Am Samstag, den 07.06.2014, 14:56 -0700 schrieb Steve Longerbeam:
> Add simple conversion from pixelformat to total bits-per-pixel.
[...]
> +/*
> + * Standard bpp from pixel format.
> + */
> +int ipu_bits_per_pixel(u32 pixelformat)
> +{
> + switch (pixelformat) {
> + case V4L2_PIX_FMT_YUV420:
> + case V4L2_PIX_FMT_YVU420:
> + return 12;
> + case V4L2_PIX_FMT_RGB565:
> + case V4L2_PIX_FMT_YUYV:
> + case V4L2_PIX_FMT_UYVY:
> + return 16;
> + case V4L2_PIX_FMT_BGR24:
> + case V4L2_PIX_FMT_RGB24:
> + return 24;
> + case V4L2_PIX_FMT_BGR32:
> + case V4L2_PIX_FMT_RGB32:
> + return 32;
> + default:
> + break;
> + }
> +
> + return 0;
> +}
> +EXPORT_SYMBOL_GPL(ipu_bits_per_pixel);
This isn't really IPU specific. Should we have a v4l2-wide helper for
this? Also, it seems that this is only ever used to calculate the
bytesperline, so why not return bytes per pixel directly?
regards
Philipp
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