[x264-devel] commit: High Profile allows 25% higher maxbitrate/cpb ( Jason Garrett-Glaser )

[git version control]

x264 | branch: master | Jason Garrett-Glaser <darkshikari at gmail.com> | Sat Nov 29 23:13:58 2008 -0800| [71d34b4eb454027cd742e6d96e2a70cce8cd163c] | committer: Jason Garrett-Glaser 

High Profile allows 25% higher maxbitrate/cpb
Correct level detection to take this into account.

> http://git.videolan.org/gitweb.cgi/x264.git/?a=commit;h=71d34b4eb454027cd742e6d96e2a70cce8cd163c
---

 encoder/set.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/encoder/set.c b/encoder/set.c
index ae6a4ea..e2ec1cc 100644
--- a/encoder/set.c
+++ b/encoder/set.c
@@ -539,6 +539,7 @@ int x264_validate_levels( x264_t *h, int verbose )
     int ret = 0;
     int mbs = h->sps->i_mb_width * h->sps->i_mb_height;
     int dpb = mbs * 384 * h->sps->i_num_ref_frames;
+    int cbp_factor = h->sps->i_profile_idc==PROFILE_HIGH ? 5 : 4;
 
     const x264_level_t *l = x264_levels;
     while( l->level_idc != 0 && l->level_idc != h->param.i_level_idc )
@@ -557,8 +558,8 @@ int x264_validate_levels( x264_t *h, int verbose )
     if( (val) > (limit) ) \
         ERROR( name " (%d) > level limit (%d)\n", (int)(val), (limit) );
 
-    CHECK( "VBV bitrate", l->bitrate, h->param.rc.i_vbv_max_bitrate );
-    CHECK( "VBV buffer", l->cpb, h->param.rc.i_vbv_buffer_size );
+    CHECK( "VBV bitrate", (l->bitrate * cbp_factor) / 4, h->param.rc.i_vbv_max_bitrate );
+    CHECK( "VBV buffer", (l->cpb * cbp_factor) / 4, h->param.rc.i_vbv_buffer_size );
     CHECK( "MV range", l->mv_range, h->param.analyse.i_mv_range );
     CHECK( "interlaced", !l->frame_only, h->param.b_interlaced );