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C++ MemoryBuffer::data方法代码示例

本文整理汇总了C++中MemoryBuffer::data方法的典型用法代码示例。如果您正苦于以下问题:C++ MemoryBuffer::data方法的具体用法?C++ MemoryBuffer::data怎么用?C++ MemoryBuffer::data使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MemoryBuffer的用法示例。


在下文中一共展示了MemoryBuffer::data方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: process

DecoderStatus AacDecoder::process(Packet*packet){
  FXlong fs  = packet->stream_position;
  FXbool eos = packet->flags&FLAG_EOS;

  long unsigned int samplerate;
  FXuchar           channels;
  NeAACDecFrameInfo frame;

  if (packet->flags&AAC_FLAG_CONFIG) {
    handle = NeAACDecOpen();
    if (NeAACDecInit2(handle,packet->data(),packet->size(),&samplerate,&channels)<0){
      packet->unref();
      return DecoderError;
      }
    return DecoderOk;
    }
  else {
    buffer.append(packet->data(),packet->size());
    packet->unref();
    if (handle==NULL) {
      handle = NeAACDecOpen();
      long n = NeAACDecInit(handle,buffer.data(),buffer.size(),&samplerate,&channels);
      if (n<0) return DecoderError;
      else if (n>0) buffer.readBytes(n);

      af.set(AP_FORMAT_S16,samplerate,channels);
      engine->output->post(new ConfigureEvent(af,Codec::AAC));
      }
    }

  if (buffer.size()<FAAD_MIN_STREAMSIZE*2) {
    return DecoderOk;
    }


  do {

    if (out==NULL){
      out = engine->decoder->get_output_packet();
      if (out==NULL) return DecoderInterrupted;
      out->af              = af;
      out->stream_position = fs;
      out->stream_length   = packet->stream_length;
      }

    void * outbuffer = out->ptr();
    NeAACDecDecode2(handle,&frame,buffer.data(),buffer.size(),&outbuffer,out->availableFrames()*out->af.framesize());
    if (frame.bytesconsumed>0) {
      buffer.readBytes(frame.bytesconsumed);
      }

	  if (frame.error > 0) {
	    GM_DEBUG_PRINT("[aac] error %d (%ld): %s\n",frame.error,frame.bytesconsumed,faacDecGetErrorMessage(frame.error));
	    }

    if (frame.samples) {
      fs+=(frame.samples/frame.channels);
      out->wroteFrames((frame.samples/frame.channels));
      if (out->availableFrames()==0) {
        engine->output->post(out);
        out=NULL;
        }
      }
    }
  while(buffer.size()>(2*FAAD_MIN_STREAMSIZE) && frame.bytesconsumed);

  if (eos) {
    if (out) {
      engine->output->post(out);
      out=NULL;
      }
    engine->output->post(new ControlEvent(End,packet->stream));
    }

  return DecoderOk;
  }
开发者ID:AenBleidd,项目名称:gogglesmm,代码行数:76,代码来源:ap_aac_plugin.cpp


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