[vlc-devel] [PATCH 7/7] video_output: read the user aspect-ratio values before creating the display

[Thomas Guillem]

On Tue, Sep 1, 2020, at 12:06, Steve Lhomme wrote:
> ---
>  src/video_output/video_output.c  | 7 +++++++
>  src/video_output/vout_internal.h | 1 +
>  src/video_output/vout_intf.c     | 2 +-
>  3 files changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/src/video_output/video_output.c 
> b/src/video_output/video_output.c
> index 383130a7287..9064111295f 100644
> --- a/src/video_output/video_output.c
> +++ b/src/video_output/video_output.c
> @@ -2216,6 +2216,13 @@ int vout_Request(const vout_configuration_t 
> *cfg, vlc_video_context *vctx, input
>      }
>  
>      vlc_mutex_lock(&sys->window_lock);
> +    char *psz_ar = var_InheritString(&vout->obj, "aspect-ratio");
> +    if (psz_ar) {
> +        unsigned num, den;
> +        if (GetAspectRatio(psz_ar, &num, &den))
> +            ChangeDisplayAspectRatio(sys, num, den);
> +        free(psz_ar);
> +    }

Same question than 5/7

>      char *psz_crop = var_InheritString(&vout->obj, "crop");
>      if (psz_crop) {
>          unsigned num, den;
> diff --git a/src/video_output/vout_internal.h 
> b/src/video_output/vout_internal.h
> index 54eb4a7c0a0..35da512581f 100644
> --- a/src/video_output/vout_internal.h
> +++ b/src/video_output/vout_internal.h
> @@ -108,6 +108,7 @@ bool GetCropMode(const char *crop_str, enum 
> vout_crop_mode *mode,
>                          unsigned *num, unsigned *den,
>                          unsigned *x, unsigned *y,
>                          unsigned *width, unsigned *height );
> +bool GetAspectRatio(const char *ar_str, unsigned *num, unsigned *den);
>  
>  /* TODO to move them to vlc_vout.h */
>  void vout_ChangeFullscreen(vout_thread_t *, const char *id);
> diff --git a/src/video_output/vout_intf.c b/src/video_output/vout_intf.c
> index 12e830d29d5..6446fd916cf 100644
> --- a/src/video_output/vout_intf.c
> +++ b/src/video_output/vout_intf.c
> @@ -523,7 +523,7 @@ static int CropBorderCallback(vlc_object_t *object, 
> char const *cmd,
>      return VLC_SUCCESS;
>  }
>  
> -static bool GetAspectRatio(const char *ar_str, unsigned *num, unsigned *den)
> +bool GetAspectRatio(const char *ar_str, unsigned *num, unsigned *den)
>  {
>      if (sscanf(ar_str, "%u:%u", num, den) == 2 &&
>          (num != 0) == (den != 0))
> -- 
> 2.26.2
> 
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