diff options
Diffstat (limited to 'gst/vbidec/vbiscreen.c')
| -rw-r--r-- | gst/vbidec/vbiscreen.c | 1138 |
1 files changed, 610 insertions, 528 deletions
diff --git a/gst/vbidec/vbiscreen.c b/gst/vbidec/vbiscreen.c index bcce79e2..f441ba78 100644 --- a/gst/vbidec/vbiscreen.c +++ b/gst/vbidec/vbiscreen.c @@ -50,7 +50,8 @@ #define FONT_SIZE 20 typedef struct osd_string_s osd_string_t; -struct osd_string_s { +struct osd_string_s +{ int width; int height; int r, g, b; @@ -58,684 +59,765 @@ struct osd_string_s { GstVBIDec *vbidec; }; -osd_string_t *osd_string_new(char *c, int s, int w, int h, int a, void *user_data) { +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)); + + 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; + os->vbidec = (GstVBIDec *) user_data; return os; } -void osd_string_show_text(osd_string_t *os, char *s, int len ) { + +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); + gst_vbidec_show_text (os->vbidec, s, len); } } -int osd_string_get_height(osd_string_t *os) { +int +osd_string_get_height (osd_string_t * os) +{ return os->height; } -int osd_string_get_width(osd_string_t *os) { + +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_delete (osd_string_t * os) +{ + free (os); } -void osd_string_set_colour_rgb(osd_string_t *os, int r, int g, int b) { + +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) { + +void +blit_colour_packed422_scanline (unsigned char *d, int w, int luma, int cb, + int cr) +{ } -int osd_string_visible(osd_string_t *os) { +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) { + +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 { +struct vbiscreen_s +{ + + osd_string_t *line[ROWS]; - osd_string_t *line[ ROWS ]; + char buffers[ROWS * COLS * 2]; + char text[2 * ROWS * COLS]; + char hiddenbuf[COLS]; + char paintbuf[ROWS * COLS]; - 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; - unsigned int fgcolour; - unsigned int bgcolour; - int bg_luma, bg_cb, bg_cr; + int frame_width; + int frame_height; + int frame_aspect; - 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 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; + 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; + char *fontfile; + int fontsize; + int verbose; - void *user_data; + void *user_data; }; -vbiscreen_t *vbiscreen_new( int video_width, int video_height, - double video_aspect, 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)); + int i = 0, fontsize = FONT_SIZE; + vbiscreen_t *vs = (vbiscreen_t *) malloc (sizeof (struct vbiscreen_s)); - if( !vs ) { - return NULL; - } + 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); - } + 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; - } + 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 ); + 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; } - memset( vs->text, 0, 2 * ROWS * COLS ); - return vs; + 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 ) +void +blank_screen (vbiscreen_t * vs) { - int i; + int i; - if( vs->verbose ) fprintf( stderr, "in blank\n"); - for( i = 0; i < ROWS; i++ ) { - osd_string_show_text( vs->line[ i ], " ", 0 ); - } + 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 ) +void +clear_screen (vbiscreen_t * vs) { - int base, i; - if( !vs ) return; + int base, i; - 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 ); + 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 ) +void +clear_hidden_roll (vbiscreen_t * vs) { - if( !vs ) return; - memset( vs->hiddenbuf, 0, COLS ); + if (!vs) + return; + memset (vs->hiddenbuf, 0, COLS); } -void clear_hidden_pop( vbiscreen_t *vs ) +void +clear_hidden_pop (vbiscreen_t * vs) { - if( !vs ) return; - memset( vs->buffers + vs->curbuffer * COLS * ROWS , 0, COLS * ROWS ); + if (!vs) + return; + memset (vs->buffers + vs->curbuffer * COLS * ROWS, 0, COLS * ROWS); } -void clear_hidden_paint( vbiscreen_t *vs ) +void +clear_hidden_paint (vbiscreen_t * vs) { - if( !vs ) return; - memset( vs->paintbuf , 0, COLS * ROWS ); + if (!vs) + return; + memset (vs->paintbuf, 0, COLS * ROWS); } -void clear_displayed_pop( vbiscreen_t *vs ) +void +clear_displayed_pop (vbiscreen_t * vs) { - if( !vs ) return; - memset( vs->buffers + ( vs->curbuffer ^ 1 ) * COLS * ROWS , 0, COLS * ROWS ); + if (!vs) + return; + memset (vs->buffers + (vs->curbuffer ^ 1) * COLS * ROWS, 0, COLS * ROWS); } -void vbiscreen_dump_screen_text( vbiscreen_t *vs ) +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 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 ) +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 ] = ' '; - } + 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 ); + 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; + return haschars; } -void update_row( vbiscreen_t *vs ) +void +update_row (vbiscreen_t * vs) { - if( !vs ) return; + if (!vs) + return; - update_row_x( vs, vs->cury ); - //vbiscreen_dump_screen_text( vs ); + update_row_x (vs, vs->cury); + //vbiscreen_dump_screen_text( vs ); } -void update_all_rows( vbiscreen_t *vs ) +void +update_all_rows (vbiscreen_t * vs) { - int row = 0; + int row = 0; - if( !vs ) return; + if (!vs) + return; - for( row = 0; row < ROWS; row++ ) { - update_row_x( vs, row ); - } - //vbiscreen_dump_screen_text( vs ); + for (row = 0; row < ROWS; row++) { + update_row_x (vs, row); + } + //vbiscreen_dump_screen_text( vs ); } -void vbiscreen_delete( vbiscreen_t *vs ) +void +vbiscreen_delete (vbiscreen_t * vs) { - free( vs ); + free (vs); } -void copy_row_to_screen( vbiscreen_t *vs, char *row ) +void +copy_row_to_screen (vbiscreen_t * vs, char *row) { - int base, i, j; + 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 ); + 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 ) +void +scroll_screen (vbiscreen_t * vs) { - int start_row; + 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 ); + if (!vs || !vs->captions || !vs->style || vs->style > ROLL_4) + return; - /* 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; + 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 ) +void +vbiscreen_set_verbose (vbiscreen_t * vs, int verbose) { - vs->verbose = verbose; + vs->verbose = verbose; } -void vbiscreen_new_caption( vbiscreen_t *vs, int indent, int ital, - unsigned int colour, int row ) +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 { + 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 ); - } + 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; - } + 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; - } + } + 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); } - vs->captions = caption; - vs->style = style; -} + 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; + } + } -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; + vs->captions = caption; + vs->style = style; } -void vbiscreen_set_colour( vbiscreen_t *vs, unsigned int col ) +void +vbiscreen_tab (vbiscreen_t * vs, int cols) { - if( !vs ) return; - vs->fgcolour = col; + if (!vs) + return; + if (cols < 0 || cols > 3) + return; + vs->curx += cols; + if (vs->curx > 31) + vs->curx = 31; } -void vbiscreen_clear_current_cell( vbiscreen_t *vs ) +void +vbiscreen_set_colour (vbiscreen_t * vs, unsigned int col) { - vs->text[ ( ( vs->top_of_screen + vs->cury ) % ( 2 * ROWS ) ) * COLS - + vs->curx + vs->indent ] = 0; + if (!vs) + return; + vs->fgcolour = col; } -void vbiscreen_set_current_cell( vbiscreen_t *vs, char text ) +void +vbiscreen_clear_current_cell (vbiscreen_t * vs) { - 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 ] = ' '; + vs->text[((vs->top_of_screen + vs->cury) % (2 * ROWS)) * COLS + + vs->curx + vs->indent] = 0; } -void vbiscreen_delete_to_end( vbiscreen_t *vs ) +void +vbiscreen_set_current_cell (vbiscreen_t * vs, char text) { - 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 ); + 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_backspace( vbiscreen_t *vs ) +void +vbiscreen_delete_to_end (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 ); + 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_erase_displayed( vbiscreen_t *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) + return; + if (vs->verbose) + fprintf (stderr, "in erase disp\n"); - if( vs->captions && vs->style && vs->style <= ROLL_4 ) { - clear_hidden_roll( vs ); - } + if (vs->captions && vs->style && vs->style <= ROLL_4) { + clear_hidden_roll (vs); + } - clear_displayed_pop( vs ); - clear_screen( vs ); + clear_displayed_pop (vs); + clear_screen (vs); } -void vbiscreen_erase_non_displayed( vbiscreen_t *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 ); + 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 ); - } + } else if (vs->captions && vs->style && vs->style <= ROLL_4) { + clear_hidden_roll (vs); + } } -void vbiscreen_carriage_return( vbiscreen_t *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 ); - } + 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--; + /* keep cursor on bottom for rollup */ + if (vs->captions && vs->style && vs->style <= ROLL_4) + vs->cury--; - vs->cury++; - vs->curx = 0; + vs->cury++; + vs->curx = 0; } -void copy_buf_to_screen( vbiscreen_t *vs, char *buf ) +void +copy_buf_to_screen (vbiscreen_t * vs, char *buf) { - int base, i, j; - if( !vs ) return; + int base, i, j; - 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 ); + 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 ) +void +vbiscreen_end_of_caption (vbiscreen_t * vs) { - /*int i;*/ - if( !vs ) return; - if( vs->verbose ) fprintf( stderr, "in end of caption\n"); + /*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; +} - 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; +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++; } - /* 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->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 == PAINT_ON) { + if (vs->curx != COLS - 1) { + vs->paintbuf[vs->curx + vs->cury * COLS] = c1; + vs->curx++; } - 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; - } + 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; } -} -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++; - } - } + 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++; + } + } + } +} |