| /* |
| * Copyright Samsung Electronics Co.,LTD. |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <linux/videodev2.h> |
| #include <log/log.h> |
| #include <mali_gralloc_formats.h> |
| #include <system/graphics.h> |
| #include <exynos_format.h> // hardware/smasung_slsi/exynos/include |
| #include "acrylic_internal.h" |
| |
| #define V4L2_PIX_FMT_NV12N v4l2_fourcc('N', 'N', '1', '2') |
| #define V4L2_PIX_FMT_NV12N_10B v4l2_fourcc('B', 'N', '1', '2') |
| #define V4L2_PIX_FMT_YUV420N v4l2_fourcc('Y', 'N', '1', '2') |
| #define V4L2_PIX_FMT_NV12M_S10B v4l2_fourcc('B', 'M', '1', '2') |
| #define V4L2_PIX_FMT_NV21M_S10B v4l2_fourcc('B', 'M', '2', '1') |
| #define V4L2_PIX_FMT_NV16M_S10B v4l2_fourcc('B', 'M', '1', '6') |
| #define V4L2_PIX_FMT_NV61M_S10B v4l2_fourcc('B', 'M', '6', '1') |
| #define V4L2_PIX_FMT_NV12M_P010 v4l2_fourcc('P', 'M', '1', '2') |
| #define V4L2_PIX_FMT_NV21M_P010 v4l2_fourcc('P', 'M', '2', '1') |
| #define V4L2_PIX_FMT_NV16M_P210 v4l2_fourcc('P', 'M', '1', '6') |
| #define V4L2_PIX_FMT_NV61M_P210 v4l2_fourcc('P', 'M', '6', '1') |
| #define V4L2_PIX_FMT_NV12_P010 v4l2_fourcc('P', 'N', '1', '2') |
| #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'B', '1', '0') |
| #define V4L2_PIX_FMT_ABGR2101010 v4l2_fourcc('A', 'R', '1', '0') |
| #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '1', '0') |
| #define V4L2_PIX_FMT_BGRA1010102 v4l2_fourcc('B', 'A', '1', '0') |
| |
| /* 12 Y/CbCr 4:2:0 SBWC */ |
| #define V4L2_PIX_FMT_NV12M_SBWC_8B v4l2_fourcc('M', '1', 'S', '8') |
| #define V4L2_PIX_FMT_NV12M_SBWC_10B v4l2_fourcc('M', '1', 'S', '1') |
| /* 21 Y/CrCb 4:2:0 SBWC */ |
| #define V4L2_PIX_FMT_NV21M_SBWC_8B v4l2_fourcc('M', '2', 'S', '8') |
| #define V4L2_PIX_FMT_NV21M_SBWC_10B v4l2_fourcc('M', '2', 'S', '1') |
| /* 12 Y/CbCr 4:2:0 SBWC single */ |
| #define V4L2_PIX_FMT_NV12N_SBWC_8B v4l2_fourcc('N', '1', 'S', '8') |
| #define V4L2_PIX_FMT_NV12N_SBWC_10B v4l2_fourcc('N', '1', 'S', '1') |
| /* 12 Y/CbCr 4:2:0 SBWC Lossy */ |
| #define V4L2_PIX_FMT_NV12M_SBWCL_8B v4l2_fourcc('M', '1', 'L', '8') |
| #define V4L2_PIX_FMT_NV12M_SBWCL_10B v4l2_fourcc('M', '1', 'L', '1') |
| /* 12 Y/CbCr 4:2:0 SBWC Lossy single */ |
| #define V4L2_PIX_FMT_NV12N_SBWCL_8B v4l2_fourcc('N', '1', 'L', '8') |
| #define V4L2_PIX_FMT_NV12N_SBWCL_10B v4l2_fourcc('N', '1', 'L', '1') |
| |
| |
| static uint32_t __halfmt_to_v4l2_rgb[][2] = { |
| {HAL_PIXEL_FORMAT_RGBA_8888, V4L2_PIX_FMT_ABGR32 }, |
| {HAL_PIXEL_FORMAT_BGRA_8888, V4L2_PIX_FMT_ARGB32 }, |
| {HAL_PIXEL_FORMAT_RGBX_8888, V4L2_PIX_FMT_XBGR32 }, |
| {HAL_PIXEL_FORMAT_RGB_888, V4L2_PIX_FMT_RGB24 }, |
| {HAL_PIXEL_FORMAT_RGB_565, V4L2_PIX_FMT_RGB565 }, |
| }; |
| |
| // The V4L2_PIX_FMT_RGB32, V4L2_PIX_FMT_BGR32 are deprecated in V4L2. |
| // But the legacy mscl driver and libhwcutils requires them. |
| static uint32_t __halfmt_to_v4l2_rgb_deprecated[][2] = { |
| {HAL_PIXEL_FORMAT_RGBA_8888, V4L2_PIX_FMT_RGB32 }, |
| {HAL_PIXEL_FORMAT_BGRA_8888, V4L2_PIX_FMT_BGR32 }, |
| {HAL_PIXEL_FORMAT_RGBX_8888, V4L2_PIX_FMT_RGB32 }, |
| {HAL_PIXEL_FORMAT_RGB_888, V4L2_PIX_FMT_RGB24 }, |
| {HAL_PIXEL_FORMAT_RGB_565, V4L2_PIX_FMT_RGB565 }, |
| {HAL_PIXEL_FORMAT_RGBA_1010102, V4L2_PIX_FMT_ABGR2101010 }, |
| }; |
| |
| static uint32_t __halfmt_to_v4l2_ycbcr[][2] = { |
| {HAL_PIXEL_FORMAT_YV12, V4L2_PIX_FMT_YVU420 }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YV12_M, V4L2_PIX_FMT_YVU420M }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, V4L2_PIX_FMT_YUV420 }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_PN, V4L2_PIX_FMT_YUV420N }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P_M, V4L2_PIX_FMT_YUV420M }, |
| {HAL_PIXEL_FORMAT_YCrCb_420_SP, V4L2_PIX_FMT_NV21 }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M, V4L2_PIX_FMT_NV21M }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_FULL, V4L2_PIX_FMT_NV21M }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, V4L2_PIX_FMT_NV12 }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN, V4L2_PIX_FMT_NV12N }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M, V4L2_PIX_FMT_NV12M }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_PRIV, V4L2_PIX_FMT_NV12M }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_S10B, V4L2_PIX_FMT_NV12N_10B }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_S10B, V4L2_PIX_FMT_NV12M_S10B }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_P010_M, V4L2_PIX_FMT_NV12M_P010 }, |
| {HAL_PIXEL_FORMAT_YCBCR_P010, V4L2_PIX_FMT_NV12_P010 }, |
| {HAL_PIXEL_FORMAT_YCbCr_422_I, V4L2_PIX_FMT_YUYV }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_422_I, V4L2_PIX_FMT_YVYU }, |
| {HAL_PIXEL_FORMAT_YCbCr_422_SP, V4L2_PIX_FMT_NV16 }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC, V4L2_PIX_FMT_NV12M_SBWC_8B }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC, V4L2_PIX_FMT_NV12M_SBWC_10B }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_SBWC, V4L2_PIX_FMT_NV21M_SBWC_8B }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_10B_SBWC, V4L2_PIX_FMT_NV21M_SBWC_10B }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC, V4L2_PIX_FMT_NV12N_SBWC_8B }, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC, V4L2_PIX_FMT_NV12N_SBWC_10B }, |
| }; |
| |
| static uint32_t halfmt_to_v4l2_ycbcr(uint32_t halfmt) |
| { |
| for (size_t i = 0 ; i < ARRSIZE(__halfmt_to_v4l2_ycbcr); i++) { |
| if (__halfmt_to_v4l2_ycbcr[i][0] == halfmt) |
| return __halfmt_to_v4l2_ycbcr[i][1]; |
| } |
| |
| ALOGE("Unable to find the proper v4l2 format for HAL format %#x", halfmt); |
| |
| return 0; // it is alright to return 0 for an error because a fmt identifier is 4cc value |
| } |
| |
| uint32_t halfmt_to_v4l2(uint32_t halfmt) |
| { |
| for (size_t i = 0 ; i < ARRSIZE(__halfmt_to_v4l2_rgb); i++) { |
| if (__halfmt_to_v4l2_rgb[i][0] == halfmt) |
| return __halfmt_to_v4l2_rgb[i][1]; |
| } |
| |
| return halfmt_to_v4l2_ycbcr(halfmt); |
| } |
| |
| uint32_t halfmt_to_v4l2_deprecated(uint32_t halfmt) |
| { |
| for (size_t i = 0 ; i < ARRSIZE(__halfmt_to_v4l2_rgb_deprecated); i++) { |
| if (__halfmt_to_v4l2_rgb_deprecated[i][0] == halfmt) |
| return __halfmt_to_v4l2_rgb_deprecated[i][1]; |
| } |
| |
| return halfmt_to_v4l2_ycbcr(halfmt); |
| } |
| |
| |
| static struct { |
| uint32_t fmt; // HAL_PIXEL_FORMAT that describe how pixels are stored in memory |
| uint8_t bufcnt; // the number of buffer to describe @fmt |
| uint8_t subfactor; // Horizontal (upper 4 bits)and vertical (lower 4 bits) chroma subsampling factor |
| uint8_t bpp[MAX_HW2D_PLANES]; // bits in a buffer per pixel |
| uint32_t equivalent; // The equivalent format on a single buffer without H/W constraints |
| uint8_t planecnt; // the number of planes to describe @fmt |
| } __halfmt_plane_bpp[] = { |
| {HAL_PIXEL_FORMAT_RGBA_8888, 1, 0x11, {32, 0, 0, 0}, HAL_PIXEL_FORMAT_RGBA_8888, 1}, |
| {HAL_PIXEL_FORMAT_BGRA_8888, 1, 0x11, {32, 0, 0, 0}, HAL_PIXEL_FORMAT_BGRA_8888, 1}, |
| {HAL_PIXEL_FORMAT_RGBA_1010102, 1, 0x11, {32, 0, 0, 0}, HAL_PIXEL_FORMAT_RGBA_1010102, 1}, |
| {HAL_PIXEL_FORMAT_RGBX_8888, 1, 0x11, {32, 0, 0, 0}, HAL_PIXEL_FORMAT_RGBX_8888, 1}, |
| {HAL_PIXEL_FORMAT_RGB_888, 1, 0x11, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_RGB_888, 1}, |
| {HAL_PIXEL_FORMAT_RGB_565, 1, 0x11, {16, 0, 0, 0}, HAL_PIXEL_FORMAT_RGB_565, 1}, |
| {HAL_PIXEL_FORMAT_YCbCr_422_I, 1, 0x21, {16, 0, 0, 0}, HAL_PIXEL_FORMAT_YCbCr_422_I, 1}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_422_I, 1, 0x21, {16, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCrCb_422_I, 1}, |
| {HAL_PIXEL_FORMAT_YCbCr_422_SP, 1, 0x21, {16, 0, 0, 0}, HAL_PIXEL_FORMAT_YCbCr_422_SP, 2}, |
| {HAL_PIXEL_FORMAT_YV12, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_YV12, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YV12_M, 3, 0x22, { 8, 2, 2, 0}, HAL_PIXEL_FORMAT_YV12, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_PN, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P_M, 3, 0x22, { 8, 2, 2, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, 2}, |
| {HAL_PIXEL_FORMAT_YCrCb_420_SP, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_YCrCb_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_YCrCb_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_FULL, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_YCrCb_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_TILED, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_GOOGLE_NV12_SP, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2}, |
| {MALI_GRALLOC_FORMAT_INTERNAL_YUV420_8BIT_I, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_PRIV, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_TILED, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2}, |
| {HAL_PIXEL_FORMAT_YCBCR_P010, 1, 0x22, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_YCBCR_P010, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_P010_M, 2, 0x22, {16, 8, 0, 0}, HAL_PIXEL_FORMAT_YCBCR_P010, 2}, |
| {HAL_PIXEL_FORMAT_GOOGLE_NV12_SP_10B, 1, 0x22, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_YCBCR_P010, 2}, |
| {MALI_GRALLOC_FORMAT_INTERNAL_YUV420_10BIT_I, 1, 0x22, {15, 0, 0, 0}, HAL_PIXEL_FORMAT_YCBCR_P010, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC, 2, 0x22, {16, 8, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC, 1, 0x22, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC_L50, 2, 0x22, {8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC_L50, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC_L50, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC_L50, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC_L75, 2, 0x22, {8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC_L75, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC_L75, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC_L75, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L40, 2, 0x22, {16, 8, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L40, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L40, 1, 0x22, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L40, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L60, 2,0x22, {16, 8, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L60, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L60, 1, 0x22, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L60, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L80, 2, 0x22, {16, 8, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC_L80, 2}, |
| {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L80, 1, 0x22, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC_L80, 2}, |
| }; |
| |
| #define MFC_PAD_SIZE 256 |
| #define MFC_2B_PAD_SIZE (MFC_PAD_SIZE / 4) |
| #define MFC_ALIGN(v) (((v) + 15) & ~15) |
| |
| #define NV12_MFC_Y_PAYLOAD(w, h) (MFC_ALIGN(w) * MFC_ALIGN(h)) |
| #define NV12_MFC_C_PAYLOAD(w, h) (MFC_ALIGN(w) * MFC_ALIGN(h) / 2) |
| #define NV12_MFC_PAYLOAD(w, h) (NV12_MFC_Y_PAYLOAD(w, h) + MFC_PAD_SIZE + (MFC_ALIGN(w) * (h) / 2)) |
| |
| size_t halfmt_plane_length(uint32_t fmt, unsigned int plane, uint32_t width, uint32_t height) |
| { |
| for (size_t i = 0; i < ARRSIZE(__halfmt_plane_bpp); i++) { |
| if (__halfmt_plane_bpp[i].fmt == fmt) { |
| LOGASSERT(plane < __halfmt_plane_bpp[i].bufcnt, |
| "Plane count of HAL format %#x is %u but %d plane is requested", fmt, |
| __halfmt_plane_bpp[i].bufcnt, plane); |
| if (plane < __halfmt_plane_bpp[i].bufcnt) |
| return (__halfmt_plane_bpp[i].bpp[plane] * width * height) / 8; |
| } |
| } |
| |
| LOGASSERT(1, "Unable to find HAL format %#x with plane %d", fmt, plane); |
| |
| return 0; |
| } |
| |
| unsigned int halfmt_bpp(uint32_t fmt) |
| { |
| for (size_t i = 0 ; i < ARRSIZE(__halfmt_plane_bpp); i++) { |
| if (__halfmt_plane_bpp[i].fmt == fmt) |
| return __halfmt_plane_bpp[i].bpp[0] + __halfmt_plane_bpp[i].bpp[1] + __halfmt_plane_bpp[i].bpp[2]; |
| } |
| |
| LOGASSERT(1, "Unable to find HAL format %#x", fmt); |
| |
| return 0; |
| } |
| |
| #define DEFINE_HALFMT_PROPERTY_GETTER(rettype, funcname, member) \ |
| rettype funcname(uint32_t fmt) \ |
| { \ |
| for (size_t i = 0 ; i < ARRSIZE(__halfmt_plane_bpp); i++) { \ |
| if (__halfmt_plane_bpp[i].fmt == fmt) \ |
| return __halfmt_plane_bpp[i].member; \ |
| } \ |
| LOGASSERT(1, "Unable to find HAL format %#x", fmt); \ |
| return 0; \ |
| } |
| |
| DEFINE_HALFMT_PROPERTY_GETTER(unsigned int, halfmt_buf_count, bufcnt) |
| DEFINE_HALFMT_PROPERTY_GETTER(uint8_t, halfmt_chroma_subsampling, subfactor) |
| DEFINE_HALFMT_PROPERTY_GETTER(uint32_t, find_format_equivalent, equivalent) |
| DEFINE_HALFMT_PROPERTY_GETTER(uint8_t, halfmt_plane_count, planecnt) |
| |
| static struct { |
| int32_t hal; |
| uint32_t v4l2; |
| } __haldataspace_to_v4l2[] = { |
| {HAL_DATASPACE_STANDARD_BT709 | HAL_DATASPACE_RANGE_FULL, V4L2_COLORSPACE_SRGB}, |
| {HAL_DATASPACE_STANDARD_BT709 | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_REC709}, |
| {HAL_DATASPACE_STANDARD_BT601_625 | HAL_DATASPACE_RANGE_FULL, V4L2_COLORSPACE_JPEG}, |
| {HAL_DATASPACE_STANDARD_BT601_525 | HAL_DATASPACE_RANGE_FULL, V4L2_COLORSPACE_JPEG}, |
| {HAL_DATASPACE_STANDARD_BT601_625 | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_SMPTE170M}, |
| {HAL_DATASPACE_STANDARD_BT601_525 | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_SMPTE170M}, |
| {HAL_DATASPACE_STANDARD_BT2020 | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_BT2020}, |
| {HAL_DATASPACE_STANDARD_FILM | HAL_DATASPACE_RANGE_FULL, V4L2_COLORSPACE_SRGB}, |
| {HAL_DATASPACE_STANDARD_FILM | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_REC709}, |
| {HAL_DATASPACE_SRGB, V4L2_COLORSPACE_SRGB}, |
| {HAL_DATASPACE_JFIF, V4L2_COLORSPACE_JPEG}, |
| {HAL_DATASPACE_BT601_525, V4L2_COLORSPACE_SMPTE170M}, |
| {HAL_DATASPACE_BT601_625, V4L2_COLORSPACE_SMPTE170M}, |
| {HAL_DATASPACE_BT709, V4L2_COLORSPACE_REC709}, |
| }; |
| |
| #define HAL_DATASPACE_LEGACY_TYPE_MASK ((1 << HAL_DATASPACE_STANDARD_SHIFT) - 1) |
| |
| uint32_t haldataspace_to_v4l2(int dataspace, uint32_t width, uint32_t height) |
| { |
| // if legacy type, discard upper bits above 15th |
| if ((dataspace & HAL_DATASPACE_LEGACY_TYPE_MASK) != 0) { |
| dataspace &= HAL_DATASPACE_LEGACY_TYPE_MASK; |
| } else { |
| dataspace &= ~HAL_DATASPACE_LEGACY_TYPE_MASK; |
| // if Y value range is not specified, force it to the limited. |
| if ((dataspace & HAL_DATASPACE_RANGE_MASK) == 0) |
| dataspace |= HAL_DATASPACE_RANGE_LIMITED; |
| // if colorspace is not specified, force it to 709 or 601 according to the resolution |
| if ((dataspace & HAL_DATASPACE_STANDARD_MASK) == 0) |
| dataspace |= ((width * height) < (1280 * 720)) |
| ? HAL_DATASPACE_STANDARD_BT601_625 |
| : HAL_DATASPACE_STANDARD_BT709; |
| // discard transfer function type values because it is not required during color space conviersion |
| dataspace &= ~HAL_DATASPACE_TRANSFER_MASK; |
| } |
| for (size_t i = 0 ; i < ARRSIZE(__haldataspace_to_v4l2); i++) { |
| if (__haldataspace_to_v4l2[i].hal == dataspace) |
| return __haldataspace_to_v4l2[i].v4l2; |
| } |
| |
| LOGASSERT(1, "Unable to find HAL dataspace value %#x", dataspace); |
| |
| return V4L2_COLORSPACE_DEFAULT; |
| } |
