lavu/opt: introduce av_opt_is_set_to_default()

New function allows to check if option is set to its default value

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/tests/ref/fate/opt b/tests/ref/fate/opt
index 6523390dde..7953ce8eca 100644
--- a/tests/ref/fate/opt
+++ b/tests/ref/fate/opt
@@ -17,6 +17,46 @@ num64=1
 flt=0.333333
 dbl=0.333333
 
+Testing av_opt_is_set_to_default()
+name:       num default:1 error:
+name:    toggle default:0 error:
+name:  rational default:0 error:
+name:    string default:0 error:
+name:     flags default:0 error:
+name:      cool default:1 error:Option not found
+name:      lame default:1 error:Option not found
+name:        mu default:1 error:Option not found
+name:      size default:0 error:
+name:   pix_fmt default:0 error:
+name:sample_fmt default:0 error:
+name:video_rate default:0 error:
+name:  duration default:0 error:
+name:     color default:0 error:
+name:        cl default:0 error:
+name:       bin default:0 error:
+name:     num64 default:0 error:
+name:       flt default:0 error:
+name:       dbl default:0 error:
+name:       num default:1 error:
+name:    toggle default:1 error:
+name:  rational default:1 error:
+name:    string default:1 error:
+name:     flags default:1 error:
+name:      cool default:1 error:Option not found
+name:      lame default:1 error:Option not found
+name:        mu default:1 error:Option not found
+name:      size default:1 error:
+name:   pix_fmt default:1 error:
+name:sample_fmt default:1 error:
+name:video_rate default:1 error:
+name:  duration default:1 error:
+name:     color default:1 error:
+name:        cl default:1 error:
+name:       bin default:1 error:
+name:     num64 default:1 error:
+name:       flt default:1 error:
+name:       dbl default:1 error:
+
 Testing av_set_options_string()
 OK    ''
 Error ':'