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ConvertToARGB: compute buffer offsets in ptrdiff_t
Also validate crop_x, crop_y, crop_width, crop_height and make sure the crop region stays inside the source rectangle. Change-Id: I68748e14b21307b262d8b283147bce5ace8108d2 Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/7904591 Reviewed-by: Frank Barchard <fbarchard@google.com> Commit-Queue: Wan-Teh Chang <wtc@google.com>
This commit is contained in:
Wan-Teh Chang
libyuv-scoped@luci-project-accounts.iam.gserviceaccount.com
parent
ccd415101d
commit
95eedb9687
@ -11,6 +11,7 @@
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#include "libyuv/convert_argb.h"
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#include <limits.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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@ -50,10 +51,19 @@ int ConvertToARGB(const uint8_t* sample,
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int crop_height,
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enum RotationMode rotation,
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uint32_t fourcc) {
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if (src_height == INT_MIN || crop_height == INT_MIN) {
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return -1;
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}
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int abs_src_height = (src_height < 0) ? -src_height : src_height;
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int abs_crop_height = (crop_height < 0) ? -crop_height : crop_height;
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if (dst_argb == NULL || sample == NULL || src_width <= 0 ||
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src_width > INT_MAX / 4 || crop_width <= 0 || crop_width > INT_MAX / 4 ||
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src_height == 0 || src_height == INT_MIN || crop_height == 0 ||
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crop_height == INT_MIN) {
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src_height == 0 || crop_height == 0 || crop_x < 0 || crop_y < 0 ||
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crop_width > src_width || crop_x > src_width - crop_width ||
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abs_crop_height > abs_src_height ||
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crop_y > abs_src_height - abs_crop_height) {
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return -1;
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}
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@ -61,8 +71,6 @@ int ConvertToARGB(const uint8_t* sample,
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int aligned_src_width = (src_width + 1) & ~1;
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const uint8_t* src;
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const uint8_t* src_uv;
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int abs_src_height = (src_height < 0) ? -src_height : src_height;
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int inv_crop_height = (crop_height < 0) ? -crop_height : crop_height;
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int r = 0;
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// One pass rotation is available for some formats. For the rest, convert
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@ -75,7 +83,7 @@ int ConvertToARGB(const uint8_t* sample,
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uint8_t* dest_argb = dst_argb;
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int dest_dst_stride_argb = dst_stride_argb;
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uint8_t* rotate_buffer = NULL;
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int abs_crop_height = (crop_height < 0) ? -crop_height : crop_height;
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int inv_crop_height = (crop_height < 0) ? -crop_height : crop_height;
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if (src_height < 0) {
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inv_crop_height = -inv_crop_height;
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@ -98,95 +106,97 @@ int ConvertToARGB(const uint8_t* sample,
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switch (format) {
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// Single plane formats
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case FOURCC_YUY2:
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src = sample + (aligned_src_width * crop_y + crop_x) * 2;
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src = sample + ((ptrdiff_t)aligned_src_width * crop_y + crop_x) * 2;
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r = YUY2ToARGB(src, aligned_src_width * 2, dst_argb, dst_stride_argb,
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crop_width, inv_crop_height);
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break;
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case FOURCC_UYVY:
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src = sample + (aligned_src_width * crop_y + crop_x) * 2;
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src = sample + ((ptrdiff_t)aligned_src_width * crop_y + crop_x) * 2;
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r = UYVYToARGB(src, aligned_src_width * 2, dst_argb, dst_stride_argb,
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crop_width, inv_crop_height);
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break;
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case FOURCC_24BG:
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src = sample + (src_width * crop_y + crop_x) * 3;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 3;
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r = RGB24ToARGB(src, src_width * 3, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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case FOURCC_RAW:
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src = sample + (src_width * crop_y + crop_x) * 3;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 3;
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r = RAWToARGB(src, src_width * 3, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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case FOURCC_ARGB:
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if (!need_buf && !rotation) {
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src = sample + (src_width * crop_y + crop_x) * 4;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 4;
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r = ARGBToARGB(src, src_width * 4, dst_argb, dst_stride_argb,
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crop_width, inv_crop_height);
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}
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break;
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case FOURCC_BGRA:
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src = sample + (src_width * crop_y + crop_x) * 4;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 4;
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r = BGRAToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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case FOURCC_ABGR:
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src = sample + (src_width * crop_y + crop_x) * 4;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 4;
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r = ABGRToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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case FOURCC_RGBA:
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src = sample + (src_width * crop_y + crop_x) * 4;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 4;
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r = RGBAToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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case FOURCC_AR30:
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src = sample + (src_width * crop_y + crop_x) * 4;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 4;
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r = AR30ToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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case FOURCC_AB30:
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src = sample + (src_width * crop_y + crop_x) * 4;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 4;
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r = AB30ToARGB(src, src_width * 4, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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case FOURCC_RGBP:
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src = sample + (src_width * crop_y + crop_x) * 2;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 2;
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r = RGB565ToARGB(src, src_width * 2, dst_argb, dst_stride_argb,
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crop_width, inv_crop_height);
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break;
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case FOURCC_RGBO:
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src = sample + (src_width * crop_y + crop_x) * 2;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 2;
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r = ARGB1555ToARGB(src, src_width * 2, dst_argb, dst_stride_argb,
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crop_width, inv_crop_height);
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break;
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case FOURCC_R444:
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src = sample + (src_width * crop_y + crop_x) * 2;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 2;
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r = ARGB4444ToARGB(src, src_width * 2, dst_argb, dst_stride_argb,
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crop_width, inv_crop_height);
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break;
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case FOURCC_I400:
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src = sample + src_width * crop_y + crop_x;
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src = sample + (ptrdiff_t)src_width * crop_y + crop_x;
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r = I400ToARGB(src, src_width, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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case FOURCC_J400:
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src = sample + src_width * crop_y + crop_x;
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src = sample + (ptrdiff_t)src_width * crop_y + crop_x;
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r = J400ToARGB(src, src_width, dst_argb, dst_stride_argb, crop_width,
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inv_crop_height);
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break;
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// Biplanar formats
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case FOURCC_NV12:
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src = sample + (src_width * crop_y + crop_x);
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src_uv =
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sample + aligned_src_width * (abs_src_height + crop_y / 2) + crop_x;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x);
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src_uv = sample +
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aligned_src_width * ((ptrdiff_t)abs_src_height + crop_y / 2) +
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crop_x;
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r = NV12ToARGB(src, src_width, src_uv, aligned_src_width, dst_argb,
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dst_stride_argb, crop_width, inv_crop_height);
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break;
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case FOURCC_NV21:
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src = sample + (src_width * crop_y + crop_x);
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src_uv =
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sample + aligned_src_width * (abs_src_height + crop_y / 2) + crop_x;
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src = sample + ((ptrdiff_t)src_width * crop_y + crop_x);
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src_uv = sample +
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aligned_src_width * ((ptrdiff_t)abs_src_height + crop_y / 2) +
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crop_x;
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// Call NV12 but with u and v parameters swapped.
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r = NV21ToARGB(src, src_width, src_uv, aligned_src_width, dst_argb,
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dst_stride_argb, crop_width, inv_crop_height);
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@ -194,21 +204,21 @@ int ConvertToARGB(const uint8_t* sample,
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// Triplanar formats
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case FOURCC_I420:
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case FOURCC_YV12: {
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const uint8_t* src_y = sample + (src_width * crop_y + crop_x);
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const uint8_t* src_y = sample + ((ptrdiff_t)src_width * crop_y + crop_x);
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const uint8_t* src_u;
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const uint8_t* src_v;
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int halfwidth = (src_width + 1) / 2;
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int halfheight = (abs_src_height + 1) / 2;
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if (format == FOURCC_YV12) {
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src_v = sample + src_width * abs_src_height +
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(halfwidth * crop_y + crop_x) / 2;
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src_u = sample + src_width * abs_src_height +
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halfwidth * (halfheight + crop_y / 2) + crop_x / 2;
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src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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((ptrdiff_t)halfwidth * crop_y + crop_x) / 2;
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src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)halfheight + crop_y / 2) + crop_x / 2;
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} else {
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src_u = sample + src_width * abs_src_height +
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(halfwidth * crop_y + crop_x) / 2;
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src_v = sample + src_width * abs_src_height +
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halfwidth * (halfheight + crop_y / 2) + crop_x / 2;
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src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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((ptrdiff_t)halfwidth * crop_y + crop_x) / 2;
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src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)halfheight + crop_y / 2) + crop_x / 2;
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}
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r = I420ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth,
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dst_argb, dst_stride_argb, crop_width, inv_crop_height);
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@ -218,11 +228,12 @@ int ConvertToARGB(const uint8_t* sample,
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case FOURCC_J420: {
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int halfwidth = (src_width + 1) / 2;
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int halfheight = (abs_src_height + 1) / 2;
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const uint8_t* src_y = sample + (src_width * crop_y + crop_x);
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const uint8_t* src_u = sample + src_width * abs_src_height +
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(halfwidth * crop_y + crop_x) / 2;
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const uint8_t* src_v = sample + src_width * abs_src_height +
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halfwidth * (halfheight + crop_y / 2) + crop_x / 2;
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const uint8_t* src_y = sample + ((ptrdiff_t)src_width * crop_y + crop_x);
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const uint8_t* src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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((ptrdiff_t)halfwidth * crop_y + crop_x) / 2;
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const uint8_t* src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)halfheight + crop_y / 2) +
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crop_x / 2;
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r = J420ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth,
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dst_argb, dst_stride_argb, crop_width, inv_crop_height);
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break;
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@ -231,11 +242,12 @@ int ConvertToARGB(const uint8_t* sample,
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case FOURCC_H420: {
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int halfwidth = (src_width + 1) / 2;
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int halfheight = (abs_src_height + 1) / 2;
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const uint8_t* src_y = sample + (src_width * crop_y + crop_x);
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const uint8_t* src_u = sample + src_width * abs_src_height +
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(halfwidth * crop_y + crop_x) / 2;
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const uint8_t* src_v = sample + src_width * abs_src_height +
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halfwidth * (halfheight + crop_y / 2) + crop_x / 2;
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const uint8_t* src_y = sample + ((ptrdiff_t)src_width * crop_y + crop_x);
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const uint8_t* src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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((ptrdiff_t)halfwidth * crop_y + crop_x) / 2;
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const uint8_t* src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)halfheight + crop_y / 2) +
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crop_x / 2;
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r = H420ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth,
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dst_argb, dst_stride_argb, crop_width, inv_crop_height);
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break;
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@ -244,11 +256,12 @@ int ConvertToARGB(const uint8_t* sample,
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case FOURCC_U420: {
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int halfwidth = (src_width + 1) / 2;
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int halfheight = (abs_src_height + 1) / 2;
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const uint8_t* src_y = sample + (src_width * crop_y + crop_x);
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const uint8_t* src_u = sample + src_width * abs_src_height +
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(halfwidth * crop_y + crop_x) / 2;
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const uint8_t* src_v = sample + src_width * abs_src_height +
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halfwidth * (halfheight + crop_y / 2) + crop_x / 2;
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const uint8_t* src_y = sample + ((ptrdiff_t)src_width * crop_y + crop_x);
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const uint8_t* src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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((ptrdiff_t)halfwidth * crop_y + crop_x) / 2;
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const uint8_t* src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)halfheight + crop_y / 2) +
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crop_x / 2;
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r = U420ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth,
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dst_argb, dst_stride_argb, crop_width, inv_crop_height);
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break;
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@ -257,19 +270,19 @@ int ConvertToARGB(const uint8_t* sample,
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case FOURCC_I422:
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case FOURCC_YV16: {
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int halfwidth = (src_width + 1) / 2;
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const uint8_t* src_y = sample + src_width * crop_y + crop_x;
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const uint8_t* src_y = sample + (ptrdiff_t)src_width * crop_y + crop_x;
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const uint8_t* src_u;
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const uint8_t* src_v;
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if (format == FOURCC_YV16) {
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src_v = sample + src_width * abs_src_height + halfwidth * crop_y +
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crop_x / 2;
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src_u = sample + src_width * abs_src_height +
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halfwidth * (abs_src_height + crop_y) + crop_x / 2;
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src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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(ptrdiff_t)halfwidth * crop_y + crop_x / 2;
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src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)abs_src_height + crop_y) + crop_x / 2;
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} else {
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src_u = sample + src_width * abs_src_height + halfwidth * crop_y +
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crop_x / 2;
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src_v = sample + src_width * abs_src_height +
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halfwidth * (abs_src_height + crop_y) + crop_x / 2;
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src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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(ptrdiff_t)halfwidth * crop_y + crop_x / 2;
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src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)abs_src_height + crop_y) + crop_x / 2;
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}
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r = I422ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth,
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dst_argb, dst_stride_argb, crop_width, inv_crop_height);
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@ -278,11 +291,12 @@ int ConvertToARGB(const uint8_t* sample,
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case FOURCC_J422: {
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int halfwidth = (src_width + 1) / 2;
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const uint8_t* src_y = sample + src_width * crop_y + crop_x;
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const uint8_t* src_u =
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sample + src_width * abs_src_height + halfwidth * crop_y + crop_x / 2;
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const uint8_t* src_v = sample + src_width * abs_src_height +
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halfwidth * (abs_src_height + crop_y) + crop_x / 2;
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const uint8_t* src_y = sample + (ptrdiff_t)src_width * crop_y + crop_x;
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const uint8_t* src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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(ptrdiff_t)halfwidth * crop_y + crop_x / 2;
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const uint8_t* src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)abs_src_height + crop_y) +
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crop_x / 2;
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r = J422ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth,
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dst_argb, dst_stride_argb, crop_width, inv_crop_height);
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break;
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@ -290,11 +304,12 @@ int ConvertToARGB(const uint8_t* sample,
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case FOURCC_H422: {
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int halfwidth = (src_width + 1) / 2;
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const uint8_t* src_y = sample + src_width * crop_y + crop_x;
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const uint8_t* src_u =
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sample + src_width * abs_src_height + halfwidth * crop_y + crop_x / 2;
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const uint8_t* src_v = sample + src_width * abs_src_height +
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halfwidth * (abs_src_height + crop_y) + crop_x / 2;
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const uint8_t* src_y = sample + (ptrdiff_t)src_width * crop_y + crop_x;
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const uint8_t* src_u = sample + (ptrdiff_t)src_width * abs_src_height +
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(ptrdiff_t)halfwidth * crop_y + crop_x / 2;
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const uint8_t* src_v = sample + (ptrdiff_t)src_width * abs_src_height +
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halfwidth * ((ptrdiff_t)abs_src_height + crop_y) +
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crop_x / 2;
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r = H422ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth,
|
||||
dst_argb, dst_stride_argb, crop_width, inv_crop_height);
|
||||
break;
|
||||
@ -302,11 +317,12 @@ int ConvertToARGB(const uint8_t* sample,
|
||||
|
||||
case FOURCC_U422: {
|
||||
int halfwidth = (src_width + 1) / 2;
|
||||
const uint8_t* src_y = sample + src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u =
|
||||
sample + src_width * abs_src_height + halfwidth * crop_y + crop_x / 2;
|
||||
const uint8_t* src_v = sample + src_width * abs_src_height +
|
||||
halfwidth * (abs_src_height + crop_y) + crop_x / 2;
|
||||
const uint8_t* src_y = sample + (ptrdiff_t)src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u = sample + (ptrdiff_t)src_width * abs_src_height +
|
||||
(ptrdiff_t)halfwidth * crop_y + crop_x / 2;
|
||||
const uint8_t* src_v = sample + (ptrdiff_t)src_width * abs_src_height +
|
||||
halfwidth * ((ptrdiff_t)abs_src_height + crop_y) +
|
||||
crop_x / 2;
|
||||
r = H422ToARGB(src_y, src_width, src_u, halfwidth, src_v, halfwidth,
|
||||
dst_argb, dst_stride_argb, crop_width, inv_crop_height);
|
||||
break;
|
||||
@ -314,15 +330,19 @@ int ConvertToARGB(const uint8_t* sample,
|
||||
|
||||
case FOURCC_I444:
|
||||
case FOURCC_YV24: {
|
||||
const uint8_t* src_y = sample + src_width * crop_y + crop_x;
|
||||
const uint8_t* src_y = sample + (ptrdiff_t)src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u;
|
||||
const uint8_t* src_v;
|
||||
if (format == FOURCC_YV24) {
|
||||
src_v = sample + src_width * (abs_src_height + crop_y) + crop_x;
|
||||
src_u = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x;
|
||||
src_v =
|
||||
sample + src_width * ((ptrdiff_t)abs_src_height + crop_y) + crop_x;
|
||||
src_u = sample + src_width * ((ptrdiff_t)abs_src_height * 2 + crop_y) +
|
||||
crop_x;
|
||||
} else {
|
||||
src_u = sample + src_width * (abs_src_height + crop_y) + crop_x;
|
||||
src_v = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x;
|
||||
src_u =
|
||||
sample + src_width * ((ptrdiff_t)abs_src_height + crop_y) + crop_x;
|
||||
src_v = sample + src_width * ((ptrdiff_t)abs_src_height * 2 + crop_y) +
|
||||
crop_x;
|
||||
}
|
||||
r = I444ToARGB(src_y, src_width, src_u, src_width, src_v, src_width,
|
||||
dst_argb, dst_stride_argb, crop_width, inv_crop_height);
|
||||
@ -330,33 +350,36 @@ int ConvertToARGB(const uint8_t* sample,
|
||||
}
|
||||
|
||||
case FOURCC_J444: {
|
||||
const uint8_t* src_y = sample + src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u;
|
||||
const uint8_t* src_v;
|
||||
src_u = sample + src_width * (abs_src_height + crop_y) + crop_x;
|
||||
src_v = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x;
|
||||
const uint8_t* src_y = sample + (ptrdiff_t)src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u =
|
||||
sample + src_width * ((ptrdiff_t)abs_src_height + crop_y) + crop_x;
|
||||
const uint8_t* src_v =
|
||||
sample + src_width * ((ptrdiff_t)abs_src_height * 2 + crop_y) +
|
||||
crop_x;
|
||||
r = J444ToARGB(src_y, src_width, src_u, src_width, src_v, src_width,
|
||||
dst_argb, dst_stride_argb, crop_width, inv_crop_height);
|
||||
break;
|
||||
}
|
||||
|
||||
case FOURCC_H444: {
|
||||
const uint8_t* src_y = sample + src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u;
|
||||
const uint8_t* src_v;
|
||||
src_u = sample + src_width * (abs_src_height + crop_y) + crop_x;
|
||||
src_v = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x;
|
||||
const uint8_t* src_y = sample + (ptrdiff_t)src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u =
|
||||
sample + src_width * ((ptrdiff_t)abs_src_height + crop_y) + crop_x;
|
||||
const uint8_t* src_v =
|
||||
sample + src_width * ((ptrdiff_t)abs_src_height * 2 + crop_y) +
|
||||
crop_x;
|
||||
r = H444ToARGB(src_y, src_width, src_u, src_width, src_v, src_width,
|
||||
dst_argb, dst_stride_argb, crop_width, inv_crop_height);
|
||||
break;
|
||||
}
|
||||
|
||||
case FOURCC_U444: {
|
||||
const uint8_t* src_y = sample + src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u;
|
||||
const uint8_t* src_v;
|
||||
src_u = sample + src_width * (abs_src_height + crop_y) + crop_x;
|
||||
src_v = sample + src_width * (abs_src_height * 2 + crop_y) + crop_x;
|
||||
const uint8_t* src_y = sample + (ptrdiff_t)src_width * crop_y + crop_x;
|
||||
const uint8_t* src_u =
|
||||
sample + src_width * ((ptrdiff_t)abs_src_height + crop_y) + crop_x;
|
||||
const uint8_t* src_v =
|
||||
sample + src_width * ((ptrdiff_t)abs_src_height * 2 + crop_y) +
|
||||
crop_x;
|
||||
r = U444ToARGB(src_y, src_width, src_u, src_width, src_v, src_width,
|
||||
dst_argb, dst_stride_argb, crop_width, inv_crop_height);
|
||||
break;
|
||||
@ -379,7 +402,7 @@ int ConvertToARGB(const uint8_t* sample,
|
||||
}
|
||||
free(rotate_buffer);
|
||||
} else if (rotation) {
|
||||
src = sample + (src_width * crop_y + crop_x) * 4;
|
||||
src = sample + ((ptrdiff_t)src_width * crop_y + crop_x) * 4;
|
||||
r = ARGBRotate(src, src_width * 4, dst_argb, dst_stride_argb, crop_width,
|
||||
inv_crop_height, rotation);
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user