From 73ad2c2fa725be51215e1c021c5335f8ce65af79 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Mon, 17 Dec 2012 21:36:05 +0100 Subject: h264: increase dist_scale_factor for up to 32 references Compute dist_scale_factor_field only for MBAFF since that is the only case in which it is used. --- libavcodec/h264_direct.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) (limited to 'libavcodec/h264_direct.c') diff --git a/libavcodec/h264_direct.c b/libavcodec/h264_direct.c index fc429aee80..a33efa5d6f 100644 --- a/libavcodec/h264_direct.c +++ b/libavcodec/h264_direct.c @@ -54,14 +54,17 @@ void ff_h264_direct_dist_scale_factor(H264Context * const h){ const int poc = h->s.current_picture_ptr->field_poc[ s->picture_structure == PICT_BOTTOM_FIELD ]; const int poc1 = h->ref_list[1][0].poc; int i, field; - for(field=0; field<2; field++){ - const int poc = h->s.current_picture_ptr->field_poc[field]; - const int poc1 = h->ref_list[1][0].field_poc[field]; - for(i=0; i < 2*h->ref_count[0]; i++) - h->dist_scale_factor_field[field][i^field] = get_scale_factor(h, poc, poc1, i+16); - } - for(i=0; iref_count[0]; i++){ + if (FRAME_MBAFF) + for (field = 0; field < 2; field++){ + const int poc = h->s.current_picture_ptr->field_poc[field]; + const int poc1 = h->ref_list[1][0].field_poc[field]; + for (i = 0; i < 2 * h->ref_count[0]; i++) + h->dist_scale_factor_field[field][i^field] = + get_scale_factor(h, poc, poc1, i+16); + } + + for (i = 0; i < h->ref_count[0]; i++){ h->dist_scale_factor[i] = get_scale_factor(h, poc, poc1, i); } } -- cgit v1.2.3