diff options
Diffstat (limited to 'drivers/media/platform/vivid/vivid-tpg.c')
| -rw-r--r-- | drivers/media/platform/vivid/vivid-tpg.c | 1082 |
1 files changed, 810 insertions, 272 deletions
diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index 34493f435d5a..cb766eb154e7 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/platform/vivid/vivid-tpg.c @@ -35,7 +35,10 @@ const char * const tpg_pattern_strings[] = { "100% Green", "100% Blue", "16x16 Checkers", + "2x2 Checkers", "1x1 Checkers", + "2x2 Red/Green Checkers", + "1x1 Red/Green Checkers", "Alternating Hor Lines", "Alternating Vert Lines", "One Pixel Wide Cross", @@ -120,15 +123,20 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w) tpg->max_line_width = max_w; for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) { for (plane = 0; plane < TPG_MAX_PLANES; plane++) { - unsigned pixelsz = plane ? 1 : 4; + unsigned pixelsz = plane ? 2 : 4; tpg->lines[pat][plane] = vzalloc(max_w * 2 * pixelsz); if (!tpg->lines[pat][plane]) return -ENOMEM; + if (plane == 0) + continue; + tpg->downsampled_lines[pat][plane] = vzalloc(max_w * 2 * pixelsz); + if (!tpg->downsampled_lines[pat][plane]) + return -ENOMEM; } } for (plane = 0; plane < TPG_MAX_PLANES; plane++) { - unsigned pixelsz = plane ? 1 : 4; + unsigned pixelsz = plane ? 2 : 4; tpg->contrast_line[plane] = vzalloc(max_w * pixelsz); if (!tpg->contrast_line[plane]) @@ -152,6 +160,10 @@ void tpg_free(struct tpg_data *tpg) for (plane = 0; plane < TPG_MAX_PLANES; plane++) { vfree(tpg->lines[pat][plane]); tpg->lines[pat][plane] = NULL; + if (plane == 0) + continue; + vfree(tpg->downsampled_lines[pat][plane]); + tpg->downsampled_lines[pat][plane] = NULL; } for (plane = 0; plane < TPG_MAX_PLANES; plane++) { vfree(tpg->contrast_line[plane]); @@ -167,14 +179,38 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) { tpg->fourcc = fourcc; tpg->planes = 1; + tpg->buffers = 1; tpg->recalc_colors = true; + tpg->interleaved = false; + tpg->vdownsampling[0] = 1; + tpg->hdownsampling[0] = 1; + tpg->hmask[0] = ~0; + tpg->hmask[1] = ~0; + tpg->hmask[2] = ~0; + switch (fourcc) { + case V4L2_PIX_FMT_SBGGR8: + case V4L2_PIX_FMT_SGBRG8: + case V4L2_PIX_FMT_SGRBG8: + case V4L2_PIX_FMT_SRGGB8: + tpg->interleaved = true; + tpg->vdownsampling[1] = 1; + tpg->hdownsampling[1] = 1; + tpg->planes = 2; + /* fall through */ + case V4L2_PIX_FMT_RGB332: case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_RGB565X: + case V4L2_PIX_FMT_RGB444: + case V4L2_PIX_FMT_XRGB444: + case V4L2_PIX_FMT_ARGB444: case V4L2_PIX_FMT_RGB555: case V4L2_PIX_FMT_XRGB555: case V4L2_PIX_FMT_ARGB555: case V4L2_PIX_FMT_RGB555X: + case V4L2_PIX_FMT_XRGB555X: + case V4L2_PIX_FMT_ARGB555X: + case V4L2_PIX_FMT_BGR666: case V4L2_PIX_FMT_RGB24: case V4L2_PIX_FMT_BGR24: case V4L2_PIX_FMT_RGB32: @@ -183,16 +219,72 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) case V4L2_PIX_FMT_XBGR32: case V4L2_PIX_FMT_ARGB32: case V4L2_PIX_FMT_ABGR32: + case V4L2_PIX_FMT_GREY: tpg->is_yuv = false; break; + case V4L2_PIX_FMT_YUV444: + case V4L2_PIX_FMT_YUV555: + case V4L2_PIX_FMT_YUV565: + case V4L2_PIX_FMT_YUV32: + tpg->is_yuv = true; + break; + case V4L2_PIX_FMT_YUV420M: + case V4L2_PIX_FMT_YVU420M: + tpg->buffers = 3; + /* fall through */ + case V4L2_PIX_FMT_YUV420: + case V4L2_PIX_FMT_YVU420: + tpg->vdownsampling[1] = 2; + tpg->vdownsampling[2] = 2; + tpg->hdownsampling[1] = 2; + tpg->hdownsampling[2] = 2; + tpg->planes = 3; + tpg->is_yuv = true; + break; + case V4L2_PIX_FMT_YUV422P: + tpg->vdownsampling[1] = 1; + tpg->vdownsampling[2] = 1; + tpg->hdownsampling[1] = 2; + tpg->hdownsampling[2] = 2; + tpg->planes = 3; + tpg->is_yuv = true; + break; case V4L2_PIX_FMT_NV16M: case V4L2_PIX_FMT_NV61M: + tpg->buffers = 2; + /* fall through */ + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV61: + tpg->vdownsampling[1] = 1; + tpg->hdownsampling[1] = 1; + tpg->hmask[1] = ~1; tpg->planes = 2; - /* fall-through */ + tpg->is_yuv = true; + break; + case V4L2_PIX_FMT_NV12M: + case V4L2_PIX_FMT_NV21M: + tpg->buffers = 2; + /* fall through */ + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + tpg->vdownsampling[1] = 2; + tpg->hdownsampling[1] = 1; + tpg->hmask[1] = ~1; + tpg->planes = 2; + tpg->is_yuv = true; + break; + case V4L2_PIX_FMT_NV24: + case V4L2_PIX_FMT_NV42: + tpg->vdownsampling[1] = 1; + tpg->hdownsampling[1] = 1; + tpg->planes = 2; + tpg->is_yuv = true; + break; case V4L2_PIX_FMT_YUYV: case V4L2_PIX_FMT_UYVY: case V4L2_PIX_FMT_YVYU: case V4L2_PIX_FMT_VYUY: + tpg->hmask[0] = ~1; tpg->is_yuv = true; break; default: @@ -200,35 +292,75 @@ bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) } switch (fourcc) { + case V4L2_PIX_FMT_RGB332: + tpg->twopixelsize[0] = 2; + break; case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_RGB565X: + case V4L2_PIX_FMT_RGB444: + case V4L2_PIX_FMT_XRGB444: + case V4L2_PIX_FMT_ARGB444: case V4L2_PIX_FMT_RGB555: case V4L2_PIX_FMT_XRGB555: case V4L2_PIX_FMT_ARGB555: case V4L2_PIX_FMT_RGB555X: + case V4L2_PIX_FMT_XRGB555X: + case V4L2_PIX_FMT_ARGB555X: case V4L2_PIX_FMT_YUYV: case V4L2_PIX_FMT_UYVY: case V4L2_PIX_FMT_YVYU: case V4L2_PIX_FMT_VYUY: + case V4L2_PIX_FMT_YUV444: + case V4L2_PIX_FMT_YUV555: + case V4L2_PIX_FMT_YUV565: tpg->twopixelsize[0] = 2 * 2; break; case V4L2_PIX_FMT_RGB24: case V4L2_PIX_FMT_BGR24: tpg->twopixelsize[0] = 2 * 3; break; + case V4L2_PIX_FMT_BGR666: case V4L2_PIX_FMT_RGB32: case V4L2_PIX_FMT_BGR32: case V4L2_PIX_FMT_XRGB32: case V4L2_PIX_FMT_XBGR32: case V4L2_PIX_FMT_ARGB32: case V4L2_PIX_FMT_ABGR32: + case V4L2_PIX_FMT_YUV32: tpg->twopixelsize[0] = 2 * 4; break; + case V4L2_PIX_FMT_GREY: + tpg->twopixelsize[0] = 2; + break; + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV21: + case V4L2_PIX_FMT_NV12M: + case V4L2_PIX_FMT_NV21M: + case V4L2_PIX_FMT_NV16: + case V4L2_PIX_FMT_NV61: case V4L2_PIX_FMT_NV16M: case V4L2_PIX_FMT_NV61M: + case V4L2_PIX_FMT_SBGGR8: + case V4L2_PIX_FMT_SGBRG8: + case V4L2_PIX_FMT_SGRBG8: + case V4L2_PIX_FMT_SRGGB8: tpg->twopixelsize[0] = 2; tpg->twopixelsize[1] = 2; break; + case V4L2_PIX_FMT_YUV422P: + case V4L2_PIX_FMT_YUV420: + case V4L2_PIX_FMT_YVU420: + case V4L2_PIX_FMT_YUV420M: + case V4L2_PIX_FMT_YVU420M: + tpg->twopixelsize[0] = 2; + tpg->twopixelsize[1] = 2; + tpg->twopixelsize[2] = 2; + break; + case V4L2_PIX_FMT_NV24: + case V4L2_PIX_FMT_NV42: + tpg->twopixelsize[0] = 2; + tpg->twopixelsize[1] = 4; + break; } return true; } @@ -267,7 +399,8 @@ void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, tpg->compose.width = width; tpg->compose.height = tpg->buf_height; for (p = 0; p < tpg->planes; p++) - tpg->bytesperline[p] = width * tpg->twopixelsize[p] / 2; + tpg->bytesperline[p] = (width * tpg->twopixelsize[p]) / + (2 * tpg->hdownsampling[p]); tpg->recalc_square_border = true; } @@ -347,9 +480,9 @@ static void color_to_ycbcr(struct tpg_data *tpg, int r, int g, int b, { COEFF(0.5, 224), COEFF(-0.445, 224), COEFF(-0.055, 224) }, }; static const int bt2020[3][3] = { - { COEFF(0.2726, 219), COEFF(0.6780, 219), COEFF(0.0593, 219) }, + { COEFF(0.2627, 219), COEFF(0.6780, 219), COEFF(0.0593, 219) }, { COEFF(-0.1396, 224), COEFF(-0.3604, 224), COEFF(0.5, 224) }, - { COEFF(0.5, 224), COEFF(-0.4629, 224), COEFF(-0.0405, 224) }, + { COEFF(0.5, 224), COEFF(-0.4598, 224), COEFF(-0.0402, 224) }, }; bool full = tpg->real_quantization == V4L2_QUANTIZATION_FULL_RANGE; unsigned y_offset = full ? 0 : 16; @@ -524,10 +657,10 @@ static void precalculate_color(struct tpg_data *tpg, int k) g <<= 4; b <<= 4; } - if (tpg->qual == TPG_QUAL_GRAY) { + if (tpg->qual == TPG_QUAL_GRAY || tpg->fourcc == V4L2_PIX_FMT_GREY) { /* Rec. 709 Luma function */ /* (0.2126, 0.7152, 0.0722) * (255 * 256) */ - r = g = b = ((13879 * r + 46688 * g + 4713 * b) >> 16) + (16 << 4); + r = g = b = (13879 * r + 46688 * g + 4713 * b) >> 16; } /* @@ -601,9 +734,29 @@ static void precalculate_color(struct tpg_data *tpg, int k) cb = clamp(cb, 16 << 4, 240 << 4); cr = clamp(cr, 16 << 4, 240 << 4); } - tpg->colors[k][0] = clamp(y >> 4, 1, 254); - tpg->colors[k][1] = clamp(cb >> 4, 1, 254); - tpg->colors[k][2] = clamp(cr >> 4, 1, 254); + y = clamp(y >> 4, 1, 254); + cb = clamp(cb >> 4, 1, 254); + cr = clamp(cr >> 4, 1, 254); + switch (tpg->fourcc) { + case V4L2_PIX_FMT_YUV444: + y >>= 4; + cb >>= 4; + cr >>= 4; + break; + case V4L2_PIX_FMT_YUV555: + y >>= 3; + cb >>= 3; + cr >>= 3; + break; + case V4L2_PIX_FMT_YUV565: + y >>= 3; + cb >>= 2; + cr >>= 3; + break; + } + tpg->colors[k][0] = y; + tpg->colors[k][1] = cb; + tpg->colors[k][2] = cr; } else { if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) { r = (r * 219) / 255 + (16 << 4); @@ -611,20 +764,39 @@ static void precalculate_color(struct tpg_data *tpg, int k) b = (b * 219) / 255 + (16 << 4); } switch (tpg->fourcc) { + case V4L2_PIX_FMT_RGB332: + r >>= 9; + g >>= 9; + b >>= 10; + break; case V4L2_PIX_FMT_RGB565: case V4L2_PIX_FMT_RGB565X: r >>= 7; g >>= 6; b >>= 7; break; + case V4L2_PIX_FMT_RGB444: + case V4L2_PIX_FMT_XRGB444: + case V4L2_PIX_FMT_ARGB444: + r >>= 8; + g >>= 8; + b >>= 8; + break; case V4L2_PIX_FMT_RGB555: case V4L2_PIX_FMT_XRGB555: case V4L2_PIX_FMT_ARGB555: case V4L2_PIX_FMT_RGB555X: + case V4L2_PIX_FMT_XRGB555X: + case V4L2_PIX_FMT_ARGB555X: r >>= 7; g >>= 7; b >>= 7; break; + case V4L2_PIX_FMT_BGR666: + r >>= 6; + g >>= 6; + b >>= 6; + break; default: r >>= 4; g >>= 4; @@ -665,31 +837,120 @@ static void gen_twopix(struct tpg_data *tpg, b_v = tpg->colors[color][2]; /* B or precalculated V */ switch (tpg->fourcc) { + case V4L2_PIX_FMT_GREY: + buf[0][offset] = r_y; + break; + case V4L2_PIX_FMT_YUV422P: + case V4L2_PIX_FMT_YUV420: + case V4L2_PIX_FMT_YUV420M: + buf[0][offset] = r_y; + if (odd) { + buf[1][0] = (buf[1][0] + g_u) / 2; + buf[2][0] = (buf[2][0] + b_v) / 2; + buf[1][1] = buf[1][0]; + buf[2][1] = buf[2][0]; + break; + } + buf[1][0] = g_u; + buf[2][0] = b_v; + break; + case V4L2_PIX_FMT_YVU420: + case V4L2_PIX_FMT_YVU420M: + buf[0][offset] = r_y; + if (odd) { + buf[1][0] = (buf[1][0] + b_v) / 2; + buf[2][0] = (buf[2][0] + g_u) / 2; + buf[1][1] = buf[1][0]; + buf[2][1] = buf[2][0]; + break; + } + buf[1][0] = b_v; + buf[2][0] = g_u; + break; + + case V4L2_PIX_FMT_NV12: + case V4L2_PIX_FMT_NV12M: + case V4L2_PIX_FMT_NV16: case V4L2_PIX_FMT_NV16M: buf[0][offset] = r_y; - buf[1][offset] = odd ? b_v : g_u; + if (odd) { + buf[1][0] = (buf[1][0] + g_u) / 2; + buf[1][1] = (buf[1][1] + b_v) / 2; + break; + } + buf[1][0] = g_u; + buf[1][1] = b_v; break; + case V4L2_PIX_FMT_NV21: + case V4L2_PIX_FMT_NV21M: + case V4L2_PIX_FMT_NV61: case V4L2_PIX_FMT_NV61M: buf[0][offset] = r_y; - buf[1][offset] = odd ? g_u : b_v; + if (odd) { + buf[1][0] = (buf[1][0] + b_v) / 2; + buf[1][1] = (buf[1][1] + g_u) / 2; + break; + } + buf[1][0] = b_v; + buf[1][1] = g_u; + break; + + case V4L2_PIX_FMT_NV24: + buf[0][offset] = r_y; + buf[1][2 * offset] = g_u; + buf[1][2 * offset + 1] = b_v; + break; + + case V4L2_PIX_FMT_NV42: + buf[0][offset] = r_y; + buf[1][2 * offset] = b_v; + buf[1][2 * offset + 1] = g_u; break; case V4L2_PIX_FMT_YUYV: buf[0][offset] = r_y; - buf[0][offset + 1] = odd ? b_v : g_u; + if (odd) { + buf[0][1] = (buf[0][1] + g_u) / 2; + buf[0][3] = (buf[0][3] + b_v) / 2; + break; + } + buf[0][1] = g_u; + buf[0][3] = b_v; break; case V4L2_PIX_FMT_UYVY: - buf[0][offset] = odd ? b_v : g_u; buf[0][offset + 1] = r_y; + if (odd) { + buf[0][0] = (buf[0][0] + g_u) / 2; + buf[0][2] = (buf[0][2] + b_v) / 2; + break; + } + buf[0][0] = g_u; + buf[0][2] = b_v; break; case V4L2_PIX_FMT_YVYU: buf[0][offset] = r_y; - buf[0][offset + 1] = odd ? g_u : b_v; + if (odd) { + buf[0][1] = (buf[0][1] + b_v) / 2; + buf[0][3] = (buf[0][3] + g_u) / 2; + break; + } + buf[0][1] = b_v; + buf[0][3] = g_u; break; case V4L2_PIX_FMT_VYUY: - buf[0][offset] = odd ? g_u : b_v; buf[0][offset + 1] = r_y; + if (odd) { + buf[0][0] = (buf[0][0] + b_v) / 2; + buf[0][2] = (buf[0][2] + g_u) / 2; + break; + } + buf[0][0] = b_v; + buf[0][2] = g_u; + break; + case V4L2_PIX_FMT_RGB332: + buf[0][offset] = (r_y << 5) | (g_u << 2) | b_v; break; + case V4L2_PIX_FMT_YUV565: case V4L2_PIX_FMT_RGB565: buf[0][offset] = (g_u << 5) | b_v; buf[0][offset + 1] = (r_y << 3) | (g_u >> 3); @@ -698,15 +959,29 @@ static void gen_twopix(struct tpg_data *tpg, buf[0][offset] = (r_y << 3) | (g_u >> 3); buf[0][offset + 1] = (g_u << 5) | b_v; break; + case V4L2_PIX_FMT_RGB444: + case V4L2_PIX_FMT_XRGB444: + alpha = 0; + /* fall through */ + case V4L2_PIX_FMT_YUV444: + case V4L2_PIX_FMT_ARGB444: + buf[0][offset] = (g_u << 4) | b_v; + buf[0][offset + 1] = (alpha & 0xf0) | r_y; + break; case V4L2_PIX_FMT_RGB555: case V4L2_PIX_FMT_XRGB555: alpha = 0; /* fall through */ + case V4L2_PIX_FMT_YUV555: case V4L2_PIX_FMT_ARGB555: buf[0][offset] = (g_u << 5) | b_v; buf[0][offset + 1] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3); break; case V4L2_PIX_FMT_RGB555X: + case V4L2_PIX_FMT_XRGB555X: + alpha = 0; + /* fall through */ + case V4L2_PIX_FMT_ARGB555X: buf[0][offset] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3); buf[0][offset + 1] = (g_u << 5) | b_v; break; @@ -720,10 +995,17 @@ static void gen_twopix(struct tpg_data *tpg, buf[0][offset + 1] = g_u; buf[0][offset + 2] = r_y; break; + case V4L2_PIX_FMT_BGR666: + buf[0][offset] = (b_v << 2) | (g_u >> 4); + buf[0][offset + 1] = (g_u << 4) | (r_y >> 2); + buf[0][offset + 2] = r_y << 6; + buf[0][offset + 3] = 0; + break; case V4L2_PIX_FMT_RGB32: case V4L2_PIX_FMT_XRGB32: alpha = 0; /* fall through */ + case V4L2_PIX_FMT_YUV32: case V4L2_PIX_FMT_ARGB32: buf[0][offset] = alpha; buf[0][offset + 1] = r_y; @@ -740,15 +1022,47 @@ static void gen_twopix(struct tpg_data *tpg, buf[0][offset + 2] = r_y; buf[0][offset + 3] = alpha; break; + case V4L2_PIX_FMT_SBGGR8: + buf[0][offset] = odd ? g_u : b_v; + buf[1][offset] = odd ? r_y : g_u; + break; + case V4L2_PIX_FMT_SGBRG8: + buf[0][offset] = odd ? b_v : g_u; + buf[1][offset] = odd ? g_u : r_y; + break; + case V4L2_PIX_FMT_SGRBG8: + buf[0][offset] = odd ? r_y : g_u; + buf[1][offset] = odd ? g_u : b_v; + break; + case V4L2_PIX_FMT_SRGGB8: + buf[0][offset] = odd ? g_u : r_y; + buf[1][offset] = odd ? b_v : g_u; + break; + } +} + +unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line) +{ + switch (tpg->fourcc) { + case V4L2_PIX_FMT_SBGGR8: + case V4L2_PIX_FMT_SGBRG8: + case V4L2_PIX_FMT_SGRBG8: + case V4L2_PIX_FMT_SRGGB8: + return buf_line & 1; + default: + return 0; } } /* Return how many pattern lines are used by the current pattern. */ -static unsigned tpg_get_pat_lines(struct tpg_data *tpg) +static unsigned tpg_get_pat_lines(const struct tpg_data *tpg) { switch (tpg->pattern) { case TPG_PAT_CHECKERS_16X16: + case TPG_PAT_CHECKERS_2X2: case TPG_PAT_CHECKERS_1X1: + case TPG_PAT_COLOR_CHECKERS_2X2: + case TPG_PAT_COLOR_CHECKERS_1X1: case TPG_PAT_ALTERNATING_HLINES: case TPG_PAT_CROSS_1_PIXEL: case TPG_PAT_CROSS_2_PIXELS: @@ -763,14 +1077,18 @@ static unsigned tpg_get_pat_lines(struct tpg_data *tpg) } /* Which pattern line should be used for the given frame line. */ -static unsigned tpg_get_pat_line(struct tpg_data *tpg, unsigned line) +static unsigned tpg_get_pat_line(const struct tpg_data *tpg, unsigned line) { switch (tpg->pattern) { case TPG_PAT_CHECKERS_16X16: return (line >> 4) & 1; case TPG_PAT_CHECKERS_1X1: + case TPG_PAT_COLOR_CHECKERS_1X1: case TPG_PAT_ALTERNATING_HLINES: return line & 1; + case TPG_PAT_CHECKERS_2X2: + case TPG_PAT_COLOR_CHECKERS_2X2: + return (line & 2) >> 1; case TPG_PAT_100_COLORSQUARES: case TPG_PAT_100_HCOLORBAR: return (line * 8) / tpg->src_height; @@ -789,7 +1107,8 @@ static unsigned tpg_get_pat_line(struct tpg_data *tpg, unsigned line) * Which color should be used for the given pattern line and X coordinate. * Note: x is in the range 0 to 2 * tpg->src_width. */ -static enum tpg_color tpg_get_color(struct tpg_data *tpg, unsigned pat_line, unsigned x) +static enum tpg_color tpg_get_color(const struct tpg_data *tpg, + unsigned pat_line, unsigned x) { /* Maximum number of bars are TPG_COLOR_MAX - otherwise, the input print code should be modified */ @@ -836,6 +1155,15 @@ static enum tpg_color tpg_get_color(struct tpg_data *tpg, unsigned pat_line, uns case TPG_PAT_CHECKERS_1X1: return ((x & 1) ^ (pat_line & 1)) ? TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; + case TPG_PAT_COLOR_CHECKERS_1X1: + return ((x & 1) ^ (pat_line & 1)) ? + TPG_COLOR_100_RED : TPG_COLOR_100_BLUE; + case TPG_PAT_CHECKERS_2X2: + return (((x >> 1) & 1) ^ (pat_line & 1)) ? + TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; + case TPG_PAT_COLOR_CHECKERS_2X2: + return (((x >> 1) & 1) ^ (pat_line & 1)) ? + TPG_COLOR_100_RED : TPG_COLOR_100_BLUE; case TPG_PAT_ALTERNATING_HLINES: return pat_line ? TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; case TPG_PAT_ALTERNATING_VLINES: @@ -948,6 +1276,7 @@ static void tpg_calculate_square_border(struct tpg_data *tpg) static void tpg_precalculate_line(struct tpg_data *tpg) { enum tpg_color contrast; + u8 pix[TPG_MAX_PLANES][8]; unsigned pat; unsigned p; unsigned x; @@ -974,7 +1303,6 @@ static void tpg_precalculate_line(struct tpg_data *tpg) for (x = 0; x < tpg->scaled_width * 2; x += 2) { unsigned real_x = src_x; enum tpg_color color1, color2; - u8 pix[TPG_MAX_PLANES][8]; real_x = tpg->hflip ? tpg->src_width * 2 - real_x - 2 : real_x; color1 = tpg_get_color(tpg, pat, real_x); @@ -1001,39 +1329,53 @@ static void tpg_precalculate_line(struct tpg_data *tpg) gen_twopix(tpg, pix, tpg->hflip ? color1 : color2, 1); for (p = 0; p < tpg->planes; p++) { unsigned twopixsize = tpg->twopixelsize[p]; - u8 *pos = tpg->lines[pat][p] + x * twopixsize / 2; + unsigned hdiv = tpg->hdownsampling[p]; + u8 *pos = tpg->lines[pat][p] + tpg_hdiv(tpg, p, x); - memcpy(pos, pix[p], twopixsize); + memcpy(pos, pix[p], twopixsize / hdiv); } } } - for (x = 0; x < tpg->scaled_width; x += 2) { - u8 pix[TPG_MAX_PLANES][8]; - gen_twopix(tpg, pix, contrast, 0); - gen_twopix(tpg, pix, contrast, 1); - for (p = 0; p < tpg->planes; p++) { - unsigned twopixsize = tpg->twopixelsize[p]; - u8 *pos = tpg->contrast_line[p] + x * twopixsize / 2; + if (tpg->vdownsampling[tpg->planes - 1] > 1) { + unsigned pat_lines = tpg_get_pat_lines(tpg); - memcpy(pos, pix[p], twopixsize); + for (pat = 0; pat < pat_lines; pat++) { + unsigned next_pat = (pat + 1) % pat_lines; + + for (p = 1; p < tpg->planes; p++) { + unsigned w = tpg_hdiv(tpg, p, tpg->scaled_width * 2); + u8 *pos1 = tpg->lines[pat][p]; + u8 *pos2 = tpg->lines[next_pat][p]; + u8 *dest = tpg->downsampled_lines[pat][p]; + + for (x = 0; x < w; x++, pos1++, pos2++, dest++) + *dest = ((u16)*pos1 + (u16)*pos2) / 2; + } } } - for (x = 0; x < tpg->scaled_width; x += 2) { - u8 pix[TPG_MAX_PLANES][8]; - gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 0); - gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 1); - for (p = 0; p < tpg->planes; p++) { - unsigned twopixsize = tpg->twopixelsize[p]; - u8 *pos = tpg->black_line[p] + x * twopixsize / 2; + gen_twopix(tpg, pix, contrast, 0); + gen_twopix(tpg, pix, contrast, 1); + for (p = 0; p < tpg->planes; p++) { + unsigned twopixsize = tpg->twopixelsize[p]; + u8 *pos = tpg->contrast_line[p]; + for (x = 0; x < tpg->scaled_width; x += 2, pos += twopixsize) + memcpy(pos, pix[p], twopixsize); + } + + gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 0); + gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 1); + for (p = 0; p < tpg->planes; p++) { + unsigned twopixsize = tpg->twopixelsize[p]; + u8 *pos = tpg->black_line[p]; + + for (x = 0; x < tpg->scaled_width; x += 2, pos += twopixsize) memcpy(pos, pix[p], twopixsize); - } } - for (x = 0; x < tpg->scaled_width * 2; x += 2) { - u8 pix[TPG_MAX_PLANES][8]; + for (x = 0; x < tpg->scaled_width * 2; x += 2) { gen_twopix(tpg, pix, TPG_COLOR_RANDOM, 0); gen_twopix(tpg, pix, TPG_COLOR_RANDOM, 1); for (p = 0; p < tpg->planes; p++) { @@ -1043,6 +1385,7 @@ static void tpg_precalculate_line(struct tpg_data *tpg) memcpy(pos, pix[p], twopixsize); } } + gen_twopix(tpg, tpg->textbg, TPG_COLOR_TEXTBG, 0); gen_twopix(tpg, tpg->textbg, TPG_COLOR_TEXTBG, 1); gen_twopix(tpg, tpg->textfg, TPG_COLOR_TEXTFG, 0); @@ -1052,8 +1395,8 @@ static void tpg_precalculate_line(struct tpg_data *tpg) /* need this to do rgb24 rendering */ typedef struct { u16 __; u8 _; } __packed x24; -void tpg_gen_text(struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], - int y, int x, char *text) +void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], + int y, int x, char *text) { int line; unsigned step = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1; @@ -1083,24 +1426,37 @@ void tpg_gen_text(struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], div = 2; for (p = 0; p < tpg->planes; p++) { - /* Print stream time */ + unsigned vdiv = tpg->vdownsampling[p]; + unsigned hdiv = tpg->hdownsampling[p]; + + /* Print text */ #define PRINTSTR(PIXTYPE) do { \ PIXTYPE fg; \ PIXTYPE bg; \ memcpy(&fg, tpg->textfg[p], sizeof(PIXTYPE)); \ memcpy(&bg, tpg->textbg[p], sizeof(PIXTYPE)); \ \ - for (line = first; line < 16; line += step) { \ + for (line = first; line < 16; line += vdiv * step) { \ int l = tpg->vflip ? 15 - line : line; \ - PIXTYPE *pos = (PIXTYPE *)(basep[p][line & 1] + \ - ((y * step + l) / div) * tpg->bytesperline[p] + \ - x * sizeof(PIXTYPE)); \ + PIXTYPE *pos = (PIXTYPE *)(basep[p][(line / vdiv) & 1] + \ + ((y * step + l) / (vdiv * div)) * tpg->bytesperline[p] + \ + (x / hdiv) * sizeof(PIXTYPE)); \ unsigned s; \ \ for (s = 0; s < len; s++) { \ u8 chr = font8x16[text[s] * 16 + line]; \ \ - if (tpg->hflip) { \ + if (hdiv == 2 && tpg->hflip) { \ + pos[3] = (chr & (0x01 << 6) ? fg : bg); \ + pos[2] = (chr & (0x01 << 4) ? fg : bg); \ + pos[1] = (chr & (0x01 << 2) ? fg : bg); \ + pos[0] = (chr & (0x01 << 0) ? fg : bg); \ + } else if (hdiv == 2) { \ + pos[0] = (chr & (0x01 << 7) ? fg : bg); \ + pos[1] = (chr & (0x01 << 5) ? fg : bg); \ + pos[2] = (chr & (0x01 << 3) ? fg : bg); \ + pos[3] = (chr & (0x01 << 1) ? fg : bg); \ + } else if (tpg->hflip) { \ pos[7] = (chr & (0x01 << 7) ? fg : bg); \ pos[6] = (chr & (0x01 << 6) ? fg : bg); \ pos[5] = (chr & (0x01 << 5) ? fg : bg); \ @@ -1120,7 +1476,7 @@ void tpg_gen_text(struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], pos[7] = (chr & (0x01 << 0) ? fg : bg); \ } \ \ - pos += tpg->hflip ? -8 : 8; \ + pos += (tpg->hflip ? -8 : 8) / hdiv; \ } \ } \ } while (0) @@ -1187,7 +1543,7 @@ void tpg_update_mv_step(struct tpg_data *tpg) } /* Map the line number relative to the crop rectangle to a frame line number */ -static unsigned tpg_calc_frameline(struct tpg_data *tpg, unsigned src_y, +static unsigned tpg_calc_frameline(const struct tpg_data *tpg, unsigned src_y, unsigned field) { switch (field) { @@ -1204,7 +1560,7 @@ static unsigned tpg_calc_frameline(struct tpg_data *tpg, unsigned src_y, * Map the line number relative to the compose rectangle to a destination * buffer line number. */ -static unsigned tpg_calc_buffer_line(struct tpg_data *tpg, unsigned y, +static unsigned tpg_calc_buffer_line(const struct tpg_data *tpg, unsigned y, unsigned field) { y += tpg->compose.top; @@ -1265,6 +1621,10 @@ static void tpg_recalc(struct tpg_data *tpg) V4L2_QUANTIZATION_LIM_RANGE; break; } + } else if (tpg->colorspace == V4L2_COLORSPACE_BT2020) { + /* R'G'B' BT.2020 is limited range */ + tpg->real_quantization = + V4L2_QUANTIZATION_LIM_RANGE; } } tpg_precalculate_colors(tpg); @@ -1283,191 +1643,388 @@ void tpg_calc_text_basep(struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf) { unsigned stride = tpg->bytesperline[p]; + unsigned h = tpg->buf_height; tpg_recalc(tpg); basep[p][0] = vbuf; basep[p][1] = vbuf; + h /= tpg->vdownsampling[p]; if (tpg->field == V4L2_FIELD_SEQ_TB) - basep[p][1] += tpg->buf_height * stride / 2; + basep[p][1] += h * stride / 2; else if (tpg->field == V4L2_FIELD_SEQ_BT) - basep[p][0] += tpg->buf_height * stride / 2; + basep[p][0] += h * stride / 2; + if (p == 0 && tpg->interleaved) + tpg_calc_text_basep(tpg, basep, 1, vbuf); } -void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf) +static int tpg_pattern_avg(const struct tpg_data *tpg, + unsigned pat1, unsigned pat2) { - bool is_tv = std; - bool is_60hz = is_tv && (std & V4L2_STD_525_60); - unsigned mv_hor_old = tpg->mv_hor_count % tpg->src_width; - unsigned mv_hor_new = (tpg->mv_hor_count + tpg->mv_hor_step) % tpg->src_width; - unsigned mv_vert_old = tpg->mv_vert_count % tpg->src_height; - unsigned mv_vert_new = (tpg->mv_vert_count + tpg->mv_vert_step) % tpg->src_height; + unsigned pat_lines = tpg_get_pat_lines(tpg); + + if (pat1 == (pat2 + 1) % pat_lines) + return pat2; + if (pat2 == (pat1 + 1) % pat_lines) + return pat1; + return -1; +} + +/* + * This struct contains common parameters used by both the drawing of the + * test pattern and the drawing of the extras (borders, square, etc.) + */ +struct tpg_draw_params { + /* common data */ + bool is_tv; + bool is_60hz; + unsigned twopixsize; + unsigned img_width; + unsigned stride; + unsigned hmax; + unsigned frame_line; + unsigned frame_line_next; + + /* test pattern */ + unsigned mv_hor_old; + unsigned mv_hor_new; + unsigned mv_vert_old; + unsigned mv_vert_new; + + /* extras */ unsigned wss_width; - unsigned f; - int hmax = (tpg->compose.height * tpg->perc_fill) / 100; - int h; - unsigned twopixsize = tpg->twopixelsize[p]; - unsigned img_width = tpg->compose.width * twopixsize / 2; - unsigned line_offset; - unsigned left_pillar_width = 0; - unsigned right_pillar_start = img_width; - unsigned stride = tpg->bytesperline[p]; - unsigned factor = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1; - u8 *orig_vbuf = vbuf; + unsigned wss_random_offset; + unsigned sav_eav_f; + unsigned left_pillar_width; + unsigned right_pillar_start; +}; - /* Coarse scaling with Bresenham */ - unsigned int_part = (tpg->crop.height / factor) / tpg->compose.height; - unsigned fract_part = (tpg->crop.height / factor) % tpg->compose.height; - unsigned src_y = 0; - unsigned error = 0; +static void tpg_fill_params_pattern(const struct tpg_data *tpg, unsigned p, + struct tpg_draw_params *params) +{ + params->mv_hor_old = + tpg_hscale_div(tpg, p, tpg->mv_hor_count % tpg->src_width); + params->mv_hor_new = + tpg_hscale_div(tpg, p, (tpg->mv_hor_count + tpg->mv_hor_step) % + tpg->src_width); + params->mv_vert_old = tpg->mv_vert_count % tpg->src_height; + params->mv_vert_new = + (tpg->mv_vert_count + tpg->mv_vert_step) % tpg->src_height; +} - tpg_recalc(tpg); +static void tpg_fill_params_extras(const struct tpg_data *tpg, + unsigned p, + struct tpg_draw_params *params) +{ + unsigned left_pillar_width = 0; + unsigned right_pillar_start = params->img_width; + + params->wss_width = tpg->crop.left < tpg->src_width / 2 ? + tpg->src_width / 2 - tpg->crop.left : 0; + if (params->wss_width > tpg->crop.width) + params->wss_width = tpg->crop.width; + params->wss_width = tpg_hscale_div(tpg, p, params->wss_width); + params->wss_random_offset = + params->twopixsize * prandom_u32_max(tpg->src_width / 2); - mv_hor_old = (mv_hor_old * tpg->scaled_width / tpg->src_width) & ~1; - mv_hor_new = (mv_hor_new * tpg->scaled_width / tpg->src_width) & ~1; - wss_width = tpg->crop.left < tpg->src_width / 2 ? - tpg->src_width / 2 - tpg->crop.left : 0; - if (wss_width > tpg->crop.width) - wss_width = tpg->crop.width; - wss_width = wss_width * tpg->scaled_width / tpg->src_width; - - vbuf += tpg->compose.left * twopixsize / 2; - line_offset = tpg->crop.left * tpg->scaled_width / tpg->src_width; - line_offset = (line_offset & ~1) * twopixsize / 2; if (tpg->crop.left < tpg->border.left) { left_pillar_width = tpg->border.left - tpg->crop.left; if (left_pillar_width > tpg->crop.width) left_pillar_width = tpg->crop.width; - left_pillar_width = (left_pillar_width * tpg->scaled_width) / tpg->src_width; - left_pillar_width = (left_pillar_width & ~1) * twopixsize / 2; + left_pillar_width = tpg_hscale_div(tpg, p, left_pillar_width); } - if (tpg->crop.left + tpg->crop.width > tpg->border.left + tpg->border.width) { - right_pillar_start = tpg->border.left + tpg->border.width - tpg->crop.left; - right_pillar_start = (right_pillar_start * tpg->scaled_width) / tpg->src_width; - right_pillar_start = (right_pillar_start & ~1) * twopixsize / 2; - if (right_pillar_start > img_width) - right_pillar_start = img_width; + params->left_pillar_width = left_pillar_width; + + if (tpg->crop.left + tpg->crop.width > + tpg->border.left + tpg->border.width) { + right_pillar_start = + tpg->border.left + tpg->border.width - tpg->crop.left; + right_pillar_start = + tpg_hscale_div(tpg, p, right_pillar_start); + if (right_pillar_start > params->img_width) + right_pillar_start = params->img_width; } + params->right_pillar_start = right_pillar_start; - f = tpg->field == (is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); + params->sav_eav_f = tpg->field == + (params->is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); +} - for (h = 0; h < tpg->compose.height; h++) { - bool even; - bool fill_blank = false; - unsigned frame_line; - unsigned buf_line; - unsigned pat_line_old; - unsigned pat_line_new; - u8 *linestart_older; - u8 *linestart_newer; - u8 *linestart_top; - u8 *linestart_bottom; - - frame_line = tpg_calc_frameline(tpg, src_y, tpg->field); - even = !(frame_line & 1); - buf_line = tpg_calc_buffer_line(tpg, h, tpg->field); - src_y += int_part; - error += fract_part; - if (error >= tpg->compose.height) { - error -= tpg->compose.height; - src_y++; - } +static void tpg_fill_plane_extras(const struct tpg_data *tpg, + const struct tpg_draw_params *params, + unsigned p, unsigned h, u8 *vbuf) +{ + unsigned twopixsize = params->twopixsize; + unsigned img_width = params->img_width; + unsigned frame_line = params->frame_line; + const struct v4l2_rect *sq = &tpg->square; + const struct v4l2_rect *b = &tpg->border; + const struct v4l2_rect *c = &tpg->crop; + + if (params->is_tv && !params->is_60hz && + frame_line == 0 && params->wss_width) { + /* + * Replace the first half of the top line of a 50 Hz frame + * with random data to simulate a WSS signal. + */ + u8 *wss = tpg->random_line[p] + params->wss_random_offset; - if (h >= hmax) { - if (hmax == tpg->compose.height) - continue; - if (!tpg->perc_fill_blank) - continue; - fill_blank = true; - } + memcpy(vbuf, wss, params->wss_width); + } + + if (tpg->show_border && frame_line >= b->top && + frame_line < b->top + b->height) { + unsigned bottom = b->top + b->height - 1; + unsigned left = params->left_pillar_width; + unsigned right = params->right_pillar_start; - if (tpg->vflip) - frame_line = tpg->src_height - frame_line - 1; - - if (fill_blank) { - linestart_older = tpg->contrast_line[p]; - linestart_newer = tpg->contrast_line[p]; - } else if (tpg->qual != TPG_QUAL_NOISE && - (frame_line < tpg->border.top || - frame_line >= tpg->border.top + tpg->border.height)) { - linestart_older = tpg->black_line[p]; - linestart_newer = tpg->black_line[p]; - } else if (tpg->pattern == TPG_PAT_NOISE || tpg->qual == TPG_QUAL_NOISE) { - linestart_older = tpg->random_line[p] + - twopixsize * prandom_u32_max(tpg->src_width / 2); - linestart_newer = tpg->random_line[p] + - twopixsize * prandom_u32_max(tpg->src_width / 2); + if (frame_line == b->top || frame_line == b->top + 1 || + frame_line == bottom || frame_line == bottom - 1) { + memcpy(vbuf + left, tpg->contrast_line[p], + right - left); } else { - pat_line_old = tpg_get_pat_line(tpg, - (frame_line + mv_vert_old) % tpg->src_height); - pat_line_new = tpg_get_pat_line(tpg, - (frame_line + mv_vert_new) % tpg->src_height); - linestart_older = tpg->lines[pat_line_old][p] + - mv_hor_old * twopixsize / 2; - linestart_newer = tpg->lines[pat_line_new][p] + - mv_hor_new * twopixsize / 2; - linestart_older += line_offset; - linestart_newer += line_offset; + if (b->left >= c->left && + b->left < c->left + c->width) + memcpy(vbuf + left, + tpg->contrast_line[p], twopixsize); + if (b->left + b->width > c->left && + b->left + b->width <= c->left + c->width) + memcpy(vbuf + right - twopixsize, + tpg->contrast_line[p], twopixsize); } - if (is_60hz) { - linestart_top = linestart_newer; - linestart_bottom = linestart_older; - } else { - linestart_top = linestart_older; - linestart_bottom = linestart_newer; + } + if (tpg->qual != TPG_QUAL_NOISE && frame_line >= b->top && + frame_line < b->top + b->height) { + memcpy(vbuf, tpg->black_line[p], params->left_pillar_width); + memcpy(vbuf + params->right_pillar_start, tpg->black_line[p], + img_width - params->right_pillar_start); + } + if (tpg->show_square && frame_line >= sq->top && + frame_line < sq->top + sq->height && + sq->left < c->left + c->width && + sq->left + sq->width >= c->left) { + unsigned left = sq->left; + unsigned width = sq->width; + + if (c->left > left) { + width -= c->left - left; + left = c->left; } + if (c->left + c->width < left + width) + width -= left + width - c->left - c->width; + left -= c->left; + left = tpg_hscale_div(tpg, p, left); + width = tpg_hscale_div(tpg, p, width); + memcpy(vbuf + left, tpg->contrast_line[p], width); + } + if (tpg->insert_sav) { + unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width / 3); + u8 *p = vbuf + offset; + unsigned vact = 0, hact = 0; + + p[0] = 0xff; + p[1] = 0; + p[2] = 0; + p[3] = 0x80 | (params->sav_eav_f << 6) | + (vact << 5) | (hact << 4) | + ((hact ^ vact) << 3) | + ((hact ^ params->sav_eav_f) << 2) | + ((params->sav_eav_f ^ vact) << 1) | + (hact ^ vact ^ params->sav_eav_f); + } + if (tpg->insert_eav) { + unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width * 2 / 3); + u8 *p = vbuf + offset; + unsigned vact = 0, hact = 1; + + p[0] = 0xff; + p[1] = 0; + p[2] = 0; + p[3] = 0x80 | (params->sav_eav_f << 6) | + (vact << 5) | (hact << 4) | + ((hact ^ vact) << 3) | + ((hact ^ params->sav_eav_f) << 2) | + ((params->sav_eav_f ^ vact) << 1) | + (hact ^ vact ^ params->sav_eav_f); + } +} - switch (tpg->field) { - case V4L2_FIELD_INTERLACED: - case V4L2_FIELD_INTERLACED_TB: - case V4L2_FIELD_SEQ_TB: - case V4L2_FIELD_SEQ_BT: - if (even) - memcpy(vbuf + buf_line * stride, linestart_top, img_width); - else - memcpy(vbuf + buf_line * stride, linestart_bottom, img_width); - break; - case V4L2_FIELD_INTERLACED_BT: - if (even) - memcpy(vbuf + buf_line * stride, linestart_bottom, img_width); - else - memcpy(vbuf + buf_line * stride, linestart_top, img_width); - break; - case V4L2_FIELD_TOP: - memcpy(vbuf + buf_line * stride, linestart_top, img_width); - break; - case V4L2_FIELD_BOTTOM: - memcpy(vbuf + buf_line * stride, linestart_bottom, img_width); - break; - case V4L2_FIELD_NONE: - default: - memcpy(vbuf + buf_line * stride, linestart_older, img_width); - break; - } +static void tpg_fill_plane_pattern(const struct tpg_data *tpg, + const struct tpg_draw_params *params, + unsigned p, unsigned h, u8 *vbuf) +{ + unsigned twopixsize = params->twopixsize; + unsigned img_width = params->img_width; + unsigned mv_hor_old = params->mv_hor_old; + unsigned mv_hor_new = params->mv_hor_new; + unsigned mv_vert_old = params->mv_vert_old; + unsigned mv_vert_new = params->mv_vert_new; + unsigned frame_line = params->frame_line; + unsigned frame_line_next = params->frame_line_next; + unsigned line_offset = tpg_hscale_div(tpg, p, tpg->crop.left); + bool even; + bool fill_blank = false; + unsigned pat_line_old; + unsigned pat_line_new; + u8 *linestart_older; + u8 *linestart_newer; + u8 *linestart_top; + u8 *linestart_bottom; + + even = !(frame_line & 1); + + if (h >= params->hmax) { + if (params->hmax == tpg->compose.height) + return; + if (!tpg->perc_fill_blank) + return; + fill_blank = true; + } - if (is_tv && !is_60hz && frame_line == 0 && wss_width) { - /* - * Replace the first half of the top line of a 50 Hz frame - * with random data to simulate a WSS signal. - */ - u8 *wss = tpg->random_line[p] + + if (tpg->vflip) { + frame_line = tpg->src_height - frame_line - 1; + frame_line_next = tpg->src_height - frame_line_next - 1; + } + + if (fill_blank) { + linestart_older = tpg->contrast_line[p]; + linestart_newer = tpg->contrast_line[p]; + } else if (tpg->qual != TPG_QUAL_NOISE && + (frame_line < tpg->border.top || + frame_line >= tpg->border.top + tpg->border.height)) { + linestart_older = tpg->black_line[p]; + linestart_newer = tpg->black_line[p]; + } else if (tpg->pattern == TPG_PAT_NOISE || tpg->qual == TPG_QUAL_NOISE) { + linestart_older = tpg->random_line[p] + + twopixsize * prandom_u32_max(tpg->src_width / 2); + linestart_newer = tpg->random_line[p] + twopixsize * prandom_u32_max(tpg->src_width / 2); + } else { + unsigned frame_line_old = + (frame_line + mv_vert_old) % tpg->src_height; + unsigned frame_line_new = + (frame_line + mv_vert_new) % tpg->src_height; + unsigned pat_line_next_old; + unsigned pat_line_next_new; - memcpy(vbuf + buf_line * stride, wss, wss_width * twopixsize / 2); + pat_line_old = tpg_get_pat_line(tpg, frame_line_old); + pat_line_new = tpg_get_pat_line(tpg, frame_line_new); + linestart_older = tpg->lines[pat_line_old][p] + mv_hor_old; + linestart_newer = tpg->lines[pat_line_new][p] + mv_hor_new; + + if (tpg->vdownsampling[p] > 1 && frame_line != frame_line_next) { + int avg_pat; + + /* + * Now decide whether we need to use downsampled_lines[]. + * That's necessary if the two lines use different patterns. + */ + pat_line_next_old = tpg_get_pat_line(tpg, + (frame_line_next + mv_vert_old) % tpg->src_height); + pat_line_next_new = tpg_get_pat_line(tpg, + (frame_line_next + mv_vert_new) % tpg->src_height); + + switch (tpg->field) { + case V4L2_FIELD_INTERLACED: + case V4L2_FIELD_INTERLACED_BT: + case V4L2_FIELD_INTERLACED_TB: + avg_pat = tpg_pattern_avg(tpg, pat_line_old, pat_line_new); + if (avg_pat < 0) + break; + linestart_older = tpg->downsampled_lines[avg_pat][p] + mv_hor_old; + linestart_newer = linestart_older; + break; + case V4L2_FIELD_NONE: + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + case V4L2_FIELD_SEQ_BT: + case V4L2_FIELD_SEQ_TB: + avg_pat = tpg_pattern_avg(tpg, pat_line_old, pat_line_next_old); + if (avg_pat >= 0) + linestart_older = tpg->downsampled_lines[avg_pat][p] + + mv_hor_old; + avg_pat = tpg_pattern_avg(tpg, pat_line_new, pat_line_next_new); + if (avg_pat >= 0) + linestart_newer = tpg->downsampled_lines[avg_pat][p] + + mv_hor_new; + break; + } } + linestart_older += line_offset; + linestart_newer += line_offset; + } + if (tpg->field_alternate) { + linestart_top = linestart_bottom = linestart_older; + } else if (params->is_60hz) { + linestart_top = linestart_newer; + linestart_bottom = linestart_older; + } else { + linestart_top = linestart_older; + linestart_bottom = linestart_newer; + } + + switch (tpg->field) { + case V4L2_FIELD_INTERLACED: + case V4L2_FIELD_INTERLACED_TB: + case V4L2_FIELD_SEQ_TB: + case V4L2_FIELD_SEQ_BT: + if (even) + memcpy(vbuf, linestart_top, img_width); + else + memcpy(vbuf, linestart_bottom, img_width); + break; + case V4L2_FIELD_INTERLACED_BT: + if (even) + memcpy(vbuf, linestart_bottom, img_width); + else + memcpy(vbuf, linestart_top, img_width); + break; + case V4L2_FIELD_TOP: + memcpy(vbuf, linestart_top, img_width); + break; + case V4L2_FIELD_BOTTOM: + memcpy(vbuf, linestart_bottom, img_width); + break; + case V4L2_FIELD_NONE: + default: + memcpy(vbuf, linestart_older, img_width); + break; } +} + +void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, + unsigned p, u8 *vbuf) +{ + struct tpg_draw_params params; + unsigned factor = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1; + + /* Coarse scaling with Bresenham */ + unsigned int_part = (tpg->crop.height / factor) / tpg->compose.height; + unsigned fract_part = (tpg->crop.height / factor) % tpg->compose.height; + unsigned src_y = 0; + unsigned error = 0; + unsigned h; + + tpg_recalc(tpg); + + params.is_tv = std; + params.is_60hz = std & V4L2_STD_525_60; + params.twopixsize = tpg->twopixelsize[p]; + params.img_width = tpg_hdiv(tpg, p, tpg->compose.width); + params.stride = tpg->bytesperline[p]; + params.hmax = (tpg->compose.height * tpg->perc_fill) / 100; + + tpg_fill_params_pattern(tpg, p, ¶ms); + tpg_fill_params_extras(tpg, p, ¶ms); + + vbuf += tpg_hdiv(tpg, p, tpg->compose.left); - vbuf = orig_vbuf; - vbuf += tpg->compose.left * twopixsize / 2; - src_y = 0; - error = 0; for (h = 0; h < tpg->compose.height; h++) { - unsigned frame_line = tpg_calc_frameline(tpg, src_y, tpg->field); - unsigned buf_line = tpg_calc_buffer_line(tpg, h, tpg->field); - const struct v4l2_rect *sq = &tpg->square; - const struct v4l2_rect *b = &tpg->border; - const struct v4l2_rect *c = &tpg->crop; + unsigned buf_line; + params.frame_line = tpg_calc_frameline(tpg, src_y, tpg->field); + params.frame_line_next = params.frame_line; + buf_line = tpg_calc_buffer_line(tpg, h, tpg->field); src_y += int_part; error += fract_part; if (error >= tpg->compose.height) { @@ -1475,80 +2032,61 @@ void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf) src_y++; } - if (tpg->show_border && frame_line >= b->top && - frame_line < b->top + b->height) { - unsigned bottom = b->top + b->height - 1; - unsigned left = left_pillar_width; - unsigned right = right_pillar_start; + /* + * For line-interleaved formats determine the 'plane' + * based on the buffer line. + */ + if (tpg_g_interleaved(tpg)) + p = tpg_g_interleaved_plane(tpg, buf_line); - if (frame_line == b->top || frame_line == b->top + 1 || - frame_line == bottom || frame_line == bottom - 1) { - memcpy(vbuf + buf_line * stride + left, tpg->contrast_line[p], - right - left); + if (tpg->vdownsampling[p] > 1) { + /* + * When doing vertical downsampling the field setting + * matters: for SEQ_BT/TB we downsample each field + * separately (i.e. lines 0+2 are combined, as are + * lines 1+3), for the other field settings we combine + * odd and even lines. Doing that for SEQ_BT/TB would + * be really weird. + */ + if (tpg->field == V4L2_FIELD_SEQ_BT || + tpg->field == V4L2_FIELD_SEQ_TB) { + unsigned next_src_y = src_y; + + if ((h & 3) >= 2) + continue; + next_src_y += int_part; + if (error + fract_part >= tpg->compose.height) + next_src_y++; + params.frame_line_next = + tpg_calc_frameline(tpg, next_src_y, tpg->field); } else { - if (b->left >= c->left && - b->left < c->left + c->width) - memcpy(vbuf + buf_line * stride + left, - tpg->contrast_line[p], twopixsize); - if (b->left + b->width > c->left && - b->left + b->width <= c->left + c->width) - memcpy(vbuf + buf_line * stride + right - twopixsize, - tpg->contrast_line[p], twopixsize); + if (h & 1) + continue; + params.frame_line_next = + tpg_calc_frameline(tpg, src_y, tpg->field); } + + buf_line /= tpg->vdownsampling[p]; } - if (tpg->qual != TPG_QUAL_NOISE && frame_line >= b->top && - frame_line < b->top + b->height) { - memcpy(vbuf + buf_line * stride, tpg->black_line[p], left_pillar_width); - memcpy(vbuf + buf_line * stride + right_pillar_start, tpg->black_line[p], - img_width - right_pillar_start); - } - if (tpg->show_square && frame_line >= sq->top && - frame_line < sq->top + sq->height && - sq->left < c->left + c->width && - sq->left + sq->width >= c->left) { - unsigned left = sq->left; - unsigned width = sq->width; - - if (c->left > left) { - width -= c->left - left; - left = c->left; - } - if (c->left + c->width < left + width) - width -= left + width - c->left - c->width; - left -= c->left; - left = (left * tpg->scaled_width) / tpg->src_width; - left = (left & ~1) * twopixsize / 2; - width = (width * tpg->scaled_width) / tpg->src_width; - width = (width & ~1) * twopixsize / 2; - memcpy(vbuf + buf_line * stride + left, tpg->contrast_line[p], width); - } - if (tpg->insert_sav) { - unsigned offset = (tpg->compose.width / 6) * twopixsize; - u8 *p = vbuf + buf_line * stride + offset; - unsigned vact = 0, hact = 0; - - p[0] = 0xff; - p[1] = 0; - p[2] = 0; - p[3] = 0x80 | (f << 6) | (vact << 5) | (hact << 4) | - ((hact ^ vact) << 3) | - ((hact ^ f) << 2) | - ((f ^ vact) << 1) | - (hact ^ vact ^ f); - } - if (tpg->insert_eav) { - unsigned offset = (tpg->compose.width / 6) * 2 * twopixsize; - u8 *p = vbuf + buf_line * stride + offset; - unsigned vact = 0, hact = 1; - - p[0] = 0xff; - p[1] = 0; - p[2] = 0; - p[3] = 0x80 | (f << 6) | (vact << 5) | (hact << 4) | - ((hact ^ vact) << 3) | - ((hact ^ f) << 2) | - ((f ^ vact) << 1) | - (hact ^ vact ^ f); - } + tpg_fill_plane_pattern(tpg, ¶ms, p, h, + vbuf + buf_line * params.stride); + tpg_fill_plane_extras(tpg, ¶ms, p, h, + vbuf + buf_line * params.stride); + } +} + +void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf) +{ + unsigned offset = 0; + unsigned i; + + if (tpg->buffers > 1) { + tpg_fill_plane_buffer(tpg, std, p, vbuf); + return; + } + + for (i = 0; i < tpg_g_planes(tpg); i++) { + tpg_fill_plane_buffer(tpg, std, i, vbuf + offset); + offset += tpg_calc_plane_size(tpg, i); } } |
