diff options
Diffstat (limited to 'gst/vbidec/vbiscreen.c')
| -rw-r--r-- | gst/vbidec/vbiscreen.c | 825 |
1 files changed, 0 insertions, 825 deletions
diff --git a/gst/vbidec/vbiscreen.c b/gst/vbidec/vbiscreen.c deleted file mode 100644 index 52e91e0d9..000000000 --- a/gst/vbidec/vbiscreen.c +++ /dev/null @@ -1,825 +0,0 @@ -/* - * Copyright (c) 2002 Billy Biggs <vektor@dumbterm.net>. - * Copyright (c) 2002 Doug Bell <drbell@users.sourceforge.net>. - * - * Modified and adapted to GStreamer by - * David I. Lehn <dlehn@users.sourceforge.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <glib.h> -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <string.h> -#include <ctype.h> -#include <unistd.h> -/*#include "osdtools.h"*/ -/*#include "speedy.h"*/ -#include <glib.h> -#include "vbiscreen.h" -#include "gstvbidec.h" - -#define ROLL_2 6 -#define ROLL_3 7 -#define ROLL_4 8 -#define POP_UP 9 -#define PAINT_ON 10 - - -#define NUM_LINES 15 -#define ROWS 15 -#define COLS 32 -#define FONT_SIZE 20 - -typedef struct osd_string_s osd_string_t; -struct osd_string_s -{ - int width; - int height; - int r, g, b; - int visible; - GstVBIDec *vbidec; -}; - -osd_string_t * -osd_string_new (char *c, int s, int w, int h, int a, void *user_data) -{ - osd_string_t *os; - - os = (osd_string_t *) malloc (sizeof (osd_string_t)); - if (!os) - return NULL; - os->width = 0; - os->height = 0; - os->r = os->g = os->b = 0; - os->visible = 1; - os->vbidec = (GstVBIDec *) user_data; - return os; -} - -void -osd_string_show_text (osd_string_t * os, char *s, int len) -{ - /* FIXME: just print data when it gets here */ - if (len > 0) { - gst_vbidec_show_text (os->vbidec, s, len); - } -} - -int -osd_string_get_height (osd_string_t * os) -{ - return os->height; -} - -int -osd_string_get_width (osd_string_t * os) -{ - return os->width; -} - -void -osd_string_delete (osd_string_t * os) -{ - free (os); -} - -void -osd_string_set_colour_rgb (osd_string_t * os, int r, int g, int b) -{ - os->r = r; - os->g = g; - os->b = b; -} - -void -blit_colour_packed422_scanline (unsigned char *d, int w, int luma, int cb, - int cr) -{ -} - -int -osd_string_visible (osd_string_t * os) -{ - return os->visible; -} - -void -osd_string_composite_packed422_scanline (osd_string_t * os, unsigned char *a, - unsigned char *b, int w, int x, int y) -{ -} - -struct vbiscreen_s -{ - - osd_string_t *line[ROWS]; - - char buffers[ROWS * COLS * 2]; - char text[2 * ROWS * COLS]; - char hiddenbuf[COLS]; - char paintbuf[ROWS * COLS]; - - unsigned int fgcolour; - unsigned int bgcolour; - int bg_luma, bg_cb, bg_cr; - - int frame_width; - int frame_height; - int frame_aspect; - - int x, y; /* where to draw console */ - int width, height; /* the size box we have to draw in */ - int rowheight, charwidth; - - int curx, cury; /* cursor position */ - int rows, cols; /* 32 cols 15 rows */ - int captions, style; /* CC (1) or Text (0), RU2 RU3 RU4 POP_UP PAINT_ON */ - int first_line; /* where to start drawing */ - int curbuffer; - int top_of_screen; /* a pointer into line[] */ - int indent; - int got_eoc; - int scroll; - - char *fontfile; - int fontsize; - int verbose; - - void *user_data; -}; - -vbiscreen_t * -vbiscreen_new (int video_width, int video_height, - double video_aspect, int verbose, void *user_data) -{ - int i = 0, fontsize = FONT_SIZE; - vbiscreen_t *vs = (vbiscreen_t *) malloc (sizeof (struct vbiscreen_s)); - - if (!vs) { - return NULL; - } - - vs->verbose = verbose; - vs->x = 0; - vs->y = 0; - vs->frame_width = video_width; - vs->frame_height = video_height; - vs->frame_aspect = video_aspect; - vs->curx = 0; - vs->cury = 0; - vs->fgcolour = 0xFFFFFFFFU; /* white */ - vs->bgcolour = 0xFF000000U; /* black */ - vs->bg_luma = 16; - vs->bg_cb = 128; - vs->bg_cr = 128; - vs->rows = ROWS; - vs->cols = COLS; - /*vs->fontfile = DATADIR "/FreeMonoBold.ttf"; */ - vs->fontfile = NULL; - vs->fontsize = fontsize; - vs->width = video_width; - vs->height = video_height; - vs->first_line = 0; - vs->captions = 0; - vs->style = 0; - vs->curbuffer = 0; - vs->top_of_screen = 0; - vs->indent = 0; - memset (vs->buffers, 0, 2 * COLS * ROWS); - memset (vs->hiddenbuf, 0, COLS); - memset (vs->paintbuf, 0, ROWS * COLS); - vs->scroll = 0; - - vs->user_data = user_data; - - vs->line[0] = osd_string_new (vs->fontfile, fontsize, video_width, - video_height, video_aspect, user_data); - - if (!vs->line[0]) { - vs->fontfile = "./FreeMonoBold.ttf"; - - vs->line[0] = osd_string_new (vs->fontfile, fontsize, - video_width, video_height, video_aspect, user_data); - } - - if (!vs->line[0]) { - fprintf (stderr, "vbiscreen: Could not find my font (%s)!\n", vs->fontfile); - vbiscreen_delete (vs); - return NULL; - } - - osd_string_show_text (vs->line[0], "W", 0); - vs->rowheight = osd_string_get_height (vs->line[0]); - vs->charwidth = osd_string_get_width (vs->line[0]); - osd_string_delete (vs->line[0]); - - for (i = 0; i < ROWS; i++) { - vs->line[i] = osd_string_new (vs->fontfile, fontsize, - video_width, video_height, video_aspect, user_data); - if (!vs->line[i]) { - fprintf (stderr, "vbiscreen: Could not allocate a line.\n"); - vbiscreen_delete (vs); - return NULL; - } - osd_string_set_colour_rgb (vs->line[i], - (vs->fgcolour & 0xff0000) >> 16, - (vs->fgcolour & 0xff00) >> 8, (vs->fgcolour & 0xff)); - osd_string_show_text (vs->line[i], " ", 0); - } - memset (vs->text, 0, 2 * ROWS * COLS); - return vs; -} - -void -blank_screen (vbiscreen_t * vs) -{ - int i; - - if (vs->verbose) - fprintf (stderr, "in blank\n"); - for (i = 0; i < ROWS; i++) { - osd_string_show_text (vs->line[i], " ", 0); - } -} - -void -clear_screen (vbiscreen_t * vs) -{ - int base, i; - - if (!vs) - return; - - base = vs->top_of_screen * COLS; - for (i = 0; i < ROWS * COLS; i++) { - vs->text[base] = 0; - base++; - base %= 2 * ROWS * COLS; - } - blank_screen (vs); -} - -void -clear_hidden_roll (vbiscreen_t * vs) -{ - if (!vs) - return; - memset (vs->hiddenbuf, 0, COLS); -} - -void -clear_hidden_pop (vbiscreen_t * vs) -{ - if (!vs) - return; - memset (vs->buffers + vs->curbuffer * COLS * ROWS, 0, COLS * ROWS); -} - -void -clear_hidden_paint (vbiscreen_t * vs) -{ - if (!vs) - return; - memset (vs->paintbuf, 0, COLS * ROWS); -} - -void -clear_displayed_pop (vbiscreen_t * vs) -{ - if (!vs) - return; - memset (vs->buffers + (vs->curbuffer ^ 1) * COLS * ROWS, 0, COLS * ROWS); -} - -void -vbiscreen_dump_screen_text (vbiscreen_t * vs) -{ - int i, offset; - - if (!vs) - return; - offset = vs->top_of_screen * COLS; - - fprintf (stderr, "\n 0123456789abcdefghij012345678901"); - for (i = 0; i < ROWS * COLS; i++) { - if (!(i % COLS)) - fprintf (stderr, "\n%.2d ", i / COLS); - fprintf (stderr, "%c", vs->text[offset] ? vs->text[offset] : ' '); - offset++; - offset %= 2 * ROWS * COLS; - } - fprintf (stderr, "\n 0123456789abcdefghij012345678901\n "); - for (i = 0; i < COLS; i++) { - fprintf (stderr, "%c", vs->text[offset] ? vs->text[offset] : ' '); - offset++; - offset %= 2 * ROWS * COLS; - } - fprintf (stderr, "\n 0123456789abcdefghij012345678901\n"); -} - -int -update_row_x (vbiscreen_t * vs, int row) -{ - char text[COLS + 1]; - int i, j, haschars = 0, base; - - if (!vs) - return 0; - - text[COLS] = 0; - base = ((vs->top_of_screen + row) % (2 * ROWS)) * COLS; - for (j = 0, i = base; i < base + COLS; i++, j++) { - if (vs->text[i]) { - text[j] = vs->text[i]; - haschars = 1; - } else { - text[j] = ' '; - } - } - - osd_string_set_colour_rgb (vs->line[row], - (vs->fgcolour & 0xff0000) >> 16, - (vs->fgcolour & 0xff00) >> 8, (vs->fgcolour & 0xff)); - if (!haschars) - osd_string_show_text (vs->line[row], " ", 0); - else - osd_string_show_text (vs->line[row], text, 51); - - return haschars; -} - -void -update_row (vbiscreen_t * vs) -{ - if (!vs) - return; - - update_row_x (vs, vs->cury); - //vbiscreen_dump_screen_text( vs ); -} - -void -update_all_rows (vbiscreen_t * vs) -{ - int row = 0; - - if (!vs) - return; - - for (row = 0; row < ROWS; row++) { - update_row_x (vs, row); - } - //vbiscreen_dump_screen_text( vs ); -} - -void -vbiscreen_delete (vbiscreen_t * vs) -{ - free (vs); -} - -void -copy_row_to_screen (vbiscreen_t * vs, char *row) -{ - int base, i, j; - - base = ((vs->top_of_screen + vs->cury) % (2 * ROWS)) * COLS; - for (j = 0, i = base; i < base + COLS; j++, i++) { - vs->text[i] = row[j]; - } - update_row (vs); -} - -void -scroll_screen (vbiscreen_t * vs) -{ - int start_row; - - if (!vs || !vs->captions || !vs->style || vs->style > ROLL_4) - return; - - start_row = (vs->first_line + vs->top_of_screen) % (2 * ROWS); - if (vs->verbose) - fprintf (stderr, "start row : %d first line %d\n ", start_row, - vs->first_line); - - /* zero out top row */ - memset ((char *) (vs->text + start_row * COLS), 0, COLS); - vs->top_of_screen = (vs->top_of_screen + 1) % (2 * ROWS); - vs->curx = vs->indent; - update_all_rows (vs); - copy_row_to_screen (vs, vs->hiddenbuf); - clear_hidden_roll (vs); - vs->scroll = 26; -} - -void -vbiscreen_set_verbose (vbiscreen_t * vs, int verbose) -{ - vs->verbose = verbose; -} - -void -vbiscreen_new_caption (vbiscreen_t * vs, int indent, int ital, - unsigned int colour, int row) -{ - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "indent: %d, ital: %d, colour: 0x%x, row: %d\n", indent, - ital, colour, row); - - if (0 && vs->captions && vs->style <= ROLL_4 && vs->style) { - if (row != vs->cury + 1) { - vs->cury = row - 1; - clear_hidden_roll (vs); - } else { -// scroll_screen( vs ); - } - } - - if (vs->style > ROLL_4) { - vs->cury = ((row > 0) ? row - 1 : 0); - } - - vs->fgcolour = colour; - vs->indent = indent; - vs->curx = indent; -} - -void -vbiscreen_set_mode (vbiscreen_t * vs, int caption, int style) -{ - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "in set mode\n"); - - if (vs->verbose) { - fprintf (stderr, "Caption: %d ", caption); - switch (style) { - case ROLL_2: - fprintf (stderr, "ROLL 2\n"); - break; - case ROLL_3: - fprintf (stderr, "ROLL 3\n"); - break; - case ROLL_4: - fprintf (stderr, "ROLL 4\n"); - break; - case POP_UP: - fprintf (stderr, "POP UP\n"); - break; - case PAINT_ON: - fprintf (stderr, "PAINT ON\n"); - break; - default: - break; - } - } - if (!caption) { - /* text mode */ - vs->cury = 0; - } else { - /* captioning mode */ - /* styles: ru2 ru3 ru4 pop paint - */ - if (style != POP_UP && vs->style == POP_UP && !vs->got_eoc) { - /* stupid that sometimes they dont send a EOC */ - vbiscreen_end_of_caption (vs); - } - - switch (style) { - case ROLL_2: - case ROLL_3: - case ROLL_4: - if (vs->style == style) { - return; - } - vs->first_line = ROWS - (style - 4); - - if (vs->verbose) - fprintf (stderr, "first_line %d\n", vs->first_line); - - vs->cury = ROWS - 1; - break; - case POP_UP: - vs->got_eoc = 0; - break; - case PAINT_ON: - break; - } - } - - vs->captions = caption; - vs->style = style; -} - -void -vbiscreen_tab (vbiscreen_t * vs, int cols) -{ - if (!vs) - return; - if (cols < 0 || cols > 3) - return; - vs->curx += cols; - if (vs->curx > 31) - vs->curx = 31; -} - -void -vbiscreen_set_colour (vbiscreen_t * vs, unsigned int col) -{ - if (!vs) - return; - vs->fgcolour = col; -} - -void -vbiscreen_clear_current_cell (vbiscreen_t * vs) -{ - vs->text[((vs->top_of_screen + vs->cury) % (2 * ROWS)) * COLS - + vs->curx + vs->indent] = 0; -} - -void -vbiscreen_set_current_cell (vbiscreen_t * vs, char text) -{ - int base; - - if (!vs) - return; - base = ((vs->top_of_screen + vs->cury) % (2 * ROWS)) * COLS; - if (g_ascii_isprint (text)) - vs->text[base + vs->curx + vs->indent] = text; - else - vs->text[base + vs->curx + vs->indent] = ' '; -} - -void -vbiscreen_delete_to_end (vbiscreen_t * vs) -{ - int i; - - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "in del to end\n"); - for (i = vs->curx; i < COLS; i++) { - vbiscreen_clear_current_cell (vs); - vs->curx++; - } - vs->curx = COLS - 1; /* is this right ? */ - if (vs->captions && vs->style && vs->style != POP_UP) - update_row (vs); -} - -void -vbiscreen_backspace (vbiscreen_t * vs) -{ - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "in backspace\n"); - if (!vs->curx) - return; - vs->curx--; - vbiscreen_clear_current_cell (vs); - update_row (vs); -} - -void -vbiscreen_erase_displayed (vbiscreen_t * vs) -{ - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "in erase disp\n"); - - if (vs->captions && vs->style && vs->style <= ROLL_4) { - clear_hidden_roll (vs); - } - - clear_displayed_pop (vs); - clear_screen (vs); -} - -void -vbiscreen_erase_non_displayed (vbiscreen_t * vs) -{ - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "in erase non disp\n"); - - if (vs->captions && vs->style == POP_UP) { - memset (vs->buffers + vs->curbuffer * COLS * ROWS + vs->cury * COLS, 0, - COLS); -// clear_hidden_pop( vs ); - } else if (vs->captions && vs->style && vs->style <= ROLL_4) { - clear_hidden_roll (vs); - } -} - -void -vbiscreen_carriage_return (vbiscreen_t * vs) -{ - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "in CR\n"); - if (vs->style != POP_UP) { - /* not sure if this is right for text mode */ - /* in text mode, perhaps a CR on last row clears screen and goes - * to (0,0) */ - scroll_screen (vs); - } - - /* keep cursor on bottom for rollup */ - if (vs->captions && vs->style && vs->style <= ROLL_4) - vs->cury--; - - vs->cury++; - vs->curx = 0; -} - -void -copy_buf_to_screen (vbiscreen_t * vs, char *buf) -{ - int base, i, j; - - if (!vs) - return; - - base = vs->top_of_screen * COLS; - for (j = 0, i = 0; i < ROWS * COLS; i++, j++) { - vs->text[base] = buf[j]; - base++; - base %= 2 * ROWS * COLS; - } - update_all_rows (vs); -} - -void -vbiscreen_end_of_caption (vbiscreen_t * vs) -{ - /*int i; */ - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "in end of caption\n"); - - if (vs->style == PAINT_ON) { - copy_buf_to_screen (vs, vs->paintbuf); - clear_hidden_paint (vs); - } else if (vs->style == POP_UP) { - copy_buf_to_screen (vs, vs->buffers + vs->curbuffer * COLS * ROWS); - vs->curbuffer ^= 1; - } - - /* to be safe? */ - vs->curx = 0; - vs->cury = ROWS - 1; - vs->got_eoc = 1; -} - -void -vbiscreen_print (vbiscreen_t * vs, char c1, char c2) -{ - if (!vs) - return; - if (vs->verbose) - fprintf (stderr, "in print (%d, %d)[%c %c]\n", vs->curx, vs->cury, c1, c2); - if (vs->captions && vs->style == POP_UP) { - /* this all gets displayed at another time */ - if (vs->curx != COLS - 1) { - *(vs->buffers + vs->curx + vs->curbuffer * ROWS * COLS + - vs->cury * COLS) = c1; - vs->curx++; - } - - if (vs->curx != COLS - 1 && c2) { - *(vs->buffers + vs->curx + vs->curbuffer * ROWS * COLS + - vs->cury * COLS) = c2; - vs->curx++; - } else if (c2) { - *(vs->buffers + vs->curx + vs->curbuffer * ROWS * COLS + - vs->cury * COLS) = c2; - } - } - - if (vs->captions && vs->style == PAINT_ON) { - if (vs->curx != COLS - 1) { - vs->paintbuf[vs->curx + vs->cury * COLS] = c1; - vs->curx++; - } - - if (vs->curx != COLS - 1 && c2) { - vs->paintbuf[vs->curx + vs->cury * COLS] = c2; - vs->curx++; - } else if (c2) { - vs->paintbuf[vs->curx + vs->cury * COLS] = c2; - } - } - - if (vs->captions && vs->style && vs->style <= ROLL_4) { - if (vs->curx != COLS - 1) { - vs->hiddenbuf[vs->curx] = c1; - vs->curx++; - } else { - vs->hiddenbuf[vs->curx] = c1; - } - - if (vs->curx != COLS - 1 && c2) { - vs->hiddenbuf[vs->curx] = c2; - vs->curx++; - } else if (c2) { - vs->hiddenbuf[vs->curx] = c2; - } - } -} - -void -vbiscreen_reset (vbiscreen_t * vs) -{ - if (!vs) - return; - clear_screen (vs); - clear_hidden_pop (vs); - clear_displayed_pop (vs); - clear_hidden_roll (vs); - vs->captions = 0; - vs->style = 0; -} - -void -vbiscreen_composite_packed422_scanline (vbiscreen_t * vs, - unsigned char *output, int width, int xpos, int scanline) -{ - int x = 0, y = 0, row = 0, index = 0; - - if (!vs) - return; - if (!output) - return; - if (scanline >= vs->y && scanline < vs->y + vs->height) { - - if (0 && !vs->captions) - blit_colour_packed422_scanline (output + (vs->x * 2), vs->width, - vs->bg_luma, vs->bg_cb, vs->bg_cr); - - index = vs->top_of_screen * COLS; - x = (vs->x + vs->charwidth) & ~1; - for (row = 0; row < ROWS; row++) { - y = vs->y + row * vs->rowheight + vs->rowheight; - if (osd_string_visible (vs->line[row])) { - if (scanline >= y && scanline < y + vs->rowheight) { - - int startx; - int strx; - - startx = x - xpos; - strx = 0; - - if (startx < 0) { - strx = -startx; - startx = 0; - } - - - if (startx < width) { - - if (vs->captions) - blit_colour_packed422_scanline (output + (startx * 2), - osd_string_get_width (vs->line[row]), - vs->bg_luma, vs->bg_cb, vs->bg_cr); - - osd_string_composite_packed422_scanline (vs->line[row], - output + (startx * 2), - output + (startx * 2), width - startx, strx, scanline - y); - } - } - index++; - } - } - } -} |