typedef struct RISTContext {
const AVClass *class;
- int queue_count;
int profile;
int buffer_size;
int log_level;
const struct rist_data_block *data_block;
int ret;
- ret = rist_receiver_data_read(s->ctx, &data_block, s->queue_count <= 0 ? POLLING_TIME : 0);
+ ret = rist_receiver_data_read(s->ctx, &data_block, POLLING_TIME);
if (ret < 0)
return risterr2ret(ret);
- if (ret == 0 || data_block->payload_len <= 0)
- return 0;
+ if (ret == 0)
+ return AVERROR(EAGAIN);
- s->queue_count = ret - 1;
- size = data_block->payload_len;
+ if (data_block->payload_len > 9968) {
+ rist_receiver_data_block_free((struct rist_data_block**)&data_block);
+ return AVERROR_EXTERNAL;
+ }
+ size = data_block->payload_len;
memcpy(buf, data_block->payload, size);
rist_receiver_data_block_free((struct rist_data_block**)&data_block);