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[FFmpeg-devel] avformat/dashdec: fix range parsing causing issues with http byte range requests

Message ID 20190913174332.94299-1-hello.vectronic@gmail.com
State New
Headers show

Commit Message

vectronic Sept. 13, 2019, 5:43 p.m. UTC 
data size calculation was off by one as per DASH SPEC which references RFC 7233. this was then used in http byte range request causing data corruption when parsing media files referenced in manifest

fixes: 8136
Signed-off-by: vectronic <hello.vectronic@gmail.com>
---
 libavformat/dashdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index 74eb900eea..aa0e3598a1 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -600,7 +600,7 @@  static struct fragment * get_Fragment(char *range)
         char *str_end_offset;
         char *str_offset = av_strtok(range, "-", &str_end_offset);
         seg->url_offset = strtoll(str_offset, NULL, 10);
-        seg->size = strtoll(str_end_offset, NULL, 10) - seg->url_offset;
+        seg->size = strtoll(str_end_offset, NULL, 10) - seg->url_offset + 1;
     }
 
     return seg;