diff options
Diffstat (limited to 'libhb/hb.c')
| -rw-r--r-- | libhb/hb.c | 33 |
1 files changed, 10 insertions, 23 deletions
diff --git a/libhb/hb.c b/libhb/hb.c index 0ad101aaf..9e331f0b3 100644 --- a/libhb/hb.c +++ b/libhb/hb.c @@ -865,15 +865,13 @@ void hb_get_preview( hb_handle_t * h, hb_title_t * title, int picture, * @param prog_diff Sensitivity for detecting different colors on progressive frames * @param prog_threshold Sensitivity for flagging progressive frames as combed */ -int hb_detect_comb( hb_buffer_t * buf, int width, int height, int color_equal, int color_diff, int threshold, int prog_equal, int prog_diff, int prog_threshold ) +int hb_detect_comb( hb_buffer_t * buf, int color_equal, int color_diff, int threshold, int prog_equal, int prog_diff, int prog_threshold ) { int j, k, n, off, cc_1, cc_2, cc[3]; // int flag[3] ; // debugging flag uint16_t s1, s2, s3, s4; cc_1 = 0; cc_2 = 0; - int offset = 0; - if ( buf->s.flags & 16 ) { /* Frame is progressive, be more discerning. */ @@ -885,21 +883,10 @@ int hb_detect_comb( hb_buffer_t * buf, int width, int height, int color_equal, i /* One pas for Y, one pass for Cb, one pass for Cr */ for( k = 0; k < 3; k++ ) { - if( k == 1 ) - { - /* Y has already been checked, now offset by Y's dimensions - and divide all the other values by 2, since Cr and Cb - are half-size compared to Y. */ - offset = width * height; - width >>= 1; - height >>= 1; - } - else if ( k == 2 ) - { - /* Y and Cb are done, so the offset needs to be bumped - so it's width*height + (width / 2) * (height / 2) */ - offset *= 5/4; - } + uint8_t * data = buf->plane[k].data; + int width = buf->plane[k].width; + int stride = buf->plane[k].stride; + int height = buf->plane[k].height; for( j = 0; j < width; ++j ) { @@ -908,10 +895,10 @@ int hb_detect_comb( hb_buffer_t * buf, int width, int height, int color_equal, i for( n = 0; n < ( height - 4 ); n = n + 2 ) { /* Look at groups of 4 sequential horizontal lines */ - s1 = ( ( buf->data + offset )[ off + j ] & 0xff ); - s2 = ( ( buf->data + offset )[ off + j + width ] & 0xff ); - s3 = ( ( buf->data + offset )[ off + j + 2 * width ] & 0xff ); - s4 = ( ( buf->data + offset )[ off + j + 3 * width ] & 0xff ); + s1 = ( ( data )[ off + j ] & 0xff ); + s2 = ( ( data )[ off + j + stride ] & 0xff ); + s3 = ( ( data )[ off + j + 2 * stride ] & 0xff ); + s4 = ( ( data )[ off + j + 3 * stride ] & 0xff ); /* Note if the 1st and 2nd lines are more different in color than the 1st and 3rd lines are similar in color.*/ @@ -926,7 +913,7 @@ int hb_detect_comb( hb_buffer_t * buf, int width, int height, int color_equal, i ++cc_2; /* Now move down 2 horizontal lines before starting over.*/ - off += 2 * width; + off += 2 * stride; } } |