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from . import ffi, librtmp
__all__ = ["RTMPPacket",
"PACKET_SIZE_LARGE", "PACKET_SIZE_MEDIUM",
"PACKET_SIZE_SMALL", "PACKET_SIZE_MINIMUM",
"PACKET_TYPE_CHUNK_SIZE", "PACKET_TYPE_BYTES_READ_REPORT",
"PACKET_TYPE_CONTROL", "PACKET_TYPE_SERVER_BW",
"PACKET_TYPE_CLIENT_BW", "PACKET_TYPE_AUDIO",
"PACKET_TYPE_VIDEO", "PACKET_TYPE_FLEX_STREAM_SEND",
"PACKET_TYPE_FLEX_SHARED_OBJECT", "PACKET_TYPE_FLEX_MESSAGE",
"PACKET_TYPE_INFO", "PACKET_TYPE_SHARED_OBJECT",
"PACKET_TYPE_INVOKE", "PACKET_TYPE_FLASH_VIDEO"]
(PACKET_SIZE_LARGE, PACKET_SIZE_MEDIUM, PACKET_SIZE_SMALL,
PACKET_SIZE_MINIMUM) = range(4)
PACKET_TYPE_CHUNK_SIZE = 0x01
PACKET_TYPE_BYTES_READ_REPORT = 0x03
PACKET_TYPE_CONTROL = 0x04
PACKET_TYPE_SERVER_BW = 0x05
PACKET_TYPE_CLIENT_BW = 0x06
PACKET_TYPE_AUDIO = 0x08
PACKET_TYPE_VIDEO = 0x09
PACKET_TYPE_FLEX_STREAM_SEND = 0x0F
PACKET_TYPE_FLEX_SHARED_OBJECT = 0x10
PACKET_TYPE_FLEX_MESSAGE = 0x11
PACKET_TYPE_INFO = 0x12
PACKET_TYPE_SHARED_OBJECT = 0x13
PACKET_TYPE_INVOKE = 0x14
PACKET_TYPE_FLASH_VIDEO = 0x16
class RTMPPacket(object):
@classmethod
def _from_pointer(cls, pointer):
packet = cls.__new__(cls)
packet.packet = pointer
return packet
def __init__(self, type, format, channel, timestamp=0,
absolute_timestamp=False, body=None):
self.packet = ffi.new("RTMPPacket*")
self.type = type
self.format = format
self.channel = channel
self.timestamp = timestamp
self.absolute_timestamp = absolute_timestamp
if not body:
body = b""
self.body = body
@property
def format(self):
"""Format of the packet."""
return self.packet.m_headerType
@format.setter
def format(self, value):
self.packet.m_headerType = int(value)
@property
def type(self):
"""Type of the packet."""
return self.packet.m_packetType
@type.setter
def type(self, value):
self.packet.m_packetType = int(value)
@property
def channel(self):
"""Channel of the packet."""
return self.packet.m_nChannel
@channel.setter
def channel(self, value):
self.packet.m_nChannel = int(value)
@property
def timestamp(self):
"""Timestamp of the packet."""
return self.packet.m_nTimeStamp
@timestamp.setter
def timestamp(self, value):
self.packet.m_nTimeStamp = int(value)
@property
def absolute_timestamp(self):
"""True if the timestamp is absolute."""
return bool(self.packet.m_hasAbsTimestamp)
@absolute_timestamp.setter
def absolute_timestamp(self, value):
self.packet.m_hasAbsTimestamp = int(bool(value))
@property
def body(self):
"""The body of the packet."""
view = ffi.buffer(self.packet.m_body, self.packet.m_nBodySize)
return view[:]
@body.setter
def body(self, value):
size = len(value)
librtmp.RTMPPacket_Alloc(self.packet, size)
view = ffi.buffer(self.packet.m_body, size)
view[:] = value
self.packet.m_nBodySize = size
def dump(self):
"""Dumps packet to logger."""
librtmp.RTMPPacket_Dump(self.packet)
def __del__(self):
librtmp.RTMPPacket_Free(self.packet)
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