Replay Video going blank #2552

techieasif · 2025-01-07T10:25:05Z

Platform

Flutter Mobile Android, Flutter Mobile iOS

Obfuscation

Disabled

Debug Info

Enabled

Doctor

Checking out session replay on our application on flutter_sentry 8.12 sdk version:
configuration:
///Sentry replay experimental
options.experimental.replay.sessionSampleRate = 1.0;
options.experimental.replay.onErrorSampleRate = 1.0;
options.attachScreenshot = true;
options.attachViewHierarchy = true;
options.enableTimeToFullDisplayTracing = true;
options.experimental.privacy.maskAllImages = false;
options.experimental.privacy.maskAllText = false;
options.experimental.privacy.maskAssetImages = false;

Session was recorded, but the video uploaded was blank, on both devices android and ios.

Version

8.12.0

Steps to Reproduce

Run app with shared configuration v8.12

Expected Result

Video should have captured screens and activity.

Actual Result

Are you willing to submit a PR?

None

vaind · 2025-01-07T12:25:25Z

Have you tried checking debug logs if there's something pointing what could be wrong? https://docs.sentry.io/platforms/flutter/configuration/options/#debug

techieasif · 2025-01-08T13:04:30Z

I have attached detailed logs here https://gist.github.com/techieasif/1374ac4cb345d1ab63db31862535461b @vaind , please have a look:

If needed, we can connect to debug this, we are using sentry for error tracking, we are trying to get replay working for us.

vaind · 2025-01-08T14:07:17Z

Thanks for the logs. To me, it looks like the SentryWidget (it enables us to capture replays) is not present in the app. Could you verify? See https://docs.sentry.io/platforms/flutter/enriching-events/screenshots/#enabling-screenshots

techieasif · 2025-01-09T07:23:42Z

Thanks for pointing out the docs @vaind , We are now able to get screenshots and replays every time. but the Video blank issue is still there, I have tested on both Android and IOS. On both platforms replays are going blank.

BTW Screenshot has actual image.

Are there any permissions needed? to make it work?

Few more logs might help you:

[sentry] [warning] ReplayRecorder #2: Widget "_MarkerStack<LineChartPointData, double>" name matches widgets that should usually be masked because they may contain sensitive data. Because this widget comes from a third-party plugin or your code, Sentry doesn't recognize it and can't reliably mask it in release builds (due to obfuscation). Please mask it explicitly using options.experimental.privacy.mask<_MarkerStack<LineChartPointData, double>>(). If you want to silence this warning and keep the widget visible in captures, you can use options.experimental.privacy.unmask<_MarkerStack<LineChartPointData, double>>(). Note: the RegExp matched is: RegExp: pattern=video|webview|password|pinput|camera|chart flags=i (case insensitive).
[sentry] [debug] WidgetFilter skipping invisible: Visibility(hidden, maintainState, maintainAnimation, maintainSize, maintainSemantics, maintainInteractivity)
[sentry] [debug] WidgetFilter skipping invisible: Visibility(hidden, maintainState, maintainAnimation, maintainSize, maintainSemantics, maintainInteractivity)
[sentry] [warning] ReplayRecorder #2: Widget "LineCandleChart-[<'/c/Solana/FKxv3RZ1KJr7GSbEUNNu5HwjjB4R134tEG4vGq7Tpump'>]" name matches widgets that should usually be masked because they may contain sensitive data. Because this widget comes from a third-party plugin or your code, Sentry doesn't recognize it and can't reliably mask it in release builds (due to obfuscation). Please mask it explicitly using options.experimental.privacy.mask<LineCandleChart>(). If you want to silence this warning and keep the widget visible in captures, you can use options.experimental.privacy.unmask<LineCandleChart>(). Note: the RegExp matched is: RegExp: pattern=video|webview|password|pinput|camera|chart flags=i (case insensitive).

[sentry] [debug] ReplayRecorder #2: saving new screenshot to /data/user/0/com.app/cache/sentry/496b4c4f55e88ea1e793cfff6b3a198578b261a0/replay_066bdc8592db417da61f1796b997b4e5/1736404859990.png (414x896 pixels, 98599 bytes)

D/ReflectedParamUpdater(17396): extent() != 1 for single value type: algo.buffers.max-count.values
D/ReflectedParamUpdater(17396): extent() != 1 for single value type: output.subscribed-indices.values
D/ReflectedParamUpdater(17396): extent() != 1 for single value type: input.buffers.allocator-ids.values
D/ReflectedParamUpdater(17396): extent() != 1 for single value type: output.buffers.allocator-ids.values
D/ReflectedParamUpdater(17396): extent() != 1 for single value type: algo.buffers.allocator-ids.values
D/ReflectedParamUpdater(17396): extent() != 1 for single value type: output.buffers.pool-ids.values
[sentry] [debug] WidgetFilter skipping invisible: Visibility(hidden, maintainState, maintainAnimation, maintainSize, maintainSemantics, maintainInteractivity)
D/ReflectedParamUpdater(17396): extent() != 1 for single value type: algo.buffers.pool-ids.values
D/ReflectedParamUpdater(17396): ignored struct field coding.gop.values
D/ReflectedParamUpdater(17396): ignored struct field coding.qp.values
D/CCodecConfig(17396): ignoring local param raw.color (0xc2001809) as it is already supported
I/CCodecConfig(17396): query failed after returning 13 values (BAD_INDEX)
D/CCodecConfig(17396): c2 config diff is Dict {
D/CCodecConfig(17396):   c2::u32 algo.bitrate-mode.value = 3
D/CCodecConfig(17396):   c2::i32 coded.average-qp.value = 0
D/CCodecConfig(17396):   c2::u32 coded.bitrate.value = 64000
[sentry] [debug] WidgetFilter skipping invisible: Visibility(hidden, maintainState, maintainAnimation, maintainSize, maintainSemantics, maintainInteractivity)
D/CCodecConfig(17396):   c2::float coded.frame-rate.value = 1
D/CCodecConfig(17396):   c2::u32 coded.picture-type.value = 0
D/CCodecConfig(17396):   c2::u32 coded.pl.level = 20492
D/CCodecConfig(17396):   c2::u32 coded.pl.profile = 20481
D/CCodecConfig(17396):   c2::u32 coded.vui.color.matrix = 0

D/Sentry  (17396): Capturing session replay: 066bdc8592db417da61f1796b997b4e5

D/Sentry  (17396): Adding Envelope to offline storage: /data/user/0/com./cache/sentry/496b4c4f55e88ea1e793cfff6b3a198578b261a0/41b7c518-34ff-41f4-8acb-11af419dcdf5.envelope
D/Sentry  (17396): Serializing object: {
D/Sentry  (17396): 	"type": "replay_event",
D/Sentry  (17396): 	"replay_type": "session",
D/Sentry  (17396): 	"segment_id": 0,
D/Sentry  (17396): 	"timestamp": "2025-01-09T06:41:00.338Z",
D/Sentry  (17396): 	"replay_id": "066bdc8592db417da61f1796b997b4e5",
D/Sentry  (17396): 	"replay_start_timestamp": "2025-01-09T06:40:55.338Z",
D/Sentry  (17396): 	"urls": [],
D/Sentry  (17396): 	"error_ids": [],
D/Sentry  (17396): 	"trace_ids": [],
D/Sentry  (17396): 	"event_id": "066bdc8592db417da61f1796b997b4e5",
D/Sentry  (17396): 	"contexts": {
D/Sentry  (17396): 		"app": {
D/Sentry  (17396): 			"app_identifier": "com.app",
D/Sentry  (17396): 			"app_name": "app",
D/Sentry  (17396): 			"app_version": "4.0.8",
D/Sentry  (17396): 			"app_build": "3801",
D/Sentry  (17396): 			"permissions": {
D/Sentry  (17396): 				"AD_ID": "granted",
D/Sentry  (17396): 				"INTERNET": "granted",
D/Sentry  (17396): 				"POST_NOTIFICATIONS": "granted",
D/Sentry  (17396): 				"READ_MEDIA_IMAGES": "not_granted",
D/Sentry  (17396): 				"CAMERA": "granted",
D/Sentry  (17396): 				"READ_MEDIA_VISUAL_USER_SELECTED": "not_granted",
D/Sentry  (17396): 				"BIND_GET_INSTALL_REFERRER_SERVICE": "granted",
D/Sentry  (17396): 				"ACCESS_ADSERVICES_AD_ID": "granted",
D/Sentry  (17396): 				"RECEIVE": "granted",
D/Sentry  (17396): 				"DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION": "granted",
D/Sentry  (17396): 				"ACCESS_NETWORK_STATE": "granted",
D/Sentry  (17396): 				"ACCESS_ADSERVICES_ATTRIBUTION": "granted",
D/Sentry  (17396): 				"READ_MEDIA_VIDEO": "not_granted",
D/Sentry  (17396): 				"WAKE_LOCK": "granted",
D/Sentry  (17396): 				"USE_FINGERPRINT": "granted",
D/Sentry  (17396): 				"VIBRATE": "granted",
D/Sentry  (17396): 				"READ_MEDIA_AUDIO": "not_granted",
D/Sentry  (17396): 				"USE_FULL_SCREEN_INTENT": "granted",
D/Sentry  (17396): 				"USE_BIOMETRIC": "granted"
D/Sentry  (17396): 			},
D/Sentry  (17396): 			"in_foreground": true
D/Sentry  (17396): 		},
D/Sentry  (17396): 		"device": {
D/Sentry  (17396): 			"manufacturer": "Google",
D/Sentry  (17396): 			"brand": "google",
D/Sentry  (17396): 			"family": "Pixel",
D/Sentry  (17396): 			"model": "Pixel 7",
D/Sentry  (17396): 			"model_id": "BP11.241121.010",
D/Sentry  (17396): 			"archs": [
D/Sentry  (17396): 				"arm64-v8a"
D/Sentry  (17396): 			],
D/Sentry  (17396): 			"orientation": "portrait",
D/Sentry  (17396): 			"simulator": false,
D/Sentry  (17396): 			"memory_size": 7811391488,
D/Sentry  (17396): 			"screen_width_pixels": 1080,
D/Sentry  (17396): 			"screen_height_pixels": 2201,
D/Sentry  (17396): 			"screen_density": 2.625,
D/Sentry  (17396): 			"screen_dpi": 420,
D/Sentry  (17396): 			"boot_time": "2024-12-19T05:18:36.522Z",
D/Sentry  (17396): 			"timezone": "Asia/Kolkata",
D/Sentry  (17396): 			"id": "5a212cb5-4d1f-4e7b-9eba-b803931d6851",
D/Sentry  (17396): 			"language": "en",
D/Sentry  (17396): 			"locale": "en_US_#u-mu-celsius",
D/Sentry  (17396): 			"processor_count": 8,
D/Sentry  (17396): 			"processor_frequency": 2850.0
D/Sentry  (17396): 		},
D/Sentry  (17396): 		"os": {
D/Sentry  (17396): 			"name": "Android",
D/Sentry  (17396): 			"version": "15",
D/Sentry  (17396): 			"build": "BP11.241121.010",
D/Sentry  (17396): 			"kernel_version": "6.1.99-android14-11-g4981f05faf36-ab12440485",
D/Sentry  (17396): 			"rooted": false
D/Sentry  (17396): 		},
D/Sentry  (17396): 		"trace": {
D/Sentry  (17396): 			"trace_id": "85f2c4347e164ac58388a1373c3a66c0",
D/Sentry  (17396): 			"span_id": "84243c8c1ff34520",
D/Sentry  (17396): 			"op": "default",
D/Sentry  (17396): 			"origin": "manual"
D/Sentry  (17396): 		}
D/Sentry  (17396): 	},
D/Sentry  (17396): 	"sdk": {
D/Sentry  (17396): 		"name": "sentry.java.android.flutter",
D/Sentry  (17396): 		"version": "7.19.0",
D/Sentry  (17396): 		"packages": [
D/Sentry  (17396): 			{
D/Sentry  (17396): 				"name": "maven:io.sentry:sentry",
D/Sentry  (17396): 				"version": "7.19.0"
D/Sentry  (17396): 			},
D/Sentry  (17396): 			{
D/Sentry  (17396): 				"name": "maven:io.sentry:sentry-android-core",
D/Sentry  (17396): 				"version": "7.19.0"
D/Sentry  (17396): 			},
D/Sentry  (17396): 			{
D/Sentry  (17396): 				"name": "maven:io.sentry:sentry-android-ndk",
D/Sentry  (17396): 				"version": "7.19.0"
D/Sentry  (17396): 			},
D/Sentry  (17396): 			{
D/Sentry  (17396): 				"name": "maven:io.sentry:sentry-android-replay",
D/Sentry  (17396): 				"version": "7.19.0"
D/Sentry  (17396): 			}
D/Sentry  (17396): 		],
D/Sentry  (17396): 		"integrations": [
D/Sentry  (17396): 			"UncaughtExceptionHandler",
D/Sentry  (17396): 			"ShutdownHook",
D/Sentry  (17396): 			"SendCachedEnvelope",
D/Sentry  (17396): 			"Ndk",
D/Sentry  (17396): 			"AppLifecycle",
D/Sentry  (17396): 			"ActivityLifecycle",
D/Sentry  (17396): 			"ActivityBreadcrumbs",
D/Sentry  (17396): 			"UserInteraction",
D/Sentry  (17396): 			"AppComponentsBreadcrumbs",
D/Sentry  (17396): 			"Replay",
D/Sentry  (17396): 			"SystemEventsBreadcrumbs",
D/Sentry  (17396): 			"NetworkBreadcrumbs"
D/Sentry  (17396): 		]
D/Sentry  (17396): 	},
D/Sentry  (17396): 	"tags": {
D/Sentry  (17396): 		"isSideLoaded": "true"
D/Sentry  (17396): 	},
D/Sentry  (17396): 	"release": "4.0.8 (3801)",
D/Sentry  (17396): 	"environment": "debug",
D/Sentry  (17396): 	"platform": "java",
D/Sentry  (17396): 	"user": {
D/Sentry  (17396): 		"email": "",
D/Sentry  (17396): 		"id": "42336",
D/Sentry  (17396): 		"ip_address": "{{auto}}",
D/Sentry  (17396): 		"name": "",
D/Sentry  (17396): 	},
D/Sentry  (17396): 	"dist": "3801"
D/Sentry  (17396): }

vaind · 2025-01-09T07:51:30Z

Few more logs might help you

Nothing in this log fragment triggers any bells what could be the issue. Could you share the whole log & maybe the replay link?

Also, you could try disabling masking to see if that could be the cause of the problems. Unless you've specified any custom rules, disabling these two defaults would do the trick:

      options.experimental.privacy.maskAllText = false;
      options.experimental.privacy.maskAllImages = false;

techieasif · 2025-01-09T07:57:49Z

          options.experimental.replay.sessionSampleRate = 1.0;
          options.experimental.replay.onErrorSampleRate = 1.0;
          options.attachViewHierarchy = true;
          options.enableTimeToFullDisplayTracing = true;
          options.experimental.privacy.maskAllImages = false;
          options.experimental.privacy.maskAllText = false;
          options.experimental.privacy.maskAssetImages = false;

    I have this configuration.

Could you please share your official email, I'll send you the logs and replay on that from my org email. We can continue there on this.

vaind · 2025-01-12T18:43:55Z

Hello. I've had a look at the logs and it looks like the replay is sent successfully to the server, with multiple video segments of non-zero size.
It looks like you're self-hosting the server so you may need to check whether it needs an update. You could also try to verify your server correctly accepts replays by pointing the example app in this repo to your server DSN.

techieasif · 2025-01-13T07:56:36Z

Hi @vaind, it does appear to be an issue with our self-hosted version. I tested a new Sentry-hosted project, and it worked correctly. We’re in the process of upgrading our server hosting and will verify again afterward.

Thanks for the help 😃

vaind · 2025-01-13T08:07:19Z

Thanks for the followup, I'm closing this issue then because it doesn't look like an issue with the sentry-dart SDK.

techieasif added bug Platform: Dart labels Jan 7, 2025

getsantry bot added the Waiting for: Product Owner label Jan 7, 2025

github-project-automation bot added this to [DEPRECATED] Mobile SDKs Jan 7, 2025

github-project-automation bot moved this to Needs Discussion in [DEPRECATED] Mobile SDKs Jan 7, 2025

getsantry bot added this to GitHub Issues with 👀 3 Jan 7, 2025

getsantry bot moved this to Waiting for: Product Owner in GitHub Issues with 👀 3 Jan 7, 2025

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getsantry bot removed the status in GitHub Issues with 👀 3 Jan 7, 2025

getsantry bot added the Waiting for: Product Owner label Jan 8, 2025

getsantry bot moved this to Waiting for: Product Owner in GitHub Issues with 👀 3 Jan 8, 2025

getsantry bot removed the Waiting for: Product Owner label Jan 8, 2025

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getsantry bot moved this to Waiting for: Product Owner in GitHub Issues with 👀 3 Jan 9, 2025

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vaind added Session Replay and removed bug Platform: Dart labels Jan 10, 2025

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Replay Video going blank #2552

Replay Video going blank #2552

techieasif commented Jan 7, 2025

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Replay Video going blank #2552

Replay Video going blank #2552

Comments

techieasif commented Jan 7, 2025

Platform

Obfuscation

Debug Info

Doctor

Version

Steps to Reproduce

Expected Result

Actual Result

Are you willing to submit a PR?

vaind commented Jan 7, 2025

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