#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>
namespace caspar { namespace image {
- void write_cropped_png(
+void write_cropped_png(
const core::const_frame& frame,
const core::video_format_desc& format_desc,
- const boost::filesystem::wpath& output_file,
+ 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());
- FreeImage_SaveU(FIF_PNG, bitmap.get(), output_file.wstring().c_str(), 0);
- }
+{
+ 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
{
{
}
- void initialize(const core::video_format_desc&, int) override
+ 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 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
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());
+#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(...)
{
{
return L"image[]";
}
-
+
std::wstring name() const override
{
return L"image";
int buffer_depth() const override
{
- return 0;
+ return -1;
}
int index() const override
}
};
-spl::shared_ptr<core::frame_consumer> create_consumer(const std::vector<std::wstring>& params, core::interaction_sink*)
+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*, std::vector<spl::shared_ptr<core::video_channel>> channels)
{
- if (params.size() < 1 || params[0] != L"IMAGE")
+ if (params.size() < 1 || !boost::iequals(params.at(0), L"IMAGE"))
return core::frame_consumer::empty();
std::wstring filename;
if (params.size() > 1)
- filename = params[1];
+ filename = params.at(1);
return spl::make_shared<image_consumer>(filename);
}