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c3327742cc
We need a database of pixel format properties to remove hardcoded magic numbers. This commit creates a simple function to query the bytes per pixel for common RGBA formats. This should be promoted to or superseeded by a common spa namespaced version.
33 lines
731 B
C
33 lines
731 B
C
/* Spa */
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/* SPDX-FileCopyrightText: Copyright © 2023 columbarius */
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/* SPDX-License-Identifier: MIT */
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#include "pixel-formats.h"
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#include <spa/utils/defs.h>
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#include <spa/param/video/raw.h>
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struct pixel_info {
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uint32_t format;
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uint32_t bpp;
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} pixel_infos[] = {
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{ SPA_VIDEO_FORMAT_RGBA_F32, 16 },
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{ SPA_VIDEO_FORMAT_BGRA, 4 },
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{ SPA_VIDEO_FORMAT_RGBA, 4 },
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{ SPA_VIDEO_FORMAT_BGRx, 4 },
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{ SPA_VIDEO_FORMAT_RGBx, 4 },
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{ SPA_VIDEO_FORMAT_BGR, 3 },
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{ SPA_VIDEO_FORMAT_RGB, 3 },
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};
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bool get_pixel_format_info(uint32_t format, struct pixel_format_info *info)
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{
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struct pixel_info *p;
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SPA_FOR_EACH_ELEMENT(pixel_infos, p) {
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if (p->format != format)
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continue;
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info->bpp = p->bpp;
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return true;
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}
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return false;
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}
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