diff options
Diffstat (limited to 'libavcodec/mpc8.c')
| -rw-r--r-- | libavcodec/mpc8.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c index 652e824843..9dacc29766 100644 --- a/libavcodec/mpc8.c +++ b/libavcodec/mpc8.c @@ -275,7 +275,8 @@ static int mpc8_decode_frame(AVCodecContext * avctx, void *data, maxband = c->last_max_band + get_vlc2(gb, band_vlc.table, MPC8_BANDS_BITS, 2); if(maxband > 32) maxband -= 33; } - if(maxband >= BANDS) { + + if(maxband > c->maxbands + 1 || maxband >= BANDS) { av_log(avctx, AV_LOG_ERROR, "maxband %d too large\n",maxband); return AVERROR_INVALIDDATA; } @@ -412,7 +413,8 @@ static int mpc8_decode_frame(AVCodecContext * avctx, void *data, } } - ff_mpc_dequantize_and_synth(c, maxband, c->frame.data[0], avctx->channels); + ff_mpc_dequantize_and_synth(c, maxband - 1, c->frame.data[0], + avctx->channels); c->cur_frame++; |