+
+AVCPBProperties *av_cpb_properties_alloc(size_t *size)
+{
+ AVCPBProperties *props = av_mallocz(sizeof(AVCPBProperties));
+ if (!props)
+ return NULL;
+
+ if (size)
+ *size = sizeof(*props);
+
+ props->vbv_delay = UINT64_MAX;
+
+ return props;
+}
+
+AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx)
+{
+ AVPacketSideData *tmp;
+ AVCPBProperties *props;
+ size_t size;
+
+ props = av_cpb_properties_alloc(&size);
+ if (!props)
+ return NULL;
+
+ tmp = av_realloc_array(avctx->coded_side_data, avctx->nb_coded_side_data + 1, sizeof(*tmp));
+ if (!tmp) {
+ av_freep(&props);
+ return NULL;
+ }
+
+ avctx->coded_side_data = tmp;
+ avctx->nb_coded_side_data++;
+
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].type = AV_PKT_DATA_CPB_PROPERTIES;
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].data = (uint8_t*)props;
+ avctx->coded_side_data[avctx->nb_coded_side_data - 1].size = size;
+
+ return props;
+}