1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
import cython
from cython.cimports.av.audio.frame import AudioFrame
from cython.cimports.av.packet import Packet
@cython.cclass
class AudioStream(Stream):
def __repr__(self):
form = self.format.name if self.format else None
return (
f"<av.AudioStream #{self.index} {self.name} at {self.rate}Hz,"
f" {self.layout.name}, {form} at 0x{id(self):x}>"
)
def __getattr__(self, name):
return getattr(self.codec_context, name)
@cython.ccall
def encode(self, frame: AudioFrame | None = None):
"""
Encode an :class:`.AudioFrame` and return a list of :class:`.Packet`.
:rtype: list[Packet]
.. seealso:: This is mostly a passthrough to :meth:`.CodecContext.encode`.
"""
packets = self.codec_context.encode(frame)
packet: Packet
for packet in packets:
packet._stream = self
packet.ptr.stream_index = self.ptr.index
return packets
@cython.ccall
def decode(self, packet: Packet | None = None):
"""
Decode a :class:`.Packet` and return a list of :class:`.AudioFrame`.
:rtype: list[AudioFrame]
.. seealso:: This is a passthrough to :meth:`.CodecContext.decode`.
"""
return self.codec_context.decode(packet)
|
