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links: enqueue and dequeue buffers in sync (output and capture) asynchronously

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This commit is contained in:
Kamil Trzcinski
2023-02-24 00:18:49 +01:00
parent 34ff200ceb
commit d57feb0359
4 changed files with 84 additions and 32 deletions
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7
device/buffer_list.h
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@ -26,6 +26,8 @@ typedef struct buffer_stats_s {
int frames, dropped;
} buffer_stats_t;
#define MAX_BUFFER_QUEUE 1
typedef struct buffer_list_s {
char *name;
char *path;
@ -43,6 +45,9 @@ typedef struct buffer_list_s {
struct buffer_list_libcamera_s *libcamera;
};
buffer_t *queued_bufs[MAX_BUFFER_QUEUE];
int n_queued_bufs;
uint64_t last_enqueued_us, last_dequeued_us;
int last_capture_time_us, last_in_queue_time_us;
bool streaming;
@ -59,3 +64,5 @@ buffer_t *buffer_list_find_slot(buffer_list_t *buf_list);
buffer_t *buffer_list_dequeue(buffer_list_t *buf_list);
int buffer_list_count_enqueued(buffer_list_t *buf_list);
int buffer_list_enqueue(buffer_list_t *buf_list, buffer_t *dma_buf);
bool buffer_list_push_to_queue(buffer_list_t *buf_list, buffer_t *dma_buf);
buffer_t *buffer_list_pop_from_queue(buffer_list_t *buf_list);