ref: e03b8b78b2f358b90a053d08eebdb2c69816516e
parent: 0cdc85d8cf376592171607df16c3851999393412
parent: 4bbd95512afa1f8e202f25ca111e42d97a2cd3cf
author: Marco <marpan@chromium.org>
date: Mon Jul 13 15:06:25 EDT 2015
Merge "Dynamic resize for real-time: source scaling"
--- a/vp9/encoder/vp9_encoder.c
+++ b/vp9/encoder/vp9_encoder.c
@@ -19,6 +19,7 @@
#include "vpx/internal/vpx_psnr.h"
#include "vpx_ports/mem.h"
#include "vpx_ports/vpx_timer.h"
+#include "vpx_scale/vpx_scale.h"
#include "vp9/common/vp9_alloccommon.h"
#include "vp9/common/vp9_filter.h"
@@ -3140,13 +3141,28 @@
set_frame_size(cpi);
- cpi->Source = vp9_scale_if_required(cm, cpi->un_scaled_source,
- &cpi->scaled_source);
+ // For 1 pass CBR under dynamic resize mode: use faster scaling for source.
+ // Only for 2x2 scaling for now.
+ if (cpi->oxcf.pass == 0 &&
+ cpi->oxcf.rc_mode == VPX_CBR &&
+ cpi->oxcf.resize_mode == RESIZE_DYNAMIC &&
+ cpi->resize_scale_num == 1 &&
+ cpi->resize_scale_den == 2) {+ cpi->Source = vp9_scale_if_required_fast(cm,
+ cpi->un_scaled_source,
+ &cpi->scaled_source);
+ if (cpi->unscaled_last_source != NULL)
+ cpi->Last_Source = vp9_scale_if_required_fast(cm,
+ cpi->unscaled_last_source,
+ &cpi->scaled_last_source);
+ } else {+ cpi->Source = vp9_scale_if_required(cm, cpi->un_scaled_source,
+ &cpi->scaled_source);
+ if (cpi->unscaled_last_source != NULL)
+ cpi->Last_Source = vp9_scale_if_required(cm, cpi->unscaled_last_source,
+ &cpi->scaled_last_source);
+ }
- if (cpi->unscaled_last_source != NULL)
- cpi->Last_Source = vp9_scale_if_required(cm, cpi->unscaled_last_source,
- &cpi->scaled_last_source);
-
if (frame_is_intra_only(cm) == 0) {vp9_scale_references(cpi);
}
@@ -3488,6 +3504,21 @@
cpi->refresh_golden_frame = cpi->ext_refresh_golden_frame;
cpi->refresh_alt_ref_frame = cpi->ext_refresh_alt_ref_frame;
cpi->ext_refresh_frame_flags_pending = 0;
+ }
+}
+
+YV12_BUFFER_CONFIG *vp9_scale_if_required_fast(VP9_COMMON *cm,
+ YV12_BUFFER_CONFIG *unscaled,
+ YV12_BUFFER_CONFIG *scaled) {+ if (cm->mi_cols * MI_SIZE != unscaled->y_width ||
+ cm->mi_rows * MI_SIZE != unscaled->y_height) {+ // For 2x2 scaling down.
+ vpx_scale_frame(unscaled, scaled, unscaled->y_buffer, 9, 2, 1,
+ 2, 1, 0);
+ vp9_extend_frame_borders(scaled);
+ return scaled;
+ } else {+ return unscaled;
}
}
--- a/vp9/encoder/vp9_encoder.h
+++ b/vp9/encoder/vp9_encoder.h
@@ -614,6 +614,10 @@
void vp9_set_high_precision_mv(VP9_COMP *cpi, int allow_high_precision_mv);
+YV12_BUFFER_CONFIG *vp9_scale_if_required_fast(VP9_COMMON *cm,
+ YV12_BUFFER_CONFIG *unscaled,
+ YV12_BUFFER_CONFIG *scaled);
+
YV12_BUFFER_CONFIG *vp9_scale_if_required(VP9_COMMON *cm,
YV12_BUFFER_CONFIG *unscaled,
YV12_BUFFER_CONFIG *scaled);
--
⑨