[Buildroot] [PATCH 1/2] SDL_mixer: Add option to prefer Tremor over libvorbis

[Paul Cercueil <paul@crapouillou.net>]

Hi Peter,


Le mar., d?c. 10, 2019 at 10:29, Peter Korsgaard <peter@korsgaard.com> 
a ?crit :
>>>>>>  "Paul" == Paul Cercueil <paul@crapouillou.net> writes:
> 
>  > Add a menu option to set the Vorbis decoding library to Tremor 
> instead
>  > of libvorbis.
> 
>  > Signed-off-by: Paul Cercueil <paul@crapouillou.net>
>  > ---
>  >  package/sdl_mixer/Config.in    | 13 +++++++++++++
>  >  package/sdl_mixer/sdl_mixer.mk |  5 +++++
>  >  2 files changed, 18 insertions(+)
> 
>  > diff --git a/package/sdl_mixer/Config.in 
> b/package/sdl_mixer/Config.in
>  > index 42dfe63c0a..94fcda7a0e 100644
>  > --- a/package/sdl_mixer/Config.in
>  > +++ b/package/sdl_mixer/Config.in
>  > @@ -9,3 +9,16 @@ config BR2_PACKAGE_SDL_MIXER
>  >  	  SMPEG MP3 libraries.
> 
>  >  	  http://www.libsdl.org/projects/SDL_mixer/
>  > +
>  > +if BR2_PACKAGE_SDL_MIXER
>  > +
>  > +config BR2_PACKAGE_SDL_MIXER_USE_TREMOR
>  > +	bool "Prefer Tremor for Vorbis decoding"
>  > +	select BR2_PACKAGE_TREMOR
>  > +	help
>  > +	  Prefer Tremor over libvorbis for Vorbis decoding.
>  > +	  Tremor is a fixed-point implementation of an Ogg Vorbis
>  > +	  decoder. Choose this option if the target CPU has no
>  > +	  FPU.
>  > +
>  > +endif
>  > diff --git a/package/sdl_mixer/sdl_mixer.mk 
> b/package/sdl_mixer/sdl_mixer.mk
>  > index 9183a4aa8c..3159d0dee1 100644
>  > --- a/package/sdl_mixer/sdl_mixer.mk
>  > +++ b/package/sdl_mixer/sdl_mixer.mk
>  > @@ -35,11 +35,16 @@ else
>  >  SDL_MIXER_CONF_OPTS += --disable-music-mp3-mad-gpl
>  >  endif
> 
>  > +ifeq ($(BR2_PACKAGE_SDL_MIXER_USE_TREMOR),y)
>  > +SDL_MIXER_CONF_OPTS += --enable-music-ogg-tremor
>  > +SDL_MIXER_DEPENDENCIES += tremor
>  > +else
>  >  ifeq ($(BR2_PACKAGE_LIBVORBIS),y)
> 
> Do we need an explicit option for this? Can't we just check for
> BR2_PACKAGE_TREMOR here? I doubt there is any situations where tremor 
> is
> enabled but the user doesn't want to use it.

That's up to you really. I can send a v2 with the Config.in option 
removed.

-Paul