C++ (Cpp) uref_block_flow_set_size Examples

Example #1

File: upipe_aggregate.c Project: cmassiot/upipe

/** @internal @This sets the input flow definition.
 *
 * @param upipe description structure of the pipe
 * @param flow_def flow definition packet
 * @return an error code
 */
static int upipe_agg_set_flow_def(struct upipe *upipe, struct uref *flow_def)
{
    if (flow_def == NULL)
        return UBASE_ERR_INVALID;
    UBASE_RETURN(uref_flow_match_def(flow_def, EXPECTED_FLOW_DEF))

    struct upipe_agg *upipe_agg = upipe_agg_from_upipe(upipe);
    uint64_t size = 0;
    uref_block_flow_get_size(flow_def, &size);
    upipe_agg->input_size = size;

    uint64_t octetrate = 0;
    uref_block_flow_get_octetrate(flow_def, &octetrate);
    uint64_t latency = 0;
    uref_clock_get_latency(flow_def, &latency);

    struct uref *flow_def_dup;
    if ((flow_def_dup = uref_dup(flow_def)) == NULL)
        return UBASE_ERR_ALLOC;
    UBASE_RETURN(uref_block_flow_set_size(flow_def_dup, upipe_agg->output_size))

    if (octetrate) {
        UBASE_RETURN(uref_clock_set_latency(flow_def_dup, latency +
                    (uint64_t)upipe_agg->output_size * UCLOCK_FREQ / octetrate))
    }
    upipe_agg_store_flow_def(upipe, flow_def_dup);
    return UBASE_ERR_NONE;
}

Example #2

/** @internal @This sets the input flow definition.
 *
 * @param upipe description structure of the pipe
 * @param flow_def flow definition packet
 * @return an error code
 */
static int upipe_ts_check_set_flow_def(struct upipe *upipe,
                                       struct uref *flow_def)
{
    if (flow_def == NULL)
        return UBASE_ERR_INVALID;
    UBASE_RETURN(uref_flow_match_def(flow_def, EXPECTED_FLOW_DEF))
    struct uref *flow_def_dup;
    if (unlikely((flow_def_dup = uref_dup(flow_def)) == NULL)) {
        upipe_throw_fatal(upipe, UBASE_ERR_ALLOC);
        return UBASE_ERR_ALLOC;
    }
    struct upipe_ts_check *upipe_ts_check = upipe_ts_check_from_upipe(upipe);
    UBASE_RETURN(uref_block_flow_set_size(flow_def_dup,
                                          upipe_ts_check->output_size))
    UBASE_RETURN(uref_flow_set_def(flow_def_dup, OUTPUT_FLOW_DEF))
    upipe_ts_check_store_flow_def(upipe, flow_def_dup);
    return UBASE_ERR_NONE;
}