コード例 #1
0
  void SourceSample::Load(char *filename) {
#define BUFSIZE 1024 * 1024
    SDL_RWops *rwops;

    rwops = SDL_RWFromFile(filename, "rb");

    Sound_Sample *sample = Sound_NewSample(rwops, NULL,
					   _system->GetAudioInfo(),
					   _buffersize );
    if(sample == NULL) {
      fprintf(stderr, "[error] failed loading sample from '%s': %s\n", 
	      filename, Sound_GetError());
      return;
    }
    
    Sound_DecodeAll(sample);

    _buffersize = sample->buffer_size;
    _buffer = new Uint8[_buffersize];
    memcpy(_buffer, sample->buffer, _buffersize);

    Sound_FreeSample(sample);
    
    // fprintf(stderr, "done decoding sample '%s'\n", filename);
    _position = 0;
  }
コード例 #2
0
ファイル: soundemitter.cpp プロジェクト: Alex223124/mkxp
	bool tryRead(SDL_RWops &ops, const char *ext)
	{
		Sound_Sample *sample = Sound_NewSample(&ops, ext, 0, STREAM_BUF_SIZE);

		if (!sample)
		{
			SDL_RWclose(&ops);
			return false;
		}

		/* Do all of the decoding in the handler so we don't have
		 * to keep the source ops around */
		uint32_t decBytes = Sound_DecodeAll(sample);
		uint8_t sampleSize = formatSampleSize(sample->actual.format);
		uint32_t sampleCount = decBytes / sampleSize;

		buffer = new SoundBuffer;
		buffer->bytes = sampleSize * sampleCount;

		ALenum alFormat = chooseALFormat(sampleSize, sample->actual.channels);

		AL::Buffer::uploadData(buffer->alBuffer, alFormat, sample->buffer,
							   buffer->bytes, sample->actual.rate);

		Sound_FreeSample(sample);

		return true;
	}
コード例 #3
0
ファイル: sdl_sound-test.c プロジェクト: 3togo/mxe
int main(int argc, char *argv[])
{
    if (argc != 2) {
        fprintf(stderr, "usage: %s <filename>\n", argv[0]);
        return 1;
    }

    if (SDL_Init(SDL_INIT_AUDIO) != 0) {
        fprintf(stderr, "Error: %s\n", SDL_GetError());
        return 1;
    }

    if (Sound_Init() == 0) {
        fprintf(stderr, "Error: %s\n", Sound_GetError());
        return 1;
    }

    SDL_RWops* rw = SDL_RWFromFile(argv[1], "r");
    if (rw == NULL) {
        fprintf(stderr, "Error: %s\n", SDL_GetError());
        return 1;
    }

    Sound_AudioInfo wantedFormat;
    wantedFormat.channels = 2;
    wantedFormat.rate = 44100;
    wantedFormat.format = AUDIO_S16LSB;

    Sound_Sample* sample = Sound_NewSample(rw, 0, &wantedFormat, 8192);
    if (sample == 0) {
        fprintf(stderr, "Error: %s\n", Sound_GetError());
        return 1;
    }

    Sound_DecodeAll(sample);
    printf("Format: %s\n", sample->decoder->description);
    printf("Decoded %d bytes of data.\n", sample->buffer_size);
    Sound_FreeSample(sample);

    return 0;
}