[SCM] libav/experimental: Fix reading beyond buffer end on RA144Context.lpc_tables.
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 16:59:56 UTC 2013
The following commit has been merged in the experimental branch:
commit 7df8af6385834e58858779ed2fe85c0ce6b2ee1a
Author: Francesco Lavra <francescolavra at interfree.it>
Date: Sat Feb 13 17:42:58 2010 +0000
Fix reading beyond buffer end on RA144Context.lpc_tables.
Patch by Francesco Lavra (francescolavra -at- interfree -dot- it)
Originally committed as revision 21796 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c
index 8fae69d..04eb955 100644
--- a/libavcodec/ra144.c
+++ b/libavcodec/ra144.c
@@ -219,7 +219,7 @@ static void int_to_int16(int16_t *out, const int *inp)
{
int i;
- for (i=0; i < 30; i++)
+ for (i=0; i < 10; i++)
*out++ = *inp++;
}
@@ -276,7 +276,7 @@ static int interp(RA144Context *ractx, int16_t *out, int a,
// Interpolate block coefficients from the this frame's forth block and
// last frame's forth block.
- for (i=0; i<30; i++)
+ for (i=0; i<10; i++)
out[i] = (a * ractx->lpc_coef[0][i] + b * ractx->lpc_coef[1][i])>> 2;
if (eval_refl(work, out, ractx->avctx)) {
@@ -297,7 +297,7 @@ static int ra144_decode_frame(AVCodecContext * avctx, void *vdata,
int buf_size = avpkt->size;
static const uint8_t sizes[10] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};
unsigned int refl_rms[4]; // RMS of the reflection coefficients
- uint16_t block_coefs[4][30]; // LPC coefficients of each sub-block
+ uint16_t block_coefs[4][10]; // LPC coefficients of each sub-block
unsigned int lpc_refl[10]; // LPC reflection coefficients of the frame
int i, j;
int16_t *data = vdata;
--
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