avidec: Fix infinite loop caused by rounding of timestamps in non interleaved avis.

[ffmpeg] / libavformat / anm.c

diff --git a/libavformat/anm.c b/libavformat/anm.c
index a89bf3e719197795e5c1f0f5e4cacffe73f2bc0c..812bc285c339c227d312f411cd88be8ed21eddfc 100644 (file)
--- a/libavformat/anm.c
+++ b/libavformat/anm.c
@@ -2,20 +2,20 @@
  * Deluxe Paint Animation demuxer
  * Copyright (c) 2009 Peter Ross
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -26,6 +26,7 @@
 
 #include "libavutil/intreadwrite.h"
 #include "avformat.h"
+#include "internal.h"
 
 typedef struct {
     int base_record;
@@ -128,24 +129,23 @@ static int read_header(AVFormatContext *s,
 
     avio_skip(pb, 32); /* record_types */
     st->nb_frames = avio_rl32(pb);
-    av_set_pts_info(st, 64, 1, avio_rl16(pb));
+    avpriv_set_pts_info(st, 64, 1, avio_rl16(pb));
     avio_skip(pb, 58);
 
     /* color cycling and palette data */
     st->codec->extradata_size = 16*8 + 4*256;
     st->codec->extradata      = av_mallocz(st->codec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
-    if (!st->codec->extradata) {
-        ret = AVERROR(ENOMEM);
-        goto close_and_return;
-    }
+    if (!st->codec->extradata)
+        return AVERROR(ENOMEM);
+
     ret = avio_read(pb, st->codec->extradata, st->codec->extradata_size);
     if (ret < 0)
-        goto close_and_return;
+        return ret;
 
     /* read page table */
     ret = avio_seek(pb, anm->page_table_offset, SEEK_SET);
     if (ret < 0)
-        goto close_and_return;
+        return ret;
 
     for (i = 0; i < MAX_PAGES; i++) {
         Page *p = &anm->pt[i];
@@ -156,21 +156,15 @@ static int read_header(AVFormatContext *s,
 
     /* find page of first frame */
     anm->page = find_record(anm, 0);
-    if (anm->page < 0) {
-        ret = anm->page;
-        goto close_and_return;
-    }
+    if (anm->page < 0)
+        return anm->page;
 
     anm->record = -1;
     return 0;
 
 invalid:
     av_log_ask_for_sample(s, NULL);
-    ret = AVERROR_INVALIDDATA;
-
-close_and_return:
-    av_close_input_stream(s);
-    return ret;
+    return AVERROR_INVALIDDATA;
 }
 
 static int read_packet(AVFormatContext *s,
@@ -181,7 +175,7 @@ static int read_packet(AVFormatContext *s,
     Page *p;
     int tmp, record_size;
 
-    if (s->pb->eof_reached)
+    if (url_feof(s->pb))
         return AVERROR(EIO);
 
     if (anm->page < 0)