| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| #ifndef AOM_AV1_AV1_IFACE_COMMON_H_ |
| #define AOM_AV1_AV1_IFACE_COMMON_H_ |
| |
| #include <assert.h> |
| |
| #include "aom_ports/mem.h" |
| #include "aom_scale/yv12config.h" |
| #include "av1/common/enums.h" |
| |
| /* Constant value specifying size of subgop*/ |
| #define MAX_SUBGOP_SIZE 32 |
| typedef struct { |
| int disp_frame_idx; |
| int is_filtered; |
| int show_frame; |
| int show_existing_frame; |
| int pyramid_level; |
| int qindex; |
| int refresh_frame_flags; |
| int num_references; |
| int ref_frame_pyr_level[INTER_REFS_PER_FRAME]; |
| int ref_frame_disp_order[INTER_REFS_PER_FRAME]; |
| int is_valid_ref_frame[INTER_REFS_PER_FRAME]; |
| unsigned int ref_frame_map[REF_FRAMES]; |
| } SubGOPStepData; |
| |
| typedef struct { |
| int num_steps; |
| int step_idx_enc; |
| int step_idx_dec; |
| SubGOPStepData step[MAX_SUBGOP_SIZE]; |
| } SubGOPData; |
| |
| static void yuvconfig2image(aom_image_t *img, const YV12_BUFFER_CONFIG *yv12, |
| void *user_priv) { |
| /* aom_img_wrap() doesn't allow specifying independent strides for |
| * the Y, U, and V planes, nor other alignment adjustments that |
| * might be representable by a YV12_BUFFER_CONFIG, so we just |
| * initialize all the fields. |
| */ |
| int bps; |
| if (!yv12->subsampling_y) { |
| if (!yv12->subsampling_x) { |
| img->fmt = AOM_IMG_FMT_I444; |
| bps = 24; |
| } else { |
| img->fmt = AOM_IMG_FMT_I422; |
| bps = 16; |
| } |
| } else { |
| img->fmt = AOM_IMG_FMT_I420; |
| bps = 12; |
| } |
| img->cp = yv12->color_primaries; |
| img->tc = yv12->transfer_characteristics; |
| img->mc = yv12->matrix_coefficients; |
| img->monochrome = yv12->monochrome; |
| img->csp = yv12->chroma_sample_position; |
| img->range = yv12->color_range; |
| img->bit_depth = 8; |
| img->w = yv12->y_width; |
| img->h = yv12->y_height; |
| img->d_w = yv12->y_crop_width; |
| img->d_h = yv12->y_crop_height; |
| img->r_w = yv12->render_width; |
| img->r_h = yv12->render_height; |
| img->x_chroma_shift = yv12->subsampling_x; |
| img->y_chroma_shift = yv12->subsampling_y; |
| img->planes[AOM_PLANE_Y] = yv12->y_buffer; |
| img->planes[AOM_PLANE_U] = yv12->u_buffer; |
| img->planes[AOM_PLANE_V] = yv12->v_buffer; |
| img->stride[AOM_PLANE_Y] = yv12->y_stride; |
| img->stride[AOM_PLANE_U] = yv12->uv_stride; |
| img->stride[AOM_PLANE_V] = yv12->uv_stride; |
| if (yv12->flags & YV12_FLAG_HIGHBITDEPTH) { |
| bps *= 2; |
| // aom_image_t uses byte strides and a pointer to the first byte |
| // of the image. |
| img->fmt = (aom_img_fmt_t)(img->fmt | AOM_IMG_FMT_HIGHBITDEPTH); |
| img->bit_depth = yv12->bit_depth; |
| img->planes[AOM_PLANE_Y] = (uint8_t *)CONVERT_TO_SHORTPTR(yv12->y_buffer); |
| img->planes[AOM_PLANE_U] = (uint8_t *)CONVERT_TO_SHORTPTR(yv12->u_buffer); |
| img->planes[AOM_PLANE_V] = (uint8_t *)CONVERT_TO_SHORTPTR(yv12->v_buffer); |
| img->stride[AOM_PLANE_Y] = 2 * yv12->y_stride; |
| img->stride[AOM_PLANE_U] = 2 * yv12->uv_stride; |
| img->stride[AOM_PLANE_V] = 2 * yv12->uv_stride; |
| } |
| img->bps = bps; |
| img->user_priv = user_priv; |
| img->img_data = yv12->buffer_alloc; |
| img->img_data_owner = 0; |
| img->self_allocd = 0; |
| img->sz = yv12->frame_size; |
| assert(!yv12->metadata); |
| img->metadata = NULL; |
| } |
| |
| static aom_codec_err_t image2yuvconfig(const aom_image_t *img, |
| YV12_BUFFER_CONFIG *yv12) { |
| yv12->y_buffer = img->planes[AOM_PLANE_Y]; |
| yv12->u_buffer = img->planes[AOM_PLANE_U]; |
| yv12->v_buffer = img->planes[AOM_PLANE_V]; |
| |
| yv12->y_crop_width = img->d_w; |
| yv12->y_crop_height = img->d_h; |
| yv12->render_width = img->r_w; |
| yv12->render_height = img->r_h; |
| yv12->y_width = img->w; |
| yv12->y_height = img->h; |
| |
| yv12->uv_width = |
| img->x_chroma_shift == 1 ? (1 + yv12->y_width) / 2 : yv12->y_width; |
| yv12->uv_height = |
| img->y_chroma_shift == 1 ? (1 + yv12->y_height) / 2 : yv12->y_height; |
| yv12->uv_crop_width = yv12->uv_width; |
| yv12->uv_crop_height = yv12->uv_height; |
| |
| yv12->y_stride = img->stride[AOM_PLANE_Y]; |
| yv12->uv_stride = img->stride[AOM_PLANE_U]; |
| yv12->color_primaries = img->cp; |
| yv12->transfer_characteristics = img->tc; |
| yv12->matrix_coefficients = img->mc; |
| yv12->monochrome = img->monochrome; |
| yv12->chroma_sample_position = img->csp; |
| yv12->color_range = img->range; |
| |
| if (img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) { |
| // In aom_image_t |
| // planes point to uint8 address of start of data |
| // stride counts uint8s to reach next row |
| // In YV12_BUFFER_CONFIG |
| // y_buffer, u_buffer, v_buffer point to uint16 address of data |
| // stride and border counts in uint16s |
| // This means that all the address calculations in the main body of code |
| // should work correctly. |
| // However, before we do any pixel operations we need to cast the address |
| // to a uint16 ponter and double its value. |
| yv12->y_buffer = CONVERT_TO_BYTEPTR(yv12->y_buffer); |
| yv12->u_buffer = CONVERT_TO_BYTEPTR(yv12->u_buffer); |
| yv12->v_buffer = CONVERT_TO_BYTEPTR(yv12->v_buffer); |
| yv12->y_stride >>= 1; |
| yv12->uv_stride >>= 1; |
| yv12->flags = YV12_FLAG_HIGHBITDEPTH; |
| } else { |
| yv12->flags = 0; |
| } |
| |
| // Note(yunqing): if img is allocated the same as the frame buffer, y_stride |
| // is 32-byte aligned. Also, handle the cases while allocating img without a |
| // border or stride_align is less than 32. |
| int border = (yv12->y_stride - (int)((img->w + 31) & ~31)) / 2; |
| yv12->border = (border < 0) ? 0 : border; |
| yv12->subsampling_x = img->x_chroma_shift; |
| yv12->subsampling_y = img->y_chroma_shift; |
| yv12->metadata = img->metadata; |
| return AOM_CODEC_OK; |
| } |
| |
| #endif // AOM_AV1_AV1_IFACE_COMMON_H_ |