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[] =
36 static int definesound = 0;
37 static int framerate = 0;
38 static int bitrate = 32;
40 int args_callback_option(char*name,char*val)
42 if(!strcmp(name, "V")) {
43 printf("wav2swf - part of %s %s\n", PACKAGE, VERSION);
46 else if(!strcmp(name, "o")) {
50 else if(!strcmp(name, "d")) {
54 else if(!strcmp(name, "l")) {
59 else if(!strcmp(name, "v")) {
63 else if(!strcmp(name, "r")) {
65 sscanf(val, "%f", &f);
69 else if(!strcmp(name, "b")) {
72 fprintf(stderr, "Not a valid bitrate: %s\n", val);
76 fprintf(stderr, "Bitrate must be <144. (%s)\n", val);
82 printf("Unknown option: -%s\n", name);
87 int args_callback_longoption(char*name,char*val)
89 return args_long2shortoption(options, name, val);
91 void args_callback_usage(char*name)
93 printf("Usage: %s [-o filename] file.wav\n", name);
94 printf("\t-v , --verbose\t\t\t Be more verbose\n");
95 printf("\t-d , --definesound\t\t Generate a DefineSound tag instead of streaming sound\n");
96 printf("\t-l , --loop n\t\t\t Loop sound n times (implies -d)\n");
97 printf("\t-r , --framerate fps\t\t Set framerate to fps frames per seond\n");
98 printf("\t-b , --bitrate bps\t\t Set mp3 bitrate (default: 32)\n");
99 printf("\t-o , --output filename\t\t set output filename (default: output.swf)\n");
100 printf("\t-V , --version\t\t\t Print program version and exit\n");
102 int args_callback_command(char*name,char*val)
105 fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
112 extern int swf_mp3_bitrate;
114 int main (int argc,char ** argv)
119 S32 width=300,height = 300;
127 float blockspersecond;
128 float framespersecond;
129 float samplesperframe;
130 float framesperblock;
131 float samplesperblock;
135 processargs(argc, argv);
138 blockspersecond = 11025.0/blocksize;
140 framespersecond = blockspersecond;
142 framespersecond = framerate/256.0;
144 framesperblock = framespersecond / blockspersecond;
145 samplesperframe = (blocksize * blockspersecond) / framespersecond;
146 samplesperblock = samplesperframe * framesperblock;
148 initLog(0,-1,0,0,-1,verbose);
150 if(!readWAV(filename, &wav))
152 logf("<fatal> Error reading %s", filename);
155 convertWAV2mono(&wav,&wav2, 44100);
156 //printWAVInfo(&wav);
157 //printWAVInfo(&wav2);
158 samples = (U16*)wav2.data;
159 numsamples = wav2.size/2;
161 memset(&swf,0x00,sizeof(SWF));
164 swf.frameRate = (int)(framespersecond*256);
166 swf.movieSize.xmax = 20*width;
167 swf.movieSize.ymax = 20*height;
169 swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
174 swf_SetRGB(tag,&rgb);
176 swf_mp3_bitrate = bitrate;
180 int oldframepos=-1, newframepos=0;
181 float framesamplepos = 0;
185 tag = swf_InsertTag(tag, ST_SOUNDSTREAMHEAD);
186 swf_SetSoundStreamHead(tag, samplesperframe);
188 logf("<notice> %d blocks", numsamples/(blocksize*4));
189 for(t=0;t<numsamples/(blocksize*4);t++) {
192 int seek = blocksize - ((int)samplepos - (int)framesamplepos);
194 if(newframepos!=oldframepos) {
195 tag = swf_InsertTag(tag, ST_SOUNDSTREAMBLOCK);
196 logf("<notice> Starting block %d %d+%d", t, (int)samplepos, (int)blocksize);
197 block1 = &samples[t*blocksize*4];
198 swf_SetSoundStreamBlock(tag, block1, seek, 1);
199 v1 = v2 = GET16(tag->data);
201 logf("<notice> Adding data...", t);
202 block1 = &samples[t*blocksize*4];
203 swf_SetSoundStreamBlock(tag, block1, seek, 0);
205 PUT16(tag->data, v1);
207 samplepos += blocksize;
209 oldframepos = (int)framepos;
210 framepos += framesperblock;
211 newframepos = (int)framepos;
213 for(s=oldframepos;s<newframepos;s++) {
214 tag = swf_InsertTag(tag, ST_SHOWFRAME);
215 framesamplepos += samplesperframe;
218 tag = swf_InsertTag(tag, ST_END);
221 tag = swf_InsertTag(tag, ST_DEFINESOUND);
222 swf_SetU16(tag, 24); //id
223 #ifdef DEFINESOUND_MP3
224 swf_SetSoundDefine(tag, samples, numsamples);
226 swf_SetU8(tag,(/*compression*/0<<4)|(/*rate*/3<<2)|(/*size*/1<<1)|/*mono*/0);
227 swf_SetU32(tag, numsamples); // 44100 -> 11025
228 swf_SetBlock(tag, wav2.data, numsamples*2);
231 tag = swf_InsertTag(tag, ST_STARTSOUND);
232 swf_SetU16(tag, 24); //id
233 memset(&info, 0, sizeof(info));
235 swf_SetSoundInfo(tag, &info);
236 tag = swf_InsertTag(tag, ST_SHOWFRAME);
237 tag = swf_InsertTag(tag, ST_END);
240 f = open(outputname,O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644);
241 if FAILED(swf_WriteSWF(f,&swf)) fprintf(stderr,"WriteSWF() failed.\n");