markmental/freepassport-c
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markmental 2026-03-27 21:45:40 -04:00
commit f4fa723863
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src/frame_queue.h Normal file
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#ifndef FRAME_QUEUE_H
#define FRAME_QUEUE_H
#include <SDL2/SDL.h>
#define FRAME_QUEUE_CAPACITY 4
typedef struct FrameData {
unsigned char *pixels;
int width;
int height;
int stride;
double pts_seconds;
} FrameData;
typedef struct FrameQueue {
FrameData frames[FRAME_QUEUE_CAPACITY];
int head;
int count;
SDL_mutex *mutex;
SDL_cond *cond;
} FrameQueue;
int frame_queue_init(FrameQueue *queue);
void frame_queue_destroy(FrameQueue *queue);
void frame_queue_clear(FrameQueue *queue);
int frame_queue_push(FrameQueue *queue, FrameData *frame);
int frame_queue_pop_latest(FrameQueue *queue, FrameData *out);
void frame_data_free(FrameData *frame);
#endif