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/*
* Copyright (c) 2013 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 VP9_VP9_IFACE_COMMON_H_
#define VP9_VP9_IFACE_COMMON_H_
static void yuvconfig2image(vpx_image_t *img, const YV12_BUFFER_CONFIG *yv12,
void *user_priv) {
/** vpx_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 = 12;
if (yv12->uv_height == yv12->y_height) {
if (yv12->uv_width == yv12->y_width) {
img->fmt = VPX_IMG_FMT_I444;
bps = 24;
} else {
img->fmt = VPX_IMG_FMT_I422;
bps = 16;
}
} else {
img->fmt = VPX_IMG_FMT_I420;
}
img->w = yv12->y_stride;
img->h = multiple16(yv12->y_height + 2 * VP9BORDERINPIXELS);
img->d_w = yv12->y_crop_width;
img->d_h = yv12->y_crop_height;
img->x_chroma_shift = yv12->uv_width < yv12->y_width;
img->y_chroma_shift = yv12->uv_height < yv12->y_height;
img->planes[VPX_PLANE_Y] = yv12->y_buffer;
img->planes[VPX_PLANE_U] = yv12->u_buffer;
img->planes[VPX_PLANE_V] = yv12->v_buffer;
img->planes[VPX_PLANE_ALPHA] = NULL;
img->stride[VPX_PLANE_Y] = yv12->y_stride;
img->stride[VPX_PLANE_U] = yv12->uv_stride;
img->stride[VPX_PLANE_V] = yv12->uv_stride;
img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
img->bps = bps;
img->user_priv = user_priv;
img->img_data = yv12->buffer_alloc;
img->img_data_owner = 0;
img->self_allocd = 0;
}
#endif // VP9_VP9_IFACE_COMMON_H_
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