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| author | Anton Khirnov <anton@khirnov.net> | 2012-04-09 06:05:50 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2012-04-09 21:29:05 +0200 |
| commit | 90f65dc6cf65d1c849a9fa372ac2dda427a258e2 (patch) | |
| tree | 62199d7e9bd06caa5a327bc9d5f95fe215b5a42b | |
| parent | 7c59b5c2a5a19638c6c4411fb96fcd50066905c6 (diff) | |
| download | ffmpeg-90f65dc6cf65d1c849a9fa372ac2dda427a258e2.tar.gz | |
vf_scale: support named constants for sws flags.
| -rw-r--r-- | libavfilter/vf_scale.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index a4da088936..85095b78d7 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -27,6 +27,7 @@ #include "libavutil/avstring.h" #include "libavutil/eval.h" #include "libavutil/mathematics.h" +#include "libavutil/opt.h" #include "libavutil/pixdesc.h" #include "libswscale/swscale.h" @@ -91,7 +92,15 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque) if (args) { sscanf(args, "%255[^:]:%255[^:]", scale->w_expr, scale->h_expr); p = strstr(args,"flags="); - if (p) scale->flags = strtoul(p+6, NULL, 0); + if (p) { + const AVClass *class = sws_get_class(); + const AVOption *o = av_opt_find(&class, "sws_flags", NULL, 0, + AV_OPT_SEARCH_FAKE_OBJ); + int ret = av_opt_eval_flags(&class, o, p + 6, &scale->flags); + + if (ret < 0) + return ret; + } } return 0; |