[FFmpeg-cvslog] buffersrc: default SAR to 0 (unknown) rather than 1

[Anton Khirnov]

ffmpeg | branch: master | Anton Khirnov <anton at khirnov.net> | Fri Feb 12 09:21:00 2016 +0100| [c084d6d2cfb570b10d8784eb20cc696dfb7c5605] | committer: Anton Khirnov

buffersrc: default SAR to 0 (unknown) rather than 1

It makes more sense to not claim anything about the SAR if we don't know
anything. No changes in the FATE tests, since this is what avconv ends
up doing anyway.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c084d6d2cfb570b10d8784eb20cc696dfb7c5605
---

 libavfilter/buffersrc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
index 0079f51..e683796 100644
--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -190,7 +190,7 @@ static const AVOption video_options[] = {
     { "sar_num",       "deprecated, do not use", OFFSET(pixel_aspect.num), AV_OPT_TYPE_INT,      { .i64 = 0 }, 0, INT_MAX, V },
     { "sar_den",       "deprecated, do not use", OFFSET(pixel_aspect.den), AV_OPT_TYPE_INT,      { .i64 = 0 }, 0, INT_MAX, V },
 #endif
-    { "sar",           "sample aspect ratio",    OFFSET(pixel_aspect),     AV_OPT_TYPE_RATIONAL, { .dbl = 1 }, 0, DBL_MAX, V },
+    { "sar",           "sample aspect ratio",    OFFSET(pixel_aspect),     AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
     { "time_base",     NULL,                     OFFSET(time_base),        AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
     { "frame_rate",    NULL,                     OFFSET(frame_rate),       AV_OPT_TYPE_RATIONAL, { .dbl = 0 }, 0, DBL_MAX, V },
     { NULL },