From 0f3a0b24dd6f595feaa4526e52ffa7d05c3d7840 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 26 May 2013 10:38:54 +0200
Subject: wavpack: add an error message to a failure.

---
 libavcodec/wavpack.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libavcodec/wavpack.c')

diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 81b310f297..fa3682b6f5 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -792,8 +792,11 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
 
     if (!wc->mkv_mode) {
         s->samples = bytestream2_get_le32(&gb);
-        if (s->samples != wc->samples)
+        if (s->samples != wc->samples) {
+            av_log(avctx, AV_LOG_ERROR, "Mismatching number of samples in "
+                   "a sequence: %d and %d\n", wc->samples, s->samples);
             return AVERROR_INVALIDDATA;
+        }
 
         if (!s->samples) {
             *got_frame_ptr = 0;
-- 
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