Works fine for me in RO and ROHQ both with and without HW Accell. Here is a sample of the Graph (RO with HW Accell ON):
Filter Graph Info:
Filter 'JRiver Audio Renderer'
CLSID: {A4002F8E-510F-442C-8AD3-F9C7B23FB394}
Host:
Input Pin 'In'
Connected to pin 'Output' of filter 'LAV Audio Decoder (auto-configured)'
Major type MEDIATYPE_Audio Sub type MEDIASUBTYPE_IEEE_FLOAT, Format type FORMAT_WaveFormatEx
Filter 'Enhanced Video Renderer'
CLSID: {FA10746C-9B63-4B6C-BC49-FC300EA5F256}
Host: c:\windows\syswow64\evr.dll
Input Pin 'EVR Input0'
Connected to pin 'Output' of filter 'LAV Video Decoder (auto-configured)'
Major type MEDIATYPE_Video Sub type MEDIASUBTYPE_NV12, Format type FORMAT_VideoInfo2
Input Pin 'EVR Input1'
Filter 'LAV Video Decoder (auto-configured)'
CLSID: {EE30215D-164F-4A92-A4EB-9D4C13390F9F}
Host: C:\Users\Nathan\AppData\Roaming\J River\Media Center 19\Plugins\lav\LAVVideo.ax
Input Pin 'Input'
Connected to pin 'Output' of filter 'JRiver Video Monitor'
Major type MEDIATYPE_Video Sub type MEDIASUBTYPE_H264, Format type FORMAT_MPEG2_VIDEO
Output Pin 'Output'
Connected to pin 'EVR Input0' of filter 'Enhanced Video Renderer'
Major type MEDIATYPE_Video Sub type MEDIASUBTYPE_NV12, Format type FORMAT_VideoInfo2
Filter 'LAV Audio Decoder (auto-configured)'
CLSID: {E8E73B6B-4CB3-44A4-BE99-4F7BCB96E491}
Host: C:\Users\Nathan\AppData\Roaming\J River\Media Center 19\Plugins\lav\LAVAudio.ax
Input Pin 'Input'
Connected to pin 'Output' of filter 'JRiver Audio Monitor'
Major type MEDIATYPE_Audio Sub type Unknown GUID Name: {00000055-0000-0010-8000-00AA00389B71}, Format type FORMAT_WaveFormatEx
Output Pin 'Output'
Connected to pin 'In' of filter 'JRiver Audio Renderer'
Major type MEDIATYPE_Audio Sub type MEDIASUBTYPE_IEEE_FLOAT, Format type FORMAT_WaveFormatEx
Filter 'JRiver Video Monitor'
CLSID: {A4207487-E7D8-406B-9882-B66370DE2492}
Host:
Input Pin 'Input'
Connected to pin 'Video' of filter 'LAV Splitter (auto-configured)'
Major type MEDIATYPE_Video Sub type MEDIASUBTYPE_H264, Format type FORMAT_MPEG2_VIDEO
Output Pin 'Output'
Connected to pin 'Input' of filter 'LAV Video Decoder (auto-configured)'
Major type MEDIATYPE_Video Sub type MEDIASUBTYPE_H264, Format type FORMAT_MPEG2_VIDEO
Filter 'JRiver Audio Monitor'
CLSID: {A4207487-E7D8-406B-9882-B66370DE2492}
Host:
Input Pin 'Input'
Connected to pin 'Audio' of filter 'LAV Splitter (auto-configured)'
Major type MEDIATYPE_Audio Sub type Unknown GUID Name: {00000055-0000-0010-8000-00AA00389B71}, Format type FORMAT_WaveFormatEx
Output Pin 'Output'
Connected to pin 'Input' of filter 'LAV Audio Decoder (auto-configured)'
Major type MEDIATYPE_Audio Sub type Unknown GUID Name: {00000055-0000-0010-8000-00AA00389B71}, Format type FORMAT_WaveFormatEx
Filter 'LAV Splitter (auto-configured)'
CLSID: {B98D13E7-55DB-4385-A33D-09FD1BA26338}
Host: C:\Users\Nathan\AppData\Roaming\J River\Media Center 19\Plugins\lav\LAVSplitter.ax
Output Pin 'Video'
Connected to pin 'Input' of filter 'JRiver Video Monitor'
Major type MEDIATYPE_Video Sub type MEDIASUBTYPE_H264, Format type FORMAT_MPEG2_VIDEO
Output Pin 'Audio'
Connected to pin 'Input' of filter 'JRiver Audio Monitor'
Major type MEDIATYPE_Audio Sub type Unknown GUID Name: {00000055-0000-0010-8000-00AA00389B71}, Format type FORMAT_WaveFormatEx