diff options
Diffstat (limited to 'blinkenlights/blinkenlights.c')
| -rw-r--r-- | blinkenlights/blinkenlights.c | 221 |
1 files changed, 212 insertions, 9 deletions
diff --git a/blinkenlights/blinkenlights.c b/blinkenlights/blinkenlights.c index 3aca7cd..902e9ce 100644 --- a/blinkenlights/blinkenlights.c +++ b/blinkenlights/blinkenlights.c @@ -26,6 +26,13 @@ /* Culturcide : Bruce */ /* ---------------------------------------------------------------------------- */ +//added functions: +//"static void blinkenlights_findframes(t_blinkenlights *x)" +//this is to remember the frame positions in the .blm file + +//"static void blinkenlights_goto(t_blinkenlights* x, t_float frame)" +//with a "goto $1" message, you can stratch the blm film. note that the +//range of $1 is 0 to 1 #include <sys/types.h> @@ -35,7 +42,7 @@ #include <stdlib.h> #include <fcntl.h> #include <sys/stat.h> -#ifndef __APPLE__ +#ifndef MACOSX #include <malloc.h> #endif #include <ctype.h> @@ -46,7 +53,7 @@ #include "m_pd.h" /* standard pd stuff */ #include "g_canvas.h" /* some pd's graphical functions */ -static char *blinkenlights_version = "blinkenlights: a blinkenlights movies player version 0.1 ( bugs @ ydegoyon@free.fr )"; +static char *blinkenlights_version = "blinkenlights: a blinkenlights movies player version 0.2 ( bugs @ ydegoyon@free.fr and chun@goto10.org )"; static int guidebug=0; @@ -107,6 +114,13 @@ typedef struct _blinkenlights t_int x_timer; /* timer read from bl movie */ t_int *x_frame; /* frame contents */ t_clock *x_clock; /* clock used for reading frames */ + t_outlet *outlet_bang; + t_int frame_no; + t_int frame_pos[BL_MAX_LENGTH]; + t_clock *x_clock2; + t_int x_timer2; + t_float frame_inc; + } t_blinkenlights; static void blinkenlights_close(t_blinkenlights *x); @@ -125,6 +139,11 @@ static void blinkenlights_free(t_blinkenlights *x) clock_unset( x->x_clock ); clock_free( x->x_clock ); } + if ( x->x_clock2 != NULL ) + { + clock_unset( x->x_clock2 ); + clock_free( x->x_clock2 ); + } post( "blinkenlights : done" ); } @@ -162,6 +181,10 @@ static void *blinkenlights_new(t_float fwidth, t_float fheight, t_float fxpixsiz x->x_foreground = (char*) getbytes( 8 ); strncpy( x->x_foreground, BL_FOREGROUND_COLOR, 7 ); x->x_foreground[7] = '\0'; + x->x_timer2 = 40; + x->frame_inc = 0; + + x->outlet_bang = outlet_new(&x->x_obj, &s_bang); return(x); } @@ -447,6 +470,8 @@ static void blinkenlights_readframe(t_blinkenlights *x) char *lineread = (char*) getbytes( BL_MAX_LENGTH ); t_int flineno = 0; t_int width, height, nwidth; + + //post( "blinkenlights: being readframe:>%s<", lineread ); if ( !x->x_ecanvas ) { @@ -463,12 +488,14 @@ static void blinkenlights_readframe(t_blinkenlights *x) // skip header and empty lines while ( lineread[0] == '#' || lineread[0] == '\n' || lineread[0] == '\0' ) - { - // post( "blinkenlights : skipped line : >%s<", lineread ); + { + + //post( "blinkenlights : skipped line : >%s<", lineread ); if ( fgets( lineread, BL_MAX_LENGTH, x->x_filed ) == 0 ) { post( "blinkenlights : end of file detected : looping..." ); fseek( x->x_filed, 0L, SEEK_SET ); + outlet_bang(x->outlet_bang); } } @@ -561,6 +588,132 @@ static void blinkenlights_readframe(t_blinkenlights *x) if ( lineread ) freebytes( lineread, BL_MAX_LENGTH ); } +//------------------------------------------------------------------------- +//--chun's functions begin here... +//------------------------------------------------------------------------- +/* remember all the frame positions */ +static void blinkenlights_findframes(t_blinkenlights *x) +{ + int i =0; + + x->frame_no = 0; + + for(i=0;;i++) + { + char *lineread = (char*) getbytes( BL_MAX_LENGTH ); + + fgets( lineread, BL_MAX_LENGTH, x->x_filed ); + if(strlen(lineread) == 0) break; + + if(lineread[0] == '@') + { + x->frame_pos[x->frame_no] = ftell(x->x_filed); + x->frame_no++; + } + if (lineread) freebytes( lineread, BL_MAX_LENGTH ); + } + fseek( x->x_filed, 0L, SEEK_SET ); + post("the end:: %d frames!", x->frame_no); +} + +//------------------------------------------------------------------------- +static void blinkenlights_goto(t_blinkenlights* x) +{ + //char *lineread = (char*) getbytes( BL_MAX_LENGTH ); + char lineread[BL_MAX_LENGTH]; + int current_frame = x->frame_pos[(int)(x->frame_inc * (x->frame_no-1))]; + int i, n, width, newvalue, height, nwidth; + + t_int flineno = 0; + + fseek(x->x_filed, current_frame, SEEK_SET); + + height = 0; + width = 0; + while ( 1 ) + { + + if ( fgets( lineread, BL_MAX_LENGTH, x->x_filed ) == NULL ) + { + post( "blinkenlights : EOF not expected here !!! "); + blinkenlights_close(x); + return; + } + else + { + if ( (lineread[0] == '\0') || (lineread[0] == '#') || (lineread[0] == '\n') ) break; + // post( "blinkenlights : lineread : %s", lineread ); + + nwidth = strlen( lineread )-1; // because of the carriage return + flineno++; + height = flineno; + if ( ( nwidth != width ) && ( width != 0 ) ) + { + post( "blinkenlights : weird file : width has changed (nwidth=%d) (width=%d)", nwidth, width ); + blinkenlights_close( x ); + return; + } + width = nwidth; + if ( x->x_frame != NULL ) + { + t_int pint = 0; + t_int newvalue; + + while ( pint < width ) + { + newvalue = (int) *(lineread+pint) - 48 /* ascii value for '0' */; + if ( newvalue != *(x->x_frame+(flineno-1)*x->x_width+pint ) ) + { + *(x->x_frame+(flineno-1)*x->x_width+pint ) = newvalue; + switch ( newvalue ) + { + case 0: + // post( "pixoff %d %d", pint+1, flineno ); + blinkenlights_pixoff( x, pint+1, flineno ); + break; + case 1: + // post( "pixon %d %d", pint+1, flineno ); + blinkenlights_pixon( x, pint+1, flineno ); + break; + default: + // post("blinkenlights : wrong value found for pixel : %d (c=%c)", newvalue, *(lineread+pint) ); + break; + } + } + pint++; + } + } + if ( x->x_frame == NULL ) x->x_height++; + } + } + if ( x->x_frame == NULL ) + { + if ( x->x_filed != NULL ) if ( fseek(x->x_filed, 0L, SEEK_SET) < 0 ) + { + post( "blinkenlights : could not rewind file" ); + blinkenlights_close( x ); + return; + } + blinkenlights_width(x, width); + blinkenlights_height(x, height); + x->x_frame = ( t_int* ) getbytes( x->x_width*x->x_height*sizeof(t_int) ); + blinkenlights_readframe(x); + } + +} + +static void blinkenlights_frame_pos(t_blinkenlights* x, t_float pos) +{ + if(pos > 1 | pos < 0) post ("dude, don't be crazy!"); + else x->frame_inc = pos;; + //post("frame %d", x->frame_inc); +} + +static void blinkenlights_timer2(t_blinkenlights* x, t_float timer) +{ + x->x_timer2 = timer; + //post("frame %d", x->frame_inc); +} /* open movie */ static void blinkenlights_open(t_blinkenlights *x, t_symbol *sfile) @@ -571,7 +724,21 @@ static void blinkenlights_open(t_blinkenlights *x, t_symbol *sfile) return; } - blinkenlights_close(x); + //---------------------------------- + /* closing previous file descriptor */ + if ( x->x_filed != NULL ) { + if(fclose(x->x_filed) < 0) + { + perror( "blinkenlights : closing file" ); + } + x->x_filed = NULL; + } + if ( x->x_frame ) + { + blinkenlights_clear(x); + } + + //-------------------------------- if ( ( x->x_filed = fopen( sfile->s_name, "r" ) ) == NULL ) { @@ -579,8 +746,9 @@ static void blinkenlights_open(t_blinkenlights *x, t_symbol *sfile) return; } post( "blinkenlights : opened >%s<", sfile->s_name); - - blinkenlights_readframe(x); + // don't read the first frame when open.. + //blinkenlights_readframe(x); + blinkenlights_findframes(x); } /* play frames */ @@ -590,6 +758,13 @@ static void blinkenlights_playframes(t_blinkenlights *x) clock_delay( x->x_clock, (double)x->x_timer ); } +/* play frames2 */ +static void blinkenlights_playframes2(t_blinkenlights *x) +{ + blinkenlights_goto(x); + clock_delay( x->x_clock2, (double)x->x_timer2 ); +} + /* play movie */ static void blinkenlights_play(t_blinkenlights *x) { @@ -610,6 +785,33 @@ static void blinkenlights_play(t_blinkenlights *x) clock_delay( x->x_clock, (double)x->x_timer ); } + /* vj movie */ +static void blinkenlights_vj(t_blinkenlights *x, t_float start_vj) +{ + if ( !x->x_ecanvas ) + { + post("blinkenlights : play : canvas does not exist" ); + return; + } + + if ( x->x_filed == NULL ) + { + post( "blinkenlights : no file is opened for playing" ); + blinkenlights_close(x); + return; + } + + if(start_vj) + { + if ( x->x_clock2 == NULL ) x->x_clock2 = clock_new( x, (t_method)blinkenlights_playframes2); + clock_delay( x->x_clock2, (double)x->x_timer2 ); + } + else + { + clock_unset( x->x_clock2 ); + } +} + /* stop movie */ static void blinkenlights_stop(t_blinkenlights *x) { @@ -632,8 +834,6 @@ static void blinkenlights_stop(t_blinkenlights *x) } } - - /* jump to next frame */ static void blinkenlights_next(t_blinkenlights *x) { @@ -656,6 +856,9 @@ void blinkenlights_setup(void) class_addmethod( blinkenlights_class, (t_method)blinkenlights_next, gensym("next"), 0); class_addmethod( blinkenlights_class, (t_method)blinkenlights_play, gensym("play"), 0); class_addmethod( blinkenlights_class, (t_method)blinkenlights_stop, gensym("stop"), 0); + class_addmethod( blinkenlights_class, (t_method)blinkenlights_frame_pos, gensym("goto"), A_FLOAT, 0); + class_addmethod( blinkenlights_class, (t_method)blinkenlights_vj, gensym("vj"), A_FLOAT, 0); + class_addmethod( blinkenlights_class, (t_method)blinkenlights_timer2, gensym("timer2"), A_FLOAT, 0); class_addmethod( blinkenlights_class, (t_method)blinkenlights_background, gensym("background"), A_FLOAT, A_FLOAT, A_FLOAT, 0); class_addmethod( blinkenlights_class, (t_method)blinkenlights_foreground, gensym("foreground"), A_FLOAT, A_FLOAT, A_FLOAT, 0); class_addmethod( blinkenlights_class, (t_method)blinkenlights_destroy, gensym("destroy"), 0); |