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| author | Paul B Mahol <onemda@gmail.com> | 2019-04-24 14:36:59 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2019-04-24 22:31:02 +0200 |
| commit | 2d16b83824c12b4cb3049c4dce7c9542e40a3a68 (patch) | |
| tree | 30e184c660577d166924c120699c30b0d119e318 /libavfilter/af_surround.c | |
| parent | e1e0f94dc9568898adfb91f1d859a0e8437025ea (diff) | |
avfilter/af_surround: check for invalid magnitude and phase difference
Diffstat (limited to 'libavfilter/af_surround.c')
| -rw-r--r-- | libavfilter/af_surround.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/af_surround.c b/libavfilter/af_surround.c index bae13322bb..bccea2b938 100644 --- a/libavfilter/af_surround.c +++ b/libavfilter/af_surround.c @@ -18,6 +18,7 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include "libavutil/avassert.h" #include "libavutil/audio_fifo.h" #include "libavutil/channel_layout.h" #include "libavutil/opt.h" @@ -335,6 +336,8 @@ static void stereo_transform(float *x, float *y, float angle) static void stereo_position(float a, float p, float *x, float *y) { + av_assert2(a >= -1.f && a <= 1.f); + av_assert2(p >= 0.f && p <= M_PI); *x = av_clipf(a+FFMAX(0, sinf(p-M_PI_2))*FFDIFFSIGN(a,0), -1, 1); *y = av_clipf(cosf(a*M_PI_2+M_PI)*cosf(M_PI_2-p/M_PI)*M_LN10+1, -1, 1); } |