[vlc-commits] mp4 mux: simplify stts box creation

[Rafaël Carré]

vlc | branch: master | Rafaël Carré <funman at videolan.org> | Sat Aug 24 17:22:23 2013 +0200| [dfbcc3fa7feccc9d1f343f6aca3ac5b407b67d19] | committer: Rafaël Carré

mp4 mux: simplify stts box creation

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=dfbcc3fa7feccc9d1f343f6aca3ac5b407b67d19
---

 modules/mux/mp4.c |   13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/modules/mux/mp4.c b/modules/mux/mp4.c
index 63013cd..be8a5e5 100644
--- a/modules/mux/mp4.c
+++ b/modules/mux/mp4.c
@@ -1151,19 +1151,10 @@ static bo_t *GetStblBox(sout_mux_t *p_mux, mp4_stream_t *p_stream)
     else
         i_timescale = CLOCK_FREQ;
 
-    /* first, create quantified length */
-    int64_t i_dts = 0, i_dts_deq = 0;
-    for (unsigned i = 0 ; i < p_stream->i_entry_count; i++) {
-        mp4_entry_t *e = &p_stream->entry[i];
-
-        int64_t i_delta = e->i_length + i_dts - i_dts_deq;
-        i_dts += e->i_length;
-        e->i_length = i_delta * (int64_t)i_timescale / CLOCK_FREQ;
-        i_dts_deq += i_delta;
-    }
-    /* then write encoded table */
     unsigned i_index = 0;
     for (unsigned i = 0; i < p_stream->i_entry_count; i_index++) {
+        p_stream->entry[i].i_length = p_stream->entry[i].i_length
+            * (int64_t)i_timescale / CLOCK_FREQ;
         int     i_first = i;
         int64_t i_delta = p_stream->entry[i].i_length;