#include <boost/foreach.hpp>\r
#include <boost/range/algorithm_ext/push_back.hpp>\r
\r
+#include <agents.h>\r
+#include <ppl.h>\r
+\r
#include <deque>\r
#include <queue>\r
#include <vector>\r
bool frame_muxer::audio_ready() const{return impl_->audio_ready();}\r
int64_t frame_muxer::calc_nb_frames(int64_t nb_frames) const {return impl_->calc_nb_frames(nb_frames);}\r
\r
+\r
+struct frame_muxer2::implementation : public Concurrency::agent, boost::noncopyable\r
+{ \r
+ frame_muxer2::token_t& active_token_;\r
+ frame_muxer2::video_source_t& video_source_;\r
+ frame_muxer2::audio_source_t& audio_source_;\r
+ frame_muxer2::target_t& target_;\r
+\r
+ std::deque<std::queue<safe_ptr<write_frame>>> video_streams_;\r
+ std::deque<core::audio_buffer> audio_streams_;\r
+ std::deque<safe_ptr<basic_frame>> frame_buffer_;\r
+ display_mode::type display_mode_;\r
+ const double in_fps_;\r
+ const video_format_desc format_desc_;\r
+ bool auto_transcode_;\r
+\r
+ size_t audio_sample_count_;\r
+ size_t video_frame_count_;\r
+ \r
+ size_t processed_audio_sample_count_;\r
+ size_t processed_video_frame_count_;\r
+\r
+ filter filter_;\r
+ safe_ptr<core::frame_factory> frame_factory_;\r
+ \r
+ implementation(frame_muxer2::token_t& active_token,\r
+ frame_muxer2::video_source_t& video_source,\r
+ frame_muxer2::audio_source_t& audio_source,\r
+ frame_muxer2::target_t& target,\r
+ double in_fps, \r
+ const safe_ptr<core::frame_factory>& frame_factory)\r
+ : active_token_(active_token)\r
+ , video_source_(video_source)\r
+ , audio_source_(audio_source)\r
+ , target_(target)\r
+ , video_streams_(1)\r
+ , audio_streams_(1)\r
+ , display_mode_(display_mode::invalid)\r
+ , in_fps_(in_fps)\r
+ , format_desc_(frame_factory->get_video_format_desc())\r
+ , auto_transcode_(env::properties().get("configuration.producers.auto-transcode", false))\r
+ , audio_sample_count_(0)\r
+ , video_frame_count_(0)\r
+ , frame_factory_(make_safe<core::concrt_frame_factory>(frame_factory))\r
+ {\r
+ start();\r
+ }\r
+\r
+ ~implementation()\r
+ {\r
+ agent::wait(this);\r
+ }\r
+\r
+ virtual void run()\r
+ {\r
+ try\r
+ {\r
+ while(Concurrency::receive(active_token_))\r
+ {\r
+ Concurrency::parallel_invoke(\r
+ [&]\r
+ {\r
+ while(!video_ready())\r
+ {\r
+ auto video = Concurrency::receive(video_source_);\r
+ if(video == eof_video())\r
+ break;\r
+ push(video, 0); \r
+ }\r
+ },\r
+ [&]\r
+ {\r
+ while(!audio_ready())\r
+ {\r
+ auto audio = Concurrency::receive(audio_source_);\r
+ if(audio == eof_audio())\r
+ break;\r
+ push(audio); \r
+ } \r
+ });\r
+\r
+ if(!video_ready() || !audio_ready())\r
+ {\r
+ Concurrency::send(target_, std::shared_ptr<core::basic_frame>(core::basic_frame::eof()));\r
+ break;\r
+ }\r
+\r
+ commit();\r
+ \r
+ if(!frame_buffer_.empty())\r
+ {\r
+ Concurrency::send(target_, std::shared_ptr<core::basic_frame>(frame_buffer_.front()));\r
+ frame_buffer_.pop_front(); \r
+ }\r
+ }\r
+ }\r
+ catch(...)\r
+ {\r
+ CASPAR_LOG_CURRENT_EXCEPTION();\r
+ }\r
+\r
+ std::shared_ptr<AVFrame> video;\r
+ Concurrency::try_receive(video_source_, video);\r
+ std::shared_ptr<core::audio_buffer> audio;\r
+ Concurrency::try_receive(audio_source_, audio);\r
+ \r
+ done();\r
+ }\r
+\r
+ void push(const std::shared_ptr<AVFrame>& video_frame, int hints)\r
+ { \r
+ if(video_frame == loop_video())\r
+ { \r
+ CASPAR_LOG(debug) << L"video-frame-count: " << static_cast<float>(video_frame_count_);\r
+ video_frame_count_ = 0;\r
+ video_streams_.push_back(std::queue<safe_ptr<write_frame>>());\r
+ return;\r
+ }\r
+\r
+ if(video_frame == empty_video())\r
+ {\r
+ video_streams_.back().push(make_safe<core::write_frame>(this));\r
+ ++video_frame_count_;\r
+ display_mode_ = display_mode::simple;\r
+ return;\r
+ }\r
+\r
+ if(display_mode_ == display_mode::invalid)\r
+ {\r
+ if(auto_transcode_)\r
+ {\r
+ auto in_mode = get_mode(*video_frame);\r
+ display_mode_ = get_display_mode(in_mode, in_fps_, format_desc_.field_mode, format_desc_.fps);\r
+ \r
+ if(display_mode_ == display_mode::simple && in_mode != core::field_mode::progressive && format_desc_.field_mode != core::field_mode::progressive && video_frame->height != static_cast<int>(format_desc_.height))\r
+ display_mode_ = display_mode::deinterlace_bob_reinterlace; // The frame will most likely be scaled, we need to deinterlace->reinterlace \r
+ \r
+ if(display_mode_ == display_mode::deinterlace)\r
+ filter_ = filter(L"YADIF=0:-1");\r
+ else if(display_mode_ == display_mode::deinterlace_bob || display_mode_ == display_mode::deinterlace_bob_reinterlace)\r
+ filter_ = filter(L"YADIF=1:-1");\r
+ }\r
+ else\r
+ display_mode_ = display_mode::simple;\r
+\r
+ if(display_mode_ == display_mode::invalid)\r
+ {\r
+ CASPAR_LOG(warning) << L"[frame_muxer] Failed to detect display-mode.";\r
+ display_mode_ = display_mode::simple;\r
+ }\r
+\r
+ CASPAR_LOG(info) << "[frame_muxer] " << display_mode::print(display_mode_);\r
+ }\r
+\r
+ \r
+ if(hints & core::frame_producer::ALPHA_HINT)\r
+ video_frame->format = make_alpha_format(video_frame->format);\r
+ \r
+ auto format = video_frame->format;\r
+ if(video_frame->format == CASPAR_PIX_FMT_LUMA) // CASPAR_PIX_FMT_LUMA is not valid for filter, change it to GRAY8\r
+ video_frame->format = PIX_FMT_GRAY8;\r
+\r
+ BOOST_FOREACH(auto& av_frame, filter_.execute(video_frame))\r
+ {\r
+ av_frame->format = format;\r
+\r
+ auto frame = make_write_frame(this, av_frame, frame_factory_, hints);\r
+\r
+ // Fix field-order if needed\r
+ if(frame->get_type() == core::field_mode::lower && format_desc_.field_mode == core::field_mode::upper)\r
+ frame->get_frame_transform().fill_translation[1] += 1.0/static_cast<double>(format_desc_.height);\r
+ else if(frame->get_type() == core::field_mode::upper && format_desc_.field_mode == core::field_mode::lower)\r
+ frame->get_frame_transform().fill_translation[1] -= 1.0/static_cast<double>(format_desc_.height);\r
+\r
+ video_streams_.back().push(frame);\r
+ ++video_frame_count_;\r
+ }\r
+\r
+ if(video_streams_.back().size() > 8)\r
+ BOOST_THROW_EXCEPTION(invalid_operation() << source_info("frame_muxer") << msg_info("video-stream overflow. This can be caused by incorrect frame-rate. Check clip meta-data."));\r
+ }\r
+\r
+ void push(std::shared_ptr<core::audio_buffer> audio_samples)\r
+ {\r
+ if(audio_samples == loop_audio()) \r
+ {\r
+ CASPAR_LOG(debug) << L"audio-chunk-count: " << audio_sample_count_/format_desc_.audio_samples_per_frame;\r
+ audio_streams_.push_back(core::audio_buffer());\r
+ audio_sample_count_ = 0;\r
+ return;\r
+ }\r
+\r
+ if(audio_samples == empty_audio()) \r
+ audio_samples = std::make_shared<core::audio_buffer>(format_desc_.audio_samples_per_frame); \r
+\r
+ audio_sample_count_ += audio_samples->size();\r
+\r
+ boost::range::push_back(audio_streams_.back(), *audio_samples);\r
+\r
+ if(audio_streams_.back().size() > 8*format_desc_.audio_samples_per_frame)\r
+ BOOST_THROW_EXCEPTION(invalid_operation() << source_info("frame_muxer") << msg_info("audio-stream overflow. This can be caused by incorrect frame-rate. Check clip meta-data."));\r
+ }\r
+ \r
+ size_t size() const\r
+ {\r
+ return frame_buffer_.size();\r
+ }\r
+\r
+ safe_ptr<core::write_frame> pop_video()\r
+ {\r
+ auto frame = video_streams_.front().front();\r
+ video_streams_.front().pop();\r
+ \r
+ return frame;\r
+ }\r
+\r
+ core::audio_buffer pop_audio()\r
+ {\r
+ CASPAR_VERIFY(audio_streams_.front().size() >= format_desc_.audio_samples_per_frame);\r
+\r
+ auto begin = audio_streams_.front().begin();\r
+ auto end = begin + format_desc_.audio_samples_per_frame;\r
+\r
+ auto samples = core::audio_buffer(begin, end);\r
+ audio_streams_.front().erase(begin, end);\r
+\r
+ return samples;\r
+ }\r
+ \r
+ bool video_ready() const\r
+ { \r
+ return video_streams_.size() > 1 || (video_streams_.size() >= audio_streams_.size() && video_ready2());\r
+ }\r
+ \r
+ bool audio_ready() const\r
+ {\r
+ return audio_streams_.size() > 1 || (audio_streams_.size() >= video_streams_.size() && audio_ready2());\r
+ }\r
+\r
+ bool video_ready2() const\r
+ { \r
+ switch(display_mode_)\r
+ {\r
+ case display_mode::deinterlace_bob_reinterlace: \r
+ case display_mode::interlace: \r
+ return video_streams_.front().size() >= 2;\r
+ default: \r
+ return !video_streams_.front().empty();\r
+ }\r
+ }\r
+ \r
+ bool audio_ready2() const\r
+ {\r
+ switch(display_mode_)\r
+ {\r
+ case display_mode::duplicate: \r
+ return audio_streams_.front().size()/2 >= format_desc_.audio_samples_per_frame;\r
+ default: \r
+ return audio_streams_.front().size() >= format_desc_.audio_samples_per_frame;\r
+ }\r
+ }\r
+ \r
+ void commit()\r
+ {\r
+ if(video_streams_.size() > 1 && audio_streams_.size() > 1 && (!video_ready2() || !audio_ready2()))\r
+ {\r
+ if(!video_streams_.front().empty() || !audio_streams_.front().empty())\r
+ CASPAR_LOG(debug) << "Truncating: " << video_streams_.front().size() << L" video-frames, " << audio_streams_.front().size() << L" audio-samples.";\r
+\r
+ video_streams_.pop_front();\r
+ audio_streams_.pop_front();\r
+ }\r
+\r
+ if(!video_ready2() || !audio_ready2())\r
+ return;\r
+ \r
+ switch(display_mode_)\r
+ {\r
+ case display_mode::simple: return simple(frame_buffer_);\r
+ case display_mode::duplicate: return duplicate(frame_buffer_);\r
+ case display_mode::half: return half(frame_buffer_);\r
+ case display_mode::interlace: return interlace(frame_buffer_);\r
+ case display_mode::deinterlace_bob: return simple(frame_buffer_);\r
+ case display_mode::deinterlace_bob_reinterlace: return interlace(frame_buffer_);\r
+ case display_mode::deinterlace: return simple(frame_buffer_);\r
+ default: BOOST_THROW_EXCEPTION(invalid_operation() << msg_info("invalid display-mode"));\r
+ }\r
+ }\r
+ \r
+ void simple(std::deque<safe_ptr<basic_frame>>& dest)\r
+ { \r
+ auto frame1 = pop_video();\r
+ frame1->audio_data() = pop_audio();\r
+\r
+ dest.push_back(frame1); \r
+ }\r
+\r
+ void duplicate(std::deque<safe_ptr<basic_frame>>& dest)\r
+ { \r
+ auto frame = pop_video();\r
+\r
+ auto frame1 = make_safe<core::write_frame>(*frame); // make a copy\r
+ frame1->audio_data() = pop_audio();\r
+\r
+ auto frame2 = frame;\r
+ frame2->audio_data() = pop_audio();\r
+\r
+ dest.push_back(frame1);\r
+ dest.push_back(frame2);\r
+ }\r
+\r
+ void half(std::deque<safe_ptr<basic_frame>>& dest)\r
+ { \r
+ auto frame1 = pop_video();\r
+ frame1->audio_data() = pop_audio();\r
+ \r
+ video_streams_.front().pop(); // Throw away\r
+\r
+ dest.push_back(frame1);\r
+ }\r
+ \r
+ void interlace(std::deque<safe_ptr<basic_frame>>& dest)\r
+ { \r
+ auto frame1 = pop_video();\r
+ frame1->audio_data() = pop_audio();\r
+ \r
+ auto frame2 = pop_video();\r
+\r
+ dest.push_back(core::basic_frame::interlace(frame1, frame2, format_desc_.field_mode)); \r
+ }\r
+ \r
+ int64_t calc_nb_frames(int64_t nb_frames) const\r
+ {\r
+ switch(display_mode_)\r
+ {\r
+ case display_mode::interlace:\r
+ case display_mode::half:\r
+ return nb_frames/2;\r
+ case display_mode::duplicate:\r
+ case display_mode::deinterlace_bob:\r
+ return nb_frames*2;\r
+ default:\r
+ return nb_frames;\r
+ }\r
+ }\r
+};\r
+\r
+frame_muxer2::frame_muxer2(token_t& active_token,\r
+ video_source_t& video_source, \r
+ audio_source_t& audio_source,\r
+ target_t& target,\r
+ double in_fps, \r
+ const safe_ptr<core::frame_factory>& frame_factory)\r
+ : impl_(new implementation(active_token, video_source, audio_source, target, in_fps, frame_factory))\r
+{\r
+}\r
+int64_t frame_muxer2::calc_nb_frames(int64_t nb_frames) const\r
+{\r
+ return impl_->calc_nb_frames(nb_frames);\r
+}\r
+\r
}}
\ No newline at end of file
projects / casparcg / blobdiff