Re: [Qemu-devel] [PULL v3 1/3] replay: add record/replay for audio passthrough

["Alex Bennée" <alex.bennee@linaro.org>]

Gerd Hoffmann <kraxel@redhat.com> writes:

> From: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
>
> 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>
> ---
>  audio/audio.c            |  9 ++++--
>  audio/audio.h            |  5 +++
>  audio/mixeng.c           | 32 ++++++++++++++++++++
>  docs/replay.txt          |  7 +++++
>  include/sysemu/replay.h  |  7 +++++
>  replay/Makefile.objs     |  1 +
>  replay/replay-audio.c    | 79 ++++++++++++++++++++++++++++++++++++++++++++++++
>  replay/replay-internal.h |  4 +++
>  8 files changed, 142 insertions(+), 2 deletions(-)
>  create mode 100644 replay/replay-audio.c
>
<snip>
> diff --git a/replay/replay-internal.h b/replay/replay-internal.h
> index c26d079..ed66ed8 100644
> --- a/replay/replay-internal.h
> +++ b/replay/replay-internal.h
> @@ -29,6 +29,10 @@ enum ReplayEvents {
>      /* for character device read all event */
>      EVENT_CHAR_READ_ALL,
>      EVENT_CHAR_READ_ALL_ERROR,
> +    /* for audio out event */
> +    EVENT_AUDIO_OUT,
> +    /* for audio in event */
> +    EVENT_AUDIO_IN,
>      /* for clock read/writes */
>      /* some of greater codes are reserved for clocks */
>      EVENT_CLOCK,

Well one thing I noticed while I was trying to work out the difference
between pre/post mttcg replay problems is the log format ABI has
changed. REPLAY_VERSION needs to be bumped to prevent confusion.

--
Alex Bennée