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| author | Alex Converse <alex.converse@gmail.com> | 2012-05-04 10:27:03 -0700 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2012-05-06 21:40:58 +0200 |
| commit | 08c81f7365af96c1655767e68d6ec85bea50600c (patch) | |
| tree | f07a3a2550fcb1ce567743864d8757d68ca0489a | |
| parent | 50073e2395522b6e2b8698ff0dd06ffaf8cbf8ce (diff) | |
| download | ffmpeg-08c81f7365af96c1655767e68d6ec85bea50600c.tar.gz | |
celp filters: Do not read earlier than the start of the 'out' vector.
CC: libav-stable@libav.org
(cherry picked from commit 37ddd3833219fa7b913fff3f5cccc6878b047e6b)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
(cherry picked from commit 9ea94c44b1b414ab3bc6e9220ebb77621423ca38)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
| -rw-r--r-- | libavcodec/celp_filters.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/libavcodec/celp_filters.c b/libavcodec/celp_filters.c index 25a6744b04..849cda439e 100644 --- a/libavcodec/celp_filters.c +++ b/libavcodec/celp_filters.c @@ -133,9 +133,8 @@ void ff_celp_lp_synthesis_filterf(float *out, const float *filter_coeffs, out2 -= val * old_out2; out3 -= val * old_out3; - old_out3 = out[-5]; - for (i = 5; i <= filter_length; i += 2) { + old_out3 = out[-i]; val = filter_coeffs[i-1]; out0 -= val * old_out3; @@ -154,7 +153,6 @@ void ff_celp_lp_synthesis_filterf(float *out, const float *filter_coeffs, FFSWAP(float, old_out0, old_out2); old_out1 = old_out3; - old_out3 = out[-i-2]; } tmp0 = out0; |