This file plays very poorly (HEVC)

This file plays very poorly,

test file in github : https://github.com/azureplus/vlckit_test.git 1920.mp4

cpu 100%

log:

2019-07-12 07:59:12.061948+0800 vlc[47059:1631422] new VPS parsed: 0
2019-07-12 07:59:12.062139+0800 vlc[47059:1631422] new SPS parsed: 0
2019-07-12 07:59:12.062165+0800 vlc[47059:1631422] new PPS parsed: 0
2019-07-12 07:59:12.069424+0800 vlc[47059:1631422] using video decoder module "videotoolbox"
2019-07-12 07:59:12.069538+0800 vlc[47059:1631422] looking for audio decoder module matching "any": 16 candidates
2019-07-12 07:59:12.069573+0800 vlc[47059:1631422] using ffmpeg Lavc58.35.100
2019-07-12 07:59:12.070765+0800 vlc[47059:1631422] CPU flags: 0x00000068
2019-07-12 07:59:12.076742+0800 vlc[47059:1631283] <CATransformLayer: 0x282e291a0> - changing property allowsEdgeAntialiasing in transform-only layer, will have no effect
2019-07-12 07:59:12.076805+0800 vlc[47059:1631283] <CATransformLayer: 0x282e291a0> - changing property allowsGroupBlending in transform-only layer, will have no effect
2019-07-12 07:59:12.076836+0800 vlc[47059:1631283] <CATransformLayer: 0x282e291a0> - changing property allowsGroupOpacity in transform-only layer, will have no effect
2019-07-12 07:59:12.091522+0800 vlc[47059:1631422] codec (aac) started
2019-07-12 07:59:12.091568+0800 vlc[47059:1631422] using audio decoder module "avcodec"
2019-07-12 07:59:12.091639+0800 vlc[47059:1631422] looking for meta reader module matching "any": 1 candidates
2019-07-12 07:59:12.094087+0800 vlc[47059:1631422] using meta reader module "taglib"
2019-07-12 07:59:12.094125+0800 vlc[47059:1631422] removing module "taglib"
2019-07-12 07:59:12.094151+0800 vlc[47059:1631422] `1920.mp4' successfully opened
2019-07-12 07:59:12.094201+0800 vlc[47059:1631422] elst (0) gives 0ms (movie)-> 33ms (track)
2019-07-12 07:59:12.094218+0800 vlc[47059:1631422] track[Id 0x1] using Sync Sample Box (stss)
2019-07-12 07:59:12.094483+0800 vlc[47059:1631422] stss gives 2 --> 0 (sample number)
2019-07-12 07:59:12.094654+0800 vlc[47059:1631422] elst (0) gives 0ms (movie)-> 0ms (track)
2019-07-12 07:59:12.094914+0800 vlc[47059:1631422] Buffering 0%
2019-07-12 07:59:12.095046+0800 vlc[47059:1631422] Buffering 25%
2019-07-12 07:59:12.095179+0800 vlc[47059:1631422] Buffering 50%
2019-07-12 07:59:12.095236+0800 vlc[47059:163142019-07-12 07:59:12.096744+0800 vlc[47059:1631442] removing module "videotoolbox"
22] Buffering 75%
2019-07-12 07:59:12.097643+0800 vlc[47059:1631443] creating audio output
2019-07-12 07:59:12.097672+0800 vlc[47059:1631443] looking for audio output module matching "any": 4 candidates
2019-07-12 07:59:12.097716+0800 vlc[47059:1631443] using audio output module "audiounit_ios"
2019-07-12 07:59:12.097866+0800 vlc[47059:1631443] VLC is looking for: 'f32l' 48000 Hz Stereo frame=1 samples/8 bytes
2019-07-12 07:59:12.134487+0800 vlc[47059:1631422] Buffering 100%
2019-07-12 07:59:12.143861+0800 vlc[47059:1631442] looking for video decoder module matching "any": 12 candidates
2019-07-12 07:59:12.143949+0800 vlc[47059:1631442] using ffmpeg Lavc58.35.100
2019-07-12 07:59:12.143972+0800 vlc[47059:1631442] CPU flags: 0x00000068
2019-07-12 07:59:12.144226+0800 vlc[47059:1631442] allowing 3 thread(s) for decoding
2019-07-12 07:59:12.154750+0800 vlc[47059:1631443] Output on Default, channel count: 2
2019-07-12 07:59:12.157023+0800 vlc[47059:1631442] codec (hevc) started
2019-07-12 07:59:12.157071+0800 vlc[47059:1631442] using frame thread mode with 3 threads
2019-07-12 07:59:12.157086+0800 vlc[47059:1631442] using video decoder module "avcodec" 
2019-07-12 07:59:12.236566+0800 vlc[47059:1631422] Stream buffering done (1250 ms in 132 ms)
2019-07-12 07:59:12.236608+0800 vlc[47059:1631479] available hardware decoder output format 160 (videotoolbox_vld)
2019-07-12 07:59:12.236622+0800 vlc[47059:1631479] available software decoder output format 0 (yuv420p)
2019-07-12 07:59:12.236873+0800 vlc[47059:1631479] looking for text renderer module matching "freetype": 2 candidates
supportedInterfaceOrientations:UIInterfaceOrientationMask(rawValue: 2)
2019-07-12 07:59:12.275157+0800 vlc[47059:1631443] not output layout, default to Stereo
2019-07-12 07:59:12.275190+0800 vlc[47059:1631443] selected 2 physical channels for device output
2019-07-12 07:59:12.275204+0800 vlc[47059:1631443] VLC will output: Stereo
2019-07-12 07:59:12.275234+0800 vlc[47059:1631443] Current AU format: [48000.000000][mcpl][9][8][1][8][2][32]
2019-07-12 07:59:12.283181+0800 vlc[47059:1631443] Current device has a latency of 4499 us
2019-07-12 07:59:12.322539+0800 vlc[47059:1631479] using text renderer module "freetype"
2019-07-12 07:59:12.322580+0800 vlc[47059:1631479] looking for video converter module matching "any": 15 candidates
2019-07-12 07:59:12.324901+0800 vlc[47059:1631479] 32x32 (32x32) chroma: YUVA -> 16x16 (16x16) chroma: RGBA with scaling using Bicubic (good quality)
2019-07-12 07:59:12.324933+0800 vlc[47059:1631479] using video converter module "swscale"
2019-07-12 07:59:12.324947+0800 vlc[47059:1631479] looking for video converter module matching "any": 15 candidates
2019-07-12 07:59:12.324963+0800 vlc[47059:1631479] YUVP to YUVA converter
2019-07-12 07:59:12.324973+0800 vlc[47059:1631479] using video converter module "yuvp"
2019-07-12 07:59:12.325054+0800 vlc[47059:1631479] Deinterlacing available
2019-07-12 07:59:12.325121+0800 vlc[47059:1631479] deinterlace 0, mode auto, is_needed 0
2019-07-12 07:59:12.325162+0800 vlc[47059:1631479] looking for vout window module matching "any": 0 candidates
2019-07-12 07:59:12.325187+0800 vlc[47059:1631479] no vout window modules
2019-07-12 07:59:12.325256+0800 vlc[47059:1631497] Opening vout display wrapper
2019-07-12 07:59:12.325273+0800 vlc[47059:1631497] looking for vout display module matching "any": 6 candidates
2019-07-12 07:59:12.349372+0800 vlc[47059:1631443] analog AudioUnit output successfully opened for f32l Stereo
2019-07-12 07:59:12.349416+0800 vlc[47059:1631443] output 'f32l' 48000 Hz Stereo frame=1 samples/8 bytes
2019-07-12 07:59:12.349432+0800 vlc[47059:1631443] looking for audio volume module matching "any": 2 candidates
2019-07-12 07:59:12.349444+0800 vlc[47059:1631443] using audio volume module "float_mixer"
2019-07-12 07:59:12.349455+0800 vlc[47059:1631443] input 'f32l' 48000 Hz Stereo frame=1 samples/8 bytes
2019-07-12 07:59:12.349487+0800 vlc[47059:1631443] looking for audio filter module matching "scaletempo": 13 candidates
2019-07-12 07:59:12.349524+0800 vlc[47059:1631443] format: 48000 rate, 2 nch, 4 bps, fl32
2019-07-12 07:59:12.349568+0800 vlc[47059:1631443] params: 30 stride, 0.200 overlap, 14 search
2019-07-12 07:59:12.349645+0800 vlc[47059:1631443] 1.000 scale, 1440.000 stride_in, 1440 stride_out, 1152 standing, 288 overlap, 672 search, 2400 queue, fl32 mode
2019-07-12 07:59:12.349665+0800 vlc[47059:1631443] using audio filter module "scaletempo"
2019-07-12 07:59:12.349680+0800 vlc[47059:1631443] conversion: 'f32l'->'f32l' 48000 Hz->48000 Hz Stereo->Stereo
2019-07-12 07:59:12.349691+0800 vlc[47059:1631443] conversion pipeline complete
2019-07-12 07:59:12.349716+0800 vlc[47059:1631443] looking for audio filter module matching "equalizer": 13 candidates
2019-07-12 07:59:12.349835+0800 vlc[47059:1631443] equalizer loaded for 48000 Hz with 10 bands 1 pass
2019-07-12 07:59:12.349850+0800 vlc[47059:1631443]    31.25 Hz -> factor:0.504988 alpha:0.001444 beta:0.997112 gamma:1.997095
2019-07-12 07:59:12.349862+0800 vlc[47059:1631443]    62.50 Hz -> factor:0.322717 alpha:0.002884 beta:0.994232 gamma:1.994165
2019-07-12 07:59:12.350085+0800 vlc[47059:1631443]    125.00 Hz -> factor:0.079564 alpha:0.005752 beta:0.988497 gamma:1.988230
2019-07-12 07:59:12.350103+0800 vlc[47059:1631443]    250.00 Hz -> factor:0.000000 alpha:0.011437 beta:0.977126 gamma:1.976067
2019-07-12 07:59:12.350116+0800 vlc[47059:1631443]    500.00 Hz -> factor:0.000000 alpha:0.022613 beta:0.954775 gamma:1.950589
2019-07-12 07:59:12.350127+0800 vlc[47059:1631443]    1000.00 Hz -> factor:-0.118798 alpha:0.044203 beta:0.911595 gamma:1.895241
2019-07-12 07:59:12.350168+0800 vlc[47059:1631443]    2000.00 Hz -> factor:-0.140871 alpha:0.084497 beta:0.831006 gamma:1.768616
2019-07-12 07:59:12.350195+0800 vlc[47059:1631443]    4000.00 Hz -> factor:-0.140871 alpha:0.154688 beta:0.690623 gamma:1.464123
2019-07-12 07:59:12.350207+0800 vlc[47059:1631443]    8000.00 Hz -> factor:0.000000 alpha:0.260898 beta:0.478204 gamma:0.739102
2019-07-12 07:59:12.350219+0800 vlc[47059:1631443]    16000.00 Hz -> factor:0.000000 alpha:0.371900 beta:0.256201 gamma:-0.628101
2019-07-12 07:59:12.350859+0800 vlc[47059:1631443] using audio filter module "equalizer"
2019-07-12 07:59:12.351091+0800 vlc[47059:1631443] conversion: 'f32l'->'f32l' 48000 Hz->48000 Hz Stereo->Stereo
2019-07-12 07:59:12.351104+0800 vlc[47059:1631443] conversion pipeline complete
2019-07-12 07:59:12.351117+0800 vlc[47059:1631443] conversion: 'f32l'->'f32l' 48000 Hz->48000 Hz Stereo->Stereo
2019-07-12 07:59:12.351166+0800 vlc[47059:1631443] conversion pipeline complete
2019-07-12 07:59:12.351187+0800 vlc[47059:1631443] looking for audio resampler module matching "soxr": 2 candidates
2019-07-12 07:59:12.355294+0800 vlc[47059:1631443] Using SoX Resampler with 'cr32' engine and 'Medium 16-bit with medium roll-off' quality to convert f32l/48000Hz to f32l/48000Hz.
2019-07-12 07:59:12.355330+0800 vlc[47059:1631443] using audio resampler module "soxr"
2019-07-12 07:59:12.470951+0800 vlc[47059:1631283] VoutDisplayEvent 'resize' 414x736
2019-07-12 07:59:12.481808+0800 vlc[47059:1631497] using vout display module "ios"
VoutDisplayEvent 'resize' 1242x2208
2019-07-12 07:59:12.901036+0800 vlc[47059:1631283] VoutDisplayEvent 'resize' 1242x2208
2019-07-12 07:59:12.901076+0800 vlc[47059:1631283] VoutDisplayEvent 'resize' 1242x2208
2019-07-12 07:59:12.923455+0800 vlc[47059:1631497] picture might be displayed late (missing 6 ms)
2019-07-12 07:59:12.923473+0800 vlc[47059:1631283] VoutDisplayEvent 'resize' 1242x2208
2019-07-12 07:59:12.940945+0800 vlc[47059:1631497] picture might be displayed late (missing 6 ms)
2019-07-12 07:59:12.954985+0800 vlc[47059:1631497] picture might be displayed late (missing 4 ms)
2019-07-12 07:59:13.326246+0800 vlc[47059:1631497] auto hiding mouse cursor
2019-07-12 07:59:14.104700+0800 vlc[47059:1631497] picture might be displayed late (missing 4 ms)
[hevc @ 0x12e214600] Could not find ref with POC 110
[hevc @ 0x12e214600] Could not find ref with POC 117
[hevc @ 0x12e214600] Could not find ref with POC 116
2019-07-12 07:59:16.484360+0800 vlc[47059:1631497] picture might be displayed late (missing 0 ms)
2019-07-12 07:59:16.551749+0800 vlc[47059:1631497] picture might be displayed late (missing 1 ms)
2019-07-12 07:59:16.575328+0800 vlc[47059:1631497] picture might be displayed late (missing 7 ms)
2019-07-12 07:59:16.590071+0800 vlc[47059:1631497] picture might be displayed late (missing 6 ms)
2019-07-12 07:59:16.775400+0800 vlc[47059:1631497] picture might be displayed late (missing 8 ms)
2019-07-12 07:59:17.006003+0800 vlc[47059:1631497] picture might be displayed late (missing 5 ms)
2019-07-12 07:59:17.058576+0800 vlc[47059:1631497] picture might be displayed late (missing 7 ms)
2019-07-12 07:59:17.153232+0800 vlc[47059:1631497] picture might be displayed late (missing 2 ms)
2019-07-12 07:59:17.170876+0800 vlc[47059:1631497] picture might be displayed late (missing 3 ms)
2019-07-12 07:59:17.188429+0800 vlc[47059:1631497] picture might be displayed late (missing 4 ms)
2019-07-12 07:59:17.204482+0800 vlc[47059:1631497] picture might be displayed late (missing 3 ms)
2019-07-12 07:59:17.238259+0800 vlc[47059:1631497] picture might be displayed late (missing 4 ms)
2019-07-12 07:59:17.253107+0800 vlc[47059:1631497] picture might be displayed late (missing 2 ms)
2019-07-12 07:59:17.288884+0800 vlc[47059:1631497] picture might be displayed late (missing 4 ms)
2019-07-12 07:59:17.302249+0800 vlc[47059:1631497] picture might be displayed late (missing 1 ms)
2019-07-12 07:59:17.324950+0800 vlc[47059:1631497] picture might be displayed late (missing 7 ms)
2019-07-12 07:59:17.484645+0800 vlc[47059:1631497] picture might be displayed late (missing 0 ms)
2019-07-12 07:59:17.735369+0800 vlc[47059:1631497] picture might be displayed late (missing 1 ms)
2019-07-12 07:59:17.773064+0800 vlc[47059:1631497] picture might be displayed late (missing 5 ms)
2019-07-12 07:59:18.052649+0800 vlc[47059:1631497] picture might be displayed late (missing 1 ms)
2019-07-12 07:59:18.104419+0800 vlc[47059:1631497] picture might be displayed late (missing 3 ms)