Initial commit: Null DRM Official
Capture, decrypt, and restream toolkit with compiled-in app modules (RTE, TG4, BBC), on-device MITM proxy, streamd control plane, and www. BBC module.yaml is published (clear streams); other module values stay local.
This commit is contained in:
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58
docs/providers/bbc.md
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58
docs/providers/bbc.md
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@ -0,0 +1,58 @@
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# BBC module — filling in `module.yaml`
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BBC iPlayer (Android). Streams from the `mobile-phone-main` mediaset are **clear**
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(CDN signed URLs); capture only needs the **MPD/HLS master**. Transparent MITM keeps
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NordVPN UK on the phone.
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`apps/modules/bbc/module.yaml` is published in the repo (package + channel map only;
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no secrets). Skeleton:
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```yaml
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package: bbc.iplayer.android
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proxy_bin: bin/proxy-android-arm64
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ca_hash: "6c3578b4"
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score:
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hosts:
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- open.live.bbc.co.uk
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- vs-cmaf-push-uk
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- vod-dash-uk
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- akamaized.net
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- bbci.co.uk
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- bidi.net.uk
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deny:
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- telemetry.api.bbci
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- bag.api.bbc
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- thumbnail
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aliases:
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one: bbcone
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bbc1: bbcone
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channels:
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bbcone:
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label: BBC One
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vpid: bbc_one_london
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bbctwo:
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label: BBC Two
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vpid: bbc_two_england
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```
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## Capture
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```bash
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# Leave NordVPN UK ON. Magisk CA should already be mounted (skip --reinject).
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./bin/drm capture --app bbc --channel bbcone --wait 120
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# Play BBC One on the phone when prompted.
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```
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Console prints the MPD in a banner; `outputs/bbc/<stamp>/session.json` holds the
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same fields (`mpd` required; no `key` / `pssh` for clear streams).
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Replay:
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```powershell
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ffplay -user_agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/120.0.0.0 Safari/537.36" -i "<mpd url>"
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```
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PC needs a UK egress IP (VPN). Some CDNs reject HEAD; use GET / ffplay as above.
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224
docs/providers/rte.md
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224
docs/providers/rte.md
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@ -0,0 +1,224 @@
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# RTE module — filling in `module.yaml`
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DASH + ModularDrm Widevine, captured from the phone. There is no public catalog, so
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every channel needs one phone capture to bootstrap.
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Create `apps/modules/rte/module.yaml`. It is gitignored. Nothing below is shipped
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in the repo — you obtain it yourself from your own device.
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## Skeleton
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```yaml
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package: <android package id>
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license_url: "<Widevine ModularDrm endpoint, incl. its account query string>"
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proxy_bin: bin/proxy-android-arm64
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ca_hash: "6c3578b4"
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score:
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hosts:
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- <manifest CDN host>
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- <ad-stitching host, if the app uses one>
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deny:
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- <EPG / schedules host fragment>
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aliases:
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one: chanone
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two: chantwo
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channels:
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chanone:
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label: "Channel One"
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chip_desc: ["^chanone$"]
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play_desc: ["play\\s*chanone"]
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chantwo:
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label: "Channel Two"
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chip_desc: ["^chantwo$"]
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play_desc: ["play\\s*chantwo"]
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# Origin encoders behind the live channels.
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origins:
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vc11: "https://<origin host>/live/<path>/vc11/vc11.isml/"
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vc12: "https://<origin host>/live/<path>/vc12/vc12.isml/"
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kids:
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vc11: "<uuid-form KID>"
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vc12: "<uuid-form KID>"
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```
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## Where each value comes from
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### `package`
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Open the app on the phone, then:
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```bash
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adb shell dumpsys window | grep mCurrentFocus
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```
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The part before `/` is the package id.
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### `license_url`
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Run a discover session and play a channel ([capture.md](capture.md)):
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```bash
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./bin/drm proxy discover --install-ca --reinject
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grep -iE 'ModularDrm|widevine|license' outputs/discover/*/appproxy.log
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```
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Take the full URL including its query string — the account reference in it is part
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of the endpoint. The module also accepts it per run:
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```bash
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./bin/drm capture --app rte --rte.license-url 'https://.../ModularDrm?...'
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```
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### `score.hosts` / `score.deny`
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`hosts` are the hosts that legitimately serve manifests; `deny` are hosts or URL
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fragments that must never be mistaken for one.
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```bash
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grep -oE '"host":"[^"]+"' outputs/discover/*/appproxy_traffic.jsonl \
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| sort | uniq -c | sort -rn | head -20
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```
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Put the origin and any ad-stitching host in `hosts`. Put EPG/schedule feeds and
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analytics in `deny` — this app's schedule feed otherwise scores as a manifest
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because its URL looks plausible.
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Format-level scoring (`.mpd`, `.m3u8`, `/manifest`, `.isml`) is built in; you only
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supply the provider-specific parts.
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### `channels.*.chip_desc` and `play_desc`
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These are the regexes that locate the channel chip on the Live tab and the large
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hero Play button. They match the node **content-description**, case-insensitively.
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Navigate to the Live tab by hand and dump the tree:
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```bash
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adb shell uiautomator dump /sdcard/ui.xml
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adb shell cat /sdcard/ui.xml | grep -oE 'content-desc="[^"]*"' | sort -u
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```
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You are looking for two things:
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- a small chip per channel — its description is usually the bare channel name, so
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anchor the regex (`^chanone$`) to avoid matching a longer label
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- a large "play <channel>" button that appears after the chip is tapped
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The module taps the hero Play directly when it is already on screen, otherwise it
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taps the chip first and waits for Play to appear. A match is only accepted as the
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hero button if its area is at least `hero_min_area` (default 200000), which keeps
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small list-item play icons from winning.
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### `origins` and `kids` — the important pair
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These let the manifest rewriter keep working after the ad-stitched manifest session
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expires. Both come from a capture.
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**The KID** is in the capture session:
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```bash
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./bin/drm capture --app rte --channel chanone --auto-play --wvd data/device.wvd
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jq -r '.kid' outputs/rte/latest/session.json
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```
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Convert it to dashed UUID form for the `kids:` map
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(`8-4-4-4-12`), e.g. `df1633821dddfdd5bec9822c1ec0f052` becomes
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`df163382-1ddd-fdd5-bec9-822c1ec0f052`. Either form is accepted, but UUID form is
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easier to read.
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**The origin** is the Smooth Streaming base URL. Find it in the discover traffic:
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```bash
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grep -oE 'https?://[^"]+\.isml[^"]*' outputs/discover/*/appproxy_traffic.jsonl \
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| sed -E 's#(\.isml).*#\1/#' | sort -u
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```
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The last path element before `.isml` is the encoder channel id, which becomes the
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map key. So `https://host/live/tc-1/vc11/vc11.isml/` is keyed `vc11`.
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**Pair them up** by capturing each channel in turn and noting which KID appeared:
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```bash
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for ch in chanone chantwo; do
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./bin/drm capture --app rte --channel $ch --auto-play --wvd data/device.wvd
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echo "$ch -> $(jq -r .kid outputs/rte/latest/session.json)"
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done
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```
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Then confirm the mapping resolves:
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```bash
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go -C apps/modules test -tags live ./rte/ -v
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```
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That test fetches each configured origin's manifest, checks the KID resolves back
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to its channel, and verifies the synthetic manifest lands on the live encoder's
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segment grid. If a KID does not resolve, `kids:` and `origins:` disagree.
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### `ca_hash`
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The subject hash of the MITM CA, which is what the Magisk mount installs as
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`<hash>.0`. `6c3578b4` is the bundled CA; change it only if you generated your own.
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```bash
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adb shell 'ls /system/etc/security/cacerts/'
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```
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## Optional tuning
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All of these have working defaults — set them only if the app changes.
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```yaml
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encoder_channel_re: '^(vc|channel)\d+$' # which origin ids use the encoder timeline
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origin_marker: .isml # path element identifying an origin BaseURL
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hero_min_area: 200000 # smallest node accepted as the hero Play
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ui:
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launch_desc_contains: ["live tab", "header logo"]
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live_tab_desc_re: ["Live tab"]
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timeouts:
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launch_wait_ui: 25s
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live_tab: 30s
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chip_wait: 20s
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play_wait: 15s
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playback: 45s
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synthetic:
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video_timescale: 600
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audio_timescale: 48000
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video_name: video
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audio_name: audio_128k
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video_bandwidth: 6000000
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audio_bandwidth: 128000
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width: 1920
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height: 1080
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live_edge_offset_s: 12
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window_segments: 6
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```
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The `synthetic` block describes the origin encoder. Its defaults match a common
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Smooth-to-DASH setup; if your origin uses different stream names or bitrates, read
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them off the origin manifest:
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```bash
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curl -s 'https://<origin>/live/<path>/vc11/vc11.isml/Manifest' | head -40
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```
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`StreamIndex Name="…"` gives `video_name` / `audio_name`, and `Bitrate="…"` gives
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the bandwidths. Segment duration and phase are learned at runtime, not configured.
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## Verify
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```bash
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./bin/drm modules # channel count should match your file
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./bin/drm capture --app rte --channel chanone --auto-play --wvd data/device.wvd
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go -C apps/modules test -tags live ./rte/ -v
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```
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A good capture yields `auth`, `pid`, `pssh` and `mpd`, and a single `KID:KEY` whose
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KID matches the `kids:` entry for that channel's encoder.
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288
docs/providers/tg4.md
Normal file
288
docs/providers/tg4.md
Normal file
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@ -0,0 +1,288 @@
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# TG4 module — filling in `module.yaml`
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Brightcove Live: HLS manifests and a raw Widevine license. The playback catalog is
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public, so channels resolve **without a phone** once you have the account id and
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policy key. Phone capture also works and is the only route for channels the catalog
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does not list.
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Create `apps/modules/tg4/module.yaml`. It is gitignored. None of these values ship
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in the repo.
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## The DRM stack
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| Piece | Detail |
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|---|---|
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| Manifest | HLS `.m3u8` (prefer the DVR playlist) |
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| License | `POST` a raw binary challenge to `.../lic/wv?token=<JWT>` |
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| License auth | JWT in the **query string**, not a header |
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| Key mode | `raw` (not the JSON ModularDrm wrapper) |
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| Keys per stream | several — a multi-KID SAMPLE-AES/cbcs stream needs all of them |
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| PSSH | from the HLS playlist's Widevine `KEYFORMAT` line, not from a manifest |
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Also published on the same host: FairPlay (`/lic/fp`) and PlayReady (`/lic/pr`).
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## Skeleton
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```yaml
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package: <android package id>
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proxy_bin: bin/proxy-android-arm64
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ca_hash: "6c3578b4"
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account_id: "<brightcove account id>"
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policy_key: "BCpkAD..."
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playback_config_url: "https://<host>/<path>/playback_config.json"
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score:
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hosts:
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- <live CDN host>
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deny:
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- <analytics host fragment>
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aliases:
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main: chanone
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plus1: plus
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channels:
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chanone:
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label: "Main"
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video_id: "<brightcove video id>"
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stream_id_field: <field in playback_config holding that id>
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token_field: <field in playback_config holding the playback JWT>
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live_card_index: 0
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kids:
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label: "Kids"
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video_id: "<brightcove video id>"
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token_field: <field name>
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live_card_index: 1
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sport:
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label: "Sport"
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phone_only: true # no catalog entry; capture from the phone
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live_card_index: 3
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ui:
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launch_resource_contains:
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- <a view id present on the home screen>
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```
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## Where each value comes from
|
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|
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### `package`
|
||||
|
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```bash
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adb shell dumpsys window | grep mCurrentFocus
|
||||
```
|
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### `playback_config_url`
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The app fetches a JSON config at startup that carries the live stream ids and
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playback tokens. Find it in a discover session:
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|
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```bash
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./bin/drm proxy discover --install-ca --reinject
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grep -oE 'https?://[^"]+(config|playback)[^"]*\.json' \
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outputs/discover/*/appproxy_traffic.jsonl | sort -u
|
||||
```
|
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|
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Fetch it and look at the keys:
|
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|
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```bash
|
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curl -s '<playback_config_url>' | jq 'keys'
|
||||
```
|
||||
|
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You will see entries along the lines of `<region>StreamId` and
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`liveLoggedOutToken<REGION>`. **Those names go in your channel entries**, not in Go
|
||||
— the module decodes the config generically, so a renamed upstream field is a
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one-line edit here.
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||||
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### `account_id`
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The Brightcove account id appears in the catalog request path and in the manifest
|
||||
URL:
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||||
|
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```bash
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grep -oE 'edge\.api\.brightcove\.com/playback/v1/accounts/[0-9]+' \
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outputs/discover/*/appproxy_traffic.jsonl | sort -u
|
||||
```
|
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|
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### `policy_key`
|
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|
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A `BCpkAD…` string the app sends as `Accept: application/json;pk=<policyKey>` on
|
||||
every catalog call. It is embedded in the APK and visible on the wire:
|
||||
|
||||
```bash
|
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grep -oE 'pk=BCpkAD[A-Za-z0-9_-]+' outputs/discover/*/appproxy_traffic.jsonl \
|
||||
| sort -u
|
||||
```
|
||||
|
||||
Treat it as a secret: keep it in this gitignored file, or pass it per run.
|
||||
|
||||
```bash
|
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./bin/drm catalog --app tg4 --channel chanone --tg4.policy-key 'BCpkAD...'
|
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export TG4_POLICY_KEY='BCpkAD...'
|
||||
```
|
||||
|
||||
### `channels.*.video_id` vs `stream_id_field`
|
||||
|
||||
Two ways to name the Brightcove video for a channel:
|
||||
|
||||
- `video_id` — pin it directly. Stable, and what you want once you know it.
|
||||
- `stream_id_field` — read it from `playback_config.json` at run time. Survives the
|
||||
provider rotating ids.
|
||||
|
||||
Set both and `video_id` wins. Find a channel's id by matching the config field to
|
||||
the manifest URL you captured — the id appears as the first path segment:
|
||||
|
||||
```text
|
||||
https://<cdn>/<videoId>/<region>/<accountId>/<jwt>/playlist-hls-dvr.m3u8
|
||||
```
|
||||
|
||||
### `channels.*.token_field`
|
||||
|
||||
The field in `playback_config.json` holding the long-lived JWT used as
|
||||
`livePlaybackToken` on the catalog call. Each channel/region has its own. Without
|
||||
the right one the catalog returns no playable source.
|
||||
|
||||
### `channels.*.live_card_index`
|
||||
|
||||
Only used for phone capture. It is the channel's position in the app's Live page
|
||||
card list, counting from 0, top to bottom.
|
||||
|
||||
Open the Live page by hand and dump the tree:
|
||||
|
||||
```bash
|
||||
adb shell uiautomator dump /sdcard/ui.xml
|
||||
adb shell cat /sdcard/ui.xml
|
||||
```
|
||||
|
||||
Content cards are the clickable rows below the title area. The module finds them by
|
||||
geometry and ignores chrome (Search, Profile, Cast, drawer). Confirm your indices by
|
||||
running a capture and checking the tap y-coordinate changes between channels:
|
||||
|
||||
```text
|
||||
[*] tap card #0 @ 540,732
|
||||
[*] tap card #1 @ 540,1494
|
||||
```
|
||||
|
||||
If the wanted index is off screen the module scrolls and re-counts, so a long list
|
||||
still works.
|
||||
|
||||
### `channels.*.phone_only`
|
||||
|
||||
Set it for a channel that has no catalog entry. `drm catalog` then fails with a
|
||||
message pointing at phone capture instead of a confusing "no video id" error.
|
||||
|
||||
### `ui.launch_resource_contains`
|
||||
|
||||
This app's home screen exposes almost no useful `content-desc` — only chrome like
|
||||
Search, Profile, Cast and the drawer button — so readiness is keyed off **view
|
||||
ids**, which are stable and not localized.
|
||||
|
||||
```bash
|
||||
adb shell uiautomator dump /sdcard/ui.xml
|
||||
adb shell cat /sdcard/ui.xml | grep -oE 'resource-id="[^"]*"' \
|
||||
| sed 's/.*\///' | sort -u
|
||||
```
|
||||
|
||||
Pick a container that only exists once the home screen has rendered, e.g. the
|
||||
content rail's refresh layout or the drawer toolbar.
|
||||
|
||||
This matters: without a marker that actually matches, every capture burns the full
|
||||
launch timeout before auto-play recovers. It still works, just 30 s slower each time.
|
||||
|
||||
### `score.hosts` / `score.deny`
|
||||
|
||||
`hosts` is the live CDN host that serves manifests. `deny` is for analytics — this
|
||||
provider's metrics beacons carry `.m3u8` in a query string and otherwise score as
|
||||
manifests.
|
||||
|
||||
```bash
|
||||
grep -oE '"host":"[^"]+"' outputs/discover/*/appproxy_traffic.jsonl \
|
||||
| sort | uniq -c | sort -rn | head -20
|
||||
```
|
||||
|
||||
## Verify
|
||||
|
||||
Catalog path first — it needs no phone:
|
||||
|
||||
```bash
|
||||
./bin/drm modules
|
||||
./bin/drm catalog --app tg4 --list
|
||||
```
|
||||
|
||||
```text
|
||||
CHANNEL CATALOG ID LABEL
|
||||
chanone 6383454185112 Main
|
||||
kids 6383455473112 Kids
|
||||
sport - Sport
|
||||
|
||||
provider flags: cula4Enabled=true liveEnabled=true ...
|
||||
```
|
||||
|
||||
A `-` in CATALOG ID means neither `video_id` nor `stream_id_field` resolved.
|
||||
`provider flags` are the booleans from `playback_config.json`, handy for spotting a
|
||||
channel the provider has switched off.
|
||||
|
||||
Then resolve one for real:
|
||||
|
||||
```bash
|
||||
./bin/drm catalog --app tg4 --channel chanone --keys --wvd data/device.wvd
|
||||
```
|
||||
|
||||
Expect an HLS DVR manifest, a `/lic/wv?token=` license URL, a PSSH, and several
|
||||
`KID:KEY` lines.
|
||||
|
||||
Finally, cross-check the phone path against it — independent routes agreeing on the
|
||||
PSSH and the full key set is strong evidence both are configured correctly:
|
||||
|
||||
```bash
|
||||
./bin/drm catalog --app tg4 --channel chanone --keys --wvd data/device.wvd --json > a.json
|
||||
./bin/drm capture --app tg4 --channel chanone --auto-play --wvd data/device.wvd
|
||||
diff <(jq -r '.keys[]' a.json | sort) <(sort outputs/tg4/latest/key.txt)
|
||||
```
|
||||
|
||||
## Optional tuning
|
||||
|
||||
```yaml
|
||||
stream_name_prefix: tg4 # prefix for generated stream names
|
||||
|
||||
cards:
|
||||
min_y: 300 # ignore nodes above this (title area / chrome)
|
||||
min_h: 250
|
||||
min_w: 600
|
||||
desc_deny: ["Search", "Profile", "Cast", "Open", "Closed"]
|
||||
text_deny: ["catch-up"]
|
||||
|
||||
ui:
|
||||
live_label: live # text identifying the Live menu entry and title
|
||||
live_title_resource: <view id of the Live page title>
|
||||
drawer_desc: ["Open", "Closed"]
|
||||
drawer_fallback_x: 68 # tapped when the drawer button cannot be found
|
||||
drawer_fallback_y: 183
|
||||
menu_max_x: 700 # bounds for a drawer menu entry
|
||||
menu_min_y: 250
|
||||
menu_max_y: 700
|
||||
playback_desc_contains: ["video player"]
|
||||
playback_resource_contains: [<player view id>]
|
||||
|
||||
timeouts:
|
||||
launch_wait_ui: 30s
|
||||
live_nav: 25s
|
||||
card: 25s
|
||||
playback: 60s
|
||||
```
|
||||
|
||||
The player often starts without a dumpsys audio session, so playback is confirmed
|
||||
by `playback_resource_contains` / `playback_desc_contains` and the wait is
|
||||
soft-failing: capture continues even if neither signal appears.
|
||||
|
||||
## Troubleshooting
|
||||
|
||||
| Symptom | Cause |
|
||||
|---|---|
|
||||
| `INVALID_POLICY_KEY` (HTTP 401) | wrong or rotated `policy_key` |
|
||||
| `no playback token for channel "x" (field Y)` | `token_field` is not a key in `playback_config.json` |
|
||||
| `no video id for channel "x"` | set `video_id`, or a `stream_id_field` that exists |
|
||||
| `no HLS source in playback response` | the channel is off air, or the token is for a different region |
|
||||
| `launch: ui node not found` | `ui.launch_resource_contains` does not match — re-dump the tree |
|
||||
| `tap card #N` picks the wrong channel | card order changed; re-check `live_card_index` |
|
||||
| Fewer keys than expected | a multi-KID stream needs every key; check `key.txt`, not just `key` |
|
||||
Loading…
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Add a link
Reference in a new issue