--- /dev/null
+#include<iostream>
+#include<fstream>
+#include "SDL2/SDL.h"
+
+using namespace std;
+
+/*
+ * Convert MP4 to YUV
+ * ffmpeg -i big_buck_bunny_720p_10mb.mp4 -c:v rawvideo -pix_fmt yuv420p out.yuv
+ *
+ * Play YUV with ffplay
+ * ffplay -f rawvideo -pixel_format yuv420p -video_size 1280x720 -i ./out.yuv
+ *
+ */
+
+class YuvPlayer
+{
+public:
+ YuvPlayer(int width, int height);
+ void play(string fname);
+ ~YuvPlayer();
+
+private:
+ bool readFrame(ifstream& in, uint8_t *raw, size_t size);
+ void updateRenderer(uint8_t *raw);
+ string file;
+ int width = 1280;
+ int height = 720;
+ SDL_Window *window;
+ SDL_Renderer *renderer;
+ SDL_Texture *texture;
+};
+
+YuvPlayer::YuvPlayer(int w, int h)
+: width(w)
+, height(h)
+{
+ SDL_Init(SDL_INIT_VIDEO);
+ window = SDL_CreateWindow("YUV Player", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_SHOWN);
+ if (window == nullptr){
+ cout << "create error: " << SDL_GetError() << endl;
+ }
+ renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+ texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_IYUV, SDL_TEXTUREACCESS_STREAMING, width, height);
+}
+
+YuvPlayer::~YuvPlayer()
+{
+ SDL_DestroyWindow(window);
+ SDL_Quit();
+}
+
+void YuvPlayer::play(string file)
+{
+ size_t frame_size = width * height * 3 / 2;
+ uint8_t *raw = (uint8_t *) malloc(sizeof(uint8_t) * frame_size);
+ ifstream in (file, ios::binary);
+ if (!in.is_open()) {
+ cout << "failed to open " << file << endl;
+ }
+
+ SDL_Event event;
+ bool quit = false;
+ while(!quit) {
+ SDL_WaitEvent(&event);
+ switch(event.type){
+ case SDL_QUIT:
+ quit = true;
+ break;
+ case SDL_KEYDOWN:
+ switch(event.key.keysym.sym){
+ case SDLK_q:
+ quit = true;
+ break;
+ case SDLK_RIGHT:
+ readFrame(in, raw, frame_size);
+ updateRenderer(raw);
+ break;
+ default:
+ break;
+ }
+ default:
+ break;
+ }
+ }
+ free(raw);
+}
+
+bool YuvPlayer::readFrame(ifstream& in, uint8_t *raw, size_t size)
+{
+ in.read(reinterpret_cast<char *>(raw), size);
+ return true;
+}
+
+void YuvPlayer::updateRenderer(uint8_t *raw)
+{
+ SDL_UpdateTexture(texture, nullptr, raw, width * SDL_BYTESPERPIXEL(SDL_PIXELFORMAT_IYUV));
+ SDL_RenderClear(renderer);
+ SDL_RenderCopy(renderer, texture, nullptr, nullptr);
+ SDL_RenderPresent(renderer);
+}
+
+int main()
+{
+ string fname = "out.yuv";
+ YuvPlayer player(1280, 720);
+ player.play(fname);
+}