lavu/opt: introduce av_opt_serialize()

Function allows to create string containing object's serialized options.
Such string may be passed back to av_set_options_string() in order to restore options.

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

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/ref/fate/opt b/tests/ref/fate/opt
index 7953ce8eca..16f338732a 100644
--- a/tests/ref/fate/opt
+++ b/tests/ref/fate/opt
@@ -34,6 +34,8 @@ name:  duration default:0 error:
 name:     color default:0 error:
 name:        cl default:0 error:
 name:       bin default:0 error:
+name:      bin1 default:1 error:
+name:      bin2 default:1 error:
 name:     num64 default:0 error:
 name:       flt default:0 error:
 name:       dbl default:0 error:
@@ -53,10 +55,16 @@ name:  duration default:1 error:
 name:     color default:1 error:
 name:        cl default:1 error:
 name:       bin default:1 error:
+name:      bin1 default:1 error:
+name:      bin2 default:1 error:
 name:     num64 default:1 error:
 name:       flt default:1 error:
 name:       dbl default:1 error:
 
+Test av_opt_serialize()
+num=0,toggle=1,rational=1/1,string=default,flags=0x00000001,size=200x300,pix_fmt=0bgr,sample_fmt=s16,video_rate=25/1,duration=0:00:00.001000,color=0xffc0cbff,cl=0x137,bin=62696E00,bin1=,bin2=,num64=1,flt=0.333333,dbl=0.333333
+num=0,toggle=1,rational=1/1,string=default,flags=0x00000001,size=200x300,pix_fmt=0bgr,sample_fmt=s16,video_rate=25/1,duration=0:00:00.001000,color=0xffc0cbff,cl=0x137,bin=62696E00,bin1=,bin2=,num64=1,flt=0.333333,dbl=0.333333
+
 Testing av_set_options_string()
 OK    ''
 Error ':'