#include <common/log.h>
#include <common/utf.h>
#include <common/array.h>
+#include <common/future.h>
+#include <common/os/general_protection_fault.h>
#include <core/consumer/frame_consumer.h>
#include <core/video_format.h>
#include <core/frame/frame.h>
+#include <core/help/help_sink.h>
+#include <core/help/help_repository.h>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <boost/thread.hpp>
+#include <boost/algorithm/string.hpp>
#include <tbb/concurrent_queue.h>
#include <FreeImage.h>
#include <vector>
+#include <algorithm>
+
+#include "../util/image_view.h"
namespace caspar { namespace image {
-
+
+void write_cropped_png(
+ const core::const_frame& frame,
+ const core::video_format_desc& format_desc,
+ const boost::filesystem::path& output_file,
+ int width,
+ int height)
+{
+ auto bitmap = std::shared_ptr<FIBITMAP>(FreeImage_Allocate(width, height, 32), FreeImage_Unload);
+ image_view<bgra_pixel> destination_view(FreeImage_GetBits(bitmap.get()), width, height);
+ image_view<bgra_pixel> complete_frame(const_cast<uint8_t*>(frame.image_data().begin()), format_desc.width, format_desc.height);
+ auto thumbnail_view = complete_frame.subview(0, 0, width, height);
+
+ std::copy(thumbnail_view.begin(), thumbnail_view.end(), destination_view.begin());
+ FreeImage_FlipVertical(bitmap.get());
+#ifdef WIN32
+ FreeImage_SaveU(FIF_PNG, bitmap.get(), output_file.wstring().c_str(), 0);
+#else
+ FreeImage_Save(FIF_PNG, bitmap.get(), u8(output_file.wstring()).c_str(), 0);
+#endif
+}
+
struct image_consumer : public core::frame_consumer
{
+ core::monitor::subject monitor_subject_;
+ std::wstring filename_;
public:
// frame_consumer
- void initialize(const core::video_format_desc&, int) override
+ image_consumer(const std::wstring& filename)
+ : filename_(filename)
{
}
-
- bool send(core::const_frame frame) override
- {
- boost::thread async([frame]
+
+ void initialize(const core::video_format_desc&, const core::audio_channel_layout&, int) override
+ {
+ }
+
+ int64_t presentation_frame_age_millis() const override
+ {
+ return 0;
+ }
+
+ std::future<bool> send(core::const_frame frame) override
+ {
+ auto filename = filename_;
+
+ boost::thread async([frame, filename]
{
+ ensure_gpf_handler_installed_for_thread("image-consumer");
+
try
{
- auto filename = u8(env::data_folder()) + boost::posix_time::to_iso_string(boost::posix_time::second_clock::local_time()) + ".png";
+ auto filename2 = filename;
+
+ if (filename2.empty())
+ filename2 = env::media_folder() + boost::posix_time::to_iso_wstring(boost::posix_time::second_clock::local_time()) + L".png";
+ else
+ filename2 = env::media_folder() + filename2 + L".png";
auto bitmap = std::shared_ptr<FIBITMAP>(FreeImage_Allocate(static_cast<int>(frame.width()), static_cast<int>(frame.height()), 32), FreeImage_Unload);
A_memcpy(FreeImage_GetBits(bitmap.get()), frame.image_data().begin(), frame.image_data().size());
FreeImage_FlipVertical(bitmap.get());
- FreeImage_Save(FIF_PNG, bitmap.get(), filename.c_str(), 0);
+#ifdef WIN32
+ FreeImage_SaveU(FIF_PNG, bitmap.get(), filename2.c_str(), 0);
+#else
+ FreeImage_Save(FIF_PNG, bitmap.get(), u8(filename2).c_str(), 0);
+#endif
}
catch(...)
{
});
async.detach();
- return false;
+ return make_ready_future(false);
}
std::wstring print() const override
int buffer_depth() const override
{
- return 0;
+ return -1;
}
int index() const override
return 100;
}
- void subscribe(const monitor::observable::observer_ptr& o) override
+ core::monitor::subject& monitor_output()
{
+ return monitor_subject_;
}
-
- void unsubscribe(const monitor::observable::observer_ptr& o) override
- {
- }
};
-spl::shared_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params)
+void describe_consumer(core::help_sink& sink, const core::help_repository& repo)
+{
+ sink.short_description(L"Writes a single PNG snapshot of a video channel.");
+ sink.syntax(L"IMAGE {[filename:string]|yyyyMMddTHHmmss}");
+ sink.para()
+ ->text(L"Writes a single PNG snapshot of a video channel. ")->code(L".png")->text(L" will be appended to ")
+ ->code(L"filename")->text(L". The PNG image will be stored under the ")->code(L"media")->text(L" folder.");
+ sink.para()->text(L"Examples:");
+ sink.example(L">> ADD 1 IMAGE screenshot", L"creating media/screenshot.png");
+ sink.example(L">> ADD 1 IMAGE", L"creating media/20130228T210946.png if the current time is 2013-02-28 21:09:46.");
+}
+
+spl::shared_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params, core::interaction_sink*)
{
- if(params.size() < 1 || params[0] != L"IMAGE")
+ if (params.size() < 1 || !boost::iequals(params.at(0), L"IMAGE"))
return core::frame_consumer::empty();
- return spl::make_shared<image_consumer>();
+ std::wstring filename;
+
+ if (params.size() > 1)
+ filename = params.at(1);
+
+ return spl::make_shared<image_consumer>(filename);
}
}}