diff options
Diffstat (limited to 'include/media/tpg/v4l2-tpg.h')
| -rw-r--r-- | include/media/tpg/v4l2-tpg.h | 662 |
1 files changed, 662 insertions, 0 deletions
diff --git a/include/media/tpg/v4l2-tpg.h b/include/media/tpg/v4l2-tpg.h new file mode 100644 index 000000000000..823fadede7bf --- /dev/null +++ b/include/media/tpg/v4l2-tpg.h @@ -0,0 +1,662 @@ +/* + * v4l2-tpg.h - Test Pattern Generator + * + * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _V4L2_TPG_H_ +#define _V4L2_TPG_H_ + +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/random.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/videodev2.h> + +struct tpg_rbg_color8 { + unsigned char r, g, b; +}; + +struct tpg_rbg_color16 { + __u16 r, g, b; +}; + +enum tpg_color { + TPG_COLOR_CSC_WHITE, + TPG_COLOR_CSC_YELLOW, + TPG_COLOR_CSC_CYAN, + TPG_COLOR_CSC_GREEN, + TPG_COLOR_CSC_MAGENTA, + TPG_COLOR_CSC_RED, + TPG_COLOR_CSC_BLUE, + TPG_COLOR_CSC_BLACK, + TPG_COLOR_75_YELLOW, + TPG_COLOR_75_CYAN, + TPG_COLOR_75_GREEN, + TPG_COLOR_75_MAGENTA, + TPG_COLOR_75_RED, + TPG_COLOR_75_BLUE, + TPG_COLOR_100_WHITE, + TPG_COLOR_100_YELLOW, + TPG_COLOR_100_CYAN, + TPG_COLOR_100_GREEN, + TPG_COLOR_100_MAGENTA, + TPG_COLOR_100_RED, + TPG_COLOR_100_BLUE, + TPG_COLOR_100_BLACK, + TPG_COLOR_TEXTFG, + TPG_COLOR_TEXTBG, + TPG_COLOR_RANDOM, + TPG_COLOR_RAMP, + TPG_COLOR_MAX = TPG_COLOR_RAMP + 256 +}; + +extern const struct tpg_rbg_color8 tpg_colors[TPG_COLOR_MAX]; +extern const unsigned short tpg_rec709_to_linear[255 * 16 + 1]; +extern const unsigned short tpg_linear_to_rec709[255 * 16 + 1]; +extern const struct tpg_rbg_color16 tpg_csc_colors[V4L2_COLORSPACE_DCI_P3 + 1] + [V4L2_XFER_FUNC_SMPTE2084 + 1] + [TPG_COLOR_CSC_BLACK + 1]; +enum tpg_pattern { + TPG_PAT_75_COLORBAR, + TPG_PAT_100_COLORBAR, + TPG_PAT_CSC_COLORBAR, + TPG_PAT_100_HCOLORBAR, + TPG_PAT_100_COLORSQUARES, + TPG_PAT_BLACK, + TPG_PAT_WHITE, + TPG_PAT_RED, + TPG_PAT_GREEN, + TPG_PAT_BLUE, + TPG_PAT_CHECKERS_16X16, + TPG_PAT_CHECKERS_2X2, + TPG_PAT_CHECKERS_1X1, + TPG_PAT_COLOR_CHECKERS_2X2, + TPG_PAT_COLOR_CHECKERS_1X1, + TPG_PAT_ALTERNATING_HLINES, + TPG_PAT_ALTERNATING_VLINES, + TPG_PAT_CROSS_1_PIXEL, + TPG_PAT_CROSS_2_PIXELS, + TPG_PAT_CROSS_10_PIXELS, + TPG_PAT_GRAY_RAMP, + + /* Must be the last pattern */ + TPG_PAT_NOISE, +}; + +extern const char * const tpg_pattern_strings[]; + +enum tpg_quality { + TPG_QUAL_COLOR, + TPG_QUAL_GRAY, + TPG_QUAL_NOISE +}; + +enum tpg_video_aspect { + TPG_VIDEO_ASPECT_IMAGE, + TPG_VIDEO_ASPECT_4X3, + TPG_VIDEO_ASPECT_14X9_CENTRE, + TPG_VIDEO_ASPECT_16X9_CENTRE, + TPG_VIDEO_ASPECT_16X9_ANAMORPHIC, +}; + +enum tpg_pixel_aspect { + TPG_PIXEL_ASPECT_SQUARE, + TPG_PIXEL_ASPECT_NTSC, + TPG_PIXEL_ASPECT_PAL, +}; + +enum tpg_move_mode { + TPG_MOVE_NEG_FAST, + TPG_MOVE_NEG, + TPG_MOVE_NEG_SLOW, + TPG_MOVE_NONE, + TPG_MOVE_POS_SLOW, + TPG_MOVE_POS, + TPG_MOVE_POS_FAST, +}; + +enum tgp_color_enc { + TGP_COLOR_ENC_RGB, + TGP_COLOR_ENC_YCBCR, + TGP_COLOR_ENC_HSV, + TGP_COLOR_ENC_LUMA, +}; + +extern const char * const tpg_aspect_strings[]; + +#define TPG_MAX_PLANES 3 +#define TPG_MAX_PAT_LINES 8 + +struct tpg_data { + /* Source frame size */ + unsigned src_width, src_height; + /* Buffer height */ + unsigned buf_height; + /* Scaled output frame size */ + unsigned scaled_width; + u32 field; + bool field_alternate; + /* crop coordinates are frame-based */ + struct v4l2_rect crop; + /* compose coordinates are format-based */ + struct v4l2_rect compose; + /* border and square coordinates are frame-based */ + struct v4l2_rect border; + struct v4l2_rect square; + + /* Color-related fields */ + enum tpg_quality qual; + unsigned qual_offset; + u8 alpha_component; + bool alpha_red_only; + u8 brightness; + u8 contrast; + u8 saturation; + s16 hue; + u32 fourcc; + enum tgp_color_enc color_enc; + u32 colorspace; + u32 xfer_func; + u32 ycbcr_enc; + u32 hsv_enc; + /* + * Stores the actual transfer function, i.e. will never be + * V4L2_XFER_FUNC_DEFAULT. + */ + u32 real_xfer_func; + /* + * Stores the actual Y'CbCr encoding, i.e. will never be + * V4L2_YCBCR_ENC_DEFAULT. + */ + u32 real_hsv_enc; + u32 real_ycbcr_enc; + u32 quantization; + /* + * Stores the actual quantization, i.e. will never be + * V4L2_QUANTIZATION_DEFAULT. + */ + u32 real_quantization; + enum tpg_video_aspect vid_aspect; + enum tpg_pixel_aspect pix_aspect; + unsigned rgb_range; + unsigned real_rgb_range; + unsigned buffers; + unsigned planes; + bool interleaved; + u8 vdownsampling[TPG_MAX_PLANES]; + u8 hdownsampling[TPG_MAX_PLANES]; + /* + * horizontal positions must be ANDed with this value to enforce + * correct boundaries for packed YUYV values. + */ + unsigned hmask[TPG_MAX_PLANES]; + /* Used to store the colors in native format, either RGB or YUV */ + u8 colors[TPG_COLOR_MAX][3]; + u8 textfg[TPG_MAX_PLANES][8], textbg[TPG_MAX_PLANES][8]; + /* size in bytes for two pixels in each plane */ + unsigned twopixelsize[TPG_MAX_PLANES]; + unsigned bytesperline[TPG_MAX_PLANES]; + + /* Configuration */ + enum tpg_pattern pattern; + bool hflip; + bool vflip; + unsigned perc_fill; + bool perc_fill_blank; + bool show_border; + bool show_square; + bool insert_sav; + bool insert_eav; + + /* Test pattern movement */ + enum tpg_move_mode mv_hor_mode; + int mv_hor_count; + int mv_hor_step; + enum tpg_move_mode mv_vert_mode; + int mv_vert_count; + int mv_vert_step; + + bool recalc_colors; + bool recalc_lines; + bool recalc_square_border; + + /* Used to store TPG_MAX_PAT_LINES lines, each with up to two planes */ + unsigned max_line_width; + u8 *lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES]; + u8 *downsampled_lines[TPG_MAX_PAT_LINES][TPG_MAX_PLANES]; + u8 *random_line[TPG_MAX_PLANES]; + u8 *contrast_line[TPG_MAX_PLANES]; + u8 *black_line[TPG_MAX_PLANES]; +}; + +void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h); +int tpg_alloc(struct tpg_data *tpg, unsigned max_w); +void tpg_free(struct tpg_data *tpg); +void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, + u32 field); +void tpg_log_status(struct tpg_data *tpg); + +void tpg_set_font(const u8 *f); +void tpg_gen_text(const struct tpg_data *tpg, + u8 *basep[TPG_MAX_PLANES][2], int y, int x, char *text); +void tpg_calc_text_basep(struct tpg_data *tpg, + u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf); +unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line); +void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, + unsigned p, u8 *vbuf); +void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, + unsigned p, u8 *vbuf); +bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc); +void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop, + const struct v4l2_rect *compose); + +static inline void tpg_s_pattern(struct tpg_data *tpg, enum tpg_pattern pattern) +{ + if (tpg->pattern == pattern) + return; + tpg->pattern = pattern; + tpg->recalc_colors = true; +} + +static inline void tpg_s_quality(struct tpg_data *tpg, + enum tpg_quality qual, unsigned qual_offset) +{ + if (tpg->qual == qual && tpg->qual_offset == qual_offset) + return; + tpg->qual = qual; + tpg->qual_offset = qual_offset; + tpg->recalc_colors = true; +} + +static inline enum tpg_quality tpg_g_quality(const struct tpg_data *tpg) +{ + return tpg->qual; +} + +static inline void tpg_s_alpha_component(struct tpg_data *tpg, + u8 alpha_component) +{ + if (tpg->alpha_component == alpha_component) + return; + tpg->alpha_component = alpha_component; + tpg->recalc_colors = true; +} + +static inline void tpg_s_alpha_mode(struct tpg_data *tpg, + bool red_only) +{ + if (tpg->alpha_red_only == red_only) + return; + tpg->alpha_red_only = red_only; + tpg->recalc_colors = true; +} + +static inline void tpg_s_brightness(struct tpg_data *tpg, + u8 brightness) +{ + if (tpg->brightness == brightness) + return; + tpg->brightness = brightness; + tpg->recalc_colors = true; +} + +static inline void tpg_s_contrast(struct tpg_data *tpg, + u8 contrast) +{ + if (tpg->contrast == contrast) + return; + tpg->contrast = contrast; + tpg->recalc_colors = true; +} + +static inline void tpg_s_saturation(struct tpg_data *tpg, + u8 saturation) +{ + if (tpg->saturation == saturation) + return; + tpg->saturation = saturation; + tpg->recalc_colors = true; +} + +static inline void tpg_s_hue(struct tpg_data *tpg, + s16 hue) +{ + if (tpg->hue == hue) + return; + tpg->hue = hue; + tpg->recalc_colors = true; +} + +static inline void tpg_s_rgb_range(struct tpg_data *tpg, + unsigned rgb_range) +{ + if (tpg->rgb_range == rgb_range) + return; + tpg->rgb_range = rgb_range; + tpg->recalc_colors = true; +} + +static inline void tpg_s_real_rgb_range(struct tpg_data *tpg, + unsigned rgb_range) +{ + if (tpg->real_rgb_range == rgb_range) + return; + tpg->real_rgb_range = rgb_range; + tpg->recalc_colors = true; +} + +static inline void tpg_s_colorspace(struct tpg_data *tpg, u32 colorspace) +{ + if (tpg->colorspace == colorspace) + return; + tpg->colorspace = colorspace; + tpg->recalc_colors = true; +} + +static inline u32 tpg_g_colorspace(const struct tpg_data *tpg) +{ + return tpg->colorspace; +} + +static inline void tpg_s_ycbcr_enc(struct tpg_data *tpg, u32 ycbcr_enc) +{ + if (tpg->ycbcr_enc == ycbcr_enc) + return; + tpg->ycbcr_enc = ycbcr_enc; + tpg->recalc_colors = true; +} + +static inline u32 tpg_g_ycbcr_enc(const struct tpg_data *tpg) +{ + return tpg->ycbcr_enc; +} + +static inline void tpg_s_hsv_enc(struct tpg_data *tpg, u32 hsv_enc) +{ + if (tpg->hsv_enc == hsv_enc) + return; + tpg->hsv_enc = hsv_enc; + tpg->recalc_colors = true; +} + +static inline u32 tpg_g_hsv_enc(const struct tpg_data *tpg) +{ + return tpg->hsv_enc; +} + +static inline void tpg_s_xfer_func(struct tpg_data *tpg, u32 xfer_func) +{ + if (tpg->xfer_func == xfer_func) + return; + tpg->xfer_func = xfer_func; + tpg->recalc_colors = true; +} + +static inline u32 tpg_g_xfer_func(const struct tpg_data *tpg) +{ + return tpg->xfer_func; +} + +static inline void tpg_s_quantization(struct tpg_data *tpg, u32 quantization) +{ + if (tpg->quantization == quantization) + return; + tpg->quantization = quantization; + tpg->recalc_colors = true; +} + +static inline u32 tpg_g_quantization(const struct tpg_data *tpg) +{ + return tpg->quantization; +} + +static inline unsigned tpg_g_buffers(const struct tpg_data *tpg) +{ + return tpg->buffers; +} + +static inline unsigned tpg_g_planes(const struct tpg_data *tpg) +{ + return tpg->interleaved ? 1 : tpg->planes; +} + +static inline bool tpg_g_interleaved(const struct tpg_data *tpg) +{ + return tpg->interleaved; +} + +static inline unsigned tpg_g_twopixelsize(const struct tpg_data *tpg, unsigned plane) +{ + return tpg->twopixelsize[plane]; +} + +static inline unsigned tpg_hdiv(const struct tpg_data *tpg, + unsigned plane, unsigned x) +{ + return ((x / tpg->hdownsampling[plane]) & tpg->hmask[plane]) * + tpg->twopixelsize[plane] / 2; +} + +static inline unsigned tpg_hscale(const struct tpg_data *tpg, unsigned x) +{ + return (x * tpg->scaled_width) / tpg->src_width; +} + +static inline unsigned tpg_hscale_div(const struct tpg_data *tpg, + unsigned plane, unsigned x) +{ + return tpg_hdiv(tpg, plane, tpg_hscale(tpg, x)); +} + +static inline unsigned tpg_g_bytesperline(const struct tpg_data *tpg, unsigned plane) +{ + return tpg->bytesperline[plane]; +} + +static inline void tpg_s_bytesperline(struct tpg_data *tpg, unsigned plane, unsigned bpl) +{ + unsigned p; + + if (tpg->buffers > 1) { + tpg->bytesperline[plane] = bpl; + return; + } + + for (p = 0; p < tpg_g_planes(tpg); p++) { + unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0]; + + tpg->bytesperline[p] = plane_w / tpg->hdownsampling[p]; + } + if (tpg_g_interleaved(tpg)) + tpg->bytesperline[1] = tpg->bytesperline[0]; +} + + +static inline unsigned tpg_g_line_width(const struct tpg_data *tpg, unsigned plane) +{ + unsigned w = 0; + unsigned p; + + if (tpg->buffers > 1) + return tpg_g_bytesperline(tpg, plane); + for (p = 0; p < tpg_g_planes(tpg); p++) { + unsigned plane_w = tpg_g_bytesperline(tpg, p); + + w += plane_w / tpg->vdownsampling[p]; + } + return w; +} + +static inline unsigned tpg_calc_line_width(const struct tpg_data *tpg, + unsigned plane, unsigned bpl) +{ + unsigned w = 0; + unsigned p; + + if (tpg->buffers > 1) + return bpl; + for (p = 0; p < tpg_g_planes(tpg); p++) { + unsigned plane_w = bpl * tpg->twopixelsize[p] / tpg->twopixelsize[0]; + + plane_w /= tpg->hdownsampling[p]; + w += plane_w / tpg->vdownsampling[p]; + } + return w; +} + +static inline unsigned tpg_calc_plane_size(const struct tpg_data *tpg, unsigned plane) +{ + if (plane >= tpg_g_planes(tpg)) + return 0; + + return tpg_g_bytesperline(tpg, plane) * tpg->buf_height / + tpg->vdownsampling[plane]; +} + +static inline void tpg_s_buf_height(struct tpg_data *tpg, unsigned h) +{ + tpg->buf_height = h; +} + +static inline void tpg_s_field(struct tpg_data *tpg, unsigned field, bool alternate) +{ + tpg->field = field; + tpg->field_alternate = alternate; +} + +static inline void tpg_s_perc_fill(struct tpg_data *tpg, + unsigned perc_fill) +{ + tpg->perc_fill = perc_fill; +} + +static inline unsigned tpg_g_perc_fill(const struct tpg_data *tpg) +{ + return tpg->perc_fill; +} + +static inline void tpg_s_perc_fill_blank(struct tpg_data *tpg, + bool perc_fill_blank) +{ + tpg->perc_fill_blank = perc_fill_blank; +} + +static inline void tpg_s_video_aspect(struct tpg_data *tpg, + enum tpg_video_aspect vid_aspect) +{ + if (tpg->vid_aspect == vid_aspect) + return; + tpg->vid_aspect = vid_aspect; + tpg->recalc_square_border = true; +} + +static inline enum tpg_video_aspect tpg_g_video_aspect(const struct tpg_data *tpg) +{ + return tpg->vid_aspect; +} + +static inline void tpg_s_pixel_aspect(struct tpg_data *tpg, + enum tpg_pixel_aspect pix_aspect) +{ + if (tpg->pix_aspect == pix_aspect) + return; + tpg->pix_aspect = pix_aspect; + tpg->recalc_square_border = true; +} + +static inline void tpg_s_show_border(struct tpg_data *tpg, + bool show_border) +{ + tpg->show_border = show_border; +} + +static inline void tpg_s_show_square(struct tpg_data *tpg, + bool show_square) +{ + tpg->show_square = show_square; +} + +static inline void tpg_s_insert_sav(struct tpg_data *tpg, bool insert_sav) +{ + tpg->insert_sav = insert_sav; +} + +static inline void tpg_s_insert_eav(struct tpg_data *tpg, bool insert_eav) +{ + tpg->insert_eav = insert_eav; +} + +void tpg_update_mv_step(struct tpg_data *tpg); + +static inline void tpg_s_mv_hor_mode(struct tpg_data *tpg, + enum tpg_move_mode mv_hor_mode) +{ + tpg->mv_hor_mode = mv_hor_mode; + tpg_update_mv_step(tpg); +} + +static inline void tpg_s_mv_vert_mode(struct tpg_data *tpg, + enum tpg_move_mode mv_vert_mode) +{ + tpg->mv_vert_mode = mv_vert_mode; + tpg_update_mv_step(tpg); +} + +static inline void tpg_init_mv_count(struct tpg_data *tpg) +{ + tpg->mv_hor_count = tpg->mv_vert_count = 0; +} + +static inline void tpg_update_mv_count(struct tpg_data *tpg, bool frame_is_field) +{ + tpg->mv_hor_count += tpg->mv_hor_step * (frame_is_field ? 1 : 2); + tpg->mv_vert_count += tpg->mv_vert_step * (frame_is_field ? 1 : 2); +} + +static inline void tpg_s_hflip(struct tpg_data *tpg, bool hflip) +{ + if (tpg->hflip == hflip) + return; + tpg->hflip = hflip; + tpg_update_mv_step(tpg); + tpg->recalc_lines = true; +} + +static inline bool tpg_g_hflip(const struct tpg_data *tpg) +{ + return tpg->hflip; +} + +static inline void tpg_s_vflip(struct tpg_data *tpg, bool vflip) +{ + tpg->vflip = vflip; +} + +static inline bool tpg_g_vflip(const struct tpg_data *tpg) +{ + return tpg->vflip; +} + +static inline bool tpg_pattern_is_static(const struct tpg_data *tpg) +{ + return tpg->pattern != TPG_PAT_NOISE && + tpg->mv_hor_mode == TPG_MOVE_NONE && + tpg->mv_vert_mode == TPG_MOVE_NONE; +} + +#endif |