void
audio_membuffer::audio_receive(unsigned char *data, unsigned int size)
{
/* If there isn't a buffer, allocs memory for it of size*2, and copies audio data arrival */
if ((audio_data == 0) || (buf_size == 0))
{
alloc_mem_(size * 2);
memcpy(audio_data, data, size);
return;
}
/* If buffer's free memory is < of `size', we have to realloc buffer memory
of buf_size*2, while free memory is enough to contain `size' bytes.
In this case free memory is represented by `buf_size - bytes_recorded' */
unsigned int tot_mem = buf_size, free_mem = buf_size - bytes_received;
if (free_mem < size)
{
/* Calcs new buffer size */
/* TODO: flags for other behaviour? */
while (free_mem < size)
{
tot_mem *= 2;
free_mem = tot_mem - bytes_received;
}
/* Resize buffer memory */
resize_mem_(tot_mem);
}
/* Now we have enough free space in the buffer, so let's copy audio data arrivals */
memcpy(audio_data + bytes_received, data, size);
if (audio_arrival)
audio_arrival(aud_info.samples_in_bytes(size));
}
void
audio_membuffer::resize_seconds( unsigned int secs )
{
resize_mem_( aud_info.byte_rate() * secs );
}
void
audio_membuffer::resize_bytes( unsigned int bytes )
{
resize_mem_( bytes );
}
void
audio_membuffer::resize_seconds( float secs )
{
resize_mem_(( unsigned int )
(( float )aud_info.byte_rate() * secs )
);
}
