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-rw-r--r--thirdparty/libvpx/vpx/src/vpx_image.c285
1 files changed, 0 insertions, 285 deletions
diff --git a/thirdparty/libvpx/vpx/src/vpx_image.c b/thirdparty/libvpx/vpx/src/vpx_image.c
deleted file mode 100644
index 9aae12c794..0000000000
--- a/thirdparty/libvpx/vpx/src/vpx_image.c
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- * Copyright (c) 2010 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.
- */
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "vpx/vpx_image.h"
-#include "vpx/vpx_integer.h"
-#include "vpx_mem/vpx_mem.h"
-
-static vpx_image_t *img_alloc_helper(vpx_image_t *img,
- vpx_img_fmt_t fmt,
- unsigned int d_w,
- unsigned int d_h,
- unsigned int buf_align,
- unsigned int stride_align,
- unsigned char *img_data) {
- unsigned int h, w, s, xcs, ycs, bps;
- unsigned int stride_in_bytes;
- int align;
-
- /* Treat align==0 like align==1 */
- if (!buf_align)
- buf_align = 1;
-
- /* Validate alignment (must be power of 2) */
- if (buf_align & (buf_align - 1))
- goto fail;
-
- /* Treat align==0 like align==1 */
- if (!stride_align)
- stride_align = 1;
-
- /* Validate alignment (must be power of 2) */
- if (stride_align & (stride_align - 1))
- goto fail;
-
- /* Get sample size for this format */
- switch (fmt) {
- case VPX_IMG_FMT_RGB32:
- case VPX_IMG_FMT_RGB32_LE:
- case VPX_IMG_FMT_ARGB:
- case VPX_IMG_FMT_ARGB_LE:
- bps = 32;
- break;
- case VPX_IMG_FMT_RGB24:
- case VPX_IMG_FMT_BGR24:
- bps = 24;
- break;
- case VPX_IMG_FMT_RGB565:
- case VPX_IMG_FMT_RGB565_LE:
- case VPX_IMG_FMT_RGB555:
- case VPX_IMG_FMT_RGB555_LE:
- case VPX_IMG_FMT_UYVY:
- case VPX_IMG_FMT_YUY2:
- case VPX_IMG_FMT_YVYU:
- bps = 16;
- break;
- case VPX_IMG_FMT_I420:
- case VPX_IMG_FMT_YV12:
- case VPX_IMG_FMT_VPXI420:
- case VPX_IMG_FMT_VPXYV12:
- bps = 12;
- break;
- case VPX_IMG_FMT_I422:
- case VPX_IMG_FMT_I440:
- bps = 16;
- break;
- case VPX_IMG_FMT_I444:
- bps = 24;
- break;
- case VPX_IMG_FMT_I42016:
- bps = 24;
- break;
- case VPX_IMG_FMT_I42216:
- case VPX_IMG_FMT_I44016:
- bps = 32;
- break;
- case VPX_IMG_FMT_I44416:
- bps = 48;
- break;
- default:
- bps = 16;
- break;
- }
-
- /* Get chroma shift values for this format */
- switch (fmt) {
- case VPX_IMG_FMT_I420:
- case VPX_IMG_FMT_YV12:
- case VPX_IMG_FMT_VPXI420:
- case VPX_IMG_FMT_VPXYV12:
- case VPX_IMG_FMT_I422:
- case VPX_IMG_FMT_I42016:
- case VPX_IMG_FMT_I42216:
- xcs = 1;
- break;
- default:
- xcs = 0;
- break;
- }
-
- switch (fmt) {
- case VPX_IMG_FMT_I420:
- case VPX_IMG_FMT_I440:
- case VPX_IMG_FMT_YV12:
- case VPX_IMG_FMT_VPXI420:
- case VPX_IMG_FMT_VPXYV12:
- case VPX_IMG_FMT_I42016:
- case VPX_IMG_FMT_I44016:
- ycs = 1;
- break;
- default:
- ycs = 0;
- break;
- }
-
- /* Calculate storage sizes given the chroma subsampling */
- align = (1 << xcs) - 1;
- w = (d_w + align) & ~align;
- align = (1 << ycs) - 1;
- h = (d_h + align) & ~align;
- s = (fmt & VPX_IMG_FMT_PLANAR) ? w : bps * w / 8;
- s = (s + stride_align - 1) & ~(stride_align - 1);
- stride_in_bytes = (fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? s * 2 : s;
-
- /* Allocate the new image */
- if (!img) {
- img = (vpx_image_t *)calloc(1, sizeof(vpx_image_t));
-
- if (!img)
- goto fail;
-
- img->self_allocd = 1;
- } else {
- memset(img, 0, sizeof(vpx_image_t));
- }
-
- img->img_data = img_data;
-
- if (!img_data) {
- const uint64_t alloc_size = (fmt & VPX_IMG_FMT_PLANAR) ?
- (uint64_t)h * s * bps / 8 : (uint64_t)h * s;
-
- if (alloc_size != (size_t)alloc_size)
- goto fail;
-
- img->img_data = (uint8_t *)vpx_memalign(buf_align, (size_t)alloc_size);
- img->img_data_owner = 1;
- }
-
- if (!img->img_data)
- goto fail;
-
- img->fmt = fmt;
- img->bit_depth = (fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 16 : 8;
- img->w = w;
- img->h = h;
- img->x_chroma_shift = xcs;
- img->y_chroma_shift = ycs;
- img->bps = bps;
-
- /* Calculate strides */
- img->stride[VPX_PLANE_Y] = img->stride[VPX_PLANE_ALPHA] = stride_in_bytes;
- img->stride[VPX_PLANE_U] = img->stride[VPX_PLANE_V] = stride_in_bytes >> xcs;
-
- /* Default viewport to entire image */
- if (!vpx_img_set_rect(img, 0, 0, d_w, d_h))
- return img;
-
-fail:
- vpx_img_free(img);
- return NULL;
-}
-
-vpx_image_t *vpx_img_alloc(vpx_image_t *img,
- vpx_img_fmt_t fmt,
- unsigned int d_w,
- unsigned int d_h,
- unsigned int align) {
- return img_alloc_helper(img, fmt, d_w, d_h, align, align, NULL);
-}
-
-vpx_image_t *vpx_img_wrap(vpx_image_t *img,
- vpx_img_fmt_t fmt,
- unsigned int d_w,
- unsigned int d_h,
- unsigned int stride_align,
- unsigned char *img_data) {
- /* By setting buf_align = 1, we don't change buffer alignment in this
- * function. */
- return img_alloc_helper(img, fmt, d_w, d_h, 1, stride_align, img_data);
-}
-
-int vpx_img_set_rect(vpx_image_t *img,
- unsigned int x,
- unsigned int y,
- unsigned int w,
- unsigned int h) {
- unsigned char *data;
-
- if (x + w <= img->w && y + h <= img->h) {
- img->d_w = w;
- img->d_h = h;
-
- /* Calculate plane pointers */
- if (!(img->fmt & VPX_IMG_FMT_PLANAR)) {
- img->planes[VPX_PLANE_PACKED] =
- img->img_data + x * img->bps / 8 + y * img->stride[VPX_PLANE_PACKED];
- } else {
- const int bytes_per_sample =
- (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1;
- data = img->img_data;
-
- if (img->fmt & VPX_IMG_FMT_HAS_ALPHA) {
- img->planes[VPX_PLANE_ALPHA] =
- data + x * bytes_per_sample + y * img->stride[VPX_PLANE_ALPHA];
- data += img->h * img->stride[VPX_PLANE_ALPHA];
- }
-
- img->planes[VPX_PLANE_Y] = data + x * bytes_per_sample +
- y * img->stride[VPX_PLANE_Y];
- data += img->h * img->stride[VPX_PLANE_Y];
-
- if (!(img->fmt & VPX_IMG_FMT_UV_FLIP)) {
- img->planes[VPX_PLANE_U] =
- data + (x >> img->x_chroma_shift) * bytes_per_sample +
- (y >> img->y_chroma_shift) * img->stride[VPX_PLANE_U];
- data += (img->h >> img->y_chroma_shift) * img->stride[VPX_PLANE_U];
- img->planes[VPX_PLANE_V] =
- data + (x >> img->x_chroma_shift) * bytes_per_sample +
- (y >> img->y_chroma_shift) * img->stride[VPX_PLANE_V];
- } else {
- img->planes[VPX_PLANE_V] =
- data + (x >> img->x_chroma_shift) * bytes_per_sample +
- (y >> img->y_chroma_shift) * img->stride[VPX_PLANE_V];
- data += (img->h >> img->y_chroma_shift) * img->stride[VPX_PLANE_V];
- img->planes[VPX_PLANE_U] =
- data + (x >> img->x_chroma_shift) * bytes_per_sample +
- (y >> img->y_chroma_shift) * img->stride[VPX_PLANE_U];
- }
- }
- return 0;
- }
- return -1;
-}
-
-void vpx_img_flip(vpx_image_t *img) {
- /* Note: In the calculation pointer adjustment calculation, we want the
- * rhs to be promoted to a signed type. Section 6.3.1.8 of the ISO C99
- * standard indicates that if the adjustment parameter is unsigned, the
- * stride parameter will be promoted to unsigned, causing errors when
- * the lhs is a larger type than the rhs.
- */
- img->planes[VPX_PLANE_Y] += (signed)(img->d_h - 1) * img->stride[VPX_PLANE_Y];
- img->stride[VPX_PLANE_Y] = -img->stride[VPX_PLANE_Y];
-
- img->planes[VPX_PLANE_U] += (signed)((img->d_h >> img->y_chroma_shift) - 1)
- * img->stride[VPX_PLANE_U];
- img->stride[VPX_PLANE_U] = -img->stride[VPX_PLANE_U];
-
- img->planes[VPX_PLANE_V] += (signed)((img->d_h >> img->y_chroma_shift) - 1)
- * img->stride[VPX_PLANE_V];
- img->stride[VPX_PLANE_V] = -img->stride[VPX_PLANE_V];
-
- img->planes[VPX_PLANE_ALPHA] += (signed)(img->d_h - 1) * img->stride[VPX_PLANE_ALPHA];
- img->stride[VPX_PLANE_ALPHA] = -img->stride[VPX_PLANE_ALPHA];
-}
-
-void vpx_img_free(vpx_image_t *img) {
- if (img) {
- if (img->img_data && img->img_data_owner)
- vpx_free(img->img_data);
-
- if (img->self_allocd)
- free(img);
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 04:43:25 +0000