]> git.sesse.net Git - casparcg/blobdiff - modules/reroute/producer/channel_producer.cpp
[channel_producer] #590 Added NO_AUTO_DEINTERLACE parameter to channel route AMCP...
[casparcg] / modules / reroute / producer / channel_producer.cpp
index 1248f8622439a643d1bf232dc3de3678fea63210..fd86d12bb7e8b6c6c3efa5b6e78cf47750c738a6 100644 (file)
 
 #include <tbb/concurrent_queue.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 <modules/ffmpeg/producer/muxer/frame_muxer.h>
+#include <modules/ffmpeg/producer/util/util.h>
+
 #include <asmlib.h>
 
 #include <queue>
@@ -199,6 +217,20 @@ public:
        }
 };
 
+core::video_format_desc get_progressive_format(core::video_format_desc format_desc)
+{
+       if (format_desc.field_count == 1)
+               return format_desc;
+
+       format_desc.framerate           *= 2;
+       format_desc.fps                         *= 2.0;
+       format_desc.audio_cadence        = core::find_audio_cadence(format_desc.framerate);
+       format_desc.time_scale          *= 2;
+       format_desc.field_count          = 1;
+
+       return format_desc;
+}
+
 class channel_producer : public core::frame_producer_base
 {
        core::monitor::subject                                          monitor_subject_;
@@ -207,14 +239,28 @@ class channel_producer : public core::frame_producer_base
        const core::video_format_desc                           output_format_desc_;
        const spl::shared_ptr<channel_consumer>         consumer_;
        core::constraints                                                       pixel_constraints_;
+       ffmpeg::frame_muxer                                                     muxer_;
 
        std::queue<core::draw_frame>                            frame_buffer_;
 
 public:
-       explicit channel_producer(const core::frame_producer_dependencies& dependecies, const spl::shared_ptr<core::video_channel>& channel, int frames_delay)
+       explicit channel_producer(
+                       const core::frame_producer_dependencies& dependecies,
+                       const spl::shared_ptr<core::video_channel>& channel,
+                       int frames_delay,
+                       bool no_auto_deinterlace)
                : frame_factory_(dependecies.frame_factory)
                , output_format_desc_(dependecies.format_desc)
                , consumer_(spl::make_shared<channel_consumer>(frames_delay))
+               , muxer_(
+                               channel->video_format_desc().framerate,
+                               { ffmpeg::create_input_pad(channel->video_format_desc(), channel->audio_channel_layout().num_channels) },
+                               dependecies.frame_factory,
+                               no_auto_deinterlace ? channel->video_format_desc() : get_progressive_format(channel->video_format_desc()),
+                               channel->audio_channel_layout(),
+                               L"",
+                               false,
+                               !no_auto_deinterlace)
        {
                pixel_constraints_.width.set(output_format_desc_.width);
                pixel_constraints_.height.set(output_format_desc_.height);
@@ -233,32 +279,39 @@ public:
 
        core::draw_frame receive_impl() override
        {
-               auto format_desc = consumer_->get_video_format_desc();
-
-               if(frame_buffer_.size() > 0)
+               if (!muxer_.video_ready() || !muxer_.audio_ready())
                {
-                       auto frame = frame_buffer_.front();
-                       frame_buffer_.pop();
-                       return frame;
+                       auto read_frame = consumer_->receive();
+
+                       if (read_frame == core::const_frame::empty() || read_frame.image_data().empty())
+                               return core::draw_frame::late();
+
+                       auto video_frame = ffmpeg::create_frame();
+
+                       video_frame->data[0]                            = const_cast<uint8_t*>(read_frame.image_data().begin());
+                       video_frame->linesize[0]                        = static_cast<int>(read_frame.width()) * 4;
+                       video_frame->format                             = AVPixelFormat::AV_PIX_FMT_BGRA;
+                       video_frame->width                              = static_cast<int>(read_frame.width());
+                       video_frame->height                             = static_cast<int>(read_frame.height());
+                       video_frame->interlaced_frame   = consumer_->get_video_format_desc().field_mode != core::field_mode::progressive;
+                       video_frame->top_field_first            = consumer_->get_video_format_desc().field_mode == core::field_mode::upper ? 1 : 0;
+                       video_frame->key_frame                  = 1;
+
+                       muxer_.push(video_frame);
+                       muxer_.push(
+                                       {
+                                               std::make_shared<core::mutable_audio_buffer>(
+                                                               read_frame.audio_data().begin(),
+                                                               read_frame.audio_data().end())
+                                       });
                }
 
-               auto read_frame = consumer_->receive();
-               if(read_frame == core::const_frame::empty() || read_frame.image_data().empty())
-                       return core::draw_frame::late();
-
-               core::pixel_format_desc desc;
-               desc.format = core::pixel_format::bgra;
-               desc.planes.push_back(core::pixel_format_desc::plane(format_desc.width, format_desc.height, 4));
-               auto frame = frame_factory_->create_frame(this, desc, consumer_->get_audio_channel_layout());
-
-               frame.audio_data().reserve(read_frame.audio_data().size());
-               boost::copy(read_frame.audio_data(), std::back_inserter(frame.audio_data()));
+               auto frame = muxer_.poll();
 
-               fast_memcpy(frame.image_data().begin(), read_frame.image_data().begin(), read_frame.image_data().size());
-
-               frame_buffer_.push(core::draw_frame(std::move(frame)));
+               if (frame == core::draw_frame::empty())
+                       return core::draw_frame::late();
 
-               return receive_impl();
+               return frame;
        }
 
        std::wstring name() const override
@@ -287,16 +340,24 @@ public:
        {
                return monitor_subject_;
        }
+
+       boost::rational<int> current_framerate() const
+       {
+               return muxer_.out_framerate();
+       }
 };
 
 spl::shared_ptr<core::frame_producer> create_channel_producer(
                const core::frame_producer_dependencies& dependencies,
                const spl::shared_ptr<core::video_channel>& channel,
-               int frames_delay)
+               int frames_delay,
+               bool no_auto_deinterlace)
 {
+       auto producer = spl::make_shared<channel_producer>(dependencies, channel, frames_delay, no_auto_deinterlace);
+
        return core::create_framerate_producer(
-                       spl::make_shared<channel_producer>(dependencies, channel, frames_delay),
-                       [channel] { return channel->video_format_desc().framerate; }    ,
+                       producer,
+                       [producer] { return producer->current_framerate(); },
                        dependencies.format_desc.framerate,
                        dependencies.format_desc.field_mode,
                        dependencies.format_desc.audio_cadence);