restore old buffer content when seek failed in http protocol, fix issue #1631

[ffmpeg] / libavformat / rmdec.c

diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c
index 1da024aad65f8edaacdc2fdcf15bb9a732ce5d50..ff93e515cd19bcaf3678bc2ba55c2f3a8717bd70 100644 (file)
--- a/libavformat/rmdec.c
+++ b/libavformat/rmdec.c
@@ -245,7 +245,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, ByteIOContext *pb,
                 }
                 st->codec->block_align = ast->sub_packet_size;
             }
-            if ((ret = rm_read_extradata(s->pb, st->codec, codecdata_length)) < 0)
+            if ((ret = rm_read_extradata(pb, st->codec, codecdata_length)) < 0)
                 return ret;
 
             if(ast->audio_framesize >= UINT_MAX / sub_packet_h){
@@ -267,7 +267,7 @@ static int rm_read_audio_stream_info(AVFormatContext *s, ByteIOContext *pb,
             }
             if (codecdata_length >= 1) {
                 get_byte(pb);
-                if ((ret = rm_read_extradata(s->pb, st->codec, codecdata_length - 1)) < 0)
+                if ((ret = rm_read_extradata(pb, st->codec, codecdata_length - 1)) < 0)
                     return ret;
             }
             break;
@@ -321,7 +321,7 @@ ff_rm_read_mdpr_codecdata (AVFormatContext *s, ByteIOContext *pb,
         fps2= get_be16(pb);
         get_be16(pb);
 
-        if ((ret = rm_read_extradata(s->pb, st->codec, codec_data_size - (url_ftell(pb) - codec_pos))) < 0)
+        if ((ret = rm_read_extradata(pb, st->codec, codec_data_size - (url_ftell(pb) - codec_pos))) < 0)
             return ret;
 
 //        av_log(s, AV_LOG_DEBUG, "fps= %d fps2= %d\n", fps, fps2);