]> git.sesse.net Git - casparcg/blobdiff - modules/ffmpeg/producer/ffmpeg_producer.cpp
2.0. Async opt 2.
[casparcg] / modules / ffmpeg / producer / ffmpeg_producer.cpp
index 21618aa991a9b90d464566a00bec99dc7f1dc92b..a533d056e635fb158d96bee966731a3f75df7781 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/env.h>\r
 #include <common/utility/assert.h>\r
-#include <common/utility/timer.h>\r
 #include <common/diagnostics/graph.h>\r
 \r
-#include <core/mixer/write_frame.h>\r
 #include <core/video_format.h>\r
-#include <core/producer/frame/audio_transform.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
-#include <core/producer/color/color_producer.h>\r
-#include <core/producer/frame_muxer.h>\r
-\r
-#include <common/env.h>\r
 \r
+#include <boost/assign.hpp>\r
 #include <boost/timer.hpp>\r
-#include <boost/range/algorithm.hpp>\r
-#include <boost/range/algorithm_ext.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/task_group.h>\r
-\r
-#include <deque>\r
-#include <vector>\r
+#include <tbb/parallel_invoke.h>\r
 \r
 namespace caspar {\r
                        \r
@@ -62,79 +61,73 @@ struct ffmpeg_producer : public core::frame_producer
        input                                                                                   input_; \r
        video_decoder                                                                   video_decoder_;\r
        audio_decoder                                                                   audio_decoder_;\r
+       \r
+       frame_muxer                                                                             muxer_;\r
 \r
-       std::queue<safe_ptr<core::basic_frame>>                 output_buffer_;\r
+       const int                                                                               start_;\r
+       int64_t                                                                                 nb_frames_;\r
+       const bool                                                                              loop_;\r
 \r
-       core::frame_muxer                                                               muxer_;\r
+       safe_ptr<core::basic_frame>                                             last_frame_;\r
        \r
-       tbb::task_group                                                                 tasks_;\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, int length) \r
                : filename_(filename)\r
                , graph_(diagnostics::create_graph(narrow(print())))\r
                , frame_factory_(frame_factory)         \r
                , format_desc_(frame_factory->get_video_format_desc())\r
-               , input_(safe_ptr<diagnostics::graph>(graph_), filename_, loop, start, length)\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
-               , muxer_(video_decoder_.fps(), format_desc_)\r
+               , muxer_(video_decoder_.fps(), frame_factory)\r
+               , start_(start)\r
+               , nb_frames_(video_decoder_.nb_frames() - start)\r
+               , loop_(loop)\r
+               , last_frame_(core::basic_frame::empty())\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
                \r
-               for(int n = 0; n < 128 && muxer_.size() < 4; ++n)\r
-                       decode_frame();\r
-       }\r
-\r
-       ~ffmpeg_producer()\r
-       {\r
-               tasks_.cancel();\r
-               tasks_.wait();\r
+               for(int n = 0; n < 128 && muxer_.size() < 2; ++n)\r
+                       decode_frame(0);\r
        }\r
-\r
-       virtual safe_ptr<core::basic_frame> receive()\r
-       {\r
-               if(output_buffer_.empty())\r
-               {       \r
-                       //tasks_.wait();\r
-\r
-                       while(muxer_.size() > 0)\r
-                               output_buffer_.push(muxer_.pop());\r
-\r
-                       //tasks_.run([=]\r
-                       //{\r
-                               frame_timer_.restart();\r
-\r
-                               for(int n = 0; n < 64 && muxer_.empty(); ++n)\r
-                                       decode_frame();\r
-\r
-                               graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
-                       //});\r
-               }\r
                \r
+       virtual safe_ptr<core::basic_frame> receive(int hints)\r
+       {\r
                auto frame = core::basic_frame::late();\r
+               \r
+               frame_timer_.restart();\r
 \r
-               if(output_buffer_.empty())\r
+               for(int n = 0; n < 64 && muxer_.size() < 2; ++n)\r
+                       decode_frame(hints);\r
+               \r
+               if(!muxer_.empty())\r
+                       frame = last_frame_ = muxer_.pop();     \r
+               else\r
                {\r
                        if(input_.eof())\r
-                               frame = core::basic_frame::eof();\r
+                               frame =  core::basic_frame::eof();\r
                        else\r
-                               graph_->add_tag("underflow");                   \r
-               }\r
-               else\r
-               {\r
-                       frame = output_buffer_.front();\r
-                       output_buffer_.pop();\r
+                       {\r
+                               graph_->add_tag("underflow");   \r
+                               ++nb_frames_;           \r
+                       }\r
                }\r
                \r
+               graph_->update_value("frame-time", static_cast<float>(frame_timer_.elapsed()*format_desc_.fps*0.5));\r
+               \r
                return frame;\r
        }\r
 \r
-       void decode_frame()\r
+       virtual safe_ptr<core::basic_frame> last_frame() const\r
+       {\r
+               return disable_audio(last_frame_);\r
+       }\r
+\r
+       void decode_frame(int hints)\r
        {\r
-               for(int n = 0; n < 32 && ((muxer_.video_frames() < 2 && !video_decoder_.ready()) ||     (muxer_.audio_chunks() < 2 && !audio_decoder_.ready())); ++n) \r
+               for(int n = 0; n < 32 && ((!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
@@ -150,20 +143,25 @@ public:
                tbb::parallel_invoke(\r
                [&]\r
                {\r
-                       if(muxer_.video_frames() < 2)\r
+                       if(!muxer_.video_ready())\r
                                video_frames = video_decoder_.poll();\r
                },\r
                [&]\r
                {\r
-                       if(muxer_.audio_chunks() < 2)\r
+                       if(!muxer_.audio_ready())\r
                                audio_samples = audio_decoder_.poll();\r
                });\r
                \r
                BOOST_FOREACH(auto& audio, audio_samples)\r
                        muxer_.push(audio);\r
 \r
-               BOOST_FOREACH(auto& video, video_frames)\r
-                       muxer_.push(video);             \r
+               BOOST_FOREACH(auto& video, video_frames)                \r
+                       muxer_.push(video, hints);              \r
+       }\r
+\r
+       virtual int64_t nb_frames() const\r
+       {\r
+               return loop_ ? 0 : nb_frames_;\r
        }\r
                                \r
        virtual std::wstring print() const\r