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 struct options_t options[] =
34 static int definesound = 0;
35 static int framerate = 0;
36 static int bitrate = 32;
38 int args_callback_option(char*name,char*val)
40 if(!strcmp(name, "V")) {
41 printf("wav2swf - part of %s %s\n", PACKAGE, VERSION);
44 else if(!strcmp(name, "o")) {
48 else if(!strcmp(name, "d")) {
52 else if(!strcmp(name, "l")) {
57 else if(!strcmp(name, "v")) {
61 else if(!strcmp(name, "r")) {
63 sscanf(val, "%f", &f);
67 else if(!strcmp(name, "b")) {
70 fprintf(stderr, "Not a valid bitrate: %s\n", val);
74 fprintf(stderr, "Bitrate must be <144. (%s)\n", val);
80 printf("Unknown option: -%s\n", name);
85 int args_callback_longoption(char*name,char*val)
87 return args_long2shortoption(options, name, val);
89 void args_callback_usage(char*name)
91 printf("Usage: %s [-o filename] file.wav\n", name);
92 printf("\t-v , --verbose\t\t\t Be more verbose\n");
93 printf("\t-d , --definesound\t\t Generate a DefineSound tag instead of streaming sound\n");
94 printf("\t-l , --loop n\t\t\t Loop sound n times (implies -d)\n");
95 printf("\t-r , --framerate fps\t\t Set framerate to fps frames per seond\n");
96 printf("\t-b , --bitrate bps\t\t Set mp3 bitrate (default: 32)\n");
97 printf("\t-o , --output filename\t\t set output filename (default: output.swf)\n");
98 printf("\t-V , --version\t\t\t Print program version and exit\n");
100 int args_callback_command(char*name,char*val)
103 fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
110 extern int swf_mp3_bitrate;
112 int main (int argc,char ** argv)
117 S32 width=300,height = 300;
125 float blockspersecond;
126 float framespersecond;
127 float samplesperframe;
128 float framesperblock;
129 float samplesperblock;
133 processargs(argc, argv);
136 blockspersecond = 11025.0/blocksize;
138 framespersecond = blockspersecond;
140 framespersecond = framerate/256.0;
142 framesperblock = framespersecond / blockspersecond;
143 samplesperframe = (blocksize * blockspersecond) / framespersecond;
144 samplesperblock = samplesperframe * framesperblock;
146 initLog(0,-1,0,0,-1,verbose);
148 if(!readWAV(filename, &wav))
150 logf("<fatal> Error reading %s", filename);
153 convertWAV2mono(&wav,&wav2, 44100);
154 //printWAVInfo(&wav);
155 //printWAVInfo(&wav2);
156 samples = (U16*)wav2.data;
157 numsamples = wav2.size/2;
159 memset(&swf,0x00,sizeof(SWF));
162 swf.frameRate = (int)(framespersecond*256);
164 swf.movieSize.xmax = 20*width;
165 swf.movieSize.ymax = 20*height;
167 swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
172 swf_SetRGB(tag,&rgb);
174 swf_mp3_bitrate = bitrate;
178 int oldframepos=-1, newframepos=0;
179 float framesamplepos = 0;
183 tag = swf_InsertTag(tag, ST_SOUNDSTREAMHEAD);
184 swf_SetSoundStreamHead(tag, samplesperframe);
186 logf("<notice> %d blocks", numsamples/(blocksize*4));
187 for(t=0;t<numsamples/(blocksize*4);t++) {
190 int seek = blocksize - ((int)samplepos - (int)framesamplepos);
192 if(newframepos!=oldframepos) {
193 tag = swf_InsertTag(tag, ST_SOUNDSTREAMBLOCK);
194 logf("<notice> Starting block %d %d+%d", t, (int)samplepos, (int)blocksize);
195 block1 = &samples[t*blocksize*4];
196 swf_SetSoundStreamBlock(tag, block1, seek, 1);
197 v1 = v2 = GET16(tag->data);
199 logf("<notice> Adding data...", t);
200 block1 = &samples[t*blocksize*4];
201 swf_SetSoundStreamBlock(tag, block1, seek, 0);
203 PUT16(tag->data, v1);
205 samplepos += blocksize;
207 oldframepos = (int)framepos;
208 framepos += framesperblock;
209 newframepos = (int)framepos;
211 for(s=oldframepos;s<newframepos;s++) {
212 tag = swf_InsertTag(tag, ST_SHOWFRAME);
213 framesamplepos += samplesperframe;
216 tag = swf_InsertTag(tag, ST_END);
219 tag = swf_InsertTag(tag, ST_DEFINESOUND);
220 swf_SetU16(tag, 24); //id
221 swf_SetSoundDefine(tag, samples, numsamples);
222 tag = swf_InsertTag(tag, ST_STARTSOUND);
223 swf_SetU16(tag, 24); //id
224 memset(&info, 0, sizeof(info));
226 swf_SetSoundInfo(tag, &info);
227 tag = swf_InsertTag(tag, ST_SHOWFRAME);
228 tag = swf_InsertTag(tag, ST_END);
231 f = open(outputname,O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, 0644);
232 if FAILED(swf_WriteSWF(f,&swf)) fprintf(stderr,"WriteSWF() failed.\n");