[FFmpeg-cvslog] avfilter/vf_dnn_classify: replace magic number by enum value

[Zhao Zhili]

ffmpeg | branch: master | Zhao Zhili <zhilizhao at tencent.com> | Sun Apr 30 23:38:56 2023 +0800| [a887bc4ff117620031c043159ef421e1f3c66f21] | committer: Zhao Zhili

avfilter/vf_dnn_classify: replace magic number by enum value

Signed-off-by: Zhao Zhili <zhilizhao at tencent.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a887bc4ff117620031c043159ef421e1f3c66f21
---

 libavfilter/vf_dnn_classify.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/vf_dnn_classify.c b/libavfilter/vf_dnn_classify.c
index d242aebcfb..c3f2762cf9 100644
--- a/libavfilter/vf_dnn_classify.c
+++ b/libavfilter/vf_dnn_classify.c
@@ -44,9 +44,9 @@ typedef struct DnnClassifyContext {
 #define OFFSET2(x) offsetof(DnnClassifyContext, x)
 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM
 static const AVOption dnn_classify_options[] = {
-    { "dnn_backend", "DNN backend",                OFFSET(backend_type),     AV_OPT_TYPE_INT,       { .i64 = 2 },    INT_MIN, INT_MAX, FLAGS, "backend" },
+    { "dnn_backend", "DNN backend",                OFFSET(backend_type),     AV_OPT_TYPE_INT,       { .i64 = DNN_OV },    INT_MIN, INT_MAX, FLAGS, "backend" },
 #if (CONFIG_LIBOPENVINO == 1)
-    { "openvino",    "openvino backend flag",      0,                        AV_OPT_TYPE_CONST,     { .i64 = 2 },    0, 0, FLAGS, "backend" },
+    { "openvino",    "openvino backend flag",      0,                        AV_OPT_TYPE_CONST,     { .i64 = DNN_OV },    0, 0, FLAGS, "backend" },
 #endif
     DNN_COMMON_OPTIONS
     { "confidence",  "threshold of confidence",    OFFSET2(confidence),      AV_OPT_TYPE_FLOAT,     { .dbl = 0.5 },  0, 1, FLAGS},