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audio: documentation fixes.

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audio: new backend api (first part of the surround sound patch series).
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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20190924-pull-request' into staging

audio: documentation fixes.
audio: new backend api (first part of the surround sound patch series).

# gpg: Signature made Tue 24 Sep 2019 07:19:31 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/audio-20190924-pull-request:
  audio: split ctl_* functions into enable_* and volume_*
  audio: common rate control code for timer based outputs
  audio: unify input and output mixeng buffer management
  audio: remove remains of the old backend api
  wavaudio: port to the new audio backend api
  spiceaudio: port to the new audio backend api
  sdlaudio: port to the new audio backend api
  paaudio: port to the new audio backend api
  ossaudio: port to the new audio backend api
  noaudio: port to the new audio backend api
  dsoundaudio: port to the new audio backend api
  coreaudio: port to the new audio backend api
  alsaaudio: port to the new audio backend api
  audio: api for mixeng code free backends
  audio: fix ALSA period-length typo in documentation
  audio: fix buffer-length typo in documentation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2019-09-24 13:51:51 +01:00
commit 860d9048c7
18 changed files with 1077 additions and 1915 deletions
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8
qemu-options.hx
View file

@ -439,13 +439,13 @@ DEF("audiodev", HAS_ARG, QEMU_OPTION_audiodev,
" in|out.format= sample format to use with fixed settings\n"
" valid values: s8, s16, s32, u8, u16, u32\n"
" in|out.voices= number of voices to use\n"
" in|out.buffer-len= length of buffer in microseconds\n"
" in|out.buffer-length= length of buffer in microseconds\n"
"-audiodev none,id=id,[,prop[=value][,...]]\n"
" dummy driver that discards all output\n"
#ifdef CONFIG_AUDIO_ALSA
"-audiodev alsa,id=id[,prop[=value][,...]]\n"
" in|out.dev= name of the audio device to use\n"
" in|out.period-len= length of period in microseconds\n"
" in|out.period-length= length of period in microseconds\n"
" in|out.try-poll= attempt to use poll mode\n"
" threshold= threshold (in microseconds) when playback starts\n"
#endif
@ -524,7 +524,7 @@ Valid values are: @code{s8}, @code{s16}, @code{s32}, @code{u8},
@item in|out.voices=@var{voices}
Specify the number of @var{voices} to use. Default is 1.
@item in|out.buffer=@var{usecs}
@item in|out.buffer-length=@var{usecs}
Sets the size of the buffer in microseconds.
@end table
@ -545,7 +545,7 @@ ALSA specific options are:
Specify the ALSA @var{device} to use for input and/or output. Default
is @code{default}.
@item in|out.period-len=@var{usecs}
@item in|out.period-length=@var{usecs}
Sets the period length in microseconds.
@item in|out.try-poll=on|off