2 Converts WAV/WAVE files to SWF.
4 Part of the swftools package.
6 Copyright (c) 2001 Matthias Kramm <kramm@quiss.org>
8 This file is distributed under the GPL, see file COPYING for details */
12 #include "../lib/rfxswf.h"
13 #include "../lib/log.h"
14 #include "../lib/args.h"
18 char * outputname = "output.swf";
21 #define DEFINESOUND_MP3 1 //define sound uses mp3?- undefine for raw sound.
23 struct options_t options[] =
38 static int definesound = 0;
39 static int framerate = 0;
40 static int samplerate = 11025;
41 static int bitrate = 32;
42 static int do_cgi = 0;
44 static int mp3_bitrates[] =
45 { 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 0};
47 int args_callback_option(char*name,char*val)
49 if(!strcmp(name, "V")) {
50 printf("wav2swf - part of %s %s\n", PACKAGE, VERSION);
53 else if(!strcmp(name, "o")) {
57 else if(!strcmp(name, "d")) {
61 else if(!strcmp(name, "l")) {
66 else if(!strcmp(name, "v")) {
70 else if(!strcmp(name, "C")) {
74 else if(!strcmp(name, "r")) {
76 sscanf(val, "%f", &f);
80 else if(!strcmp(name, "s")) {
81 samplerate = atoi(val);
82 if(samplerate > 5000 && samplerate < 6000)
84 else if(samplerate > 11000 && samplerate < 12000)
86 else if(samplerate > 22000 && samplerate < 23000)
88 else if(samplerate > 44000 && samplerate < 45000)
91 fprintf(stderr, "Invalid samplerate: %d\n", samplerate);
92 fprintf(stderr, "Allowed values: 11025, 22050\n", samplerate);
97 else if(!strcmp(name, "b")) {
101 fprintf(stderr, "Not a valid bitrate: %s\n", val);
105 fprintf(stderr, "Bitrate must be <144. (%s)\n", val);
108 for(t=0;mp3_bitrates[t];t++) {
109 if(b== mp3_bitrates[t]) {
114 fprintf(stderr, "Invalid bitrate. Allowed bitrates are:\n");
115 for(t=0;mp3_bitrates[t];t++) {
116 printf("%d ", mp3_bitrates[t]);
122 printf("Unknown option: -%s\n", name);
127 int args_callback_longoption(char*name,char*val)
129 return args_long2shortoption(options, name, val);
131 void args_callback_usage(char*name)
133 printf("Usage: %s [-o filename] file.wav\n", name);
134 printf("\t-v , --verbose\t\t\t Be more verbose\n");
135 printf("\t-d , --definesound\t\t Generate a DefineSound tag instead of streaming sound\n");
136 printf("\t-l , --loop n\t\t\t Loop sound n times (implies -d)\n");
137 printf("\t-r , --framerate fps\t\t Set framerate to fps frames per second\n");
138 printf("\t-s , --samplerate sps\t\t Set samplerate to sps frames per second (default: 11025)\n");
139 printf("\t-b , --bitrate bps\t\t Set mp3 bitrate (default: 32)\n");
140 printf("\t-o , --output filename\t\t set output filename (default: output.swf)\n");
141 printf("\t-C , --cgi\t\t\t For use as CGI- prepend http header, write to stdout\n");
142 printf("\t-V , --version\t\t\t Print program version and exit\n");
144 int args_callback_command(char*name,char*val)
147 fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
154 extern int swf_mp3_bitrate;
155 extern int swf_mp3_out_samplerate;
156 extern int swf_mp3_in_samplerate;
158 int main (int argc,char ** argv)
163 S32 width=300,height = 300;
171 float blockspersecond;
172 float framespersecond;
173 float samplesperframe;
174 float framesperblock;
175 float samplesperblock;
179 processargs(argc, argv);
182 blockspersecond = (float)samplerate/blocksize;
184 framespersecond = blockspersecond;
186 framespersecond = framerate/256.0;
188 framesperblock = framespersecond / blockspersecond;
189 samplesperframe = (blocksize * blockspersecond) / framespersecond;
190 samplesperblock = samplesperframe * framesperblock;
192 initLog(0,-1,0,0,-1,verbose);
195 msg("<fatal> You must supply a filename");
199 if(!readWAV(filename, &wav))
201 msg("<fatal> Error reading %s", filename);
204 convertWAV2mono(&wav,&wav2, samplerate);
205 //printWAVInfo(&wav);
206 //printWAVInfo(&wav2);
207 samples = (U16*)wav2.data;
208 numsamples = wav2.size/2;
210 memset(&swf,0x00,sizeof(SWF));
213 swf.frameRate = (int)(framespersecond*256);
215 swf.movieSize.xmax = 20*width;
216 swf.movieSize.ymax = 20*height;
218 swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
223 swf_SetRGB(tag,&rgb);
225 swf_mp3_bitrate = bitrate;
226 swf_mp3_out_samplerate = samplerate;
227 swf_mp3_in_samplerate = samplerate;
231 int oldframepos=-1, newframepos=0;
232 float framesamplepos = 0;
237 tag = swf_InsertTag(tag, ST_SOUNDSTREAMHEAD);
238 swf_SetSoundStreamHead(tag, samplesperframe);
239 msg("<notice> %d blocks", numsamples/blocksize);
240 for(t=0;t<numsamples/blocksize;t++) {
243 int seek = blocksize - ((int)samplepos - (int)framesamplepos);
245 if(newframepos!=oldframepos) {
246 tag = swf_InsertTag(tag, ST_SOUNDSTREAMBLOCK);
247 msg("<notice> Starting block %d %d+%d", t, (int)samplepos, (int)blocksize);
248 block1 = &samples[t*blocksize];
249 swf_SetSoundStreamBlock(tag, block1, seek, 1);
250 v1 = v2 = GET16(tag->data);
252 msg("<notice> Adding data...", t);
253 block1 = &samples[t*blocksize];
254 swf_SetSoundStreamBlock(tag, block1, seek, 0);
256 PUT16(tag->data, v1);
258 samplepos += blocksize;
260 oldframepos = (int)framepos;
261 framepos += framesperblock;
262 newframepos = (int)framepos;
264 for(s=oldframepos;s<newframepos;s++) {
265 tag = swf_InsertTag(tag, ST_SHOWFRAME);
266 framesamplepos += samplesperframe;
269 tag = swf_InsertTag(tag, ST_END);
272 tag = swf_InsertTag(tag, ST_DEFINESOUND);
273 swf_SetU16(tag, 24); //id
274 #ifdef DEFINESOUND_MP3
275 swf_SetSoundDefine(tag, samples, numsamples);
277 swf_SetU8(tag,(/*compression*/0<<4)|(/*rate*/3<<2)|(/*size*/1<<1)|/*mono*/0);
278 swf_SetU32(tag, numsamples); // 44100 -> 11025
279 swf_SetBlock(tag, wav2.data, numsamples*2);
283 tag = swf_InsertTag(tag, ST_STARTSOUND);
284 swf_SetU16(tag, 24); //id
285 memset(&info, 0, sizeof(info));
287 swf_SetSoundInfo(tag, &info);
288 tag = swf_InsertTag(tag, ST_SHOWFRAME);
289 tag = swf_InsertTag(tag, ST_END);
293 if FAILED(swf_WriteCGI(&swf)) fprintf(stderr,"WriteCGI() failed.\n");
295 f = open(outputname,O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644);
296 if FAILED(swf_WriteSWF(f,&swf)) fprintf(stderr,"WriteSWF() failed.\n");