Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Laurent Aimar authored on 2011/09/25 20:43:38... | ... |
@@ -127,6 +127,8 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx) |
127 | 127 |
|
128 | 128 |
skip_bits(&gb, 3);//sample rate |
129 | 129 |
c->maxbands = get_bits(&gb, 5) + 1; |
130 |
+ if (c->maxbands >= BANDS) |
|
131 |
+ return AVERROR_INVALIDDATA; |
|
130 | 132 |
channels = get_bits(&gb, 4) + 1; |
131 | 133 |
if (channels > 2) { |
132 | 134 |
av_log_missing_feature(avctx, "Multichannel MPC SV8", 1); |
... | ... |
@@ -260,6 +262,8 @@ static int mpc8_decode_frame(AVCodecContext * avctx, |
260 | 260 |
maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2); |
261 | 261 |
if(maxband > 32) maxband -= 33; |
262 | 262 |
} |
263 |
+ if(maxband > c->maxbands) |
|
264 |
+ return AVERROR_INVALIDDATA; |
|
263 | 265 |
c->last_max_band = maxband; |
264 | 266 |
|
265 | 267 |
/* read subband indexes */ |