SendMultiDataWithUniqueId

Function Usage

Sends data to the input element (appsrc) on the specified stream. The blocking mode is used. Multi-thread concurrency and multi-input are supported.

Prototype and Parameter Description

APP_ERROR SendMultiDataWithUniqueId(
    const std::string& streamName, 
    std::vector<int> inPluginIdVec, 
    std::vector<MxstDataInput>& dataBufferVec, 
    uint64_t& uniqueId);

Parameter

Input/Output

Description

streamName

Input

Stream name

inPluginVec

Input

ID of the object input plugin, that is, the ID of the appsrc element. (The appsrc number indicates the sequence number of the appsrc element.)

dataBufferVec

Input

Data to be sent. The value of dataBuffer.dataSize must be equal to the size of the memory to be sent and within the range of [1, 1073741824]. dataBuffer.dataPtr needs to be deleted.

uniqueId

Output

ID returned after data is sent. The corresponding result is obtained based on the ID by calling 5.4.2.1.6 SendDataWithUniqueId.

Return Parameter Description

Data Structure

Description

APP_ERROR

Error code returned during program execution. For details, see the MxBase/ErrorCode/ErrorCode.h file.