diff options
| -rw-r--r-- | libavfilter/vf_readeia608.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/libavfilter/vf_readeia608.c b/libavfilter/vf_readeia608.c index 845b63663c..2973847d40 100644 --- a/libavfilter/vf_readeia608.c +++ b/libavfilter/vf_readeia608.c @@ -37,8 +37,10 @@ #include "video.h" #define LAG 25 -#define SYNC_MIN 12.f -#define SYNC_MAX 15.f +#define CLOCK_BITSIZE_MIN 0.2f +#define CLOCK_BITSIZE_MAX 1.5f +#define SYNC_BITSIZE_MIN 12.f +#define SYNC_BITSIZE_MAX 15.f typedef struct LineItem { int input; @@ -314,8 +316,8 @@ static void extract_line(AVFilterContext *ctx, AVFrame *in, int w, int nb_line) dump_code(ctx, len, nb_line); if (len < 15 || s->code[14].bit != 0 || - w / (float)s->code[14].size < SYNC_MIN || - w / (float)s->code[14].size > SYNC_MAX) { + w / (float)s->code[14].size < SYNC_BITSIZE_MIN || + w / (float)s->code[14].size > SYNC_BITSIZE_MAX) { return; } @@ -325,8 +327,8 @@ static void extract_line(AVFilterContext *ctx, AVFrame *in, int w, int nb_line) bit_size /= 19.f; for (i = 1; i < 14; i++) { - if (s->code[i].size > bit_size * 1.5f || - s->code[i].size < bit_size * 0.2f) { + if (s->code[i].size / bit_size > CLOCK_BITSIZE_MAX || + s->code[i].size / bit_size < CLOCK_BITSIZE_MIN) { return; } } |