-/*\r
-* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
-*\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
-*\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 "frame_muxer.h"\r
-\r
-#include "../filter/filter.h"\r
-#include "../util/util.h"\r
-\r
-#include <core/producer/frame_producer.h>\r
-#include <core/producer/frame/basic_frame.h>\r
-#include <core/producer/frame/frame_transform.h>\r
-#include <core/producer/frame/pixel_format.h>\r
-#include <core/producer/frame/frame_factory.h>\r
-#include <core/mixer/write_frame.h>\r
-\r
-#include <common/env.h>\r
-#include <common/exception/exceptions.h>\r
-#include <common/log/log.h>\r
-\r
-#if defined(_MSC_VER)\r
-#pragma warning (push)\r
-#pragma warning (disable : 4244)\r
-#endif\r
-extern "C" \r
-{\r
- #define __STDC_CONSTANT_MACROS\r
- #define __STDC_LIMIT_MACROS\r
- #include <libavcodec/avcodec.h>\r
- #include <libavformat/avformat.h>\r
-}\r
-#if defined(_MSC_VER)\r
-#pragma warning (pop)\r
-#endif\r
-\r
-#include <boost/foreach.hpp>\r
-#include <boost/range/algorithm_ext/push_back.hpp>\r
-#include <boost/algorithm/string/predicate.hpp>\r
-\r
-#include <deque>\r
-#include <queue>\r
-#include <vector>\r
-\r
-using namespace caspar::core;\r
-\r
-namespace caspar { namespace ffmpeg {\r
- \r
-struct frame_muxer::implementation : boost::noncopyable\r
-{ \r
- std::queue<std::queue<safe_ptr<write_frame>>> video_streams_;\r
- std::queue<core::audio_buffer> audio_streams_;\r
- std::queue<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
- bool auto_deinterlace_;\r
- \r
- std::vector<size_t> audio_cadence_;\r
- \r
- safe_ptr<core::frame_factory> frame_factory_;\r
- \r
- filter filter_;\r
- const std::wstring filter_str_;\r
- bool force_deinterlacing_;\r
- display_mode::type force_deinterlacing_mode_;\r
- \r
- implementation(double in_fps, const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filter_str, display_mode::type force_deinterlacing_mode)\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(L"configuration.auto-transcode", true))\r
- , auto_deinterlace_(env::properties().get(L"configuration.auto-deinterlace", true))\r
- , audio_cadence_(format_desc_.audio_cadence)\r
- , frame_factory_(frame_factory)\r
- , filter_str_(filter_str)\r
- , force_deinterlacing_(false)\r
- , force_deinterlacing_mode_(force_deinterlacing_mode)\r
- {\r
- video_streams_.push(std::queue<safe_ptr<write_frame>>());\r
- audio_streams_.push(core::audio_buffer());\r
- boost::range::sort(audio_cadence_);\r
- boost::range::reverse(audio_cadence_);\r
- }\r
-\r
- void push(const std::shared_ptr<AVFrame>& video_frame, int hints)\r
- { \r
- if(!video_frame)\r
- return;\r
- \r
- if(video_frame == flush_video())\r
- { \r
- video_streams_.push(std::queue<safe_ptr<write_frame>>());\r
- }\r
- else if(video_frame == empty_video())\r
- {\r
- video_streams_.back().push(make_safe<core::write_frame>(this));\r
- display_mode_ = display_mode::simple;\r
- }\r
- else\r
- {\r
- if(display_mode_ == display_mode::invalid)\r
- update_display_mode(video_frame);\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
- filter_.push(video_frame);\r
- BOOST_FOREACH(auto& av_frame, filter_.poll_all())\r
- {\r
- if(video_frame->format == PIX_FMT_GRAY8 && format == CASPAR_PIX_FMT_LUMA)\r
- av_frame->format = format;\r
-\r
- video_streams_.back().push(make_write_frame(this, av_frame, frame_factory_, hints));\r
- }\r
- }\r
-\r
- if(video_streams_.back().size() > 32)\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(const std::shared_ptr<core::audio_buffer>& audio)\r
- {\r
- if(!audio) \r
- return;\r
-\r
- if(audio == flush_audio())\r
- {\r
- audio_streams_.push(core::audio_buffer());\r
- }\r
- else if(audio == empty_audio())\r
- {\r
- boost::range::push_back(audio_streams_.back(), core::audio_buffer(audio_cadence_.front(), 0));\r
- }\r
- else\r
- {\r
- boost::range::push_back(audio_streams_.back(), *audio);\r
- }\r
-\r
- if(audio_streams_.back().size() > 32*audio_cadence_.front())\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
- 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
- case display_mode::half:\r
- return video_streams_.front().size() >= 2;\r
- default: \r
- return video_streams_.front().size() >= 1;\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 >= audio_cadence_.front();\r
- default: \r
- return audio_streams_.front().size() >= audio_cadence_.front();\r
- }\r
- }\r
- \r
- std::shared_ptr<basic_frame> poll()\r
- {\r
- if(!frame_buffer_.empty())\r
- {\r
- auto frame = frame_buffer_.front();\r
- frame_buffer_.pop(); \r
- return frame;\r
- }\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(trace) << "Truncating: " << video_streams_.front().size() << L" video-frames, " << audio_streams_.front().size() << L" audio-samples.";\r
-\r
- video_streams_.pop();\r
- audio_streams_.pop();\r
- }\r
-\r
- if(!video_ready2() || !audio_ready2() || display_mode_ == display_mode::invalid)\r
- return nullptr;\r
- \r
- auto frame1 = pop_video();\r
- frame1->audio_data() = pop_audio();\r
-\r
- switch(display_mode_)\r
- {\r
- case display_mode::simple: \r
- case display_mode::deinterlace_bob: \r
- case display_mode::deinterlace: \r
- {\r
- frame_buffer_.push(frame1);\r
- break;\r
- }\r
- case display_mode::interlace: \r
- case display_mode::deinterlace_bob_reinterlace: \r
- { \r
- auto frame2 = pop_video();\r
-\r
- frame_buffer_.push(core::basic_frame::interlace(frame1, frame2, format_desc_.field_mode)); \r
- break;\r
- }\r
- case display_mode::duplicate: \r
- {\r
- auto frame2 = make_safe<core::write_frame>(*frame1);\r
- frame2->audio_data() = pop_audio();\r
-\r
- frame_buffer_.push(frame1);\r
- frame_buffer_.push(frame2);\r
- break;\r
- }\r
- case display_mode::half: \r
- { \r
- pop_video(); // Throw away\r
-\r
- frame_buffer_.push(frame1);\r
- break;\r
- }\r
- }\r
- \r
- return frame_buffer_.empty() ? nullptr : poll();\r
- }\r
- \r
- safe_ptr<core::write_frame> pop_video()\r
- {\r
- auto frame = video_streams_.front().front();\r
- video_streams_.front().pop(); \r
- return frame;\r
- }\r
-\r
- core::audio_buffer pop_audio()\r
- {\r
- CASPAR_VERIFY(audio_streams_.front().size() >= audio_cadence_.front());\r
-\r
- auto begin = audio_streams_.front().begin();\r
- auto end = begin + audio_cadence_.front();\r
-\r
- core::audio_buffer samples(begin, end);\r
- audio_streams_.front().erase(begin, end);\r
- \r
- boost::range::rotate(audio_cadence_, std::begin(audio_cadence_)+1);\r
-\r
- return samples;\r
- }\r
- \r
- void update_display_mode(const std::shared_ptr<AVFrame>& frame)\r
- {\r
- std::wstring filter_str = filter_str_;\r
-\r
- display_mode_ = display_mode::simple;\r
- if(auto_transcode_)\r
- {\r
- auto mode = get_mode(*frame);\r
- auto fps = in_fps_;\r
-\r
- if(filter::is_deinterlacing(filter_str_))\r
- mode = core::field_mode::progressive;\r
-\r
- if(filter::is_double_rate(filter_str_))\r
- fps *= 2;\r
- \r
- display_mode_ = get_display_mode(mode, fps, format_desc_.field_mode, format_desc_.fps);\r
- \r
- if((frame->height != 480 || format_desc_.height != 486) && // don't deinterlace for NTSC DV\r
- display_mode_ == display_mode::simple && mode != core::field_mode::progressive && format_desc_.field_mode != core::field_mode::progressive && \r
- frame->height != static_cast<int>(format_desc_.height))\r
- {\r
- display_mode_ = display_mode::deinterlace_bob_reinterlace; // The frame will most likely be scaled, we need to deinterlace->reinterlace \r
- }\r
-\r
- if(force_deinterlacing_ && mode != core::field_mode::progressive && display_mode_ != display_mode::deinterlace && display_mode_ != display_mode::deinterlace_bob) \r
- { \r
- if(force_deinterlacing_mode_ == display_mode::deinterlace)\r
- CASPAR_LOG(warning) << L"[frame_muxer] Forcing non bob deinterlacing.";\r
- display_mode_ = force_deinterlacing_mode_;\r
- }\r
-\r
- if(display_mode_ == display_mode::deinterlace)\r
- filter_str = append_filter(filter_str, L"YADIF=0:-1");\r
- else if(display_mode_ == display_mode::deinterlace_bob || display_mode_ == display_mode::deinterlace_bob_reinterlace)\r
- filter_str = append_filter(filter_str, L"YADIF=1:-1");\r
- }\r
-\r
- if(display_mode_ == display_mode::invalid)\r
- {\r
- CASPAR_LOG(warning) << L"[frame_muxer] Auto-transcode: Failed to detect display-mode.";\r
- display_mode_ = display_mode::simple;\r
- }\r
- \r
- if(!boost::iequals(filter_.filter_str(), filter_str))\r
- {\r
- for(int n = 0; n < filter_.delay(); ++n)\r
- {\r
- filter_.push(frame);\r
- auto av_frame = filter_.poll();\r
- if(av_frame) \r
- video_streams_.back().push(make_write_frame(this, make_safe_ptr(av_frame), frame_factory_, 0));\r
- }\r
- filter_ = filter(filter_str);\r
- CASPAR_LOG(info) << "[frame_muxer] " << display_mode::print(display_mode_) << L" " << print_mode(frame->width, frame->height, in_fps_, frame->interlaced_frame > 0);\r
- }\r
- }\r
-\r
- void force_deinterlacing(bool value)\r
- {\r
- if(!auto_deinterlace_ || value == force_deinterlacing_)\r
- return;\r
-\r
- force_deinterlacing_ = value;\r
- display_mode_ = display_mode::invalid;\r
- }\r
-\r
- uint32_t calc_nb_frames(uint32_t nb_frames) const\r
- {\r
- uint64_t nb_frames2 = nb_frames;\r
-\r
- switch(display_mode_) // Take into account transformation in run.\r
- {\r
- case display_mode::deinterlace_bob_reinterlace:\r
- case display_mode::interlace: \r
- case display_mode::half:\r
- nb_frames2 /= 2;\r
- break;\r
- case display_mode::duplicate:\r
- nb_frames2 *= 2;\r
- break;\r
- }\r
-\r
- if(filter_.is_double_rate()) // Take into account transformations in filter.\r
- nb_frames2 *= 2;\r
-\r
- return static_cast<uint32_t>(nb_frames2);\r
- }\r
-};\r
-\r
-frame_muxer::frame_muxer(double in_fps, const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filter, display_mode::type force_deinterlacing_mode)\r
- : impl_(new implementation(in_fps, frame_factory, filter, force_deinterlacing_mode)){}\r
-void frame_muxer::push(const std::shared_ptr<AVFrame>& video_frame, int hints){impl_->push(video_frame, hints);}\r
-void frame_muxer::push(const std::shared_ptr<core::audio_buffer>& audio_samples){return impl_->push(audio_samples);}\r
-std::shared_ptr<basic_frame> frame_muxer::poll(){return impl_->poll();}\r
-uint32_t frame_muxer::calc_nb_frames(uint32_t nb_frames) const {return impl_->calc_nb_frames(nb_frames);}\r
-bool frame_muxer::video_ready() const{return impl_->video_ready();}\r
-bool frame_muxer::audio_ready() const{return impl_->audio_ready();}\r
-void frame_muxer::force_deinterlacing(bool value){impl_->force_deinterlacing(value);}\r
-\r
+/*
+* Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
+*
+* This file is part of CasparCG (www.casparcg.com).
+*
+* CasparCG is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* CasparCG is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
+*
+* Author: Robert Nagy, ronag89@gmail.com
+*/
+
+#include "../../StdAfx.h"
+
+#include "frame_muxer.h"
+
+#include "../filter/filter.h"
+#include "../util/util.h"
+
+#include <core/producer/frame_producer.h>
+#include <core/frame/draw_frame.h>
+#include <core/frame/frame_transform.h>
+#include <core/frame/pixel_format.h>
+#include <core/frame/frame_factory.h>
+#include <core/frame/frame.h>
+#include <core/frame/audio_channel_layout.h>
+
+#include <common/env.h>
+#include <common/except.h>
+#include <common/log.h>
+
+#if defined(_MSC_VER)
+#pragma warning (push)
+#pragma warning (disable : 4244)
+#endif
+extern "C"
+{
+ #define __STDC_CONSTANT_MACROS
+ #define __STDC_LIMIT_MACROS
+ #include <libavcodec/avcodec.h>
+ #include <libavformat/avformat.h>
+}
+#if defined(_MSC_VER)
+#pragma warning (pop)
+#endif
+
+#include <common/assert.h>
+#include <boost/range/algorithm_ext/push_back.hpp>
+#include <boost/algorithm/string/predicate.hpp>
+
+#include <deque>
+#include <queue>
+#include <vector>
+
+using namespace caspar::core;
+
+namespace caspar { namespace ffmpeg {
+
+bool is_frame_format_changed(const AVFrame& lhs, const AVFrame& rhs)
+{
+ if (lhs.format != rhs.format)
+ return true;
+
+ for (int i = 0; i < AV_NUM_DATA_POINTERS; ++i)
+ {
+ if (lhs.linesize[i] != rhs.linesize[i])
+ return true;
+ }
+
+ return false;
+}
+
+struct frame_muxer::impl : boost::noncopyable
+{
+ std::queue<core::mutable_frame> video_stream_;
+ core::mutable_audio_buffer audio_stream_;
+ std::queue<draw_frame> frame_buffer_;
+ display_mode display_mode_ = display_mode::invalid;
+ const double in_fps_;
+ const video_format_desc format_desc_;
+ audio_channel_layout channel_layout_;
+
+ std::vector<int> audio_cadence_ = format_desc_.audio_cadence;
+
+ spl::shared_ptr<core::frame_factory> frame_factory_;
+ std::shared_ptr<AVFrame> previous_frame_;
+
+ std::unique_ptr<filter> filter_;
+ const std::wstring filter_str_;
+ bool force_deinterlacing_ = env::properties().get(L"configuration.force-deinterlace", true);
+
+ impl(
+ double in_fps,
+ const spl::shared_ptr<core::frame_factory>& frame_factory,
+ const core::video_format_desc& format_desc,
+ const core::audio_channel_layout& channel_layout,
+ const std::wstring& filter_str)
+ : in_fps_(in_fps)
+ , format_desc_(format_desc)
+ , channel_layout_(channel_layout)
+ , frame_factory_(frame_factory)
+ , filter_str_(filter_str)
+ {
+ // Note: Uses 1 step rotated cadence for 1001 modes (1602, 1602, 1601, 1602, 1601)
+ // This cadence fills the audio mixer most optimally.
+ boost::range::rotate(audio_cadence_, std::end(audio_cadence_)-1);
+ }
+
+ void push_video(const std::shared_ptr<AVFrame>& video)
+ {
+ if(!video)
+ return;
+
+ if (previous_frame_ && video->data[0] && is_frame_format_changed(*previous_frame_, *video))
+ {
+ // Fixes bug where avfilter crashes server on some DV files (starts in YUV420p but changes to YUV411p after the first frame).
+ CASPAR_LOG(info) << L"[frame_muxer] Frame format has changed. Resetting display mode.";
+ display_mode_ = display_mode::invalid;
+ }
+
+ if(!video->data[0])
+ {
+ auto empty_frame = frame_factory_->create_frame(this, core::pixel_format_desc(core::pixel_format::invalid), channel_layout_);
+ video_stream_.push(std::move(empty_frame));
+ display_mode_ = display_mode::simple;
+ }
+ else
+ {
+ if(!filter_ || display_mode_ == display_mode::invalid)
+ update_display_mode(video);
+
+ filter_->push(video);
+ previous_frame_ = video;
+ for (auto& av_frame : filter_->poll_all())
+ video_stream_.push(make_frame(this, av_frame, format_desc_.fps, *frame_factory_, channel_layout_));
+ }
+
+ merge();
+ }
+
+ void push_audio(const std::shared_ptr<AVFrame>& audio)
+ {
+ if(!audio)
+ return;
+
+ if(!audio->data[0])
+ {
+ if (channel_layout_ == core::audio_channel_layout::invalid())
+ channel_layout_ = *core::audio_channel_layout_repository::get_default()->get_layout(L"stereo");
+
+ boost::range::push_back(audio_stream_, core::mutable_audio_buffer(audio_cadence_.front() * channel_layout_.num_channels, 0));
+ }
+ else
+ {
+ auto ptr = reinterpret_cast<int32_t*>(audio->data[0]);
+ audio_stream_.insert(audio_stream_.end(), ptr, ptr + audio->linesize[0]/sizeof(int32_t));
+ }
+
+ merge();
+ }
+
+ bool video_ready() const
+ {
+ switch(display_mode_)
+ {
+ case display_mode::deinterlace_bob_reinterlace:
+ case display_mode::interlace:
+ case display_mode::half:
+ return video_stream_.size() >= 2;
+ default:
+ return video_stream_.size() >= 1;
+ }
+ }
+
+ bool audio_ready() const
+ {
+ switch(display_mode_)
+ {
+ case display_mode::duplicate:
+ return audio_stream_.size() >= static_cast<size_t>(audio_cadence_[0] + audio_cadence_[1 % audio_cadence_.size()]) * channel_layout_.num_channels;
+ default:
+ return audio_stream_.size() >= static_cast<size_t>(audio_cadence_.front()) * channel_layout_.num_channels;
+ }
+ }
+
+ bool empty() const
+ {
+ return frame_buffer_.empty();
+ }
+
+ core::draw_frame front() const
+ {
+ return frame_buffer_.front();
+ }
+
+ void pop()
+ {
+ frame_buffer_.pop();
+ }
+
+ void merge()
+ {
+ while(video_ready() && audio_ready() && display_mode_ != display_mode::invalid)
+ {
+ auto frame1 = pop_video();
+ frame1.audio_data() = pop_audio();
+
+ switch(display_mode_)
+ {
+ case display_mode::simple:
+ case display_mode::deinterlace_bob:
+ case display_mode::deinterlace:
+ {
+ frame_buffer_.push(core::draw_frame(std::move(frame1)));
+ break;
+ }
+ case display_mode::interlace:
+ case display_mode::deinterlace_bob_reinterlace:
+ {
+ auto frame2 = pop_video();
+
+ frame_buffer_.push(core::draw_frame::interlace(
+ core::draw_frame(std::move(frame1)),
+ core::draw_frame(std::move(frame2)),
+ format_desc_.field_mode));
+ break;
+ }
+ case display_mode::duplicate:
+ {
+ //boost::range::push_back(frame1.audio_data(), pop_audio());
+
+ auto second_audio_frame = core::mutable_frame(
+ std::vector<array<std::uint8_t>>(),
+ pop_audio(),
+ frame1.stream_tag(),
+ core::pixel_format_desc(),
+ channel_layout_);
+ auto first_frame = core::draw_frame(std::move(frame1));
+ auto muted_first_frame = core::draw_frame(first_frame);
+ muted_first_frame.transform().audio_transform.volume = 0;
+ auto second_frame = core::draw_frame({ core::draw_frame(std::move(second_audio_frame)), muted_first_frame });
+
+ // Same video but different audio.
+ frame_buffer_.push(first_frame);
+ frame_buffer_.push(second_frame);
+ break;
+ }
+ case display_mode::half:
+ {
+ pop_video(); // Throw away
+
+ frame_buffer_.push(core::draw_frame(std::move(frame1)));
+ break;
+ }
+ default:
+ CASPAR_THROW_EXCEPTION(invalid_operation());
+ }
+ }
+ }
+
+ core::mutable_frame pop_video()
+ {
+ auto frame = std::move(video_stream_.front());
+ video_stream_.pop();
+ return std::move(frame);
+ }
+
+ core::mutable_audio_buffer pop_audio()
+ {
+ if (audio_stream_.size() < audio_cadence_.front() * channel_layout_.num_channels)
+ CASPAR_THROW_EXCEPTION(out_of_range());
+
+ auto begin = audio_stream_.begin();
+ auto end = begin + audio_cadence_.front() * channel_layout_.num_channels;
+
+ core::mutable_audio_buffer samples(begin, end);
+ audio_stream_.erase(begin, end);
+
+ boost::range::rotate(audio_cadence_, std::begin(audio_cadence_)+1);
+
+ return samples;
+ }
+
+ void update_display_mode(const std::shared_ptr<AVFrame>& frame)
+ {
+ std::wstring filter_str = filter_str_;
+
+ display_mode_ = display_mode::simple;
+
+ auto mode = get_mode(*frame);
+ if(mode == core::field_mode::progressive && frame->height < 720 && in_fps_ < 50.0) // SD frames are interlaced. Probably incorrect meta-data. Fix it.
+ mode = core::field_mode::upper;
+
+ auto fps = in_fps_;
+
+ if(filter::is_deinterlacing(filter_str_))
+ mode = core::field_mode::progressive;
+
+ if(filter::is_double_rate(filter_str_))
+ fps *= 2;
+
+ display_mode_ = get_display_mode(mode, fps, format_desc_.field_mode, format_desc_.fps);
+
+ if((frame->height != 480 || format_desc_.height != 486) && // don't deinterlace for NTSC DV
+ display_mode_ == display_mode::simple && mode != core::field_mode::progressive && format_desc_.field_mode != core::field_mode::progressive &&
+ frame->height != format_desc_.height)
+ {
+ display_mode_ = display_mode::deinterlace_bob_reinterlace; // The frame will most likely be scaled, we need to deinterlace->reinterlace
+ }
+
+ // ALWAYS de-interlace, until we have GPU de-interlacing.
+ if(force_deinterlacing_ && frame->interlaced_frame && display_mode_ != display_mode::deinterlace_bob && display_mode_ != display_mode::deinterlace)
+ display_mode_ = display_mode::deinterlace_bob_reinterlace;
+
+ if(display_mode_ == display_mode::deinterlace)
+ filter_str = append_filter(filter_str, L"YADIF=0:-1");
+ else if(display_mode_ == display_mode::deinterlace_bob || display_mode_ == display_mode::deinterlace_bob_reinterlace)
+ filter_str = append_filter(filter_str, L"YADIF=1:-1");
+
+ if(display_mode_ == display_mode::invalid)
+ {
+ CASPAR_LOG(warning) << L"[frame_muxer] Auto-transcode: Failed to detect display-mode.";
+ display_mode_ = display_mode::simple;
+ }
+
+ if(frame->height == 480) // NTSC DV
+ {
+ auto pad_str = L"PAD=" + boost::lexical_cast<std::wstring>(frame->width) + L":486:0:2:black";
+ filter_str = append_filter(filter_str, pad_str);
+ }
+
+ filter_.reset (new filter(
+ frame->width,
+ frame->height,
+ boost::rational<int>(1000000, static_cast<int>(in_fps_ * 1000000)),
+ boost::rational<int>(static_cast<int>(in_fps_ * 1000000), 1000000),
+ boost::rational<int>(frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den),
+ static_cast<AVPixelFormat>(frame->format),
+ std::vector<AVPixelFormat>(),
+ u8(filter_str)));
+
+ CASPAR_LOG(info) << L"[frame_muxer] " << display_mode_ << L" " << print_mode(frame->width, frame->height, in_fps_, frame->interlaced_frame > 0);
+ }
+
+ uint32_t calc_nb_frames(uint32_t nb_frames) const
+ {
+ uint64_t nb_frames2 = nb_frames;
+
+ if(filter_ && filter_->is_double_rate()) // Take into account transformations in filter.
+ nb_frames2 *= 2;
+
+ switch(display_mode_) // Take into account transformation in run.
+ {
+ case display_mode::deinterlace_bob_reinterlace:
+ case display_mode::interlace:
+ case display_mode::half:
+ nb_frames2 /= 2;
+ break;
+ case display_mode::duplicate:
+ nb_frames2 *= 2;
+ break;
+ }
+
+ return static_cast<uint32_t>(nb_frames2);
+ }
+
+ void clear()
+ {
+ while(!video_stream_.empty())
+ video_stream_.pop();
+
+ audio_stream_.clear();
+
+ while(!frame_buffer_.empty())
+ frame_buffer_.pop();
+
+ filter_.reset();
+ }
+};
+
+frame_muxer::frame_muxer(
+ double in_fps,
+ const spl::shared_ptr<core::frame_factory>& frame_factory,
+ const core::video_format_desc& format_desc,
+ const core::audio_channel_layout& channel_layout,
+ const std::wstring& filter)
+ : impl_(new impl(in_fps, frame_factory, format_desc, channel_layout, filter)){}
+void frame_muxer::push_video(const std::shared_ptr<AVFrame>& frame){impl_->push_video(frame);}
+void frame_muxer::push_audio(const std::shared_ptr<AVFrame>& frame){impl_->push_audio(frame);}
+bool frame_muxer::empty() const{return impl_->empty();}
+core::draw_frame frame_muxer::front() const{return impl_->front();}
+void frame_muxer::pop(){return impl_->pop();}
+void frame_muxer::clear(){impl_->clear();}
+uint32_t frame_muxer::calc_nb_frames(uint32_t nb_frames) const {return impl_->calc_nb_frames(nb_frames);}
+bool frame_muxer::video_ready() const{return impl_->video_ready();}
+bool frame_muxer::audio_ready() const{return impl_->audio_ready();}
+
}}
\ No newline at end of file
projects / casparcg / blobdiff