78     size_t     tail;  member
95     audio_vbuffer->tail = 0;  in audio_vbuffer_init()
127         if (audio_vbuffer->live == 0 || audio_vbuffer->head > audio_vbuffer->tail) {  in audio_vbuffer_write()
129         } else if (audio_vbuffer->head < audio_vbuffer->tail) {  in audio_vbuffer_write()
130             frames = MIN(frame_count, audio_vbuffer->tail - (audio_vbuffer->head));  in audio_vbuffer_write()
155             audio_vbuffer->tail > audio_vbuffer->head) {  in audio_vbuffer_read()
156             frames = MIN(frame_count, audio_vbuffer->frame_count - audio_vbuffer->tail);  in audio_vbuffer_read()
157         } else if (audio_vbuffer->tail < audio_vbuffer->head) {  in audio_vbuffer_read()
158             frames = MIN(frame_count, audio_vbuffer->head - audio_vbuffer->tail);  in audio_vbuffer_read()
163                &audio_vbuffer->data[audio_vbuffer->tail*audio_vbuffer->frame_size],  in audio_vbuffer_read()
168         audio_vbuffer->tail = (audio_vbuffer->tail + frames) % audio_vbuffer->frame_count;  in audio_vbuffer_read()