Solved Video stutters while in full-screen at 2x speed

rocheez

Hello folks,

I am having playback problems only on this specific website. Video stutters while in full-screen at 2x speed. Audio freezes too.
This problem doesn't appear in every video, but usually after the third play or when you seek after the buffer. Here's a list of public videos to test.
This is only happening in Vivaldi for Windows. I tested in my default install and the standalone install while following the troubleshooting guidelines (guest profile, inconito, disabling extensions, enabling 3rd party cookies etc.) and it keeps stuttering. I did the same on a Ubuntu live USB and there is no stuttering.

PS: Vulkan is disabled because every full-screen video goes black or flickers black lines and blocks when it is enabled. I tried following this thread with no success.

Thanks in advance for the help.

GPU

Graphics Feature Status
Canvas: Hardware accelerated
Canvas out-of-process rasterization: Disabled
Direct Rendering Display Compositor: Disabled
Compositing: Hardware accelerated
Multiple Raster Threads: Enabled
Out-of-process Rasterization: Hardware accelerated
OpenGL: Enabled
Rasterization: Hardware accelerated
Raw Draw: Disabled
Skia Renderer: Enabled
Video Decode: Hardware accelerated
Video Encode: Hardware accelerated
Vulkan: Disabled
WebGL: Hardware accelerated
WebGL2: Hardware accelerated
Driver Bug Workarounds
clear_uniforms_before_first_program_use
decode_encode_srgb_for_generatemipmap
disable_delayed_copy_nv12
enable_webgl_timer_query_extensions
exit_on_context_lost
disabled_extension_GL_KHR_blend_equation_advanced
disabled_extension_GL_KHR_blend_equation_advanced_coherent
Problems Detected
Some drivers are unable to reset the D3D device in the GPU process sandbox
Applied Workarounds: exit_on_context_lost
Clear uniforms before first program use on all platforms: 124764, 349137
Applied Workarounds: clear_uniforms_before_first_program_use
Disable KHR_blend_equation_advanced until cc shaders are updated: 661715
Applied Workarounds: disable(GL_KHR_blend_equation_advanced), disable(GL_KHR_blend_equation_advanced_coherent)
Decode and Encode before generateMipmap for srgb format textures on Windows: 634519
Applied Workarounds: decode_encode_srgb_for_generatemipmap
Delayed copy NV12 displays incorrect colors on NVIDIA drivers.: 728670
Applied Workarounds: disable_delayed_copy_nv12
Expose WebGL's disjoint_timer_query extensions on platforms with site isolation: 808744, 870491
Applied Workarounds: enable_webgl_timer_query_extensions
ANGLE Features
allow_compressed_formats (Frontend workarounds): Enabled: true
Allow compressed formats
disable_anisotropic_filtering (Frontend workarounds): Disabled
Disable support for anisotropic filtering
disable_program_binary (Frontend features) anglebug:5007: Disabled
Disable support for GL_OES_get_program_binary
disable_program_caching_for_transform_feedback (Frontend workarounds): Disabled
On some GPUs, program binaries don't contain transform feedback varyings
enableCompressingPipelineCacheInThreadPool (Frontend workarounds) anglebug:4722: Disabled: false
Enable compressing pipeline cache in thread pool.
enableProgramBinaryForCapture (Frontend features) anglebug:5658: Disabled
Even if FrameCapture is enabled, enable GL_OES_get_program_binary
enable_capture_limits (Frontend features) anglebug:5750: Disabled
Set the context limits like frame capturing was enabled
forceInitShaderVariables (Frontend features): Disabled
Force-enable shader variable initialization
forceRobustResourceInit (Frontend features) anglebug:6041: Disabled
Force-enable robust resource init
lose_context_on_out_of_memory (Frontend workarounds): Enabled: true
Some users rely on a lost context notification if a GL_OUT_OF_MEMORY error occurs
scalarize_vec_and_mat_constructor_args (Frontend workarounds) 1165751: Disabled: false
Always rewrite vec/mat constructors to be consistent
add_mock_texture_no_render_target (D3D workarounds) anglebug:2152: Disabled: isIntel && capsVersion >= IntelDriverVersion(160000) && capsVersion < IntelDriverVersion(164815)
On some drivers when rendering with no render target, two bugs lead to incorrect behavior
allowES3OnFL10_0 (D3D workarounds): Disabled: false
Allow ES3 on 10.0 devices
allow_clear_for_robust_resource_init (D3D workarounds) 941620: Enabled: true
Some drivers corrupt texture data when clearing for robust resource initialization.
allow_translate_uniform_block_to_structured_buffer (D3D workarounds) anglebug:3682: Enabled: IsWin10OrGreater()
There is a slow fxc compile performance issue with dynamic uniform indexing if translating a uniform block with a large array member to cbuffer.
call_clear_twice (D3D workarounds) 655534: Disabled: isIntel && isSkylake && capsVersion >= IntelDriverVersion(160000) && capsVersion < IntelDriverVersion(164771)
Using clear() may not take effect
depth_stencil_blit_extra_copy (D3D workarounds) anglebug:1452: Disabled: (part1 <= 13u && part2 < 6881) && isNvidia && driverVersionValid
Bug in some drivers triggers a TDR when using CopySubresourceRegion from a staging texture to a depth/stencil
disable_b5g6r5_support (D3D workarounds): Disabled: (isIntel && capsVersion >= IntelDriverVersion(150000) && capsVersion < IntelDriverVersion(154539)) || isAMD
Textures with the format DXGI_FORMAT_B5G6R5_UNORM have incorrect data
emulate_isnan_float (D3D workarounds) 650547: Disabled: isIntel && isSkylake && capsVersion >= IntelDriverVersion(160000) && capsVersion < IntelDriverVersion(164542)
Using isnan() on highp float will get wrong answer
emulate_tiny_stencil_textures (D3D workarounds): Disabled: isAMD && !(deviceCaps.featureLevel < D3D_FEATURE_LEVEL_10_1)
1x1 and 2x2 mips of depth/stencil textures aren't sampled correctly
expand_integer_pow_expressions (D3D workarounds): Enabled: true
The HLSL optimizer has a bug with optimizing 'pow' in certain integer-valued expressions
flush_after_ending_transform_feedback (D3D workarounds): Enabled: isNvidia
Some drivers sometimes write out-of-order results to StreamOut buffers when transform feedback is used to repeatedly write to the same buffer positions
force_atomic_value_resolution (D3D workarounds) anglebug:3246: Enabled: isNvidia
On some drivers the return value from RWByteAddressBuffer.InterlockedAdd does not resolve when used in the .yzw components of a RWByteAddressBuffer.Store operation
get_dimensions_ignores_base_level (D3D workarounds): Enabled: isNvidia
Some drivers do not take into account the base level of the texture in the results of the HLSL GetDimensions builtin
mrt_perf_workaround (D3D workarounds): Enabled: true
Some drivers have a bug where they ignore null render targets
pre_add_texel_fetch_offsets (D3D workarounds): Disabled: isIntel
HLSL's function texture.Load returns 0 when the parameter Location is negative, even if the sum of Offset and Location is in range
rewrite_unary_minus_operator (D3D workarounds): Disabled: isIntel && (isBroadwell || isHaswell) && capsVersion >= IntelDriverVersion(150000) && capsVersion < IntelDriverVersion(154624)
Evaluating unary minus operator on integer may get wrong answer in vertex shaders
select_view_in_geometry_shader (D3D workarounds): Disabled: !deviceCaps.supportsVpRtIndexWriteFromVertexShader
The viewport or render target slice will be selected in the geometry shader stage for the ANGLE_multiview extension
set_data_faster_than_image_upload (D3D workarounds): Enabled: !(isIvyBridge || isBroadwell || isHaswell)
Set data faster than image upload
skip_vs_constant_register_zero (D3D workarounds): Enabled: isNvidia
In specific cases the driver doesn't handle constant register zero correctly
use_instanced_point_sprite_emulation (D3D workarounds): Disabled: isFeatureLevel9_3
Some D3D11 renderers do not support geometry shaders for pointsprite emulation
use_system_memory_for_constant_buffers (D3D workarounds) 593024: Disabled: isIntel
Copying from staging storage to constant buffer storage does not work
zero_max_lod (D3D workarounds): Disabled: isFeatureLevel9_3
Missing an option to disable mipmaps on a mipmapped texture
DAWN Info

<Discrete GPU> D3D12 backend - NVIDIA GeForce GTX 1650
[Default Toggle Names]
lazy_clear_resource_on_first_use: https://crbug.com/dawn/145: Clears resource to zero on first usage. This initializes the resource so that no dirty bits from recycled memory is present in the new resource.
use_d3d12_resource_heap_tier2: https://crbug.com/dawn/27: Enable support for resource heap tier 2. Resource heap tier 2 allows mixing of texture and buffers in the same heap. This allows better heap re-use and reduces fragmentation.
use_d3d12_render_pass: https://crbug.com/dawn/36: Use the D3D12 render pass API introduced in Windows build 1809 by default. On versions of Windows prior to build 1809, or when this toggle is turned off, Dawn will emulate a render pass.
use_d3d12_residency_management: https://crbug.com/dawn/193: Enable residency management. This allows page-in and page-out of resource heaps in GPU memory. This component improves overcommitted performance by keeping the most recently used resources local to the GPU. Turning this component off can cause allocation failures when application memory exceeds physical device memory.
disallow_unsafe_apis: http://crbug.com/1138528: Produces validation errors on API entry points or parameter combinations that aren't considered secure yet.
[WebGPU Forced Toggles - enabled]
disallow_spirv: https://crbug.com/1214923: Disallow usage of SPIR-V completely so that only WGSL is used for shader modules.This is useful to prevent a Chromium renderer process from successfully sendingSPIR-V code to be compiled in the GPU process.
[Supported Features]
texture-compression-bc
pipeline-statistics-query
timestamp-query
dawn-internal-usages
multiplanar-formats

<CPU> D3D12 backend - Microsoft Basic Render Driver
[Default Toggle Names]
lazy_clear_resource_on_first_use: https://crbug.com/dawn/145: Clears resource to zero on first usage. This initializes the resource so that no dirty bits from recycled memory is present in the new resource.
use_d3d12_resource_heap_tier2: https://crbug.com/dawn/27: Enable support for resource heap tier 2. Resource heap tier 2 allows mixing of texture and buffers in the same heap. This allows better heap re-use and reduces fragmentation.
use_d3d12_render_pass: https://crbug.com/dawn/36: Use the D3D12 render pass API introduced in Windows build 1809 by default. On versions of Windows prior to build 1809, or when this toggle is turned off, Dawn will emulate a render pass.
use_d3d12_residency_management: https://crbug.com/dawn/193: Enable residency management. This allows page-in and page-out of resource heaps in GPU memory. This component improves overcommitted performance by keeping the most recently used resources local to the GPU. Turning this component off can cause allocation failures when application memory exceeds physical device memory.
disallow_unsafe_apis: http://crbug.com/1138528: Produces validation errors on API entry points or parameter combinations that aren't considered secure yet.
[WebGPU Forced Toggles - enabled]
disallow_spirv: https://crbug.com/1214923: Disallow usage of SPIR-V completely so that only WGSL is used for shader modules.This is useful to prevent a Chromium renderer process from successfully sendingSPIR-V code to be compiled in the GPU process.
[Supported Features]
texture-compression-bc
pipeline-statistics-query
timestamp-query
dawn-internal-usages
multiplanar-formats

<Discrete GPU> Vulkan backend - NVIDIA GeForce GTX 1650
[Default Toggle Names]
lazy_clear_resource_on_first_use: https://crbug.com/dawn/145: Clears resource to zero on first usage. This initializes the resource so that no dirty bits from recycled memory is present in the new resource.
use_temporary_buffer_in_texture_to_texture_copy: https://crbug.com/dawn/42: Split texture-to-texture copy into two copies: copy from source texture into a temporary buffer, and copy from the temporary buffer into the destination texture when copying between compressed textures that don't have block-aligned sizes. This workaround is enabled by default on all Vulkan drivers to solve an issue in the Vulkan SPEC about the texture-to-texture copies with compressed formats. See #1005 (https://github.com/KhronosGroup/Vulkan-Docs/issues/1005) for more details.
vulkan_use_d32s8: https://crbug.com/dawn/286: Vulkan mandates support of either D32_FLOAT_S8 or D24_UNORM_S8. When available the backend will use D32S8 (toggle to on) but setting the toggle to off will make ituse the D24S8 format when possible.
disallow_unsafe_apis: http://crbug.com/1138528: Produces validation errors on API entry points or parameter combinations that aren't considered secure yet.
[WebGPU Forced Toggles - enabled]
disallow_spirv: https://crbug.com/1214923: Disallow usage of SPIR-V completely so that only WGSL is used for shader modules.This is useful to prevent a Chromium renderer process from successfully sendingSPIR-V code to be compiled in the GPU process.
[Supported Features]
texture-compression-bc
pipeline-statistics-query
timestamp-query
depth-clamping
dawn-internal-usages
Version Information
Data exported	2022-03-04T01:02:26.685Z
Chrome version	Chrome/98.0.4758.121
Operating system	Windows NT 10.0.22000
Software rendering list URL	https://chromium.googlesource.com/chromium/src/+/d116e13f5d0d17cc0ce8cc2a73fe90601eb4f622/gpu/config/software_rendering_list.json
Driver bug list URL	https://chromium.googlesource.com/chromium/src/+/d116e13f5d0d17cc0ce8cc2a73fe90601eb4f622/gpu/config/gpu_driver_bug_list.json
ANGLE commit id	unknown hash
2D graphics backend	Skia/98 615322e97b5d9cac54aae62a0f4f73475ce7bef6
Command Line	"C:\Users\groch\AppData\Local\Vivaldi\Application\vivaldi.exe" --origin-trial-disabled-features=ConditionalFocus --save-page-as-mhtml --flag-switches-begin --disable-features=CanvasOopRasterization --flag-switches-end
Driver Information
Initialization time	223
In-process GPU	false
Passthrough Command Decoder	true
Sandboxed	true
GPU0	VENDOR= 0x10de, DEVICE=0x1f82, SUBSYS=0x132010de, REV=161, LUID={0,51848} *ACTIVE*
GPU1	VENDOR= 0x1414, DEVICE=0x008c, LUID={0,54924}
Optimus	false
AMD switchable	false
Desktop compositing	Aero Glass
Direct composition	true
Supports overlays	true
YUY2 overlay support	SCALING
NV12 overlay support	SCALING
BGRA8 overlay support	SOFTWARE
RGB10A2 overlay support	SOFTWARE
Diagonal Monitor Size of \\.\DISPLAY2	18.9"
Driver D3D12 feature level	D3D 12.1
Driver Vulkan API version	Vulkan API 1.3.0
Driver vendor	NVIDIA
Driver version	30.0.15.1179
GPU CUDA compute capability major version	0
Pixel shader version	5.0
Vertex shader version	5.0
Max. MSAA samples	8
Machine model name	
Machine model version	
GL_VENDOR	Google Inc. (NVIDIA)
GL_RENDERER	ANGLE (NVIDIA, NVIDIA GeForce GTX 1650 Direct3D11 vs_5_0 ps_5_0, D3D11-30.0.15.1179)
GL_VERSION	OpenGL ES 2.0.0 (ANGLE 2.1.0 git hash: unknown hash)
GL_EXTENSIONS	GL_ANGLE_base_vertex_base_instance GL_ANGLE_base_vertex_base_instance_shader_builtin GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_get_serialized_context_string GL_ANGLE_get_tex_level_parameter GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_lose_context GL_CHROMIUM_sync_query GL_EXT_EGL_image_external_wrap_modes GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_clip_control GL_EXT_color_buffer_half_float GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_draw_elements_base_vertex GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_multi_draw_indirect GL_EXT_multisampled_render_to_texture GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_framebuffer_blit GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_EAC_R11_signed_texture GL_OES_compressed_EAC_R11_unsigned_texture GL_OES_compressed_EAC_RG11_signed_texture GL_OES_compressed_EAC_RG11_unsigned_texture GL_OES_compressed_ETC2_RGB8_texture GL_OES_compressed_ETC2_RGBA8_texture GL_OES_compressed_ETC2_punchthroughA_RGBA8_texture GL_OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture GL_OES_compressed_ETC2_sRGB8_alpha8_texture GL_OES_compressed_ETC2_sRGB8_texture GL_OES_depth24 GL_OES_depth32 GL_OES_draw_elements_base_vertex GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_texture_stencil8 GL_OES_vertex_array_object GL_WEBGL_video_texture
Disabled Extensions	GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent
Disabled WebGL Extensions	
Window system binding vendor	Google Inc. (NVIDIA)
Window system binding version	1.5 (ANGLE 2.1.0 git hash: unknown hash)
Window system binding extensions	EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_display_semaphore_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_ANGLE_image_d3d11_texture EGL_ANGLE_create_context_backwards_compatible EGL_KHR_no_config_context EGL_KHR_create_context_no_error EGL_KHR_reusable_sync EGL_KHR_mutable_render_buffer
Direct rendering version	unknown
Reset notification strategy	0x8252
GPU process crash count	0
gfx::BufferFormats supported for allocation and texturing	R_8: not supported, R_16: not supported, RG_88: not supported, RG_1616: not supported, BGR_565: not supported, RGBA_4444: not supported, RGBX_8888: not supported, RGBA_8888: not supported, BGRX_8888: not supported, BGRA_1010102: not supported, RGBA_1010102: not supported, BGRA_8888: not supported, RGBA_F16: not supported, YVU_420: not supported, YUV_420_BIPLANAR: not supported, P010: not supported
Compositor Information
Tile Update Mode	One-copy
Partial Raster	Enabled
GpuMemoryBuffers Status
R_8	Software only
R_16	Software only
RG_88	Software only
RG_1616	Software only
BGR_565	Software only
RGBA_4444	Software only
RGBX_8888	GPU_READ, SCANOUT
RGBA_8888	GPU_READ, SCANOUT
BGRX_8888	Software only
BGRA_1010102	Software only
RGBA_1010102	Software only
BGRA_8888	Software only
RGBA_F16	Software only
YVU_420	Software only
YUV_420_BIPLANAR	GPU_READ, SCANOUT
P010	Software only
Display(s) Information
Info	Display[2528732444] bounds=[0,0 1920x1080], workarea=[0,0 1920x1032], scale=1, rotation=0, panel_rotation=0 external.
Color space (sRGB/no-alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (sRGB/no-alpha)	BGRX_8888
Color space (sRGB/alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (sRGB/alpha)	BGRA_8888
Color space (WCG/no-alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (WCG/no-alpha)	BGRX_8888
Color space (WCG/alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (WCG/alpha)	BGRA_8888
Color space (HDR/no-alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (HDR/no-alpha)	BGRX_8888
Color space (HDR/alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (HDR/alpha)	BGRA_8888
SDR white level in nits	80
Bits per color component	8
Bits per pixel	24
Refresh Rate in Hz	60
Info	Display[2779098405] bounds=[1920,-577 1280x1024], workarea=[1920,-577 1280x976], scale=1, rotation=0, panel_rotation=0 external.
Color space (sRGB/no-alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (sRGB/no-alpha)	BGRX_8888
Color space (sRGB/alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (sRGB/alpha)	BGRA_8888
Color space (WCG/no-alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (WCG/no-alpha)	BGRX_8888
Color space (WCG/alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (WCG/alpha)	BGRA_8888
Color space (HDR/no-alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (HDR/no-alpha)	BGRX_8888
Color space (HDR/alpha)	{primaries:BT709, transfer:IEC61966_2_1, matrix:RGB, range:FULL}
Buffer format (HDR/alpha)	BGRA_8888
SDR white level in nits	80
Bits per color component	8
Bits per pixel	24
Refresh Rate in Hz	60
Video Acceleration Information
Decoding (VideoDecoder)	
Decode h264 baseline	64x64 to 4096x4096 pixels
Decode h264 main	64x64 to 4096x4096 pixels
Decode h264 high	64x64 to 4096x4096 pixels
Decode vp9 profile0	64x64 to 8192x8192 pixels
Decode vp9 profile2	64x64 to 8192x8192 pixels
Decoding (Legacy VideoDecodeAccelerator)	
Decode h264 baseline	64x64 to 4096x4096 pixels
Decode h264 main	64x64 to 4096x4096 pixels
Decode h264 high	64x64 to 4096x4096 pixels
Decode vp9 profile0	64x64 to 8192x8192 pixels
Decode vp9 profile2	64x64 to 8192x8192 pixels
Encoding	
Encode h264 baseline	0x0 to 1920x1088 pixels, and/or 30.000 fps
Encode h264 main	0x0 to 1920x1088 pixels, and/or 30.000 fps
Encode h264 high	0x0 to 1920x1088 pixels, and/or 30.000 fps
Vulkan Information
Device Performance Information
Total Physical Memory (Gb)	15
Total Disk Space (Gb)	222
Hardware Concurrency	12
System Commit Limit (Gb)	18
D3D11 Feature Level	12_1
Has Discrete GPU	yes
Software Rendering	No
Diagnostics
0
b3DAccelerationEnabled	true
b3DAccelerationExists	true
bAGPEnabled	true
bAGPExistenceValid	true
bAGPExists	true
bCanRenderWindow	true
bDDAccelerationEnabled	true
bDX12UEnabled	false
bDriverBeta	false
bDriverDebug	false
bDriverSigned	false
bDriverSignedValid	false
bNoHardware	false
dwBpp	32
dwDDIVersion	12
dwHeight	1080
dwRefreshRate	60
dwWHQLLevel	0
dwWidth	1920
iAdapter	0
lDriverSize	1057368
lMiniVddSize	0
szAGPStatusEnglish	Enabled
szAGPStatusLocalized	Ativado
szChipType	NVIDIA GeForce GTX 1650
szD3DStatusEnglish	Enabled
szD3DStatusLocalized	Ativado
szDACType	Integrated RAMDAC
szDDIVersionEnglish	12
szDDIVersionLocalized	12
szDDStatusEnglish	Enabled
szDDStatusLocalized	Ativado
szDX12UStatusEnglish	Disabled
szDX12UStatusLocalized	Desativado
szDXVAHDEnglish	Supported
szDXVAModes	
szDescription	NVIDIA GeForce GTX 1650
szDeviceId	0x1F82
szDeviceIdentifier	{D7B71E3E-5CC2-11CF-F577-2F330EC2D335}
szDeviceName	\\.\DISPLAY1
szDisplayMemoryEnglish	12122 MB
szDisplayMemoryLocalized	12122 MB
szDisplayModeEnglish	1920 x 1080 (32 bit) (60Hz)
szDisplayModeLocalized	1920 x 1080 (32 bit) (60Hz)
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szNotesLocalized	Não foram encontrados problemas.
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szTestResultD3D9Localized	Não executado
szTestResultDDEnglish	Not run
szTestResultDDLocalized	Não executado
szVdd	Desconhecido
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Log Messages
GpuProcessHost: The info collection GPU process exited normally. Everything is okay.
GpuProcessHost: The info collection GPU process exited normally. Everything is okay.

MEDIA USAGE
The text doesn't fit... here's the link.

rocheez

Hello @pafflick and thanks for the welcoming!

It appears I have found the culprit of this issue. I had already tried all the suggestions in the posts you linked, but after trying everything once again I realized the settings I was changing in the NVIDIA control panel weren't actually doing anything, so I tried reinstalling the driver once again and now they were working. And after I disabled v-sync, the stuttering stopped!

Thank you very much!

pafflick

Hello, @rocheez, and welcome to our community!

I've tried playing a couple of videos from your links, in full screen, 2x speed, skipping some parts using keyboard & seeking manually with the mouse. I haven't observed any stuttering or freezes whatsoever. Tested in Vivaldi 5.1.2567.57 (64-bit on Windows 10 ver. 21H2).

Did you try turning the hardware acceleration off? There were a couple of threads reporting similar issues recently, most of which turned out to be related to GPU drivers/settings. I'm linking them below - perhaps you'll find some more useful information:

rocheez

Hello @pafflick and thanks for the welcoming!

It appears I have found the culprit of this issue. I had already tried all the suggestions in the posts you linked, but after trying everything once again I realized the settings I was changing in the NVIDIA control panel weren't actually doing anything, so I tried reinstalling the driver once again and now they were working. And after I disabled v-sync, the stuttering stopped!

Thank you very much!

Vallades

I still have this issue when I enter fullscreen

Every other browser does not have the issue with Vsync enabled
And with it disabled I get tearing, not ideal to say the least

Cheers

DoctorG

@Vallades We not know which GSync/VSyc settings you use, and which GPU and drivers, and where the issue happens. Where at https://stoodi.com.br can i check your issue?

Vallades

@DoctorG

Not much to report

No gsync

Vsync Enabled or Use application (Witch I assume is enabled as its the same result)

Newest Nvidia but this also happened like 6 months ago when I last tried to switch to Vivaldi and ran into issues so its not a driver or version issue

As long as this issue gets put into the bug list
And I will help test when/if anyone needs me to

Sometimes even happens on a 4k60fps 1x video and a browser restart resolves the issue
So its an issue with Vsync compatibility

Ill do some more testing soon and report

Vallades

I think I determined the cause

On my entertainment monitor I auto switch between a custom 60hz and 47.954hz (24fps duplicate) automatically with my video player so that I dont have to drop frames or get repeats
Sometimes when exiting the player it doesnt swap back to 60hz

Regardless, other browsers dont run into this issue, even at 4k60 3.5x speed as Ive done for years

If you look ever look into the issue this is where the incompatibility is coming from

Thanks

DoctorG

@Vallades said in Video stutters while in full-screen at 2x speed:

4k60fps

With Vivaldi 6.8 i see framedrops at https://www.youtube.com/watch?v=LXb3EKWsInQ in fullscreen with 4K; with Chromium 127 little better, less drops, but stttering, too.
Seems to be my older NVidia.

Vallades

@DoctorG
Yeah it might not be handing it
You should not be getting drops or stuttering with any full sized gpu at 60fps though
try with vsync disabled to rule that out

3x and I get no dropping, just few at 3.5 higher but nothing noticeable
Not that Im displaying these frames on my 4k monitor but they do on my 240fps thats 1080p

DoctorG

@Vallades Can you test the video on Chrmium 127 for Windows if it is as without stutter?

Vallades

@DoctorG Its really stable at 4x
Only drops were entering and exiting fullscreen

Vallades

@DoctorG
Try Edge
Its the most windows compatible and fastest browser atm
Still chromium

DoctorG

Please report issue to Vivaldi bug tracker. Once that is done, share the bug number (beginning with VB-) you got by bug report mail.
Send them: in an attachment the text of page vivaldi://gpu
Thanks for helping us making Vivaldi better.

DoctorG

@Vallades And what happens if you change Settings → Appearance → Window Appearance → Disable "Use Animation"

But i guess that may not change much for you.

Vallades

@DoctorG

Will Do.

Says "Animations are disabled due to OS "Reduce motion" accessibility setting"
So its already disabled because of my reduced settings in windows Performance options window. I like my OS snappy

Whats your cpu/gpu?

Have you tried a DDU in safe mode and reinstall of graphics drivers recently?

Vallades

@DoctorG

If you have a low end PC its worth making sure everything is running its best

https://www.youtube.com/watch?v=PlACZ9Gp1xo
Idk if Im allowed to post videos here but
Freethy has tested everything properly and explains why doing everything well
Doesnt matter if youre not a gamer

Worth the time