feat: double buffered video input

2025-11-24 18:50:50 +01:00
parent aa42e9d2aa
commit c66a5c166e
16 changed files with 162 additions and 82 deletions
@@ -104,6 +104,7 @@ typedef struct ShaderProgram {
  GLuint iinres_locations[ARRAY_SIZE];
  GLuint iinfmt_locations[ARRAY_SIZE];
  GLuint iinfps_locations[ARRAY_SIZE];
+  GLuint iinswap_locations[ARRAY_SIZE];
  GLuint idemo_locations[ARRAY_SIZE];
  GLuint iautorand_locations[ARRAY_SIZE];
  GLuint iautorandcycle_locations[ARRAY_SIZE];
@@ -137,15 +138,19 @@ typedef struct ShaderProgram {
 typedef struct VideoCapture {
  char name[STR_LEN];
  bool error;
+  bool with_swap;
  int fd;
  int exp_fd;
+  int exp_fd_swap;
  unsigned int width;
  unsigned int height;
  unsigned int pixelformat;
  unsigned int bytesperline;
 #ifdef VIDEO_IN
  struct v4l2_buffer buf;
+  struct v4l2_buffer buf_swap;
  EGLImageKHR dma_image;
+  EGLImageKHR dma_image_swap;
 #endif /* VIDEO_IN */
 } VideoCapture;

@@ -190,6 +195,7 @@ typedef struct SharedContext {
  unsigned int fps;
  unsigned int input_formats[MAX_VIDEO];
  unsigned int input_fps[MAX_VIDEO];
+  bool input_swap[MAX_VIDEO];
  bool stop;
 } SharedContext;