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replay: add record/replay for audio passthrough

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This patch adds recording and replaying audio data. Is saves synchronization
information for audio out and inputs from the microphone.

v2: removed unneeded whitespace change

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-id: 20170202055054.4848.94901.stgit@PASHA-ISP.lan02.inno

[ kraxel: add qemu/error-report.h include to fix osx build failure ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Pavel Dovgalyuk 2017-02-02 08:50:54 +03:00 • committed by Gerd Hoffmann
parent e7c83a885f
commit 3d4d16f4dc
8 changed files with 142 additions and 2 deletions
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7
docs/replay.txt
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@ -225,3 +225,10 @@ recording the virtual machine this filter puts all packets coming from
the outer world into the log. In replay mode packets from the log are
injected into the network device. All interactions with network backend
in replay mode are disabled.
Audio devices
-------------
Audio data is recorded and replay automatically. The command line for recording
and replaying must contain identical specifications of audio hardware, e.g.:
-soundhw ac97