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authortrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
committertrav90 <travawine@palemoon.org>2018-10-15 21:45:30 -0500
commit68569dee1416593955c1570d638b3d9250b33012 (patch)
treed960f017cd7eba3f125b7e8a813789ee2e076310 /third_party/aom/aom_scale/yv12config.h
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Import aom library
This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.
Diffstat (limited to 'third_party/aom/aom_scale/yv12config.h')
-rw-r--r--third_party/aom/aom_scale/yv12config.h110
1 files changed, 110 insertions, 0 deletions
diff --git a/third_party/aom/aom_scale/yv12config.h b/third_party/aom/aom_scale/yv12config.h
new file mode 100644
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+++ b/third_party/aom/aom_scale/yv12config.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AOM_SCALE_YV12CONFIG_H_
+#define AOM_SCALE_YV12CONFIG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "./aom_config.h"
+#include "aom/aom_codec.h"
+#include "aom/aom_frame_buffer.h"
+#include "aom/aom_integer.h"
+
+#if CONFIG_EXT_PARTITION
+#define AOMINNERBORDERINPIXELS 160
+#else
+#define AOMINNERBORDERINPIXELS 96
+#endif // CONFIG_EXT_PARTITION
+#define AOM_INTERP_EXTEND 4
+
+// TODO(jingning): Use unified inter predictor for encoder and
+// decoder during the development process. Revisit the frame border
+// to improve the decoder performance.
+#define AOM_BORDER_IN_PIXELS 160
+
+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;
+
+#if CONFIG_HIGHBITDEPTH && CONFIG_GLOBAL_MOTION
+ // If the frame is stored in a 16-bit buffer, this stores an 8-bit version
+ // for use in global motion detection. It is allocated on-demand.
+ uint8_t *y_buffer_8bit;
+#endif
+
+ 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;
+ aom_color_space_t color_space;
+ aom_color_range_t color_range;
+ int render_width;
+ int render_height;
+
+ int corrupted;
+ int flags;
+} YV12_BUFFER_CONFIG;
+
+#define YV12_FLAG_HIGHBITDEPTH 8
+
+int aom_alloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y,
+#if CONFIG_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 libaom is using the frame buffer callbacks to handle memory.
+// If cb is not NULL, libaom will call cb with minimum size in bytes needed
+// to decode the current frame. If cb is NULL, libaom will allocate memory
+// internally to decode the current frame. Returns 0 on success. Returns < 0
+// on failure.
+int aom_realloc_frame_buffer(YV12_BUFFER_CONFIG *ybf, int width, int height,
+ int ss_x, int ss_y,
+#if CONFIG_HIGHBITDEPTH
+ int use_highbitdepth,
+#endif
+ int border, int byte_alignment,
+ aom_codec_frame_buffer_t *fb,
+ aom_get_frame_buffer_cb_fn_t cb, void *cb_priv);
+int aom_free_frame_buffer(YV12_BUFFER_CONFIG *ybf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // AOM_SCALE_YV12CONFIG_H_