kc3-lang/SDL/test/testresample.c

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• Hash : 1ad936eb
  Author :
  Date : 2013-08-11T19:56:43
  

  Fixed bug 2027 - Full-screen appears to be broken - hang in SDL_DestroyWindow() Rainer Deyke I'm running Linux Mint 15 with the Cinnamon window manager. SDL_DestroyWindow consistently locks up for me when the window if fullscreen.

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• test/testresample.c

• /*
    Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
  
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.
  
    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely.
  */
  #include <stdio.h>
  #include "SDL.h"
  
  int
  main(int argc, char **argv)
  {
      SDL_AudioSpec spec;
      SDL_AudioCVT cvt;
      Uint32 len = 0;
      Uint8 *data = NULL;
      int cvtfreq = 0;
      int bitsize = 0;
      int blockalign = 0;
      int avgbytes = 0;
      SDL_RWops *io = NULL;
  
      if (argc != 4) {
          fprintf(stderr, "USAGE: %s in.wav out.wav newfreq\n", argv[0]);
          return 1;
      }
  
      cvtfreq = SDL_atoi(argv[3]);
  
      if (SDL_Init(SDL_INIT_AUDIO) == -1) {
          fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
          return 2;
      }
  
      if (SDL_LoadWAV(argv[1], &spec, &data, &len) == NULL) {
          fprintf(stderr, "failed to load %s: %s\n", argv[1], SDL_GetError());
          SDL_Quit();
          return 3;
      }
  
      if (SDL_BuildAudioCVT(&cvt, spec.format, spec.channels, spec.freq,
                            spec.format, spec.channels, cvtfreq) == -1) {
          fprintf(stderr, "failed to build CVT: %s\n", SDL_GetError());
          SDL_FreeWAV(data);
          SDL_Quit();
          return 4;
      }
  
      cvt.len = len;
      cvt.buf = (Uint8 *) SDL_malloc(len * cvt.len_mult);
      if (cvt.buf == NULL) {
          fprintf(stderr, "Out of memory.\n");
          SDL_FreeWAV(data);
          SDL_Quit();
          return 5;
      }
      SDL_memcpy(cvt.buf, data, len);
  
      if (SDL_ConvertAudio(&cvt) == -1) {
          fprintf(stderr, "Conversion failed: %s\n", SDL_GetError());
          SDL_free(cvt.buf);
          SDL_FreeWAV(data);
          SDL_Quit();
          return 6;
      }
  
      /* write out a WAV header... */
      io = SDL_RWFromFile(argv[2], "wb");
      if (io == NULL) {
          fprintf(stderr, "fopen('%s') failed: %s\n", argv[2], SDL_GetError());
          SDL_free(cvt.buf);
          SDL_FreeWAV(data);
          SDL_Quit();
          return 7;
      }
  
      bitsize = SDL_AUDIO_BITSIZE(spec.format);
      blockalign = (bitsize / 8) * spec.channels;
      avgbytes = cvtfreq * blockalign;
  
      SDL_WriteLE32(io, 0x46464952);      /* RIFF */
      SDL_WriteLE32(io, len * cvt.len_mult + 36);
      SDL_WriteLE32(io, 0x45564157);      /* WAVE */
      SDL_WriteLE32(io, 0x20746D66);      /* fmt */
      SDL_WriteLE32(io, 16);      /* chunk size */
      SDL_WriteLE16(io, 1);       /* uncompressed */
      SDL_WriteLE16(io, spec.channels);   /* channels */
      SDL_WriteLE32(io, cvtfreq); /* sample rate */
      SDL_WriteLE32(io, avgbytes);        /* average bytes per second */
      SDL_WriteLE16(io, blockalign);      /* block align */
      SDL_WriteLE16(io, bitsize); /* significant bits per sample */
      SDL_WriteLE32(io, 0x61746164);      /* data */
      SDL_WriteLE32(io, cvt.len_cvt);     /* size */
      SDL_RWwrite(io, cvt.buf, cvt.len_cvt, 1);
  
      if (SDL_RWclose(io) == -1) {
          fprintf(stderr, "fclose('%s') failed: %s\n", argv[2], SDL_GetError());
          SDL_free(cvt.buf);
          SDL_FreeWAV(data);
          SDL_Quit();
          return 8;
      }                           // if
  
      SDL_free(cvt.buf);
      SDL_FreeWAV(data);
      SDL_Quit();
      return 0;
  }                               // main
  
  // end of resample_test.c ...
  

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