av/cmd/revid-cli/main.go

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/*
NAME
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revid-cli - command line interface for Revid.
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DESCRIPTION
See Readme.md
AUTHORS
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Saxon A. Nelson-Milton <saxon@ausocean.org>
Jack Richardson <jack@ausocean.org>
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LICENSE
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revid-cli is Copyright (C) 2017-2018 the Australian Ocean Lab (AusOcean)
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It is free software: you can redistribute it and/or modify them
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with revid in gpl.txt. If not, see http://www.gnu.org/licenses.
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*/
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package main
import (
"flag"
"os"
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"runtime/pprof"
"strconv"
"strings"
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"time"
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"bitbucket.org/ausocean/av/revid"
"bitbucket.org/ausocean/av/stream/mts"
"bitbucket.org/ausocean/av/stream/mts/meta"
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"bitbucket.org/ausocean/iot/pi/netsender"
"bitbucket.org/ausocean/iot/pi/sds"
"bitbucket.org/ausocean/iot/pi/smartlogger"
"bitbucket.org/ausocean/utils/logger"
)
// Revid modes
const (
normal = "Normal"
paused = "Paused"
burst = "Burst"
)
// Other misc consts
const (
netSendRetryTime = 5 * time.Second
defaultRunDuration = 24 * time.Hour
revidStopTime = 5 * time.Second
defaultLogPath = "/var/log/netsender"
pkg = "revid-cli:"
defaultLogVerbosity = logger.Info
defaultSleepTime = 60 // Seconds
)
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// canProfile is set to false with revid-cli is built with "-tags profile".
var canProfile = true
// The logger that will be used throughout.
var log *logger.Logger
const (
metaPreambleKey = "copyright"
metaPreambleData = "ausocean.org/license/content2019"
)
func main() {
mts.Meta = meta.NewWith([][2]string{{metaPreambleKey, metaPreambleData}})
useNetsender := flag.Bool("NetSender", false, "Are we checking vars through netsender?")
runDurationPtr := flag.Duration("runDuration", defaultRunDuration, "How long do you want revid to run for?")
cfg := handleFlags()
if !*useNetsender {
rv, err := revid.New(cfg, nil)
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if err != nil {
cfg.Logger.Log(logger.Fatal, pkg+"failed to initialiase revid", "error", err.Error())
}
if err = rv.Start(); err != nil {
cfg.Logger.Log(logger.Fatal, pkg+"failed to start revid", "error", err.Error())
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}
time.Sleep(*runDurationPtr)
rv.Stop()
return
}
run(cfg)
}
// handleFlags parses command line flags and returns a revid configuration
// based on them.
func handleFlags() revid.Config {
var cfg revid.Config
var (
cpuprofile = flag.String("cpuprofile", "", "write cpu profile to `file`")
inputPtr = flag.String("Input", "", "The input type: Raspivid, File, Webcam")
inputCodecPtr = flag.String("InputCodec", "", "The codec of the input: H264, Mjpeg")
rtmpMethodPtr = flag.String("RtmpMethod", "", "The method used to send over rtmp: Ffmpeg, Librtmp")
packetizationPtr = flag.String("Packetization", "", "The method of data packetisation: Flv, Mpegts, None")
quantizePtr = flag.Bool("Quantize", false, "Quantize input (non-variable bitrate)")
verbosityPtr = flag.String("Verbosity", "Info", "Verbosity: Info, Warning, Error, Fatal")
framesPerClipPtr = flag.Uint("FramesPerClip", 0, "Number of frames per clip sent")
rtmpUrlPtr = flag.String("RtmpUrl", "", "Url of rtmp endpoint")
bitratePtr = flag.Uint("Bitrate", 0, "Bitrate of recorded video")
outputPathPtr = flag.String("OutputPath", "", "The directory of the output file")
inputFilePtr = flag.String("InputPath", "", "The directory of the input file")
heightPtr = flag.Uint("Height", 0, "Height in pixels")
widthPtr = flag.Uint("Width", 0, "Width in pixels")
frameRatePtr = flag.Uint("FrameRate", 0, "Frame rate of captured video")
httpAddressPtr = flag.String("HttpAddress", "", "Destination address of http posts")
quantizationPtr = flag.Uint("Quantization", 0, "Desired quantization value: 0-40")
intraRefreshPeriodPtr = flag.Uint("IntraRefreshPeriod", 0, "The IntraRefreshPeriod i.e. how many keyframes we send")
verticalFlipPtr = flag.Bool("VerticalFlip", false, "Flip video vertically: Yes, No")
horizontalFlipPtr = flag.Bool("HorizontalFlip", false, "Flip video horizontally: Yes, No")
rtpAddrPtr = flag.String("RtpAddr", "", "Rtp destination address: <IP>:<port> (port is generally 6970-6999)")
logPathPtr = flag.String("LogPath", defaultLogPath, "The log path")
configFilePtr = flag.String("ConfigFile", "", "NetSender config file")
sendRetryPtr = flag.Bool("retry", false, "Specify whether a failed send should be retried.")
brightnessPtr = flag.Uint("Brightness", 50, "Set Brightness: 0-100 ")
saturationPtr = flag.Int("Saturation", 0, "Set Saturation: -100:100")
exposurePtr = flag.String("Exposure", "auto", "Set exposure mode: "+strings.Join(revid.ExposureModes[:], ","))
autoWhiteBalancePtr = flag.String("Awb", "auto", "Set automatic white balance mode: "+strings.Join(revid.AwbModes[:], ","))
)
var outputs flagStrings
flag.Var(&outputs, "Output", "output type: Http, Rtmp, File, Udp, Rtp (may be used more than once)")
flag.Parse()
switch *verbosityPtr {
case "Debug":
cfg.LogLevel = logger.Debug
case "Info":
cfg.LogLevel = logger.Info
case "Warning":
cfg.LogLevel = logger.Warning
case "Error":
cfg.LogLevel = logger.Error
case "Fatal":
cfg.LogLevel = logger.Fatal
default:
cfg.LogLevel = defaultLogVerbosity
}
log = logger.New(cfg.LogLevel, &smartlogger.New(*logPathPtr).LogRoller)
cfg.Logger = log
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if *cpuprofile != "" {
if canProfile {
f, err := os.Create(*cpuprofile)
if err != nil {
log.Log(logger.Fatal, pkg+"could not create CPU profile", "error", err.Error())
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}
if err := pprof.StartCPUProfile(f); err != nil {
log.Log(logger.Fatal, pkg+"could not start CPU profile", "error", err.Error())
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}
defer pprof.StopCPUProfile()
} else {
log.Log(logger.Warning, pkg+"ignoring cpuprofile flag - http/pprof built in.")
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}
}
switch *inputPtr {
case "Raspivid":
cfg.Input = revid.Raspivid
case "v4l":
cfg.Input = revid.V4L
case "File":
cfg.Input = revid.File
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case "":
default:
log.Log(logger.Error, pkg+"bad input argument")
}
switch *inputCodecPtr {
case "H264":
cfg.InputCodec = revid.H264
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case "":
default:
log.Log(logger.Error, pkg+"bad input codec argument")
}
if len(outputs) == 0 {
cfg.Outputs = make([]uint8, 1)
}
for _, o := range outputs {
switch o {
case "File":
cfg.Outputs = append(cfg.Outputs, revid.File)
case "Http":
cfg.Outputs = append(cfg.Outputs, revid.Http)
case "Rtmp":
cfg.Outputs = append(cfg.Outputs, revid.Rtmp)
case "FfmpegRtmp":
cfg.Outputs = append(cfg.Outputs, revid.FfmpegRtmp)
case "Udp":
cfg.Outputs = append(cfg.Outputs, revid.Udp)
case "Rtp":
cfg.Outputs = append(cfg.Outputs, revid.Rtp)
case "":
default:
log.Log(logger.Error, pkg+"bad output argument", "arg", o)
}
}
switch *rtmpMethodPtr {
case "Ffmpeg":
cfg.RtmpMethod = revid.Ffmpeg
case "LibRtmp":
cfg.RtmpMethod = revid.LibRtmp
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case "":
default:
log.Log(logger.Error, pkg+"bad rtmp method argument")
}
switch *packetizationPtr {
case "", "None":
cfg.Packetization = revid.None
case "Mpegts":
cfg.Packetization = revid.Mpegts
case "Flv":
cfg.Packetization = revid.Flv
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default:
log.Log(logger.Error, pkg+"bad packetization argument")
}
if *configFilePtr != "" {
netsender.ConfigFile = *configFilePtr
}
cfg.Quantize = *quantizePtr
cfg.FlipHorizontal = *horizontalFlipPtr
cfg.FlipVertical = *verticalFlipPtr
cfg.FramesPerClip = *framesPerClipPtr
cfg.RtmpUrl = *rtmpUrlPtr
cfg.Bitrate = *bitratePtr
cfg.OutputPath = *outputPathPtr
cfg.InputPath = *inputFilePtr
cfg.Height = *heightPtr
cfg.Width = *widthPtr
cfg.FrameRate = *frameRatePtr
cfg.HttpAddress = *httpAddressPtr
cfg.Quantization = *quantizationPtr
cfg.IntraRefreshPeriod = *intraRefreshPeriodPtr
cfg.RtpAddress = *rtpAddrPtr
cfg.SendRetry = *sendRetryPtr
cfg.Brightness = *brightnessPtr
cfg.Saturation = *saturationPtr
cfg.Exposure = *exposurePtr
cfg.Awb = *autoWhiteBalancePtr
return cfg
}
// initialize then run the main NetSender client
func run(cfg revid.Config) {
log.Log(logger.Info, pkg+"running in NetSender mode")
var rv *revid.Revid
readPin := func(pin *netsender.Pin) error {
switch {
case pin.Name == "X23":
if rv == nil {
pin.Value = -1
}
pin.Value = rv.Bitrate()
case pin.Name[0] == 'X':
return sds.ReadSystem(pin)
default:
pin.Value = -1
}
return nil // Return error only if we want NetSender to generate an error
}
ns, err := netsender.New(log, nil, readPin, nil)
if err != nil {
log.Log(logger.Fatal, pkg+"could not initialise netsender client")
}
var vs int
for {
err = ns.Run()
if err != nil {
log.Log(logger.Error, pkg+"Run Failed. Retrying...", "error", err.Error())
time.Sleep(netSendRetryTime)
continue
}
// If var sum hasn't changed we continue.
var vars map[string]string
newVs := ns.VarSum()
if vs == newVs {
goto sleep
}
vs = newVs
vars, err = ns.Vars()
if err != nil {
log.Log(logger.Error, pkg+"netSender failed to get vars", "error", err.Error())
time.Sleep(netSendRetryTime)
continue
}
if rv == nil {
rv, err = revid.New(cfg, ns)
if err != nil {
log.Log(logger.Warning, pkg+"could not initialise revid", "error", err.Error())
goto sleep
}
}
err = rv.Update(vars)
if err != nil {
log.Log(logger.Warning, pkg+"Couldn't update revid", "error", err.Error())
goto sleep
}
switch ns.Mode() {
case paused:
rv.Stop()
case normal:
err = rv.Start()
if err != nil {
log.Log(logger.Warning, pkg+"could not start revid", "error", err.Error())
ns.SetMode(paused, &vs)
goto sleep
}
case burst:
log.Log(logger.Info, pkg+"Starting burst...")
err = rv.Start()
if err != nil {
log.Log(logger.Warning, pkg+"could not start burst", "error", err.Error())
ns.SetMode(paused, &vs)
goto sleep
}
time.Sleep(time.Duration(rv.Config().BurstPeriod) * time.Second)
log.Log(logger.Info, pkg+"Stopping burst...")
rv.Stop()
ns.SetMode(paused, &vs)
}
sleep:
sleepTime, err := strconv.Atoi(ns.Param("mp"))
if err != nil {
log.Log(logger.Error, pkg+"could not get sleep time, using default")
sleepTime = defaultSleepTime
}
time.Sleep(time.Duration(sleepTime) * time.Second)
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}
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}
// flagStrings implements an appending string set flag.
type flagStrings []string
func (v *flagStrings) String() string {
if *v != nil {
return strings.Join(*v, ",")
}
return ""
}
func (v *flagStrings) Set(s string) error {
if s == "" {
return nil
}
for _, e := range *v {
if e == s {
return nil
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}
}
*v = append(*v, s)
return nil
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}
func (v *flagStrings) Get() interface{} { return *v }