18     if (NULL == info) {  in mpp_buffer_import_with_tag()
43         MppBufferImpl *buf = NULL;  in mpp_buffer_import_with_tag()
47         ret = mpp_buffer_create(tag, caller, p, info, NULL);  in mpp_buffer_import_with_tag()
55     if (NULL == buffer || 0 == size) {  in mpp_buffer_get_with_tag()
61     if (NULL == group) {  in mpp_buffer_get_with_tag()
71     if (NULL == buf && MPP_BUFFER_INTERNAL == p->mode) {  in mpp_buffer_get_with_tag()
75             NULL,  in mpp_buffer_get_with_tag()
76             NULL,  in mpp_buffer_get_with_tag()
90     if (NULL == buffer) {  in mpp_buffer_put_with_caller()
100     if (NULL == buffer) {  in mpp_buffer_inc_ref_with_caller()
110     if (NULL == buffer) {  in mpp_buffer_discard_with_caller()
120     if (NULL == buffer || NULL == data) {  in mpp_buffer_read_with_caller()
130     if (NULL == p->info.ptr)  in mpp_buffer_read_with_caller()
134     mpp_assert(src != NULL);  in mpp_buffer_read_with_caller()
143     if (NULL == buffer || NULL == data) {  in mpp_buffer_write_with_caller()
155     if (NULL == p->info.ptr)  in mpp_buffer_write_with_caller()
159     mpp_assert(dst != NULL);  in mpp_buffer_write_with_caller()
168     if (NULL == buffer) {  in mpp_buffer_get_ptr_with_caller()
170         return NULL;  in mpp_buffer_get_ptr_with_caller()
174     if (NULL == p->info.ptr)  in mpp_buffer_get_ptr_with_caller()
177     mpp_assert(p->info.ptr != NULL);  in mpp_buffer_get_ptr_with_caller()
178     if (NULL == p->info.ptr)  in mpp_buffer_get_ptr_with_caller()
186     if (NULL == buffer) {  in mpp_buffer_get_fd_with_caller()
202     if (NULL == buffer) {  in mpp_buffer_get_size_with_caller()
216     if (NULL == buffer) {  in mpp_buffer_get_index_with_caller()
228     if (NULL == buffer) {  in mpp_buffer_set_index_with_caller()
240     if (NULL == buffer) {  in mpp_buffer_get_offset_with_caller()
251     if (NULL == buffer) {  in mpp_buffer_set_offset_with_caller()
263     if (NULL == buffer || NULL == info) {  in mpp_buffer_info_get_with_caller()
270     if (NULL == p->info.ptr)  in mpp_buffer_info_get_with_caller()
280     if (NULL == buffer) {  in check_buf_need_sync()
352     if (NULL == group ||  in mpp_buffer_group_get()
365     if (NULL == group) {  in mpp_buffer_group_put()
375     if (NULL == group) {  in mpp_buffer_group_clear()
385     if (NULL == group) {  in mpp_buffer_group_unused()
406     if (NULL == group) {  in mpp_buffer_group_usage()
417     if (NULL == group) {  in mpp_buffer_group_mode()
428     if (NULL == group) {  in mpp_buffer_group_type()
439     if (NULL == group) {  in mpp_buffer_group_limit_config()