142     MppBufLogs *logs = NULL;  in buf_logs_init()  local
147     logs = mpp_malloc_size(MppBufLogs, sizeof(MppBufLogs) + max_count * sizeof(MppBufLog));  in buf_logs_init()
148     if (!logs) {  in buf_logs_init()
158         pthread_mutex_init(&logs->lock, &attr);  in buf_logs_init()
162     logs->max_count = max_count;  in buf_logs_init()
163     logs->log_count = 0;  in buf_logs_init()
164     logs->log_write = 0;  in buf_logs_init()
165     logs->log_read = 0;  in buf_logs_init()
166     logs->logs = (MppBufLog *)(logs + 1);  in buf_logs_init()
168     return logs;  in buf_logs_init()
171 static void buf_logs_deinit(MppBufLogs *logs)  in buf_logs_deinit()  argument
173     pthread_mutex_destroy(&logs->lock);  in buf_logs_deinit()
174     MPP_FREE(logs);  in buf_logs_deinit()
177 static void buf_logs_write(MppBufLogs *logs, rk_u32 group_id, rk_s32 buffer_id,  in buf_logs_write()  argument
182     pthread_mutex_lock(&logs->lock);  in buf_logs_write()
184     log = &logs->logs[logs->log_write];  in buf_logs_write()
191     logs->log_write++;  in buf_logs_write()
192     if (logs->log_write >= logs->max_count)  in buf_logs_write()
193         logs->log_write = 0;  in buf_logs_write()
195     if (logs->log_count < logs->max_count)  in buf_logs_write()
196         logs->log_count++;  in buf_logs_write()
198         logs->log_read++;  in buf_logs_write()
199         if (logs->log_read >= logs->max_count)  in buf_logs_write()
200             logs->log_read = 0;  in buf_logs_write()
203     pthread_mutex_unlock(&logs->lock);  in buf_logs_write()
206 static void buf_logs_dump(MppBufLogs *logs)  in buf_logs_dump()  argument
208     while (logs->log_count) {  in buf_logs_dump()
209         MppBufLog *log = &logs->logs[logs->log_read];  in buf_logs_dump()
218         logs->log_read++;  in buf_logs_dump()
219         if (logs->log_read >= logs->max_count)  in buf_logs_dump()
220             logs->log_read = 0;  in buf_logs_dump()
221         logs->log_count--;  in buf_logs_dump()
223     mpp_assert(logs->log_read == logs->log_write);  in buf_logs_dump()
233     if (buffer->logs)  in buf_add_log()
234         buf_logs_write(buffer->logs, buffer->group_id, buffer->buffer_id,  in buf_add_log()
244     if (group->logs)  in buf_grp_add_log()
245         buf_logs_write(group->logs, group->group_id, -1, ops, 0, caller);  in buf_grp_add_log()
276     if (group->logs)  in mpp_buffer_group_dump()
277         buf_logs_dump(group->logs);  in mpp_buffer_group_dump()
486     p->logs = group->logs;  in mpp_buffer_create()
1195         p->logs = buf_logs_init(BUFFER_OPS_MAX_COUNT);  in service_get_group()
1241     if (group->logs) {  in destroy_group()
1242         buf_logs_deinit(group->logs);  in destroy_group()
1243         group->logs = NULL;  in destroy_group()