lagarith: check count before writing zeros.

[ffmpeg] / libavcodec / rl2.c

diff --git a/libavcodec/rl2.c b/libavcodec/rl2.c
index ba99fb91b89ddd09fdf70995be2fe421e4858439..57015e7de8773e82e32626c2ff3989469f15fa50 100644 (file)
--- a/libavcodec/rl2.c
+++ b/libavcodec/rl2.c
@@ -2,36 +2,37 @@
  * RL2 Video Decoder
  * Copyright (C) 2008 Sascha Sommer (saschasommer@freenet.de)
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * RL2 Video Decoder
  * @file
+ * RL2 Video Decoder
  * @author Sascha Sommer (saschasommer@freenet.de)
- * For more information about the RL2 format, visit:
- *   http://wiki.multimedia.cx/index.php?title=RL2
+ * @see http://wiki.multimedia.cx/index.php?title=RL2
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+#include "libavutil/internal.h"
 #include "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
 #include "avcodec.h"
 
 
@@ -65,7 +66,7 @@ static void rl2_rle_decode(Rl2Context *s,const unsigned char* in,int size,
     const unsigned char* back_frame = s->back_frame;
     const unsigned char* in_end = in + size;
     const unsigned char* out_end = out + stride * s->avctx->height;
-    unsigned char* line_end = out + s->avctx->width;
+    unsigned char* line_end;
 
     /** copy start of the background frame */
     for(i=0;i<=base_y;i++){
@@ -219,16 +220,14 @@ static av_cold int rl2_decode_end(AVCodecContext *avctx)
 }
 
 
-AVCodec rl2_decoder = {
-    "rl2",
-    AVMEDIA_TYPE_VIDEO,
-    CODEC_ID_RL2,
-    sizeof(Rl2Context),
-    rl2_decode_init,
-    NULL,
-    rl2_decode_end,
-    rl2_decode_frame,
-    CODEC_CAP_DR1,
-    .long_name = NULL_IF_CONFIG_SMALL("RL2 video"),
+AVCodec ff_rl2_decoder = {
+    .name           = "rl2",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_RL2,
+    .priv_data_size = sizeof(Rl2Context),
+    .init           = rl2_decode_init,
+    .close          = rl2_decode_end,
+    .decode         = rl2_decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
+    .long_name      = NULL_IF_CONFIG_SMALL("RL2 video"),
 };
-