[FFmpeg-cvslog] mpc8: print error messages on maxband(s) errors

Michael Niedermayer git at videolan.org
Tue Apr 24 11:13:51 CEST 2012


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Apr 24 10:40:46 2012 +0200| [9c99bc433e5fbb266030a7331490afa3c3e8b6c4] | committer: Michael Niedermayer

mpc8: print error messages on maxband(s) errors

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9c99bc433e5fbb266030a7331490afa3c3e8b6c4
---

 libavcodec/mpc8.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c
index 2808b58..c37cd50 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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