implemented --framerate.

[swftools.git] / src / wav2swf.c

diff --git a/src/wav2swf.c b/src/wav2swf.c
index 4734186..70315b2 100644 (file)
--- a/src/wav2swf.c
+++ b/src/wav2swf.c
@@ -22,10 +22,17 @@ struct options_t options[] =
 {
  {"o","output"},
  {"v","verbose"},
+ {"d","definesound"},
+ {"l","loop"},
+ {"f","framerate"},
  {"V","version"},
  {0,0}
 };
 
+static int loop = 0;
+static int definesound = 0;
+static int framerate = 0;
+
 int args_callback_option(char*name,char*val)
 {
     if(!strcmp(name, "V")) {
@@ -36,10 +43,24 @@ int args_callback_option(char*name,char*val)
        outputname = val;
        return 1;
     }
+    else if(!strcmp(name, "d")) {
+       definesound = 1;
+       return 0;
+    }
+    else if(!strcmp(name, "l")) {
+       loop = atoi(val);
+       return 1;
+    }
     else if(!strcmp(name, "v")) {
        verbose ++;
        return 0;
     }
+    else if(!strcmp(name, "f")) {
+       float f;
+       sscanf(val, "%f", &f);
+       framerate = f*256;
+       return 1;
+    }
     else {
         printf("Unknown option: -%s\n", name);
        exit(1);
@@ -54,6 +75,9 @@ void args_callback_usage(char*name)
 {
     printf("Usage: %s [-o filename] file.wav\n", name);
     printf("\t-v , --verbose\t\t\t Be more verbose\n");
+    printf("\t-d , --definesound\t\t\t Generate a DefineSound tag instead of streaming sound\n");
+    printf("\t-l , --loop n\t\t\t Loop sound n times (implies -d)\n");
+    printf("\t-f , --framerate fps\t\t\t Set framerate to fps frames per seond\n");
     printf("\t-o , --output filename\t\t set output filename (default: output.swf)\n");
     printf("\t-V , --version\t\t\t Print program version and exit\n");
 }
@@ -68,69 +92,103 @@ int args_callback_command(char*name,char*val)
 }
 
 int main (int argc,char ** argv)
-{ SWF swf;
-  RGBA rgb;
-  SRECT r;
-  S32 width=300,height = 300;
-  TAG * tag;
-
-  int f,i,ls1,fs1;
-  int count;
-  int t;
-  struct WAV wav,wav2;
-  int blocksize = 1152;
-  U16* samples;
-  int numsamples;
-
-  processargs(argc, argv);
-  initLog(0,-1,0,0,-1,verbose);
-
-  if(!readWAV(filename, &wav))
-  {
-      logf("<fatal> Error reading %s", filename);
-      exit(1);
-  }
-  convertWAV2mono(&wav,&wav2, 44100);
-  //printWAVInfo(&wav);
-  //printWAVInfo(&wav2);
-  samples = (U16*)wav2.data;
-  numsamples = wav2.size/2;
-
-  memset(&swf,0x00,sizeof(SWF));
-
-  swf.fileVersion    = 4;
-  swf.frameRate      = 11025*256/(blocksize);
-
-  swf.movieSize.xmax = 20*width;
-  swf.movieSize.ymax = 20*height;
-
-  swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
-  tag = swf.firstTag;
-  rgb.r = 0xff;
-  rgb.g = 0xff;
-  rgb.b = 0xff;
-  swf_SetRGB(tag,&rgb);
-
-  tag = swf_InsertTag(tag, ST_SOUNDSTREAMHEAD);
-  swf_SetSoundStreamHead(tag, blocksize);
-
-  logf("<notice> %d blocks", numsamples/(blocksize*2));
-  for(t=0;t<numsamples/(blocksize*2);t++) {
-      int s;
-      U16*block1;
-      tag = swf_InsertTag(tag, ST_SOUNDSTREAMBLOCK);
-      logf("<notice> Writing block %d", t);
-      block1 = &samples[t*2*blocksize];
-      swf_SetSoundStreamBlock(tag, block1, 1);
-      tag = swf_InsertTag(tag, ST_SHOWFRAME);
-  }
-
-  f = open(outputname,O_WRONLY|O_CREAT|O_TRUNC, 0644);
-  if FAILED(swf_WriteSWF(f,&swf)) fprintf(stderr,"WriteSWF() failed.\n");
-  close(f);
-
-  swf_FreeTags(&swf);
-  return 0;
+{ 
+    SWF swf;
+    RGBA rgb;
+    SRECT r;
+    S32 width=300,height = 300;
+    TAG * tag;
+
+    int f,i,ls1,fs1;
+    int count;
+    int t;
+    struct WAV wav,wav2;
+    int blocksize;
+    float blockspersecond;
+    float framespersecond;
+    float framesperblock;
+    float framepos = 0;
+    U16* samples;
+    int numsamples;
+
+    processargs(argc, argv);
+
+    blocksize = 1152;
+    blockspersecond = 11025.0/blocksize;
+    framespersecond = blockspersecond;
+    if(framerate)
+       framespersecond = framerate/256.0;
+    framesperblock = framespersecond/blockspersecond;
+
+    initLog(0,-1,0,0,-1,verbose);
+
+    if(!readWAV(filename, &wav))
+    {
+       logf("<fatal> Error reading %s", filename);
+       exit(1);
+    }
+    convertWAV2mono(&wav,&wav2, 44100);
+    //printWAVInfo(&wav);
+    //printWAVInfo(&wav2);
+    samples = (U16*)wav2.data;
+    numsamples = wav2.size/2;
+
+    memset(&swf,0x00,sizeof(SWF));
+
+    swf.fileVersion    = 5;
+    swf.frameRate      = (int)(framespersecond*256);
+
+    swf.movieSize.xmax = 20*width;
+    swf.movieSize.ymax = 20*height;
+
+    swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
+    tag = swf.firstTag;
+    rgb.r = 0xff;
+    rgb.g = 0xff;
+    rgb.b = 0xff;
+    swf_SetRGB(tag,&rgb);
+
+    if(!definesound)
+    {
+       tag = swf_InsertTag(tag, ST_SOUNDSTREAMHEAD);
+       swf_SetSoundStreamHead(tag, blocksize);
+
+       logf("<notice> %d blocks", numsamples/(blocksize*2));
+       for(t=0;t<numsamples/(blocksize*2);t++) {
+           int s;
+           int oldframe, newframe;
+           U16*block1;
+           tag = swf_InsertTag(tag, ST_SOUNDSTREAMBLOCK);
+           logf("<notice> Writing block %d", t);
+           block1 = &samples[t*2*blocksize];
+           swf_SetSoundStreamBlock(tag, block1, 1);
+           oldframe = (int)framepos;
+           framepos += framesperblock;
+           newframe = (int)framepos;
+           for(s=oldframe;s<newframe;s++)
+               tag = swf_InsertTag(tag, ST_SHOWFRAME);
+       }
+       tag = swf_InsertTag(tag, ST_END);
+    } else {
+       SOUNDINFO info;
+       tag = swf_InsertTag(tag, ST_DEFINESOUND);
+       swf_SetU16(tag, 24); //id
+       swf_SetSoundDefine(tag, samples, numsamples);
+       tag = swf_InsertTag(tag, ST_STARTSOUND);
+       swf_SetU16(tag, 24); //id
+       memset(&info, 0, sizeof(info));
+       info.loops = loop;
+       swf_SetSoundInfo(tag, &info);
+       tag = swf_InsertTag(tag, ST_SHOWFRAME);
+       tag = swf_InsertTag(tag, ST_END);
+    }
+
+    f = open(outputname,O_WRONLY|O_CREAT|O_TRUNC, 0644);
+    if FAILED(swf_WriteSWF(f,&swf)) fprintf(stderr,"WriteSWF() failed.\n");
+    close(f);
+
+    swf_FreeTags(&swf);
+    return 0;
 }