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dcaenc: fix out of array read 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-11 03:33:59 +02:00
parent 8616c44606
commit 940be96540
1 changed files with 5 additions and 5 deletions
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10
libavcodec/dcaenc.c
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@ -503,13 +503,13 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
samples = (const int16_t *)frame->data[0]; samples = (const int16_t *)frame->data[0];
for (i = 0; i < PCM_SAMPLES; i ++) { /* i is the decimated sample number */ for (i = 0; i < PCM_SAMPLES; i ++) { /* i is the decimated sample number */
for (channel = 0; channel < c->prim_channels + 1; channel++) { for (channel = 0; channel < c->prim_channels + 1; channel++) {
/* Get 32 PCM samples */
for (k = 0; k < 32; k++) { /* k is the sample number in a 32-sample block */
c->pcm[k] = samples[avctx->channels * (32 * i + k) + channel] << 16;
}
/* Put subband samples into the proper place */
real_channel = c->channel_order_tab[channel]; real_channel = c->channel_order_tab[channel];
if (real_channel >= 0) { if (real_channel >= 0) {
/* Get 32 PCM samples */
for (k = 0; k < 32; k++) { /* k is the sample number in a 32-sample block */
c->pcm[k] = samples[avctx->channels * (32 * i + k) + channel] << 16;
}
/* Put subband samples into the proper place */
qmf_decompose(c, c->pcm, &c->subband[i][real_channel][0], real_channel); qmf_decompose(c, c->pcm, &c->subband[i][real_channel][0], real_channel);
} }
} }