354 lines
9.0 KiB
Bash
354 lines
9.0 KiB
Bash
#!/usr/bin/env bash
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#
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set -euo pipefail
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IFS=$'\n\t'
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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function main {
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local cmd
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cmd=$1
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shift
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if [ "$cmd" = "copy" ]; then
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copy "${@}"
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elif [ "$cmd" = "stream_software_h264" ]; then
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stream_software_h264 "${@}"
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elif [ "$cmd" = "stream_hardware_h264" ]; then
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stream_hardware_h264 "${@}"
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elif [ "$cmd" = "preprocess_software_h264" ]; then
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preprocess_software_h264 "${@}"
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elif [ "$cmd" = "preprocess_hardware_h264" ]; then
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preprocess_hardware_h264 "${@}"
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elif [ "$cmd" = "vp9" ]; then
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vp9 "${@}"
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elif [ "$cmd" = "preprocess_hardware_vp9" ]; then
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preprocess_hardware_vp9 "${@}"
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elif [ "$cmd" = "vp8" ]; then
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vp8 "${@}"
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elif [ "$cmd" = "software_vp8" ]; then
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software_vp8 "${@}"
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elif [ "$cmd" = "preprocess_h264" ]; then
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preprocess_h264 "${@}"
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elif [ "$cmd" = "preprocess_vp8" ]; then
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preprocess_vp8 "${@}"
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elif [ "$cmd" = "webcam" ]; then
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webcam "${@}"
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elif [ "$cmd" = "encode_webcam" ]; then
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encode_webcam "${@}"
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else
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(>&2 echo "Unknown command: $cmd")
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exit 1
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fi
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}
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function copy {
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local file_to_cast
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file_to_cast="$3"
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local USERNAME PASSWORD
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USERNAME="$1"
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PASSWORD="$2"
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set -x
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</dev/null exec ffmpeg \
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-re \
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-stream_loop -1 \
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-i "$file_to_cast" \
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-c copy \
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-strict experimental \
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-f rtsp \
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-rtsp_transport tcp \
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"rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
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}
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function stream_software_h264 {
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local file_to_cast
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file_to_cast="$3"
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local USERNAME PASSWORD
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USERNAME="$1"
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PASSWORD="$2"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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</dev/null exec ffmpeg \
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-re \
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-stream_loop -1 \
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-i "$file_to_cast" \
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-c:v h264 \
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-b:v 2M \
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-profile:v high \
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-bf 0 \
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-strict -2 \
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-c:a opus \
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-ac 2 \
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-b:a 320k \
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-ar 48000 \
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-f rtsp \
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-rtsp_transport tcp \
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"rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
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}
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function stream_hardware_h264 {
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local file_to_cast
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file_to_cast="$3"
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local USERNAME PASSWORD
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USERNAME="$1"
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PASSWORD="$2"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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</dev/null exec ffmpeg \
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-re \
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-stream_loop -1 \
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-vaapi_device /dev/dri/renderD128 \
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-i "$file_to_cast" \
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-vf 'format=nv12|vaapi,hwupload' \
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-c:v h264_vaapi \
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-b:v 2M \
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-profile:v high \
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-bf 0 \
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-strict -2 \
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-c:a opus \
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-ac 2 \
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-b:a 320k \
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-ar 48000 \
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-f rtsp \
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-rtsp_transport tcp \
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"rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
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}
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function preprocess_software_h264 {
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local file_to_cast file_to_save
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file_to_cast="$1"
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file_to_save="$2"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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</dev/null exec ffmpeg \
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-i "$file_to_cast" \
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-c:v h264 \
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-b:v 2M \
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-profile:v high \
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-bf 0 \
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-strict -2 \
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-c:a opus \
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-ac 2 \
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-b:a 320k \
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-ar 48000 \
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"$file_to_save"
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}
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function preprocess_hardware_h264 {
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local file_to_cast file_to_save
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file_to_cast="$1"
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file_to_save="$2"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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</dev/null exec ffmpeg \
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-vaapi_device /dev/dri/renderD128 \
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-i "$file_to_cast" \
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-vf 'format=nv12,hwupload' \
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-c:v h264_vaapi \
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-b:v 2M \
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-profile:v high \
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-bf 0 \
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-strict -2 \
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-c:a opus \
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-ac 2 \
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-b:a 320k \
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-ar 48000 \
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"$file_to_save"
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}
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function vp9 {
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local file_to_cast
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file_to_cast="$3"
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local USERNAME PASSWORD
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USERNAME="$1"
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PASSWORD="$2"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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</dev/null exec ffmpeg \
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-re \
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-stream_loop -1 \
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-init_hw_device vaapi=foo:/dev/dri/renderD128 \
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-hwaccel vaapi \
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-hwaccel_output_format vaapi \
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-hwaccel_device foo \
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-i "$file_to_cast" \
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-filter_hw_device foo \
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-vf 'format=nv12|vaapi,hwupload' \
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-c:v vp9_vaapi \
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-bf 0 \
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-strict -2 \
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-c:a opus \
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-b:a 320k \
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-ar 48000 \
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-f rtsp \
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-rtsp_transport tcp \
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"rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
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}
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function preprocess_hardware_vp9 {
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local file_to_cast file_to_save
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file_to_cast="$1"
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file_to_save="$2"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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</dev/null exec ffmpeg \
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-init_hw_device vaapi=foo:/dev/dri/renderD128 \
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-hwaccel vaapi \
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-hwaccel_output_format vaapi \
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-hwaccel_device foo \
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-i "$file_to_cast" \
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-filter_hw_device foo \
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-vf 'format=nv12|vaapi,hwupload' \
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-c:v vp9_vaapi \
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-bf 0 \
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-strict -2 \
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-c:a opus \
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-b:a 320k \
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-ar 48000 \
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"$file_to_save"
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}
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function software_vp8 {
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local USERNAME PASSWORD
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USERNAME="$1"
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PASSWORD="$2"
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local file_to_cast
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file_to_cast="$3"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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# -strict -2 :: Enable support for experimental codecs like opus.
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# -b:v 2M :: Target 2 megabit/s
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# -crf 10 :: Target a quality level and adjust bitrate accordingly. This should be preferred, but ideally both should be used.
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</dev/null exec ffmpeg \
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-re \
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-stream_loop -1 \
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-i "$file_to_cast" \
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-c:v vp8 \
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-b:v 2M \
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-crf 10 \
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-bf 0 \
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-c:a opus \
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-b:a 320k \
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-ar 48000 \
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-strict -2 \
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-f rtsp \
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-rtsp_transport tcp \
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"rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
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}
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function preprocess_vp8 {
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local file_to_cast file_to_save
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file_to_cast="$1"
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file_to_save="$2"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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# -strict -2 :: Enable support for experimental codecs like opus.
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# -b:v 2M :: Target 2 megabit/s
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# -crf 10 :: Target a quality level and adjust bitrate accordingly. This should be preferred, but ideally both should be used.
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</dev/null exec ffmpeg \
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-i "$file_to_cast" \
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-c:v vp8 \
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-b:v 2M \
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-crf 10 \
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-bf 0 \
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-c:a opus \
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-b:a 320k \
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-ar 48000 \
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-strict -2 \
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"$file_to_save"
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}
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function webcam {
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# Uses on-webcam h264 encoding.
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local USERNAME PASSWORD
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USERNAME="$1"
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PASSWORD="$2"
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set -x
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</dev/null exec ffmpeg \
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-re \
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-input_format h264 \
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-video_size 1920x1080 \
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-i /dev/video0 \
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-c:v copy \
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-an \
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-f rtsp \
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-rtsp_transport tcp \
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"rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
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}
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function encode_webcam {
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# Uses hardware accelerated gpu-based encoding.
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local USERNAME PASSWORD
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USERNAME="$1"
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PASSWORD="$2"
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set -x
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</dev/null exec ffmpeg \
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-re \
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-vaapi_device /dev/dri/renderD128 \
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-i /dev/video0 \
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-vf 'format=nv12,hwupload' \
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-c:v h264_vaapi \
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-an \
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-f rtsp \
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-rtsp_transport tcp \
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"rtsp://$USERNAME:$PASSWORD@172.16.16.251:8554/fetch"
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}
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function speed_up_preprocess_vp8 {
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local file_to_cast file_to_save
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file_to_cast="$1"
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file_to_save="$2"
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set -x
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# -bf 0 :: Disable b-frames because webrtc doesn't support h264 streams with b-frames.
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# -strict -2 :: Enable support for experimental codecs like opus.
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# -b:v 2M :: Target 2 megabit/s
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# -crf 10 :: Target a quality level and adjust bitrate accordingly. This should be preferred, but ideally both should be used.
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# Could also use -filter_complex "[0:v]setpts=0.5*PTS[v];[0:a]atempo=2.0[a]" -map "[v]" -map "[a]"
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</dev/null exec ffmpeg \
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-i "$file_to_cast" \
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-filter:v "setpts=0.66666666*PTS" \
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-filter:a "atempo=1.5" \
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-c:v vp8 \
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-b:v 2M \
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-crf 10 \
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-bf 0 \
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-c:a opus \
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-b:a 320k \
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-ar 48000 \
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-strict -2 \
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"$file_to_save"
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}
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main "${@}"
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