3 JPEG to SWF converter tool
5 Part of the swftools package.
7 Copyright (c) 2001 Rainer Böhme <rfxswf@reflex-studio.de>
8 Copyright (c) 2002,2003 Matthias Kramm <kramm@quiss.org>
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
28 #include "../lib/rfxswf.h"
29 #include "../lib/args.h" // not really a header ;-)
31 #define MAX_INPUT_FILES 1024
32 #define VERBOSE(x) (global.verbose>=x)
47 typedef struct _image {
53 image_t image[MAX_INPUT_FILES];
57 TAG *MovieStart(SWF * swf, float framerate, int dx, int dy)
62 memset(swf, 0x00, sizeof(SWF));
65 swf->frameRate = (int)(256.0 * framerate);
66 swf->movieSize.xmax = dx * 20;
67 swf->movieSize.ymax = dy * 20;
69 t = swf->firstTag = swf_InsertTag(NULL, ST_SETBACKGROUNDCOLOR);
71 rgb.r = rgb.g = rgb.b = rgb.a = 0x00;
75 t = swf_InsertTag(t, ST_DEFINEVIDEOSTREAM);
76 swf_SetU16(t, 0xf00d);
77 swf_SetVideoStreamDefine(t, &stream, 65535, dx, dy);
83 int MovieFinish(SWF * swf, TAG * t, char *sname)
85 int handle, so = fileno(stdout);
86 t = swf_InsertTag(t, ST_END);
88 if ((!isatty(so)) && (!sname))
93 handle = open(sname, O_BINARY | O_RDWR | O_CREAT | O_TRUNC, 0666);
95 if (swf_WriteSWF(handle, swf)<0)
96 fprintf(stderr, "Unable to write output file: %s\n", sname);
104 int getJPEG(char*filename, int* width, int* height, RGBA**pic2)
106 struct jpeg_decompress_struct cinfo;
107 struct jpeg_error_mgr jerr;
108 struct jpeg_source_mgr mgr;
114 if ((f=fopen(filename,"rb"))==NULL) {
115 fprintf(stderr, "rfxswf: file open error\n");
119 cinfo.err = jpeg_std_error(&jerr);
120 jpeg_create_decompress(&cinfo);
121 jpeg_stdio_src(&cinfo, f);
122 jpeg_read_header(&cinfo, TRUE);
123 jpeg_start_decompress(&cinfo);
125 pic = malloc(cinfo.output_width*cinfo.output_height*sizeof(RGBA));
126 buf = malloc(cinfo.output_width*4);
127 memset(pic, 255, cinfo.output_width*cinfo.output_height*sizeof(RGBA));
130 *width = cinfo.output_width;
131 *height = cinfo.output_height;
133 for (y=0;y<cinfo.output_height;y++) {
135 jpeg_read_scanlines(&cinfo,&buf,1);
137 if(cinfo.out_color_space == JCS_GRAYSCALE) {
138 for(x=0;x<cinfo.output_width;x++) {
139 js[x].r = js[x].g = js[x].b = buf[x];
141 } else if(cinfo.out_color_space == JCS_RGB) {
142 for (x=0;x<cinfo.output_width;x++)
144 js[x].r = buf[x*3+0];
145 js[x].g = buf[x*3+1];
146 js[x].b = buf[x*3+2];
148 } else if(cinfo.out_color_space == JCS_YCCK) {
150 fprintf(stderr, "Error: Can't convert YCCK to RGB.\n");
152 } else if(cinfo.out_color_space == JCS_YCbCr) {
153 for(x=0;x<cinfo.output_width;x++) {
157 js[x].r = y + ((360*(v-128))>>8);
158 js[x].g = y - ((88*(u-128)+183*(v-128))>>8);
159 js[x].b = y + ((455 * (u-128))>>8);
162 else if(cinfo.out_color_space == JCS_CMYK)
164 for(x=0;x<cinfo.output_width;x++) {
165 int white = 255 - buf[x*4+3];
166 js[x].r = white - ((buf[x*4]*white)>>8);
167 js[x].g = white - ((buf[x*4+1]*white)>>8);
168 js[x].b = white - ((buf[x*4+2]*white)>>8);
171 js += cinfo.output_width;
174 jpeg_finish_decompress(&cinfo);
175 jpeg_destroy_decompress(&cinfo);
184 TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int quality,
185 int id, int width, int height)
198 getJPEG(sname, &sizex, &sizey, &pic2);
199 if(sizex != stream.owidth || sizey != stream.oheight) {
200 fprintf(stderr, "All images must have the same dimensions if using -m!");
204 t = swf_InsertTag(t, ST_VIDEOFRAME);
205 swf_SetU16(t, 0xf00d);
206 quant = 1+(30-(30*quality)/100);
208 swf_SetVideoStreamIFrame(t, &stream, pic2, quant);
210 swf_SetVideoStreamPFrame(t, &stream, pic2, quant);
213 t = swf_InsertTag(t, ST_PLACEOBJECT2);
214 swf_GetPlaceObject(0, &obj);
223 swf_SetPlaceObject(t,&obj);
225 t = swf_InsertTag(t, ST_SHOWFRAME);
227 t = swf_InsertTag(t, ST_DEFINEBITSJPEG2);
228 swf_SetU16(t, id); // id
229 swf_SetJPEGBits(t,sname,quality);
231 t = swf_InsertTag(t, ST_DEFINESHAPE);
233 swf_GetMatrix(NULL, &m);
236 fs = swf_ShapeAddBitmapFillStyle(s, &m, id, 0);
237 swf_SetU16(t, id + 1); // id
240 r.ymax = height * 20;
242 swf_SetShapeHeader(t, s);
243 swf_ShapeSetAll(t, s, 0, 0, 0, fs, 0);
244 swf_ShapeSetLine(t, s, r.xmax, 0);
245 swf_ShapeSetLine(t, s, 0, r.ymax);
246 swf_ShapeSetLine(t, s, -r.xmax, 0);
247 swf_ShapeSetLine(t, s, 0, -r.ymax);
250 t = swf_InsertTag(t, ST_REMOVEOBJECT2);
251 swf_SetU16(t, 1); // depth
253 t = swf_InsertTag(t, ST_PLACEOBJECT2);
254 swf_GetMatrix(NULL, &m);
255 m.tx = (swf->movieSize.xmax - (int) width * 20) / 2;
256 m.ty = (swf->movieSize.ymax - (int) height * 20) / 2;
257 swf_ObjectPlace(t, id + 1, 1, &m, NULL, NULL);
259 t = swf_InsertTag(t, ST_SHOWFRAME);
266 int CheckInputFile(image_t* i, char *fname, char **realname)
268 struct jpeg_decompress_struct cinfo;
269 struct jpeg_error_mgr jerr;
271 char *s = malloc(strlen(fname) + 5);
279 // Check whether file exists (with typical extensions)
281 if ((f = fopen(s, "rb")) == NULL) {
282 sprintf(s, "%s.jpg", fname);
283 if ((f = fopen(s, "rb")) == NULL) {
284 sprintf(s, "%s.jpeg", fname);
285 if ((f = fopen(s, "rb")) == NULL) {
286 sprintf(s, "%s.JPG", fname);
287 if ((f = fopen(s, "rb")) == NULL) {
288 sprintf(s, "%s.JPEG", fname);
289 if ((f = fopen(s, "rb")) == NULL)
296 cinfo.err = jpeg_std_error(&jerr);
297 jpeg_create_decompress(&cinfo);
298 jpeg_stdio_src(&cinfo, f);
299 jpeg_read_header(&cinfo, TRUE);
301 width = cinfo.image_width;
302 height = cinfo.image_height;
307 // Get image dimensions
309 if (global.max_image_width < width)
310 global.max_image_width = width;
311 if (global.max_image_height < height)
312 global.max_image_height = height;
314 jpeg_destroy_decompress(&cinfo);
320 int args_callback_option(char *arg, char *val)
329 global.quality = atoi(val);
330 if ((global.quality < 1) ||(global.quality > 100)) {
333 "Error: You must specify a valid quality between 1 and 100.\n");
341 global.framerate = atof(val);
342 if ((global.framerate < 1.0/256) || (global.framerate >= 256.0)) {
345 "Error: You must specify a valid framerate between 1 and 10000.\n");
353 global.outfile = val;
359 global.verbose = atoi(val);
365 global.force_width = atoi(val);
375 global.force_height = atoi(val);
380 printf("jpeg2swf - part of %s %s\n", PACKAGE, VERSION);
390 fprintf(stderr, "Unknown option: -%s\n", arg);
397 static struct options_t options[] = {
409 int args_callback_longoption(char *name, char *val)
411 return args_long2shortoption(options, name, val);
414 int args_callback_command(char *arg, char *next) // actually used as filename
417 image_t* i = &image[global.nfiles];
418 if (CheckInputFile(i, arg, &s) < 0) {
420 fprintf(stderr, "Unable to open input file: %s\n", arg);
424 i->quality = global.quality;
426 if (global.nfiles >= MAX_INPUT_FILES) {
428 fprintf(stderr, "Error: Too many input files.\n");
435 void args_callback_usage(char *name)
438 printf("Usage: %s [-options [value]] imagefiles[.jpg]|[.jpeg] [...]\n", name);
440 printf("-o , --output <outputfile> Explicitly specify output file. (otherwise, output.swf will be used)\n");
441 printf("-m , --mx Use Flash MX H.263 compression (use for correlated images)\n");
442 printf("-q , --quality <quality> Set compression quality (1-100, 1=worst, 100=best)\n");
443 printf("-r , --rate <framerate> Set movie framerate (frames per second)\n");
444 printf("-X , --width <width> Force movie width to <width> (default: autodetect)\n");
445 printf("-Y , --height <height> Force movie height to <height> (default: autodetect)\n");
446 printf("-v , --verbose <level> Set verbose level to <level> (0=quiet, 1=default, 2=debug)\n");
447 printf("-V , --version Print version information and exit\n");
452 int main(int argc, char **argv)
457 memset(&global, 0x00, sizeof(global));
460 global.framerate = 1.0;
463 processargs(argc, argv);
466 fprintf(stderr, "Processing %i file(s)...\n", global.nfiles);
468 t = MovieStart(&swf, global.framerate,
469 global.force_width ? global.force_width : global.
471 global.force_height ? global.force_height : global.
476 for (i = 0; i < global.nfiles; i++) {
478 fprintf(stderr, "[%03i] %s (%i%%, 1/%i)\n", i,
479 image[i].filename, image[i].quality);
480 t = MovieAddFrame(&swf, t, image[i].filename, image[i].quality,
482 image[i].width, image[i].height);
483 free(image[i].filename);
487 MovieFinish(&swf, t, global.outfile);