From 7453054803693f194d4c00cee09cd6fe75a0a61f Mon Sep 17 00:00:00 2001
From: L3D <l3d@c3woc.de>
Date: Tue, 21 Feb 2023 00:49:58 +0100
Subject: [PATCH] some random ffmpeg commands

---
 README.md                              |  7 ++++++
 roles/ffmpeg_command/defaults/main.yml |  3 +++
 roles/ffmpeg_command/handlers/main.yml |  9 ++++++++
 roles/ffmpeg_command/tasks/main.yml    | 31 ++++++++++++++++++++++++++
 site.yml                               |  2 ++
 templates/audiometer.service.j2        | 15 +++++++++++++
 templates/audiometer.sh.j2             | 17 ++++++++++++++
 7 files changed, 84 insertions(+)
 create mode 100644 roles/ffmpeg_command/defaults/main.yml
 create mode 100644 roles/ffmpeg_command/handlers/main.yml
 create mode 100644 roles/ffmpeg_command/tasks/main.yml
 create mode 100644 templates/audiometer.service.j2
 create mode 100644 templates/audiometer.sh.j2

diff --git a/README.md b/README.md
index f99435f..088a0ec 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,13 @@ Ansible Playbook to Install Audio Meter
 ## Some useful links:
 + [FFMPEG HLS](https://www.martin-riedl.de/2018/08/24/using-ffmpeg-as-a-hls-streaming-server-part-1/)
 
+```
+ACHTUNG
+
+Shitty ansible, sollte man in schön machen.
+Soll jetzt aber laufen und ist dringend/keine Zeit und so... ;P
+```
+
 ## FFMPEG COMMAND
 Generate Audiometer for video
 ```bash
diff --git a/roles/ffmpeg_command/defaults/main.yml b/roles/ffmpeg_command/defaults/main.yml
new file mode 100644
index 0000000..63929a9
--- /dev/null
+++ b/roles/ffmpeg_command/defaults/main.yml
@@ -0,0 +1,3 @@
+---
+stream_input_url: false
+stream_name: false
diff --git a/roles/ffmpeg_command/handlers/main.yml b/roles/ffmpeg_command/handlers/main.yml
new file mode 100644
index 0000000..4de8c54
--- /dev/null
+++ b/roles/ffmpeg_command/handlers/main.yml
@@ -0,0 +1,9 @@
+---
+- name: Systemctl restart audiometer.service
+  become: true
+  ansible.builtin.systemd:
+    state: restarted
+    name: audiometer.service
+    enabled: true
+    masked: false
+    daemon_reload: true
diff --git a/roles/ffmpeg_command/tasks/main.yml b/roles/ffmpeg_command/tasks/main.yml
new file mode 100644
index 0000000..68179ac
--- /dev/null
+++ b/roles/ffmpeg_command/tasks/main.yml
@@ -0,0 +1,31 @@
+---
+- name: Make sure stream_input_url is set
+  ansible.builtin.fail:
+    msg: "Please define stream_input_url"
+  when: not stream_input_url | bool
+
+- name: Make sure stream_name is set
+  ansible.builtin.fail:
+    msg: "Please define stream_name"
+  when: not stream_name | bool
+
+- name: Create systemd service
+  become: true
+  ansible.builtin.template:
+    src: 'templates/audiometer.service.j2'
+    dest: '/lib/systemd/system/audiometer.service.j2'
+    mode: 0640
+    owner: root
+    group: root
+  notify: Systemctl restart audiometer.service
+
+# todo: make sure user exist
+
+- name: Create ffmpeg command
+  become: true
+  ansible.builtin.template:
+    src: templates/audiometer.sh.j2
+    dest: /opt/audiometer.sh
+    mode: 0655
+    owner: video
+    group: video
diff --git a/site.yml b/site.yml
index 3c1ab37..b01d99d 100644
--- a/site.yml
+++ b/site.yml
@@ -32,4 +32,6 @@
     - {role: do1jlr.webhost, tags: [web, webhost], become: true}
     - {role: do1jlr.acmetool, tags: [web, acmetool], become: true}
     - {role: do1jlr.nginx, tags: [web, nginx]}
+    - {role: streaming_website, tags: web}
+    - {role: ffmpeg_command, tags: ffmpeg}
 
diff --git a/templates/audiometer.service.j2 b/templates/audiometer.service.j2
new file mode 100644
index 0000000..a25c8c2
--- /dev/null
+++ b/templates/audiometer.service.j2
@@ -0,0 +1,15 @@
+{{ ansible_managed | comment }}
+
+[Unit]
+Description=create audiometer for {{ inventory_hstname }}
+After=network.target
+
+[Service]
+Type=simple
+Restart=always
+User=video
+ExecStart=/opt/audiometer.sh
+ExecReload=/bin/kill -HUP $MAINPID
+
+[Install]
+WantedBy=multi-user.target
diff --git a/templates/audiometer.sh.j2 b/templates/audiometer.sh.j2
new file mode 100644
index 0000000..201011c
--- /dev/null
+++ b/templates/audiometer.sh.j2
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+ffmpeg -listen 1 -i {{ stream_input_url }} \
+    -nostats \
+       -loglevel repeat+level+info \
+       -filter_complex \
+       "[0:v:0]scale=640x360[orig_scaled];\
+        [full_mix]framerate=fps=25[out]; \
+        [orig_scaled]drawtext=fontfile=/srv/www/{{ inventory_hostname }}/opensans.ttf:text={{ stream_name }}:fontcolor=white:fontsize=100:box=1:boxcolor=black@0.5:boxborderw=5:x=(w-text_w)/2:y=(h-text_h)/1.5[preview_overlay];\
+        [0:a:0]ebur128=video=1:size=640x480:meter=9:target=-16:gauge=shortterm[native][native_a]; [native_a]anullsink; \
+        [native]drawtext=fontfile=/srv/www/{{ inventory_hostname }}/opensans.ttf:text=native:fontcolor=white:fontsize=60:box=1:boxcolor=black@0.5:boxborderw=5:x=(w-text_w)/2:y=(h-text_h)/1.5[native_overlay];\
+        [0:a:0]showvolume=r=50:w=640:h=60:b=0:ds=log:dm=1.0[native_vu]; \
+        [preview_overlay][native_vu][native_overlay]vstack=inputs=3[full_mix] " \
+       -map "[out]" \
+       -g 30 \
+       -c:v libx264 -bufsize 16M -maxrate 8M -crf 24 -pix_fmt yuv420p -preset ultrafast \
+        -f hls -hls_time 4 -hls_playlist_type event /srv/www/{{ inventory_hostname }}/stream.m3u8