def fanout(c):
command = fanout_utils.format_and_strip(
c, """
ffmpeg -v warning -nostats -nostdin -y -analyzeduration 50000000
-i {{ pull_url }}
-c:a copy
-c:v copy
-map 0:v:0 -b:v:0 2800k
{% if 'SD' in video_tracks %}
-map 0:v:1 -b:v:1 800k
{% endif %}
{% if 'Slides' in video_tracks %}
-map 0:v:2 -b:v:2 100k
{% endif %}
-map 0:a:0 -b:a:0 96k -metadata:s:a:0 language="Untranslated"
{% if 'Translated' in audio_tracks %}
-map 0:a:1 -b:a:1 96k -metadata:s:a:1 language="Translated"
{% endif %}
{% if 'Translated-2' in audio_tracks %}
-map 0:a:2 -b:a:2 96k -metadata:s:a:2 language="Translated-2"
{% endif %}
-f dash
-window_size 201 -extra_window_size 10
-seg_duration 3
-dash_segment_type webm
-init_seg_name 'init_$RepresentationID$.webm'
-media_seg_name 'segment_$RepresentationID$_$Number$.webm'
-adaptation_sets '{{ adaptation_sets | join(" ") }}'
{{ dash_write_path }}/{{ stream }}/manifest.mpd
""")
fanout_utils.call(command)
def fanout_webm(context):
command = fanout_utils.format_and_strip(
context, """
ffmpeg -v warning -nostats -nostdin -y -analyzeduration 3000000
-i {{ pull_url }}
{% for audio_track in audio_tracks %}
{% for codec in ['mp3', 'opus'] %}
-c:v copy
-c:a copy
{% if audio_track == 'Native' %}
-map 0:a:{{ 0 if codec == 'mp3' else 1 }}
{% elif audio_track == 'Translated' %}
-map 0:a:{{ 2 if codec == 'mp3' else 3 }}
{% elif audio_track == 'Translated-2' %}
-map 0:a:{{ 4 if codec == 'mp3' else 5 }}
{% endif %}
-f {{ codec }}
-content_type {{ 'audio/mpeg' if codec == 'mp3' else 'audio/ogg' }}
-password {{ icecast_password }}
icecast://{{ push_endpoint }}/{{ stream }}_{{ audio_track | lower }}.{{ codec }}
{% endfor %}
{% endfor %}
""")
fanout_utils.call(command)
def fanout(context):
command = fanout_utils.format_and_strip(
context, """
ffmpeg -v warning -nostats -nostdin -y
-i {{ pull_url }}
-map 0:v:0
-c:v copy -an
-f image2 -update 1 {{ thumbnail_write_path }}/{{ stream }}/poster.jpeg
-map 0:v:1
-c:v copy -an
-f image2 -update 1 {{ thumbnail_write_path }}/{{ stream }}/thumb.jpeg
""")
fanout_utils.call(command)
def fanout(c):
command = fanout_utils.format_and_strip(c, """
ffmpeg -v warning -nostats -nostdin -y -analyzeduration 3000000
-i {{ pull_url }}
-c:v copy
-c:a copy
{{ maps | join("\n\t") }}
-hls_time 6
-hls_list_size 200
-hls_segment_filename "{{ hls_write_path }}/{{ stream }}/{{ starttime }}-%d_%v.ts"
-hls_flags +delete_segments+omit_endlist+independent_segments
-var_stream_map '{{ varmaps | join(" ") }}'
"{{ hls_write_path }}/{{ stream }}/chunks_%v.m3u8"
""")
fanout_utils.call(command)
def generate_master_playlists(c):
for video_track, audio_track in itertools.product(c.video_tracks, c.audio_tracks):
playlist_context = c + {
"video_track": video_track,
"audio_track": audio_track,
}
master_playlist = fanout_utils.format_and_strip(playlist_context, """
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="audio",NAME="Untranslated",DEFAULT={{ 'YES' if audio_track == 'Native' else 'NO' }}
{% if 'Translated' in audio_tracks %}
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="audio",NAME="Translation 1",DEFAULT={{ 'YES' if audio_track == 'Translated' else 'NO' }},URI="chunks_{{ first_audio_stream_index+0 }}.m3u8"
{% endif %}
{% if 'Translated-2' in audio_tracks %}
#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="audio",NAME="Translation 2",DEFAULT={{ 'YES' if audio_track == 'Translated-2' else 'NO' }},URI="chunks_{{ first_audio_stream_index+1 }}.m3u8"
{% endif %}
{% if video_track in ['HD'] %}
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=5000000,RESOLUTION=1920x1080,CODECS="avc1.4d0028,mp4a.40.2",AUDIO="audio"
chunks_0.m3u8
{% endif %}
{% if 'SD' in video_tracks and video_track in ['HD', 'SD'] %}
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=800000,RESOLUTION=1024x576,CODECS="avc1.4d0028,mp4a.40.2",AUDIO="audio"
chunks_1.m3u8
{% endif %}
{% if 'Slides' in video_tracks and video_track in ['HD', 'SD', 'Slides'] %}
#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=100000,RESOLUTION=1024x576,CODECS="avc1.4d0028,mp4a.40.2",AUDIO="audio"
chunks_2.m3u8
{% endif %}
""")
master_playlist_file = os.path.join(
c.hls_write_path,
c.stream,
"%s_%s.m3u8" % (audio_track.lower(), video_track.lower())
)
print("Writing Master Playlist-File %s" % master_playlist_file)
with open(master_playlist_file, "w") as f:
f.write(master_playlist)
def fanout_webm(context):
command = fanout_utils.format_and_strip(context, """
ffmpeg -v warning -nostats -nostdin -y -analyzeduration 3000000
-i {{ pull_url }}
{% for audio_track in audio_tracks %}
{% for video_track in video_tracks %}
-c:v copy
-c:a copy
{% if video_track == 'HD' %}
-map 0:v:0
{% elif video_track == 'SD' %}
-map 0:v:1
{% elif video_track == 'Slides' %}
-map 0:v:2
{% endif %}
{% if audio_track == 'Native' %}
-map 0:a:0
{% elif audio_track == 'Translated' %}
-map 0:a:1
{% elif audio_track == 'Translated-2' %}
-map 0:a:2
{% endif %}
-f webm
-cluster_size_limit 3M
-cluster_time_limit 3500
-content_type video/webm
-password {{ icecast_password }}
icecast://{{ push_endpoint }}/{{ stream }}_{{ audio_track | lower }}_{{ video_track | lower }}.webm
{% endfor %}
{% endfor %}
""")
fanout_utils.call(command)