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-rw-r--r--src/qcam/format_converter.cpp359
1 files changed, 0 insertions, 359 deletions
diff --git a/src/qcam/format_converter.cpp b/src/qcam/format_converter.cpp
deleted file mode 100644
index 9331da0c..00000000
--- a/src/qcam/format_converter.cpp
+++ /dev/null
@@ -1,359 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2019, Google Inc.
- *
- * format_convert.cpp - qcam - Convert buffer to RGB
- */
-
-#include "format_converter.h"
-
-#include <errno.h>
-#include <utility>
-
-#include <QImage>
-
-#include <libcamera/formats.h>
-
-#include "../cam/image.h"
-
-#define RGBSHIFT 8
-#ifndef MAX
-#define MAX(a,b) ((a)>(b)?(a):(b))
-#endif
-#ifndef MIN
-#define MIN(a,b) ((a)<(b)?(a):(b))
-#endif
-#ifndef CLAMP
-#define CLAMP(a,low,high) MAX((low),MIN((high),(a)))
-#endif
-#ifndef CLIP
-#define CLIP(x) CLAMP(x,0,255)
-#endif
-
-int FormatConverter::configure(const libcamera::PixelFormat &format,
- const QSize &size, unsigned int stride)
-{
- switch (format) {
- case libcamera::formats::NV12:
- formatFamily_ = YUVSemiPlanar;
- horzSubSample_ = 2;
- vertSubSample_ = 2;
- nvSwap_ = false;
- break;
- case libcamera::formats::NV21:
- formatFamily_ = YUVSemiPlanar;
- horzSubSample_ = 2;
- vertSubSample_ = 2;
- nvSwap_ = true;
- break;
- case libcamera::formats::NV16:
- formatFamily_ = YUVSemiPlanar;
- horzSubSample_ = 2;
- vertSubSample_ = 1;
- nvSwap_ = false;
- break;
- case libcamera::formats::NV61:
- formatFamily_ = YUVSemiPlanar;
- horzSubSample_ = 2;
- vertSubSample_ = 1;
- nvSwap_ = true;
- break;
- case libcamera::formats::NV24:
- formatFamily_ = YUVSemiPlanar;
- horzSubSample_ = 1;
- vertSubSample_ = 1;
- nvSwap_ = false;
- break;
- case libcamera::formats::NV42:
- formatFamily_ = YUVSemiPlanar;
- horzSubSample_ = 1;
- vertSubSample_ = 1;
- nvSwap_ = true;
- break;
-
- case libcamera::formats::R8:
- formatFamily_ = RGB;
- r_pos_ = 0;
- g_pos_ = 0;
- b_pos_ = 0;
- bpp_ = 1;
- break;
- case libcamera::formats::RGB888:
- formatFamily_ = RGB;
- r_pos_ = 2;
- g_pos_ = 1;
- b_pos_ = 0;
- bpp_ = 3;
- break;
- case libcamera::formats::BGR888:
- formatFamily_ = RGB;
- r_pos_ = 0;
- g_pos_ = 1;
- b_pos_ = 2;
- bpp_ = 3;
- break;
- case libcamera::formats::ARGB8888:
- case libcamera::formats::XRGB8888:
- formatFamily_ = RGB;
- r_pos_ = 2;
- g_pos_ = 1;
- b_pos_ = 0;
- bpp_ = 4;
- break;
- case libcamera::formats::RGBA8888:
- case libcamera::formats::RGBX8888:
- formatFamily_ = RGB;
- r_pos_ = 3;
- g_pos_ = 2;
- b_pos_ = 1;
- bpp_ = 4;
- break;
- case libcamera::formats::ABGR8888:
- case libcamera::formats::XBGR8888:
- formatFamily_ = RGB;
- r_pos_ = 0;
- g_pos_ = 1;
- b_pos_ = 2;
- bpp_ = 4;
- break;
- case libcamera::formats::BGRA8888:
- case libcamera::formats::BGRX8888:
- formatFamily_ = RGB;
- r_pos_ = 1;
- g_pos_ = 2;
- b_pos_ = 3;
- bpp_ = 4;
- break;
-
- case libcamera::formats::VYUY:
- formatFamily_ = YUVPacked;
- y_pos_ = 1;
- cb_pos_ = 2;
- break;
- case libcamera::formats::YVYU:
- formatFamily_ = YUVPacked;
- y_pos_ = 0;
- cb_pos_ = 3;
- break;
- case libcamera::formats::UYVY:
- formatFamily_ = YUVPacked;
- y_pos_ = 1;
- cb_pos_ = 0;
- break;
- case libcamera::formats::YUYV:
- formatFamily_ = YUVPacked;
- y_pos_ = 0;
- cb_pos_ = 1;
- break;
-
- case libcamera::formats::YUV420:
- formatFamily_ = YUVPlanar;
- horzSubSample_ = 2;
- vertSubSample_ = 2;
- nvSwap_ = false;
- break;
- case libcamera::formats::YVU420:
- formatFamily_ = YUVPlanar;
- horzSubSample_ = 2;
- vertSubSample_ = 2;
- nvSwap_ = true;
- break;
- case libcamera::formats::YUV422:
- formatFamily_ = YUVPlanar;
- horzSubSample_ = 2;
- vertSubSample_ = 1;
- nvSwap_ = false;
- break;
-
- case libcamera::formats::MJPEG:
- formatFamily_ = MJPEG;
- break;
-
- default:
- return -EINVAL;
- };
-
- format_ = format;
- width_ = size.width();
- height_ = size.height();
- stride_ = stride;
-
- return 0;
-}
-
-void FormatConverter::convert(const Image *src, size_t size, QImage *dst)
-{
- switch (formatFamily_) {
- case MJPEG:
- dst->loadFromData(src->data(0).data(), size, "JPEG");
- break;
- case RGB:
- convertRGB(src, dst->bits());
- break;
- case YUVPacked:
- convertYUVPacked(src, dst->bits());
- break;
- case YUVSemiPlanar:
- convertYUVSemiPlanar(src, dst->bits());
- break;
- case YUVPlanar:
- convertYUVPlanar(src, dst->bits());
- break;
- };
-}
-
-static void yuv_to_rgb(int y, int u, int v, int *r, int *g, int *b)
-{
- int c = y - 16;
- int d = u - 128;
- int e = v - 128;
- *r = CLIP(( 298 * c + 409 * e + 128) >> RGBSHIFT);
- *g = CLIP(( 298 * c - 100 * d - 208 * e + 128) >> RGBSHIFT);
- *b = CLIP(( 298 * c + 516 * d + 128) >> RGBSHIFT);
-}
-
-void FormatConverter::convertRGB(const Image *srcImage, unsigned char *dst)
-{
- const unsigned char *src = srcImage->data(0).data();
- unsigned int x, y;
- int r, g, b;
-
- for (y = 0; y < height_; y++) {
- for (x = 0; x < width_; x++) {
- r = src[bpp_ * x + r_pos_];
- g = src[bpp_ * x + g_pos_];
- b = src[bpp_ * x + b_pos_];
-
- dst[4 * x + 0] = b;
- dst[4 * x + 1] = g;
- dst[4 * x + 2] = r;
- dst[4 * x + 3] = 0xff;
- }
-
- src += stride_;
- dst += width_ * 4;
- }
-}
-
-void FormatConverter::convertYUVPacked(const Image *srcImage, unsigned char *dst)
-{
- const unsigned char *src = srcImage->data(0).data();
- unsigned int src_x, src_y, dst_x, dst_y;
- unsigned int src_stride;
- unsigned int dst_stride;
- unsigned int cr_pos;
- int r, g, b, y, cr, cb;
-
- cr_pos = (cb_pos_ + 2) % 4;
- src_stride = stride_;
- dst_stride = width_ * 4;
-
- for (src_y = 0, dst_y = 0; dst_y < height_; src_y++, dst_y++) {
- for (src_x = 0, dst_x = 0; dst_x < width_; ) {
- cb = src[src_y * src_stride + src_x * 4 + cb_pos_];
- cr = src[src_y * src_stride + src_x * 4 + cr_pos];
-
- y = src[src_y * src_stride + src_x * 4 + y_pos_];
- yuv_to_rgb(y, cb, cr, &r, &g, &b);
- dst[dst_y * dst_stride + 4 * dst_x + 0] = b;
- dst[dst_y * dst_stride + 4 * dst_x + 1] = g;
- dst[dst_y * dst_stride + 4 * dst_x + 2] = r;
- dst[dst_y * dst_stride + 4 * dst_x + 3] = 0xff;
- dst_x++;
-
- y = src[src_y * src_stride + src_x * 4 + y_pos_ + 2];
- yuv_to_rgb(y, cb, cr, &r, &g, &b);
- dst[dst_y * dst_stride + 4 * dst_x + 0] = b;
- dst[dst_y * dst_stride + 4 * dst_x + 1] = g;
- dst[dst_y * dst_stride + 4 * dst_x + 2] = r;
- dst[dst_y * dst_stride + 4 * dst_x + 3] = 0xff;
- dst_x++;
-
- src_x++;
- }
- }
-}
-
-void FormatConverter::convertYUVPlanar(const Image *srcImage, unsigned char *dst)
-{
- unsigned int c_stride = stride_ / horzSubSample_;
- unsigned int c_inc = horzSubSample_ == 1 ? 1 : 0;
- const unsigned char *src_y = srcImage->data(0).data();
- const unsigned char *src_cb = srcImage->data(1).data();
- const unsigned char *src_cr = srcImage->data(2).data();
- int r, g, b;
-
- if (nvSwap_)
- std::swap(src_cb, src_cr);
-
- for (unsigned int y = 0; y < height_; y++) {
- const unsigned char *line_y = src_y + y * stride_;
- const unsigned char *line_cb = src_cb + (y / vertSubSample_) *
- c_stride;
- const unsigned char *line_cr = src_cr + (y / vertSubSample_) *
- c_stride;
-
- for (unsigned int x = 0; x < width_; x += 2) {
- yuv_to_rgb(*line_y, *line_cb, *line_cr, &r, &g, &b);
- dst[0] = b;
- dst[1] = g;
- dst[2] = r;
- dst[3] = 0xff;
- line_y++;
- line_cb += c_inc;
- line_cr += c_inc;
- dst += 4;
-
- yuv_to_rgb(*line_y, *line_cb, *line_cr, &r, &g, &b);
- dst[0] = b;
- dst[1] = g;
- dst[2] = r;
- dst[3] = 0xff;
- line_y++;
- line_cb += 1;
- line_cr += 1;
- dst += 4;
- }
- }
-}
-
-void FormatConverter::convertYUVSemiPlanar(const Image *srcImage, unsigned char *dst)
-{
- unsigned int c_stride = stride_ * (2 / horzSubSample_);
- unsigned int c_inc = horzSubSample_ == 1 ? 2 : 0;
- unsigned int cb_pos = nvSwap_ ? 1 : 0;
- unsigned int cr_pos = nvSwap_ ? 0 : 1;
- const unsigned char *src = srcImage->data(0).data();
- const unsigned char *src_c = srcImage->data(1).data();
- int r, g, b;
-
- for (unsigned int y = 0; y < height_; y++) {
- const unsigned char *src_y = src + y * stride_;
- const unsigned char *src_cb = src_c + (y / vertSubSample_) *
- c_stride + cb_pos;
- const unsigned char *src_cr = src_c + (y / vertSubSample_) *
- c_stride + cr_pos;
-
- for (unsigned int x = 0; x < width_; x += 2) {
- yuv_to_rgb(*src_y, *src_cb, *src_cr, &r, &g, &b);
- dst[0] = b;
- dst[1] = g;
- dst[2] = r;
- dst[3] = 0xff;
- src_y++;
- src_cb += c_inc;
- src_cr += c_inc;
- dst += 4;
-
- yuv_to_rgb(*src_y, *src_cb, *src_cr, &r, &g, &b);
- dst[0] = b;
- dst[1] = g;
- dst[2] = r;
- dst[3] = 0xff;
- src_y++;
- src_cb += 2;
- src_cr += 2;
- dst += 4;
- }
- }
-}
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