/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- MovieStart
- MovieFinish
- getJPEG
- MovieAddFrame
- CheckInputFile
- args_callback_option
- args_callback_longoption
- args_callback_command
- args_callback_usage
- main
/* jpeg2swf.c
JPEG to SWF converter tool
Part of the swftools package.
Copyright (c) 2001 Rainer Böhme <rfxswf@reflex-studio.de>
Copyright (c) 2002,2003 Matthias Kramm <kramm@quiss.org>
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <stdio.h>
#include <math.h>
#include <fcntl.h>
#include <jpeglib.h>
#include "../lib/rfxswf.h"
#include "../lib/args.h" // not really a header ;-)
#define MAX_INPUT_FILES 1024
#define VERBOSE(x) (global.verbose>=x)
struct {
int quality;
float framerate;
int max_image_width;
int max_image_height;
int force_width;
int force_height;
int nfiles;
int verbose;
char *outfile;
int mx;
int next_id;
char *asset_name;
int version;
int fit_to_movie;
float scale;
} global;
static int custom_move=0;
static int move_x=0;
static int move_y=0;
static int clip_x1=0,clip_y1=0,clip_x2=0,clip_y2=0;
static int custom_clip = 0;
typedef struct _image {
char *filename;
int quality;
int width;
int height;
} image_t;
image_t image[MAX_INPUT_FILES];
VIDEOSTREAM stream;
TAG *MovieStart(SWF * swf, float framerate, int dx, int dy)
{
TAG *t;
RGBA rgb;
memset(swf, 0x00, sizeof(SWF));
swf->fileVersion = global.version;
swf->frameRate = (int)(256.0 * framerate);
if(custom_clip) {
swf->movieSize.xmin = clip_x1 * 20;
swf->movieSize.ymin = clip_y1 * 20;
swf->movieSize.xmax = clip_x2 * 20;
swf->movieSize.ymax = clip_y2 * 20;
} else {
swf->movieSize.xmin = 0;
swf->movieSize.ymin = 0;
swf->movieSize.xmax = swf->movieSize.xmin + dx * 20;
swf->movieSize.ymax = swf->movieSize.ymin + dy * 20;
}
t = swf->firstTag = swf_InsertTag(NULL, ST_SETBACKGROUNDCOLOR);
rgb.r = rgb.g = rgb.b = rgb.a = 0x00;
swf_SetRGB(t, &rgb);
if (global.mx) {
t = swf_InsertTag(t, ST_DEFINEVIDEOSTREAM);
swf_SetU16(t, 0xf00d);
swf_SetVideoStreamDefine(t, &stream, 65535, dx, dy);
} else if (global.asset_name) {
t = swf_InsertTag(t, ST_DEFINESPRITE);
swf_SetU16(t, 1);
swf_SetU16(t, global.next_id++);
}
return t;
}
int MovieFinish(SWF * swf, TAG * t, char *sname)
{
int handle, so = fileno(stdout);
if (global.asset_name) {
SWFPLACEOBJECT obj;
t = swf_InsertTag(t, ST_END);
t = swf_InsertTag(t, ST_EXPORTASSETS);
swf_SetU16(t, 1);
swf_SetU16(t, 1);
swf_SetString(t, global.asset_name);
t = swf_InsertTag(t, ST_PLACEOBJECT2);
swf_GetPlaceObject(0, &obj);
obj.depth = 1;
obj.id = 1;
swf_SetPlaceObject(t, &obj);
t = swf_InsertTag(t, ST_SHOWFRAME);
}
t = swf_InsertTag(t, ST_END);
if ((!isatty(so)) && (!sname))
handle = so;
else {
if (!sname)
sname = "output.swf";
handle = open(sname, O_BINARY | O_RDWR | O_CREAT | O_TRUNC, 0666);
}
if(handle<0 && sname) {
perror(sname);
}
if (swf_WriteSWF(handle, swf)<0)
fprintf(stderr, "Unable to write output file: %s\n", sname);
if (handle != so)
close(handle);
swf_FreeTags(swf);
return 0;
}
int getJPEG(char*filename, int* width, int* height, RGBA**pic2)
{
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
struct jpeg_source_mgr mgr;
int x,y;
FILE*f;
RGBA*pic,*js;
U8*buf;
if ((f=fopen(filename,"rb"))==NULL) {
fprintf(stderr, "rfxswf: file open error\n");
return 0;
}
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_decompress(&cinfo);
jpeg_stdio_src(&cinfo, f);
jpeg_read_header(&cinfo, TRUE);
jpeg_start_decompress(&cinfo);
pic = malloc(cinfo.output_width*cinfo.output_height*sizeof(RGBA));
buf = malloc(cinfo.output_width*4);
memset(pic, 255, cinfo.output_width*cinfo.output_height*sizeof(RGBA));
js = pic;
*width = cinfo.output_width;
*height = cinfo.output_height;
for (y=0;y<cinfo.output_height;y++) {
int x;
jpeg_read_scanlines(&cinfo,&buf,1);
if(cinfo.out_color_space == JCS_GRAYSCALE) {
for(x=0;x<cinfo.output_width;x++) {
js[x].r = js[x].g = js[x].b = buf[x];
}
} else if(cinfo.out_color_space == JCS_RGB) {
for (x=0;x<cinfo.output_width;x++)
{
js[x].r = buf[x*3+0];
js[x].g = buf[x*3+1];
js[x].b = buf[x*3+2];
}
} else if(cinfo.out_color_space == JCS_YCCK) {
//FIXME
fprintf(stderr, "Error: Can't convert YCCK to RGB.\n");
return -1;
} else if(cinfo.out_color_space == JCS_YCbCr) {
for(x=0;x<cinfo.output_width;x++) {
int y = buf[x*3+0];
int u = buf[x*3+1];
int v = buf[x*3+1];
js[x].r = y + ((360*(v-128))>>8);
js[x].g = y - ((88*(u-128)+183*(v-128))>>8);
js[x].b = y + ((455 * (u-128))>>8);
}
}
else if(cinfo.out_color_space == JCS_CMYK)
{
for(x=0;x<cinfo.output_width;x++) {
int white = 255 - buf[x*4+3];
js[x].r = white - ((buf[x*4]*white)>>8);
js[x].g = white - ((buf[x*4+1]*white)>>8);
js[x].b = white - ((buf[x*4+2]*white)>>8);
}
}
js += cinfo.output_width;
}
jpeg_finish_decompress(&cinfo);
jpeg_destroy_decompress(&cinfo);
free(buf);
*pic2 = pic;
return 1;
}
int frame = 0;
TAG *MovieAddFrame(SWF * swf, TAG * t, char *sname, int quality,
int width, int height)
{
SHAPE *s;
SRECT r;
MATRIX m;
int fs;
int movie_width = swf->movieSize.xmax - swf->movieSize.xmin;
int movie_height = swf->movieSize.ymax - swf->movieSize.ymin;
if(global.mx) {
int sizex, sizey;
RGBA * pic2;
SWFPLACEOBJECT obj;
int quant=0;
getJPEG(sname, &sizex, &sizey, &pic2);
if(sizex != stream.owidth || sizey != stream.oheight) {
fprintf(stderr, "All images must have the same dimensions if using -m!");
exit(1);
}
t = swf_InsertTag(t, ST_VIDEOFRAME);
swf_SetU16(t, 0xf00d);
quant = 1+(30-(30*quality)/100);
if(!(frame%20)) {
swf_SetVideoStreamIFrame(t, &stream, pic2, quant);
} else {
swf_SetVideoStreamPFrame(t, &stream, pic2, quant);
}
t = swf_InsertTag(t, ST_PLACEOBJECT2);
swf_GetPlaceObject(0, &obj);
if(frame==0) {
obj.depth = 1;
obj.id = 0xf00d;
} else {
obj.depth = 1;
obj.move = 1;
obj.ratio = frame;
}
swf_SetPlaceObject(t,&obj);
t = swf_InsertTag(t, ST_SHOWFRAME);
} else {
t = swf_InsertTag(t, ST_DEFINEBITSJPEG2);
swf_SetU16(t, global.next_id); // id
swf_SetJPEGBits(t,sname,quality);
t = swf_InsertTag(t, ST_DEFINESHAPE);
swf_ShapeNew(&s);
swf_GetMatrix(NULL, &m);
if (global.fit_to_movie) {
m.sx = 0x10000 * movie_width / width;
m.sy = 0x10000 * movie_height / height;
width = movie_width / 20;
height = movie_height / 20;
} else {
m.sx = 20 * 0x10000;
m.sy = 20 * 0x10000;
}
m.tx = 0;
m.ty = 0;
fs = swf_ShapeAddBitmapFillStyle(s, &m, global.next_id, 1);
global.next_id++;
swf_SetU16(t, global.next_id); // id
r.xmin = 0;
r.ymin = 0;
r.xmax = r.xmin + width * 20;
r.ymax = r.ymin + height * 20;
swf_SetRect(t, &r);
swf_SetShapeHeader(t, s);
swf_ShapeSetAll(t, s, r.xmin, r.ymin, 0, fs, 0);
swf_ShapeSetLine(t, s, r.xmax - r.xmin, 0);
swf_ShapeSetLine(t, s, 0, r.ymax - r.ymin);
swf_ShapeSetLine(t, s, -r.xmax + r.xmin, 0);
swf_ShapeSetLine(t, s, 0, -r.ymax + r.ymin);
swf_ShapeSetEnd(t);
if(frame) {
t = swf_InsertTag(t, ST_REMOVEOBJECT2);
swf_SetU16(t, 1); // depth
}
t = swf_InsertTag(t, ST_PLACEOBJECT2);
swf_GetMatrix(NULL, &m);
m.sx = (int)(0x10000 * global.scale);
m.sy = (int)(0x10000 * global.scale);
if(custom_move) {
m.tx = move_x*20;
m.ty = move_y*20;
} else {
m.tx = (movie_width - (width * global.scale * 20)) / 2;
m.ty = (movie_height - (height * global.scale * 20)) / 2;
}
swf_ObjectPlace(t, global.next_id, 1, &m, NULL, NULL);
global.next_id++;
t = swf_InsertTag(t, ST_SHOWFRAME);
}
frame++;
return t;
}
int CheckInputFile(image_t* i, char *fname, char **realname)
{
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
FILE *f;
char *s = malloc(strlen(fname) + 5);
int width, height;
if (!s)
exit(2);
(*realname) = s;
strcpy(s, fname);
// Check whether file exists (with typical extensions)
if ((f = fopen(s, "rb")) == NULL) {
sprintf(s, "%s.jpg", fname);
if ((f = fopen(s, "rb")) == NULL) {
sprintf(s, "%s.jpeg", fname);
if ((f = fopen(s, "rb")) == NULL) {
sprintf(s, "%s.JPG", fname);
if ((f = fopen(s, "rb")) == NULL) {
sprintf(s, "%s.JPEG", fname);
if ((f = fopen(s, "rb")) == NULL)
return -1;
}
}
}
}
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_decompress(&cinfo);
jpeg_stdio_src(&cinfo, f);
jpeg_read_header(&cinfo, TRUE);
width = cinfo.image_width;
height = cinfo.image_height;
i->width = width;
i->height = height;
// Get image dimensions
if (global.max_image_width < width)
global.max_image_width = width;
if (global.max_image_height < height)
global.max_image_height = height;
jpeg_destroy_decompress(&cinfo);
fclose(f);
return 0;
}
int args_callback_option(char *arg, char *val)
{
int res = 0;
if (arg[1])
res = -1;
else
switch (arg[0]) {
case 'q':
if (val)
global.quality = atoi(val);
if ((global.quality < 1) ||(global.quality > 100)) {
if (VERBOSE(1))
fprintf(stderr,
"Error: You must specify a valid quality between 1 and 100.\n");
exit(1);
}
res = 1;
break;
case 'r':
if (val)
global.framerate = atof(val);
if ((global.framerate < 1.0/256) || (global.framerate >= 256.0)) {
if (VERBOSE(1))
fprintf(stderr,
"Error: You must specify a valid framerate between 1 and 10000.\n");
exit(1);
}
res = 1;
break;
case 'o':
if (val)
global.outfile = val;
res = 1;
break;
case 'v':
global.verbose++;
res = 0;
break;
/* case 'q':
global.verbose--;
if(global.verbose<0)
global.verbose = 0;
res = 0;
break;*/
case 'X':
if (val)
global.force_width = atoi(val);
res = 1;
break;
case 'z':
global.version = 6;
return 0;
case 'Y':
if (val)
global.force_height = atoi(val);
res = 1;
break;
case 'V':
printf("jpeg2swf - part of %s %s\n", PACKAGE, VERSION);
exit(0);
case 'e':
if (val)
global.asset_name = val;
res = 1;
break;
case 'T':
global.version = atoi(val);
res = 1;
break;
case 'f':
global.fit_to_movie = 1;
res = 0;
break;
case 'c': {
char*s = strdup(val);
char*x1 = strtok(s, ":");
char*y1 = strtok(0, ":");
char*x2 = strtok(0, ":");
char*y2 = strtok(0, ":");
if(!(x1 && y1 && x2 && y2)) {
fprintf(stderr, "-m option requires four arguments, <x1>:<y1>:<x2>:<y2>\n");
exit(1);
}
custom_clip = 1;
clip_x1 = atoi(x1);
clip_y1 = atoi(y1);
clip_x2 = atoi(x2);
clip_y2 = atoi(y2);
free(s);
res = 1;
break;
}
case 'M': {
global.mx = 1;
res = 1;
break;
}
case 'm': {
char*s = strdup(val);
char*c = strchr(s, ':');
if(!c) {
fprintf(stderr, "-m option requires two arguments, <x>:<y>\n");
exit(1);
}
*c = 0;
custom_move = 1;
move_x = atoi(val);
move_y = atoi(c+1);
free(s);
res = 1;
break;
}
case 's': {
global.scale = atof(val)/100;
res = 1;
break;
}
default:
res = -1;
break;
}
if (res < 0) {
if (VERBOSE(1))
fprintf(stderr, "Unknown option: -%s\n", arg);
exit(1);
return 0;
}
return res;
}
static struct options_t options[] = {
{"o", "output"},
{"q", "quality"},
{"r", "rate"},
{"z", "zlib"},
{"M", "mx"},
{"x", "xoffset"},
{"y", "yoffset"},
{"X", "width"},
{"Y", "height"},
{"T", "flashversion"},
{"v", "verbose"},
{"V", "version"},
{"f", "fit-to-movie"},
{"e", "export"},
{0,0}
};
int args_callback_longoption(char *name, char *val)
{
return args_long2shortoption(options, name, val);
}
int args_callback_command(char *arg, char *next) // actually used as filename
{
char *s;
image_t* i = &image[global.nfiles];
if (CheckInputFile(i, arg, &s) < 0) {
if (VERBOSE(1))
fprintf(stderr, "Unable to open input file: %s\n", arg);
free(s);
} else {
i->filename = s;
i->quality = global.quality;
global.nfiles++;
if (global.nfiles >= MAX_INPUT_FILES) {
if (VERBOSE(1))
fprintf(stderr, "Error: Too many input files.\n");
exit(1);
}
}
return 0;
}
void args_callback_usage(char *name)
{
printf("\n");
printf("Usage: %s [-options [value]] imagefiles[.jpg]|[.jpeg] [...]\n", name);
printf("\n");
printf("-o , --output <outputfile> Explicitly specify output file. (otherwise, output.swf will be used)\n");
printf("-q , --quality <quality> Set compression quality (1-100, 1=worst, 100=best)\n");
printf("-r , --rate <framerate> Set movie framerate (frames per second)\n");
printf("-z , --zlib <zlib> Enable Flash 6 (MX) Zlib Compression\n");
printf("-M , --mx Use Flash MX H.263 compression (use for correlated images)\n");
printf("-x , --xoffset <offset> horizontally offset images by <offset>\n");
printf("-y , --yoffset <offset> vertically offset images by <offset>\n");
printf("-X , --width <width> Force movie width to <width> (default: autodetect)\n");
printf("-Y , --height <height> Force movie height to <height> (default: autodetect)\n");
printf("-T , --flashversion <version> Set flash file version to <version>\n");
printf("-v , --verbose <level> Set verbose level to <level> (0=quiet, 1=default, 2=debug)\n");
printf("-V , --version Print version information and exit\n");
printf("-f , --fit-to-movie Fit images to movie size\n");
printf("-e , --export <assetname> Make importable as asset with <assetname>\n");
printf("\n");
}
int main(int argc, char **argv)
{
SWF swf;
TAG *t;
memset(&global, 0x00, sizeof(global));
global.quality = 60;
global.framerate = 1.0;
global.verbose = 1;
global.version = 4;
global.asset_name = NULL;
global.next_id = 1;
global.fit_to_movie = 0;
global.scale = 1.0;
processargs(argc, argv);
if (VERBOSE(2))
fprintf(stderr, "Processing %i file(s)...\n", global.nfiles);
t = MovieStart(&swf, global.framerate,
global.force_width ? global.force_width : (int)(global.max_image_width*global.scale),
global.force_height ? global.force_height : (int)(global.max_image_height*global.scale));
{
int i;
for (i = 0; i < global.nfiles; i++) {
if (VERBOSE(3))
fprintf(stderr, "[%03i] %s (%i%%)\n", i,
image[i].filename, image[i].quality);
t = MovieAddFrame(&swf, t, image[i].filename, image[i].quality,
image[i].width, image[i].height);
free(image[i].filename);
}
}
MovieFinish(&swf, t, global.outfile);
return 0;
}