| Index: third_party/libvpx/source/libvpx/vp9/vp9_iface_common.h
|
| diff --git a/third_party/libvpx/source/libvpx/vp9/vp9_iface_common.h b/third_party/libvpx/source/libvpx/vp9/vp9_iface_common.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..e585aa1472505cbc1be52a82866b3abecbf0cdfb
|
| --- /dev/null
|
| +++ b/third_party/libvpx/source/libvpx/vp9/vp9_iface_common.h
|
| @@ -0,0 +1,128 @@
|
| +/*
|
| + * 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;
|
| + if (!yv12->subsampling_y) {
|
| + if (!yv12->subsampling_x) {
|
| + img->fmt = VPX_IMG_FMT_I444;
|
| + bps = 24;
|
| + } else {
|
| + img->fmt = VPX_IMG_FMT_I422;
|
| + bps = 16;
|
| + }
|
| + } else {
|
| + if (!yv12->subsampling_x) {
|
| + img->fmt = VPX_IMG_FMT_I440;
|
| + bps = 16;
|
| + } else {
|
| + img->fmt = VPX_IMG_FMT_I420;
|
| + bps = 12;
|
| + }
|
| + }
|
| + img->cs = yv12->color_space;
|
| + img->bit_depth = 8;
|
| + img->w = yv12->y_stride;
|
| + img->h = ALIGN_POWER_OF_TWO(yv12->y_height + 2 * VP9_ENC_BORDER_IN_PIXELS, 3);
|
| + img->d_w = yv12->y_crop_width;
|
| + img->d_h = yv12->y_crop_height;
|
| + img->x_chroma_shift = yv12->subsampling_x;
|
| + img->y_chroma_shift = yv12->subsampling_y;
|
| + 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;
|
| +#if CONFIG_VP9_HIGHBITDEPTH
|
| + if (yv12->flags & YV12_FLAG_HIGHBITDEPTH) {
|
| + // vpx_image_t uses byte strides and a pointer to the first byte
|
| + // of the image.
|
| + img->fmt |= VPX_IMG_FMT_HIGHBITDEPTH;
|
| + img->bit_depth = yv12->bit_depth;
|
| + img->planes[VPX_PLANE_Y] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->y_buffer);
|
| + img->planes[VPX_PLANE_U] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->u_buffer);
|
| + img->planes[VPX_PLANE_V] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->v_buffer);
|
| + img->planes[VPX_PLANE_ALPHA] = NULL;
|
| + img->stride[VPX_PLANE_Y] = 2 * yv12->y_stride;
|
| + img->stride[VPX_PLANE_U] = 2 * yv12->uv_stride;
|
| + img->stride[VPX_PLANE_V] = 2 * yv12->uv_stride;
|
| + img->stride[VPX_PLANE_ALPHA] = 2 * yv12->y_stride;
|
| + }
|
| +#endif // CONFIG_VP9_HIGHBITDEPTH
|
| + img->bps = bps;
|
| + img->user_priv = user_priv;
|
| + img->img_data = yv12->buffer_alloc;
|
| + img->img_data_owner = 0;
|
| + img->self_allocd = 0;
|
| +}
|
| +
|
| +static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img,
|
| + YV12_BUFFER_CONFIG *yv12) {
|
| + yv12->y_buffer = img->planes[VPX_PLANE_Y];
|
| + yv12->u_buffer = img->planes[VPX_PLANE_U];
|
| + yv12->v_buffer = img->planes[VPX_PLANE_V];
|
| +
|
| + yv12->y_crop_width = img->d_w;
|
| + yv12->y_crop_height = img->d_h;
|
| + yv12->y_width = img->d_w;
|
| + yv12->y_height = img->d_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[VPX_PLANE_Y];
|
| + yv12->uv_stride = img->stride[VPX_PLANE_U];
|
| + yv12->color_space = img->cs;
|
| +
|
| +#if CONFIG_VP9_HIGHBITDEPTH
|
| + if (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
|
| + // In vpx_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;
|
| + }
|
| + yv12->border = (yv12->y_stride - img->w) / 2;
|
| +#else
|
| + yv12->border = (img->stride[VPX_PLANE_Y] - img->w) / 2;
|
| +#endif // CONFIG_VP9_HIGHBITDEPTH
|
| + yv12->subsampling_x = img->x_chroma_shift;
|
| + yv12->subsampling_y = img->y_chroma_shift;
|
| + return VPX_CODEC_OK;
|
| +}
|
| +
|
| +#endif // VP9_VP9_IFACE_COMMON_H_
|
|
|