libhb: fix cfr encoding

when frames are duplicated, the frame was not copied properly and resulted
in divide by 0 later when the frame is processed.

This fix is a bit larger than the minimum size necessary to fix the problem.
I took the oportunity to clean up some buffer initialization and copy
operations.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4563 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 1 insertions, 3 deletions

diff --git a/libhb/vfr.c b/libhb/vfr.c
index fb12393b9..7ea308124 100644
--- a/libhb/vfr.c
+++ b/libhb/vfr.c
@@ -277,9 +277,7 @@ static void adjust_frame_rate( hb_filter_private_t *pv, hb_buffer_t **buf_out )
             for ( ; excess_dur >= pv->frame_rate; excess_dur -= pv->frame_rate )
             {
                 /* next frame too far ahead - dup current frame */
-                hb_buffer_t *dup = hb_buffer_init( out->size );
-                memcpy( dup->data, out->data, out->size );
-                dup->s = out->s;
+                hb_buffer_t *dup = hb_buffer_copy( out );
                 dup->s.new_chap = 0;
                 dup->s.start = cfr_stop;
                 cfr_stop += pv->frame_rate;