From fea6db064b00822af488db93f0f8b19f25cae515 Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Tue, 18 Feb 2014 23:47:55 +0100
Subject: [PATCH] h264: informative error reporting in decode_slice_header()

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
---
 libavcodec/h264.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 3f99109abf2..9cc32e9dec2 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3471,8 +3471,12 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
          h->height != h->avctx->coded_height  ||
          needs_reinit)) {
         if (h != h0) {
-            av_log(h->avctx, AV_LOG_ERROR, "changing width/height on "
-                   "slice %d\n", h0->current_slice + 1);
+            av_log(h->avctx, AV_LOG_ERROR,
+                   "changing width %d -> %d / height %d -> %d on "
+                   "slice %d\n",
+                   h->width, h->avctx->coded_width,
+                   h->height, h->avctx->coded_height,
+                   h0->current_slice + 1);
             return AVERROR_INVALIDDATA;
         }
 
-- 
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