esp-idf/components/hal/color_hal.c

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/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdbool.h>
#include "hal/color_hal.h"
#include "hal/assert.h"
uint32_t color_hal_pixel_format_get_bit_depth(color_space_pixel_format_t format)
{
switch (format.color_type_id) {
case COLOR_TYPE_ID(COLOR_SPACE_GRAY, COLOR_PIXEL_GRAY4):
case COLOR_TYPE_ID(COLOR_SPACE_ALPHA, COLOR_PIXEL_A4):
case COLOR_TYPE_ID(COLOR_SPACE_CLUT, COLOR_PIXEL_L4):
return 4;
case COLOR_TYPE_ID(COLOR_SPACE_RAW, COLOR_PIXEL_RAW8):
case COLOR_TYPE_ID(COLOR_SPACE_GRAY, COLOR_PIXEL_GRAY8):
case COLOR_TYPE_ID(COLOR_SPACE_ALPHA, COLOR_PIXEL_A8):
case COLOR_TYPE_ID(COLOR_SPACE_CLUT, COLOR_PIXEL_L8):
return 8;
case COLOR_TYPE_ID(COLOR_SPACE_RAW, COLOR_PIXEL_RAW10):
return 10;
case COLOR_TYPE_ID(COLOR_SPACE_RAW, COLOR_PIXEL_RAW12):
case COLOR_TYPE_ID(COLOR_SPACE_YUV, COLOR_PIXEL_YUV420):
case COLOR_TYPE_ID(COLOR_SPACE_YUV, COLOR_PIXEL_YUV411):
return 12;
case COLOR_TYPE_ID(COLOR_SPACE_RGB, COLOR_PIXEL_RGB565):
case COLOR_TYPE_ID(COLOR_SPACE_YUV, COLOR_PIXEL_YUV422):
return 16;
case COLOR_TYPE_ID(COLOR_SPACE_RGB, COLOR_PIXEL_RGB888):
case COLOR_TYPE_ID(COLOR_SPACE_YUV, COLOR_PIXEL_YUV444):
return 24;
case COLOR_TYPE_ID(COLOR_SPACE_ARGB, COLOR_PIXEL_ARGB8888):
return 32;
default:
// Unknown color space pixel format, unknown bit depth
HAL_ASSERT(false);
return 0;
}
}