From f9f0b4c08e7dc2c178ede137af4f64ca84ab2deb Mon Sep 17 00:00:00 2001
From: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Date: Tue, 22 Sep 2015 13:40:20 +0200
Subject: [PATCH] hls: only seek if there is an offset
If there is no #EXT-X-BYTERANGE specified, there is no need to seek.
Seeking fails anyway for rtmp, because this protocol does not support
url_seek.
This fixes CNN.m3u from trac ticket 4797 (i.e. Debian bug #798189).
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
---
libavformat/hls.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/hls.c b/libavformat/hls.c
index 6df95d40410..adaa33aa109 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -1043,7 +1043,7 @@ static int open_input(HLSContext *c, struct playlist *pls)
/* Seek to the requested position. If this was a HTTP request, the offset
* should already be where want it to, but this allows e.g. local testing
* without a HTTP server. */
- if (ret == 0 && seg->key_type == KEY_NONE) {
+ if (ret == 0 && seg->key_type == KEY_NONE && seg->url_offset) {
int seekret = ffurl_seek(pls->input, seg->url_offset, SEEK_SET);
if (seekret < 0) {
av_log(pls->parent, AV_LOG_ERROR, "Unable to seek to offset %"PRId64" of HLS segment '%s'\n", seg->url_offset, seg->url);
--
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