31 lines
696 B
C
31 lines
696 B
C
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#ifndef FRAME_QUEUE_H
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#define FRAME_QUEUE_H
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#include <SDL2/SDL.h>
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#define FRAME_QUEUE_CAPACITY 4
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typedef struct FrameData {
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unsigned char *pixels;
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int width;
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int height;
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int stride;
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double pts_seconds;
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} FrameData;
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typedef struct FrameQueue {
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FrameData frames[FRAME_QUEUE_CAPACITY];
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int head;
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int count;
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SDL_mutex *mutex;
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SDL_cond *cond;
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} FrameQueue;
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int frame_queue_init(FrameQueue *queue);
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void frame_queue_destroy(FrameQueue *queue);
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void frame_queue_clear(FrameQueue *queue);
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int frame_queue_push(FrameQueue *queue, FrameData *frame);
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int frame_queue_pop_latest(FrameQueue *queue, FrameData *out);
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void frame_data_free(FrameData *frame);
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#endif
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