[PATCH 3/3] apps: common: dng_writer: Support RAW10 and RAW12 format

[Stefan Klug]

On Thu, Jun 27, 2024 at 02:13:08PM +0100, Kieran Bingham wrote:
> Quoting Stefan Klug (2024-06-27 13:51:11)
> > Add support for RAW10 and RAW12 to the dng_writer. This is needed on
> > imx8mp to produce tuning images.  Both formats were tested on a debix
> > som with a imx335.
> > 
> > Signed-off-by: Stefan Klug <stefan.klug at ideasonboard.com>
> > ---
> >  src/apps/common/dng_writer.cpp | 76 ++++++++++++++++++++++++++++++++++
> >  1 file changed, 76 insertions(+)
> > 
> > diff --git a/src/apps/common/dng_writer.cpp b/src/apps/common/dng_writer.cpp
> > index 2cb320ff327b..162c41a84011 100644
> > --- a/src/apps/common/dng_writer.cpp
> > +++ b/src/apps/common/dng_writer.cpp
> > @@ -136,6 +136,34 @@ void packScanlineRaw8(void *output, const void *input, unsigned int width)
> >         std::copy(in, in + width, out);
> >  }
> >  
> > +void packScanlineRaw10(void *output, const void *input, unsigned int width)
> > +{
> > +       const uint16_t *in = static_cast<const uint16_t *>(input);
> > +       uint8_t *out = static_cast<uint8_t *>(output);
> > +
> > +       for (unsigned int i = 0; i < width; i += 4) {
> > +               *out++ = (in[0] & 0x3fc) >> 2;
> > +               *out++ = (in[0] & 0x003) << 6 | (in[1] & 0x3f0) >> 4;
> > +               *out++ = (in[1] & 0x00f) << 4 | (in[2] & 0x3c0) >> 6;
> > +               *out++ = (in[2] & 0x03f) << 2 | (in[3] & 0x300) >> 8;
> > +               *out++ = (in[3] & 0x0ff);
> > +               in += 4;
> > +       }
> > +}
> > +
> > +void packScanlineRaw12(void *output, const void *input, unsigned int width)
> > +{
> > +       const uint16_t *in = static_cast<const uint16_t *>(input);
> > +       uint8_t *out = static_cast<uint8_t *>(output);
> > +
> > +       for (unsigned int i = 0; i < width; i += 2) {
> > +               *out++ = (in[0] & 0xff0) >> 4;
> > +               *out++ = (in[0] & 0x00f) << 4 | (in[1] & 0xf00) >> 8;
> > +               *out++ = (in[1] & 0x0ff);
> > +               in += 2;
> > +       }
> > +}
> > +
> >  void packScanlineRaw16(void *output, const void *input, unsigned int width)
> >  {
> >         const uint16_t *in = static_cast<const uint16_t *>(input);
> > @@ -341,6 +369,54 @@ const std::map<PixelFormat, FormatInfo> formatInfo = {
> >                 .packScanline = packScanlineRaw8,
> >                 .thumbScanline = thumbScanlineRawXX_CSI2P,
> >         } },
> > +       { formats::SBGGR10, {
> > +               .bitsPerSample = 10,
> > +               .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue },
> 
> 	Blue, Green, Green, Red ?

Ouch, you are so right.

Will fix.

Cheers,
Stefan

> 
> > +               .packScanline = packScanlineRaw10,
> > +               .thumbScanline = thumbScanlineRawXX,
> > +       } },
> > +       { formats::SGBRG10, {
> > +               .bitsPerSample = 10,
> > +               .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue },
> 
> 	Green, Blue, Red, Green ?
> 
> Same for the others ... ?
> 
> > +               .packScanline = packScanlineRaw10,
> > +               .thumbScanline = thumbScanlineRawXX,
> > +       } },
> > +       { formats::SGRBG10, {
> > +               .bitsPerSample = 10,
> > +               .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue },
> > +               .packScanline = packScanlineRaw10,
> > +               .thumbScanline = thumbScanlineRawXX,
> > +       } },
> > +       { formats::SRGGB10, {
> > +               .bitsPerSample = 10,
> > +               .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue },
> > +               .packScanline = packScanlineRaw10,
> > +               .thumbScanline = thumbScanlineRawXX,
> > +       } },
> > +       { formats::SBGGR12, {
> > +               .bitsPerSample = 12,
> > +               .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue },
> > +               .packScanline = packScanlineSBGGR12,
> > +               .thumbScanline = thumbScanlineRawXX,
> > +       } },
> > +       { formats::SGBRG12, {
> > +               .bitsPerSample = 12,
> > +               .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue },
> > +               .packScanline = packScanlineSBGGR12,
> > +               .thumbScanline = thumbScanlineRawXX,
> > +       } },
> > +       { formats::SGRBG12, {
> > +               .bitsPerSample = 12,
> > +               .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue },
> > +               .packScanline = packScanlineSBGGR12,
> > +               .thumbScanline = thumbScanlineRawXX,
> > +       } },
> > +       { formats::SRGGB12, {
> > +               .bitsPerSample = 12,
> > +               .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue },
> > +               .packScanline = packScanlineSBGGR12,
> > +               .thumbScanline = thumbScanlineRawXX,
> > +       } },
> >         { formats::SBGGR16, {
> >                 .bitsPerSample = 16,
> >                 .pattern = { CFAPatternBlue, CFAPatternGreen, CFAPatternGreen, CFAPatternRed },
> > -- 
> > 2.43.0
> >