)\r
-       {       \r
-               if(!frame->audio_data().empty())\r
-                       audio_input_buffer_.insert(audio_input_buffer_.end(), frame->audio_data().begin(), frame->audio_data().end());\r
-               else\r
-                       audio_input_buffer_.insert(audio_input_buffer_.end(), 3840, 0);\r
-\r
-               while(encode_audio_packet()){}\r
-       }\r
-\r
-       bool encode_audio_packet()\r
-       {                               \r
+       std::shared_ptr<AVPacket> encode_audio_frame(core::const_frame frame)\r
+       {                       \r
                auto c = audio_st_->codec;\r
 \r
-               auto frame_bytes = c->frame_size * 2 * 2; // samples per frame * 2 channels * 2 bytes per sample\r
-               if(static_cast<int>(audio_input_buffer_.size()) < frame_bytes/2)\r
-                       return false;\r
-\r
-               AVPacket pkt;\r
-               av_init_packet(&pkt);\r
+               boost::range::push_back(audio_buf_, convert_audio(frame, c));\r
                \r
-               int ret = avcodec_encode_audio(c, audio_outbuf_.data(), audio_outbuf_.size(), audio_input_buffer_.data());\r
+               std::size_t frame_size = c->frame_size;\r
                \r
-               int errn = -ret;\r
-               if (errn > 0) \r
-                       BOOST_THROW_EXCEPTION(\r
-                               invalid_operation() << \r
-                               msg_info("Could not encode audio samples.") <<\r
-                               boost::errinfo_api_function("avcodec_encode_audio") <<\r
-                               boost::errinfo_errno(errn) <<\r
-                               boost::errinfo_file_name(filename_));\r
-\r
-               pkt.size = ret;\r
-               audio_input_buffer_ = std::vector<short, tbb::cache_aligned_allocator<short>>(audio_input_buffer_.begin() + frame_bytes/2, audio_input_buffer_.end());\r
+               spl::shared_ptr<AVPacket> pkt(new AVPacket, [](AVPacket* p)\r
+               {\r
+                       av_free_packet(p);\r
+                       delete p;\r
+               });\r
+               av_init_packet(pkt.get());\r
+\r
+               if(frame_size > 1)\r
+               {                       \r
+                       auto input_audio_size = frame_size * av_get_bytes_per_sample(c->sample_fmt) * c->channels;\r
+                  \r
+                       if(audio_buf_.size() < input_audio_size)\r
+                               return nullptr;\r
+                                       \r
+                       pkt->size = avcodec_encode_audio(c, audio_outbuf_.data(), static_cast<int>(audio_outbuf_.size()), reinterpret_cast<short*>(audio_buf_.data()));\r
+                       audio_buf_.erase(audio_buf_.begin(), audio_buf_.begin() + input_audio_size);\r
+               }\r
+               else\r
+               {\r
+                       audio_outbuf_ = std::move(audio_buf_);          \r
+                       audio_buf_.clear();\r
+                       pkt->size = static_cast<int>(audio_outbuf_.size());\r
+                       pkt->data = audio_outbuf_.data();\r
+               }\r
+               \r
+               if(pkt->size == 0)\r
+                       return nullptr;\r
 \r
                if (c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE)\r
-                       pkt.pts = av_rescale_q(c->coded_frame->pts, c->time_base, audio_st_->time_base);\r
-               pkt.flags |= AV_PKT_FLAG_KEY;\r
-               pkt.stream_index = audio_st_->index;\r
-               pkt.data = audio_outbuf_.data();\r
-               \r
-               if (av_interleaved_write_frame(oc_.get(), &pkt) != 0)\r
-                       BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Error while writing audio frame"));\r
+                       pkt->pts = av_rescale_q(c->coded_frame->pts, c->time_base, audio_st_->time_base);\r
 \r
-               return true;\r
+               pkt->flags               |= AV_PKT_FLAG_KEY;\r
+               pkt->stream_index = audio_st_->index;\r
+               pkt->data                 = reinterpret_cast<uint8_t*>(audio_outbuf_.data());\r
+               \r
+               av_dup_packet(pkt.get());\r
+               return pkt;\r
        }\r
-        \r
-       void send(const safe_ptr<const core::read_frame>& frame)\r
+                \r
+       void send(core::const_frame& frame)\r
        {\r
-               active_.get();\r
-               active_ = executor_.begin_invoke([=]\r
-               {                               \r
-                       auto my_frame = frame;\r
-                       encode_video_frame(my_frame);\r
-                       encode_audio_frame(my_frame);\r
+               encode_executor_.begin_invoke([=]\r
+               {               \r
+                       boost::timer frame_timer;\r
+\r
+                       auto video = encode_video_frame(frame);\r
+                       auto audio = encode_audio_frame(frame);\r
+\r
+                       graph_->set_value("frame-time", frame_timer.elapsed()*format_desc_.fps*0.5);\r
+                       \r
+                       write_executor_.begin_invoke([=]\r
+                       {\r
+                               if(video)\r
+                                       av_interleaved_write_frame(oc_.get(), video.get());\r
+                               if(audio)\r
+                                       av_interleaved_write_frame(oc_.get(), audio.get());\r
+                       });\r
                });\r
        }\r
-\r
-       size_t buffer_depth() const { return 1; }\r
 };\r
 \r
-ffmpeg_consumer::ffmpeg_consumer(const std::wstring& filename) : impl_(new implementation(narrow(filename))){}\r
-ffmpeg_consumer::ffmpeg_consumer(ffmpeg_consumer&& other) : impl_(std::move(other.impl_)){}\r
-void ffmpeg_consumer::send(const safe_ptr<const core::read_frame>& frame){impl_->send(frame);}\r
-size_t ffmpeg_consumer::buffer_depth() const{return impl_->buffer_depth();}\r
-void ffmpeg_consumer::initialize(const core::video_format_desc& format_desc)\r
+struct ffmpeg_consumer_proxy : public core::frame_consumer\r
 {\r
-       // TODO: Ugly\r
-       impl_.reset(new implementation(impl_->filename_));\r
-       impl_->initialize(format_desc);\r
-}\r
-std::wstring ffmpeg_consumer::print() const {return impl_->print();}\r
+       const std::wstring                              filename_;\r
+       const std::vector<option>               options_;\r
 \r
-safe_ptr<core::frame_consumer> create_ffmpeg_consumer(const std::vector<std::wstring>& params)\r
+       std::unique_ptr<ffmpeg_consumer> consumer_;\r
+\r
+public:\r
+\r
+       ffmpeg_consumer_proxy(const std::wstring& filename, const std::vector<option>& options)\r
+               : filename_(filename)\r
+               , options_(options)\r
+       {\r
+       }\r
+       \r
+       virtual void initialize(const core::video_format_desc& format_desc, int)\r
+       {\r
+               consumer_.reset();\r
+               consumer_.reset(new ffmpeg_consumer(u8(filename_), format_desc, options_));\r
+       }\r
+       \r
+       virtual bool send(core::const_frame frame) override\r
+       {\r
+               consumer_->send(frame);\r
+               return true;\r
+       }\r
+       \r
+       virtual std::wstring print() const override\r
+       {\r
+               return consumer_ ? consumer_->print() : L"[ffmpeg_consumer]";\r
+       }\r
+\r
+       virtual std::wstring name() const override\r
+       {\r
+               return L"file";\r
+       }\r
+\r
+       virtual boost::property_tree::wptree info() const override\r
+       {\r
+               boost::property_tree::wptree info;\r
+               info.add(L"type", L"file");\r
+               info.add(L"filename", filename_);\r
+               return info;\r
+       }\r
+               \r
+       virtual bool has_synchronization_clock() const override\r
+       {\r
+               return false;\r
+       }\r
+\r
+       virtual int buffer_depth() const override\r
+       {\r
+               return 1;\r
+       }\r
+\r
+       virtual int index() const override\r
+       {\r
+               return 200;\r
+       }\r
+};     \r
+spl::shared_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params)\r
 {\r
-       if(params.size() < 2 || params[0] != L"FILE")\r
+       if(params.size() < 1 || params[0] != L"FILE")\r
                return core::frame_consumer::empty();\r
        \r
-       // TODO: Ask stakeholders about case where file already exists.\r
-       boost::filesystem::remove(boost::filesystem::wpath(env::media_folder() + params[1])); // Delete the file if it exists\r
-       return make_safe<ffmpeg_consumer>(env::media_folder() + params[1]);\r
+       auto filename   = (params.size() > 1 ? params[1] : L"");\r
+                       \r
+       std::vector<option> options;\r
+       \r
+       if(params.size() >= 3)\r
+       {\r
+               for(auto opt_it = params.begin()+2; opt_it != params.end();)\r
+               {\r
+                       auto name  = u8(boost::trim_copy(boost::to_lower_copy(*opt_it++))).substr(1);\r
+                       auto value = u8(boost::trim_copy(boost::to_lower_copy(*opt_it++)));\r
+                               \r
+                       if(value == "h264")\r
+                               value = "libx264";\r
+                       else if(value == "dvcpro")\r
+                               value = "dvvideo";\r
+\r
+                       options.push_back(option(name, value));\r
+               }\r
+       }\r
+               \r
+       return spl::make_shared<ffmpeg_consumer_proxy>(env::media_folder() + filename, options);\r
 }\r
 \r
+spl::shared_ptr<core::frame_consumer> create_consumer(const boost::property_tree::wptree& ptree)\r
+{\r
+       auto filename   = ptree.get<std::wstring>(L"path");\r
+       auto codec              = ptree.get(L"vcodec", L"libx264");\r
+\r
+       std::vector<option> options;\r
+       options.push_back(option("vcodec", u8(codec)));\r
+       \r
+       return spl::make_shared<ffmpeg_consumer_proxy>(env::media_folder() + filename, options);\r
 }\r
+\r
+}}\r