]> git.sesse.net Git - casparcg/blobdiff - modules/ffmpeg/producer/ffmpeg_producer.cpp
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[casparcg] / modules / ffmpeg / producer / ffmpeg_producer.cpp
index db7e0060254ca9f06f32d56f848b804b5d7d7ee9..576f7a3cc05ace01b717e287e915274ce62f6441 100644 (file)
 \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/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
-\r
 #include <common/env.h>\r
-#include <common/utility/timer.h>\r
 #include <common/utility/assert.h>\r
+#include <common/diagnostics/graph.h>\r
 \r
-#include <tbb/parallel_invoke.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 <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 <deque>\r
-#include <functional>\r
+#include <tbb/parallel_invoke.h>\r
 \r
-namespace caspar {\r
-       \r
+namespace caspar { namespace ffmpeg {\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::deque<safe_ptr<core::write_frame>> video_frame_buffer_;    \r
-       std::deque<std::vector<short>>                  audio_chunk_buffer_;\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::queue<safe_ptr<core::basic_frame>> ouput_channel_;\r
-               \r
-       std::shared_ptr<core::frame_factory>    frame_factory_;\r
+       input                                                                                   input_; \r
+       video_decoder                                                                   video_decoder_;\r
+       audio_decoder                                                                   audio_decoder_; \r
+       double                                                                                  fps_;\r
+       frame_muxer                                                                             muxer_;\r
 \r
-       input                                                           input_; \r
-       std::unique_ptr<video_decoder>          video_decoder_;\r
-       std::unique_ptr<audio_decoder>          audio_decoder_;\r
+       const int                                                                               start_;\r
+       const bool                                                                              loop_;\r
+       const size_t                                                                    length_;\r
+\r
+       safe_ptr<core::basic_frame>                                             last_frame_;\r
+\r
+       const size_t                                                                    width_;\r
+       const size_t                                                                    height_;\r
+       bool                                                                                    is_progressive_;\r
+       \r
 public:\r
-       explicit ffmpeg_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename, bool loop, int start_frame, int end_frame\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
-               , graph_(diagnostics::create_graph(narrow(print())))\r
+               , graph_(diagnostics::create_graph(""))\r
                , frame_factory_(frame_factory)         \r
-               , input_(safe_ptr<diagnostics::graph>(graph_), filename_, loop_, start_frame, end_frame)\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_->add_guide("frame-time", 0.5);\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
+               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
-               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
-\r
-               try\r
-               {                       \r
-                       video_decoder_.reset(input_.get_video_codec_context().get() ? \r
-                               new video_decoder(input_.get_video_codec_context().get(), frame_factory) : nullptr);\r
-               }\r
-               catch(...)\r
-               {\r
-                       CASPAR_LOG_CURRENT_EXCEPTION();\r
-                       video_decoder_.reset();\r
-                       CASPAR_LOG(warning) << print() << " removed video-stream.";\r
-               }\r
+               for(int n = 0; n < 3; ++n)\r
+                       frame_factory->create_frame(this, std::max<size_t>(2, video_decoder_.width()), std::max<size_t>(2, video_decoder_.height()));\r
+       }\r
+                       \r
+       virtual safe_ptr<core::basic_frame> receive(int hints)\r
+       {\r
+               auto frame = core::basic_frame::late();\r
                \r
-               try\r
-               {                       \r
-                       audio_decoder_.reset(input_.get_audio_codec_context().get() ? \r
-                               new audio_decoder(input_.get_audio_codec_context().get(), frame_factory->get_video_format_desc()) : nullptr);\r
-               }\r
-               catch(...)\r
-               {\r
-                       CASPAR_LOG_CURRENT_EXCEPTION();\r
-                       audio_decoder_.reset();\r
-                       CASPAR_LOG(warning) << print() << " removed audio-stream.";\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
-               if(!video_decoder_ && !audio_decoder_)\r
+               if(!muxer_.empty())\r
+                       frame = last_frame_ = muxer_.pop();     \r
+               else\r
                {\r
-                       BOOST_THROW_EXCEPTION(\r
-                               caspar_exception() <<\r
-                               msg_info("Failed to initialize any decoder"));\r
+                       if(input_.eof())\r
+                               return core::basic_frame::eof();\r
+                       else                    \r
+                               graph_->add_tag("underflow");   \r
                }\r
-       }\r
 \r
-       virtual safe_ptr<core::basic_frame> receive()\r
-       {\r
-               perf_timer_.restart();\r
-\r
-               for(size_t n = 0; ouput_channel_.size() < 2 && input_.has_packet() && n < 32; ++n) // 32 packets should be enough. Otherwise there probably was an error and we want to avoid infinite recursion.\r
-               {       \r
-                       tbb::parallel_invoke\r
-                       (\r
-                               [&]\r
-                               {\r
-                                       if(video_frame_buffer_.size() < 3)\r
-                                               try_decode_video_packet(input_.get_video_packet());\r
-                               }, \r
-                               [&]\r
-                               {\r
-                                       if(audio_chunk_buffer_.size() < 3)\r
-                                               try_decode_audio_packet(input_.get_audio_packet());\r
-                               }\r
-                       );                      \r
-\r
-                       merge_audio_and_video();        \r
-               }\r
+               graph_->update_text(narrow(print()));\r
                \r
-               graph_->update_value("frame-time", static_cast<float>(perf_timer_.elapsed()*frame_factory_->get_video_format_desc().fps*0.5));\r
-                                       \r
-               return get_next_frame();\r
+               return frame;\r
        }\r
 \r
-       virtual std::wstring print() const\r
+       virtual safe_ptr<core::basic_frame> last_frame() const\r
        {\r
-               return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"]";\r
+               return disable_audio(last_frame_);\r
        }\r
 \r
-       void try_decode_video_packet(const std::shared_ptr<aligned_buffer>& video_packet)\r
+       void push_packets()\r
        {\r
-               if(video_decoder_) // Video Decoding.\r
+               for(int n = 0; n < 16 && ((!muxer_.video_ready() && !video_decoder_.ready()) || (!muxer_.audio_ready() && !audio_decoder_.ready())); ++n) \r
                {\r
-                       try\r
-                       {\r
-                               auto frame = video_decoder_->execute(this, video_packet);\r
-                               if(frame)\r
-                                       video_frame_buffer_.push_back(make_safe(std::move(frame)));\r
-                       }\r
-                       catch(...)\r
+                       std::shared_ptr<AVPacket> pkt;\r
+                       if(input_.try_pop(pkt))\r
                        {\r
-                               CASPAR_LOG_CURRENT_EXCEPTION();\r
-                               video_decoder_.reset();\r
-                               CASPAR_LOG(warning) << print() << " removed video-stream.";\r
+                               video_decoder_.push(pkt);\r
+                               audio_decoder_.push(pkt);\r
                        }\r
                }\r
        }\r
 \r
-       void try_decode_audio_packet(const std::shared_ptr<aligned_buffer>& audio_packet)\r
+       void decode_frame(int hints)\r
        {\r
-               if(audio_decoder_) // Audio Decoding.\r
+               push_packets();\r
+               \r
+               tbb::parallel_invoke(\r
+               [&]\r
                {\r
-                       try\r
-                       {\r
-                               auto chunks = audio_decoder_->execute(audio_packet);\r
-                               audio_chunk_buffer_.insert(audio_chunk_buffer_.end(), chunks.begin(), chunks.end());\r
-                       }\r
-                       catch(...)\r
+                       if(muxer_.video_ready())\r
+                               return;\r
+\r
+                       auto video_frames = video_decoder_.poll();\r
+                       BOOST_FOREACH(auto& video, video_frames)        \r
                        {\r
-                               CASPAR_LOG_CURRENT_EXCEPTION();\r
-                               audio_decoder_.reset();\r
-                               CASPAR_LOG(warning) << print() << " removed audio-stream.";\r
+                               is_progressive_ = video ? video->interlaced_frame == 0 : is_progressive_;\r
+                               muxer_.push(video, hints);      \r
                        }\r
-               }\r
-       }\r
-\r
-       void merge_audio_and_video()\r
-       {               \r
-               std::shared_ptr<core::write_frame> frame;       \r
-\r
-               if(!video_frame_buffer_.empty() && !audio_chunk_buffer_.empty())\r
-               {\r
-                       frame = video_frame_buffer_.front();                            \r
-                       video_frame_buffer_.pop_front();\r
-                               \r
-                       frame->audio_data() = std::move(audio_chunk_buffer_.front());\r
-                       audio_chunk_buffer_.pop_front();        \r
-               }\r
-               else if(!video_frame_buffer_.empty() && !audio_decoder_)\r
+               },\r
+               [&]\r
                {\r
-                       frame = video_frame_buffer_.front();                            \r
-                       video_frame_buffer_.pop_front();\r
-                       frame->get_audio_transform().set_has_audio(false);      \r
-               }\r
-               else if(!audio_chunk_buffer_.empty() && !video_decoder_)\r
-               {\r
-                       frame = frame_factory_->create_frame(this, 1, 1);\r
-                       std::fill(frame->image_data().begin(), frame->image_data().end(), 0);\r
-                               \r
-                       frame->audio_data() = std::move(audio_chunk_buffer_.front());\r
-                       audio_chunk_buffer_.pop_front();\r
-               }\r
-               \r
-               if(frame)\r
-                       ouput_channel_.push(make_safe(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
+               muxer_.commit();\r
        }\r
-               \r
-       safe_ptr<core::basic_frame> get_next_frame()\r
+\r
+       virtual int64_t nb_frames() const \r
        {\r
-               if(is_eof())\r
-                       return core::basic_frame::eof();\r
+               if(loop_)\r
+                       return std::numeric_limits<int64_t>::max();\r
 \r
-               if(ouput_channel_.empty())\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
-                       graph_->add_tag("underflow");\r
-                       return core::basic_frame::late();                       \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
-               auto frame = std::move(ouput_channel_.front());\r
-               ouput_channel_.pop();           \r
-               return frame;\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
-       bool is_eof() const\r
+               return nb_frames - start_;\r
+       }\r
+                               \r
+       virtual std::wstring print() const\r
        {\r
-               return ouput_channel_.empty() && (!video_decoder_ && !audio_decoder_) || !input_.is_running();\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 safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
+safe_ptr<core::frame_producer> create_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"wmv")(L"wma")(L"ogg")(L"divx")(L"xvid")(L"wav")(L"mp3")(L"m2v");\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
-\r
-       static const boost::wregex expr(L"\\((?<START>\\d+)(,(?<END>\\d+)?)?\\)");//(,(?<END>\\d+))?\\]"); // boost::regex has no repeated captures?\r
-       boost::wsmatch what;\r
-       auto it = std::find_if(params.begin(), params.end(), [&](const std::wstring& str)\r
-       {\r
-               return boost::regex_match(str, what, expr);\r
-       });\r
-\r
-       int start = -1;\r
-       int end = -1;\r
-\r
-       if(it != params.end())\r
-       {\r
-               start = lexical_cast_or_default(what["START"].str(), -1);\r
-               if(what["END"].matched)\r
-                       end = lexical_cast_or_default(what["END"].str(), -1);\r
-       }\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>(frame_factory, path, loop, start, end);\r
+       return make_safe<ffmpeg_producer>(frame_factory, path, filter_str, loop, start, length);\r
 }\r
 \r
-}
\ No newline at end of file
+}}
\ No newline at end of file