1 /*
2 * Copyright Samsung Electronics Co.,LTD.
3 * Copyright (C) 2016 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 #include <linux/videodev2.h>
19
20 #include <log/log.h>
21 #include <system/graphics.h>
22
23 #include <exynos_format.h> // hardware/smasung_slsi/exynos/include
24
25 #include "acrylic_internal.h"
26
27 #define V4L2_PIX_FMT_NV12N v4l2_fourcc('N', 'N', '1', '2')
28 #define V4L2_PIX_FMT_NV12N_10B v4l2_fourcc('B', 'N', '1', '2')
29 #define V4L2_PIX_FMT_YUV420N v4l2_fourcc('Y', 'N', '1', '2')
30 #define V4L2_PIX_FMT_NV12M_S10B v4l2_fourcc('B', 'M', '1', '2')
31 #define V4L2_PIX_FMT_NV21M_S10B v4l2_fourcc('B', 'M', '2', '1')
32 #define V4L2_PIX_FMT_NV16M_S10B v4l2_fourcc('B', 'M', '1', '6')
33 #define V4L2_PIX_FMT_NV61M_S10B v4l2_fourcc('B', 'M', '6', '1')
34 #define V4L2_PIX_FMT_NV12M_P010 v4l2_fourcc('P', 'M', '1', '2')
35 #define V4L2_PIX_FMT_NV21M_P010 v4l2_fourcc('P', 'M', '2', '1')
36 #define V4L2_PIX_FMT_NV16M_P210 v4l2_fourcc('P', 'M', '1', '6')
37 #define V4L2_PIX_FMT_NV61M_P210 v4l2_fourcc('P', 'M', '6', '1')
38 #define V4L2_PIX_FMT_NV12_P010 v4l2_fourcc('P', 'N', '1', '2')
39 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'B', '1', '0')
40 #define V4L2_PIX_FMT_ABGR2101010 v4l2_fourcc('A', 'R', '1', '0')
41 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '1', '0')
42 #define V4L2_PIX_FMT_BGRA1010102 v4l2_fourcc('B', 'A', '1', '0')
43
44 /* 12 Y/CbCr 4:2:0 SBWC */
45 #define V4L2_PIX_FMT_NV12M_SBWC_8B v4l2_fourcc('M', '1', 'S', '8')
46 #define V4L2_PIX_FMT_NV12M_SBWC_10B v4l2_fourcc('M', '1', 'S', '1')
47 /* 21 Y/CrCb 4:2:0 SBWC */
48 #define V4L2_PIX_FMT_NV21M_SBWC_8B v4l2_fourcc('M', '2', 'S', '8')
49 #define V4L2_PIX_FMT_NV21M_SBWC_10B v4l2_fourcc('M', '2', 'S', '1')
50 /* 12 Y/CbCr 4:2:0 SBWC single */
51 #define V4L2_PIX_FMT_NV12N_SBWC_8B v4l2_fourcc('N', '1', 'S', '8')
52 #define V4L2_PIX_FMT_NV12N_SBWC_10B v4l2_fourcc('N', '1', 'S', '1')
53 /* 12 Y/CbCr 4:2:0 SBWC Lossy */
54 #define V4L2_PIX_FMT_NV12M_SBWCL_8B v4l2_fourcc('M', '1', 'L', '8')
55 #define V4L2_PIX_FMT_NV12M_SBWCL_10B v4l2_fourcc('M', '1', 'L', '1')
56 /* 12 Y/CbCr 4:2:0 SBWC Lossy single */
57 #define V4L2_PIX_FMT_NV12N_SBWCL_8B v4l2_fourcc('N', '1', 'L', '8')
58 #define V4L2_PIX_FMT_NV12N_SBWCL_10B v4l2_fourcc('N', '1', 'L', '1')
59
60
61 static uint32_t __halfmt_to_v4l2_rgb[][2] = {
62 {HAL_PIXEL_FORMAT_RGBA_8888, V4L2_PIX_FMT_ABGR32 },
63 {HAL_PIXEL_FORMAT_BGRA_8888, V4L2_PIX_FMT_ARGB32 },
64 {HAL_PIXEL_FORMAT_RGBX_8888, V4L2_PIX_FMT_XBGR32 },
65 {HAL_PIXEL_FORMAT_RGB_888, V4L2_PIX_FMT_RGB24 },
66 {HAL_PIXEL_FORMAT_RGB_565, V4L2_PIX_FMT_RGB565 },
67 };
68
69 // The V4L2_PIX_FMT_RGB32, V4L2_PIX_FMT_BGR32 are deprecated in V4L2.
70 // But the legacy mscl driver and libhwcutils requires them.
71 static uint32_t __halfmt_to_v4l2_rgb_deprecated[][2] = {
72 {HAL_PIXEL_FORMAT_RGBA_8888, V4L2_PIX_FMT_RGB32 },
73 {HAL_PIXEL_FORMAT_BGRA_8888, V4L2_PIX_FMT_BGR32 },
74 {HAL_PIXEL_FORMAT_RGBX_8888, V4L2_PIX_FMT_RGB32 },
75 {HAL_PIXEL_FORMAT_RGB_888, V4L2_PIX_FMT_RGB24 },
76 {HAL_PIXEL_FORMAT_RGB_565, V4L2_PIX_FMT_RGB565 },
77 {HAL_PIXEL_FORMAT_RGBA_1010102, V4L2_PIX_FMT_ABGR2101010 },
78 };
79
80 static uint32_t __halfmt_to_v4l2_ycbcr[][2] = {
81 {HAL_PIXEL_FORMAT_YV12, V4L2_PIX_FMT_YVU420 },
82 {HAL_PIXEL_FORMAT_EXYNOS_YV12_M, V4L2_PIX_FMT_YVU420M },
83 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, V4L2_PIX_FMT_YUV420 },
84 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_PN, V4L2_PIX_FMT_YUV420N },
85 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P_M, V4L2_PIX_FMT_YUV420M },
86 {HAL_PIXEL_FORMAT_YCrCb_420_SP, V4L2_PIX_FMT_NV21 },
87 {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M, V4L2_PIX_FMT_NV21M },
88 {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_FULL, V4L2_PIX_FMT_NV21M },
89 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, V4L2_PIX_FMT_NV12 },
90 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN, V4L2_PIX_FMT_NV12N },
91 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M, V4L2_PIX_FMT_NV12M },
92 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_PRIV, V4L2_PIX_FMT_NV12M },
93 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_S10B, V4L2_PIX_FMT_NV12N_10B },
94 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_S10B, V4L2_PIX_FMT_NV12M_S10B },
95 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_P010_M, V4L2_PIX_FMT_NV12M_P010 },
96 {HAL_PIXEL_FORMAT_YCBCR_P010, V4L2_PIX_FMT_NV12_P010 },
97 {HAL_PIXEL_FORMAT_YCbCr_422_I, V4L2_PIX_FMT_YUYV },
98 {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_422_I, V4L2_PIX_FMT_YVYU },
99 {HAL_PIXEL_FORMAT_YCbCr_422_SP, V4L2_PIX_FMT_NV16 },
100 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC, V4L2_PIX_FMT_NV12M_SBWC_8B },
101 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_10B_SBWC, V4L2_PIX_FMT_NV12M_SBWC_10B },
102 {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_SBWC, V4L2_PIX_FMT_NV21M_SBWC_8B },
103 {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_10B_SBWC, V4L2_PIX_FMT_NV21M_SBWC_10B },
104 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC, V4L2_PIX_FMT_NV12N_SBWC_8B },
105 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_10B_SBWC, V4L2_PIX_FMT_NV12N_SBWC_10B },
106 };
107
halfmt_to_v4l2_ycbcr(uint32_t halfmt)108 static uint32_t halfmt_to_v4l2_ycbcr(uint32_t halfmt)
109 {
110 for (size_t i = 0 ; i < ARRSIZE(__halfmt_to_v4l2_ycbcr); i++) {
111 if (__halfmt_to_v4l2_ycbcr[i][0] == halfmt)
112 return __halfmt_to_v4l2_ycbcr[i][1];
113 }
114
115 ALOGE("Unable to find the proper v4l2 format for HAL format %#x", halfmt);
116
117 return 0; // it is alright to return 0 for an error because a fmt identifier is 4cc value
118 }
119
halfmt_to_v4l2(uint32_t halfmt)120 uint32_t halfmt_to_v4l2(uint32_t halfmt)
121 {
122 for (size_t i = 0 ; i < ARRSIZE(__halfmt_to_v4l2_rgb); i++) {
123 if (__halfmt_to_v4l2_rgb[i][0] == halfmt)
124 return __halfmt_to_v4l2_rgb[i][1];
125 }
126
127 return halfmt_to_v4l2_ycbcr(halfmt);
128 }
129
halfmt_to_v4l2_deprecated(uint32_t halfmt)130 uint32_t halfmt_to_v4l2_deprecated(uint32_t halfmt)
131 {
132 for (size_t i = 0 ; i < ARRSIZE(__halfmt_to_v4l2_rgb_deprecated); i++) {
133 if (__halfmt_to_v4l2_rgb_deprecated[i][0] == halfmt)
134 return __halfmt_to_v4l2_rgb_deprecated[i][1];
135 }
136
137 return halfmt_to_v4l2_ycbcr(halfmt);
138 }
139
140
141 static struct {
142 uint32_t fmt; // HAL_PIXEL_FORMAT that describe how pixels are stored in memory
143 uint8_t bufcnt; // the number of buffer to describe @fmt
144 uint8_t subfactor; // Horizontal (upper 4 bits)and vertical (lower 4 bits) chroma subsampling factor
145 uint8_t bpp[MAX_HW2D_PLANES]; // bits in a buffer per pixel
146 uint32_t equivalent; // The equivalent format on a single buffer without H/W constraints
147 uint8_t planecnt; // the number of planes to describe @fmt
148 } __halfmt_plane_bpp[] = {
149 {HAL_PIXEL_FORMAT_RGBA_8888, 1, 0x11, {32, 0, 0, 0}, HAL_PIXEL_FORMAT_RGBA_8888, 1},
150 {HAL_PIXEL_FORMAT_BGRA_8888, 1, 0x11, {32, 0, 0, 0}, HAL_PIXEL_FORMAT_BGRA_8888, 1},
151 {HAL_PIXEL_FORMAT_RGBA_1010102, 1, 0x11, {32, 0, 0, 0}, HAL_PIXEL_FORMAT_RGBA_1010102, 1},
152 {HAL_PIXEL_FORMAT_RGBX_8888, 1, 0x11, {32, 0, 0, 0}, HAL_PIXEL_FORMAT_RGBX_8888, 1},
153 {HAL_PIXEL_FORMAT_RGB_888, 1, 0x11, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_RGB_888, 1},
154 {HAL_PIXEL_FORMAT_RGB_565, 1, 0x11, {16, 0, 0, 0}, HAL_PIXEL_FORMAT_RGB_565, 1},
155 {HAL_PIXEL_FORMAT_YCbCr_422_I, 1, 0x21, {16, 0, 0, 0}, HAL_PIXEL_FORMAT_YCbCr_422_I, 1},
156 {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_422_I, 1, 0x21, {16, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCrCb_422_I, 1},
157 {HAL_PIXEL_FORMAT_YCbCr_422_SP, 1, 0x21, {16, 0, 0, 0}, HAL_PIXEL_FORMAT_YCbCr_422_SP, 2},
158 {HAL_PIXEL_FORMAT_YV12, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_YV12, 2},
159 {HAL_PIXEL_FORMAT_EXYNOS_YV12_M, 3, 0x22, { 8, 2, 2, 0}, HAL_PIXEL_FORMAT_YV12, 2},
160 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, 2},
161 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_PN, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, 2},
162 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P_M, 3, 0x22, { 8, 2, 2, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_P, 2},
163 {HAL_PIXEL_FORMAT_YCrCb_420_SP, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_YCrCb_420_SP, 2},
164 {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_YCrCb_420_SP, 2},
165 {HAL_PIXEL_FORMAT_EXYNOS_YCrCb_420_SP_M_FULL, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_YCrCb_420_SP, 2},
166 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2},
167 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2},
168 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_TILED, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2},
169 {HAL_PIXEL_FORMAT_GOOGLE_NV12_SP, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2},
170 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2},
171 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_PRIV, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2},
172 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_TILED, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP, 2},
173 {HAL_PIXEL_FORMAT_YCBCR_P010, 1, 0x22, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_YCBCR_P010, 2},
174 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_P010_M, 2, 0x22, {16, 8, 0, 0}, HAL_PIXEL_FORMAT_YCBCR_P010, 2},
175 {HAL_PIXEL_FORMAT_GOOGLE_NV12_SP_10B, 1, 0x22, {24, 0, 0, 0}, HAL_PIXEL_FORMAT_YCBCR_P010, 2},
176 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SP_M_SBWC, 2, 0x22, { 8, 4, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC, 2},
177 {HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC, 1, 0x22, {12, 0, 0, 0}, HAL_PIXEL_FORMAT_EXYNOS_YCbCr_420_SPN_SBWC, 2},
178 {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},
179 {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},
180 };
181
182 #define MFC_PAD_SIZE 256
183 #define MFC_2B_PAD_SIZE (MFC_PAD_SIZE / 4)
184 #define MFC_ALIGN(v) (((v) + 15) & ~15)
185
186 #define NV12_MFC_Y_PAYLOAD(w, h) (MFC_ALIGN(w) * MFC_ALIGN(h))
187 #define NV12_MFC_C_PAYLOAD(w, h) (MFC_ALIGN(w) * MFC_ALIGN(h) / 2)
188 #define NV12_MFC_PAYLOAD(w, h) (NV12_MFC_Y_PAYLOAD(w, h) + MFC_PAD_SIZE + (MFC_ALIGN(w) * (h) / 2))
189
halfmt_plane_length(uint32_t fmt,unsigned int plane,uint32_t width,uint32_t height)190 size_t halfmt_plane_length(uint32_t fmt, unsigned int plane, uint32_t width, uint32_t height)
191 {
192 for (size_t i = 0; i < ARRSIZE(__halfmt_plane_bpp); i++) {
193 if (__halfmt_plane_bpp[i].fmt == fmt) {
194 LOGASSERT(plane < __halfmt_plane_bpp[i].bufcnt,
195 "Plane count of HAL format %#x is %u but %d plane is requested", fmt,
196 __halfmt_plane_bpp[i].bufcnt, plane);
197 if (plane < __halfmt_plane_bpp[i].bufcnt)
198 return (__halfmt_plane_bpp[i].bpp[plane] * width * height) / 8;
199 }
200 }
201
202 LOGASSERT(1, "Unable to find HAL format %#x with plane %d", fmt, plane);
203
204 return 0;
205 }
206
halfmt_bpp(uint32_t fmt)207 unsigned int halfmt_bpp(uint32_t fmt)
208 {
209 for (size_t i = 0 ; i < ARRSIZE(__halfmt_plane_bpp); i++) {
210 if (__halfmt_plane_bpp[i].fmt == fmt)
211 return __halfmt_plane_bpp[i].bpp[0] + __halfmt_plane_bpp[i].bpp[1] + __halfmt_plane_bpp[i].bpp[2];
212 }
213
214 LOGASSERT(1, "Unable to find HAL format %#x", fmt);
215
216 return 0;
217 }
218
219 #define DEFINE_HALFMT_PROPERTY_GETTER(rettype, funcname, member) \
220 rettype funcname(uint32_t fmt) \
221 { \
222 for (size_t i = 0 ; i < ARRSIZE(__halfmt_plane_bpp); i++) { \
223 if (__halfmt_plane_bpp[i].fmt == fmt) \
224 return __halfmt_plane_bpp[i].member; \
225 } \
226 LOGASSERT(1, "Unable to find HAL format %#x", fmt); \
227 return 0; \
228 }
229
230 DEFINE_HALFMT_PROPERTY_GETTER(unsigned int, halfmt_buf_count, bufcnt)
231 DEFINE_HALFMT_PROPERTY_GETTER(uint8_t, halfmt_chroma_subsampling, subfactor)
232 DEFINE_HALFMT_PROPERTY_GETTER(uint32_t, find_format_equivalent, equivalent)
233 DEFINE_HALFMT_PROPERTY_GETTER(uint8_t, halfmt_plane_count, planecnt)
234
235 static struct {
236 int32_t hal;
237 uint32_t v4l2;
238 } __haldataspace_to_v4l2[] = {
239 {HAL_DATASPACE_STANDARD_BT709 | HAL_DATASPACE_RANGE_FULL, V4L2_COLORSPACE_SRGB},
240 {HAL_DATASPACE_STANDARD_BT709 | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_REC709},
241 {HAL_DATASPACE_STANDARD_BT601_625 | HAL_DATASPACE_RANGE_FULL, V4L2_COLORSPACE_JPEG},
242 {HAL_DATASPACE_STANDARD_BT601_525 | HAL_DATASPACE_RANGE_FULL, V4L2_COLORSPACE_JPEG},
243 {HAL_DATASPACE_STANDARD_BT601_625 | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_SMPTE170M},
244 {HAL_DATASPACE_STANDARD_BT601_525 | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_SMPTE170M},
245 {HAL_DATASPACE_STANDARD_BT2020 | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_BT2020},
246 {HAL_DATASPACE_STANDARD_FILM | HAL_DATASPACE_RANGE_FULL, V4L2_COLORSPACE_SRGB},
247 {HAL_DATASPACE_STANDARD_FILM | HAL_DATASPACE_RANGE_LIMITED, V4L2_COLORSPACE_REC709},
248 {HAL_DATASPACE_SRGB, V4L2_COLORSPACE_SRGB},
249 {HAL_DATASPACE_JFIF, V4L2_COLORSPACE_JPEG},
250 {HAL_DATASPACE_BT601_525, V4L2_COLORSPACE_SMPTE170M},
251 {HAL_DATASPACE_BT601_625, V4L2_COLORSPACE_SMPTE170M},
252 {HAL_DATASPACE_BT709, V4L2_COLORSPACE_REC709},
253 };
254
255 #define HAL_DATASPACE_LEGACY_TYPE_MASK ((1 << HAL_DATASPACE_STANDARD_SHIFT) - 1)
256
haldataspace_to_v4l2(int dataspace,uint32_t width,uint32_t height)257 uint32_t haldataspace_to_v4l2(int dataspace, uint32_t width, uint32_t height)
258 {
259 // if legacy type, discard upper bits above 15th
260 if ((dataspace & HAL_DATASPACE_LEGACY_TYPE_MASK) != 0) {
261 dataspace &= HAL_DATASPACE_LEGACY_TYPE_MASK;
262 } else {
263 dataspace &= ~HAL_DATASPACE_LEGACY_TYPE_MASK;
264 // if Y value range is not specified, force it to the limited.
265 if ((dataspace & HAL_DATASPACE_RANGE_MASK) == 0)
266 dataspace |= HAL_DATASPACE_RANGE_LIMITED;
267 // if colorspace is not specified, force it to 709 or 601 according to the resolution
268 if ((dataspace & HAL_DATASPACE_STANDARD_MASK) == 0)
269 dataspace |= ((width * height) < (1280 * 720))
270 ? HAL_DATASPACE_STANDARD_BT601_625
271 : HAL_DATASPACE_STANDARD_BT709;
272 // discard transfer function type values because it is not required during color space conviersion
273 dataspace &= ~HAL_DATASPACE_TRANSFER_MASK;
274 }
275 for (size_t i = 0 ; i < ARRSIZE(__haldataspace_to_v4l2); i++) {
276 if (__haldataspace_to_v4l2[i].hal == dataspace)
277 return __haldataspace_to_v4l2[i].v4l2;
278 }
279
280 LOGASSERT(1, "Unable to find HAL dataspace value %#x", dataspace);
281
282 return V4L2_COLORSPACE_DEFAULT;
283 }
284