[FFmpeg-devel] [PATCH] hls: only seek if there is an offset

Andreas Cadhalpun andreas.cadhalpun at googlemail.com
Tue Sep 22 14:04:48 CEST 2015


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).
---
 libavformat/hls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/hls.c b/libavformat/hls.c
index c16c770..896d36e 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -1047,7 +1047,7 @@ 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);
-- 
2.5.1


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