EFFECT_LV2* EFFECT_LV2::clone(void) const
{
EFFECT_LV2* result = new EFFECT_LV2(plugin_desc);
for(int n = 0; n < number_of_params(); n++) {
result->set_parameter(n + 1, get_parameter(n + 1));
}
return result;
}
void EFFECT_BASE::set_samples_per_second(SAMPLE_SPECS::sample_rate_t new_rate)
{
ECA_LOG_MSG(ECA_LOGGER::user_objects,
"Setting samplerate to " +
kvu_numtostr(new_rate) + " for object " +
name() + ". Old value " +
kvu_numtostr(samples_per_second()) + ".");
/* note: changing the sample rate might change values of
* of parameters, so we want to preserve the values */
if (samples_per_second() != new_rate) {
std::vector<parameter_t> old_values (number_of_params());
for(int n = 0; n < number_of_params(); n++) {
old_values[n] = get_parameter(n + 1);
}
ECA_SAMPLERATE_AWARE::set_samples_per_second(new_rate);
for(int n = 0; n < number_of_params(); n++) {
set_parameter(n + 1, old_values[n]);
}
}
}
CGBIO_ERROR nvb_reader_impl::get_param_name( unsigned int index, const char **name, bool& is_referenced ) const
{
if ( index >= number_of_params() )
return CGBIO_ERROR_INDEX;
if ( 0 == image_ )
return CGBIO_ERROR_NO_ERROR;
const CgBinaryParameter* params = reinterpret_cast<CgBinaryParameter*>( &image_[convert_endianness( header_.parameterArray, endianness_ )] );
const CgBinaryParameter& pp = params[index];
is_referenced = convert_endianness( pp.isReferenced, endianness() ) != 0;
CgBinaryStringOffset nm_offset = convert_endianness( pp.name,endianness() );
if ( nm_offset != 0 )
*name = &image_[nm_offset];
else
*name = "";
return CGBIO_ERROR_NO_ERROR;
}
CGBIO_ERROR
nvb_reader_impl::get_param( unsigned int index,
CGtype& type,
CGresource& resource,
CGenum& variability,
int& resource_index,
const char ** name,
STL_NAMESPACE vector<float>& default_value,
STL_NAMESPACE vector<unsigned int>& embedded_constants,
const char ** semantic,
int& paramno,
bool& is_referenced,
bool& is_shared ) const
{
if ( index >= number_of_params() )
return CGBIO_ERROR_INDEX;
if ( 0 == image_ )
return CGBIO_ERROR_NO_ERROR;
const CgBinaryParameter* params = reinterpret_cast<CgBinaryParameter*>( &image_[convert_endianness( header_.parameterArray, endianness_ )] );
const CgBinaryParameter& pp = params[index];
type = static_cast<CGtype>(convert_endianness( static_cast<unsigned int>( pp.type ), endianness() ) );
resource = static_cast<CGresource>(convert_endianness( static_cast<unsigned int>( pp.res ), endianness() ) );
variability = static_cast<CGenum>(convert_endianness( static_cast<unsigned int>( pp.var ),endianness() ) );
resource_index = convert_endianness( pp.resIndex,endianness() );
paramno = convert_endianness( pp.paramno, endianness() );
is_referenced = convert_endianness( pp.isReferenced,endianness() ) != 0;
is_shared = convert_endianness( pp.isShared,endianness() ) != 0;
CgBinaryStringOffset nm_offset = convert_endianness( pp.name,endianness() );
CgBinaryFloatOffset dv_offset = convert_endianness( pp.defaultValue,endianness() );
CgBinaryEmbeddedConstantOffset ec_offset = convert_endianness( pp.embeddedConst,endianness() );
CgBinaryStringOffset sm_offset = convert_endianness( pp.semantic,endianness() );
if ( 0 != nm_offset )
{
*name = &image_[nm_offset];
}
else
*name = "";
if ( 0 != sm_offset )
{
*semantic = &image_[sm_offset];
}
else
*semantic = "";
if ( 0 != dv_offset )
{
char *vp = &image_[dv_offset];
for (int ii = 0; ii < 4; ++ii)
{
int tmp;
memcpy(&tmp,vp+4*ii,4);
tmp = convert_endianness(tmp,endianness());
float tmp2;
memcpy(&tmp2,&tmp,4);
default_value.push_back( tmp2 );
}
}
if ( 0 != ec_offset )
{
void *vp = &image_[ec_offset];
CgBinaryEmbeddedConstant& ec = *(static_cast<CgBinaryEmbeddedConstant*>( vp ));
for (unsigned int ii = 0; ii < convert_endianness( ec.ucodeCount, endianness() ); ++ii)
{
unsigned int offset = convert_endianness( ec.ucodeOffset[ii], endianness() );
embedded_constants.push_back( offset );
}
}
return CGBIO_ERROR_NO_ERROR;
}