= Adds an hb_detect_comb() function that indicates whether or not a frame shows interlacing artifacts.

- Utilitizes that function in scan.c to analyze the preview frames
- Sets a new title->detected_interlacing variable to true if half or more previews show combing, and warns the user in the log.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@1359 b64f7644-9d1e-0410-96f1-a4d463321fa5

1 files changed, 5 insertions, 0 deletions

diff --git a/libhb/hb.h b/libhb/hb.h
index 7454b634b..6dfbf7be8 100644
--- a/libhb/hb.h
+++ b/libhb/hb.h
@@ -76,6 +76,11 @@ void          hb_scan( hb_handle_t *, const char * path,
    Returns the list of valid titles detected by the latest scan. */
 hb_list_t   * hb_get_titles( hb_handle_t * );
 
+/* hb_detect_comb()
+   Analyze a frame for interlacing artifacts, returns true if they're found.
+   Taken from Thomas Oestreich's 32detect filter in the Transcode project.  */
+int hb_detect_comb( hb_buffer_t * buf, int width, int height, int color_equal, int color_diff, int threshold );
+
 void          hb_get_preview( hb_handle_t *, hb_title_t *, int,
                               uint8_t * );
 void          hb_set_size( hb_job_t *, int ratio, int pixels );