Files
vimix/src/GstToolkit.h
2024-01-01 17:54:27 +01:00

77 lines
2.1 KiB
C++

#ifndef __GSTGUI_TOOLKIT_H_
#define __GSTGUI_TOOLKIT_H_
#include <gst/gst.h>
#include <string>
#include <list>
#include <set>
namespace GstToolkit
{
typedef enum {
TIME_STRING_FIXED = 0,
TIME_STRING_ADJUSTED,
TIME_STRING_MINIMAL,
TIME_STRING_READABLE
} time_string_mode;
std::string time_to_string(guint64 t, time_string_mode m = TIME_STRING_ADJUSTED);
std::string filename_to_uri(std::string filename);
std::string gst_version();
std::list<std::string> all_plugins();
std::list<std::string> enable_gpu_decoding_plugins(bool enable = true);
std::string used_gpu_decoding_plugins(GstElement *gstbin);
std::string used_decoding_plugins(GstElement *gstbin);
std::list<std::string> all_plugin_features(const std::string &pluginname);
bool has_feature (const std::string &name);
bool enable_feature (const std::string &name, bool enable);
struct PipelineConfig {
gint width;
gint height;
gint fps_numerator;
gint fps_denominator;
std::string stream;
std::string format;
PipelineConfig() {
width = 0;
height = 0;
fps_numerator = 30;
fps_denominator = 1;
stream = "";
format = "";
}
inline bool operator < (const PipelineConfig b) const
{
int formatscore = this->format.find("R") != std::string::npos ? 2 : 1; // best score for RGBx
int b_formatscore = b.format.find("R") != std::string::npos ? 2 : 1;
float fps = static_cast<float>(this->fps_numerator) / static_cast<float>(this->fps_denominator);
float b_fps = static_cast<float>(b.fps_numerator) / static_cast<float>(b.fps_denominator);
return ( fps * static_cast<float>(this->width * formatscore) < b_fps * static_cast<float>(b.width * b_formatscore));
}
};
struct better_config_comparator
{
inline bool operator () (const PipelineConfig a, const PipelineConfig b) const
{
return (a < b);
}
};
typedef std::set<PipelineConfig, better_config_comparator> PipelineConfigSet;
PipelineConfigSet getPipelineConfigs(const std::string &src_description);
}
#endif // __GSTGUI_TOOLKIT_H_