1 .. -*- coding: utf-8; mode: rst -*-
14 .. attention:: This ioctl is deprecated
19 .. c:function:: int ioctl(int fd, AUDIO_SET_ID, int id)
34 - File descriptor returned by a previous call to open().
46 This ioctl selects which sub-stream is to be decoded if a program or
47 system stream is sent to the video device. If no audio stream type is
48 set the id has to be in [0xC0,0xDF] for MPEG sound, in [0x80,0x87] for
49 AC3 and in [0xA0,0xA7] for LPCM. More specifications may follow for
50 other stream types. If the stream type is set the id just specifies the
51 substream id of the audio stream and only the first 5 bits are
58 On success 0 is returned, on error -1 and the ``errno`` variable is set
59 appropriately. The generic error codes are described at the
60 :ref:`Generic Error Codes <gen-errors>` chapter.