| public input_sample ( float sample, int subbandnumber ) : void | ||
| sample | float | |
| subbandnumber | int | |
| return | void | |
/// <summary>*
/// </summary>
public override bool put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
{
base.put_next_sample(channels, filter1, filter2);
if ((channel2_allocation != 0) && (channels != OutputChannels.LEFT_CHANNEL))
{
float sample2 = (channel2_sample * channel2_factor + channel2_offset) * channel2_scalefactor;
if (channels == OutputChannels.BOTH_CHANNELS)
filter2.input_sample(sample2, subbandnumber);
else
filter1.input_sample(sample2, subbandnumber);
}
return true;
}
/// <summary>*
/// </summary>
public override bool put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
{
if (allocation != 0)
{
sample = sample * factor + offset; // requantization
if (channels == OutputChannels.BOTH_CHANNELS)
{
float sample1 = sample * scalefactor, sample2 = sample * channel2_scalefactor;
filter1.input_sample(sample1, subbandnumber);
filter2.input_sample(sample2, subbandnumber);
}
else if (channels == OutputChannels.LEFT_CHANNEL)
{
float sample1 = sample * scalefactor;
filter1.input_sample(sample1, subbandnumber);
}
else
{
float sample2 = sample * channel2_scalefactor;
filter1.input_sample(sample2, subbandnumber);
}
}
return true;
}
/// <summary>*
/// </summary>
public override bool put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
{
if ((allocation != 0) && (channels != OutputChannels.RIGHT_CHANNEL))
{
float scaled_sample = (sample * factor + offset) * scalefactor;
filter1.input_sample(scaled_sample, subbandnumber);
}
return true;
}
/// <summary>*
/// </summary>
public override bool put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
{
bool returnvalue = base.put_next_sample(channels, filter1, filter2);
if ((channel2_allocation != 0) && (channels != OutputChannels.LEFT_CHANNEL))
{
float sample = channel2_samples[samplenumber - 1];
if (groupingtable[1] == null)
sample = (sample + channel2_d[0]) * channel2_c[0];
if (groupnumber <= 4)
sample *= channel2_scalefactor1;
else if (groupnumber <= 8)
sample *= channel2_scalefactor2;
else
sample *= channel2_scalefactor3;
if (channels == OutputChannels.BOTH_CHANNELS)
filter2.input_sample(sample, subbandnumber);
else
filter1.input_sample(sample, subbandnumber);
}
return returnvalue;
}
/// <summary>*
/// </summary>
public override bool put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
{
if (allocation != 0)
{
float sample = samples[samplenumber];
if (groupingtable[0] == null)
sample = (sample + d[0]) * c[0];
if (channels == OutputChannels.BOTH_CHANNELS)
{
float sample2 = sample;
if (groupnumber <= 4)
{
sample *= scalefactor1;
sample2 *= channel2_scalefactor1;
}
else if (groupnumber <= 8)
{
sample *= scalefactor2;
sample2 *= channel2_scalefactor2;
}
else
{
sample *= scalefactor3;
sample2 *= channel2_scalefactor3;
}
filter1.input_sample(sample, subbandnumber);
filter2.input_sample(sample2, subbandnumber);
}
else if (channels == OutputChannels.LEFT_CHANNEL)
{
if (groupnumber <= 4)
sample *= scalefactor1;
else if (groupnumber <= 8)
sample *= scalefactor2;
else
sample *= scalefactor3;
filter1.input_sample(sample, subbandnumber);
}
else
{
if (groupnumber <= 4)
sample *= channel2_scalefactor1;
else if (groupnumber <= 8)
sample *= channel2_scalefactor2;
else
sample *= channel2_scalefactor3;
filter1.input_sample(sample, subbandnumber);
}
}
if (++samplenumber == 3)
return true;
else
return false;
}
/// <summary>*
/// </summary>
public override bool put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
{
if ((allocation != 0) && (channels != OutputChannels.RIGHT_CHANNEL))
{
float sample = samples[samplenumber];
if (groupingtable[0] == null)
sample = (sample + d[0]) * c[0];
if (groupnumber <= 4)
sample *= scalefactor1;
else if (groupnumber <= 8)
sample *= scalefactor2;
else
sample *= scalefactor3;
filter1.input_sample(sample, subbandnumber);
}
if (++samplenumber == 3)
return true;
else
return false;
}
