/**
* \brief Sets the volume of a channel.
* \param channel A channel index.
* \param volume The volume to set.
*/
void ItDecoder::set_channel_volume(int channel, int volume) {
const unsigned int num_channels = get_num_channels();
const unsigned int num_patterns = ModPlug_NumPatterns(modplug_file);
for (unsigned int pattern = 0; pattern < num_patterns; ++pattern) {
unsigned int num_rows;
ModPlugNote* notes = ModPlug_GetPattern(modplug_file, pattern, &num_rows);
for (unsigned int j = channel; j < num_rows * num_channels; j += num_channels) {
notes[j].Volume = volume;
}
}
}
/**
* \brief Returns the volume of a channel.
* \param channel A channel index.
* \return The volume of this channel.
*/
int ItDecoder::get_channel_volume(int channel) {
const int num_patterns = ModPlug_NumPatterns(modplug_file);
Debug::check_assertion(channel >= 0 && channel < get_num_channels(),
"Invalid channel number");
if (num_patterns == 0) {
return 0;
}
unsigned int num_rows = 0;
ModPlugNote* notes = ModPlug_GetPattern(modplug_file, 0, &num_rows);
if (num_rows == 0) {
return 0;
}
return notes[0].Volume;
}
ModPlugNote* sfMod::Mod::GetPattern(int pattern, unsigned int* numrows) const
{
return ModPlug_GetPattern(file_, pattern, numrows);
}
