Copies the metadata from src into dest. The data, size and mallocdata
fields are not copied.
flags indicate which fields will be copied. Use GST_BUFFER_COPY_ALL to copy
all the metadata fields.
This function is typically called from a custom buffer copy function after
creating dest and setting the data, size, mallocdata.
Copies the metadata from src into dest. The data, size and mallocdata fields are not copied. flags indicate which fields will be copied. Use GST_BUFFER_COPY_ALL to copy all the metadata fields. This function is typically called from a custom buffer copy function after creating dest and setting the data, size, mallocdata.