diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/panning.cpp | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/Alc/panning.cpp b/Alc/panning.cpp index efacf81a..77d5630e 100644 --- a/Alc/panning.cpp +++ b/Alc/panning.cpp @@ -234,23 +234,20 @@ static void SetChannelMap(const Channel (&devchans)[MAX_OUTPUT_CHANNELS], ChannelConfig *ambicoeffs, const ChannelMap *chanmap, ALsizei count, ALsizei *outcount) { - ALsizei maxchans{0}; - std::for_each(chanmap, chanmap+count, - [&maxchans,&devchans,ambicoeffs](const ChannelMap &channel) -> void + auto copy_coeffs = [&devchans,ambicoeffs](ALsizei maxchans, const ChannelMap &channel) -> ALsizei + { + const ALint idx{GetChannelIndex(devchans, channel.ChanName)}; + if(idx < 0) { - ALint idx = GetChannelIndex(devchans, channel.ChanName); - if(idx < 0) - { - ERR("Failed to find %s channel in device\n", - GetLabelFromChannel(channel.ChanName)); - return; - } - - maxchans = maxi(maxchans, idx+1); - std::copy_n(channel.Config, MAX_AMBI_COEFFS, ambicoeffs[idx]); + ERR("Failed to find %s channel in device\n", GetLabelFromChannel(channel.ChanName)); + return maxchans; } - ); - *outcount = mini(maxchans, MAX_OUTPUT_CHANNELS); + + std::copy(std::begin(channel.Config), std::end(channel.Config), ambicoeffs[idx]); + return maxi(maxchans, idx+1); + }; + ALsizei maxcount{std::accumulate(chanmap, chanmap+count, ALsizei{0}, copy_coeffs)}; + *outcount = mini(maxcount, MAX_OUTPUT_CHANNELS); } static bool MakeSpeakerMap(ALCdevice *device, const AmbDecConf *conf, ALsizei speakermap[MAX_OUTPUT_CHANNELS]) |