pthread: do not touch has_b_frames

[ffmpeg] / libavformat / rl2.c

diff --git a/libavformat/rl2.c b/libavformat/rl2.c
index 16e029f679a4498f06e495d88f1cad754c160758..e7b9fd9f985439e479331fa8e6a977b9c21f4298 100644 (file)
--- a/libavformat/rl2.c
+++ b/libavformat/rl2.c
@@ -2,20 +2,20 @@
  * RL2 Format Demuxer
  * 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
  */
 
@@ -23,8 +23,7 @@
  * RL2 file demuxer
  * @file
  * @author Sascha Sommer (saschasommer@freenet.de)
- * For more information regarding the RL2 file format, visit:
- *   http://wiki.multimedia.cx/index.php?title=RL2
+ * @see http://wiki.multimedia.cx/index.php?title=RL2
  *
  * extradata:
  * 2 byte le initial drawing offset within 320x200 viewport
@@ -34,6 +33,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/mathematics.h"
 #include "avformat.h"
 
 #define EXTRADATA1_SIZE (6 + 256 * 3) ///< video base, clr, palette
@@ -80,8 +80,6 @@ static av_cold int rl2_read_header(AVFormatContext *s,
     unsigned int audio_frame_counter = 0;
     unsigned int video_frame_counter = 0;
     unsigned int back_size;
-    int data_size;
-    unsigned short encoding_method;
     unsigned short sound_rate;
     unsigned short rate;
     unsigned short channels;
@@ -95,24 +93,24 @@ static av_cold int rl2_read_header(AVFormatContext *s,
     int i;
     int ret = 0;
 
-    url_fskip(pb,4);          /* skip FORM tag */
+    avio_skip(pb,4);          /* skip FORM tag */
     back_size = avio_rl32(pb); /**< get size of the background frame */
     signature = avio_rb32(pb);
-    data_size = avio_rb32(pb);
+    avio_skip(pb, 4);         /* data size */
     frame_count = avio_rl32(pb);
 
     /* disallow back_sizes and frame_counts that may lead to overflows later */
     if(back_size > INT_MAX/2  || frame_count > INT_MAX / sizeof(uint32_t))
         return AVERROR_INVALIDDATA;
 
-    encoding_method = avio_rl16(pb);
+    avio_skip(pb, 2);         /* encoding mentod */
     sound_rate = avio_rl16(pb);
     rate = avio_rl16(pb);
     channels = avio_rl16(pb);
     def_sound_size = avio_rl16(pb);
 
     /** setup video stream */
-    st = av_new_stream(s, 0);
+    st = avformat_new_stream(s, NULL);
     if(!st)
          return AVERROR(ENOMEM);
 
@@ -142,7 +140,7 @@ static av_cold int rl2_read_header(AVFormatContext *s,
         pts_num = def_sound_size;
         pts_den = rate;
 
-        st = av_new_stream(s, 0);
+        st = avformat_new_stream(s, NULL);
         if (!st)
             return AVERROR(ENOMEM);
         st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
@@ -237,7 +235,7 @@ static int rl2_read_packet(AVFormatContext *s,
     ++rl2->index_pos[stream_id];
 
     /** position the stream (will probably be there anyway) */
-    url_fseek(pb, sample->pos, SEEK_SET);
+    avio_seek(pb, sample->pos, SEEK_SET);
 
     /** fill the packet */
     ret = av_get_packet(pb, pkt, sample->size);
@@ -288,13 +286,12 @@ static int rl2_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp
 }
 
 AVInputFormat ff_rl2_demuxer = {
-    "rl2",
-    NULL_IF_CONFIG_SMALL("RL2 format"),
-    sizeof(Rl2DemuxContext),
-    rl2_probe,
-    rl2_read_header,
-    rl2_read_packet,
-    NULL,
-    rl2_read_seek,
+    .name           = "rl2",
+    .long_name      = NULL_IF_CONFIG_SMALL("RL2 format"),
+    .priv_data_size = sizeof(Rl2DemuxContext),
+    .read_probe     = rl2_probe,
+    .read_header    = rl2_read_header,
+    .read_packet    = rl2_read_packet,
+    .read_seek      = rl2_read_seek,
 };