This prevents sub-muxers from trying to seek back to the beginning of the
whole stream, only to find themselves overwriting some video data in the
current (often last) segment.
---
libavformat/segment.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/segment.c b/libavformat/segment.c
index 06bc459..b623bb6 100644
--- a/libavformat/segment.c
+++ b/libavformat/segment.c
@@ -236,6 +236,7 @@ static int segment_start(AVFormatContext *s, int
write_header)
av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n", oc->filename);
return err;
}
+ oc->pb->seekable = 0;
if (oc->oformat->priv_class && oc->priv_data)
av_opt_set(oc->priv_data, "mpegts_flags", "+resend_headers", 0);
@@ -674,6 +675,7 @@ static int seg_write_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "Failed to open segment '%s'\n",
oc->filename);
goto fail;
}
+ oc->pb->seekable = 0;
} else {
if ((ret = open_null_ctx(&oc->pb)) < 0)
goto fail;
@@ -709,6 +711,7 @@ static int seg_write_header(AVFormatContext *s)
if ((ret = avio_open2(&oc->pb, oc->filename, AVIO_FLAG_WRITE,
&s->interrupt_callback, NULL)) < 0)
goto fail;
+ oc->pb->seekable = 0;
}
fail:
--
2.3.4
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
