Comment 120 for bug 1516025

"
it is pulseaudio resampler mix I00 and I02 for O02

( 37.895| 0.000) D: [pulseaudio] resampler.c: Resampler:
( 37.895| 0.000) D: [pulseaudio] resampler.c: rate 44100 -> 44100 (method copy)
( 37.895| 0.000) D: [pulseaudio] resampler.c: format s16le -> s16le (intermediate s16le)
( 37.895| 0.000) D: [pulseaudio] resampler.c: channels 2 -> 3 (resampling 2)
( 37.895| 0.000) D: [pulseaudio] resampler.c: Channel matrix:
( 37.895| 0.000) D: [pulseaudio] resampler.c: I00 I01
( 37.895| 0.000) D: [pulseaudio] resampler.c: +------------
( 37.895| 0.000) D: [pulseaudio] resampler.c: O00 | 1.000 0.000
( 37.895| 0.000) D: [pulseaudio] resampler.c: O01 | 0.000 1.000
( 37.895| 0.000) D: [pulseaudio] resampler.c: O02 | 0.500 0.500
( 37.895| 0.000) I: [pulseaudio] remap.c: Using generic matrix remapping
( 37.895| 0.000) D: [pulseaudio] resampler.c: lfe filter activated (LR4 type), the crossover_freq = 120Hz

as surround21 seem copy LFE to channel 2 and 3,

  0.189| 0.000) I: [pulseaudio] alsa-sink.c: Using hardware mute control.
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: snd_pcm_dump():
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Route conversion PCM
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Transformation table:
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: 0 <- 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: 1 <- 1
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: 2 <- 2
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: 3 <- 2
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Its setup is:
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stream : PLAYBACK
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: access : MMAP_INTERLEAVED
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: format : S16_LE
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: subformat : STD
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: channels : 3
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: rate : 44100
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: exact rate : 44100 (44100/1)
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: msbits : 16
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: buffer_size : 8192
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_size : 4096
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_time : 92879
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: tstamp_mode : ENABLE
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: tstamp_type : MONOTONIC
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_step : 1
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: avail_min : 7603
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_event : 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: start_threshold : -1
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stop_threshold : 4611686018427387904
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: silence_threshold: 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: silence_size : 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: boundary : 4611686018427387904
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Slave: Soft volume PCM
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Control: PCM Playback Volume
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: min_dB: -51
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: max_dB: 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: resolution: 256
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Its setup is:
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stream : PLAYBACK
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: access : MMAP_INTERLEAVED
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: format : S16_LE
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: subformat : STD
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: channels : 4
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: rate : 44100
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: exact rate : 44100 (44100/1)
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: msbits : 16
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: buffer_size : 8192
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_size : 4096
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_time : 92879
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: tstamp_mode : ENABLE
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: tstamp_type : MONOTONIC
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_step : 1
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: avail_min : 7603
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_event : 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: start_threshold : -1
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stop_threshold : 4611686018427387904
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: silence_threshold: 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: silence_size : 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: boundary : 4611686018427387904
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Slave: Hardware PCM card 1 'HDA Intel PCH' device 0 subdevice 0
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: Its setup is:
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: stream : PLAYBACK
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: access : MMAP_INTERLEAVED
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: format : S16_LE
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: subformat : STD
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: channels : 4
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: rate : 44100
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: exact rate : 44100 (44100/1)
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: msbits : 16
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: buffer_size : 8192
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_size : 4096
( 0.189| 0.000) D: [pulseaudio] alsa-util.c: period_time : 92879