Remove return statements following infinite loops without break

[ffmpeg] / libavformat / mpeg.c

diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index 821cd6c7634edcf8327dc5bf690a08cbfec213cf..496b9d45f529c308fee1de024c7d6e6cf4b526a8 100644 (file)
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -2,20 +2,20 @@
  * MPEG1/2 demuxer
  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
  *
- * 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 +23,6 @@
 #include "internal.h"
 #include "mpeg.h"
 
-//#define DEBUG_SEEK
-
 #undef NDEBUG
 #include <assert.h>
 
@@ -402,7 +400,7 @@ static int mpegps_read_pes_header(AVFormatContext *s,
         int i;
         for(i=0; i<s->nb_streams; i++){
             if(startcode == s->streams[i]->id &&
-               !url_is_streamed(s->pb) /* index useless on streams anyway */) {
+               s->pb->seekable /* index useless on streams anyway */) {
                 ff_reduce_index(s, i);
                 av_add_index_entry(s->streams[i], *ppos, dts, 0, 0, AVINDEX_KEYFRAME /* FIXME keyframe? */);
             }
@@ -569,10 +567,9 @@ static int mpegps_read_packet(AVFormatContext *s,
     pkt->dts = dts;
     pkt->pos = dummy_pos;
     pkt->stream_index = st->index;
-#if 0
-    av_log(s, AV_LOG_DEBUG, "%d: pts=%0.3f dts=%0.3f size=%d\n",
-           pkt->stream_index, pkt->pts / 90000.0, pkt->dts / 90000.0, pkt->size);
-#endif
+    av_dlog(s, "%d: pts=%0.3f dts=%0.3f size=%d\n",
+            pkt->stream_index, pkt->pts / 90000.0, pkt->dts / 90000.0,
+            pkt->size);
 
     return 0;
 }
@@ -584,18 +581,13 @@ static int64_t mpegps_read_dts(AVFormatContext *s, int stream_index,
     int64_t pos, pts, dts;
 
     pos = *ppos;
-#ifdef DEBUG_SEEK
-    printf("read_dts: pos=0x%"PRIx64" next=%d -> ", pos, find_next);
-#endif
     if (avio_seek(s->pb, pos, SEEK_SET) < 0)
         return AV_NOPTS_VALUE;
 
     for(;;) {
         len = mpegps_read_pes_header(s, &pos, &startcode, &pts, &dts);
         if (len < 0) {
-#ifdef DEBUG_SEEK
-            printf("none (ret=%d)\n", len);
-#endif
+            av_dlog(s, "none (ret=%d)\n", len);
             return AV_NOPTS_VALUE;
         }
         if (startcode == s->streams[stream_index]->id &&
@@ -604,9 +596,8 @@ static int64_t mpegps_read_dts(AVFormatContext *s, int stream_index,
         }
         avio_skip(s->pb, len);
     }
-#ifdef DEBUG_SEEK
-    printf("pos=0x%"PRIx64" dts=0x%"PRIx64" %0.3f\n", pos, dts, dts / 90000.0);
-#endif
+    av_dlog(s, "pos=0x%"PRIx64" dts=0x%"PRIx64" %0.3f\n",
+            pos, dts, dts / 90000.0);
     *ppos = pos;
     return dts;
 }