shithub: libvpx

Download patch

ref: 98666368ee7f01a3344c1065abd8700b4002e275
parent: 21e1661b54e6e25bdea4cc0b5c1c55f6df8245f2
author: James Zern <[email protected]>
date: Mon Jun 12 13:54:21 EDT 2017

rename vp8/common/skin_detection.[hc] -> vp8_*

some build systems have trouble with duplicate basenames.
vpx_dsp/skin_detection.[hc] were added in:
658e85425 Merge skin detection code in vp8/9.

BUG=webm:1438

Change-Id: Ieaa70b40bda409ec23e6d179b47a930ac6243b05

--- a/vp8/common/skin_detection.c
+++ /dev/null
@@ -1,101 +1,0 @@
-/*
- *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "vp8/common/skin_detection.h"
-#include "vp8/common/alloccommon.h"
-#include "vpx_dsp/vpx_dsp_common.h"
-#include "vpx_mem/vpx_mem.h"
-#include "vpx_util/vpx_write_yuv_frame.h"
-
-int compute_skin_block(const uint8_t *y, const uint8_t *u, const uint8_t *v,
-                       int stride, int strideuv, int consec_zeromv,
-                       int curr_motion_magn) {
-  // No skin if block has been zero/small motion for long consecutive time.
-  if (consec_zeromv > 60 && curr_motion_magn == 0) {
-    return 0;
-  } else {
-    int motion = 1;
-    // Take the average of center 2x2 pixels.
-    const int ysource = (y[7 * stride + 7] + y[7 * stride + 8] +
-                         y[8 * stride + 7] + y[8 * stride + 8]) >>
-                        2;
-    const int usource = (u[3 * strideuv + 3] + u[3 * strideuv + 4] +
-                         u[4 * strideuv + 3] + u[4 * strideuv + 4]) >>
-                        2;
-    const int vsource = (v[3 * strideuv + 3] + v[3 * strideuv + 4] +
-                         v[4 * strideuv + 3] + v[4 * strideuv + 4]) >>
-                        2;
-    if (consec_zeromv > 25 && curr_motion_magn == 0) motion = 0;
-    return vpx_skin_pixel(ysource, usource, vsource, motion);
-  }
-}
-
-#ifdef OUTPUT_YUV_SKINMAP
-// For viewing skin map on input source.
-void compute_skin_map(VP8_COMP *const cpi, FILE *yuv_skinmap_file) {
-  int i, j, mb_row, mb_col, num_bl;
-  VP8_COMMON *const cm = &cpi->common;
-  uint8_t *y;
-  const uint8_t *src_y = cpi->Source->y_buffer;
-  const uint8_t *src_u = cpi->Source->u_buffer;
-  const uint8_t *src_v = cpi->Source->v_buffer;
-  const int src_ystride = cpi->Source->y_stride;
-  const int src_uvstride = cpi->Source->uv_stride;
-
-  YV12_BUFFER_CONFIG skinmap;
-  memset(&skinmap, 0, sizeof(skinmap));
-  if (vp8_yv12_alloc_frame_buffer(&skinmap, cm->Width, cm->Height,
-                                  VP8BORDERINPIXELS) < 0) {
-    vpx_free_frame_buffer(&skinmap);
-    return;
-  }
-  memset(skinmap.buffer_alloc, 128, skinmap.frame_size);
-  y = skinmap.y_buffer;
-  // Loop through blocks and set skin map based on center pixel of block.
-  // Set y to white for skin block, otherwise set to source with gray scale.
-  // Ignore rightmost/bottom boundary blocks.
-  for (mb_row = 0; mb_row < cm->mb_rows; mb_row += 1) {
-    num_bl = 0;
-    for (mb_col = 0; mb_col < cm->mb_cols; mb_col += 1) {
-      int is_skin = 0;
-      int consec_zeromv = 0;
-      const int bl_index = mb_row * cm->mb_cols + mb_col;
-      const int bl_index1 = bl_index + 1;
-      const int bl_index2 = bl_index + cm->mb_cols;
-      const int bl_index3 = bl_index2 + 1;
-      consec_zeromv = VPXMIN(cpi->consec_zero_last[bl_index],
-                             VPXMIN(cpi->consec_zero_last[bl_index1],
-                                    VPXMIN(cpi->consec_zero_last[bl_index2],
-                                           cpi->consec_zero_last[bl_index3])));
-      is_skin = compute_skin_block(src_y, src_u, src_v, src_ystride,
-                                   src_uvstride, consec_zeromv, 0);
-      for (i = 0; i < 16; i++) {
-        for (j = 0; j < 16; j++) {
-          if (is_skin)
-            y[i * src_ystride + j] = 255;
-          else
-            y[i * src_ystride + j] = src_y[i * src_ystride + j];
-        }
-      }
-      num_bl++;
-      y += 16;
-      src_y += 16;
-      src_u += 8;
-      src_v += 8;
-    }
-    y += (src_ystride << 4) - (num_bl << 4);
-    src_y += (src_ystride << 4) - (num_bl << 4);
-    src_u += (src_uvstride << 3) - (num_bl << 3);
-    src_v += (src_uvstride << 3) - (num_bl << 3);
-  }
-  vpx_write_yuv_frame(yuv_skinmap_file, &skinmap);
-  vpx_free_frame_buffer(&skinmap);
-}
-#endif  // OUTPUT_YUV_SKINMAP
--- a/vp8/common/skin_detection.h
+++ /dev/null
@@ -1,38 +1,0 @@
-/*
- *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef VP8_COMMON_SKIN_DETECTION_H_
-#define VP8_COMMON_SKIN_DETECTION_H_
-
-#include "vp8/encoder/onyx_int.h"
-#include "vpx/vpx_integer.h"
-#include "vpx_dsp/skin_detection.h"
-#include "vpx_scale/yv12config.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-struct VP8_COMP;
-
-int compute_skin_block(const uint8_t *y, const uint8_t *u, const uint8_t *v,
-                       int stride, int strideuv, int consec_zeromv,
-                       int curr_motion_magn);
-
-#ifdef OUTPUT_YUV_SKINMAP
-// For viewing skin map on input source.
-void compute_skin_map(struct VP8_COMP *const cpi, FILE *yuv_skinmap_file);
-#endif
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VP8_COMMON_SKIN_DETECTION_H_
--- /dev/null
+++ b/vp8/common/vp8_skin_detection.c
@@ -1,0 +1,101 @@
+/*
+ *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "vp8/common/alloccommon.h"
+#include "vp8/common/vp8_skin_detection.h"
+#include "vpx_dsp/vpx_dsp_common.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vpx_util/vpx_write_yuv_frame.h"
+
+int compute_skin_block(const uint8_t *y, const uint8_t *u, const uint8_t *v,
+                       int stride, int strideuv, int consec_zeromv,
+                       int curr_motion_magn) {
+  // No skin if block has been zero/small motion for long consecutive time.
+  if (consec_zeromv > 60 && curr_motion_magn == 0) {
+    return 0;
+  } else {
+    int motion = 1;
+    // Take the average of center 2x2 pixels.
+    const int ysource = (y[7 * stride + 7] + y[7 * stride + 8] +
+                         y[8 * stride + 7] + y[8 * stride + 8]) >>
+                        2;
+    const int usource = (u[3 * strideuv + 3] + u[3 * strideuv + 4] +
+                         u[4 * strideuv + 3] + u[4 * strideuv + 4]) >>
+                        2;
+    const int vsource = (v[3 * strideuv + 3] + v[3 * strideuv + 4] +
+                         v[4 * strideuv + 3] + v[4 * strideuv + 4]) >>
+                        2;
+    if (consec_zeromv > 25 && curr_motion_magn == 0) motion = 0;
+    return vpx_skin_pixel(ysource, usource, vsource, motion);
+  }
+}
+
+#ifdef OUTPUT_YUV_SKINMAP
+// For viewing skin map on input source.
+void compute_skin_map(VP8_COMP *const cpi, FILE *yuv_skinmap_file) {
+  int i, j, mb_row, mb_col, num_bl;
+  VP8_COMMON *const cm = &cpi->common;
+  uint8_t *y;
+  const uint8_t *src_y = cpi->Source->y_buffer;
+  const uint8_t *src_u = cpi->Source->u_buffer;
+  const uint8_t *src_v = cpi->Source->v_buffer;
+  const int src_ystride = cpi->Source->y_stride;
+  const int src_uvstride = cpi->Source->uv_stride;
+
+  YV12_BUFFER_CONFIG skinmap;
+  memset(&skinmap, 0, sizeof(skinmap));
+  if (vp8_yv12_alloc_frame_buffer(&skinmap, cm->Width, cm->Height,
+                                  VP8BORDERINPIXELS) < 0) {
+    vpx_free_frame_buffer(&skinmap);
+    return;
+  }
+  memset(skinmap.buffer_alloc, 128, skinmap.frame_size);
+  y = skinmap.y_buffer;
+  // Loop through blocks and set skin map based on center pixel of block.
+  // Set y to white for skin block, otherwise set to source with gray scale.
+  // Ignore rightmost/bottom boundary blocks.
+  for (mb_row = 0; mb_row < cm->mb_rows; mb_row += 1) {
+    num_bl = 0;
+    for (mb_col = 0; mb_col < cm->mb_cols; mb_col += 1) {
+      int is_skin = 0;
+      int consec_zeromv = 0;
+      const int bl_index = mb_row * cm->mb_cols + mb_col;
+      const int bl_index1 = bl_index + 1;
+      const int bl_index2 = bl_index + cm->mb_cols;
+      const int bl_index3 = bl_index2 + 1;
+      consec_zeromv = VPXMIN(cpi->consec_zero_last[bl_index],
+                             VPXMIN(cpi->consec_zero_last[bl_index1],
+                                    VPXMIN(cpi->consec_zero_last[bl_index2],
+                                           cpi->consec_zero_last[bl_index3])));
+      is_skin = compute_skin_block(src_y, src_u, src_v, src_ystride,
+                                   src_uvstride, consec_zeromv, 0);
+      for (i = 0; i < 16; i++) {
+        for (j = 0; j < 16; j++) {
+          if (is_skin)
+            y[i * src_ystride + j] = 255;
+          else
+            y[i * src_ystride + j] = src_y[i * src_ystride + j];
+        }
+      }
+      num_bl++;
+      y += 16;
+      src_y += 16;
+      src_u += 8;
+      src_v += 8;
+    }
+    y += (src_ystride << 4) - (num_bl << 4);
+    src_y += (src_ystride << 4) - (num_bl << 4);
+    src_u += (src_uvstride << 3) - (num_bl << 3);
+    src_v += (src_uvstride << 3) - (num_bl << 3);
+  }
+  vpx_write_yuv_frame(yuv_skinmap_file, &skinmap);
+  vpx_free_frame_buffer(&skinmap);
+}
+#endif  // OUTPUT_YUV_SKINMAP
--- /dev/null
+++ b/vp8/common/vp8_skin_detection.h
@@ -1,0 +1,38 @@
+/*
+ *  Copyright (c) 2015 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VP8_COMMON_SKIN_DETECTION_H_
+#define VP8_COMMON_SKIN_DETECTION_H_
+
+#include "vp8/encoder/onyx_int.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/skin_detection.h"
+#include "vpx_scale/yv12config.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct VP8_COMP;
+
+int compute_skin_block(const uint8_t *y, const uint8_t *u, const uint8_t *v,
+                       int stride, int strideuv, int consec_zeromv,
+                       int curr_motion_magn);
+
+#ifdef OUTPUT_YUV_SKINMAP
+// For viewing skin map on input source.
+void compute_skin_map(struct VP8_COMP *const cpi, FILE *yuv_skinmap_file);
+#endif
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP8_COMMON_SKIN_DETECTION_H_
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -16,7 +16,7 @@
 #include "vp8/common/blockd.h"
 #include "onyx_int.h"
 #include "vp8/common/systemdependent.h"
-#include "vp8/common/skin_detection.h"
+#include "vp8/common/vp8_skin_detection.h"
 #include "vp8/encoder/quantize.h"
 #include "vp8/common/alloccommon.h"
 #include "mcomp.h"
--- a/vp8/encoder/pickinter.c
+++ b/vp8/encoder/pickinter.c
@@ -25,7 +25,7 @@
 #include "vp8/common/reconintra4x4.h"
 #include "vpx_dsp/variance.h"
 #include "mcomp.h"
-#include "vp8/common/skin_detection.h"
+#include "vp8/common/vp8_skin_detection.h"
 #include "rdopt.h"
 #include "vpx_dsp/vpx_dsp_common.h"
 #include "vpx_mem/vpx_mem.h"
--- a/vp8/vp8cx.mk
+++ b/vp8/vp8cx.mk
@@ -61,8 +61,8 @@
 VP8_CX_SRCS-yes += encoder/rdopt.c
 VP8_CX_SRCS-yes += encoder/segmentation.c
 VP8_CX_SRCS-yes += encoder/segmentation.h
-VP8_CX_SRCS-yes += common/skin_detection.c
-VP8_CX_SRCS-yes += common/skin_detection.h
+VP8_CX_SRCS-yes += common/vp8_skin_detection.c
+VP8_CX_SRCS-yes += common/vp8_skin_detection.h
 VP8_CX_SRCS-yes += encoder/tokenize.c
 VP8_CX_SRCS-yes += encoder/dct_value_cost.h
 VP8_CX_SRCS-yes += encoder/dct_value_tokens.h