+/*\r
+* copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
+*\r
+* This file is part of CasparCG.\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
+*/\r
#include "../stdafx.h"\r
\r
#include "ffmpeg_producer.h"\r
\r
+#include "frame_muxer.h"\r
#include "input.h"\r
+#include "util.h"\r
#include "audio/audio_decoder.h"\r
#include "video/video_decoder.h"\r
\r
-#include <common/utility/timer.h>\r
+#include <common/env.h>\r
+#include <common/utility/assert.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/video_format.h>\r
+#include <core/producer/frame_producer.h>\r
+#include <core/producer/frame/frame_factory.h>\r
+#include <core/producer/frame/basic_frame.h>\r
\r
-#include <common/env.h>\r
-#include <common/utility/timer.h>\r
-#include <common/utility/assert.h>\r
+#include <boost/algorithm/string.hpp>\r
+#include <boost/assign.hpp>\r
+#include <boost/timer.hpp>\r
+#include <boost/foreach.hpp>\r
+#include <boost/filesystem.hpp>\r
+#include <boost/range/algorithm/find_if.hpp>\r
+#include <boost/range/algorithm/find.hpp>\r
\r
#include <tbb/parallel_invoke.h>\r
\r
-#include <deque>\r
-#include <functional>\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
- 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
+ boost::timer video_timer_;\r
+ boost::timer audio_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
+ double fps_;\r
+ frame_muxer muxer_;\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
+ const int start_;\r
+ const bool loop_;\r
+ const size_t length_;\r
+\r
+ safe_ptr<core::basic_frame> last_frame_;\r
\r
- std::unique_ptr<input> input_; \r
+ const size_t width_;\r
+ const size_t height_;\r
+ bool is_progressive_;\r
+ \r
public:\r
- explicit ffmpeg_producer(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, size_t length) \r
: filename_(filename)\r
- , loop_(loop) \r
- , last_frame_(core::basic_frame(core::basic_frame::empty()))\r
- \r
+ , graph_(diagnostics::create_graph([this]{return print();}))\r
+ , frame_factory_(frame_factory) \r
+ , format_desc_(frame_factory->get_video_format_desc())\r
+ , input_(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
+ , fps_(video_decoder_.fps())\r
+ , muxer_(fps_, frame_factory)\r
+ , start_(start)\r
+ , loop_(loop)\r
+ , length_(length)\r
+ , last_frame_(core::basic_frame::empty())\r
+ , width_(video_decoder_.width())\r
+ , height_(video_decoder_.height())\r
+ , is_progressive_(true)\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(0.1f, 1.0f, 0.1f));\r
+ graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f)); \r
+ \r
+ for(int n = 0; n < 32 && muxer_.empty(); ++n)\r
+ decode_frame(0);\r
}\r
- \r
- virtual void set_frame_factory(const safe_ptr<core::frame_factory>& frame_factory)\r
+ \r
+ virtual safe_ptr<core::basic_frame> receive(int hints)\r
{\r
- frame_factory_ = frame_factory;\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
+ auto frame = core::basic_frame::late();\r
+ \r
+ frame_timer_.restart();\r
+ \r
+ for(int n = 0; n < 64 && muxer_.empty(); ++n)\r
+ decode_frame(hints);\r
+ \r
+ graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
\r
- }\r
+ if(!muxer_.empty())\r
+ frame = last_frame_ = muxer_.pop(); \r
+ else\r
+ {\r
+ if(input_.eof())\r
+ return core::basic_frame::eof();\r
+ else \r
+ graph_->add_tag("underflow"); \r
+ }\r
\r
- virtual safe_ptr<core::basic_frame> receive()\r
+ return frame;\r
+ }\r
+\r
+ virtual safe_ptr<core::basic_frame> last_frame() const\r
{\r
- perf_timer_.reset();\r
+ return disable_audio(last_frame_);\r
+ }\r
\r
- while(ouput_channel_.size() < 2 && !input_->is_eof())\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
-\r
- tbb::parallel_invoke(\r
- [&]\r
- { // Video Decoding and Scaling\r
- if(!video_packet.empty() && video_decoder_)\r
- {\r
- try\r
- {\r
- auto frame = video_decoder_->execute(video_packet);\r
- frame->tag(reinterpret_cast<int>(this));\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
- { // Audio Decoding\r
- if(!audio_packet.empty() && audio_decoder_)\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
+ void decode_frame(int hints)\r
+ {\r
+ for(int n = 0; n < 16 && ((!muxer_.video_ready() && !video_decoder_.ready()) || (!muxer_.audio_ready() && !audio_decoder_.ready())); ++n) \r
+ {\r
+ std::shared_ptr<AVPacket> pkt;\r
+ if(input_.try_pop(pkt))\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)\r
- {\r
- frame = frame_factory_->create_frame(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
- \r
- ouput_channel_.push(safe_ptr<core::write_frame>(frame)); \r
- } \r
-\r
- if(ouput_channel_.empty() && video_packet.empty() && audio_packet.empty()) \r
- return last_frame_; \r
+ video_decoder_.push(pkt);\r
+ audio_decoder_.push(pkt);\r
+ }\r
}\r
\r
- graph_->update_value("frame-time", static_cast<float>(perf_timer_.elapsed()/frame_factory_->get_video_format_desc().interval*0.5));\r
+ tbb::parallel_invoke(\r
+ [&]\r
+ {\r
+ if(muxer_.video_ready())\r
+ return;\r
\r
- auto result = last_frame_;\r
- if(!ouput_channel_.empty())\r
+ auto video_frames = video_decoder_.poll();\r
+ BOOST_FOREACH(auto& video, video_frames) \r
+ {\r
+ is_progressive_ = video ? video->interlaced_frame == 0 : is_progressive_;\r
+ muxer_.push(video, hints); \r
+ }\r
+ },\r
+ [&]\r
{\r
- result = get_frame();\r
+ if(muxer_.audio_ready())\r
+ return;\r
+ \r
+ auto audio_samples = audio_decoder_.poll();\r
+ BOOST_FOREACH(auto& audio, audio_samples)\r
+ muxer_.push(audio); \r
+ });\r
\r
- bool interlace = abs(input_->fps()/2.0 - frame_factory_->get_video_format_desc().fps) < 0.001;\r
- if(interlace && !ouput_channel_.empty())\r
- result = core::basic_frame::interlace(result, get_frame(), frame_factory_->get_video_format_desc().mode);\r
- }\r
- else if(input_->is_eof())\r
- result = core::basic_frame::eof();\r
- \r
- return result;\r
+ muxer_.commit();\r
}\r
\r
- core::basic_frame get_frame()\r
+ virtual int64_t nb_frames() const \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
+ if(loop_)\r
+ return std::numeric_limits<int64_t>::max();\r
+\r
+ // This function estimates nb_frames until input has read all packets for one loop, at which point the count should be accurate.\r
+\r
+ int64_t nb_frames = input_.nb_frames();\r
+ if(input_.nb_loops() < 1) // input still hasn't counted all frames\r
+ {\r
+ int64_t video_nb_frames = video_decoder_.nb_frames();\r
+ int64_t audio_nb_frames = audio_decoder_.nb_frames();\r
+\r
+ nb_frames = std::min(static_cast<int64_t>(length_), std::max(nb_frames, std::max(video_nb_frames, audio_nb_frames)));\r
+ }\r
\r
+ nb_frames = muxer_.calc_nb_frames(nb_frames);\r
+\r
+ // TODO: Might need to scale nb_frames av frame_muxer transformations.\r
+\r
+ return nb_frames - start_;\r
+ }\r
+ \r
virtual std::wstring print() const\r
{\r
- return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"]";\r
+ return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"|" \r
+ + boost::lexical_cast<std::wstring>(width_) + L"x" + boost::lexical_cast<std::wstring>(height_)\r
+ + (is_progressive_ ? L"p" : L"i") + boost::lexical_cast<std::wstring>(is_progressive_ ? fps_ : 2.0 * fps_)\r
+ + L"]";\r
}\r
};\r
\r
-safe_ptr<core::frame_producer> create_ffmpeg_producer(const std::vector<std::wstring>& params)\r
-{ \r
+safe_ptr<core::frame_producer> create_ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
+{ \r
static const std::vector<std::wstring> extensions = boost::assign::list_of\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"wmw")(L"wma")(L"ogg")(L"divx")(L"wav")(L"mp3");\r
+ (L"mpg")(L"mpeg")(L"m2v")(L"m4v")(L"mp3")(L"mp4")(L"mpga")\r
+ (L"avi")\r
+ (L"mov")\r
+ (L"qt")\r
+ (L"webm")\r
+ (L"dv") \r
+ (L"f4v")(L"flv")\r
+ (L"mkv")(L"mka")\r
+ (L"wmv")(L"wma")(L"wav")\r
+ (L"rm")(L"ram")\r
+ (L"ogg")(L"ogv")(L"oga")(L"ogx")\r
+ (L"divx")(L"xvid");\r
+\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
+ auto path = filename + L"." + *ext;\r
+ auto loop = boost::range::find(params, L"LOOP") != params.end();\r
+ auto start = core::get_param(L"SEEK", params, 0);\r
+ auto length = core::get_param(L"LENGTH", params, std::numeric_limits<size_t>::max());\r
+ auto filter_str = core::get_param<std::wstring>(L"FILTER", params, L""); \r
+ \r
+ boost::replace_all(filter_str, L"DEINTERLACE", L"YADIF=0:-1");\r
+ boost::replace_all(filter_str, L"DEINTERLACE_BOB", L"YADIF=1:-1");\r
\r
- return make_safe<ffmpeg_producer>(path, loop);\r
+ return make_safe<ffmpeg_producer>(frame_factory, path, filter_str, loop, start, length);\r
}\r
\r
}
\ No newline at end of file
projects / casparcg / blobdiff