diff options
| -rw-r--r-- | libavfilter/vf_signature.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavfilter/vf_signature.c b/libavfilter/vf_signature.c index 80957d0047..32a6405e14 100644 --- a/libavfilter/vf_signature.c +++ b/libavfilter/vf_signature.c @@ -132,8 +132,9 @@ static uint64_t get_block_sum(StreamContext *sc, uint64_t intpic[32][32], const return sum; } -static int cmp(const uint64_t *a, const uint64_t *b) +static int cmp(const void *x, const void *y) { + const uint64_t *a = x, *b = y; return *a < *b ? -1 : ( *a > *b ? 1 : 0 ); } @@ -291,7 +292,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *picref) } /* get threshold */ - qsort(sortsignature, elemcat->elem_count, sizeof(uint64_t), (void*) cmp); + qsort(sortsignature, elemcat->elem_count, sizeof(uint64_t), cmp); th = sortsignature[(int) (elemcat->elem_count*0.333)]; /* ternarize */ @@ -317,7 +318,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *picref) } /* confidence */ - qsort(conflist, DIFFELEM_SIZE, sizeof(uint64_t), (void*) cmp); + qsort(conflist, DIFFELEM_SIZE, sizeof(uint64_t), cmp); fs->confidence = FFMIN(conflist[DIFFELEM_SIZE/2], 255); /* coarsesignature */ |