commit a31c6967332360f85d190950bec3e57bf4275a7c Author: Kyle Isom Date: Tue Feb 22 21:14:47 2022 -0800 Initial import. diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..405aaf2 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +*.jpg +*.avi +*.zip diff --git a/README.md b/README.md new file mode 100644 index 0000000..e6c7cf5 --- /dev/null +++ b/README.md @@ -0,0 +1,24 @@ +lifecam +======= + +I was reading a [blog post](https://writings.stephenwolfram.com/2019/02/seeking-the-productive-life-some-details-of-my-personal-infrastructure/) by Stephen Wolfram: + +> But when I go to events like trade shows I typically bring a tiny +> camera with me, that takes a picture every half-minute. If I’m +> wearing one of those lanyard name tags I’ll typically clip the +> camera on the top of the name tag, among other things putting it at +> an ideal height to capture name tags of people I meet. When I write +> my personal trip report I’ll typically review the pictures, and +> sometimes copy a few into my trip notebook. + +I thought it would be cool to build something like this, and maybe use +the photos to do some interesting photo analysis. I picked up an +[OpenMV H7 R2](https://www.sparkfun.com/products/18982) with a +[wide-angle lens](https://www.sparkfun.com/products/16778). I wrote a +[quick little program](main.py) to take a picture every thirty seconds +and write it to an image directory. This code collects those images +into a video. + +I haven't used this for anything yet on account of not having a +case. I might try to replicate this with an OAK-D for the inside of my +house. diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..e3e5ae0 --- /dev/null +++ b/go.mod @@ -0,0 +1,34 @@ +module git.wntrmute.dev/kyle/lifecam + +go 1.17 + +require ( + git.sr.ht/~kisom/goutils v1.5.3 + github.com/disintegration/imaging v1.6.2 + github.com/icza/mjpeg v0.0.0-20210726201846-5ff75d3c479f + github.com/minio/minio-go/v7 v7.0.23 +) + +require ( + github.com/dustin/go-humanize v1.0.0 // indirect + github.com/google/uuid v1.1.1 // indirect + github.com/gopherjs/gopherjs v0.0.0-20220221023154-0b2280d3ff96 // indirect + github.com/json-iterator/go v1.1.10 // indirect + github.com/jtolds/gls v4.20.0+incompatible // indirect + github.com/klauspost/compress v1.13.5 // indirect + github.com/klauspost/cpuid v1.3.1 // indirect + github.com/minio/md5-simd v1.1.0 // indirect + github.com/minio/sha256-simd v0.1.1 // indirect + github.com/mitchellh/go-homedir v1.1.0 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.1 // indirect + github.com/rs/xid v1.2.1 // indirect + github.com/sirupsen/logrus v1.8.1 // indirect + github.com/smartystreets/assertions v1.2.1 // indirect + golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect + golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 // indirect + golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect + golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect + golang.org/x/text v0.3.3 // indirect + gopkg.in/ini.v1 v1.57.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..45494ff --- /dev/null +++ b/go.sum @@ -0,0 +1,149 @@ +bitbucket.org/liamstask/goose v0.0.0-20150115234039-8488cc47d90c/go.mod h1:hSVuE3qU7grINVSwrmzHfpg9k87ALBk+XaualNyUzI4= +git.sr.ht/~kisom/goutils v1.5.3 h1:Q0BI2Q8/gs5uYdi2e2op4uRt9hTLt5zgH9HdGDcx4pM= +git.sr.ht/~kisom/goutils v1.5.3/go.mod h1:azq1B7nq8lmva1FWeuw+tZ6xdJZCtJIlFskB3N2v9E4= +github.com/GeertJohan/go.incremental v1.0.0/go.mod h1:6fAjUhbVuX1KcMD3c8TEgVUqmo4seqhv0i0kdATSkM0= +github.com/GeertJohan/go.rice v1.0.0/go.mod h1:eH6gbSOAUv07dQuZVnBmoDP8mgsM1rtixis4Tib9if0= +github.com/akavel/rsrc v0.8.0/go.mod h1:uLoCtb9J+EyAqh+26kdrTgmzRBFPGOolLWKpdxkKq+c= +github.com/certifi/gocertifi v0.0.0-20180118203423-deb3ae2ef261/go.mod h1:GJKEexRPVJrBSOjoqN5VNOIKJ5Q3RViH6eu3puDRwx4= +github.com/cloudflare/backoff v0.0.0-20161212185259-647f3cdfc87a/go.mod h1:rzgs2ZOiguV6/NpiDgADjRLPNyZlApIWxKpkT+X8SdY= +github.com/cloudflare/cfssl v1.5.0/go.mod h1:sPPkBS5L8l8sRc/IOO1jG51Xb34u+TYhL6P//JdODMQ= +github.com/cloudflare/go-metrics v0.0.0-20151117154305-6a9aea36fb41/go.mod h1:eaZPlJWD+G9wseg1BuRXlHnjntPMrywMsyxf+LTOdP4= +github.com/cloudflare/redoctober v0.0.0-20171127175943-746a508df14c/go.mod h1:6Se34jNoqrd8bTxrmJB2Bg2aoZ2CdSXonils9NsiNgo= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= 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defaultConfigFile = config.DefaultConfigPath("lifecam", "lifecam.conf") + +func main() { + var err error + var minio *lifecam.Server + + clean := flag.Bool("c", false, "remove files after zipping") + cfgFile := flag.String("f", defaultConfigFile, "path to config file") + upload := flag.Bool("u", false, "upload zipfile to S3") + flag.Parse() + + if *cfgFile != "" { + err := config.LoadFile(*cfgFile) + if err != nil { + if !os.IsNotExist(err) { + die.If(err) + } + } else { + log.Println("read config file", *cfgFile) + } + } + + if *upload { + minio, err = lifecam.NewMinio() + die.If(err) + } + + paths := flag.Args() + if len(paths) == 0 { + if defaultPath := config.Get("DEFAULT_IMAGE_DIR"); defaultPath != "" { + paths = append(paths, defaultPath) + } else { + log.Println("nothing to do") + } + } + + var frameMap map[int]lifecam.FrameList + for _, path := range paths { + log.Println("loading all frames in", path) + path = filepath.Clean(path) + frameMap, err = lifecam.LoadDir(path, frameMap) + die.If(err) + } + + for _, fl := range frameMap { + pkg, err := fl.Package() + die.If(err) + err = lifecam.PackageZip(pkg, *clean) + die.If(err) + + if *upload { + path, err := pkg.Frames.Name() + die.If(err) + n, err := minio.Upload(path, lifecam.MimeZip) + die.If(err) + log.Printf("uploaded %s [%d bytes]", path, n) + } + } + log.Println("complete") +} diff --git a/lifecam/image.go b/lifecam/image.go new file mode 100644 index 0000000..67ca9f4 --- /dev/null +++ b/lifecam/image.go @@ -0,0 +1,29 @@ +package lifecam + +import ( + "image" + "os" + + "github.com/disintegration/imaging" +) + +func getImageBounds(img image.Image) (w, h int) { + edges := img.Bounds().Max + return edges.X, edges.Y +} + +func getImageSize(path string) (w, h int, err error) { + file, err := os.Open(path) + if err != nil { + return + } + defer file.Close() + + img, err := imaging.Decode(file, imaging.AutoOrientation(true)) + if err != nil { + return 0, 0, err + } + + w, h = getImageBounds(img) + return w, h, nil +} diff --git a/lifecam/mjpeg.go b/lifecam/mjpeg.go new file mode 100644 index 0000000..821d123 --- /dev/null +++ b/lifecam/mjpeg.go @@ -0,0 +1,212 @@ +package lifecam + +import ( + "errors" + "fmt" + "io/ioutil" + "log" + "os" + "path/filepath" + "sort" + "strconv" + "strings" + + "github.com/icza/mjpeg" +) + +const ( + fps = 1 +) + +type Frame struct { + Session int + Frame int + Path string + Width, Height int +} + +func (f *Frame) String() string { + return fmt.Sprintf("[FRAME] S: %02d F: %04d P: %s", + f.Session, f.Frame, f.Path) +} + +func FrameFromPath(path string) (*Frame, error) { + names := strings.Split(path, "-") + if len(names) != 3 { + return nil, fmt.Errorf("lifecam: %s isn't a lifecam frame", path) + } + + f := &Frame{ + Path: path, + } + + var err error + f.Session, err = strconv.Atoi(names[1]) + if err != nil { + return nil, err + } + + names[2] = strings.TrimSuffix(names[2], filepath.Ext(names[2])) + f.Frame, err = strconv.Atoi(names[2]) + if err != nil { + return nil, err + } + + f.Width, f.Height, err = getImageSize(path) + if err != nil { + return nil, err + } + + return f, nil +} + +var ( + ErrEmptyFrameList = errors.New("lifecam: empty framelist") + ErrFrameListSequence = errors.New("lifecam: framelist out of sequence") + ErrFrameListSession = errors.New("lifecam: mismatched sessions in framelist") + ErrFrameDimensions = errors.New("lifecam: frames have mismatched dimensions") +) + +type FrameList []*Frame + +func (fl FrameList) Check() error { + if len(fl) == 0 { + return ErrEmptyFrameList + } + + sort.Sort(fl) + + for i := 1; i < len(fl); i++ { + if fl[i].Frame <= fl[i-1].Frame { + return ErrFrameListSequence + } + + if fl[i].Session != fl[i-1].Session { + return ErrFrameListSession + } + + if fl[i].Width != fl[i-1].Width { + return ErrFrameDimensions + } + + if fl[i].Height != fl[i-1].Height { + return ErrFrameDimensions + } + } + + return nil +} + +func (fl FrameList) String() string { + if len(fl) == 0 { + return "empty framelist" + } + + return fmt.Sprintf("S: %d F: %d", fl[0].Session, len(fl)) +} + +func (fl FrameList) Len() int { + return len(fl) +} + +func (fl FrameList) Less(i, j int) bool { + return fl[i].Frame < fl[j].Frame +} + +func (fl FrameList) Swap(i, j int) { + fl[i], fl[j] = fl[j], fl[i] +} + +func (fl FrameList) Name() (string, error) { + fi, err := os.Stat(fl[0].Path) + if err != nil { + panic(err.Error()) + } + + ts := fi.ModTime().Format("2006-01-02_1534") + return fmt.Sprintf("lifecam_%s_%02d_%04d.avi", + ts, fl[0].Session, len(fl)), nil +} + +func LoadDir(imageDir string, frameMap map[int]FrameList) (map[int]FrameList, error) { + if frameMap == nil { + frameMap = map[int]FrameList{} + } + + dir, err := os.ReadDir(imageDir) + if err != nil { + return nil, err + } + + for _, dirent := range dir { + path := filepath.Join(imageDir, dirent.Name()) + fi, err := os.Stat(path) + if err != nil { + return nil, err + } + + if !fi.Mode().IsRegular() { + continue + } + + f, err := FrameFromPath(path) + if err != nil { + return nil, err + } + + frameMap[f.Session] = append(frameMap[f.Session], f) + } + + return frameMap, nil +} + +func (fl FrameList) ToMJPEG(outPath string) error { + err := fl.Check() + if err != nil { + return err + } + + width := int32(fl[0].Width) + height := int32(fl[0].Height) + aviFile, err := mjpeg.New(outPath, width, height, fps) + if err != nil { + return err + } + defer aviFile.Close() + + for _, frame := range fl { + img, err := ioutil.ReadFile(frame.Path) + if err != nil { + return err + } + + if err = aviFile.AddFrame(img); err != nil { + return err + } + } + + log.Printf("encoded %s", outPath) + return aviFile.Close() +} + +type Package struct { + Frames FrameList + Video string +} + +func (fl FrameList) Package() (*Package, error) { + path, err := fl.Name() + if err != nil { + return nil, err + } + + err = fl.ToMJPEG(path) + if err != nil { + return nil, err + } + + return &Package{ + Frames: fl, + Video: path, + }, nil +} diff --git a/lifecam/s3.go b/lifecam/s3.go new file mode 100644 index 0000000..0e6f06b --- /dev/null +++ b/lifecam/s3.go @@ -0,0 +1,81 @@ +package lifecam + +import ( + "context" + "fmt" + "log" + "path/filepath" + "strings" + + "git.sr.ht/~kisom/goutils/config" + "github.com/minio/minio-go/v7" + "github.com/minio/minio-go/v7/pkg/credentials" +) + +const MimeZip = "application/zip" + +type Server struct { + client *minio.Client + bucket string +} + +func NewMinio() (*Server, error) { + var fields []string + server := config.Get("MINIO_SERVER") + if server == "" { + fields = append(fields, "MINIO_SERVER") + } + + access := config.Get("MINIO_ACCESS") + if access == "" { + fields = append(fields, "MINIO_ACCESS") + } + + secret := config.Get("MINIO_SECRET") + if secret == "" { + fields = append(fields, "MINIO_SECRET") + } + + bucket := config.Get("MINIO_BUCKET") + if bucket == "" { + fields = append(fields, "MINIO_BUCKET") + } + + srv := &Server{ + bucket: bucket, + } + + if len(fields) != 0 { + err := fmt.Errorf("lifecam: missing fields in S3 config: %s", + strings.Join(fields, ", ")) + return nil, err + } + + var err error + srv.client, err = minio.New(server, &minio.Options{ + Creds: credentials.NewStaticV4(access, secret, ""), + Secure: true, + }) + if err != nil { + return nil, err + } + + return srv, nil +} + +func (srv *Server) Upload(path, contentType string) (int64, error) { + log.Printf("uploading %s to minio", path) + ui, err := srv.client.FPutObject( + context.Background(), + srv.bucket, + filepath.Base(path), + path, + minio.PutObjectOptions{ + ContentType: contentType, + }) + + if err != nil { + return 0, err + } + return ui.Size, nil +} diff --git a/lifecam/zip.go b/lifecam/zip.go new file mode 100644 index 0000000..816ceea --- /dev/null +++ b/lifecam/zip.go @@ -0,0 +1,158 @@ +package lifecam + +import ( + "archive/zip" + "io" + "log" + "os" + "path/filepath" + "strings" +) + +func zipName(p string, top bool) string { + if top { + return filepath.Base(p) + } + return filepath.Join("frames", filepath.Base(p)) +} + +func pathHeader(p string, top bool) (*zip.FileHeader, error) { + + fi, err := os.Stat(p) + if err != nil { + return nil, err + } + + h, err := zip.FileInfoHeader(fi) + if err != nil { + return nil, err + } + + h.Name = zipName(p, top) + h.Method = zip.Deflate + return h, nil +} + +type zipFile struct { + path string + file *os.File + zw *zip.Writer + err error + clean bool + + zipped []string +} + +func (zf *zipFile) Close() error { + zf.zw.Close() + err := zf.file.Close() + if zf.err != nil { + os.Remove(zf.path) + } + if zf.clean { + zf.Clean() + } + return err +} + +func (zf *zipFile) Clean() (err error) { + targets := zf.zipped[:] + for i := range targets { + err = os.Remove(targets[i]) + if err != nil { + zf.zipped = zf.zipped[i:] + break + } + log.Println("removed", targets[i]) + zf.zipped = zf.zipped[1:] + } + + if len(zf.zipped) != 0 { + log.Printf("failed to remove %s", + strings.Join(zf.zipped, " ")) + return err + } + return nil +} + +func (zf *zipFile) addPath(path string, top bool) error { + var ( + f *os.File + h *zip.FileHeader + w io.Writer + ) + + h, zf.err = pathHeader(path, top) + if zf.err != nil { + return zf.err + } + log.Println("zipping", h.Name) + + w, zf.err = zf.zw.CreateHeader(h) + if zf.err != nil { + return zf.err + } + + f, zf.err = os.Open(path) + if zf.err != nil { + return zf.err + } + defer f.Close() + + _, zf.err = io.Copy(w, f) + if zf.err != nil { + return zf.err + } + + zf.zipped = append(zf.zipped, path) + return nil +} + +func (zf *zipFile) AddVideo(path string) error { + return zf.addPath(path, true) +} + +func (zf *zipFile) AddFrame(path string) error { + return zf.addPath(path, false) +} + +func newZipFile(path string, clean bool) (*zipFile, error) { + zf := &zipFile{path: path, clean: clean} + zf.file, zf.err = os.Create(path) + if zf.err != nil { + return nil, zf.err + } + + zf.zw = zip.NewWriter(zf.file) + return zf, nil +} + +func PackageZip(p *Package, clean bool) (err error) { + path := strings.TrimSuffix(p.Video, + filepath.Ext(p.Video)) + ".zip" + zf, err := newZipFile(path, clean) + if err != nil { + return err + } + defer zf.Close() + + err = zf.AddVideo(p.Video) + if err != nil { + return err + } + + for _, frame := range p.Frames { + err = zf.AddFrame(frame.Path) + if err != nil { + return err + } + } + + zf.zw.Close() + + if clean { + err = zf.Clean() + } + + return err +} diff --git a/main.py b/main.py new file mode 100644 index 0000000..c3c3fa7 --- /dev/null +++ b/main.py @@ -0,0 +1,87 @@ +# Hello World Example +# +# Welcome to the OpenMV IDE! Click on the green run arrow button below to run the script! + +import sensor +import image +import pyb +import time +import uos + +blue = pyb.LED(3) +green = pyb.LED(2) +sleep_cycle = 30 + +def reset(): + sensor.reset() # Reset and initialize the sensor. + sensor.set_pixformat(sensor.RGB565) # Set pixel format to RGB565 (or GRAYSCALE) + sensor.set_framesize(sensor.VGA) # Set frame size to QVGA (320x240) + sensor.skip_frames(time = 2000) # Wait for settings take effect. + +# if the fs is <= 1M in size, it's probably flash and we don't want to +# write images. +def sd_is_mounted(): + st = uos.statvfs('.') + sz = st[1] * st[2] + return sz > 1048576 + +def image_path(sess, imno): + return 'images/image-%02d-%04d.jpg' % (sess, imno) + +def check_dir(): + try: + uos.stat('images') + except OSError: + uos.mkdir('images') + +def find_session(): + sess = -1 + for dir in uos.listdir('images'): + try: + _, imsess, _ = dir.split('-') + except ValueError: + continue + imsess = int(imsess) + if imsess > sess: + sess = imsess + return sess + 1 + +def snapshot(sess, imno): + path = image_path(sess, imno) + green.on() + img = sensor.snapshot() + green.off() + + img.save(path) + print('wrote path', path) + return imno + 1 + +def cycle(cycle, sess, imno): + while cycle > 0: + if cycle % 5 == 0: + print('blue on') + blue.on() + if cycle % 5 == 4: + print('blue off') + blue.off() + time.sleep(1) + cycle -= 1 + return snapshot(sess, imno) + +def main(): + reset() + if not sd_is_mounted(): + return + + check_dir() + sess = find_session() + imno = 0 + + print('session', sess) + + while(True): + print('start cycle', imno) + imno = cycle(sleep_cycle, sess, imno) + +if __name__ == '__main__': + main()