Buffer.copyRegion

Creates a sub-buffer from parent at offset and size. This sub-buffer uses the actual memory space of the parent buffer. This function will copy the offset and timestamp fields when the offset is 0. If not, they will be set to #GST_CLOCK_TIME_NONE and #GST_BUFFER_OFFSET_NONE. If offset equals 0 and size equals the total size of buffer, the duration and offset end fields are also copied. If not they will be set to #GST_CLOCK_TIME_NONE and #GST_BUFFER_OFFSET_NONE.

class Buffer

gst.buffer.Buffer

copyRegion

(

gst.types.BufferCopyFlags flags

size_t offset

size_t size

)

Parameters

flags gst.types.BufferCopyFlags: the #GstBufferCopyFlags
offset size_t: the offset into parent #GstBuffer at which the new sub-buffer begins.
size size_t: the size of the new #GstBuffer sub-buffer, in bytes. If -1, all data is copied.

Return Value

Type: gst.buffer.Buffer

the new #GstBuffer or null if copying failed.