streaming-sink-mkvonly.sh.j2

#!/bin/sh
ffmpeg -y -nostdin -hide_banner \
{# input from both mix-out and slide-mirror #}
	-thread_queue_size 512 -i tcp://localhost:15000?timeout=3000000 \
{% if voctomix.parallel_slide_recording %}
	-thread_queue_size 512 -i tcp://localhost:15001?timeout=3000000 \
{% endif %}
	-filter_complex '
		[0:v] hqdn3d [smooth_hd];
		movie=/opt/voc/share/overlay_hd.png [logo_hd];
		[smooth_hd] [logo_hd] overlay=0:0 [hd]

{% if voctomix.parallel_slide_recording %}
		;
		[1:v] scale=1024:576, fps=5, hqdn3d [smooth_slides];

		movie=/opt/voc/share/overlay_slides.png [logo_slides];
		[smooth_slides] [logo_slides] overlay=0:0 [slides]
{% endif %}
	' \
{# Shared video settings #}
	-c:v libx264 -preset:v veryfast -profile:v main -pix_fmt yuv420p -flags +cgop \
	-threads:v 0 -aspect 16:9 \
	\
{# High bitrate and high quality for HD #}
	-map [hd] -metadata:s:v:0 title="HD" \
	-r:v:0 25 -g:v:0 75 -crf:v:0 21 -maxrate:v:0 4M -bufsize:v:0 18M \
	\
{% if voctomix.parallel_slide_recording %}
{# Low bitrate and ok quality for Slides #}
	-map [slides] -metadata:s:v:1 title="Slides" \
	-g:v:1 15 -crf:v:1 25 -maxrate:v:1 100k -bufsize:v:1 750k \
	\
{% endif %}
{# Shared audio settings #}
	-c:a aac -b:a 192k -ar 48000 -ac 1 \
	\
{# Encode audio #}
{% if voctomix_stream_suppress_audio_tracks %}
{% for n in range(voctomix_audiostreams) %}
{% if n not in voctomix_stream_suppress_audio_tracks %}
	-map 0:a:{{ n }} \
{% endif %}
{% endfor %}
{% else %}
	-map 0:a \
{% endif %}
	\
	-f matroska \
	-password {{ lookup('keepass', 'ansible/icecast/icedist/source.password') }} \
	-content_type video/webm \
{% if streaming_endpoint_pulling %}
	icecast://127.0.0.1:7999/{{ streaming_endpoint }}
{% else %}
	icecast://live.ber.c3voc.de:7999/{{ streaming_endpoint }}
{% endif %}