Surround sound output over HDMI

[Goosfand]

Hi everybody,

I can't get VLC 2.1.2 to output 5.1 surround sound when I'm playing a file with a52 audio encoding. The file I'm playing can be downloaded here: http://dl.demo-world.eu/download_hd.php ... ator_2.rar

I've connected my laptop's display port to my receiver's HDMI input, and the receiver's HDMI output to my TV. When I play the demo file I seem to be getting a stereo sound. This is the debug log of VLC on a fresh installation:

Code: Select all

main debug: processing request item: hd_thx_terminator_2.m2ts, node: Playlist, skip: 0 main debug: resyncing on hd_thx_terminator_2.m2ts main debug: hd_thx_terminator_2.m2ts is at 0 main debug: starting playback of the new playlist item main debug: resyncing on hd_thx_terminator_2.m2ts main debug: hd_thx_terminator_2.m2ts is at 0 main debug: creating new input thread main debug: Creating an input for 'hd_thx_terminator_2.m2ts' main debug: using timeshift granularity of 50 MiB, in path 'C:\Users\Goosfand\AppData\Local\Temp' main debug: `file:///C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' gives access `file' demux `' path `/C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' main debug: creating demux: access='file' demux='' location='/C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' file='C:\Users\Goosfand\Downloads\Dolby\hd_thx_terminator_2.m2ts' main debug: looking for access_demux module matching "file": 12 candidates main debug: no access_demux modules matched main debug: creating access 'file' location='/C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts', path='C:\Users\Goosfand\Downloads\Dolby\hd_thx_terminator_2.m2ts' main debug: looking for access module matching "file": 20 candidates filesystem debug: opening file `C:\Users\Goosfand\Downloads\Dolby\hd_thx_terminator_2.m2ts' main debug: using access module "filesystem" main debug: Using stream method for AStream* main debug: starting pre-buffering main debug: received first data after 0 ms main debug: pre-buffering done 1024 bytes in 0s - 1000000 KiB/s main debug: looking for stream_filter module matching "any": 6 candidates main debug: no stream_filter modules matched main debug: looking for stream_filter module matching "record": 6 candidates main debug: using stream_filter module "record" main debug: creating demux: access='file' demux='' location='/C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' file='C:\Users\Goosfand\Downloads\Dolby\hd_thx_terminator_2.m2ts' main debug: looking for demux module matching "any": 63 candidates mod debug: MOD validation failed (ext=m2ts) ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage qt4 debug: IM: Setting an input ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts debug: pid[256] unknown ts debug: pid[31] unknown ts debug: PATCallBack called ts debug: new PAT ts_id=1 version=0 current_next=1 ts debug: * number=0 pid=31 ts debug: * number=1 pid=256 ts debug: PMTCallBack called ts debug: new PMT program number=1 version=0 pid_pcr=4097 ts debug: * descriptor : unknown (0x88) ts debug: * descriptor : registration HDMV ts debug: * es pid=4113 type=27 dr->i_tag=0x28 ts debug: * es pid=4113 type=27 fcc=h264 main debug: selecting program id=1 ts debug: * es pid=4352 type=129 dr->i_tag=0x5 ts debug: * es pid=4352 type=129 fcc=a52 filesystem warning: unimplemented query 4097 in control main debug: using demux module "ts" main debug: looking for a subtitle file in C:\Users\Goosfand\Downloads\Dolby\ main debug: looking for decoder module matching "any": 39 candidates avcodec debug: trying to use direct rendering avcodec debug: allowing 4 thread(s) for decoding avcodec debug: avcodec codec (H264 - MPEG-4 AVC (part 10)) started avcodec debug: using frame thread mode with 4 threads main debug: using decoder module "avcodec" main debug: looking for packetizer module matching "any": 21 candidates main debug: using packetizer module "packetizer_h264" main debug: looking for decoder module matching "any": 39 candidates main debug: using decoder module "a52" ts debug: DEMUX_SET_GROUP 0 0000000000000000 main debug: looking for meta reader module matching "any": 2 candidates lua debug: Trying Lua scripts in C:\Users\Goosfand\AppData\Roaming\vlc\lua\meta\reader lua debug: Trying Lua scripts in C:\Program Files\VideoLAN\VLC\lua\meta\reader lua debug: Trying Lua playlist script C:\Program Files\VideoLAN\VLC\lua\meta\reader\filename.luac main debug: no meta reader modules matched main debug: `file:///C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' successfully opened ts debug: pid[4097] unknown main debug: Buffering 0% ts warning: first packet for pid=4113 cc=0x1 packetizer_h264 debug: found NAL_SPS (sps_id=0) packetizer_h264 debug: found NAL_PPS (pps_id=0 sps_id=0) ts warning: first packet for pid=4352 cc=0x1 a52 debug: A/52 channels:6 samplerate:48000 bitrate:640000 main debug: reusing audio output directsound debug: Opening DirectSound Audio Output main debug: Buffering 32% main debug: looking for text renderer module matching "any": 2 candidates freetype debug: Using Arial as font from file C:\Windows\Fonts\arial.ttf freetype debug: using fontsize: 2 main debug: using text renderer module "freetype" main debug: looking for video filter2 module matching "any": 55 candidates swscale debug: 32x32 chroma: YUVA -> 16x16 chroma: RGBA with scaling using Bicubic (good quality) main debug: using video filter2 module "swscale" main debug: looking for video filter2 module matching "any": 55 candidates yuvp debug: YUVP to YUVA converter main debug: using video filter2 module "yuvp" main debug: Deinterlacing available main debug: deinterlace 0, mode blend, is_needed 0 main debug: Buffering 64% main debug: Opening vout display wrapper main debug: looking for vout display module matching "any": 10 candidates main debug: Buffering 96% main debug: Stream buffering done (385 ms in 7 ms) direct3d debug: creating Vout EventThread direct3d debug: DirectXCreateWindow main debug: looking for vout window hwnd module matching "qt4,any": 3 candidates qt4 debug: requesting video window... directsound debug: Windows speaker config: Stereo and stream has 6 channels, using 2 channels main debug: output 'f32l' 48000 Hz Stereo frame=1 samples/8 bytes main debug: looking for audio volume module matching "any": 2 candidates main debug: using audio volume module "float_mixer" main debug: input 'a52 ' 48000 Hz 3F2R/LFE frame=1536 samples/2560 bytes main debug: looking for audio filter module matching "scaletempo": 14 candidates scaletempo debug: format: 48000 rate, 6 nch, 4 bps, fl32 scaletempo debug: params: 30 stride, 0.200 overlap, 14 search scaletempo debug: 1.000 scale, 1440.000 stride_in, 1440 stride_out, 1152 standing, 288 overlap, 672 search, 2400 queue, fl32 mode main debug: using audio filter module "scaletempo" main debug: conversion: 'a52 '->'f32l' 48000 Hz->48000 Hz 3F2R/LFE->3F2R/LFE main debug: looking for audio converter module matching "any": 12 candidates main debug: no audio converter modules matched main debug: looking for audio converter module matching "any": 12 candidates main debug: using audio converter module "a52tofloat32" main debug: conversion pipeline complete main debug: conversion: 'f32l'->'f32l' 48000 Hz->48000 Hz 3F2R/LFE->Stereo main debug: looking for audio converter module matching "any": 12 candidates main debug: using audio converter module "simple_channel_mixer" main debug: conversion pipeline complete main debug: looking for audio resampler module matching "any": 3 candidates main debug: using audio resampler module "samplerate" main debug: End of audio preroll qt4 debug: Video was requested 0, 0 main debug: using vout window hwnd module "qt4" direct3d debug: created video sub-window direct3d debug: Vout EventThread running direct3d debug: disabling screen saver direct3d debug: Direct3d Device: NVIDIA NVS 3100M 4318 2668 162 main debug: VoutDisplayEvent 'resize' 1936x1118 window direct3d warning: trying surface pixel format: YV12 direct3d debug: selected surface pixel format is YV12 direct3d debug: Using D3DTEXF_LINEAR for minification direct3d debug: Using D3DTEXF_LINEAR for magnification direct3d debug: Direct3D scene created successfully direct3d debug: Direct3D device adapter successfully initialized main debug: using vout display module "direct3d" main debug: original format sz 1920x1080, of (0,0), vsz 1920x1080, 4cc I420, sar 1:1, msk r0x0 g0x0 b0x0 main debug: removing module "freetype" main debug: looking for text renderer module matching "any": 2 candidates main debug: VoutDisplayEvent 'resize' 1920x923 window freetype debug: Using Arial as font from file C:\Windows\Fonts\arial.ttf freetype debug: using fontsize: 2 main debug: using text renderer module "freetype" avcodec debug: using direct rendering main debug: End of video preroll main debug: Received first picture direct3d debug: Created 779x70 texture for OSD main debug: Decoder buffering done in 284 ms main debug: inserting 24336 zeroes main debug: picture might be displayed late (missing 0 ms) main debug: auto hiding mouse cursor main debug: incoming request - stopping current input main debug: control: stopping input main debug: incoming request - stopping current input main debug: finished input main debug: removing module "avcodec" avcodec debug: ffmpeg codec (H264 - MPEG-4 AVC (part 10)) stopped main debug: killing decoder fourcc `h264', 0 PES in FIFO main debug: saving a free vout main debug: reusing provided vout main debug: removing module "packetizer_h264" main debug: removing module "a52" main debug: killing decoder fourcc `a52 ', 0 PES in FIFO main debug: removing module "samplerate" main debug: removing module "a52tofloat32" main debug: removing module "scaletempo" main debug: removing module "simple_channel_mixer" directsound debug: closing audio device main debug: removing module "float_mixer" main debug: keeping audio output main debug: removing module "ts" ts debug: pid list: ts debug: - pid[0] seen ts debug: - pid[31] seen ts debug: - pid[256] seen ts debug: - pid[4097] seen ts debug: - pid[4113] seen main debug: Program doesn't contain anymore ES ts debug: - pid[4352] seen ts debug: - pid[8191] seen main debug: removing module "record" main debug: removing module "filesystem" main debug: incoming request - stopping current input main debug: dead input main debug: destroying useless vout main debug: removing module "direct3d" direct3d debug: Direct3D scene released successfully qt4 debug: IM: Deleting the input direct3d debug: DirectXEventThread terminating direct3d debug: DirectXCloseWindow direct3d debug: WinProc WM_DESTROY qt4 debug: releasing video... qt4 debug: Video is not needed anymore main debug: removing module "freetype" main debug: removing module "yuvp" main debug: removing module "swscale"

Note that when I play this file using Windows Media Player it sounds fine. I noticed "directsound debug: Windows speaker config: Stereo and stream has 6 channels, using 2 channels" in the logs, so I went to preferences, set output to DirectX, and set speaker configuration to 5.1. Now I get this debug log:

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main debug: processing request item: hd_thx_terminator_2.m2ts, node: Playlist, skip: 0 main debug: resyncing on hd_thx_terminator_2.m2ts main debug: hd_thx_terminator_2.m2ts is at 0 main debug: starting playback of the new playlist item main debug: resyncing on hd_thx_terminator_2.m2ts main debug: hd_thx_terminator_2.m2ts is at 0 main debug: creating new input thread main debug: Creating an input for 'hd_thx_terminator_2.m2ts' main debug: using timeshift granularity of 50 MiB, in path 'C:\Users\Goosfand\AppData\Local\Temp' main debug: `file:///C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' gives access `file' demux `' path `/C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' main debug: creating demux: access='file' demux='' location='/C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' file='C:\Users\Goosfand\Downloads\Dolby\hd_thx_terminator_2.m2ts' main debug: looking for access_demux module matching "file": 12 candidates main debug: no access_demux modules matched main debug: creating access 'file' location='/C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts', path='C:\Users\Goosfand\Downloads\Dolby\hd_thx_terminator_2.m2ts' main debug: looking for access module matching "file": 20 candidates filesystem debug: opening file `C:\Users\Goosfand\Downloads\Dolby\hd_thx_terminator_2.m2ts' main debug: using access module "filesystem" main debug: Using stream method for AStream* main debug: starting pre-buffering main debug: received first data after 0 ms main debug: pre-buffering done 1024 bytes in 0s - 1000000 KiB/s main debug: looking for stream_filter module matching "any": 6 candidates main debug: no stream_filter modules matched main debug: looking for stream_filter module matching "record": 6 candidates main debug: using stream_filter module "record" main debug: creating demux: access='file' demux='' location='/C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' file='C:\Users\Goosfand\Downloads\Dolby\hd_thx_terminator_2.m2ts' main debug: looking for demux module matching "any": 63 candidates mod debug: MOD validation failed (ext=m2ts) ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage qt4 debug: IM: Setting an input ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts debug: pid[256] unknown ts debug: pid[31] unknown ts debug: PATCallBack called ts debug: new PAT ts_id=1 version=0 current_next=1 ts debug: * number=0 pid=31 ts debug: * number=1 pid=256 ts debug: PMTCallBack called ts debug: new PMT program number=1 version=0 pid_pcr=4097 ts debug: * descriptor : unknown (0x88) ts debug: * descriptor : registration HDMV ts debug: * es pid=4113 type=27 dr->i_tag=0x28 ts debug: * es pid=4113 type=27 fcc=h264 main debug: selecting program id=1 ts debug: * es pid=4352 type=129 dr->i_tag=0x5 ts debug: * es pid=4352 type=129 fcc=a52 filesystem warning: unimplemented query 4097 in control main debug: using demux module "ts" main debug: looking for a subtitle file in C:\Users\Goosfand\Downloads\Dolby\ main debug: looking for decoder module matching "any": 39 candidates avcodec debug: trying to use direct rendering avcodec debug: allowing 4 thread(s) for decoding avcodec debug: avcodec codec (H264 - MPEG-4 AVC (part 10)) started avcodec debug: using frame thread mode with 4 threads main debug: using decoder module "avcodec" main debug: looking for packetizer module matching "any": 21 candidates main debug: using packetizer module "packetizer_h264" main debug: looking for decoder module matching "any": 39 candidates main debug: using decoder module "a52" ts debug: DEMUX_SET_GROUP 0 0000000000000000 main debug: looking for meta reader module matching "any": 2 candidates lua debug: Trying Lua scripts in C:\Users\Goosfand\AppData\Roaming\vlc\lua\meta\reader lua debug: Trying Lua scripts in C:\Program Files\VideoLAN\VLC\lua\meta\reader lua debug: Trying Lua playlist script C:\Program Files\VideoLAN\VLC\lua\meta\reader\filename.luac main debug: no meta reader modules matched main debug: `file:///C:/Users/Goosfand/Downloads/Dolby/hd_thx_terminator_2.m2ts' successfully opened ts debug: pid[4097] unknown main debug: Buffering 0% ts warning: first packet for pid=4113 cc=0x1 ts warning: first packet for pid=4352 cc=0x1 a52 debug: A/52 channels:6 samplerate:48000 bitrate:640000 main debug: reusing audio output directsound debug: Opening DirectSound Audio Output main debug: Buffering 32% main debug: Buffering 64% main debug: Buffering 96% main debug: Stream buffering done (385 ms in 5 ms) packetizer_h264 debug: found NAL_SPS (sps_id=0) packetizer_h264 debug: found NAL_PPS (pps_id=0 sps_id=0) main debug: looking for text renderer module matching "any": 2 candidates freetype debug: Using Arial as font from file C:\Windows\Fonts\arial.ttf freetype debug: using fontsize: 2 main debug: using text renderer module "freetype" main debug: looking for video filter2 module matching "any": 55 candidates swscale debug: 32x32 chroma: YUVA -> 16x16 chroma: RGBA with scaling using Bicubic (good quality) main debug: using video filter2 module "swscale" main debug: looking for video filter2 module matching "any": 55 candidates yuvp debug: YUVP to YUVA converter main debug: using video filter2 module "yuvp" main debug: Deinterlacing available main debug: deinterlace 0, mode blend, is_needed 0 main debug: Opening vout display wrapper main debug: looking for vout display module matching "any": 10 candidates direct3d debug: creating Vout EventThread direct3d debug: DirectXCreateWindow main debug: looking for vout window hwnd module matching "qt4,any": 3 candidates qt4 debug: requesting video window... directsound debug: VLC speaker config: 5.1 directsound debug: couldn't use hardware sound buffer directsound debug: channel reordering needed main debug: output 'f32l' 48000 Hz 3F2R/LFE frame=1 samples/24 bytes main debug: looking for audio volume module matching "any": 2 candidates main debug: using audio volume module "float_mixer" main debug: input 'a52 ' 48000 Hz 3F2R/LFE frame=1536 samples/2560 bytes main debug: looking for audio filter module matching "scaletempo": 14 candidates scaletempo debug: format: 48000 rate, 6 nch, 4 bps, fl32 scaletempo debug: params: 30 stride, 0.200 overlap, 14 search scaletempo debug: 1.000 scale, 1440.000 stride_in, 1440 stride_out, 1152 standing, 288 overlap, 672 search, 2400 queue, fl32 mode main debug: using audio filter module "scaletempo" main debug: conversion: 'a52 '->'f32l' 48000 Hz->48000 Hz 3F2R/LFE->3F2R/LFE main debug: looking for audio converter module matching "any": 12 candidates main debug: no audio converter modules matched main debug: looking for audio converter module matching "any": 12 candidates main debug: using audio converter module "a52tofloat32" main debug: conversion pipeline complete main debug: conversion: 'f32l'->'f32l' 48000 Hz->48000 Hz 3F2R/LFE->3F2R/LFE main debug: conversion pipeline complete main debug: looking for audio resampler module matching "any": 3 candidates main debug: using audio resampler module "samplerate" main debug: End of audio preroll qt4 debug: Video was requested 0, 0 main debug: using vout window hwnd module "qt4" direct3d debug: created video sub-window direct3d debug: Vout EventThread running direct3d debug: disabling screen saver direct3d debug: Direct3d Device: NVIDIA NVS 3100M 4318 2668 162 main debug: VoutDisplayEvent 'resize' 1936x1118 window direct3d warning: trying surface pixel format: YV12 direct3d debug: selected surface pixel format is YV12 direct3d debug: Using D3DTEXF_LINEAR for minification direct3d debug: Using D3DTEXF_LINEAR for magnification direct3d debug: Direct3D scene created successfully direct3d debug: Direct3D device adapter successfully initialized main debug: using vout display module "direct3d" main debug: original format sz 1920x1080, of (0,0), vsz 1920x1080, 4cc I420, sar 1:1, msk r0x0 g0x0 b0x0 main debug: removing module "freetype" main debug: looking for text renderer module matching "any": 2 candidates freetype debug: Using Arial as font from file C:\Windows\Fonts\arial.ttf freetype debug: using fontsize: 2 main debug: using text renderer module "freetype" avcodec debug: using direct rendering main debug: VoutDisplayEvent 'resize' 1920x923 window main debug: End of video preroll main debug: Received first picture direct3d debug: Created 779x70 texture for OSD main debug: Decoder buffering done in 263 ms main debug: inserting 23952 zeroes main debug: picture might be displayed late (missing 1 ms) main debug: auto hiding mouse cursor main debug: incoming request - stopping current input main debug: control: stopping input main debug: incoming request - stopping current input main debug: finished input main debug: removing module "avcodec" avcodec debug: ffmpeg codec (H264 - MPEG-4 AVC (part 10)) stopped main debug: killing decoder fourcc `h264', 0 PES in FIFO main debug: saving a free vout main debug: reusing provided vout main debug: removing module "packetizer_h264" main debug: removing module "a52" main debug: killing decoder fourcc `a52 ', 0 PES in FIFO main debug: removing module "samplerate" main debug: removing module "a52tofloat32" main debug: removing module "scaletempo" directsound debug: closing audio device main debug: removing module "float_mixer" main debug: keeping audio output main debug: removing module "ts" ts debug: pid list: ts debug: - pid[0] seen ts debug: - pid[31] seen ts debug: - pid[256] seen ts debug: - pid[4097] seen ts debug: - pid[4113] seen main debug: Program doesn't contain anymore ES ts debug: - pid[4352] seen ts debug: - pid[8191] seen main debug: removing module "record" main debug: removing module "filesystem" main debug: incoming request - stopping current input main debug: dead input main debug: destroying useless vout main debug: removing module "direct3d" direct3d debug: Direct3D scene released successfully qt4 debug: IM: Deleting the input direct3d debug: DirectXEventThread terminating direct3d debug: DirectXCloseWindow direct3d debug: WinProc WM_DESTROY qt4 debug: releasing video... qt4 debug: Video is not needed anymore main debug: removing module "freetype" main debug: removing module "yuvp" main debug: removing module "swscale"

This time it doesn't seem to do any conversion to 2 channels, but what I hear from my speakers still sounds like a stereo output. I play the same file on my desktop PC that has 5.1 analog output directly connected to speakers and it outputs surround sound with this VLC debug log:

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main debug: processing request item: hd_thx_terminator_2.m2ts, node: Playlist, skip: 0 main debug: resyncing on hd_thx_terminator_2.m2ts main debug: hd_thx_terminator_2.m2ts is at 0 main debug: starting playback of the new playlist item main debug: resyncing on hd_thx_terminator_2.m2ts main debug: hd_thx_terminator_2.m2ts is at 0 main debug: creating new input thread main debug: Creating an input for 'hd_thx_terminator_2.m2ts' main debug: using timeshift granularity of 50 MiB, in path 'C:\Users\Goosfand\AppData\Local\Temp' main debug: `file:///C:/Users/Goosfand/Documents/Visual%20Studio%202010/Projects/hd_thx_terminator_2.m2ts' gives access `file' demux `' path `/C:/Users/Goosfand/Documents/Visual%20Studio%202010/Projects/hd_thx_terminator_2.m2ts' main debug: creating demux: access='file' demux='' location='/C:/Users/Goosfand/Documents/Visual%20Studio%202010/Projects/hd_thx_terminator_2.m2ts' file='C:\Users\Goosfand\Documents\Visual Studio 2010\Projects\hd_thx_terminator_2.m2ts' main debug: looking for access_demux module matching "file": 12 candidates main debug: no access_demux modules matched main debug: creating access 'file' location='/C:/Users/Goosfand/Documents/Visual%20Studio%202010/Projects/hd_thx_terminator_2.m2ts', path='C:\Users\Goosfand\Documents\Visual Studio 2010\Projects\hd_thx_terminator_2.m2ts' main debug: looking for access module matching "file": 20 candidates filesystem debug: opening file `C:\Users\Goosfand\Documents\Visual Studio 2010\Projects\hd_thx_terminator_2.m2ts' main debug: using access module "filesystem" main debug: Using stream method for AStream* main debug: starting pre-buffering main debug: received first data after 0 ms main debug: pre-buffering done 1024 bytes in 0s - 1000000 KiB/s main debug: looking for stream_filter module matching "any": 6 candidates main debug: no stream_filter modules matched main debug: looking for stream_filter module matching "stream_filter_record": 6 candidates main debug: no stream_filter modules matched main debug: creating demux: access='file' demux='' location='/C:/Users/Goosfand/Documents/Visual%20Studio%202010/Projects/hd_thx_terminator_2.m2ts' file='C:\Users\Goosfand\Documents\Visual Studio 2010\Projects\hd_thx_terminator_2.m2ts' main debug: looking for demux module matching "any": 63 candidates mod debug: MOD validation failed (ext=m2ts) ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts warning: lost synchro ts debug: skipping 4 bytes of garbage qt4 debug: IM: Setting an input ts warning: lost synchro ts debug: skipping 4 bytes of garbage ts debug: pid[256] unknown ts debug: pid[31] unknown ts debug: PATCallBack called ts debug: new PAT ts_id=1 version=0 current_next=1 ts debug: * number=0 pid=31 ts debug: * number=1 pid=256 ts debug: PMTCallBack called ts debug: new PMT program number=1 version=0 pid_pcr=4097 ts debug: * descriptor : unknown (0x88) ts debug: * descriptor : registration HDMV ts debug: * es pid=4113 type=27 dr->i_tag=0x28 ts debug: * es pid=4113 type=27 fcc=h264 main debug: selecting program id=1 ts debug: * es pid=4352 type=129 dr->i_tag=0x5 ts debug: * es pid=4352 type=129 fcc=a52 filesystem warning: unimplemented query 4097 in control main debug: using demux module "ts" main debug: looking for a subtitle file in C:\Users\Goosfand\Documents\Visual Studio 2010\Projects\ main debug: looking for decoder module matching "any": 39 candidates avcodec debug: trying to use direct rendering avcodec debug: allowing 4 thread(s) for decoding avcodec debug: avcodec codec (H264 - MPEG-4 AVC (part 10)) started avcodec debug: using frame thread mode with 4 threads main debug: using decoder module "avcodec" main debug: looking for packetizer module matching "any": 21 candidates main debug: using packetizer module "packetizer_h264" main debug: looking for decoder module matching "any": 39 candidates main debug: using decoder module "a52" ts debug: DEMUX_SET_GROUP 0 0000000000000000 main debug: looking for meta reader module matching "any": 2 candidates lua debug: Trying Lua scripts in C:\Users\Goosfand\AppData\Roaming\vlc\lua\meta\reader lua debug: Trying Lua scripts in C:\Program Files\VideoLAN\VLC\lua\meta\reader lua debug: Trying Lua playlist script C:\Program Files\VideoLAN\VLC\lua\meta\reader\filename.luac main debug: no meta reader modules matched main debug: `file:///C:/Users/Goosfand/Documents/Visual%20Studio%202010/Projects/hd_thx_terminator_2.m2ts' successfully opened ts debug: pid[4097] unknown main debug: Buffering 0% ts warning: first packet for pid=4113 cc=0x1 packetizer_h264 debug: found NAL_SPS (sps_id=0) packetizer_h264 debug: found NAL_PPS (pps_id=0 sps_id=0) ts warning: first packet for pid=4352 cc=0x1 a52 debug: A/52 channels:6 samplerate:48000 bitrate:640000 main debug: reusing audio output directsound debug: Opening DirectSound Audio Output main debug: Buffering 32% main debug: looking for text renderer module matching "any": 2 candidates freetype debug: Using Arial as font from file C:\Windows\Fonts\ariali.ttf freetype debug: using fontsize: 2 main debug: using text renderer module "freetype" main debug: looking for video filter2 module matching "any": 55 candidates main debug: Buffering 64% swscale debug: 32x32 chroma: YUVA -> 16x16 chroma: RGBA with scaling using Bicubic (good quality) main debug: using video filter2 module "swscale" main debug: looking for video filter2 module matching "any": 55 candidates yuvp debug: YUVP to YUVA converter main debug: using video filter2 module "yuvp" main debug: Buffering 96% main debug: Deinterlacing available main debug: deinterlace 0, mode blend, is_needed 0 main debug: Stream buffering done (385 ms in 2 ms) main debug: Opening vout display wrapper main debug: looking for vout display module matching "any": 10 candidates directsound debug: Windows speaker config: 5.1 and stream has 6 channels, using 6 channels direct3d debug: creating Vout EventThread direct3d debug: DirectXCreateWindow main debug: looking for vout window hwnd module matching "qt4,any": 3 candidates qt4 debug: requesting video window... directsound debug: couldn't use hardware sound buffer directsound debug: channel reordering needed main debug: output 'f32l' 48000 Hz 3F2R/LFE frame=1 samples/24 bytes main debug: looking for audio volume module matching "any": 2 candidates main debug: using audio volume module "float_mixer" main debug: input 'a52 ' 48000 Hz 3F2R/LFE frame=1536 samples/2560 bytes main debug: looking for audio filter module matching "scaletempo": 14 candidates scaletempo debug: format: 48000 rate, 6 nch, 4 bps, fl32 scaletempo debug: params: 30 stride, 0.200 overlap, 14 search scaletempo debug: 1.000 scale, 1440.000 stride_in, 1440 stride_out, 1152 standing, 288 overlap, 672 search, 2400 queue, fl32 mode main debug: using audio filter module "scaletempo" main debug: conversion: 'a52 '->'f32l' 48000 Hz->48000 Hz 3F2R/LFE->3F2R/LFE main debug: looking for audio converter module matching "any": 12 candidates main debug: no audio converter modules matched main debug: looking for audio converter module matching "any": 12 candidates main debug: using audio converter module "a52tofloat32" main debug: conversion pipeline complete main debug: conversion: 'f32l'->'f32l' 48000 Hz->48000 Hz 3F2R/LFE->3F2R/LFE main debug: conversion pipeline complete main debug: looking for audio resampler module matching "any": 3 candidates main debug: using audio resampler module "samplerate" main debug: End of audio preroll qt4 debug: Video was requested 0, 0 main debug: using vout window hwnd module "qt4" direct3d debug: created video sub-window direct3d debug: Vout EventThread running direct3d debug: disabling screen saver direct3d debug: Direct3d Device: NVIDIA GeForce GTX 650 Ti 4318 4550 161 main debug: VoutDisplayEvent 'resize' 1936x1119 window direct3d warning: trying surface pixel format: YV12 direct3d debug: selected surface pixel format is YV12 direct3d debug: Using D3DTEXF_LINEAR for minification direct3d debug: Using D3DTEXF_LINEAR for magnification direct3d debug: Direct3D scene created successfully direct3d debug: Direct3D device adapter successfully initialized main debug: using vout display module "direct3d" main debug: original format sz 1920x1080, of (0,0), vsz 1920x1080, 4cc I420, sar 1:1, msk r0x0 g0x0 b0x0 main debug: removing module "freetype" main debug: looking for text renderer module matching "any": 2 candidates main debug: VoutDisplayEvent 'resize' 1920x922 window freetype debug: Using Arial as font from file C:\Windows\Fonts\ariali.ttf freetype debug: using fontsize: 2 main debug: using text renderer module "freetype" avcodec debug: using direct rendering main debug: End of video preroll main debug: Received first picture direct3d debug: Created 783x71 texture for OSD main debug: Decoder buffering done in 127 ms main debug: inserting 24384 zeroes main debug: picture might be displayed late (missing 1 ms) main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: VoutDisplayEvent 'mouse button' 2 t=8 main debug: VoutDisplayEvent 'mouse button' 2 t=9 main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor direct3d debug: Created 406x60 texture for OSD main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor main debug: auto hiding mouse cursor

I switched to version 2.0.8. In this version there was an option to send the audio output to SPDIF, when I choose this option I get surround sound. However, I can't keep using this version because it cannot playback some of my video files.

Summary:
Laptop HDMI output, VLC Version 2.1.2, fresh installation: Doesn't output surround sound, logs say VLC detects a stereo speaker configuration
Laptop HDMI output, VLC Version 2.1.2, DirectX output, forced 5.1 configuration: Doesn't output surround sound, logs don't mention anything
Laptop HDMI output, Windows Media Player: I get surround sound
Laptop HDMI output, VLC Version 2.0.8, output set to SPDIF: I get surround sound
Laptop HDMI output, VLC Version 2.0.8, output set to 5.1: I don't get surround sound

PC analog output, VLC Version 2.1.2, fresh installation: I get surround sound

I also tried a nightly, but I still have the same problem.

Any ideas on what's causing this problem?

[Goosfand]

I actually figured out what was wrong. Although I was telling VLC to use a 5.1 channel configuration Windows was still set to use a stereo configuration. To fix this, I went to Control Panel->Sound, selected my HDMI output, then pressed the Configure button, and set up that output as a 5.1 speakers. Then when I tried VLC I got surround sound.

I'm not sure how Windows Media Player works without this setup.

[Jean-Baptiste Kempf]

Or you can force SPDIF in VLC preferences.

[Goosfand]

Or you can force SPDIF in VLC preferences.

How can I do this? I don't see an option to force SPDIF anywhere. I tried selecting DirectX as output device as somebody suggested elsewhere, but I still can't see anything about SPDIF.

[Jean-Baptiste Kempf]

It's under it, on 2.1.3