From 206a7c35939e9dfba428792895d373f2643d4688 Mon Sep 17 00:00:00 2001
From: douzeb <fabrice.bellamy@distrilab.fr>
Date: Wed, 8 Mar 2023 05:30:17 +0100
Subject: [PATCH] WIP

---
 stream_v4l_device.sh | 76 +++++++++++++++++++++++---------------------
 1 file changed, 39 insertions(+), 37 deletions(-)

diff --git a/stream_v4l_device.sh b/stream_v4l_device.sh
index 8eb874d..cbb3722 100755
--- a/stream_v4l_device.sh
+++ b/stream_v4l_device.sh
@@ -41,55 +41,57 @@ echo Will stream to $URL
 echo and save a copy of the data file :
 echo $FILENAME
 
-# A la ligne xx, utiliser cette ligne pour avoir un son de test généré par ffmpeg : 
+# A la ligne xx, utiliser ces lignes pour avoir un son de test généré par ffmpeg : 
 # -f lavfi -i aevalsrc="(1-min(1\,mod(floor(5*t)\,50)))*0.1*sin(8*PI*(360-2.5/2)*t)+0.1*sin(2*PI*(360-2.5/2)*t)|(1-min(1\,mod(floor(5*t)\,50)))*0.1*sin(8*PI*(360+2.5/2)*t)+0.1*sin(2*PI*(360+2.5/2)*t):sample_rate=48000" \
+# -ar 48000 \
+# -channel_layout stereo \
+# -c:a aac -b:a ${ABITRATE}k \
 
-# A la ligne xx, utiliser cette ligne pour avoir le son de la caméra : 
-#-f alsa -ac 2 -i hw:CARD=CAMERA,DEV=${V4LDEVICE} \
-
-# A la ligne xx, utiliser cette ligne pour avoir le son d'une web radio : 
-#-f ogg -ac 2 -i http://91.121.159.124:8000/eko-des-garrigues-96k.ogg \
+# A la ligne xx, utiliser ces lignes pour avoir le son de la caméra : 
+# -f alsa -ac 2 -i hw:CARD=CAMERA,DEV=${V4LDEVICE} \
+# -c:a copy \
 
+# A la ligne xx, utiliser ces lignes pour avoir le son d'une web radio : 
+# -f aac -ac 2 -i http://91.121.159.124:8000/eko-des-garrigues-48k.aac \
+# -c:a copy \
 
 
 ffmpeg \
 -loglevel level \
 -y \
 -f v4l2 -framerate 30 -video_size ${REPLAY_RESOLUTION} -input_format mjpeg -i /dev/video${V4LDEVICE} \
--f ogg -ac 2 -i http://91.121.159.124:8000/eko-des-garrigues-96k.ogg \
--channel_layout stereo \
--ar 48000 \
--filter_complex "[1:a]volume=-10dB;[0:v]drawtext='font=DejaVuSansMono:text=%{pts}: fontcolor=white: fontsize=h/12: box=1: boxcolor=black@0.43: boxborderw=5: x=mod(floor(t/10+1)\,2)*mod(t*(w-text_w)/10\,w-text_w)+mod(floor(t/10)\,2)*(w-text_w-mod(t*(w-text_w)/10\,w-text_w)): y=text_h/2', drawtext='font=DejaVuSansMono:text=%{localtime}: fontcolor=white: fontsize=h/20: box=1: boxcolor=black@0.43: boxborderw=5: x=text_h: y=h-3*text_h/2', split=2[out1][out2]" \
--c:a aac -b:a ${ABITRATE}k \
--flags +global_header \
--map '[out1]' -s ${LIVE_RESOLUTION} -c:v libx264 -b:v ${LIVE_AVBR}k -maxrate:v ${LIVE_MVBR}k -g:v ${KEYFRAMEINTERVAL} \
--keyint_min:v ${KEYFRAMEINTERVAL} -r:v ${FPS} -x264-params:v scenecut=0:open_gop=0 -bufsize:v 1280k -profile:v high \
--map 1:a -pix_fmt yuv420p -f flv ${URL} \
--map '[out2]' -s ${REPLAY_RESOLUTION} -c:v libx264 -b:v ${REPLAY_AVBR}k -maxrate:v ${REPLAY_MVBR}k -g:v ${KEYFRAMEINTERVAL} \
--keyint_min:v ${KEYFRAMEINTERVAL} -r:v ${FPS} -x264-params:v scenecut=0:open_gop=0 -bufsize:v 3072k -profile:v high \
--map 1:a -pix_fmt yuv420p -f matroska \
--f segment -segment_time 10:00 -reset_timestamps 1 \
--strftime 1 "${FILENAME}_%Y-%m-%d_%H-%M-%S.mkv"
+-f aac -ac 2 -i http://91.121.159.124:8000/eko-des-garrigues-48k.aac \
+-c:a copy \
+-filter_complex "[0:v]drawtext='font=DejaVuSansMono:text=%{pts}: fontcolor=white: fontsize=h/24: box=1: boxcolor=black@0.43: boxborderw=5: x=mod(floor(t/10+1)\,2)*mod(t*(w-text_w)/10\,w-text_w)+mod(floor(t/10)\,2)*(w-text_w-mod(t*(w-text_w)/10\,w-text_w)): y=text_h/2', drawtext='font=DejaVuSansMono:text=%{localtime}: fontcolor=white: fontsize=h/20: box=1: boxcolor=black@0.43: boxborderw=5: x=text_h: y=h-3*text_h/2', split=2[out1][out2]" \
+-flags +global_header -preset superfast \
+-map '[out1]' -pix_fmt yuv420p -s ${LIVE_RESOLUTION} -c:v libx264 -b:v ${LIVE_AVBR}k -maxrate:v ${LIVE_MVBR}k -g:v ${KEYFRAMEINTERVAL} \
+-keyint_min:v ${KEYFRAMEINTERVAL} -r:v ${FPS} -x264-params:v scenecut=0:open_gop=0 -bufsize:v 4096k -profile:v high \
+-map 1:a \
+-f flv ${URL} \
+-map '[out2]' -pix_fmt yuv420p -s ${REPLAY_RESOLUTION} -c:v libx264 -b:v ${LIVE_AVBR}k -maxrate:v ${LIVE_MVBR}k -g:v ${KEYFRAMEINTERVAL} \
+-keyint_min:v ${KEYFRAMEINTERVAL} -r:v ${FPS} -x264-params:v scenecut=0:open_gop=0 -bufsize:v 8192k -profile:v high \
+-map 1:a \
+-f matroska -f segment -segment_time 10:00 -reset_timestamps 1 -strftime 1 "${FILENAME}_%Y-%m-%d_%H-%M-%S.mkv"
 
 
 
 # Notes
 # Commande ffmpeg utilisée par own_cast
-echo /usr/bin/ffmpeg -hide_banner -loglevel warning \
--fflags +genpts \
--i pipe:0 -map v:0 \
--c:v:0 libx264 -b:v:0 1008k -maxrate:v:0 1088k -g:v:0 48 -keyint_min:v:0 48 -r:v:0 24 \
--x264-params:v:0 scenecut=0:open_gop=0 -bufsize:v:0 1088k -profile:v:0 high \
--map a:0? -c:a:0 copy \
--preset superfast \
--var_stream_map v:0,a:0 \
--f hls -hls_time 2 -hls_list_size 15 -hls_flags program_date_time+independent_segments+omit_endlist \
--segment_format_options mpegts_flags=mpegts_copyts=1 \
--tune zerolatency \
--pix_fmt yuv420p \
--sc_threshold 0 \
--master_pl_name stream.m3u8 \
--hls_segment_filename http://127.0.0.1:45627/%v/stream--KmjKxb4g-%d.ts \
--max_muxing_queue_size 400 \
--method PUT http://127.0.0.1:45627/%v/stream.m3u8
+#/usr/bin/ffmpeg -hide_banner -loglevel warning \
+#-fflags +genpts \
+#-i pipe:0 -map v:0 \
+#-c:v:0 libx264 -b:v:0 1008k -maxrate:v:0 1088k -g:v:0 48 -keyint_min:v:0 48 -r:v:0 24 \
+#-x264-params:v:0 scenecut=0:open_gop=0 -bufsize:v:0 1088k -profile:v:0 high \
+#-map a:0? -c:a:0 copy \
+#-preset superfast \
+#-var_stream_map v:0,a:0 \
+#-f hls -hls_time 2 -hls_list_size 15 -hls_flags program_date_time+independent_segments+omit_endlist \
+#-segment_format_options mpegts_flags=mpegts_copyts=1 \
+#-tune zerolatency \
+#-pix_fmt yuv420p \
+#-sc_threshold 0 \
+#-master_pl_name stream.m3u8 \
+#-hls_segment_filename http://127.0.0.1:45627/%v/stream--KmjKxb4g-%d.ts \
+#-max_muxing_queue_size 400 \
+#-method PUT http://127.0.0.1:45627/%v/stream.m3u8