Loading include/system/graphics.h +130 −0 Original line number Diff line number Diff line Loading @@ -297,6 +297,136 @@ enum { HAL_TRANSFORM_RESERVED = 0x08, }; /** * Colorspace Definitions * ====================== * * Colorspace is the definition of how pixel values should be interpreted. * It includes primaries (including white point) and the transfer * characteristic function, which describes both gamma curve and numeric * range (within the bit depth). */ enum { /* * Arbitrary colorspace with manually defined characteristics. * Colorspace definition must be communicated separately. * * This is used when specifying primaries, transfer characteristics, * etc. separately. * * A typical use case is in video encoding parameters (e.g. for H.264), * where a colorspace can have separately defined primaries, transfer * characteristics, etc. */ HAL_COLORSPACE_ARBITRARY = 0x1, /* * YCbCr Colorspaces * ----------------- * * Primaries are given using (x,y) coordinates in the CIE 1931 definition * of x and y specified by ISO 11664-1. * * Transfer characteristics are the opto-electronic transfer characteristic * at the source as a function of linear optical intensity (luminance). */ /* * JPEG File Interchange Format (JFIF) * * Same model as BT.601-625, but all values (Y, Cb, Cr) range from 0 to 255 * * Transfer characteristic curve: * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018 * E = 4.500 L, 0.018 > L >= 0 * L - luminance of image 0 <= L <= 1 for conventional colorimetry * E - corresponding electrical signal * * Primaries: x y * green 0.290 0.600 * blue 0.150 0.060 * red 0.640 0.330 * white (D65) 0.3127 0.3290 */ HAL_COLORSPACE_JFIF = 0x101, /* * ITU-R Recommendation 601 (BT.601) - 625-line * * Standard-definition television, 625 Lines (PAL) * * For 8-bit-depth formats: * Luma (Y) samples should range from 16 to 235, inclusive * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive * * For 10-bit-depth formats: * Luma (Y) samples should range from 64 to 940, inclusive * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive * * Transfer characteristic curve: * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018 * E = 4.500 L, 0.018 > L >= 0 * L - luminance of image 0 <= L <= 1 for conventional colorimetry * E - corresponding electrical signal * * Primaries: x y * green 0.290 0.600 * blue 0.150 0.060 * red 0.640 0.330 * white (D65) 0.3127 0.3290 */ HAL_COLORSPACE_BT601_625 = 0x102, /* * ITU-R Recommendation 601 (BT.601) - 525-line * * Standard-definition television, 525 Lines (NTSC) * * For 8-bit-depth formats: * Luma (Y) samples should range from 16 to 235, inclusive * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive * * For 10-bit-depth formats: * Luma (Y) samples should range from 64 to 940, inclusive * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive * * Transfer characteristic curve: * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018 * E = 4.500 L, 0.018 > L >= 0 * L - luminance of image 0 <= L <= 1 for conventional colorimetry * E - corresponding electrical signal * * Primaries: x y * green 0.310 0.595 * blue 0.155 0.070 * red 0.630 0.340 * white (D65) 0.3127 0.3290 */ HAL_COLORSPACE_BT601_525 = 0x103, /* * ITU-R Recommendation 709 (BT.709) * * High-definition television * * For 8-bit-depth formats: * Luma (Y) samples should range from 16 to 235, inclusive * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive * * For 10-bit-depth formats: * Luma (Y) samples should range from 64 to 940, inclusive * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive * * Primaries: x y * green 0.300 0.600 * blue 0.150 0.060 * red 0.640 0.330 * white (D65) 0.3127 0.3290 */ HAL_COLORSPACE_BT709 = 0x104, }; #ifdef __cplusplus } #endif Loading Loading
include/system/graphics.h +130 −0 Original line number Diff line number Diff line Loading @@ -297,6 +297,136 @@ enum { HAL_TRANSFORM_RESERVED = 0x08, }; /** * Colorspace Definitions * ====================== * * Colorspace is the definition of how pixel values should be interpreted. * It includes primaries (including white point) and the transfer * characteristic function, which describes both gamma curve and numeric * range (within the bit depth). */ enum { /* * Arbitrary colorspace with manually defined characteristics. * Colorspace definition must be communicated separately. * * This is used when specifying primaries, transfer characteristics, * etc. separately. * * A typical use case is in video encoding parameters (e.g. for H.264), * where a colorspace can have separately defined primaries, transfer * characteristics, etc. */ HAL_COLORSPACE_ARBITRARY = 0x1, /* * YCbCr Colorspaces * ----------------- * * Primaries are given using (x,y) coordinates in the CIE 1931 definition * of x and y specified by ISO 11664-1. * * Transfer characteristics are the opto-electronic transfer characteristic * at the source as a function of linear optical intensity (luminance). */ /* * JPEG File Interchange Format (JFIF) * * Same model as BT.601-625, but all values (Y, Cb, Cr) range from 0 to 255 * * Transfer characteristic curve: * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018 * E = 4.500 L, 0.018 > L >= 0 * L - luminance of image 0 <= L <= 1 for conventional colorimetry * E - corresponding electrical signal * * Primaries: x y * green 0.290 0.600 * blue 0.150 0.060 * red 0.640 0.330 * white (D65) 0.3127 0.3290 */ HAL_COLORSPACE_JFIF = 0x101, /* * ITU-R Recommendation 601 (BT.601) - 625-line * * Standard-definition television, 625 Lines (PAL) * * For 8-bit-depth formats: * Luma (Y) samples should range from 16 to 235, inclusive * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive * * For 10-bit-depth formats: * Luma (Y) samples should range from 64 to 940, inclusive * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive * * Transfer characteristic curve: * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018 * E = 4.500 L, 0.018 > L >= 0 * L - luminance of image 0 <= L <= 1 for conventional colorimetry * E - corresponding electrical signal * * Primaries: x y * green 0.290 0.600 * blue 0.150 0.060 * red 0.640 0.330 * white (D65) 0.3127 0.3290 */ HAL_COLORSPACE_BT601_625 = 0x102, /* * ITU-R Recommendation 601 (BT.601) - 525-line * * Standard-definition television, 525 Lines (NTSC) * * For 8-bit-depth formats: * Luma (Y) samples should range from 16 to 235, inclusive * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive * * For 10-bit-depth formats: * Luma (Y) samples should range from 64 to 940, inclusive * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive * * Transfer characteristic curve: * E = 1.099 * L ^ 0.45 - 0.099, 1.00 >= L >= 0.018 * E = 4.500 L, 0.018 > L >= 0 * L - luminance of image 0 <= L <= 1 for conventional colorimetry * E - corresponding electrical signal * * Primaries: x y * green 0.310 0.595 * blue 0.155 0.070 * red 0.630 0.340 * white (D65) 0.3127 0.3290 */ HAL_COLORSPACE_BT601_525 = 0x103, /* * ITU-R Recommendation 709 (BT.709) * * High-definition television * * For 8-bit-depth formats: * Luma (Y) samples should range from 16 to 235, inclusive * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive * * For 10-bit-depth formats: * Luma (Y) samples should range from 64 to 940, inclusive * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive * * Primaries: x y * green 0.300 0.600 * blue 0.150 0.060 * red 0.640 0.330 * white (D65) 0.3127 0.3290 */ HAL_COLORSPACE_BT709 = 0x104, }; #ifdef __cplusplus } #endif Loading
