diff --git a/stream_v4l_device.sh b/stream_v4l_device.sh
index 3e2a4da..335c200 100755
--- a/stream_v4l_device.sh
+++ b/stream_v4l_device.sh
@@ -79,12 +79,38 @@ ffmpeg \
 -pixel_format yuv420p \
 -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]" \
 -codec:v libx264 \
--preset fast \
+-preset superfast \
 -x264opts nal-hrd=cbr:force-cfr=1:vbv-bufsize=${BUFFERSIZE}:bitrate=${VBITRATE}:vbv-maxrate=${VBITRATE} \
 -c:a aac -b:a ${ABITRATE}k \
--g 1 -segment_format_options movflags=+frag_keyframe+empty_moov+default_base_moof -segment_time 5 -f segment \
 -flags +global_header \
--map '[out1]' -s ${LIVE_RESOLUTION} -map 1:a -f flv ${URL} \
--map '[out2]' -s ${REPLAY_RESOLUTION} -map 1:a -f matroska \
+-map '[out1]' -s ${LIVE_RESOLUTION} -c:v libx264 -b:v 1024k -maxrate:v 1280k -g:v 48 \
+-keyint_min:v 48 -r:v 24 -x264-params:v scenecut=0:open_gop=0 -bufsize:v 1280k -profile:v high \
+-map 1:a -f flv ${URL} \
+-map '[out2]' -s ${REPLAY_RESOLUTION} -c:v libx264 -b:v 2048k -maxrate:v 3072k -g:v 48 \
+-keyint_min:v 48 -r:v 24 -x264-params:v scenecut=0:open_gop=0 -bufsize:v 3072k -profile:v high \
+-map 1:a -f matroska \
 -f segment -segment_time 10:00 -reset_timestamps 1 \
 -strftime 1 "${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
+