2 * Copyright 2013 Sveriges Television AB http://casparcg.com/
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4 * This file is part of CasparCG (www.casparcg.com).
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6 * CasparCG is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * CasparCG is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
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19 * Author: Robert Nagy, ronag89@gmail.com
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22 #include "../stdafx.h"
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24 #include "ffmpeg_producer.h"
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26 #include "../ffmpeg_error.h"
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27 #include "../ffmpeg.h"
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28 #include "ffmpeg_params.h"
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30 #include "muxer/frame_muxer.h"
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31 #include "input/input.h"
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32 #include "util/util.h"
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33 #include "audio/audio_decoder.h"
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34 #include "video/video_decoder.h"
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36 #include <common/env.h>
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37 #include <common/utility/assert.h>
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38 #include <common/diagnostics/graph.h>
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40 #include <core/monitor/monitor.h>
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41 #include <core/video_format.h>
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42 #include <core/parameters/parameters.h>
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43 #include <core/producer/frame_producer.h>
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44 #include <core/producer/frame/frame_factory.h>
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45 #include <core/producer/frame/basic_frame.h>
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46 #include <core/producer/frame/frame_transform.h>
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48 #include <boost/algorithm/string.hpp>
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49 #include <boost/assign.hpp>
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50 #include <boost/timer.hpp>
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51 #include <boost/foreach.hpp>
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52 #include <boost/filesystem.hpp>
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53 #include <boost/range/algorithm/find_if.hpp>
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54 #include <boost/range/algorithm/find.hpp>
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55 #include <boost/regex.hpp>
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57 #include <tbb/parallel_invoke.h>
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63 namespace caspar { namespace ffmpeg {
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66 struct ffmpeg_producer : public core::frame_producer
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68 core::monitor::subject monitor_subject_;
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69 const std::wstring filename_;
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71 FFMPEG_Resource resource_type_;
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73 const safe_ptr<diagnostics::graph> graph_;
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74 boost::timer frame_timer_;
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76 const safe_ptr<core::frame_factory> frame_factory_;
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77 const core::video_format_desc format_desc_;
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79 std::shared_ptr<void> initial_logger_disabler_;
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82 std::unique_ptr<video_decoder> video_decoder_;
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83 std::unique_ptr<audio_decoder> audio_decoder_;
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84 std::unique_ptr<frame_muxer> muxer_;
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87 const uint32_t start_;
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88 const uint32_t length_;
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89 const bool thumbnail_mode_;
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91 safe_ptr<core::basic_frame> last_frame_;
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93 std::queue<std::pair<safe_ptr<core::basic_frame>, size_t>> frame_buffer_;
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95 int64_t frame_number_;
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96 uint32_t file_frame_number_;
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99 explicit ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, FFMPEG_Resource resource_type, const std::wstring& filter, bool loop, uint32_t start, uint32_t length, bool thumbnail_mode, const std::wstring& custom_channel_order, const ffmpeg_params& vid_params)
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100 : filename_(filename)
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101 , resource_type_(resource_type)
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102 , frame_factory_(frame_factory)
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103 , format_desc_(frame_factory->get_video_format_desc())
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104 , initial_logger_disabler_(temporary_disable_logging_for_thread(thumbnail_mode))
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105 , input_(graph_, filename_, resource_type, loop, start, length, thumbnail_mode, vid_params)
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106 , fps_(read_fps(*input_.context(), format_desc_.fps))
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109 , thumbnail_mode_(thumbnail_mode)
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110 , last_frame_(core::basic_frame::empty())
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113 graph_->set_color("frame-time", diagnostics::color(0.1f, 1.0f, 0.1f));
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114 graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));
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115 diagnostics::register_graph(graph_);
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119 video_decoder_.reset(new video_decoder(input_.context()));
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120 if (!thumbnail_mode_)
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121 CASPAR_LOG(info) << print() << L" " << video_decoder_->print();
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123 catch(averror_stream_not_found&)
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125 //CASPAR_LOG(warning) << print() << " No video-stream found. Running without video.";
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129 if (!thumbnail_mode_)
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131 CASPAR_LOG_CURRENT_EXCEPTION();
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132 CASPAR_LOG(warning) << print() << "Failed to open video-stream. Running without video.";
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136 core::channel_layout audio_channel_layout = core::default_channel_layout_repository().get_by_name(L"STEREO");
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138 if (!thumbnail_mode_)
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142 audio_decoder_.reset(new audio_decoder(input_.context(), frame_factory->get_video_format_desc(), custom_channel_order));
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143 audio_channel_layout = audio_decoder_->channel_layout();
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144 CASPAR_LOG(info) << print() << L" " << audio_decoder_->print();
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146 catch(averror_stream_not_found&)
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148 //CASPAR_LOG(warning) << print() << " No audio-stream found. Running without audio.";
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152 CASPAR_LOG_CURRENT_EXCEPTION();
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153 CASPAR_LOG(warning) << print() << " Failed to open audio-stream. Running without audio.";
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157 if(!video_decoder_ && !audio_decoder_)
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158 BOOST_THROW_EXCEPTION(averror_stream_not_found() << msg_info("No streams found"));
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160 muxer_.reset(new frame_muxer(fps_, frame_factory, thumbnail_mode_, audio_channel_layout, filter));
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165 virtual safe_ptr<core::basic_frame> receive(int hints) override
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167 return render_frame(hints).first;
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170 virtual safe_ptr<core::basic_frame> last_frame() const override
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172 return disable_audio(last_frame_);
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175 std::pair<safe_ptr<core::basic_frame>, uint32_t> render_frame(int hints)
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177 frame_timer_.restart();
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178 auto disable_logging = temporary_disable_logging_for_thread(thumbnail_mode_);
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180 for(int n = 0; n < 16 && frame_buffer_.size() < 2; ++n)
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181 try_decode_frame(hints);
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183 graph_->set_value("frame-time", frame_timer_.elapsed()*format_desc_.fps*0.5);
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185 if(frame_buffer_.empty())
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189 return std::make_pair(last_frame(), -1);
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190 } else if (resource_type_ == FFMPEG_FILE)
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192 graph_->set_tag("underflow");
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193 return std::make_pair(core::basic_frame::late(), -1);
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196 return std::make_pair(last_frame(), -1);
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200 auto frame = frame_buffer_.front();
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201 frame_buffer_.pop();
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204 file_frame_number_ = frame.second;
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206 graph_->set_text(print());
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208 last_frame_ = frame.first;
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210 monitor_subject_ << core::monitor::message("/profiler/time") % frame_timer_.elapsed() % (1.0/format_desc_.fps);
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212 monitor_subject_ << core::monitor::message("/file/time") % (file_frame_number()/fps_)
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213 % (file_nb_frames()/fps_)
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214 << core::monitor::message("/file/frame") % static_cast<int32_t>(file_frame_number())
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215 % static_cast<int32_t>(file_nb_frames())
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216 << core::monitor::message("/file/fps") % fps_
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217 << core::monitor::message("/file/path") % filename_
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218 << core::monitor::message("/loop") % input_.loop();
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223 safe_ptr<core::basic_frame> render_specific_frame(uint32_t file_position, int hints)
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225 // Some trial and error and undeterministic stuff here
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226 static const int NUM_RETRIES = 32;
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228 if (file_position > 0) // Assume frames are requested in sequential order,
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229 // therefore no seeking should be necessary for the first frame.
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231 input_.seek(file_position > 1 ? file_position - 2: file_position).get();
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232 boost::this_thread::sleep(boost::posix_time::milliseconds(40));
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235 for (int i = 0; i < NUM_RETRIES; ++i)
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237 boost::this_thread::sleep(boost::posix_time::milliseconds(40));
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239 auto frame = render_frame(hints);
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241 if (frame.second == std::numeric_limits<uint32_t>::max())
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246 else if (frame.second == file_position + 1 || frame.second == file_position)
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247 return frame.first;
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248 else if (frame.second > file_position + 1)
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250 CASPAR_LOG(trace) << print() << L" " << frame.second << L" received, wanted " << file_position + 1;
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251 int64_t adjusted_seek = file_position - (frame.second - file_position + 1);
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253 if (adjusted_seek > 1 && file_position > 0)
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255 CASPAR_LOG(trace) << print() << L" adjusting to " << adjusted_seek;
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256 input_.seek(static_cast<uint32_t>(adjusted_seek) - 1).get();
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257 boost::this_thread::sleep(boost::posix_time::milliseconds(40));
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260 return frame.first;
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264 CASPAR_LOG(trace) << print() << " Giving up finding frame at " << file_position;
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265 return core::basic_frame::empty();
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268 virtual safe_ptr<core::basic_frame> create_thumbnail_frame() override
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270 auto disable_logging = temporary_disable_logging_for_thread(thumbnail_mode_);
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271 auto total_frames = nb_frames();
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272 auto grid = env::properties().get(L"configuration.thumbnails.video-grid", 2);
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276 CASPAR_LOG(error) << L"configuration/thumbnails/video-grid cannot be less than 1";
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277 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("configuration/thumbnails/video-grid cannot be less than 1"));
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282 return render_specific_frame(total_frames / 2, 0/*DEINTERLACE_HINT*/);
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285 auto num_snapshots = grid * grid;
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287 std::vector<safe_ptr<core::basic_frame>> frames;
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289 for (int i = 0; i < num_snapshots; ++i)
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296 desired_frame = 0; // first
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297 else if (i == num_snapshots - 1)
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298 desired_frame = total_frames - 1; // last
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300 // evenly distributed across the file.
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301 desired_frame = total_frames * i / (num_snapshots - 1);
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303 auto frame = render_specific_frame(desired_frame, 0/*DEINTERLACE_HINT*/);
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304 frame->get_frame_transform().fill_scale[0] = 1.0 / static_cast<double>(grid);
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305 frame->get_frame_transform().fill_scale[1] = 1.0 / static_cast<double>(grid);
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306 frame->get_frame_transform().fill_translation[0] = 1.0 / static_cast<double>(grid) * x;
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307 frame->get_frame_transform().fill_translation[1] = 1.0 / static_cast<double>(grid) * y;
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309 frames.push_back(frame);
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312 return make_safe<core::basic_frame>(frames);
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315 uint32_t file_frame_number() const
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317 return video_decoder_ ? video_decoder_->file_frame_number() : 0;
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320 virtual uint32_t nb_frames() const override
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322 //if(input_.loop())
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323 if(resource_type_ == FFMPEG_DEVICE || resource_type_ == FFMPEG_STREAM || input_.loop())
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324 return std::numeric_limits<uint32_t>::max();
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326 uint32_t nb_frames = file_nb_frames();
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328 nb_frames = std::min(length_, nb_frames);
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329 nb_frames = muxer_->calc_nb_frames(nb_frames);
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331 return nb_frames > start_ ? nb_frames - start_ : 0;
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334 uint32_t file_nb_frames() const
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336 uint32_t file_nb_frames = 0;
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337 file_nb_frames = std::max(file_nb_frames, video_decoder_ ? video_decoder_->nb_frames() : 0);
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338 file_nb_frames = std::max(file_nb_frames, audio_decoder_ ? audio_decoder_->nb_frames() : 0);
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339 return file_nb_frames;
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342 virtual boost::unique_future<std::wstring> call(const std::wstring& param) override
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344 boost::promise<std::wstring> promise;
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345 promise.set_value(do_call(param));
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346 return promise.get_future();
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349 virtual std::wstring print() const override
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351 return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"|"
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352 + print_mode() + L"|"
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353 + boost::lexical_cast<std::wstring>(file_frame_number_) + L"/" + boost::lexical_cast<std::wstring>(file_nb_frames()) + L"]";
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356 boost::property_tree::wptree info() const override
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358 boost::property_tree::wptree info;
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359 info.add(L"type", L"ffmpeg-producer");
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360 info.add(L"filename", filename_);
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361 info.add(L"width", video_decoder_ ? video_decoder_->width() : 0);
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362 info.add(L"height", video_decoder_ ? video_decoder_->height() : 0);
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363 info.add(L"progressive", video_decoder_ ? video_decoder_->is_progressive() : false);
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364 info.add(L"fps", fps_);
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365 info.add(L"loop", input_.loop());
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366 info.add(L"frame-number", frame_number_);
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367 auto nb_frames2 = nb_frames();
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368 info.add(L"nb-frames", nb_frames2 == std::numeric_limits<int64_t>::max() ? -1 : nb_frames2);
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369 info.add(L"file-frame-number", file_frame_number_);
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370 info.add(L"file-nb-frames", file_nb_frames());
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376 std::wstring print_mode() const
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378 return video_decoder_ ? ffmpeg::print_mode(video_decoder_->width(), video_decoder_->height(), fps_, !video_decoder_->is_progressive()) : L"";
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381 std::wstring do_call(const std::wstring& param)
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383 static const boost::wregex loop_exp(L"LOOP\\s*(?<VALUE>\\d?)?", boost::regex::icase);
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384 static const boost::wregex seek_exp(L"SEEK\\s+(?<VALUE>\\d+)", boost::regex::icase);
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386 boost::wsmatch what;
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387 if(boost::regex_match(param, what, loop_exp))
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389 if(!what["VALUE"].str().empty())
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390 input_.loop(boost::lexical_cast<bool>(what["VALUE"].str()));
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391 return boost::lexical_cast<std::wstring>(input_.loop());
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393 if(boost::regex_match(param, what, seek_exp))
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395 input_.seek(boost::lexical_cast<uint32_t>(what["VALUE"].str()));
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399 BOOST_THROW_EXCEPTION(invalid_argument());
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402 void try_decode_frame(int hints)
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404 std::shared_ptr<AVPacket> pkt;
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406 for(int n = 0; n < 32 && ((video_decoder_ && !video_decoder_->ready()) || (audio_decoder_ && !audio_decoder_->ready())) && input_.try_pop(pkt); ++n)
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409 video_decoder_->push(pkt);
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411 audio_decoder_->push(pkt);
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414 std::shared_ptr<AVFrame> video;
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415 std::shared_ptr<core::audio_buffer> audio;
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417 tbb::parallel_invoke(
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420 if(!muxer_->video_ready() && video_decoder_)
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421 video = video_decoder_->poll();
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425 if(!muxer_->audio_ready() && audio_decoder_)
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426 audio = audio_decoder_->poll();
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429 muxer_->push(video, hints);
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430 muxer_->push(audio);
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432 if(!audio_decoder_)
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434 if(video == flush_video())
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435 muxer_->push(flush_audio());
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436 else if(!muxer_->audio_ready())
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437 muxer_->push(empty_audio());
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440 if(!video_decoder_)
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442 if(audio == flush_audio())
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443 muxer_->push(flush_video(), 0);
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444 else if(!muxer_->video_ready())
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445 muxer_->push(empty_video(), 0);
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448 size_t file_frame_number = 0;
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449 file_frame_number = std::max(file_frame_number, video_decoder_ ? video_decoder_->file_frame_number() : 0);
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450 //file_frame_number = std::max(file_frame_number, audio_decoder_ ? audio_decoder_->file_frame_number() : 0);
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452 for(auto frame = muxer_->poll(); frame; frame = muxer_->poll())
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453 frame_buffer_.push(std::make_pair(make_safe_ptr(frame), file_frame_number));
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456 core::monitor::source& monitor_output()
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458 return monitor_subject_;
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462 safe_ptr<core::frame_producer> create_producer(
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463 const safe_ptr<core::frame_factory>& frame_factory,
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464 const core::parameters& params)
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466 static const std::vector<std::wstring> invalid_exts = boost::assign::list_of(L".png")(L".tga")(L".bmp")(L".jpg")(L".jpeg")(L".gif")(L".tiff")(L".tif")(L".jp2")(L".jpx")(L".j2k")(L".j2c")(L".swf")(L".ct");
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468 // Infer the resource type from the resource_name
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469 auto resource_type = FFMPEG_FILE;
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470 auto tokens = core::parameters::protocol_split(params.at_original(0));
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471 auto filename = params.at_original(0);
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472 if (!tokens[0].empty())
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474 if (tokens[0] == L"dshow")
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477 resource_type = FFMPEG_DEVICE;
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478 filename = tokens[1];
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482 resource_type = FFMPEG_STREAM;
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483 filename = params.at_original(0);
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488 resource_type = FFMPEG_FILE;
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489 filename = env::media_folder() + L"\\" + tokens[1];
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490 if(!boost::filesystem::exists(filename))
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491 filename = probe_stem(filename);
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494 //ffmpeg_params->loop = params.has(L"LOOP");
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495 //ffmpeg_params->start = params.get(L"SEEK", static_cast<uint32_t>(0));
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498 if(filename.empty())
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499 return core::frame_producer::empty();
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501 auto loop = params.has(L"LOOP");
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502 auto start = params.get(L"SEEK", static_cast<uint32_t>(0));
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503 auto length = params.get(L"LENGTH", std::numeric_limits<uint32_t>::max());
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504 auto filter_str = params.get(L"FILTER", L"");
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505 auto custom_channel_order = params.get(L"CHANNEL_LAYOUT", L"");
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507 boost::replace_all(filter_str, L"DEINTERLACE", L"YADIF=0:-1");
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508 boost::replace_all(filter_str, L"DEINTERLACE_BOB", L"YADIF=1:-1");
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510 ffmpeg_params vid_params;
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511 vid_params.size_str = params.get(L"SIZE", L"");
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512 vid_params.pixel_format = params.get(L"PIXFMT", L"");
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513 vid_params.frame_rate = params.get(L"FRAMERATE", L"");
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515 return create_producer_destroy_proxy(make_safe<ffmpeg_producer>(frame_factory, filename, resource_type, filter_str, loop, start, length, false, custom_channel_order, vid_params));
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518 safe_ptr<core::frame_producer> create_thumbnail_producer(
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519 const safe_ptr<core::frame_factory>& frame_factory,
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520 const core::parameters& params)
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522 static const std::vector<std::wstring> invalid_exts = boost::assign::list_of
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523 (L".png")(L".tga")(L".bmp")(L".jpg")(L".jpeg")(L".gif")(L".tiff")(L".tif")(L".jp2")(L".jpx")(L".j2k")(L".j2c")(L".swf")(L".ct")
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524 (L".wav")(L".mp3"); // audio shall not have thumbnails
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525 auto filename = probe_stem(env::media_folder() + L"\\" + params.at_original(0), invalid_exts);
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527 if(filename.empty())
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528 return core::frame_producer::empty();
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532 auto length = std::numeric_limits<uint32_t>::max();
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533 auto filter_str = L"";
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535 ffmpeg_params vid_params;
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537 return make_safe<ffmpeg_producer>(frame_factory, filename, FFMPEG_FILE, filter_str, loop, start, length, true, L"", vid_params);
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