[FFmpeg-cvslog] sipr: fix get_bits(0) calls
Mans Rullgard
git at videolan.org
Fri Nov 4 13:22:19 CET 2011
ffmpeg | branch: release/0.8 | Mans Rullgard <mans at mansr.com> | Mon Oct 10 20:41:31 2011 +0100| [73f85eae68b6d40cad1cd53b04a6ed1a31cced1b] | committer: Michael Niedermayer
sipr: fix get_bits(0) calls
Zero-length get_bits() is undefined, must check before calling.
Signed-off-by: Mans Rullgard <mans at mansr.com>
(cherry picked from commit c79d2a20bad59298188171f1316a830d563a41ee)
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=73f85eae68b6d40cad1cd53b04a6ed1a31cced1b
---
libavcodec/sipr.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavcodec/sipr.c b/libavcodec/sipr.c
index db5ded7..bd7d223 100644
--- a/libavcodec/sipr.c
+++ b/libavcodec/sipr.c
@@ -194,14 +194,16 @@ static void decode_parameters(SiprParameters* parms, GetBitContext *pgb,
{
int i, j;
- parms->ma_pred_switch = get_bits(pgb, p->ma_predictor_bits);
+ if (p->ma_predictor_bits)
+ parms->ma_pred_switch = get_bits(pgb, p->ma_predictor_bits);
for (i = 0; i < 5; i++)
parms->vq_indexes[i] = get_bits(pgb, p->vq_indexes_bits[i]);
for (i = 0; i < p->subframe_count; i++) {
parms->pitch_delay[i] = get_bits(pgb, p->pitch_delay_bits[i]);
- parms->gp_index[i] = get_bits(pgb, p->gp_index_bits);
+ if (p->gp_index_bits)
+ parms->gp_index[i] = get_bits(pgb, p->gp_index_bits);
for (j = 0; j < p->number_of_fc_indexes; j++)
parms->fc_indexes[i][j] = get_bits(pgb, p->fc_index_bits[j]);
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