]> git.sesse.net Git - casparcg/blobdiff - modules/ffmpeg/producer/ffmpeg_producer.cpp
git-svn-id: https://casparcg.svn.sourceforge.net/svnroot/casparcg/server/branches...
[casparcg] / modules / ffmpeg / producer / ffmpeg_producer.cpp
index 3b62cf40319dd8dcd5da9608260b8b039f39d56b..e30f0a694ba01c67a94b772ee55617bc7e005122 100644 (file)
 \r
 #include "ffmpeg_producer.h"\r
 \r
-#include "frame_muxer.h"\r
-#include "input.h"\r
-#include "util.h"\r
+#include "../ffmpeg_error.h"\r
+#include "muxer/frame_muxer.h"\r
+#include "input/input.h"\r
+#include "util/util.h"\r
 #include "audio/audio_decoder.h"\r
 #include "video/video_decoder.h"\r
 \r
 #include <core/producer/frame_producer.h>\r
 #include <core/producer/frame/frame_factory.h>\r
 #include <core/producer/frame/basic_frame.h>\r
+#include <core/producer/frame/frame_transform.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
+#include <boost/regex.hpp>\r
 \r
 #include <tbb/parallel_invoke.h>\r
 \r
-namespace caspar {\r
+#include <limits>\r
+#include <memory>\r
+#include <queue>\r
+\r
+namespace caspar { namespace ffmpeg {\r
                                \r
 struct ffmpeg_producer : public core::frame_producer\r
 {\r
@@ -60,121 +68,99 @@ struct ffmpeg_producer : public core::frame_producer
        const core::video_format_desc                                   format_desc_;\r
 \r
        input                                                                                   input_; \r
-       video_decoder                                                                   video_decoder_;\r
-       audio_decoder                                                                   audio_decoder_; \r
-       double                                                                                  fps_;\r
-       frame_muxer                                                                             muxer_;\r
+       std::unique_ptr<video_decoder>                                  video_decoder_;\r
+       std::unique_ptr<audio_decoder>                                  audio_decoder_; \r
+       std::unique_ptr<frame_muxer>                                    muxer_;\r
 \r
-       int                                                                                             late_frames_;\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
+       std::queue<safe_ptr<core::basic_frame>>                 frame_buffer_;\r
        \r
 public:\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
-               , 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
-               , late_frames_(0)\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(0.1f, 1.0f, 0.1f));\r
                graph_->set_color("underflow", diagnostics::color(0.6f, 0.3f, 0.9f));   \r
+               diagnostics::register_graph(graph_);\r
                \r
-               for(int n = 0; n < 32 && muxer_.empty(); ++n)\r
-                       decode_frame(0);\r
+               try\r
+               {\r
+                       video_decoder_.reset(new video_decoder(input_.context()));\r
+               }\r
+               catch(averror_stream_not_found&)\r
+               {\r
+                       CASPAR_LOG(warning) << "No video-stream found. Running without video."; \r
+               }\r
+               catch(...)\r
+               {\r
+                       CASPAR_LOG_CURRENT_EXCEPTION();\r
+                       CASPAR_LOG(warning) << "Failed to open video-stream. Running without video.";   \r
+               }\r
+\r
+               try\r
+               {\r
+                       audio_decoder_.reset(new audio_decoder(input_.context(), frame_factory->get_video_format_desc()));\r
+               }\r
+               catch(averror_stream_not_found&)\r
+               {\r
+                       CASPAR_LOG(warning) << "No audio-stream found. Running without audio."; \r
+               }\r
+               catch(...)\r
+               {\r
+                       CASPAR_LOG_CURRENT_EXCEPTION();\r
+                       CASPAR_LOG(warning) << "Failed to open audio-stream. Running without audio.";           \r
+               }       \r
+\r
+               muxer_.reset(new frame_muxer(video_decoder_ ? video_decoder_->fps() : frame_factory->get_video_format_desc().fps, frame_factory, filter));\r
        }\r
-                       \r
-       virtual safe_ptr<core::basic_frame> receive(int hints)\r
-       {\r
-               auto frame = core::basic_frame::late();\r
-               \r
+\r
+       // frame_producer\r
+       \r
+       virtual safe_ptr<core::basic_frame> receive(int hints) override\r
+       {               \r
                frame_timer_.restart();\r
                \r
-               for(int n = 0; n < 64 && muxer_.empty(); ++n)\r
-                       decode_frame(hints);\r
+               for(int n = 0; n < 32 && frame_buffer_.size() < 2; ++n)\r
+                       try_decode_frame(hints);\r
                \r
-               graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
+               graph_->update_value("frame-time", frame_timer_.elapsed()*format_desc_.fps*0.5);\r
+                               \r
+               if(frame_buffer_.empty() && input_.eof())\r
+                       return core::basic_frame::eof();\r
 \r
-               if(!muxer_.empty())\r
-                       frame = last_frame_ = muxer_.pop();     \r
-               else\r
+               if(frame_buffer_.empty())\r
                {\r
-                       if(input_.eof())\r
-                               return core::basic_frame::eof();\r
-                       else\r
-                       {\r
-                               graph_->add_tag("underflow");   \r
-                               ++late_frames_;         \r
-                       }\r
+                       graph_->add_tag("underflow");   \r
+                       return core::basic_frame::late();                       \r
                }\r
                \r
-               return frame;\r
-       }\r
+               last_frame_ = frame_buffer_.front();    \r
+               frame_buffer_.pop();\r
 \r
-       virtual safe_ptr<core::basic_frame> last_frame() const\r
-       {\r
-               return disable_audio(last_frame_);\r
+               graph_->set_text(print());\r
+\r
+               return last_frame_;\r
        }\r
 \r
-       void decode_frame(int hints)\r
+       virtual safe_ptr<core::basic_frame> last_frame() const override\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
-                               video_decoder_.push(pkt);\r
-                               audio_decoder_.push(pkt);\r
-                       }\r
-               }\r
-               \r
-               tbb::parallel_invoke(\r
-               [&]\r
-               {\r
-                       if(muxer_.video_ready())\r
-                               return;\r
-\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
-                       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
+               return disable_audio(last_frame_);\r
        }\r
 \r
-       virtual int64_t nb_frames() const \r
+       virtual int64_t nb_frames() const override\r
        {\r
                if(loop_)\r
                        return std::numeric_limits<int64_t>::max();\r
@@ -184,32 +170,128 @@ public:
                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
+                       auto video_nb_frames = video_decoder_ ? video_decoder_->nb_frames() : std::numeric_limits<int64_t>::max();\r
+                       auto audio_nb_frames = audio_decoder_ ? audio_decoder_->nb_frames() : std::numeric_limits<int64_t>::max();\r
 \r
-                       nb_frames = std::min(static_cast<int64_t>(length_), std::max(nb_frames, std::max(video_nb_frames, audio_nb_frames)));\r
+                       nb_frames = 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
+               nb_frames = std::min(static_cast<int64_t>(length_), nb_frames);\r
+               nb_frames = muxer_->calc_nb_frames(nb_frames);\r
+               \r
+               return nb_frames - start_;\r
+       }\r
 \r
-               return nb_frames + late_frames_ - start_;\r
+       virtual boost::unique_future<std::wstring> call(const std::wstring& param) override\r
+       {\r
+               boost::promise<std::wstring> promise;\r
+               promise.set_value(do_call(param));\r
+               return promise.get_future();\r
        }\r
                                \r
-       virtual std::wstring print() const\r
+       virtual std::wstring print() const override\r
        {\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>(fps_)\r
-                                                 + L"]";\r
+               if(video_decoder_)\r
+               {\r
+                       return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"|" \r
+                                                         + boost::lexical_cast<std::wstring>(video_decoder_->width()) + L"x" + boost::lexical_cast<std::wstring>(video_decoder_->height())\r
+                                                         + (video_decoder_->is_progressive() ? L"p" : L"i")  + boost::lexical_cast<std::wstring>(video_decoder_->is_progressive() ? video_decoder_->fps() : 2.0 * video_decoder_->fps())\r
+                                                         + L"]";\r
+               }\r
+               \r
+               return L"ffmpeg[" + boost::filesystem::wpath(filename_).filename() + L"]";\r
+       }\r
+\r
+       // ffmpeg_producer\r
+                               \r
+       std::wstring do_call(const std::wstring& param)\r
+       {\r
+               static const boost::wregex loop_exp(L"LOOP\\s*(?<VALUE>\\d?)");\r
+               static const boost::wregex seek_exp(L"SEEK\\s+(?<VALUE>\\d+)");\r
+               \r
+               boost::wsmatch what;\r
+               if(boost::regex_match(param, what, loop_exp))\r
+               {\r
+                       if(!what["VALUE"].str().empty())\r
+                               input_.loop(boost::lexical_cast<bool>(what["VALUE"].str()));\r
+                       return boost::lexical_cast<std::wstring>(input_.loop());\r
+               }\r
+               if(boost::regex_match(param, what, seek_exp))\r
+               {\r
+                       input_.seek(boost::lexical_cast<int64_t>(what["VALUE"].str()));\r
+                       return L"";\r
+               }\r
+\r
+               BOOST_THROW_EXCEPTION(invalid_argument());\r
+       }\r
+\r
+       void try_decode_frame(int hints)\r
+       {\r
+               std::shared_ptr<AVPacket> pkt;\r
+\r
+               for(int n = 0; n < 32 && ((video_decoder_ && !video_decoder_->ready()) || (audio_decoder_ && !audio_decoder_->ready())) && input_.try_pop(pkt); ++n)\r
+               {\r
+                       if(video_decoder_)\r
+                               video_decoder_->push(pkt);\r
+                       if(audio_decoder_)\r
+                               audio_decoder_->push(pkt);\r
+               }\r
+               \r
+               std::shared_ptr<AVFrame>                        video;\r
+               std::shared_ptr<core::audio_buffer> audio;\r
+\r
+               tbb::parallel_invoke(\r
+               [&]\r
+               {\r
+                       if(!muxer_->video_ready() && video_decoder_)                    \r
+                               video = video_decoder_->poll();                 \r
+               },\r
+               [&]\r
+               {               \r
+                       if(!muxer_->audio_ready() && audio_decoder_)                    \r
+                               audio = audio_decoder_->poll();                 \r
+               });\r
+\r
+               muxer_->push(video, hints);\r
+               muxer_->push(audio);\r
+\r
+               if(!audio_decoder_)\r
+               {\r
+                       if(video == flush_video())\r
+                               muxer_->push(flush_audio());\r
+                       else if(!muxer_->audio_ready())\r
+                               muxer_->push(empty_audio());\r
+               }\r
+\r
+               if(!video_decoder_)\r
+               {\r
+                       if(audio == flush_audio())\r
+                               muxer_->push(flush_video(), 0);\r
+                       else if(!muxer_->video_ready())\r
+                               muxer_->push(empty_video(), 0);\r
+               }\r
+               \r
+               for(auto frame = muxer_->poll(); frame; frame = muxer_->poll())\r
+                       frame_buffer_.push(make_safe_ptr(frame));\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 = boost::find_if(extensions, [&](const std::wstring& ex)\r
@@ -220,35 +302,16 @@ safe_ptr<core::frame_producer> create_ffmpeg_producer(const safe_ptr<core::frame
        if(ext == extensions.end())\r
                return core::frame_producer::empty();\r
 \r
-       std::wstring path = filename + L"." + *ext;\r
-       bool loop = boost::find(params, L"LOOP") != params.end();\r
-\r
-       size_t start = 0;\r
-       size_t length = std::numeric_limits<size_t>::max();\r
-       \r
-       auto seek_it = boost::find(params, L"SEEK");\r
-       if(seek_it != params.end())\r
-       {\r
-               if(++seek_it != params.end())\r
-                       start = boost::lexical_cast<size_t>(*seek_it);\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
-       auto length_it = boost::find(params, L"LENGTH");\r
-       if(length_it != params.end())\r
-       {\r
-               if(++length_it != params.end())\r
-                       length = boost::lexical_cast<size_t>(*length_it);\r
-       }\r
-\r
-       std::wstring filter = L"";\r
-       auto filter_it = boost::find(params, 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
+       return create_destroy_proxy(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