[nginx] Mp4: remove useless leading stsc entry in result mp4.

[Roman Arutyunyan]

details:   http://hg.nginx.org/nginx/rev/e280ece17020
branches:  
changeset: 5578:e280ece17020
user:      Roman Arutyunyan <arut at nginx.com>
date:      Fri Feb 14 15:14:48 2014 +0400
description:
Mp4: remove useless leading stsc entry in result mp4.

The fix removes useless stsc entry in result mp4.
If start_sample == n then current stsc entry should be skipped
and the result stsc should start with the next entry.
The reason for that is start_sample starts from 0, not 1.

diffstat:

 src/http/modules/ngx_http_mp4_module.c |  2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diffs (12 lines):

diff -r bfe536716dbf -r e280ece17020 src/http/modules/ngx_http_mp4_module.c
--- a/src/http/modules/ngx_http_mp4_module.c	Thu Feb 13 16:54:00 2014 +0400
+++ b/src/http/modules/ngx_http_mp4_module.c	Fri Feb 14 15:14:48 2014 +0400
@@ -2481,7 +2481,7 @@ ngx_http_mp4_update_stsc_atom(ngx_http_m
 
         n = (next_chunk - chunk) * samples;
 
-        if (start_sample <= n) {
+        if (start_sample < n) {
             goto found;
         }