From 4fe95f44f002a0399f8e31a93e9425edf40a9671 Mon Sep 17 00:00:00 2001
From: Sacha Chua <sacha@sachachua.com>
Date: Mon, 21 Nov 2022 14:32:08 -0500
Subject: restreaming

---
 README.org                                 |  3 +++
 roles/media/templates/nginx-include        |  4 +++-
 roles/prerec/templates/thumbnail.sh        |  3 +++
 roles/prerec/templates/update-emacsconf.sh |  6 +++++
 roles/stream/tasks/main.yml                | 37 ++++++++----------------------
 roles/stream/tasks/track.yml               | 17 ++++++++++++++
 roles/stream/templates/restream.sh         | 18 +++++++++++++++
 7 files changed, 60 insertions(+), 28 deletions(-)
 create mode 100755 roles/prerec/templates/thumbnail.sh
 create mode 100755 roles/prerec/templates/update-emacsconf.sh
 create mode 100644 roles/stream/tasks/track.yml
 create mode 100755 roles/stream/templates/restream.sh

diff --git a/README.org b/README.org
index 2394f54..80b322e 100644
--- a/README.org
+++ b/README.org
@@ -206,6 +206,9 @@ ansible-playbook -i inventory.yml prod-playbook.yml --tags obs-scene
 
 Update scenes from the dev copy:
 ssh emacsconf-dev@res.emacsconf.org "cat ~/.config/obs-studio/basic/scenes/dev.json" | jq 'walk(if type == "string" then gsub("emacsconf"; "{{ emacsconf_id }}") | gsub("dev"; "{{ item.id }}") else . end)' > scenes.json
+* Media
+
+ansible-playbook -i inventory.yml prod-playbook.yml --tags media
 * Captioning
 
 Set up whisper:
diff --git a/roles/media/templates/nginx-include b/roles/media/templates/nginx-include
index 3bfb58e..f61d5c5 100644
--- a/roles/media/templates/nginx-include
+++ b/roles/media/templates/nginx-include
@@ -1,4 +1,6 @@
-        location /{{ emacsconf_year }}/backstage {
+rewrite ^/current/bbb-open.html$ {{ bbb_open_url }} redirect;
+
+location /{{ emacsconf_year }}/backstage {
                 auth_basic "Restricted";
                 auth_basic_user_file /etc/nginx/sites-available/{{ host_name }}-{{ emacsconf_year }}-htpasswd;
                 autoindex on;
diff --git a/roles/prerec/templates/thumbnail.sh b/roles/prerec/templates/thumbnail.sh
new file mode 100755
index 0000000..436979d
--- /dev/null
+++ b/roles/prerec/templates/thumbnail.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+# {{ ansible_managed }}
+ffmpeg -i "$1" -vf "thumbnail,scale=400:225" -frames:v 1 $(echo "$1" | sed s/webm/png/ )
diff --git a/roles/prerec/templates/update-emacsconf.sh b/roles/prerec/templates/update-emacsconf.sh
new file mode 100755
index 0000000..e01ebcf
--- /dev/null
+++ b/roles/prerec/templates/update-emacsconf.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+# {{ ansible_managed }}
+
+cd {{ emacsconf_el_dir }}
+git pull
+emacsclient --eval "(emacsconf-reload)" -a emacs
diff --git a/roles/stream/tasks/main.yml b/roles/stream/tasks/main.yml
index d741c72..941ac92 100644
--- a/roles/stream/tasks/main.yml
+++ b/roles/stream/tasks/main.yml
@@ -13,27 +13,8 @@
     path: "{{ icecast_restream_dir }}"
     owner: "{{ icecast_user }}"
     state: directory
-- name: Debug
-  debug:
-    var: item.id
-  loop: "{{ emacsconf_tracks }}"
-- name: Copy the lowres restreaming shell script
-  template:
-    src: lowres.sh
-    dest: /usr/local/bin/{{ emacsconf_id }}-lowres-{{ item.id }}.sh
-    mode: 0755
-  loop: "{{ emacsconf_tracks }}"
-- name: Copy lowres on-connect
-  template:
-    src: on-connect
-    dest: /usr/local/bin/{{ emacsconf_id }}-lowres-{{ item.id }}-on-connect
-    mode: 0755
-  loop: "{{ emacsconf_tracks }}"
-- name: Copy lowres on-disconnect
-  template:
-    src: on-disconnect
-    dest: /usr/local/bin/{{ emacsconf_id }}-lowres-{{ item.id }}-on-disconnect
-    mode: 0755
+- name: Set up track-specific things
+  include: track.yml
   loop: "{{ emacsconf_tracks }}"
 - name: Set up init file
   become: true
@@ -73,9 +54,11 @@
 - name: Try to restart icecast if not started
   service: name=emacsconf state=started enabled=yes
   when: port_check.failed == true
-# - name: Set up restream script
-#   template:
-#     src: restream-yt.sh
-#     dest: /home/orga/restream-yt.sh
-#     owner: orga
-#     mode: 0755
+- name: Set up restream scripts
+  tags: restream
+  template:
+    src: restream.sh
+    dest: /home/orga/restream-{{ item[1].name }}-{{ item[0].name }}.sh
+    owner: orga
+    mode: 0755
+  loop: "{{ restreaming_platforms | subelements('streams') | list }}"
diff --git a/roles/stream/tasks/track.yml b/roles/stream/tasks/track.yml
new file mode 100644
index 0000000..d1e8204
--- /dev/null
+++ b/roles/stream/tasks/track.yml
@@ -0,0 +1,17 @@
+- name: Copy the lowres restreaming shell script
+  template:
+    src: lowres.sh
+    dest: /usr/local/bin/{{ emacsconf_id }}-lowres-{{ item.id }}.sh
+    mode: 0755
+- name: Copy lowres on-connect
+  template:
+    src: on-connect
+    dest: /usr/local/bin/{{ emacsconf_id }}-lowres-{{ item.id }}-on-connect
+    mode: 0755
+- name: Copy lowres on-disconnect
+  template:
+    src: on-disconnect
+    dest: /usr/local/bin/{{ emacsconf_id }}-lowres-{{ item.id }}-on-disconnect
+    mode: 0755
+
+  
diff --git a/roles/stream/templates/restream.sh b/roles/stream/templates/restream.sh
new file mode 100755
index 0000000..e1d0a7f
--- /dev/null
+++ b/roles/stream/templates/restream.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+# {{ ansible_managed }}
+MOUNT={{ item[0].stream_url }}/{{ item[1].key }}   # rtmp://..../stream_key
+LOGLEVEL="${LOGLEVEL:-24}"
+for i in 1 2 3 4 5; do
+    ffmpeg -re -loglevel $LOGLEVEL -i http://localhost:{{ icecast_port }}/{{ emacsconf_id }}/{{ item[1].source }} \
+           -cluster_size_limit 2M \
+           -cluster_time_limit 5100 \
+           -b:v 1M \
+           -crf 30 \
+           -g 125 \
+           -deadline re \
+           -threads 4 \
+           -vcodec libx264 \
+           -acodec libmp3lame \
+           -f flv $MOUNT
+    sleep 5 # in case of error
+done
-- 
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