[vlc-devel] [PATCH] lib: allow media player volume to be set before playing media

[Rémi Denis-Courmont]

Le lundi 24 février 2014, 20:38:06 Mark Lee a écrit :
> This is based on similar initialisation as is already done in the
> playlist_Create() function.
> ---
>  include/vlc_input.h | 10 ++++++++++

Remove it from the current .h file if you add it there, please.

Otherwise it looks OK.

>  lib/media_player.c  |  4 ++++
>  src/libvlccore.sym  |  2 ++
>  3 files changed, 16 insertions(+)
> 
> diff --git a/include/vlc_input.h b/include/vlc_input.h
> index 4098e6b..176bf51 100644
> --- a/include/vlc_input.h
> +++ b/include/vlc_input.h
> @@ -653,4 +653,14 @@ VLC_API void input_resource_Terminate( input_resource_t
> * ); */
>  VLC_API audio_output_t *input_resource_HoldAout( input_resource_t * );
> 
> +/**
> + * This function creates or recycles an audio output.
> + */
> +VLC_API audio_output_t *input_resource_GetAout( input_resource_t * );
> +
> +/**
> + * This function retains or destroys an audio output.
> + */
> +VLC_API void input_resource_PutAout( input_resource_t *, audio_output_t *
> ); +
>  #endif
> diff --git a/lib/media_player.c b/lib/media_player.c
> index daa9def..868aefe 100644
> --- a/lib/media_player.c
> +++ b/lib/media_player.c
> @@ -501,6 +501,10 @@ libvlc_media_player_new( libvlc_instance_t *instance )
>          vlc_object_release(mp);
>          return NULL;
>      }
> +    audio_output_t *aout = input_resource_GetAout(mp->input.p_resource);
> +    if( aout != NULL )
> +        input_resource_PutAout(mp->input.p_resource, aout);
> +
>      vlc_mutex_init (&mp->input.lock);
>      mp->i_refcount = 1;
>      mp->p_event_manager = libvlc_event_manager_new(mp, instance);
> diff --git a/src/libvlccore.sym b/src/libvlccore.sym
> index f6f8300..3858e43 100644
> --- a/src/libvlccore.sym
> +++ b/src/libvlccore.sym
> @@ -217,7 +217,9 @@ input_resource_New
>  input_resource_Release
>  input_resource_TerminateVout
>  input_resource_Terminate
> +input_resource_GetAout
>  input_resource_HoldAout
> +input_resource_PutAout
>  input_Start
>  input_Stop
>  input_vaControl

-- 
Rémi Denis-Courmont
http://www.remlab.net/