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