mirror of
https://chromium.googlesource.com/libyuv/libyuv
synced 2025-12-07 01:06:46 +08:00
124bf08fee
1920x1080 to/from 1280x720 to ARGB on Intel Skylake Xeon RGBScaleTo1920x1080_Bilinear (2625 ms) RGBScaleFrom1920x1080_Bilinear (2115 ms) ARGBScaleTo1920x1080_Bilinear (1668 ms) ARGBScaleFrom1920x1080_Bilinear (1164 ms) Bug: b/224814071 Change-Id: Ifc7611b597409771728b13c9c39e5a7e06131021 Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/3537341 Reviewed-by: Wan-Teh Chang <wtc@google.com> Commit-Queue: Frank Barchard <fbarchard@chromium.org>
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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* Copyright 2022 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "libyuv/scale.h" /* For FilterMode */
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#include <assert.h>
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#include <string.h>
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#include "libyuv/convert_argb.h"
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#include "libyuv/convert_from_argb.h"
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#include "libyuv/row.h"
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#include "libyuv/scale_argb.h"
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#include "libyuv/scale_rgb.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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// Scale a 24 bit image.
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// Converts to ARGB as intermediate step
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LIBYUV_API
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int RGBScale(const uint8_t* src_rgb,
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int src_stride_rgb,
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int src_width,
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int src_height,
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uint8_t* dst_rgb,
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int dst_stride_rgb,
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int dst_width,
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int dst_height,
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enum FilterMode filtering) {
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int r;
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uint8_t* src_argb =
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(uint8_t*)malloc(src_width * src_height * 4 + dst_width * dst_height * 4);
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uint8_t* dst_argb = src_argb + src_width * src_height * 4;
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if (!src_argb) {
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return 1;
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}
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r = RGB24ToARGB(src_rgb, src_stride_rgb, src_argb, src_width * 4, src_width,
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src_height);
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if (!r) {
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r = ARGBScale(src_argb, src_width * 4, src_width, src_height, dst_argb,
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dst_width * 4, dst_width, dst_height, filtering);
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if (!r) {
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r = ARGBToRGB24(dst_argb, dst_width * 4, dst_rgb, dst_stride_rgb,
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dst_width, dst_height);
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}
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}
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free(src_argb);
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return r;
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}
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#ifdef __cplusplus
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} // extern "C"
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} // namespace libyuv
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#endif
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