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author | Kyle Swanson <k@ylo.ph> | 2015-10-28 21:29:59 -0500 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-10-29 18:16:09 +0100 |
commit | 3b1939bb6679e4e2e91eb41e7f09830ac418de16 (patch) | |
tree | d43b66b1041f7744071c53343d3272bf948d0101 /libavfilter | |
parent | e5451f25d3c2728943d31da2cf7975f33f5c9831 (diff) | |
download | ffmpeg-streaming-3b1939bb6679e4e2e91eb41e7f09830ac418de16.zip ffmpeg-streaming-3b1939bb6679e4e2e91eb41e7f09830ac418de16.tar.gz |
avfilter/tremolo: fix wavetable buffer size
Signed-off-by: Kyle Swanson <k@ylo.ph>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavfilter')
-rw-r--r-- | libavfilter/af_tremolo.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavfilter/af_tremolo.c b/libavfilter/af_tremolo.c index 50df2e4..572e9e3 100644 --- a/libavfilter/af_tremolo.c +++ b/libavfilter/af_tremolo.c @@ -72,7 +72,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) dst += channels; src += channels; s->index++; - if (s->index >= inlink->sample_rate) + if (s->index >= inlink->sample_rate / s->freq) s->index = 0; } @@ -125,11 +125,11 @@ static int config_input(AVFilterLink *inlink) const double offset = 1. - s->depth / 2.; int i; - s->table = av_malloc_array(inlink->sample_rate, sizeof(*s->table)); + s->table = av_malloc_array(inlink->sample_rate / s->freq, sizeof(*s->table)); if (!s->table) return AVERROR(ENOMEM); - for (i = 0; i < inlink->sample_rate; i++) { + for (i = 0; i < inlink->sample_rate / s->freq; i++) { double env = s->freq * i / inlink->sample_rate; env = sin(2 * M_PI * fmod(env + 0.25, 1.0)); s->table[i] = env * (1 - fabs(offset)) + offset; |