Close the resource accessed by the AVIOContext *s, free it
and set the pointer pointing to it to NULL.
This function can only be used if s was opened by avio_open().
The internal buffer is automatically flushed before closing the
resource.
@return 0 on success, an AVERROR < 0 on error.
@see avio_close
Close the resource accessed by the AVIOContext *s, free it and set the pointer pointing to it to NULL. This function can only be used if s was opened by avio_open().
The internal buffer is automatically flushed before closing the resource.
@return 0 on success, an AVERROR < 0 on error. @see avio_close