diff options
Diffstat (limited to 'libavfilter/vf_convolution.c')
| -rw-r--r-- | libavfilter/vf_convolution.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/libavfilter/vf_convolution.c b/libavfilter/vf_convolution.c index 47b59de421..6e6fe0d887 100644 --- a/libavfilter/vf_convolution.c +++ b/libavfilter/vf_convolution.c @@ -709,12 +709,14 @@ static int param_init(AVFilterContext *ctx) if (!strcmp(ctx->filter->name, "convolution")) { for (i = 0; i < 4; i++) { int *matrix = (int *)s->matrix[i]; - char *p, *arg, *saveptr = NULL; - float sum = 0; + char *orig, *p, *arg, *saveptr = NULL; + float sum = 1.f; - p = s->matrix_str[i]; + p = orig = av_strdup(s->matrix_str[i]); if (p) { s->matrix_length[i] = 0; + s->rdiv[i] = 0.f; + sum = 0.f; while (s->matrix_length[i] < 49) { if (!(arg = av_strtok(p, " |", &saveptr))) @@ -726,6 +728,7 @@ static int param_init(AVFilterContext *ctx) s->matrix_length[i]++; } + av_freep(&orig); if (!(s->matrix_length[i] & 1)) { av_log(ctx, AV_LOG_ERROR, "number of matrix elements must be odd\n"); return AVERROR(EINVAL); |