示例#1
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    def append_media_summary(self, video_ann):
        """Append a media_summary to media_summary section

        Args:
            video_ann (VideoAnn): media_summary
        """
        assert isinstance(video_ann, type(VideoAnn()))
        self._response_internal["media_annotation"]["media_summary"].append(
            video_ann)
示例#2
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    def append_track(self, video_ann):
        """Append a track to tracks_summary

        Args:
            video_ann (VideoAnn): track
        """
        assert isinstance(video_ann, type(VideoAnn()))
        self._response_internal["media_annotation"]["tracks_summary"].append(
            video_ann)
示例#3
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    def process_properties(self):
        self._s3_write_manager = WorkerManager(
            func=self._upload_frame_helper,
            n=self.n_threads,
            max_queue_size=100,
            parallelization="thread",
        )

        self._local_write_manager = WorkerManager(
            func=self._write_frame_helper,
            n=self.n_threads,
            max_queue_size=100,
            parallelization="thread",
        )

        self.last_tstamp = 0.0
        log.info("Processing")
        # filelike = self.media_api.download(return_filelike=True)

        # if filelike.getbuffer().nbytes == 0:
        #     self.code = "ERROR_NO_IMAGES_LOADED"

        # log.info('Getting hash')
        # video_hash = hashfileobject(filelike, hexdigest=True)
        self.video_url = self.response.request.url
        self.med_ret = MediaRetriever(self.video_url)
        self.contents_file_key = get_contents_file_s3_key(
            self.video_url, self._sample_rate)
        video_id = self.contents_file_key.split("/")[0]
        if self._local_dir is not None:
            self._mklocaldirs("{}/{}".format(self._local_dir, video_id))
            self._mklocaldirs("{}/{}/frames".format(self._local_dir, video_id))
            if os.path.exists("{}/{}".format(self._local_dir,
                                             self.contents_file_key)):
                log.info("Local Video already exists")

        try:
            self._s3_client.head_object(Bucket=self._s3_bucket,
                                        Key=self.contents_file_key)
            new_url = self._s3_url_format.format(bucket=self._s3_bucket,
                                                 s3_key=self.contents_file_key)
            log.info("Video already exists")
            p = Property(
                server=self.name,
                ver=self.version,
                value=new_url,
                property_type="extraction",
                property_id=1,
            )
            track = VideoAnn(t1=0.0, t2=float(self.last_tstamp), props=[p])
            self.response.append_track(track)
            self._s3_write_manager.kill_workers_on_completion()
            self._local_write_manager.kill_workers_on_completion()
            return
        except:
            pass

        contents = []
        log.info("Getting frames")
        for i, (frame, tstamp_secs) in enumerate(
                self.med_ret.get_frames_iterator(
                    sample_rate=self._sample_rate)):
            tstamp = int(tstamp_secs * 1000)
            # self._upload_frame(frame, tstamp, video_hash)
            if i % 100 == 0:
                log.info("...tstamp: " + str(tstamp))
            log.debug("tstamp: " + str(tstamp))
            if frame is None:
                continue
            frame = np.ascontiguousarray(frame[:, :, ::-1])  # RGB to BGR
            self.last_tstamp = tstamp
            data = {"frame": frame, "tstamp": tstamp, "video_id": video_id}
            contents.append((video_id, tstamp))

            if self._local_dir is not None:
                self._local_write_manager.queue.put(data)

            if self._s3_bucket is not None:
                self._s3_write_manager.queue.put(data)

        # self._s3_write_manager.kill_workers_on_completion()
        # self._local_write_manager.kill_workers_on_completion()
        if self._s3_bucket is not None:
            result = self._add_contents_to_s3(contents)
        if self._local_dir is not None:
            self._add_contents_to_local(contents)

        self.response.url_original = self.video_url
        new_url = self._s3_url_format.format(bucket=self._s3_bucket,
                                             s3_key=self.contents_file_key)
        self.response.url = new_url
        p = Property(
            server=self.name,
            ver=self.version,
            value=new_url,
            property_type="extraction",
            property_id=1,
        )
        track = VideoAnn(t1=0.0, t2=float(self.last_tstamp), props=[p])
        self.response.append_track(track)
        self._s3_write_manager.kill_workers_on_completion()
        self._local_write_manager.kill_workers_on_completion()
示例#4
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    def process_properties(self,
                           dump_video=True,
                           dump_images=False,
                           tstamps_Of_Interest=None):
        self.last_tstamp = 0.0
        assert (self.response)
        self.med_ret = MediaRetriever(self.response.url)

        self.w, self.h = self.med_ret.get_w_h()
        media_id = os.path.basename(self.response.url).rsplit(".", 1)[0]
        self.media_id = "".join(
            [e for e in media_id if e.isalnum() or e in ["/", "."]])
        self.content_type_map = {}

        # if there is no flag in the request of not request_api we'll get None.
        self.dump_video = None
        self.dump_images = None
        try:
            self.dump_video = self.request.get("dump_video")
            self.dump_images = self.request.get("dump_images")
        except Exception:
            log.error(
                "Unable to get flags from request dump_video or dump_images")
            pass

        if self.dump_video is None:
            self.dump_video = dump_video
        if self.dump_images is None:
            self.dump_images = dump_images
        if self.dump_video is False and self.dump_images is False:
            log.warning(
                "Not dumping anything--you might want to dump something.")
            return

        dump_folder = self.pushing_folder + '/' + self.media_id + '/'
        self.dumping_folder_url = dump_folder
        if dump_folder:
            if not os.path.exists(dump_folder):
                os.makedirs(dump_folder)

        if self.dump_video:
            filename = dump_folder + '/video.mp4'
            fps = 1
            frameSize = self.med_ret.shape
            frameSize = (self.w, self.h)
            fourcc = cv2.VideoWriter_fourcc(*'H264')
            log.info("filename: " + filename)
            log.info("fourcc: " + str(fourcc))
            log.info("type(fourcc): " + str(type(fourcc)))
            log.info("fps: " + str(fps))
            log.info("type(fps): " + str(type(fps)))
            log.info("frameSize: " + str(frameSize))
            log.info("type(frameSize): " + str(type(frameSize)))
            vid = cv2.VideoWriter(filename, fourcc, fps, frameSize)
            self.content_type_map[os.path.basename(filename)] = 'video/mp4'
        face = cv2.FONT_HERSHEY_SIMPLEX
        scale = 0.65
        thickness = 2

        # we get the image_annotation tstamps
        tstamps = self.response.get_timestamps()
        tstamp_frame_anns = self.response.get_timestamps_from_frames_ann()
        log.debug('tstamps: ' + str(tstamps))
        log.debug('tstamps_dets: ' + str(tstamp_frame_anns))

        # we get the frame iterator
        frames_iterator = []
        if tstamps_Of_Interest:
            if type(tstamps_Of_Interest) is list:
                for t in tstamps_Of_Interest:
                    frame = self.med_ret.get_frame(tstamp=t)
                    frames_iterator.append((frame, t))
        elif tstamps_Of_Interest is None:
            try:
                frames_iterator = self.med_ret.get_frames_iterator(
                    sample_rate=1.0)
            except Exception:
                log.error(traceback.format_exc())
                raise Exception("Error loading media")

        for i, (img, tstamp) in enumerate(frames_iterator):
            self.last_tstamp = tstamp
            if img is None:
                log.warning("Invalid frame")
                continue
            if tstamp is None:
                log.warning("Invalid tstamp")
                continue
            # log.info('tstamp: ' + str(tstamp))
            if tstamp in tstamp_frame_anns:
                log.debug("drawing frame for tstamp: " + str(tstamp))
                # we get image_ann for that time_stamps
                regions = self.response.get_regions_from_tstamp(tstamp)
                # log.info(json.dumps(image_ann, indent=2))
                for region in regions:
                    rand_color = get_rand_bgr()
                    p0, p1 = p0p1_from_bbox_contour(region['contour'], self.w,
                                                    self.h)
                    anchor_point = [p0[0] + 3, p1[1] - 3]
                    if abs(p1[1] - self.h) < 30:
                        anchor_point = [p0[0] + 3, int(p1[1] / 2) - 3]
                    img = cv2.rectangle(img, p0, p1, rand_color, thickness)
                    prop_strs = get_props_from_region(region)
                    for i, prop in enumerate(prop_strs):
                        img = cv2.putText(
                            img, prop,
                            (anchor_point[0], anchor_point[1] + i * 25), face,
                            1.0, rand_color, thickness)
            elif tstamp in tstamps:
                log.debug("Making frame gray")
                gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
                img = cv2.cvtColor(gray, cv2.COLOR_GRAY2BGR)
            else:
                log.debug("No processed frame")
                continue
            # Include the timestamp
            img = cv2.putText(img, str(tstamp), (20, 20), face, scale,
                              [255, 255, 255], thickness)
            if self.dump_video:
                # we add the frame
                log.debug("Adding frame")
                vid.write(img)
            if self.dump_images:
                # we dump the frame
                outfn = "{}/{}.jpg".format(dump_folder, tstamp)
                log.debug("Writing to file: {}".format(outfn))
                cv2.imwrite(outfn, img)
                self.content_type_map[os.path.basename(outfn)] = 'image/jpeg'

        if self.dump_video:
            vid.release()
        if self.s3_bucket:
            try:
                self.upload_files(dump_folder)
            except Exception:
                log.error(traceback.format_exc())
        if self.pushing_folder == DEFAULT_DUMP_FOLDER:
            log.info('Removing files in ' + dump_folder)
            shutil.rmtree(dump_folder)

        props = []
        if self.dump_images:
            props.append(
                Property(
                    server=self.name,
                    ver=self.version,
                    value=self.dumping_folder_url,
                    property_type="dumped_images",
                    property_id=1,
                ))
        if self.dump_video:
            dumped_video_url = self.dumping_folder_url + '/video.mp4'
            dumped_video_url = dumped_video_url.replace('//', '/')
            dumped_video_url = dumped_video_url.replace('https:/', 'https://')
            props.append(
                Property(
                    server=self.name,
                    ver=self.version,
                    value=dumped_video_url,
                    property_type="dumped_video",
                    property_id=2,
                ))
        media_summary = VideoAnn(t1=0.0, t2=self.last_tstamp, props=props)
        self.response.append_media_summary(media_summary)
示例#5
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    def process_properties(self):
        self.last_tstamp = 0.0
        log.info("Processing")
        # filelike = self.media_api.download(return_filelike=True)

        # if filelike.getbuffer().nbytes == 0:
        #     self.code = "ERROR_NO_IMAGES_LOADED"

        # log.info('Getting hash')
        # video_hash = hashfileobject(filelike, hexdigest=True)
        self.video_url = self.response.request.url
        try:
            log.info(f"Loading media from url: {self.response.request.url}")
            self.med_ret = MediaRetriever(self.video_url)
        except Exception as e:
            log.error(e)
            log.error(traceback.print_exc())
            self.code = Codes.ERROR_LOADING_MEDIA
            return

        self.contents_file_key = get_contents_file_s3_key(self.video_url,
                                                          self._sample_rate)
        video_id = self.contents_file_key.split("/")[0]
        if self._local_dir is not None:
            self._mklocaldirs("{}/{}".format(self._local_dir, video_id))
            self._mklocaldirs("{}/{}/frames".format(self._local_dir, video_id))
            if os.path.exists("{}/{}".format(self._local_dir, self.contents_file_key)):
                log.info("Local Video already exists")

        try:
            self._s3_client.head_object(
                Bucket=self._s3_bucket, Key=self.contents_file_key
            )
            new_url = self._s3_url_format.format(
                bucket=self._s3_bucket, s3_key=self.contents_file_key
            )
            log.info("Video already exists")
            p = Property(
                server=self.name,
                ver=self.version,
                value=new_url,
                property_type="extraction",
                property_id=1,
            )
            track = VideoAnn(t1=0.0, t2=float(self.last_tstamp), props=[p])
            self.response.append_track(track)
            return
        except Exception:
            pass

        contents = []
        log.info("Getting frames")
        with ThreadPoolExecutor(max_workers=self.n_threads) as writer:
            for i, (frame, tstamp_secs) in enumerate(
                self.med_ret.get_frames_iterator(sample_rate=self._sample_rate)
            ):
                # int(16.016 * 1000) == 16015, but round(16.016) == 16016
                tstamp = round(tstamp_secs * 1000)

                # self._upload_frame(frame, tstamp, video_hash)
                if i % 100 == 0:
                    log.info("...tstamp: " + str(tstamp))
                log.debug("tstamp: " + str(tstamp))
                if frame is None:
                    continue
                frame = np.ascontiguousarray(frame[:, :, ::-1])  # RGB to BGR
                self.last_tstamp = tstamp
                data = {"frame": frame, "tstamp": tstamp, "video_id": video_id}
                contents.append((video_id, tstamp))

                if self._local_dir is not None:
                    writer.submit(self._write_frame_helper, data)

                if self._s3_bucket is not None:
                    writer.submit(self._upload_frame_helper, data)

        if self._s3_bucket is not None:
            _ = self._add_contents_to_s3(contents)

        if self._local_dir is not None:
            self._add_contents_to_local(contents)

        new_url = self._s3_url_format.format(
            bucket=self._s3_bucket, s3_key=self.contents_file_key
        )
        p = Property(
            server=self.name,
            ver=self.version,
            value=new_url,
            property_type="extraction",
            property_id=1,
        )
        track = VideoAnn(t1=0.0, t2=float(self.last_tstamp), props=[p])
        self.response.append_track(track)
示例#6
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    def process_properties(self,
                           dump_video=True,
                           dump_images=False,
                           tstamps_of_interest=None):
        assert (isinstance(self.response, Response))
        self.med_ret = MediaRetriever(self.response.url)

        dump_video = (self.request.get("dump_video") or dump_video) and \
            self.med_ret.is_video
        dump_images = (self.request.get("dump_images") or dump_images) or \
            self.med_ret.is_image

        if dump_images is False and self.med_ret.is_image:
            dump_images = True

        if dump_video is False and dump_images is False:
            log.warning("`dump_video` and `dump_images` are both false."
                        " Unable to proceed.")
            return

        log.debug(f"Dumping Video: {dump_video}")
        log.debug(f"Dumping Frames: {dump_images}")

        # we get the frame iterator
        frames_iterator = []
        if tstamps_of_interest is not None:
            if type(tstamps_of_interest) is list:
                for t in tstamps_of_interest:
                    frame = self.med_ret.get_frame(tstamp=t)
                    frames_iterator.append((frame, t))
        else:
            try:
                frames_iterator = self.med_ret.get_frames_iterator(
                    sample_rate=1.0)
            except Exception:
                log.error(traceback.format_exc())
                raise Exception("Error loading media")

        vid_file, images_dir, max_tstamp = self.dump_data(
            frames_iterator, dump_video=dump_video, dump_images=dump_images)

        props = []
        if self.local_dir is not None and dump_video:
            local_vid_path = self.copy_video(vid_file.name)
            p = Property(
                server=self.name,
                ver=self.version,
                value=local_vid_path,
                property_type="dumped_video",
                property_id=4,
            )
            props.append(p)

        if self.local_dir is not None and dump_images:
            local_frames_paths = self.copy_frames(images_dir.name)
            ps = [
                Property(
                    server=self.name,
                    ver=self.version,
                    value=path,
                    property_type="dumped_image",
                    property_id=3,
                ) for path in local_frames_paths
            ]
            props.extend(ps)

        if self.s3_bucket is not None and dump_video:
            s3_vid_url = self.upload_video(vid_file.name)
            p = Property(
                server=self.name,
                ver=self.version,
                value=s3_vid_url,
                property_type="dumped_video",
                property_id=2,
            )
            props.append(p)

        if self.s3_bucket is not None and dump_images:
            s3_frames_urls = self.upload_frames(images_dir.name)
            ps = [
                Property(
                    server=self.name,
                    ver=self.version,
                    value=url,
                    property_type="dumped_image",
                    property_id=1,
                ) for url in s3_frames_urls
            ]
            props.extend(ps)

        images_dir.cleanup()
        vid_file.close()

        media_summary = VideoAnn(t1=0.0, t2=max_tstamp, props=props)
        self.response.append_media_summary(media_summary)