\r
#include "ffmpeg_producer.h"\r
\r
+#include "frame_muxer.h"\r
#include "input.h"\r
#include "audio/audio_decoder.h"\r
#include "video/video_decoder.h"\r
\r
+#include <common/utility/assert.h>\r
#include <common/utility/timer.h>\r
#include <common/diagnostics/graph.h>\r
\r
-#include <core/producer/frame/basic_frame.h>\r
-#include <core/producer/frame/write_frame.h>\r
-#include <core/producer/frame/audio_transform.h>\r
+#include <core/mixer/write_frame.h>\r
#include <core/video_format.h>\r
+#include <core/producer/frame/audio_transform.h>\r
+#include <core/producer/frame/basic_frame.h>\r
+#include <core/producer/color/color_producer.h>\r
\r
#include <common/env.h>\r
-#include <common/utility/timer.h>\r
-#include <common/utility/assert.h>\r
-\r
-#include <tbb/parallel_invoke.h>\r
\r
#include <boost/timer.hpp>\r
+#include <boost/range/algorithm.hpp>\r
+#include <boost/range/algorithm_ext.hpp>\r
+\r
+#include <tbb/task_group.h>\r
\r
#include <deque>\r
-#include <functional>\r
+#include <vector>\r
\r
namespace caspar {\r
- \r
+ \r
struct ffmpeg_producer : public core::frame_producer\r
{\r
- const std::wstring filename_;\r
- const bool loop_;\r
+ const std::wstring filename_;\r
\r
- std::shared_ptr<diagnostics::graph> graph_;\r
- boost::timer perf_timer_;\r
- \r
- std::unique_ptr<audio_decoder> audio_decoder_;\r
- std::unique_ptr<video_decoder> video_decoder_;\r
+ const safe_ptr<diagnostics::graph> graph_;\r
+ boost::timer frame_timer_;\r
+ \r
+ const safe_ptr<core::frame_factory> frame_factory_;\r
+ const core::video_format_desc format_desc_;\r
\r
- std::deque<safe_ptr<core::write_frame>> video_frame_channel_; \r
- std::deque<std::vector<short>> audio_chunk_channel_;\r
+ input input_; \r
+ video_decoder video_decoder_;\r
+ audio_decoder audio_decoder_;\r
\r
- std::queue<safe_ptr<core::basic_frame>> ouput_channel_;\r
- \r
- safe_ptr<core::basic_frame> last_frame_;\r
- std::shared_ptr<core::frame_factory> frame_factory_;\r
+ std::queue<safe_ptr<core::basic_frame>> output_buffer_;\r
+\r
+ frame_muxer muxer_;\r
+ \r
+ tbb::task_group tasks_;\r
\r
- std::unique_ptr<input> input_; \r
public:\r
- explicit ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, bool loop) \r
+ explicit ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, const std::wstring& filter, bool loop, int start, int length) \r
: filename_(filename)\r
- , loop_(loop) \r
- , last_frame_(core::basic_frame(core::basic_frame::empty()))\r
+ , graph_(diagnostics::create_graph(narrow(print())))\r
, frame_factory_(frame_factory) \r
+ , format_desc_(frame_factory->get_video_format_desc())\r
+ , input_(safe_ptr<diagnostics::graph>(graph_), filename_, loop, start, length)\r
+ , video_decoder_(input_.context(), frame_factory, filter)\r
+ , audio_decoder_(input_.context(), frame_factory->get_video_format_desc())\r
+ , muxer_(video_decoder_.fps(), format_desc_, frame_factory)\r
{\r
- graph_ = diagnostics::create_graph(boost::bind(&ffmpeg_producer::print, this)); \r
graph_->add_guide("frame-time", 0.5);\r
- graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
+ graph_->set_color("frame-time", diagnostics::color(1.0f, 0.0f, 0.0f));\r
graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f)); \r
+ \r
+ for(int n = 0; n < 128 && muxer_.size() < 2; ++n)\r
+ decode_frame();\r
+ }\r
\r
- input_.reset(new input(safe_ptr<diagnostics::graph>(graph_), filename_, loop_));\r
- video_decoder_.reset(input_->get_video_codec_context().get() ? new video_decoder(input_->get_video_codec_context().get(), frame_factory) : nullptr);\r
- audio_decoder_.reset(input_->get_audio_codec_context().get() ? new audio_decoder(input_->get_audio_codec_context().get(), frame_factory->get_video_format_desc().fps) : nullptr);\r
-\r
- double frame_time = 1.0f/input_->fps();\r
- double format_frame_time = 1.0/frame_factory->get_video_format_desc().fps;\r
- if(abs(frame_time - format_frame_time) > 0.0001)\r
- CASPAR_LOG(warning) << print() << L" Invalid framerate detected. This may cause distorted audio during playback. frame-time: " << frame_time;\r
+ ~ffmpeg_producer()\r
+ {\r
+ tasks_.cancel();\r
+ tasks_.wait();\r
}\r
- \r
+\r
virtual safe_ptr<core::basic_frame> receive()\r
{\r
- perf_timer_.restart();\r
-\r
- while(ouput_channel_.size() < 2 && !input_->is_eof())\r
+ if(output_buffer_.empty())\r
{ \r
- aligned_buffer video_packet;\r
- if(video_frame_channel_.size() < 3 && video_decoder_) \r
- video_packet = input_->get_video_packet(); \r
- \r
- aligned_buffer audio_packet;\r
- if(audio_chunk_channel_.size() < 3 && audio_decoder_) \r
- audio_packet = input_->get_audio_packet(); \r
+ //tasks_.wait();\r
\r
- if(video_packet.empty() && audio_packet.empty()) // Skip frame if lagging. \r
- break;\r
+ while(muxer_.size() > 0)\r
+ output_buffer_.push(muxer_.pop());\r
\r
- tbb::parallel_invoke(\r
- [&]\r
- {\r
- if(!video_packet.empty() && video_decoder_) // Video Decoding.\r
- {\r
- try\r
- {\r
- auto frame = video_decoder_->execute(this, video_packet);\r
- video_frame_channel_.push_back(std::move(frame));\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- video_decoder_.reset();\r
- CASPAR_LOG(warning) << print() << " removed video-stream.";\r
- }\r
- }\r
- }, \r
- [&] \r
- { \r
- if(!audio_packet.empty() && audio_decoder_) // Audio Decoding.\r
- {\r
- try\r
- {\r
- auto chunks = audio_decoder_->execute(audio_packet);\r
- audio_chunk_channel_.insert(audio_chunk_channel_.end(), chunks.begin(), chunks.end());\r
- }\r
- catch(...)\r
- {\r
- CASPAR_LOG_CURRENT_EXCEPTION();\r
- audio_decoder_.reset();\r
- CASPAR_LOG(warning) << print() << " removed audio-stream.";\r
- }\r
- }\r
- });\r
-\r
- while((!video_frame_channel_.empty() || !video_decoder_) && (!audio_chunk_channel_.empty() || !audio_decoder_))\r
- {\r
- std::shared_ptr<core::write_frame> frame;\r
-\r
- if(video_decoder_)\r
- {\r
- frame = video_frame_channel_.front();\r
- video_frame_channel_.pop_front();\r
- }\r
-\r
- if(audio_decoder_) \r
- {\r
- if(!frame) // If there is no video create a dummy frame.\r
- {\r
- frame = frame_factory_->create_frame(this, 1, 1);\r
- std::fill(frame->image_data().begin(), frame->image_data().end(), 0);\r
- }\r
- \r
- frame->audio_data() = std::move(audio_chunk_channel_.front());\r
- audio_chunk_channel_.pop_front();\r
- }\r
- else\r
- frame->get_audio_transform().set_has_audio(false);\r
- \r
- ouput_channel_.push(make_safe(frame)); \r
- } \r
-\r
- if(ouput_channel_.empty() && video_packet.empty() && audio_packet.empty()) \r
- return last_frame_; \r
+ //tasks_.run([=]\r
+ //{\r
+ frame_timer_.restart();\r
+\r
+ for(int n = 0; n < 64 && muxer_.empty(); ++n)\r
+ decode_frame();\r
+\r
+ graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
+ //});\r
}\r
\r
- graph_->update_value("frame-time", static_cast<float>(perf_timer_.elapsed()*frame_factory_->get_video_format_desc().fps*0.5));\r
-\r
- auto result = last_frame_;\r
- if(!ouput_channel_.empty()) \r
- result = get_frame(); // TODO: Support 50p \r
- else if(!input_->is_running())\r
- result = core::basic_frame::eof();\r
+ auto frame = core::basic_frame::late();\r
+\r
+ if(output_buffer_.empty())\r
+ {\r
+ if(input_.eof())\r
+ frame = core::basic_frame::eof();\r
+ else\r
+ graph_->add_tag("underflow"); \r
+ }\r
else\r
- graph_->add_tag("underflow");\r
+ {\r
+ frame = output_buffer_.front();\r
+ output_buffer_.pop();\r
+ }\r
\r
- return result;\r
+ return frame;\r
}\r
\r
- core::basic_frame get_frame()\r
+ void decode_frame()\r
{\r
- CASPAR_ASSERT(!ouput_channel_.empty());\r
- auto result = std::move(ouput_channel_.front());\r
- last_frame_ = core::basic_frame(result);\r
- last_frame_->get_audio_transform().set_gain(0.0); // last_frame should not have audio\r
- ouput_channel_.pop();\r
- return result;\r
- }\r
+ for(int n = 0; n < 32 && ((muxer_.video_frames() < 2 && !video_decoder_.ready()) || (muxer_.audio_chunks() < 2 && !audio_decoder_.ready())); ++n) \r
+ {\r
+ std::shared_ptr<AVPacket> pkt;\r
+ if(input_.try_pop(pkt))\r
+ {\r
+ video_decoder_.push(pkt);\r
+ audio_decoder_.push(pkt);\r
+ }\r
+ }\r
+\r
+ decltype(video_decoder_.poll()) video_frames;\r
+ decltype(audio_decoder_.poll()) audio_samples;\r
+ \r
+ tbb::parallel_invoke(\r
+ [&]\r
+ {\r
+ if(muxer_.video_frames() < 2)\r
+ video_frames = video_decoder_.poll();\r
+ },\r
+ [&]\r
+ {\r
+ if(muxer_.audio_chunks() < 2)\r
+ audio_samples = audio_decoder_.poll();\r
+ });\r
+ \r
+ BOOST_FOREACH(auto& audio, audio_samples)\r
+ muxer_.push(audio);\r
\r
+ BOOST_FOREACH(auto& video, video_frames)\r
+ muxer_.push(video); \r
+ }\r
+ \r
virtual std::wstring print() const\r
{\r
return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"]";\r
(L"mpg")(L"mpeg")(L"avi")(L"mov")(L"qt")(L"webm")(L"dv")(L"mp4")(L"f4v")(L"flv")(L"mkv")(L"mka")(L"wmv")(L"wma")(L"ogg")(L"divx")(L"xvid")(L"wav")(L"mp3")(L"m2v");\r
std::wstring filename = env::media_folder() + L"\\" + params[0];\r
\r
- auto ext = std::find_if(extensions.begin(), extensions.end(), [&](const std::wstring& ex) -> bool\r
- { \r
- return boost::filesystem::is_regular_file(boost::filesystem::wpath(filename).replace_extension(ex));\r
- });\r
+ auto ext = boost::find_if(extensions, [&](const std::wstring& ex)\r
+ { \r
+ return boost::filesystem::is_regular_file(boost::filesystem::wpath(filename + L"." + ex));\r
+ });\r
\r
if(ext == extensions.end())\r
return core::frame_producer::empty();\r
\r
std::wstring path = filename + L"." + *ext;\r
- bool loop = std::find(params.begin(), params.end(), L"LOOP") != params.end();\r
+ bool loop = boost::find(params, L"LOOP") != params.end();\r
+\r
+ int start = -1;\r
+ int length = -1;\r
\r
- return make_safe<ffmpeg_producer>(frame_factory, path, loop);\r
+ auto seek_it = std::find(params.begin(), params.end(), L"SEEK");\r
+ if(seek_it != params.end())\r
+ {\r
+ if(++seek_it != params.end())\r
+ start = boost::lexical_cast<int>(*seek_it);\r
+ }\r
+\r
+ std::wstring filter = L"";\r
+ auto filter_it = std::find(params.begin(), params.end(), L"FILTER");\r
+ if(filter_it != params.end())\r
+ {\r
+ if(++filter_it != params.end())\r
+ filter = *filter_it;\r
+ }\r
+\r
+ return make_safe<ffmpeg_producer>(frame_factory, path, filter, loop, start, length);\r
}\r
\r
}
\ No newline at end of file