[Spice-devel] [PATCH spice-gtk v3] configure: Try gstreamer audio backend if pulse is not available

[Marc-André Lureau]

I haven't tried it, but it looks good, ack

----- Original Message -----
> Disable audio if no backend is available and configure is used with
> the option '--with-audio=auto'
> ---
> v3: Fixed problem when both backends were available (both WITH_PULSE and
> WITH_GSTAUDIO were defined)
> v2: Removed AS_IF cascade, merged with "configure: Do not force audio by
> default"
> ---
>  configure.ac | 35 ++++++++++++++++++-----------------
>  1 file changed, 18 insertions(+), 17 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 1d8f4d0..4b0af64 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -296,23 +296,28 @@ AC_ARG_WITH([audio],
>    [],
>    [with_audio="auto"])
>  
> -AS_IF([test "x$with_audio" = "xauto"], [
> -  AS_IF([test "x$os_win32" = "xyes"], [with_audio=gstreamer],
> [with_audio=pulse])
> -])
> -
>  case "$with_audio" in
> -  gstreamer|pulse|no*)
> +  gstreamer|pulse|auto*)
> +    PKG_CHECK_MODULES(GST, gstreamer-1.0 gstreamer-base-1.0
> gstreamer-app-1.0 gstreamer-audio-1.0, [have_gst=yes], [have_gst=no])
> +    PKG_CHECK_MODULES(PULSE, libpulse libpulse-mainloop-glib,
> [have_pulse=yes], [have_pulse=no])
> +    ;;
> +  no*)
>      ;;
>    *) AC_MSG_ERROR(Unsupported audio backend)
>  esac
>  
> -AS_IF([test "x$with_audio" = "xpulse"],
> -      [PKG_CHECK_MODULES(PULSE, libpulse libpulse-mainloop-glib,
> [have_pulse=yes], [have_pulse=no])],
> -      [have_pulse=no])
> +AS_IF([test "x$with_audio" = "xauto" && test "x$have_pulse" = "xyes"],
> +      [with_audio=pulse])
>  
> -AS_IF([test "x$have_pulse" = "xyes"],
> -      [AC_DEFINE([WITH_PULSE], 1, [Have pulseaudio?])],
> -      [AS_IF([test "x$with_audio" = "xpulse"],
> +AS_IF([test "x$with_audio" = "xauto" && test "x$have_gst" = "xyes"],
> +      [with_audio=gstreamer])
> +
> +AS_IF([test "x$with_audio" = "xauto"],
> +      [with_audio=no])
> +
> +AS_IF([test "x$with_audio" = "xpulse"],
> +      [AS_IF([test "x$have_pulse" = "xyes"],
> +             [AC_DEFINE([WITH_PULSE], 1, [Have pulseaudio?])],
>               [AC_MSG_ERROR([PulseAudio requested but not found])
>        ])
>  ])
> @@ -321,12 +326,8 @@ AC_SUBST(PULSE_CFLAGS)
>  AC_SUBST(PULSE_LIBS)
>  
>  AS_IF([test "x$with_audio" = "xgstreamer"],
> -      [PKG_CHECK_MODULES(GST, gstreamer-1.0 gstreamer-base-1.0
> gstreamer-app-1.0 gstreamer-audio-1.0, [have_gst=yes], [have_gst=no])],
> -      [have_gst=no])
> -
> -AS_IF([test "x$have_gst" = "xyes"],
> -      [AC_DEFINE([WITH_GSTAUDIO], 1, [Have GStreamer 1.0?])],
> -      [AS_IF([test "x$with_audio" = "xgstreamer"],
> +      [AS_IF([test "x$have_gst" = "xyes"],
> +             [AC_DEFINE([WITH_GSTAUDIO], 1, [Have GStreamer 1.0?])],
>               [AC_MSG_ERROR([GStreamer 1.0 requested but not found])
>        ])
>  ])
> --
> 2.4.3
> 
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