ref: 0a0ccf669bfc68383f0459e8d2d11392d3440bff
parent: ebac8f3487592896040cfbd6c443bda1b37fd077
author: Minghai Shang <minghai@google.com>
date: Fri Sep 5 12:36:51 EDT 2014
[spatial svc]Add golden frame to first pass rate control Change-Id: If3035f0e7dfcfe88c4bbf4eec66761e070476df0
--- a/vp9/encoder/vp9_firstpass.c
+++ b/vp9/encoder/vp9_firstpass.c
@@ -437,41 +437,51 @@
vp9_set_quantizer(cm, find_fp_qindex());
if (lc != NULL) {- MV_REFERENCE_FRAME ref_frame = LAST_FRAME;
twopass = &lc->twopass;
- if (cpi->common.current_video_frame == 0) {- cpi->ref_frame_flags = 0;
+ cpi->lst_fb_idx = cpi->svc.spatial_layer_id;
+ cpi->ref_frame_flags = VP9_LAST_FLAG;
+
+ if (cpi->svc.number_spatial_layers + cpi->svc.spatial_layer_id <
+ REF_FRAMES) {+ cpi->gld_fb_idx =
+ cpi->svc.number_spatial_layers + cpi->svc.spatial_layer_id;
+ cpi->ref_frame_flags |= VP9_GOLD_FLAG;
+ cpi->refresh_golden_frame = (lc->current_video_frame_in_layer == 0);
} else {- if (lc->current_video_frame_in_layer <
- (unsigned int)cpi->svc.number_temporal_layers)
- cpi->ref_frame_flags = VP9_GOLD_FLAG;
- else
- cpi->ref_frame_flags = VP9_LAST_FLAG | VP9_GOLD_FLAG;
+ cpi->refresh_golden_frame = 0;
}
+ if (lc->current_video_frame_in_layer == 0)
+ cpi->ref_frame_flags = 0;
+
vp9_scale_references(cpi);
// Use either last frame or alt frame for motion search.
if (cpi->ref_frame_flags & VP9_LAST_FLAG) {first_ref_buf = vp9_get_scaled_ref_frame(cpi, LAST_FRAME);
- ref_frame = LAST_FRAME;
if (first_ref_buf == NULL)
first_ref_buf = get_ref_frame_buffer(cpi, LAST_FRAME);
- } else if (cpi->ref_frame_flags & VP9_GOLD_FLAG) {- first_ref_buf = vp9_get_scaled_ref_frame(cpi, GOLDEN_FRAME);
- ref_frame = GOLDEN_FRAME;
- if (first_ref_buf == NULL)
- first_ref_buf = get_ref_frame_buffer(cpi, GOLDEN_FRAME);
}
+ if (cpi->ref_frame_flags & VP9_GOLD_FLAG) {+ const int ref_idx =
+ cm->ref_frame_map[get_ref_frame_idx(cpi, GOLDEN_FRAME)];
+ const int scaled_idx = cpi->scaled_ref_idx[GOLDEN_FRAME - 1];
+
+ gld_yv12 = (scaled_idx != ref_idx) ? &cm->frame_bufs[scaled_idx].buf :
+ get_ref_frame_buffer(cpi, GOLDEN_FRAME);
+ } else {+ gld_yv12 = NULL;
+ }
+
recon_y_stride = new_yv12->y_stride;
recon_uv_stride = new_yv12->uv_stride;
uv_mb_height = 16 >> (new_yv12->y_height > new_yv12->uv_height);
- // Disable golden frame for svc first pass for now.
- gld_yv12 = NULL;
- set_ref_ptrs(cm, xd, ref_frame, NONE);
+ set_ref_ptrs(cm, xd,
+ (cpi->ref_frame_flags & VP9_LAST_FLAG) ? LAST_FRAME: NONE,
+ (cpi->ref_frame_flags & VP9_GOLD_FLAG) ? GOLDEN_FRAME : NONE);
cpi->Source = vp9_scale_if_required(cm, cpi->un_scaled_source,
&cpi->scaled_source);
@@ -581,7 +591,8 @@
x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16) + BORDER_MV_PIXELS_B16;
// Other than for the first frame do a motion search.
- if (cm->current_video_frame > 0) {+ if ((lc == NULL && cm->current_video_frame > 0) ||
+ (lc != NULL && lc->current_video_frame_in_layer > 0)) {int tmp_err, motion_error, raw_motion_error;
// Assume 0,0 motion with no mv overhead.
MV mv = {0, 0} , tmp_mv = {0, 0};@@ -628,7 +639,9 @@
}
// Search in an older reference frame.
- if (cm->current_video_frame > 1 && gld_yv12 != NULL) {+ if (((lc == NULL && cm->current_video_frame > 1) ||
+ (lc != NULL && lc->current_video_frame_in_layer > 1))
+ && gld_yv12 != NULL) {// Assume 0,0 motion with no mv overhead.
int gf_motion_error;
@@ -893,7 +906,7 @@
// Special case for the first frame. Copy into the GF buffer as a second
// reference.
- if (cm->current_video_frame == 0 && gld_yv12 != NULL) {+ if (cm->current_video_frame == 0 && gld_yv12 != NULL && lc == NULL) {vp8_yv12_copy_frame(lst_yv12, gld_yv12);
}