X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Foggdec.c;h=3a1abc085f96779b7ddea1d97ff2423ae2007cb8;hb=e37f161e66e042d6c2c7470c4d9881df9427fc4a;hp=79aa98f83d3a9c5eed749e7c2ad090e4abf8a3a1;hpb=e771e6dd63e837220aa5d959486546d2be972e83;p=ffmpeg

diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index 79aa98f83d3..3a1abc085f9 100644
--- a/libavformat/oggdec.c
+++ b/libavformat/oggdec.c
@@ -28,7 +28,6 @@
     DEALINGS IN THE SOFTWARE.
  */
 
-
 #include <stdio.h>
 #include "oggdec.h"
 #include "avformat.h"
@@ -225,7 +224,7 @@ static int ogg_read_page(AVFormatContext *s, int *str)
             break;
 
         c = avio_r8(bc);
-        if (bc->eof_reached)
+        if (url_feof(bc))
             return AVERROR_EOF;
         sync[sp++ & 3] = c;
     }while (i++ < MAX_PAGE_SIZE);
@@ -373,8 +372,6 @@ static int ogg_packet(AVFormatContext *s, int *str, int *dstart, int *dsize,
         }
     }while (!complete);
 
-    av_dlog(s, "ogg_packet: idx %i, frame size %i, start %i\n",
-            idx, os->psize, os->pstart);
 
     if (os->granule == -1)
         av_log(s, AV_LOG_WARNING, "Page at %"PRId64" is missing granule\n", os->page_pos);
@@ -424,6 +421,8 @@ static int ogg_packet(AVFormatContext *s, int *str, int *dstart, int *dsize,
             *fpos = os->sync_pos;
         os->pstart += os->psize;
         os->psize = 0;
+        if(os->pstart == os->bufpos)
+            os->bufpos = os->pstart = 0;
         os->sync_pos = os->page_pos;
     }
 
@@ -463,6 +462,7 @@ static int ogg_get_length(AVFormatContext *s)
     struct ogg *ogg = s->priv_data;
     int i;
     int64_t size, end;
+    int streams_left=0;
 
     if(!s->pb->seekable)
         return 0;
@@ -484,13 +484,37 @@ static int ogg_get_length(AVFormatContext *s)
             ogg->streams[i].codec) {
             s->streams[i]->duration =
                 ogg_gptopts (s, i, ogg->streams[i].granule, NULL);
-            if (s->streams[i]->start_time != AV_NOPTS_VALUE)
+            if (s->streams[i]->start_time != AV_NOPTS_VALUE){
                 s->streams[i]->duration -= s->streams[i]->start_time;
+                streams_left-= (ogg->streams[i].got_start==-1);
+                ogg->streams[i].got_start= 1;
+            }else if(!ogg->streams[i].got_start){
+                ogg->streams[i].got_start= -1;
+                streams_left++;
+            }
         }
     }
 
     ogg_restore (s, 0);
 
+    ogg_save (s);
+    avio_seek (s->pb, 0, SEEK_SET);
+    while (!ogg_read_page (s, &i)){
+        if (ogg->streams[i].granule != -1 && ogg->streams[i].granule != 0 &&
+            ogg->streams[i].codec) {
+            if(s->streams[i]->duration && s->streams[i]->start_time == AV_NOPTS_VALUE && !ogg->streams[i].got_start){
+                int64_t start= ogg_gptopts (s, i, ogg->streams[i].granule, NULL);
+                if(av_rescale_q(start, s->streams[i]->time_base, AV_TIME_BASE_Q) > AV_TIME_BASE)
+                    s->streams[i]->duration -= start;
+                ogg->streams[i].got_start= 1;
+                streams_left--;
+            }
+            if(streams_left<=0)
+                break;
+        }
+    }
+    ogg_restore (s, 0);
+
     return 0;
 }