(61d00a474) v0.9.7.1

2020-03-04 13:04:10 +01:00
parent 3c50efa5c9
commit 3c09ebe02f
5086 changed files with 786063 additions and 295871 deletions
@@ -0,0 +1,103 @@
+/*
+ *  Copyright (c) 2010 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 VPX_VPX_SCALE_YV12CONFIG_H_
+#define VPX_VPX_SCALE_YV12CONFIG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "./vpx_config.h"
+#include "vpx/vpx_codec.h"
+#include "vpx/vpx_frame_buffer.h"
+#include "vpx/vpx_integer.h"
+
+#define VP8BORDERINPIXELS 32
+#define VP9INNERBORDERINPIXELS 96
+#define VP9_INTERP_EXTEND 4
+#define VP9_ENC_BORDER_IN_PIXELS 160
+#define VP9_DEC_BORDER_IN_PIXELS 32
+
+typedef struct yv12_buffer_config {
+  int y_width;
+  int y_height;
+  int y_crop_width;
+  int y_crop_height;
+  int y_stride;
+
+  int uv_width;
+  int uv_height;
+  int uv_crop_width;
+  int uv_crop_height;
+  int uv_stride;
+
+  int alpha_width;
+  int alpha_height;
+  int alpha_stride;
+
+  uint8_t *y_buffer;
+  uint8_t *u_buffer;
+  uint8_t *v_buffer;
+  uint8_t *alpha_buffer;
+
+  uint8_t *buffer_alloc;
+  size_t buffer_alloc_sz;
+  int border;
+  size_t frame_size;
+  int subsampling_x;
+  int subsampling_y;
+  unsigned int bit_depth;
+  vpx_color_space_t color_space;
+  vpx_color_range_t color_range;
+  int render_width;
+  int render_height;
+
+  int corrupted;
+  int flags;
+} YV12_BUFFER_CONFIG;
+
+#define YV12_FLAG_HIGHBITDEPTH 8
+
+int vp8_yv12_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+                                int border);
+int vp8_yv12_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width,
+                                  int height, int border);
+int vp8_yv12_de_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+int vpx_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+                           int ss_x, int ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+                           int use_highbitdepth,
+#endif
+                           int border, int byte_alignment);
+
+// Updates the yv12 buffer config with the frame buffer. |byte_alignment| must
+// be a power of 2, from 32 to 1024. 0 sets legacy alignment. If cb is not
+// NULL, then libvpx is using the frame buffer callbacks to handle memory.
+// If cb is not NULL, libvpx will call cb with minimum size in bytes needed
+// to decode the current frame. If cb is NULL, libvpx will allocate memory
+// internally to decode the current frame. Returns 0 on success. Returns < 0
+// on failure.
+int vpx_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+                             int ss_x, int ss_y,
+#if CONFIG_VP9_HIGHBITDEPTH
+                             int use_highbitdepth,
+#endif
+                             int border, int byte_alignment,
+                             vpx_codec_frame_buffer_t *fb,
+                             vpx_get_frame_buffer_cb_fn_t cb, void *cb_priv);
+int vpx_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // VPX_VPX_SCALE_YV12CONFIG_H_