// returns bytes written, else -1 if error (0 is OK)
int AmAudio::put(unsigned long long system_ts, unsigned char* buffer,
int input_sample_rate, unsigned int size)
{
if(!size){
return 0;
}
if(max_rec_time > -1 && rec_time >= max_rec_time)
return -1;
memcpy((unsigned char*)samples,buffer,size);
size = resampleInput((unsigned char*)samples, size,
input_sample_rate, getSampleRate());
int s = encode(size);
if(s>0){
incRecordTime(bytes2samples(size));
unsigned int wr_ts = scaleSystemTS(system_ts);
//DBG("write(wr_ts = %10.u; s = %u)\n",wr_ts,s);
return write(wr_ts,(unsigned int)s);
}
else{
return s;
}
}
bool AmAudioFormat::operator == (const AmAudioFormat& r) const
{
return ( codec && r.codec
&& (r.codec->id == codec->id)
&& (r.bytes2samples(1024) == bytes2samples(1024))
&& (r.channels == channels)
&& (r.rate == rate));
}
bool AmAudioFormat::operator == (const AmAudioFormat& r) const
{
return ( codec && r.codec
&& (strlen(r.codec->name) == strlen(codec->name))
&& (!memcmp(r.codec->name,codec->name,strlen(codec->name)))
&& (r.bytes2samples(1024) == bytes2samples(1024))
&& (r.channels == channels)
&& (r.rate == rate));
}
/* Writes 'todo' mixed SBYTES (!!) to 'buf'. It returns the number of SBYTES
actually written to 'buf' (which is rounded to number of samples that fit
into 'todo' bytes). */
ULONG VC1_WriteBytes(SBYTE* buf,ULONG todo)
{
if(!vc_softchn)
return VC1_SilenceBytes(buf,todo);
todo = bytes2samples(todo);
VC1_WriteSamples(buf,todo);
return samples2bytes(todo);
}
UWORD VC_WriteBytes(char *buf,UWORD todo)
/*
Writes 'todo' mixed SBYTES (!!) to 'buf'. It returns the number of
SBYTES actually written to 'buf' (which is rounded to number of samples
that fit into 'todo' bytes).
*/
{
todo=bytes2samples(todo);
VC_WriteSamples(buf,todo);
return samples2bytes(todo);
}
/* Fill the buffer with 'todo' bytes of silence (it depends on the mixing mode
how the buffer is filled) */
ULONG VC1_SilenceBytes(SBYTE* buf,ULONG todo)
{
todo=samples2bytes(bytes2samples(todo));
/* clear the buffer to zero (16 bits signed) or 0x80 (8 bits unsigned) */
if(vc_mode & DMODE_16BITS)
memset(buf,0,todo);
else
memset(buf,0x80,todo);
return todo;
}
// returns bytes written, else -1 if error (0 is OK)
int AmAudio::put(unsigned int user_ts, unsigned char* buffer, unsigned int size)
{
if(!size){
return 0;
}
if(max_rec_time > -1 && rec_time >= max_rec_time)
return -1;
memcpy((unsigned char*)samples,buffer,size);
unsigned int s = encode(size);
if(s>0) {
//DBG("%s\n",typeid(this).name());
incRecordTime(bytes2samples(size));
return write(user_ts,(unsigned int)s);
}
else{
return s;
}
}