C++ (Cpp) buffer_get_short Examples

Example #1

File: wav.c Project: Excito/libaudio-scan-perl

void
_parse_aiff_comm(Buffer *buf, uint32_t chunk_size, HV *info)
{
  uint16_t channels = buffer_get_short(buf);
  uint32_t frames = buffer_get_int(buf);
  uint16_t bits_per_sample = buffer_get_short(buf);
  double samplerate = buffer_get_ieee_float(buf);
  
  my_hv_store( info, "channels", newSVuv(channels) );
  my_hv_store( info, "bits_per_sample", newSVuv(bits_per_sample) );
  my_hv_store( info, "samplerate", newSVuv(samplerate) );
  
  my_hv_store( info, "bitrate", newSVuv( samplerate * channels * bits_per_sample ) );
  my_hv_store( info, "song_length_ms", newSVuv( ((frames * 1.0) / samplerate) * 1000 ) );
  my_hv_store( info, "block_align", newSVuv( channels * bits_per_sample / 8 ) );
  
  if (chunk_size > 18) {
    // AIFC extra data
    my_hv_store( info, "compression_type", newSVpvn( buffer_ptr(buf), 4 ) );
    buffer_consume(buf, 4);
    
    my_hv_store( info, "compression_name", newSVpvn( buffer_ptr(buf), chunk_size - 22 ) );
    buffer_consume(buf, chunk_size - 22);
  }
}

Example #2

File: packet.c Project: hikilaka/rsc-c

packet_t* packet_decode(buffer_t* buffer)
{
	int error = buffer_ok;
	uint16_t length;
	uint8_t id;

	buffer->position = 0;

	error |= buffer_get_short(buffer, &length);
	error |= buffer_get_byte(buffer, &id);
	error |= buffer_available(buffer) == length;

	if (error || length > 5000 || length == 0)
		return NULL;

	uint8_t payload[length];
	memcpy(payload, buffer->payload + buffer->position, length);

	packet_t* packet = safe_alloc(sizeof(packet_t));
	packet->id = id;
	packet->buffer = buffer_wrap(payload, length);
	packet->buffer->position = 0;
	return packet;
}