Not logged in.  Login/Logout/Register | List snippets | | Create snippet | Upload image | Upload data

25
LINES

< > BotCompany Repo | #1009776 // MonoSamplesForwarder - 16 bit PCM stream to mono float samples (-1 to 1)

JavaX fragment (include)

1  
sclass MonoSamplesForwarder extends AbstractOutputStream {
2  
  int halfSample = -1;
3  
  O f; // voidfunc(float[])
4  
  
5  
  static bool debug;
6  
7  
  *() {}
8  
  *(O *f) {}
9  
10  
  public void write(byte[] b, int ofs, int len) {
11  
    int n = (len+(halfSample >= 0 ? 1 : 0))/2;
12  
    float[] out = new float[n];
13  
    int iOut = 0;
14  
    if (debug) print(bytesToHex(subArray(b, ofs, ofs+min(8, len))));
15  
    for (int i = ofs; i < ofs+len; i++) {
16  
      if (halfSample < 0)
17  
        halfSample = ((int) b[i]) & 0x255;
18  
      else {
19  
        out[iOut++] = (halfSample | (((int) b[i]) << 8))/32768f;
20  
        halfSample = -1;
21  
      }
22  
    }
23  
    if (n != 0) callF(f, out);
24  
  }
25  
}

Author comment

Began life as a copy of #1009775

download  show line numbers  debug dex  old transpilations   

Travelled to 13 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt

No comments. add comment

Snippet ID: #1009776
Snippet name: MonoSamplesForwarder - 16 bit PCM stream to mono float samples (-1 to 1)
Eternal ID of this version: #1009776/7
Text MD5: 73310466169d6e55cf72857cdeb7e250
Author: stefan
Category: javax / audio
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2017-08-16 17:55:01
Source code size: 662 bytes / 25 lines
Pitched / IR pitched: No / No
Views / Downloads: 484 / 1103
Version history: 6 change(s)
Referenced in: [show references]