From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/aom_scale/yv12config.h | 110 +++++++++++++++++++++++++++++++++ 1 file changed, 110 insertions(+) create mode 100644 third_party/aom/aom_scale/yv12config.h (limited to 'third_party/aom/aom_scale/yv12config.h') diff --git a/third_party/aom/aom_scale/yv12config.h b/third_party/aom/aom_scale/yv12config.h new file mode 100644 index 000000000..434dc7b4a --- /dev/null +++ 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_ -- cgit v1.2.3