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Netflix & Amazon Prime Video, at fullscreen, jump between various crop/zoom levels
Reported by
eofferm...@gmail.com,
Jan 30 2018
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 Example URL: https://www.amazon.com/Suits-Pilot/dp/B005544V6A Steps to reproduce the problem: 1. Play video 2. Watch as video switches to peculiar crops What is the expected behavior? Video to play at a consistent aspect ratio and uncropped. What went wrong? In the last few days (likely beginning with the update to 64.0.3282) the video rectangle will change periodically during playback. It seems to coincide with scene changes - I don't *think* I've seen it do it mid-cut, though because of how dramatic the crops can be, it's hard to tell. Sometimes it will be letterboxed at 1.85:1 and bounce to fullscreen 16:9 and then back. At other times, it will suddenly punch in, grabbing a center crop, then pop back to normal framing. It happens frequently or infrequently, but seems to be repeatable at the same locations in a stream. Playing the same stream on Safari and Chrome version 63.0.3239.132 (on Windows) and the videos play as expected on both. Did this work before? Yes 63.0.3239 Is it a problem with Flash or HTML5? HTML5 Does this work in other browsers? Yes Chrome version: 64.0.3282 Channel: stable OS Version: 10.13.2 Flash Version: 28.0.0.137 Contents of chrome://gpu: Graphics Feature Status Canvas: Hardware accelerated CheckerImaging: Disabled Flash: Hardware accelerated Flash Stage3D: Hardware accelerated Flash Stage3D Baseline profile: Hardware accelerated Compositing: Hardware accelerated Multiple Raster Threads: Enabled Native GpuMemoryBuffers: Hardware accelerated Rasterization: Hardware accelerated Video Decode: Hardware accelerated WebGL: Hardware accelerated WebGL2: Hardware accelerated Driver Bug Workarounds add_and_true_to_loop_condition adjust_src_dst_region_for_blitframebuffer decode_encode_srgb_for_generatemipmap disable_framebuffer_cmaa disable_webgl_rgb_multisampling_usage emulate_abs_int_function get_frag_data_info_bug init_two_cube_map_levels_before_copyteximage msaa_is_slow pack_parameters_workaround_with_pack_buffer rebind_transform_feedback_before_resume regenerate_struct_names remove_invariant_and_centroid_for_essl3 reset_teximage2d_base_level rewrite_texelfetchoffset_to_texelfetch scalarize_vec_and_mat_constructor_args set_zero_level_before_generating_mipmap unfold_short_circuit_as_ternary_operation unpack_alignment_workaround_with_unpack_buffer unpack_image_height_workaround_with_unpack_buffer use_intermediary_for_copy_texture_image use_unused_standard_shared_blocks Problems Detected Unfold short circuit on Mac OS X: 307751 Applied Workarounds: unfold_short_circuit_as_ternary_operation Always rewrite vec/mat constructors to be consistent: 398694 Applied Workarounds: scalarize_vec_and_mat_constructor_args Mac drivers handle struct scopes incorrectly: 403957 Applied Workarounds: regenerate_struct_names On Intel GPUs MSAA performance is not acceptable for GPU rasterization: 527565 Applied Workarounds: msaa_is_slow glGenerateMipmap fails if the zero texture level is not set on some Mac drivers: 560499 Applied Workarounds: set_zero_level_before_generating_mipmap Pack parameters work incorrectly with pack buffer bound: 563714 Applied Workarounds: pack_parameters_workaround_with_pack_buffer Alignment works incorrectly with unpack buffer bound: 563714 Applied Workarounds: unpack_alignment_workaround_with_unpack_buffer copyTexImage2D fails when reading from IOSurface on multiple GPU types.: 581777 Applied Workarounds: use_intermediary_for_copy_texture_image Multisample renderbuffers with format GL_RGB8 have performance issues on Intel GPUs.: 607130 Applied Workarounds: disable_webgl_rgb_multisampling_usage Use GL_INTEL_framebuffer_CMAA on ChromeOS: 535198 Applied Workarounds: disable_framebuffer_cmaa glGetFragData{Location|Index} works incorrectly on Max: 638340 Applied Workarounds: get_frag_data_info_bug glResumeTransformFeedback works incorrectly on Intel GPUs: 638514 Applied Workarounds: rebind_transform_feedback_before_resume Result of abs(i) where i is an integer in vertex shader is wrong: 642227 Applied Workarounds: emulate_abs_int_function Rewrite texelFetchOffset to texelFetch for Intel Mac: 642605 Applied Workarounds: rewrite_texelfetchoffset_to_texelfetch Rewrite condition in for and while loops for Intel Mac: 644669 Applied Workarounds: add_and_true_to_loop_condition Decode and encode before generateMipmap for srgb format textures on macosx: 634519 Applied Workarounds: decode_encode_srgb_for_generatemipmap Init first two levels before CopyTexImage2D for cube map texture on Intel Mac 10.12: 648197 Applied Workarounds: init_two_cube_map_levels_before_copyteximage Insert statements to reference all members in unused std140/shared blocks on Mac: 618464 Applied Workarounds: use_unused_standard_shared_blocks Tex(Sub)Image3D performs incorrectly when uploading from unpack buffer with GL_UNPACK_IMAGE_HEIGHT greater than zero on Intel Macs: 654258 Applied Workarounds: unpack_image_height_workaround_with_unpack_buffer adjust src/dst region if blitting pixels outside read framebuffer on Mac: 644740 Applied Workarounds: adjust_src_dst_region_for_blitframebuffer Mac driver GL 4.1 requires invariant and centroid to match between shaders: 639760, 641129 Applied Workarounds: remove_invariant_and_centroid_for_essl3 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) Reset TexImage2D base level to 0 on Intel Mac 10.12.4: 705865 Applied Workarounds: reset_teximage2d_base_level Checker-imaging has been disabled via finch trial or the command line. Disabled Features: checker_imaging Version Information Data exported 1/29/2018, 9:58:41 PM Chrome version Chrome/64.0.3282.119 Operating system Mac OS X 10.13.2 Software rendering list URL https://chromium.googlesource.com/chromium/src/+/5e944b2d79bce5f96dc35a05a76b03d65a6e9a0a/gpu/config/software_rendering_list.json Driver bug list URL https://chromium.googlesource.com/chromium/src/+/5e944b2d79bce5f96dc35a05a76b03d65a6e9a0a/gpu/config/gpu_driver_bug_list.json ANGLE commit id 2987f0fde973 2D graphics backend Skia/64 713571f9afcf4b673812cd3b52bb5b17c107038b- Command Line /Applications/Google Chrome.app/Contents/MacOS/Google Chrome --flag-switches-begin --flag-switches-end Driver Information Initialization time 202 In-process GPU false Passthrough Command Decoder false Supports overlays false Sandboxed true GPU0 VENDOR = 0x8086, DEVICE= 0x0166 *ACTIVE* Optimus false Optimus false AMD switchable false Driver vendor Driver version 10.30.12 Driver date Pixel shader version 4.10 Vertex shader version 4.10 Max. MSAA samples 8 Machine model name Macmini Machine model version 6.1 GL_VENDOR Intel Inc. GL_RENDERER Intel HD Graphics 4000 OpenGL Engine GL_VERSION 4.1 INTEL-10.30.12 GL_EXTENSIONS GL_ARB_blend_func_extended GL_ARB_draw_buffers_blend GL_ARB_draw_indirect GL_ARB_ES2_compatibility GL_ARB_explicit_attrib_location GL_ARB_gpu_shader_fp64 GL_ARB_gpu_shader5 GL_ARB_instanced_arrays GL_ARB_internalformat_query GL_ARB_occlusion_query2 GL_ARB_sample_shading GL_ARB_sampler_objects GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding GL_ARB_shader_subroutine GL_ARB_shading_language_include GL_ARB_tessellation_shader GL_ARB_texture_buffer_object_rgb32 GL_ARB_texture_cube_map_array GL_ARB_texture_gather GL_ARB_texture_query_lod GL_ARB_texture_rgb10_a2ui GL_ARB_texture_storage GL_ARB_texture_swizzle GL_ARB_timer_query GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 GL_ARB_vertex_attrib_64bit GL_ARB_vertex_type_2_10_10_10_rev GL_ARB_viewport_array GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_texture_compression_s3tc GL_EXT_texture_filter_anisotropic GL_EXT_texture_sRGB_decode GL_APPLE_client_storage GL_APPLE_container_object_shareable GL_APPLE_flush_render GL_APPLE_object_purgeable GL_APPLE_rgb_422 GL_APPLE_row_bytes GL_APPLE_texture_range GL_ATI_texture_mirror_once GL_NV_texture_barrier Disabled Extensions GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent Window system binding vendor Window system binding version Window system binding extensions Direct rendering Yes Reset notification strategy 0x0000 GPU process crash count 0 Compositor Information Tile Update Mode Zero-copy Partial Raster Enabled GpuMemoryBuffers Status ATC Software only ATCIA Software only DXT1 Software only DXT5 Software only ETC1 Software only R_8 GPU_READ, SCANOUT, GPU_READ_CPU_READ_WRITE, GPU_READ_CPU_READ_WRITE_PERSISTENT R_16 Software only RG_88 Software only BGR_565 Software only RGBA_4444 Software only RGBX_8888 Software only RGBA_8888 GPU_READ, SCANOUT, SCANOUT_CPU_READ_WRITE BGRX_8888 GPU_READ, SCANOUT, SCANOUT_CPU_READ_WRITE BGRX_1010102 Software only BGRA_8888 GPU_READ, SCANOUT, SCANOUT_CPU_READ_WRITE, GPU_READ_CPU_READ_WRITE, GPU_READ_CPU_READ_WRITE_PERSISTENT RGBA_F16 GPU_READ, SCANOUT, GPU_READ_CPU_READ_WRITE, GPU_READ_CPU_READ_WRITE_PERSISTENT YVU_420 Software only YUV_420_BIPLANAR GPU_READ, SCANOUT, GPU_READ_CPU_READ_WRITE, GPU_READ_CPU_READ_WRITE_PERSISTENT UYVY_422 GPU_READ, SCANOUT, GPU_READ_CPU_READ_WRITE, GPU_READ_CPU_READ_WRITE_PERSISTENT Display(s) Information Info Display[1951418578] bounds=0,0 1920x1080, workarea=0,23 1920x1057, scale=1, external Color space information {primaries:[[0.4361,0.3851,0.1430,],[0.2232,0.7177,0.0595,],[0.0139,0.0968,0.7141,],], transfer:0.0000*x + 0.0000 if x < 0.0000 else (1.0000*x + 0.0000)**1.9610 + 0.0000, matrix:RGB, range:FULL} Bits per color component 8 Bits per pixel 24 Video Acceleration Information Decode h264 baseline up to 4096x2160 pixels Decode h264 extended up to 4096x2160 pixels Decode h264 main up to 4096x2160 pixels Decode h264 high up to 4096x2160 pixels Encode h264 baseline up to 4096x2160 pixels and/or 30.000 fps Encode h264 main up to 4096x2160 pixels and/or 30.000 fps Encode h264 high up to 4096x2160 pixels and/or 30.000 fps
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Jan 30 2018
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Jan 30 2018
@eoffermann : I tried to repro this on my mac using M64 stable and couldn't repro it. Fullscreen stayed same letterboxed aspect ratio, and outside of changing resolution (increasing to HD), playback was unchanged for 10min I watched. I'll try different titles, but when you saw this issue how long did it take to repro and does it do so consistently?
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Jan 30 2018
On that particular stream it took place during the opening scenes which is why I singled out that particular one. On other videos it takes place at other places throughout the stream and may not show up for some time. When it occurs, it has been very consistent. Leaving the page and returning, even quitting Chrome and relaunching, it would recur consistently in what would appear to be the same moments in the stream. I’ll test with the developer console up later and see if there’s anything more illuminating. I’ll also try doing a fresh install of Chrome at that time and report back. I don’t know for certain that it’s not doing it on other sites - but I’m fairly certain I’ve watched Hulu on that machine, with that version of Chrome, and haven’t seen the problem. Same goes for watching something from my Plex server. Not sure if that’s helpful or not.
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Jan 31 2018
After reinstalling, the problem hasn't recurred. Considering that "playing video on Netflix and Amazon Prime" are not edge-case behaviors, I'd expect to see a flood of similar reports soon if this represents a widespread bug. Otherwise, can probably be dismissed as a corrupted file somewhere.
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Jan 31 2018
Unable to reproduce the issue on chrome version 64.0.3282.119 using Mac 10.13.1 with steps mentioned below: 1) Launched chrome reported version and navigated to URL https://www.amazon.com/Suits-Pilot/dp/B005544V6A 2) Unable to play the video (Please find the attached screenshot 807176.png) We tried playing another video from Amazon prime videos, unable to reproduce the issue, we tried playing for around 10 min. URL: https://www.amazon.com/dp/B078RT775M?ref=spks_0_0_3501943302&qid=1517382196&pf_rd_p=3501943302&pf_rd_m=ATVPDKIKX0DER&pf_rd_t=301&pf_rd_s=desktop-auto-sparkle&pf_rd_r=ZD8XP22R97WPZYCMWA6P&pf_rd_i=breathe @Reporter: Please find the attached screencast for your reference and let us know if we missed anything in reproducing the issue. Try to test this issue by creating new profile with no extensions and apps in it and let us know if the issue still persists. Thanks!
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Jan 31 2018
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Feb 12 2018
Are you watching with captions? If so, is it possible that the changes happen when the captions disappear? This could be triggered by low power fullscreen. Either way, is there a chance you could share a video?
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Feb 12 2018
Not watching with captions. It's now been about a week since it last happened - it was very persistent until it wasn't. I'd have to check that machine to see if Chrome updated on it - I know there was a minor release Feb 1 that seems to have a bit of fullscreen code fixes in it. This problem wasn't considered in the release notes, but may have addressed an underlying cause accidentally. Either way, I can no longer reproduce it either - so I'd consider the problem resolved unless others report issues as well. Eddie Offermann Creative Technology Director Software Architect [image: cell_icon.png] (407) 222-6590 [image: phone_icon.png] (323) 638-4VFX [image: fax_icon.png] (215) 565-3799 [image: linkedin64.png] [image: facebook64.png] <https://www.facebook.com/EddieOffermannPublic> [image: twitter64-1.png] <https://twitter.com/BigBlueCeiling>
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Feb 12 2018
Thank you for providing more feedback. Adding requester "sc00335628@techmahindra.com" to the cc list and removing "Needs-Feedback" label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Feb 13 2018
As per the comment#9 from the reporter, as the issue is no longer reproducible, hence closing this and marking it as won't fix. Removing Needs-Bisect label as the issue is not reproducible from reporters end. @Reporter: Feel free to raise a new issue if you reproduce the issue again. Thanks! |
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Comment 1 by krajshree@chromium.org
, Jan 30 2018