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mpc8: print error messages on maxband(s) errors 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-04-24 10:40:46 +02:00
parent 88ee2aa5ad
commit 9c99bc433e
1 changed files with 6 additions and 2 deletions
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8
libavcodec/mpc8.c
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@ -127,8 +127,10 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx)
skip_bits(&gb, 3);//sample rate
c->maxbands = get_bits(&gb, 5) + 1;
if (c->maxbands >= BANDS)
if (c->maxbands >= BANDS) {
av_log(avctx,AV_LOG_ERROR, "maxbands %d too high\n", c->maxbands);
return AVERROR_INVALIDDATA;
}
channels = get_bits(&gb, 4) + 1;
if (channels > 2) {
av_log_missing_feature(avctx, "Multichannel MPC SV8", 1);
@ -272,8 +274,10 @@ 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 >= BANDS) {
av_log(avctx, AV_LOG_ERROR, "maxband %d too large\n",maxband);
return AVERROR_INVALIDDATA;
}
c->last_max_band = maxband;
/* read subband indexes */