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| #!/bin/bash | |
| # https://devblogs.nvidia.com/nvidia-ffmpeg-transcoding-guide/ | |
| ga=$(pactl list sources | grep Name | sed 's/.*Name: //' | grep analog-stereo | grep -v monitor) | |
| vo=$(pactl list sources | grep Name | sed 's/.*Name: //' | grep USB) | |
| vc=$(pactl list sources | grep Name | sed 's/.*Name: //' | grep analog-stereo.monitor) | |
| qp=36 | |
| input_pre="-use_wallclock_as_timestamps 1 -thread_queue_size 1024" | |
| soundin="-f pulse $input_pre -i $ga" | |
| numsound=1 | |
| soundfilter_body="[1:a]volume=5dB[ag];" # for game | |
| soundfilter_post="[ag]" | |
| caption="game" | |
| gop="-g 15 -strict_gop 1" | |
| ll="info" | |
| while [[ $# -gt 0 ]] | |
| do | |
| case $1 in | |
| --caption) | |
| caption="$2" | |
| shift # past argument | |
| shift # past value | |
| ;; | |
| --qp) | |
| qp="$2" | |
| shift # past argument | |
| shift # past value | |
| ;; | |
| --voice) | |
| soundin="$soundin -f pulse ${input_pre} -i $vo" | |
| numsound=$((numsound+1)) | |
| soundfilter_body="$soundfilter_body \ | |
| [${numsound}:a]volume=9dB,compand=.3|.3:.8|.8:-900/-900|-38.1/-900|-38/-38|20/20:.01:0:-90:.1[av];" | |
| soundfilter_post="${soundfilter_post}[av]" | |
| shift # past argument | |
| ;; | |
| --monitor) | |
| soundin="$soundin -f pulse $input_pre -i $vc" | |
| numsound=$((numsound+1)) | |
| soundfilter_body="$soundfilter_body [${numsound}:a]volume=16dB[am];" | |
| soundfilter_post="${soundfilter_post}[am]" | |
| shift # past argument | |
| ;; | |
| --debug) | |
| ll="debug" | |
| shift # past argument | |
| ;; | |
| --live) | |
| read -p "Do you really want to stream live video on youtube? <y/N> " prompt | |
| if [[ ! $prompt =~ ^[yY](es)*$ ]]; then exit 1; fi | |
| dst="\ | |
| -f flv pipe: | \ | |
| ffmpeg -err_detect ignore_err -re -i - -c copy \ | |
| -f fifo -fifo_format flv -map 0:v -map 0:a -queue_size 4096 \ | |
| -drop_pkts_on_overflow 1 -attempt_recovery 1 -recovery_wait_time 1 \ | |
| `cat ~/streamurl`" | |
| gop="-g 1" | |
| shift # past argument | |
| ;; | |
| *) | |
| echo "??? $1" | |
| exit 1 | |
| ;; | |
| esac | |
| done | |
| soundfilter="${soundfilter_body}${soundfilter_post}amix=inputs=${numsound}[aout]" | |
| start=$(date +%H:%M) | |
| file="/tmp/cap_${caption}_${start}.mp4" | |
| dst=${dst:-"-movflags faststart $file"} | |
| set -x | |
| eval "ffmpeg -hide_banner -loglevel ${ll} -threads 2 -vsync:v passthrough \ | |
| -hwaccel cuvid -c:v mjpeg_cuvid -resize 1280x720 \ | |
| ${input_pre} -i 'udp://127.0.0.1:4096?overrun_nonfatal=1&pkt_size=9000&fifo_size=4096&timeout=100000' \ | |
| ${soundin} \ | |
| -r 30 -c:v h264_nvenc -profile:v high -preset slow \ | |
| -surfaces 40 -rc-lookahead 30 -bf 2 \ | |
| -temporal-aq 1 -spatial-aq 1 -b_ref_mode:v middle \ | |
| -rc:v constqp -qp ${qp@Q} -minrate 10 -maxrate 6M -bufsize 12M \ | |
| -flags cgop $gop -coder:v cabac \ | |
| -filter_complex ${soundfilter@Q} \ | |
| -c:a aac -ac 2 -ar 48000 -b:a 192k \ | |
| -map 0:v -map '[aout]' \ | |
| ${dst}" | |
| set +x | |
| end=$(date +%H:%M) | |
| mv $file "/tmp/cap_${caption}_${start}-${end}.mp4" | |
| #-temporal-aq 1 -spatial-aq 1 -b_ref_mode:v middle -weighted_pred 1 | |
| #-b:a 192k -q:a 2 | |
| #Encoder h264_nvenc [NVIDIA NVENC H.264 encoder]: | |
| # General capabilities: delay | |
| # Threading capabilities: none | |
| # Supported pixel formats: yuv420p nv12 p010le yuv444p p016le yuv444p16le bgr0 rgb0 cuda | |
| #h264_nvenc AVOptions: | |
| # -preset <int> E..V..... Set the encoding preset (from 0 to 11) (default medium) | |
| # default E..V..... | |
| # slow E..V..... hq 2 passes | |
| # medium E..V..... hq 1 pass | |
| # fast E..V..... hp 1 pass | |
| # hp E..V..... | |
| # hq E..V..... | |
| # bd E..V..... | |
| # ll E..V..... low latency | |
| # llhq E..V..... low latency hq | |
| # llhp E..V..... low latency hp | |
| # lossless E..V..... | |
| # losslesshp E..V..... | |
| # -profile <int> E..V..... Set the encoding profile (from 0 to 3) (default main) | |
| # baseline E..V..... | |
| # main E..V..... | |
| # high E..V..... | |
| # high444p E..V..... | |
| # -level <int> E..V..... Set the encoding level restriction (from 0 to 51) (default auto) | |
| # 4.1 E..V..... | |
| # -rc <int> E..V..... Override the preset rate-control (from -1 to INT_MAX) (default -1) | |
| # constqp E..V..... Constant QP mode | |
| # vbr E..V..... Variable bitrate mode | |
| # cbr E..V..... Constant bitrate mode | |
| # cbr_ld_hq E..V..... Constant bitrate low delay high quality mode | |
| # cbr_hq E..V..... Constant bitrate high quality mode | |
| # vbr_hq E..V..... Variable bitrate high quality mode | |
| # -rc-lookahead <int> E..V..... Number of frames to look ahead for rate-control (from 0 to INT_MAX) (default 0) | |
| # -surfaces <int> E..V..... Number of concurrent surfaces (from 0 to 64) (default 0) | |
| # -cbr <boolean> E..V..... Use cbr encoding mode (default false) | |
| # -2pass <boolean> E..V..... Use 2pass encoding mode (default auto) | |
| # -gpu <int> E..V..... Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on. (from -2 to INT_MAX) (default any) | |
| # any E..V..... Pick the first device available | |
| # list E..V..... List the available devices | |
| # -delay <int> E..V..... Delay frame output by the given amount of frames (from 0 to INT_MAX) (default INT_MAX) | |
| # -no-scenecut <boolean> E..V..... When lookahead is enabled, set this to 1 to disable adaptive I-frame insertion at scene cuts (default false) | |
| # -forced-idr <boolean> E..V..... If forcing keyframes, force them as IDR frames. (default false) | |
| # -b_adapt <boolean> E..V..... When lookahead is enabled, set this to 0 to disable adaptive B-frame decision (default true) | |
| # -spatial-aq <boolean> E..V..... set to 1 to enable Spatial AQ (default false) | |
| # -temporal-aq <boolean> E..V..... set to 1 to enable Temporal AQ (default false) | |
| # -zerolatency <boolean> E..V..... Set 1 to indicate zero latency operation (no reordering delay) (default false) | |
| # -nonref_p <boolean> E..V..... Set this to 1 to enable automatic insertion of non-reference P-frames (default false) | |
| # -strict_gop <boolean> E..V..... Set 1 to minimize GOP-to-GOP rate fluctuations (default false) | |
| # -aq-strength <int> E..V..... When Spatial AQ is enabled, this field is used to specify AQ strength. AQ strength scale is from 1 (low) - 15 (aggressive) (from 1 to 15) (default 8) | |
| # -cq <float> E..V..... Set target quality level (0 to 51, 0 means automatic) for constant quality mode in VBR rate control (from 0 to 51) (default 0) | |
| # -aud <boolean> E..V..... Use access unit delimiters (default false) | |
| # -bluray-compat <boolean> E..V..... Bluray compatibility workarounds (default false) | |
| # -init_qpP <int> E..V..... Initial QP value for P frame (from -1 to 51) (default -1) | |
| # -init_qpB <int> E..V..... Initial QP value for B frame (from -1 to 51) (default -1) | |
| # -init_qpI <int> E..V..... Initial QP value for I frame (from -1 to 51) (default -1) | |
| # -qp <int> E..V..... Constant quantization parameter rate control method (from -1 to 51) (default -1) | |
| # -weighted_pred <int> E..V..... Set 1 to enable weighted prediction (from 0 to 1) (default 0) | |
| # -coder <int> E..V..... Coder type (from -1 to 2) (default default) | |
| # default E..V..... | |
| # auto E..V..... | |
| # cabac E..V..... | |
| # cavlc E..V..... | |
| # ac E..V..... | |
| # vlc E..V..... | |
| # -b_ref_mode <int> E..V..... Use B frames as references (from 0 to 2) (default disabled) | |
| # disabled E..V..... B frames will not be used for reference | |
| # each E..V..... Each B frame will be used for reference | |
| # middle E..V..... Only (number of B frames)/2 will be used for reference | |
| #Decoder mjpeg_cuvid [Nvidia CUVID MJPEG decoder]: | |
| # General capabilities: delay avoidprobe hardware | |
| # Threading capabilities: none | |
| # Supported hardware devices: cuda | |
| # Supported pixel formats: cuda nv12 p010le p016le | |
| #mjpeg_cuvid AVOptions: | |
| # -deint <int> .D.V..... Set deinterlacing mode (from 0 to 2) (default weave) | |
| # weave .D.V..... Weave deinterlacing (do nothing) | |
| # bob .D.V..... Bob deinterlacing | |
| # adaptive .D.V..... Adaptive deinterlacing | |
| # -gpu <string> .D.V..... GPU to be used for decoding | |
| # -surfaces <int> .D.V..... Maximum surfaces to be used for decoding (from 0 to INT_MAX) (default 25) | |
| # -drop_second_field <boolean> .D.V..... Drop second field when deinterlacing (default false) | |
| # -crop <string> .D.V..... Crop (top)x(bottom)x(left)x(right) | |
| # -resize <string> .D.V..... Resize (width)x(height) | |
| # |
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