From 9c99bc433e5fbb266030a7331490afa3c3e8b6c4 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 24 Apr 2012 10:40:46 +0200
Subject: [PATCH] mpc8: print error messages on maxband(s) errors
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavcodec/mpc8.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c
index 2808b58667a..c37cd504970 100644
--- a/libavcodec/mpc8.c
+++ b/libavcodec/mpc8.c
@@ -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 */
--
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