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Diffstat (limited to 'vpx/src/vpx_image.c')
-rw-r--r--vpx/src/vpx_image.c140
1 files changed, 47 insertions, 93 deletions
diff --git a/vpx/src/vpx_image.c b/vpx/src/vpx_image.c
index 9aae12c79..dba439c10 100644
--- a/vpx/src/vpx_image.c
+++ b/vpx/src/vpx_image.c
@@ -15,10 +15,8 @@
#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,
+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) {
@@ -27,68 +25,44 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img,
int align;
/* Treat align==0 like align==1 */
- if (!buf_align)
- buf_align = 1;
+ if (!buf_align) buf_align = 1;
/* Validate alignment (must be power of 2) */
- if (buf_align & (buf_align - 1))
- goto fail;
+ if (buf_align & (buf_align - 1)) goto fail;
/* Treat align==0 like align==1 */
- if (!stride_align)
- stride_align = 1;
+ if (!stride_align) stride_align = 1;
/* Validate alignment (must be power of 2) */
- if (stride_align & (stride_align - 1))
- goto fail;
+ 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_ARGB_LE: bps = 32; break;
case VPX_IMG_FMT_RGB24:
- case VPX_IMG_FMT_BGR24:
- bps = 24;
- break;
+ 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_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_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_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;
+ 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 */
@@ -99,12 +73,8 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img,
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;
+ case VPX_IMG_FMT_I42216: xcs = 1; break;
+ default: xcs = 0; break;
}
switch (fmt) {
@@ -114,12 +84,8 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img,
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;
+ case VPX_IMG_FMT_I44016: ycs = 1; break;
+ default: ycs = 0; break;
}
/* Calculate storage sizes given the chroma subsampling */
@@ -135,8 +101,7 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img,
if (!img) {
img = (vpx_image_t *)calloc(1, sizeof(vpx_image_t));
- if (!img)
- goto fail;
+ if (!img) goto fail;
img->self_allocd = 1;
} else {
@@ -146,18 +111,17 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img,
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;
+ 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;
+ 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;
+ if (!img->img_data) goto fail;
img->fmt = fmt;
img->bit_depth = (fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 16 : 8;
@@ -172,39 +136,30 @@ static vpx_image_t *img_alloc_helper(vpx_image_t *img,
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;
+ 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) {
+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) {
+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;
+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;
@@ -213,7 +168,7 @@ int vpx_img_set_rect(vpx_image_t *img,
/* 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];
+ 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;
@@ -225,8 +180,8 @@ int vpx_img_set_rect(vpx_image_t *img,
data += img->h * img->stride[VPX_PLANE_ALPHA];
}
- img->planes[VPX_PLANE_Y] = data + x * bytes_per_sample +
- y * img->stride[VPX_PLANE_Y];
+ 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)) {
@@ -262,24 +217,23 @@ void vpx_img_flip(vpx_image_t *img) {
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->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->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->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->img_data && img->img_data_owner) vpx_free(img->img_data);
- if (img->self_allocd)
- free(img);
+ if (img->self_allocd) free(img);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-09 21:29:17 +0000