101 status_t VIDEO_RINGBUF_Init(video_ringbuf_t *ringbuf, void **buf, uint32_t size)  in VIDEO_RINGBUF_Init()  argument
103     assert(ringbuf != NULL);  in VIDEO_RINGBUF_Init()
105     ringbuf->rear  = 0;  in VIDEO_RINGBUF_Init()
106     ringbuf->front = 0;  in VIDEO_RINGBUF_Init()
107     ringbuf->size  = size;  in VIDEO_RINGBUF_Init()
108     ringbuf->buf   = buf;  in VIDEO_RINGBUF_Init()
113 status_t VIDEO_RINGBUF_Get(video_ringbuf_t *ringbuf, void **item)  in VIDEO_RINGBUF_Get()  argument
118     uint32_t rear  = ringbuf->rear;  in VIDEO_RINGBUF_Get()
119     uint32_t front = ringbuf->front;  in VIDEO_RINGBUF_Get()
123         *item = ringbuf->buf[ringbuf->front];  in VIDEO_RINGBUF_Get()
129         front_next = (ringbuf->front + 1U);  in VIDEO_RINGBUF_Get()
132         ringbuf->front = (front_next == ringbuf->size) ? 0UL : front_next;  in VIDEO_RINGBUF_Get()
142 status_t VIDEO_RINGBUF_Put(video_ringbuf_t *ringbuf, void *item)  in VIDEO_RINGBUF_Put()  argument
148     uint32_t rear_next = ringbuf->rear + 1U;  in VIDEO_RINGBUF_Put()
150     rear_next = (rear_next == ringbuf->size) ? 0U : rear_next;  in VIDEO_RINGBUF_Put()
152     if (rear_next != ringbuf->front)  in VIDEO_RINGBUF_Put()
154         ringbuf->buf[ringbuf->rear] = item;  in VIDEO_RINGBUF_Put()
155         ringbuf->rear               = rear_next;  in VIDEO_RINGBUF_Put()
166 uint32_t VIDEO_RINGBUF_GetLength(video_ringbuf_t *ringbuf)  in VIDEO_RINGBUF_GetLength()  argument
171     uint32_t rear  = ringbuf->rear;  in VIDEO_RINGBUF_GetLength()
172     uint32_t front = ringbuf->front;  in VIDEO_RINGBUF_GetLength()
174     ret = (rear + ringbuf->size) - front;  in VIDEO_RINGBUF_GetLength()
176     if (ret >= ringbuf->size)  in VIDEO_RINGBUF_GetLength()
178         ret -= ringbuf->size;  in VIDEO_RINGBUF_GetLength()
184 bool VIDEO_RINGBUF_IsEmpty(video_ringbuf_t *ringbuf)  in VIDEO_RINGBUF_IsEmpty()  argument
187     uint32_t rear  = ringbuf->rear;  in VIDEO_RINGBUF_IsEmpty()
188     uint32_t front = ringbuf->front;  in VIDEO_RINGBUF_IsEmpty()
200 bool VIDEO_RINGBUF_IsFull(video_ringbuf_t *ringbuf)  in VIDEO_RINGBUF_IsFull()  argument
202     uint32_t rear  = ringbuf->rear;  in VIDEO_RINGBUF_IsFull()
203     uint32_t front = ringbuf->front;  in VIDEO_RINGBUF_IsFull()
207     if (rear >= ringbuf->size)  in VIDEO_RINGBUF_IsFull()