Agora RTC Objective-C API Reference
Refactor
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Public Member Functions | |
virtual int | onReadData (unsigned char *buffer, int bufferSize)=0 |
virtual int64_t | onSeek (int64_t offset, int whence)=0 |
The custom data source provides a data stream input callback, and the player will continue to call back this interface, requesting the user to fill in the data that needs to be played.
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inlinevirtual |
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pure virtual |
The player requests to read the data callback, you need to fill the specified length of data into the buffer.
buffer | the buffer pointer that you need to fill data. |
bufferSize | the bufferSize need to fill of the buffer pointer. |
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pure virtual |
The Player seek event callback, you need to operate the corresponding stream seek operation, You can refer to the definition of lseek() at https://man7.org/linux/man-pages/man2/lseek.2.html.
offset | the value of seek offset. |
whence | the postion of start seeking, the directive whence as follows: 0 - SEEK_SET : The file offset is set to offset bytes. 1 - SEEK_CUR : The file offset is set to its current location plus offset bytes. 2 - SEEK_END : The file offset is set to the size of the file plus offset bytes. 65536 - AVSEEK_SIZE : Optional. Passing this as the "whence" parameter to a seek function causes it to return the filesize without seeking anywhere. |