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Add getChannelIndexForType to AudioChannelSet class

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This commit is contained in:
hogliux 2016-03-07 15:43:32 +00:00
parent 1d603c6b6c
commit 7ee4c800a9
2 changed files with 18 additions and 0 deletions
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14
modules/juce_audio_processors/processors/juce_AudioChannelSet.cpp
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@ -135,6 +135,20 @@ AudioChannelSet::ChannelType AudioChannelSet::getTypeOfChannel (int index) const
return static_cast<ChannelType> (bit);
}
int AudioChannelSet::getChannelIndexForType (AudioChannelSet::ChannelType type) const noexcept
{
int idx = 0;
for (int bit = channels.findNextSetBit (0); bit >= 0; bit = channels.findNextSetBit (bit + 1))
{
if (static_cast<ChannelType> (bit) == type)
return idx;
idx++;
}
return -1;
}
Array<AudioChannelSet::ChannelType> AudioChannelSet::getChannelTypes() const
{
Array<ChannelType> result;

4
modules/juce_audio_processors/processors/juce_AudioChannelSet.h
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@ -166,6 +166,10 @@ public:
/** Returns the type of one of the channels in the set, by index. */
ChannelType getTypeOfChannel (int channelIndex) const noexcept;
/** Returns the index for a particular channel-type.
Will return -1 if the this set does not contain a channel of this type. */
int getChannelIndexForType (ChannelType type) const noexcept;
/** Returns a string containing a whitespace-separated list of speaker types
corresponding to each channel. For example in a 5.1 arrangement,
the string may be "L R C Lfe Ls Rs". If the speaker arrangement is unknown,