diff options
Diffstat (limited to 'src/apps/common/dng_writer.cpp')
-rw-r--r-- | src/apps/common/dng_writer.cpp | 223 |
1 files changed, 189 insertions, 34 deletions
diff --git a/src/apps/common/dng_writer.cpp b/src/apps/common/dng_writer.cpp index 59f1fa23..ac461951 100644 --- a/src/apps/common/dng_writer.cpp +++ b/src/apps/common/dng_writer.cpp @@ -8,8 +8,10 @@ #include "dng_writer.h" #include <algorithm> +#include <endian.h> #include <iostream> #include <map> +#include <vector> #include <tiffio.h> @@ -126,7 +128,9 @@ struct Matrix3d { float m[9]; }; -void packScanlineSBGGR8(void *output, const void *input, unsigned int width) +namespace { + +void packScanlineRaw8(void *output, const void *input, unsigned int width) { const uint8_t *in = static_cast<const uint8_t *>(input); uint8_t *out = static_cast<uint8_t *>(output); @@ -134,7 +138,67 @@ void packScanlineSBGGR8(void *output, const void *input, unsigned int width) std::copy(in, in + width, out); } -void packScanlineSBGGR10P(void *output, const void *input, unsigned int width) +void packScanlineRaw10(void *output, const void *input, unsigned int width) +{ + const uint8_t *in = static_cast<const uint8_t *>(input); + uint8_t *out = static_cast<uint8_t *>(output); + + for (unsigned int i = 0; i < width; i += 4) { + *out++ = in[1] << 6 | in[0] >> 2; + *out++ = in[0] << 6 | (in[3] & 0x03) << 4 | in[2] >> 4; + *out++ = in[2] << 4 | (in[5] & 0x03) << 2 | in[4] >> 6; + *out++ = in[4] << 2 | (in[7] & 0x03) << 0; + *out++ = in[6]; + in += 8; + } +} + +void packScanlineRaw12(void *output, const void *input, unsigned int width) +{ + const uint8_t *in = static_cast<const uint8_t *>(input); + uint8_t *out = static_cast<uint8_t *>(output); + + for (unsigned int i = 0; i < width; i += 2) { + *out++ = in[1] << 4 | in[0] >> 4; + *out++ = in[0] << 4 | (in[3] & 0x0f); + *out++ = in[2]; + in += 4; + } +} + +void packScanlineRaw16(void *output, const void *input, unsigned int width) +{ + const uint16_t *in = static_cast<const uint16_t *>(input); + uint16_t *out = static_cast<uint16_t *>(output); + + std::copy(in, in + width, out); +} + +/* Thumbnail function for raw data with each pixel aligned to 16bit. */ +void thumbScanlineRaw(const FormatInfo &info, void *output, const void *input, + unsigned int width, unsigned int stride) +{ + const uint16_t *in = static_cast<const uint16_t *>(input); + const uint16_t *in2 = static_cast<const uint16_t *>(input) + stride / 2; + uint8_t *out = static_cast<uint8_t *>(output); + + /* Shift down to 8. */ + unsigned int shift = info.bitsPerSample - 8; + + /* Simple averaging that produces greyscale RGB values. */ + for (unsigned int x = 0; x < width; x++) { + uint16_t value = (le16toh(in[0]) + le16toh(in[1]) + + le16toh(in2[0]) + le16toh(in2[1])) >> 2; + value = value >> shift; + *out++ = value; + *out++ = value; + *out++ = value; + in += 16; + in2 += 16; + } +} + +void packScanlineRaw10_CSI2P(void *output, const void *input, unsigned int width) { const uint8_t *in = static_cast<const uint8_t *>(input); uint8_t *out = static_cast<uint8_t *>(output); @@ -150,7 +214,7 @@ void packScanlineSBGGR10P(void *output, const void *input, unsigned int width) } } -void packScanlineSBGGR12P(void *output, const void *input, unsigned int width) +void packScanlineRaw12_CSI2P(void *output, const void *input, unsigned int width) { const uint8_t *in = static_cast<const uint8_t *>(input); uint8_t *out = static_cast<uint8_t *>(output); @@ -164,7 +228,7 @@ void packScanlineSBGGR12P(void *output, const void *input, unsigned int width) } } -void thumbScanlineSBGGRxxP(const FormatInfo &info, void *output, +void thumbScanlineRaw_CSI2P(const FormatInfo &info, void *output, const void *input, unsigned int width, unsigned int stride) { @@ -282,78 +346,150 @@ void thumbScanlineIPU3([[maybe_unused]] const FormatInfo &info, void *output, } } -static const std::map<PixelFormat, FormatInfo> formatInfo = { +const std::map<PixelFormat, FormatInfo> formatInfo = { { formats::SBGGR8, { .bitsPerSample = 8, .pattern = { CFAPatternBlue, CFAPatternGreen, CFAPatternGreen, CFAPatternRed }, - .packScanline = packScanlineSBGGR8, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw8, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SGBRG8, { .bitsPerSample = 8, .pattern = { CFAPatternGreen, CFAPatternBlue, CFAPatternRed, CFAPatternGreen }, - .packScanline = packScanlineSBGGR8, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw8, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SGRBG8, { .bitsPerSample = 8, .pattern = { CFAPatternGreen, CFAPatternRed, CFAPatternBlue, CFAPatternGreen }, - .packScanline = packScanlineSBGGR8, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw8, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SRGGB8, { .bitsPerSample = 8, .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue }, - .packScanline = packScanlineSBGGR8, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw8, + .thumbScanline = thumbScanlineRaw_CSI2P, + } }, + { formats::SBGGR10, { + .bitsPerSample = 10, + .pattern = { CFAPatternBlue, CFAPatternGreen, CFAPatternGreen, CFAPatternRed }, + .packScanline = packScanlineRaw10, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SGBRG10, { + .bitsPerSample = 10, + .pattern = { CFAPatternGreen, CFAPatternBlue, CFAPatternRed, CFAPatternGreen }, + .packScanline = packScanlineRaw10, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SGRBG10, { + .bitsPerSample = 10, + .pattern = { CFAPatternGreen, CFAPatternRed, CFAPatternBlue, CFAPatternGreen }, + .packScanline = packScanlineRaw10, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SRGGB10, { + .bitsPerSample = 10, + .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue }, + .packScanline = packScanlineRaw10, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SBGGR12, { + .bitsPerSample = 12, + .pattern = { CFAPatternBlue, CFAPatternGreen, CFAPatternGreen, CFAPatternRed }, + .packScanline = packScanlineRaw12, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SGBRG12, { + .bitsPerSample = 12, + .pattern = { CFAPatternGreen, CFAPatternBlue, CFAPatternRed, CFAPatternGreen }, + .packScanline = packScanlineRaw12, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SGRBG12, { + .bitsPerSample = 12, + .pattern = { CFAPatternGreen, CFAPatternRed, CFAPatternBlue, CFAPatternGreen }, + .packScanline = packScanlineRaw12, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SRGGB12, { + .bitsPerSample = 12, + .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue }, + .packScanline = packScanlineRaw12, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SBGGR16, { + .bitsPerSample = 16, + .pattern = { CFAPatternBlue, CFAPatternGreen, CFAPatternGreen, CFAPatternRed }, + .packScanline = packScanlineRaw16, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SGBRG16, { + .bitsPerSample = 16, + .pattern = { CFAPatternGreen, CFAPatternBlue, CFAPatternRed, CFAPatternGreen }, + .packScanline = packScanlineRaw16, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SGRBG16, { + .bitsPerSample = 16, + .pattern = { CFAPatternGreen, CFAPatternRed, CFAPatternBlue, CFAPatternGreen }, + .packScanline = packScanlineRaw16, + .thumbScanline = thumbScanlineRaw, + } }, + { formats::SRGGB16, { + .bitsPerSample = 16, + .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue }, + .packScanline = packScanlineRaw16, + .thumbScanline = thumbScanlineRaw, } }, { formats::SBGGR10_CSI2P, { .bitsPerSample = 10, .pattern = { CFAPatternBlue, CFAPatternGreen, CFAPatternGreen, CFAPatternRed }, - .packScanline = packScanlineSBGGR10P, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw10_CSI2P, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SGBRG10_CSI2P, { .bitsPerSample = 10, .pattern = { CFAPatternGreen, CFAPatternBlue, CFAPatternRed, CFAPatternGreen }, - .packScanline = packScanlineSBGGR10P, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw10_CSI2P, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SGRBG10_CSI2P, { .bitsPerSample = 10, .pattern = { CFAPatternGreen, CFAPatternRed, CFAPatternBlue, CFAPatternGreen }, - .packScanline = packScanlineSBGGR10P, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw10_CSI2P, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SRGGB10_CSI2P, { .bitsPerSample = 10, .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue }, - .packScanline = packScanlineSBGGR10P, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw10_CSI2P, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SBGGR12_CSI2P, { .bitsPerSample = 12, .pattern = { CFAPatternBlue, CFAPatternGreen, CFAPatternGreen, CFAPatternRed }, - .packScanline = packScanlineSBGGR12P, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw12_CSI2P, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SGBRG12_CSI2P, { .bitsPerSample = 12, .pattern = { CFAPatternGreen, CFAPatternBlue, CFAPatternRed, CFAPatternGreen }, - .packScanline = packScanlineSBGGR12P, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw12_CSI2P, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SGRBG12_CSI2P, { .bitsPerSample = 12, .pattern = { CFAPatternGreen, CFAPatternRed, CFAPatternBlue, CFAPatternGreen }, - .packScanline = packScanlineSBGGR12P, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw12_CSI2P, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SRGGB12_CSI2P, { .bitsPerSample = 12, .pattern = { CFAPatternRed, CFAPatternGreen, CFAPatternGreen, CFAPatternBlue }, - .packScanline = packScanlineSBGGR12P, - .thumbScanline = thumbScanlineSBGGRxxP, + .packScanline = packScanlineRaw12_CSI2P, + .thumbScanline = thumbScanlineRaw_CSI2P, } }, { formats::SBGGR10_IPU3, { .bitsPerSample = 16, @@ -381,6 +517,8 @@ static const std::map<PixelFormat, FormatInfo> formatInfo = { } }, }; +} /* namespace */ + int DNGWriter::write(const char *filename, const Camera *camera, const StreamConfiguration &config, const ControlList &metadata, @@ -407,7 +545,7 @@ int DNGWriter::write(const char *filename, const Camera *camera, * or a thumbnail scanline. The latter will always be much smaller than * the former as we downscale by 16 in both directions. */ - uint8_t scanline[(config.size.width * info->bitsPerSample + 7) / 8]; + std::vector<uint8_t> scanline((config.size.width * info->bitsPerSample + 7) / 8); toff_t rawIFDOffset = 0; toff_t exifIFDOffset = 0; @@ -507,10 +645,10 @@ int DNGWriter::write(const char *filename, const Camera *camera, /* Write the thumbnail. */ const uint8_t *row = static_cast<const uint8_t *>(data); for (unsigned int y = 0; y < config.size.height / 16; y++) { - info->thumbScanline(*info, &scanline, row, + info->thumbScanline(*info, scanline.data(), row, config.size.width / 16, config.stride); - if (TIFFWriteScanline(tif, &scanline, y, 0) != 1) { + if (TIFFWriteScanline(tif, scanline.data(), y, 0) != 1) { std::cerr << "Failed to write thumbnail scanline" << std::endl; TIFFClose(tif); @@ -522,6 +660,23 @@ int DNGWriter::write(const char *filename, const Camera *camera, TIFFWriteDirectory(tif); + /* + * Workaround for a bug introduced in libtiff version 4.5.1 and no fix + * released. In these versions the CFA* tags were missing in the field + * info. + * Introduced by: https://gitlab.com/libtiff/libtiff/-/commit/738e04099b13192bb1f654e74e9b5829313f3161 + * Fixed by: https://gitlab.com/libtiff/libtiff/-/commit/49856998c3d82e65444b47bb4fb11b7830a0c2be + */ + if (!TIFFFindField(tif, TIFFTAG_CFAREPEATPATTERNDIM, TIFF_ANY)) { + static const TIFFFieldInfo infos[] = { + { TIFFTAG_CFAREPEATPATTERNDIM, 2, 2, TIFF_SHORT, FIELD_CUSTOM, + 1, 0, const_cast<char *>("CFARepeatPatternDim") }, + { TIFFTAG_CFAPATTERN, -1, -1, TIFF_BYTE, FIELD_CUSTOM, + 1, 1, const_cast<char *>("CFAPattern") }, + }; + TIFFMergeFieldInfo(tif, infos, 2); + } + /* Create a new IFD for the RAW image. */ const uint16_t cfaRepeatPatternDim[] = { 2, 2 }; const uint8_t cfaPlaneColor[] = { @@ -593,9 +748,9 @@ int DNGWriter::write(const char *filename, const Camera *camera, /* Write RAW content. */ row = static_cast<const uint8_t *>(data); for (unsigned int y = 0; y < config.size.height; y++) { - info->packScanline(&scanline, row, config.size.width); + info->packScanline(scanline.data(), row, config.size.width); - if (TIFFWriteScanline(tif, &scanline, y, 0) != 1) { + if (TIFFWriteScanline(tif, scanline.data(), y, 0) != 1) { std::cerr << "Failed to write RAW scanline" << std::endl; TIFFClose(tif); |