mpegts: Silence "can't seek" warning on unseekable

[ffmpeg] / libavformat / iff.c

diff --git a/libavformat/iff.c b/libavformat/iff.c
index 15327c242140adbb9d7b314a0414e6fbe0d77577..f388ca9e32f4d7cfb2c0dc760b0e985077523f00 100644 (file)
--- a/libavformat/iff.c
+++ b/libavformat/iff.c
@@ -4,20 +4,20 @@
  * Copyright (c) 2010 Peter Ross <pross@xvid.org>
  * Copyright (c) 2010 Sebastian Vater <cdgs.basty@googlemail.com>
  *
- * 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
  */
 
@@ -30,6 +30,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/dict.h"
 #include "avformat.h"
 
 #define ID_8SVX       MKTAG('8','S','V','X')
@@ -106,7 +107,7 @@ static int get_metadata(AVFormatContext *s,
         return AVERROR(EIO);
     }
     buf[data_size] = 0;
-    av_metadata_set2(&s->metadata, tag, buf, AV_METADATA_DONT_STRDUP_VAL);
+    av_dict_set(&s->metadata, tag, buf, AV_DICT_DONT_STRDUP_VAL);
     return 0;
 }
 
@@ -134,17 +135,17 @@ static int iff_read_header(AVFormatContext *s,
         return AVERROR(ENOMEM);
 
     st->codec->channels = 1;
-    url_fskip(pb, 8);
+    avio_skip(pb, 8);
     // codec_tag used by ByteRun1 decoder to distinguish progressive (PBM) and interlaced (ILBM) content
     st->codec->codec_tag = avio_rl32(pb);
 
-    while(!url_feof(pb)) {
+    while(!pb->eof_reached) {
         uint64_t orig_pos;
         int res;
         const char *metadata_tag = NULL;
         chunk_id = avio_rl32(pb);
         data_size = avio_rb32(pb);
-        orig_pos = url_ftell(pb);
+        orig_pos = avio_tell(pb);
 
         switch(chunk_id) {
         case ID_VHDR:
@@ -152,16 +153,16 @@ static int iff_read_header(AVFormatContext *s,
 
             if (data_size < 14)
                 return AVERROR_INVALIDDATA;
-            url_fskip(pb, 12);
+            avio_skip(pb, 12);
             st->codec->sample_rate = avio_rb16(pb);
             if (data_size >= 16) {
-                url_fskip(pb, 1);
+                avio_skip(pb, 1);
                 compression        = avio_r8(pb);
             }
             break;
 
         case ID_BODY:
-            iff->body_pos = url_ftell(pb);
+            iff->body_pos = avio_tell(pb);
             iff->body_size = data_size;
             break;
 
@@ -186,14 +187,14 @@ static int iff_read_header(AVFormatContext *s,
                 return AVERROR_INVALIDDATA;
             st->codec->width                 = avio_rb16(pb);
             st->codec->height                = avio_rb16(pb);
-            url_fskip(pb, 4); // x, y offset
+            avio_skip(pb, 4); // x, y offset
             st->codec->bits_per_coded_sample = avio_r8(pb);
             if (data_size >= 11) {
-                url_fskip(pb, 1); // masking
+                avio_skip(pb, 1); // masking
                 compression                  = avio_r8(pb);
             }
             if (data_size >= 16) {
-                url_fskip(pb, 3); // paddding, transparent
+                avio_skip(pb, 3); // paddding, transparent
                 st->sample_aspect_ratio.num  = avio_r8(pb);
                 st->sample_aspect_ratio.den  = avio_r8(pb);
             }
@@ -223,10 +224,10 @@ static int iff_read_header(AVFormatContext *s,
                 return res;
             }
         }
-        url_fskip(pb, data_size - (url_ftell(pb) - orig_pos) + (data_size & 1));
+        avio_skip(pb, data_size - (avio_tell(pb) - orig_pos) + (data_size & 1));
     }
 
-    url_fseek(pb, iff->body_pos, SEEK_SET);
+    avio_seek(pb, iff->body_pos, SEEK_SET);
 
     switch(st->codec->codec_type) {
     case AVMEDIA_TYPE_AUDIO:
@@ -315,10 +316,10 @@ static int iff_read_packet(AVFormatContext *s,
 }
 
 AVInputFormat ff_iff_demuxer = {
-    "IFF",
-    NULL_IF_CONFIG_SMALL("IFF format"),
-    sizeof(IffDemuxContext),
-    iff_probe,
-    iff_read_header,
-    iff_read_packet,
+    .name           = "IFF",
+    .long_name      = NULL_IF_CONFIG_SMALL("IFF format"),
+    .priv_data_size = sizeof(IffDemuxContext),
+    .read_probe     = iff_probe,
+    .read_header    = iff_read_header,
+    .read_packet    = iff_read_packet,
 };