1421315 - YouTube videos slowing down to 30fps at random intervals and durations

Status: RESOLVED WONTFIX

(Core :: Audio/Video: Playback, defect, P2)

Description

[Kamil]

Attachment: youtube slowdown bug.zip

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:58.0) Gecko/20100101 Firefox/58.0
Build ID: 20171123161455

Steps to reproduce:

1. Go to YouTube
2. Find a video available in 60 fps.
3. Have a watch.


Actual results:

The video plays fine most of the time, but after random amounts of time, the entire video player (including the video itself, and the controls) will visibly slow down to 30 fps - also confirmed thanks to the "layers.acceleration.draw-fps" option. YouTube's player does not show any dropped frame while this happens.


Expected results:

The video should have kept playing at 60 fps, as intended.

Comment 1

[Kamil]

Comment on attachment 8932533 [details]
youtube slowdown bug.zip

Includes:
- media information from web dev tools
- about:support info
- a link to the performance profile
- a video evidence of the issue in action

Comment 2

[Kamil]

"needinfo"?
Is there anything else I could/should provide to help with diagnosing the problem?

Comment 3

[amhijo]

I have this, and the video stays at 30 FPS for about 5 seconds and then reverts back to 60 FPS.

This happens to me most often with videos of this channel:

https://www.youtube.com/user/GamersNexus

I know it's not a problem in the videos themselves because I go back to the same part and it will then play fine at 60 FPS. It's also not a performance problem, as I have a Ryzen 7 and it happens exactly the same way as when I had my Sandy Bridge i5.

Comment 4

[Anthony Jones (:ajones, :kentuckyfriedtakahe, :k17e)]

Can you please provide the information from about:support ?

Comment 5

[Kilik Kuo [:kikuo] (inactive)]

about:support from the attached file.

Informacje o aplikacji
----------------------

Nazwa: Firefox
Wersja: 58.0b6
ID kompilacji: 20171123161455
Kanał aktualizacji: aurora
Identyfikator programu: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:58.0) Gecko/20100101 Firefox/58.0
System operacyjny: Windows_NT 10.0
Okna wieloprocesowe: 2/2 (włączone domyślnie)
Procesy treści sieciowych: 5/4
Stylo: content = true (domyślnie włączone), chrome = false (domyślnie wyłączone)
Klucz Google: Obecny
Klucz usługi lokalizacji Mozilli: Obecny
Tryb awaryjny: false

Zgłoszenia awarii z ostatnich 3 dni
-----------------------------------

Wszystkie zgłoszenia awarii

Wbudowane rozszerzenia programu Firefox Developer Edition
---------------------------------------------------------

Nazwa: Activity Stream
Wersja: 2017.11.03.1438-bf427ddd
ID: [e-mail]

Nazwa: Application Update Service Helper
Wersja: 2.0
ID: [e-mail]

Nazwa: Firefox Screenshots
Wersja: 19.2.0
ID: [e-mail]

Nazwa: Follow-on Search Telemetry
Wersja: 0.9.6
ID: [e-mail]

Nazwa: Form Autofill
Wersja: 1.0
ID: [e-mail]

Nazwa: Photon onboarding
Wersja: 1.0
ID: [e-mail]

Nazwa: Pocket
Wersja: 1.0.5
ID: [e-mail]

Nazwa: Shield Recipe Client
Wersja: 76.1
ID: [e-mail]

Nazwa: Web Compat
Wersja: 1.1
ID: [e-mail]

Nazwa: WebCompat Reporter
Wersja: 1.0.0
ID: [e-mail]

Rozszerzenia
------------

Nazwa: BetterTTV
Wersja: 7.0
Włączone: true
ID: [e-mail]

Nazwa: Gecko Profiler
Wersja: 0.17
Włączone: true
ID: [e-mail]

Nazwa: Grammarly for Firefox
Wersja: 8.802.1279
Włączone: true
ID: 87677a2c52b84ad3a151a4a72f5bd3c4@jetpack

Nazwa: Greasemonkey
Wersja: 4.0
Włączone: true
ID: {e4a8a97b-f2ed-450b-b12d-ee082ba24781}

Nazwa: LastPass: Free Password Manager
Wersja: 4.2.1.21
Włączone: true
ID: [e-mail]

Nazwa: Media Panel
Wersja: 1.2
Włączone: true
ID: {68d048f4-9449-4c97-8425-6dac7f743b14}

Nazwa: Reddit Enhancement Suite
Wersja: 5.8.6
Włączone: true
ID: jid1-xUfzOsOFlzSOXg@jetpack

Nazwa: Twitch 5
Wersja: 2017.11.20
Włączone: true
ID: twitch5@coolcmd

Nazwa: Twitch Now
Wersja: 1.1.201
Włączone: true
ID: jid1-jwVSihNsgAw5jA@jetpack

Nazwa: uBlock Origin
Wersja: 1.14.18
Włączone: true
ID: [e-mail]

Nazwa: Magic Actions for YouTube™
Wersja: 6.9.1.2
Włączone: false
ID: jid0-UVAeBCfd34Kk5usS8A1CBiobvM8@jetpack

Grafika
-------

Funkcje
Komponowanie: Direct3D 11 (Advanced Layers)
Asynchroniczne przewijanie/powiększanie: kółko; dotyk; pasek przewijania; klawiatura; automatyczne przewijanie
Informacje sterownika WebGL 1 WSI: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000ac1e) EGL_VERSION: 1.4 (ANGLE 2.1.0.db3422764a9b) EGL_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_EXT_device_query 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_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture_nv12 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_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_ANGLE_display_robust_resource_initialization
Renderer sterownika WebGL 1: Google Inc. -- ANGLE (Radeon (TM) RX 480 Graphics Direct3D11 vs_5_0 ps_5_0)
Wersja sterownika WebGL 1: OpenGL ES 2.0 (ANGLE 2.1.0.db3422764a9b)
Rozszerzenia sterownika WebGL 1: GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_robust_resource_initialization 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_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range 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_dxt1 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_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint 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_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object
Rozszerzenia WebGL 1: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_frag_depth EXT_sRGB EXT_shader_texture_lod EXT_texture_filter_anisotropic EXT_disjoint_timer_query OES_element_index_uint OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context
Informacje sterownika WebGL 2 WSI: EGL_VENDOR: Google Inc. (adapter LUID: 000000000000ac1e) EGL_VERSION: 1.4 (ANGLE 2.1.0.db3422764a9b) EGL_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_EXT_device_query 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_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture_nv12 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_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_ANGLE_display_robust_resource_initialization
Renderer sterownika WebGL 2: Google Inc. -- ANGLE (Radeon (TM) RX 480 Graphics Direct3D11 vs_5_0 ps_5_0)
Wersja sterownika WebGL 2: OpenGL ES 3.0 (ANGLE 2.1.0.db3422764a9b)
Rozszerzenia sterownika WebGL 2: GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_multiview GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_robust_resource_initialization 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_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_float GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range 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_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_norm16 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_EGL_image_external_essl3 GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint 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_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object
Rozszerzenia WebGL 2: EXT_color_buffer_float EXT_texture_filter_anisotropic EXT_disjoint_timer_query OES_texture_float_linear WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
Direct2D: true
Rysowanie poza głównym wątkiem: true
DirectWrite: true (10.0.16299.15)
GPU 1
Aktywna: Tak
Opis: Radeon (TM) RX 480 Graphics
ID dostawcy: 0x1002
ID urządzenia: 0x67df
Wersja sterownika: 23.20.788.0
Data sterownika: 11-2-2017
Sterowniki: aticfx64 aticfx64 aticfx64 amdxc64 aticfx32 aticfx32 aticfx32 amdxc32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64
ID podsystemu: 00000000
RAM: 4096

Diagnostyka
Parametry ClearType: DISPLAY1 [ Gamma: 2,2 Pixel Structure: RGB ClearType Level: 50 Enhanced Contrast: 100 ] DISPLAY2 [ Gamma: 2,2 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 100 ]
AzureCanvasAccelerated: 0
AzureCanvasBackend: Direct2D 1.1
AzureCanvasBackend (UI Process): skia
AzureContentBackend: Direct2D 1.1
AzureContentBackend (UI Process): skia
AzureFallbackCanvasBackend (UI Process): cairo
GPUProcessPid: 10188
GPUProcess: Zakończ proces GPU
Device Reset: Resetuj urządzenie
Parametry ClearType: DISPLAY1 [ Gamma: 2,2 Pixel Structure: RGB ClearType Level: 50 Enhanced Contrast: 100 ] DISPLAY2 [ Gamma: 2,2 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 100 ]
failures: CP+[GFX1-]: [D2D1.1] 4CreateBitmap failure Size(32,24914) Code: 0x80070057 format 0
Decyzje
WEBRENDER:
opt-in by default: WebRender is an opt-in feature
unavailable by runtime: Build doesn't include WebRender


Dziennik niepowodzeń
(#0): CP+[GFX1-]: [D2D1.1] 4CreateBitmap failure Size(32,24914) Code: 0x80070057 format 0
(#1): CP+[GFX1-]: [D2D1.1] 4CreateBitmap failure Size(32,24914) Code: 0x80070057 format 0
(#2): CP+[GFX1-]: [D2D1.1] 4CreateBitmap failure Size(32,24914) Code: 0x80070057 format 0

Media
-----

Mechanizm dźwięku: wasapi
Maksymalna liczba kanałów: 2
Preferowany układ kanałów: stereo
Preferowana częstotliwość próbkowania: 96000
Urządzenia wyjściowe
Nazwa: Grupa
Realtek Digital Output (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
:
SPDIF Out (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
Głośniki (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
3 - Digital Display Audio (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
4 - Digital Display Audio (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
5 - Digital Display Audio (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
Wtyczka do wewnętrznego złącza AUX (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
1 - Digital Display Audio (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
2 - Digital Display Audio (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
CAL! (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
6 - Digital Display Audio (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
Głośniki (C-Media USB Audio Device ): USB\VID_0D8C&PID_000C&MI_00\7&378b4f&0&0000
VAC (Virtual Audio Cable): ROOT\MEDIA\0000
Urządzenia wejściowe
Nazwa: Grupa
:
Subwoofer (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Mikrofon (C-Media USB Audio Device ): USB\VID_0D8C&PID_000C&MI_00\7&378b4f&0&0000
Wtyczka do wewnętrznego złącza AUX (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
Wtyczka do wewnętrznego złącza AUX (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
"What U Hear" (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
Rear (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Line-In (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
Center (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Mikrofon (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Auxiliary (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
Wtyczka do wewnętrznego złącza AUX (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
Wtyczka do wewnętrznego złącza AUX (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
Line-In (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
Mikrofon (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Wtyczka do wewnętrznego złącza AUX (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
S/PDIF-In (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
Miks stereo (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
VAC (Virtual Audio Cable): ROOT\MEDIA\0000
Wtyczka do wewnętrznego złącza AUX (AMD High Definition Audio Device): HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1007\5&eaa2ec8&1&0001
Side (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
FrontMic (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Mikrofon Integra Przód (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Wejście liniowe (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
S/PDIF-In (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
Mic 1 (Virtual Audio Cable): ROOT\MEDIA\0000
Line-In (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Microphone (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
S/PDIF 1 (Virtual Audio Cable): ROOT\MEDIA\0000
Microphone (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7
Front (Realtek High Definition Audio): HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_18490892&REV_1003\4&2a0685c6&0&0001
Auxiliary (Creative SB X-Fi): PCI\VEN_1102&DEV_0005&SUBSYS_00291102&REV_00\5&31bb8307&0&0800E7

Ważne zmodyfikowane ustawienia
------------------------------

accessibility.typeaheadfind.flashBar: 0
browser.cache.disk.capacity: 358400
browser.cache.disk.filesystem_reported: 1
browser.cache.disk.smart_size.first_run: false
browser.cache.frecency_experiment: 1
browser.download.manager.alertOnEXEOpen: true
browser.places.smartBookmarksVersion: 8
browser.sessionstore.upgradeBackup.latestBuildID: 20171123161455
browser.startup.homepage_override.buildID: 20171123161455
browser.startup.homepage_override.mstone: 58.0
browser.urlbar.lastSuggestionsPromptDate: 20171114
browser.urlbar.timesBeforeHidingSuggestionsHint: 0
dom.push.userAgentID: b2c1047c95094ea59c6d5ec545018057
extensions.lastAppVersion: 58.0
layers.acceleration.draw-fps: true
layers.mlgpu.sanity-test-failed: false
media.benchmark.vp9.fps: 201
media.benchmark.vp9.versioncheck: 3
media.gmp-gmpopenh264.abi: x86_64-msvc-x64
media.gmp-gmpopenh264.lastUpdate: 1510674664
media.gmp-gmpopenh264.version: 1.7.1
media.gmp-manager.buildID: 20171123161455
media.gmp-manager.lastCheck: 1511805467
media.gmp-widevinecdm.abi: x86_64-msvc-x64
media.gmp-widevinecdm.lastUpdate: 1506565866
media.gmp-widevinecdm.version: 1.4.8.1008
media.gmp.storage.version.observed: 1
media.hardware-video-decoding.failed: false
media.navigator.video.default_fps: 60
network.cookie.prefsMigrated: true
network.dns.disablePrefetch: true
network.http.speculative-parallel-limit: 0
network.predictor.cleaned-up: true
network.predictor.enabled: false
network.prefetch-next: false
places.database.lastMaintenance: 1511368476
places.history.expiration.transient_current_max_pages: 98261
plugin.disable_full_page_plugin_for_types: application/pdf
security.sandbox.content.tempDirSuffix: {4f63ad8e-545e-47ae-a8e5-715470544297}
services.sync.declinedEngines:
services.sync.engine.bookmarks.validation.lastTime: 1511805408
services.sync.engine.prefs.modified: false
services.sync.lastPing: 1511883241
services.sync.lastSync: Tue Nov 28 2017 17:09:27 GMT+0100
storage.vacuum.last.index: 1
storage.vacuum.last.places.sqlite: 1510675593
ui.osk.debug.keyboardDisplayReason: IKPOS: Keyboard presence confirmed.

Ważne zablokowane ustawienia
----------------------------

Baza danych „Places”
--------------------

JavaScript
----------

Przyrostowy GC: true

Ułatwienia dostępu
------------------

Aktywne: false
Zablokuj ułatwienia dostępu: 0
Aktywna obsługa dostępności: true
Aktywator:

Wersje bibliotek
----------------

NSPR
Oczekiwana wersja minimalna: 4.17
Wersja w użyciu: 4.17

NSS
Oczekiwana wersja minimalna: 3.34
Wersja w użyciu: 3.34

NSSSMIME
Oczekiwana wersja minimalna: 3.34
Wersja w użyciu: 3.34

NSSSSL
Oczekiwana wersja minimalna: 3.34
Wersja w użyciu: 3.34

NSSUTIL
Oczekiwana wersja minimalna: 3.34
Wersja w użyciu: 3.34

Eksperymenty
------------

Piaskownica
-----------

Poziom separacji treści: 4
Efektywny poziom separacji treści: 4

Internationalization & Localization
-----------------------------------

Application Settings
Requested Locales: ["pl","en-US"]
Available Locales: ["pl"]
App Locales: ["pl"]
Regional Preferences: ["pl-PL"]
Default Locale: "pl"
Operating System
System Locales: ["pl-PL"]
Regional Preferences: ["pl-PL"]

Comment 6

[Kilik Kuo [:kikuo] (inactive)]

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  ],
  "features": [
    {
      "name": "Activity Stream",
      "version": "2017.11.03.1438-bf427ddd",
      "id": "[e-mail]"
    },
    {
      "name": "Application Update Service Helper",
      "version": "2.0",
      "id": "[e-mail]"
    },
    {
      "name": "Firefox Screenshots",
      "version": "19.2.0",
      "id": "[e-mail]"
    },
    {
      "name": "Follow-on Search Telemetry",
      "version": "0.9.6",
      "id": "[e-mail]"
    },
    {
      "name": "Form Autofill",
      "version": "1.0",
      "id": "[e-mail]"
    },
    {
      "name": "Photon onboarding",
      "version": "1.0",
      "id": "[e-mail]"
    },
    {
      "name": "Pocket",
      "version": "1.0.5",
      "id": "[e-mail]"
    },
    {
      "name": "Shield Recipe Client",
      "version": "76.1",
      "id": "[e-mail]"
    },
    {
      "name": "Web Compat",
      "version": "1.1",
      "id": "[e-mail]"
    },
    {
      "name": "WebCompat Reporter",
      "version": "1.0.0",
      "id": "[e-mail]"
    }
  ]
}

Comment 7

[Kilik Kuo [:kikuo] (inactive)]

I saw this issue occasionally on NV platform too (57 release & 59 nightly).
But haven't reproduced it with my local-built nightly (with log added) yet ...

Comment 8

[Kilik Kuo [:kikuo] (inactive)]

It's weird, I cannot reproduce it in recent days.  Not sure whether it's an issue about getting wrong muxed(30fps) data from Youtube and the statistic doesn't reflect correctly.
Though sometimes FPS may drop to about 50 and mDroppedImageCount [2] increases which indicates that frames are dropped by compositor.

[1] https://searchfox.org/mozilla-central/rev/f5f1c3f294f89cfd242c3af9eb2c40d19d5e04e7/gfx/layers/ImageContainer.cpp#446


Kamil,
Can you still see this issue ?

Comment 9

[Kamil]

I'm currently trying out Linux on a daily basis, once I finish, I'll report back with the info about whether or not the issue is still present on both systems.

Comment 10

[Kamil]

Data from today: on Windows, the issue still persists. On Ubuntu 17.10 however (on the very same computer), after watching YouTube for a few days it didn't happen once.

The issue also applies to YouTube streams.

Comment 11

[jhone]

Poor internet connection or network congestion can lead to buffering and decreased video https://topfollowapkapp.com/ quality. Ensure that you have a stable and high-speed internet connection. You can test your internet speed using online tools or apps and consider upgrading your internet plan if necessary.

Comment 12

[Kamil]

Great input, thanks.
No one cares about this bug I completely forgot about, so I'll just close this.