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Made HLS stream adaptive. #688

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Oct 26, 2020
Merged

Made HLS stream adaptive. #688

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22 changes: 19 additions & 3 deletions src/modules/octopi/filesystem/root/etc/systemd/system/ffmpeg_hls.service
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Original file line number Diff line number Diff line change
Expand Up @@ -9,26 +9,42 @@ RestartSec=5
Nice=10
ExecStartPre=/bin/rm -rf /tmp/webcam
ExecStartPre=/bin/mkdir -p /tmp/webcam/hls
ExecStartPre=/bin/mkdir -p /tmp/webcam/hls/240p
ExecStartPre=/bin/mkdir -p /tmp/webcam/hls/480p
ExecStartPre=/bin/mkdir -p /tmp/webcam/jpeg
ExecStartPre=/bin/cp /var/lib/ffmpeg_hls/stream.m3u8 /tmp/webcam/hls/stream.m3u8

ExecStart=/usr/bin/ffmpeg \
\
-framerate 30 -video_size 800x600 \
-framerate 30 -video_size 640x480 \
-i /dev/video0 \
-pix_fmt yuv420p \
\
-c:v mjpeg -q:v 0 \
-f image2 -update 1 -atomic_writing 1 \
/tmp/webcam/jpeg/frame.jpg \
\
-c:v h264_omx -profile:v high \
-b:v 2048k -flags +cgop \
-b:v 1264k -flags +cgop \
-g 30 -keyint_min 30 \
\
-f hls -hls_time 1 \
-hls_flags delete_segments+program_date_time+temp_file+independent_segments \
-hls_allow_cache 0 -hls_segment_type fmp4 \
-hls_list_size 32 -hls_delete_threshold 64 \
/tmp/webcam/hls/stream.m3u8
/tmp/webcam/hls/480p/stream.m3u8 \
\
-vf scale=-1:240 \
\
-c:v h264_omx -profile:v high \
-b:v 240k -flags +cgop \
-g 30 -keyint_min 30 \
\
-f hls -hls_time 1 \
-hls_flags delete_segments+program_date_time+temp_file+independent_segments \
-hls_allow_cache 0 -hls_segment_type fmp4 \
-hls_list_size 32 -hls_delete_threshold 64 \
/tmp/webcam/hls/240p/stream.m3u8

[Install]
WantedBy=multi-user.target
6 changes: 6 additions & 0 deletions src/modules/octopi/filesystem/root/var/lib/ffmpeg_hls/stream.m3u8
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-STREAM-INF:BANDWIDTH=245760,RESOLUTION=320x240
240p/stream.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=1294336,RESOLUTION=640x480
480p/stream.m3u8