#ifndef _IMAGE_INPUT_H
#define _IMAGE_INPUT_H 1
+#include <map>
#include <memory>
+#include <mutex>
#include <string>
+#include <thread>
-#include <movit/flat_input.h>
+#include <time.h>
+#include <movit/flat_input.h>
// An output that takes its input from a static image, loaded with ffmpeg.
-// comes from a single 2D array with chunky pixels.
+// comes from a single 2D array with chunky pixels. The image is refreshed
+// from disk about every second.
class ImageInput : public movit::FlatInput {
public:
ImageInput(const std::string &filename);
std::string effect_type_id() const override { return "ImageInput"; }
-
+ void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num) override;
+ static void shutdown_updaters();
+
private:
- std::unique_ptr<uint8_t[]> image_data;
+ struct Image {
+ std::unique_ptr<uint8_t[]> pixels;
+ timespec last_modified;
+ };
+
+ std::string filename;
+ std::shared_ptr<const Image> current_image;
+
+ static std::shared_ptr<const Image> load_image(const std::string &filename);
+ static std::shared_ptr<const Image> load_image_raw(const std::string &filename);
+ static void update_thread_func(const std::string &filename, const timespec &first_modified);
+ static std::mutex all_images_lock;
+ static std::map<std::string, std::shared_ptr<const Image>> all_images;
+ static std::map<std::string, std::thread> update_threads;
+ static volatile bool threads_should_quit;
};
#endif // !defined(_IMAGE_INPUT_H)