openpilot/tools/clib/FrameReader.hpp

61 lines
1.0 KiB
C++

#ifndef FRAMEREADER_HPP
#define FRAMEREADER_HPP
#include <unistd.h>
#include <vector>
#include <map>
#include <thread>
#include <mutex>
#include <list>
#include <condition_variable>
#include "channel.hpp"
// independent of QT, needs ffmpeg
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
}
class FrameReader {
public:
FrameReader(const char *fn);
uint8_t *get(int idx);
AVFrame *toRGB(AVFrame *);
void waitForReady() {
while (!joined) usleep(10*1000);
}
int getRGBSize() { return width*height*3; }
void loaderThread();
void cacherThread();
//TODO: get this from the actual frame
int width = 1164;
int height = 874;
private:
AVFormatContext *pFormatCtx = NULL;
AVCodecContext *pCodecCtx = NULL;
struct SwsContext *sws_ctx = NULL;
std::vector<AVPacket *> pkts;
std::thread *t;
bool joined = false;
std::map<int, uint8_t *> cache;
std::mutex mcache;
void GOPCache(int idx);
channel<int> to_cache;
bool valid = true;
char url[0x400];
};
#endif