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video_editing_poc
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Add rich video editing diagnostics

This commit is contained in:
JSLMPR 2026-07-11 17:11:35 +02:00
parent e2f49e2e5a
commit 8195b58552
8 changed files with 323 additions and 40 deletions
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2
docs/local-cv-visual-analysis-guide.md
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@ -41,7 +41,7 @@ VIDEO_EDITING_VISUAL_ANALYSIS_PROVIDER=local-cv
VIDEO_EDITING_VISUAL_ANALYSIS_ENDPOINT=http://127.0.0.1:8091/v1/analyze-visuals
VIDEO_EDITING_VISUAL_ANALYSIS_TIMEOUT_MS=30000
VIDEO_EDITING_VISUAL_ANALYSIS_FALLBACK_TO_HEURISTIC=true
VIDEO_EDITING_LOCAL_CV_WORKER_AUTO_START=false
VIDEO_EDITING_LOCAL_CV_WORKER_AUTO_START=true
VIDEO_EDITING_LOCAL_CV_WORKER_SCRIPT=./tools/run_local_cv_worker.sh
VIDEO_EDITING_LOCAL_CV_WORKER_STARTUP_WAIT_MS=0
```

104
src/main/java/org/example/videoclips/editing/HighlightSourceAnalyzer.java
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@ -3,6 +3,8 @@ package org.example.videoclips.editing;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.stereotype.Service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.nio.file.Files;
import java.nio.file.Path;
@ -15,6 +17,8 @@ import java.util.List;
@ConditionalOnProperty(name = "video-clipping.editing.enabled", havingValue = "true", matchIfMissing = true)
public class HighlightSourceAnalyzer {
private static final Logger log = LoggerFactory.getLogger(HighlightSourceAnalyzer.class);
private final HighlightProjectStore store;
private final FfmpegClipInspector inspector;
private final ThumbnailExtractor thumbnailExtractor;
@ -68,22 +72,54 @@ public class HighlightSourceAnalyzer {
}
public HighlightSourceAnalysis analyze(String projectId) {
long totalStartedAt = System.nanoTime();
log.info("event=highlight_analysis_started project_id={}", projectId);
HighlightProject project = store.readJson(projectId, "project.json", HighlightProject.class);
log.info("event=highlight_analysis_project_loaded project_id={} source_file={} status={}",
projectId, project.sourceVideoFileName(), project.status());
Path source = sourceVideo(projectId);
ClipAnalysis inspected = inspector.inspect(source);
log.info("event=highlight_analysis_source_discovered project_id={} source_path={}", projectId, source);
ClipAnalysis inspected = timed(projectId, "ffprobe_inspection", () -> inspector.inspect(source));
Path analysisDirectory = store.analysisDirectory(projectId);
Path frameDirectory = analysisDirectory.resolve("frames");
Path contactSheetDirectory = analysisDirectory.resolve("contact-sheets");
Path proxyDirectory = analysisDirectory.resolve("proxies");
Path audioDirectory = analysisDirectory.resolve("audio");
List<String> thumbnails = thumbnailExtractor.extract(inspected, frameDirectory);
String contactSheet = contactSheetGenerator.generate(inspected, contactSheetDirectory);
String proxyPath = proxyGenerator.generate(inspected, proxyDirectory).orElse(null);
String waveformPath = waveformGenerator.generate(inspected, audioDirectory);
List<ShotSegment> shotSegments = shotSceneSegmenter.segment(inspected);
SourceAudioAnalysis audioAnalysis = sourceAudioAnalyzer.analyze(inspected);
SourceVisualAnalysis visualAnalysis = sourceVisualAnalyzer.analyze(inspected, thumbnails, shotSegments);
log.info("event=highlight_analysis_media_metadata project_id={} clip_id={} duration_seconds={} codec_video={} "
+ "codec_audio={} width={} height={} frame_rate={}",
projectId, inspected.clipId(), inspected.durationSeconds(), inspected.videoCodec(),
inspected.audioCodec(), inspected.width(), inspected.height(), inspected.frameRate());
List<String> thumbnails = timed(projectId, "thumbnail_extraction",
() -> thumbnailExtractor.extract(inspected, frameDirectory));
log.info("event=highlight_analysis_thumbnails_ready project_id={} count={} directory={} thumbnails={}",
projectId, thumbnails.size(), frameDirectory, thumbnails);
String contactSheet = timed(projectId, "contact_sheet_generation",
() -> contactSheetGenerator.generate(inspected, contactSheetDirectory));
log.info("event=highlight_analysis_contact_sheet_ready project_id={} path={}", projectId, contactSheet);
String proxyPath = timed(projectId, "proxy_generation",
() -> proxyGenerator.generate(inspected, proxyDirectory).orElse(null));
log.info("event=highlight_analysis_proxy_ready project_id={} enabled={} path={}",
projectId, proxyPath != null, proxyPath);
String waveformPath = timed(projectId, "waveform_generation",
() -> waveformGenerator.generate(inspected, audioDirectory));
log.info("event=highlight_analysis_waveform_ready project_id={} path={}", projectId, waveformPath);
List<ShotSegment> shotSegments = timed(projectId, "shot_scene_segmentation",
() -> shotSceneSegmenter.segment(inspected));
log.info("event=highlight_analysis_shots_ready project_id={} shot_segments={} first_shot={} last_shot={}",
projectId, shotSegments.size(), shotSegments.isEmpty() ? null : shotSegments.get(0),
shotSegments.isEmpty() ? null : shotSegments.get(shotSegments.size() - 1));
SourceAudioAnalysis audioAnalysis = timed(projectId, "audio_analysis",
() -> sourceAudioAnalyzer.analyze(inspected));
log.info("event=highlight_analysis_audio_ready project_id={} sections={} mean_volume_db={} max_volume_db={}",
projectId, audioAnalysis.sections().size(), audioAnalysis.meanVolumeDb(), audioAnalysis.maxVolumeDb());
SourceVisualAnalysis visualAnalysis = timed(projectId, "visual_analysis",
() -> sourceVisualAnalyzer.analyze(inspected, thumbnails, shotSegments));
log.info("event=highlight_analysis_visual_ready project_id={} method={} blur_score={} exposure_score={} "
+ "motion_score={} composition_score={} face_presence={} object_labels={}",
projectId, visualAnalysis.analysisMethod(), visualAnalysis.blurScore(), visualAnalysis.exposureScore(),
visualAnalysis.motionScore(), visualAnalysis.compositionScore(), visualAnalysis.facePresence(),
visualAnalysis.objectLabels().size());
ClipAnalysis sourceAnalysis = enriched(inspected, thumbnails, contactSheet, proxyPath);
HighlightSourceAnalysis analysis = new HighlightSourceAnalysis(
projectId,
@ -101,14 +137,56 @@ public class HighlightSourceAnalyzer {
visualAnalysis,
Instant.now(clock)
);
store.writeJson(projectId, "analysis/ffprobe.json", sourceAnalysis);
store.writeJson(projectId, "analysis/scene-segments.json", shotSegments);
store.writeJson(projectId, "analysis/audio-analysis.json", audioAnalysis);
store.writeJson(projectId, "analysis/visual-analysis.json", visualAnalysis);
store.writeJson(projectId, "analysis/source-analysis.json", analysis);
timed(projectId, "persist_ffprobe_json", () -> {
store.writeJson(projectId, "analysis/ffprobe.json", sourceAnalysis);
return null;
});
timed(projectId, "persist_scene_segments_json", () -> {
store.writeJson(projectId, "analysis/scene-segments.json", shotSegments);
return null;
});
timed(projectId, "persist_audio_analysis_json", () -> {
store.writeJson(projectId, "analysis/audio-analysis.json", audioAnalysis);
return null;
});
timed(projectId, "persist_visual_analysis_json", () -> {
store.writeJson(projectId, "analysis/visual-analysis.json", visualAnalysis);
return null;
});
timed(projectId, "persist_source_analysis_json", () -> {
store.writeJson(projectId, "analysis/source-analysis.json", analysis);
return null;
});
log.info("event=highlight_analysis_completed project_id={} elapsed_ms={} analysis_file={}",
projectId, elapsedMillis(totalStartedAt), "analysis/source-analysis.json");
return analysis;
}
private <T> T timed(String projectId, String step, Step<T> action) {
long startedAt = System.nanoTime();
log.info("event=highlight_analysis_step_started project_id={} step={}", projectId, step);
try {
T result = action.run();
log.info("event=highlight_analysis_step_completed project_id={} step={} elapsed_ms={}",
projectId, step, elapsedMillis(startedAt));
return result;
} catch (RuntimeException ex) {
log.error("event=highlight_analysis_step_failed project_id={} step={} elapsed_ms={} error_type={} "
+ "message={}",
projectId, step, elapsedMillis(startedAt), ex.getClass().getSimpleName(), ex.getMessage());
throw ex;
}
}
private long elapsedMillis(long startedAt) {
return (System.nanoTime() - startedAt) / 1_000_000;
}
@FunctionalInterface
private interface Step<T> {
T run();
}
private Path sourceVideo(String projectId) {
Path sourceDirectory = store.sourceDirectory(projectId);
try (var files = Files.list(sourceDirectory)) {

18
src/main/java/org/example/videoclips/editing/HighlightSourceScheduler.java
View File

@ -82,15 +82,19 @@ public class HighlightSourceScheduler {
long scanId = scanSequence.incrementAndGet();
long startedAt = System.nanoTime();
log.info("event=highlight_scan_started scan_id={} source_directory={} working_directory={} "
+ "processed_directory={} rejected_directory={}",
scanId, properties.getSourceDirectory(), properties.getWorkingDirectory(),
properties.getProcessedDirectory(), properties.getRejectedDirectory());
try {
findNextCandidate().ifPresentOrElse(
candidate -> processCandidate(scanId, candidate),
() -> log.debug("event=highlight_scan_idle scan_id={} source_directory={}",
() -> log.info("event=highlight_scan_idle scan_id={} source_directory={}",
scanId, properties.getSourceDirectory())
);
} finally {
scanning.set(false);
log.debug("event=highlight_scan_completed scan_id={} elapsed_ms={}", scanId, elapsedMillis(startedAt));
log.info("event=highlight_scan_completed scan_id={} elapsed_ms={}", scanId, elapsedMillis(startedAt));
}
}
@ -144,10 +148,20 @@ public class HighlightSourceScheduler {
HighlightFolderContract.standard(),
now
);
log.info("event=highlight_project_creation_started scan_id={} project_id={} working_file={}",
scanId, projectId, workingFile);
Path projectDirectory = store.createProject(project, manifest);
log.info("event=highlight_project_directory_created scan_id={} project_id={} project_directory={}",
scanId, projectId, projectDirectory);
copySourceToProject(workingFile, store.sourceDirectory(projectId).resolve(workingFile.getFileName()));
log.info("event=highlight_source_copied_to_project scan_id={} project_id={} source_file={} "
+ "project_source_directory={}",
scanId, projectId, workingFile.getFileName(), store.sourceDirectory(projectId));
HighlightSourceAnalysis analysis = analyzer.analyze(projectId);
Path processedFile = moveToDirectory(workingFile, Path.of(properties.getProcessedDirectory()));
log.info("event=highlight_source_moved_to_processed scan_id={} project_id={} processed_file={} "
+ "processed_directory={}",
scanId, projectId, processedFile.getFileName(), processedFile.getParent());
log.info("event=highlight_project_created scan_id={} project_id={} source_file={} project_directory={} "
+ "analysis_file={} elapsed_ms={}",
scanId, projectId, processedFile.getFileName(), projectDirectory, "analysis/source-analysis.json",

47
src/main/java/org/example/videoclips/editing/LocalCvVisualAnalysisProvider.java
View File

@ -2,6 +2,8 @@ package org.example.videoclips.editing;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.example.videoclips.config.VideoClippingProperties;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.stereotype.Component;
@ -11,6 +13,7 @@ import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.util.List;
@ -18,6 +21,8 @@ import java.util.List;
@ConditionalOnProperty(name = "video-clipping.editing.enabled", havingValue = "true", matchIfMissing = true)
public class LocalCvVisualAnalysisProvider implements VisualAnalysisProvider {
private static final Logger log = LoggerFactory.getLogger(LocalCvVisualAnalysisProvider.class);
private final VideoClippingProperties.Editing.VisualAnalysis properties;
private final ObjectMapper objectMapper;
private final HttpExecutor httpExecutor;
@ -40,20 +45,46 @@ public class LocalCvVisualAnalysisProvider implements VisualAnalysisProvider {
@Override
public SourceVisualAnalysis analyze(ClipAnalysis source, List<String> thumbnails, List<ShotSegment> shotSegments) {
LocalCvRequest request = new LocalCvRequest(source, List.copyOf(thumbnails), List.copyOf(shotSegments));
long startedAt = System.nanoTime();
try {
String body = objectMapper.writeValueAsString(request);
log.info("event=local_cv_request_started clip_id={} endpoint={} timeout_ms={} thumbnails={} "
+ "shot_segments={} request_bytes={}",
source.clipId(), properties.getEndpoint(), properties.getTimeoutMs(), thumbnails.size(),
shotSegments.size(), body.getBytes(StandardCharsets.UTF_8).length);
HttpCall call = new HttpCall(properties.getEndpoint(), properties.getTimeoutMs(), body);
HttpResult result = httpExecutor.execute(call);
log.info("event=local_cv_response_received clip_id={} endpoint={} status_code={} elapsed_ms={} "
+ "response_bytes={}",
source.clipId(), properties.getEndpoint(), result.statusCode(), elapsedMillis(startedAt),
result.body() == null ? 0 : result.body().getBytes(StandardCharsets.UTF_8).length);
if (result.statusCode() < 200 || result.statusCode() >= 300) {
throw new IllegalStateException("Local CV service returned HTTP " + result.statusCode());
throw new IllegalStateException("Local CV service returned HTTP " + result.statusCode()
+ " body=" + preview(result.body()));
}
SourceVisualAnalysis analysis = objectMapper.readValue(result.body(), SourceVisualAnalysis.class);
return normalized(source, thumbnails, analysis);
SourceVisualAnalysis normalized = normalized(source, thumbnails, analysis);
log.info("event=local_cv_analysis_completed clip_id={} endpoint={} elapsed_ms={} method={} "
+ "object_labels={} representative_thumbnails={}",
source.clipId(), properties.getEndpoint(), elapsedMillis(startedAt),
normalized.analysisMethod(), normalized.objectLabels().size(),
normalized.representativeThumbnails().size());
return normalized;
} catch (InterruptedException ex) {
Thread.currentThread().interrupt();
log.warn("event=local_cv_request_interrupted clip_id={} endpoint={} elapsed_ms={} message={}",
source.clipId(), properties.getEndpoint(), elapsedMillis(startedAt), ex.getMessage());
throw new IllegalStateException("Interrupted while calling local CV visual analysis service", ex);
} catch (IOException ex) {
log.warn("event=local_cv_request_failed clip_id={} endpoint={} elapsed_ms={} error_type={} message={}",
source.clipId(), properties.getEndpoint(), elapsedMillis(startedAt),
ex.getClass().getSimpleName(), ex.getMessage());
throw new IllegalStateException("Unable to call local CV visual analysis service", ex);
} catch (RuntimeException ex) {
log.warn("event=local_cv_analysis_failed clip_id={} endpoint={} elapsed_ms={} error_type={} message={}",
source.clipId(), properties.getEndpoint(), elapsedMillis(startedAt),
ex.getClass().getSimpleName(), ex.getMessage());
throw ex;
}
}
@ -85,6 +116,18 @@ public class LocalCvVisualAnalysisProvider implements VisualAnalysisProvider {
return Math.max(0, Math.min(1, Math.round(value * 1000.0) / 1000.0));
}
private long elapsedMillis(long startedAt) {
return (System.nanoTime() - startedAt) / 1_000_000;
}
private String preview(String body) {
if (body == null || body.isBlank()) {
return "";
}
String compact = body.replaceAll("\\s+", " ").trim();
return compact.length() <= 300 ? compact : compact.substring(0, 300) + "...";
}
record LocalCvRequest(ClipAnalysis source, List<String> thumbnails, List<ShotSegment> shotSegments) {
}

57
src/main/java/org/example/videoclips/editing/LocalCvWorkerProcessManager.java
View File

@ -30,7 +30,9 @@ public class LocalCvWorkerProcessManager implements SmartLifecycle {
private final ProcessLauncher processLauncher;
private Process process;
private Thread outputThread;
private boolean running;
private Thread watcherThread;
private volatile boolean running;
private volatile boolean stopping;
@Autowired
public LocalCvWorkerProcessManager(VideoClippingProperties properties) {
@ -47,12 +49,22 @@ public class LocalCvWorkerProcessManager implements SmartLifecycle {
@Override
public synchronized void start() {
if (running || !shouldStart()) {
if (running) {
log.info("event=local_cv_worker_start_skipped reason=already_running endpoint={}",
visualAnalysis.getEndpoint());
return;
}
if (!shouldStart()) {
log.info("event=local_cv_worker_start_skipped reason=disabled provider={} auto_start={} endpoint={}",
visualAnalysis.getProvider(), visualAnalysis.getLocalCvWorker().isAutoStart(),
visualAnalysis.getEndpoint());
return;
}
VideoClippingProperties.Editing.VisualAnalysis.LocalCvWorker worker = visualAnalysis.getLocalCvWorker();
Path script = Path.of(worker.getScript()).toAbsolutePath().normalize();
log.info("event=local_cv_worker_starting script={} endpoint={} startup_wait_ms={}",
script, visualAnalysis.getEndpoint(), worker.getStartupWaitMs());
if (!Files.isRegularFile(script)) {
throw new IllegalStateException("Local CV worker script does not exist: " + script);
}
@ -67,16 +79,25 @@ public class LocalCvWorkerProcessManager implements SmartLifecycle {
try {
process = processLauncher.start(processBuilder);
running = true;
stopping = false;
outputThread = outputReader(process.getInputStream(), script);
outputThread.start();
log.info("event=local_cv_worker_started script={} pid={} host={} port={}",
script, process.pid(), endpoint.host(), endpoint.port());
watcherThread = processWatcher(process, script);
watcherThread.start();
log.info("event=local_cv_worker_started script={} pid={} host={} port={} endpoint={}",
script, process.pid(), endpoint.host(), endpoint.port(), visualAnalysis.getEndpoint());
waitForStartupWindow(worker.getStartupWaitMs());
log.info("event=local_cv_worker_startup_window_completed script={} pid={} alive={}",
script, process.pid(), process.isAlive());
} catch (IOException ex) {
running = false;
log.error("event=local_cv_worker_start_failed script={} error_type={} message={}",
script, ex.getClass().getSimpleName(), ex.getMessage());
throw new IllegalStateException("Unable to start local CV worker script: " + script, ex);
} catch (RuntimeException ex) {
cleanupFailedStart();
log.error("event=local_cv_worker_start_failed script={} error_type={} message={}",
script, ex.getClass().getSimpleName(), ex.getMessage());
throw ex;
}
}
@ -89,9 +110,12 @@ public class LocalCvWorkerProcessManager implements SmartLifecycle {
}
long pid = process.pid();
if (process.isAlive()) {
stopping = true;
log.info("event=local_cv_worker_stop_requested pid={}", pid);
process.destroy();
try {
if (!process.waitFor(Duration.ofSeconds(5).toMillis(), TimeUnit.MILLISECONDS)) {
log.warn("event=local_cv_worker_stop_timeout pid={} action=destroy_forcibly", pid);
process.destroyForcibly();
}
} catch (InterruptedException ex) {
@ -125,6 +149,7 @@ public class LocalCvWorkerProcessManager implements SmartLifecycle {
private void waitForStartupWindow(long startupWaitMs) {
if (startupWaitMs <= 0) {
log.info("event=local_cv_worker_startup_wait_skipped reason=disabled");
return;
}
try {
@ -141,6 +166,7 @@ public class LocalCvWorkerProcessManager implements SmartLifecycle {
private void cleanupFailedStart() {
running = false;
if (process != null && process.isAlive()) {
log.warn("event=local_cv_worker_failed_start_cleanup pid={}", process.pid());
process.destroyForcibly();
}
}
@ -172,6 +198,29 @@ public class LocalCvWorkerProcessManager implements SmartLifecycle {
return thread;
}
private Thread processWatcher(Process watchedProcess, Path script) {
Thread thread = new Thread(() -> {
try {
int exitCode = watchedProcess.waitFor();
running = false;
if (stopping) {
log.info("event=local_cv_worker_process_exited script={} pid={} exit_code={} reason=stop_requested",
script, watchedProcess.pid(), exitCode);
stopping = false;
} else {
log.warn("event=local_cv_worker_process_exited script={} pid={} exit_code={} reason=unexpected",
script, watchedProcess.pid(), exitCode);
}
} catch (InterruptedException ex) {
Thread.currentThread().interrupt();
log.debug("event=local_cv_worker_watcher_interrupted script={} pid={}",
script, watchedProcess.pid());
}
}, "local-cv-worker-watcher");
thread.setDaemon(true);
return thread;
}
record Endpoint(String host, int port) {
}

49
src/main/java/org/example/videoclips/editing/SourceVisualAnalyzer.java
View File

@ -47,10 +47,19 @@ public class SourceVisualAnalyzer {
List<String> thumbnails,
List<ShotSegment> shotSegments
) {
log.info("event=visual_analysis_selected clip_id={} provider={} thumbnails={} shot_segments={} "
+ "fallback_to_heuristic={}",
source.clipId(), properties.getProvider(), thumbnails.size(), shotSegments.size(),
properties.isFallbackToHeuristic());
if ("local-cv".equalsIgnoreCase(properties.getProvider())) {
return localCvAnalysis(source, thumbnails, shotSegments);
}
return heuristicProvider.analyze(source, thumbnails, shotSegments);
long startedAt = System.nanoTime();
SourceVisualAnalysis analysis = heuristicProvider.analyze(source, thumbnails, shotSegments);
log.info("event=heuristic_visual_analysis_completed clip_id={} elapsed_ms={} object_labels={} method={}",
source.clipId(), elapsedMillis(startedAt), analysis.objectLabels().size(),
analysis.analysisMethod());
return analysis;
}
private SourceVisualAnalysis localCvAnalysis(
@ -58,20 +67,29 @@ public class SourceVisualAnalyzer {
List<String> thumbnails,
List<ShotSegment> shotSegments
) {
long startedAt = System.nanoTime();
try {
SourceVisualAnalysis analysis = localCvProvider.analyze(source, thumbnails, shotSegments);
log.info("event=local_cv_visual_analysis_completed clip_id={} endpoint={} object_labels={} method={}",
source.clipId(), properties.getEndpoint(), analysis.objectLabels().size(),
analysis.analysisMethod());
log.info("event=local_cv_visual_analysis_completed clip_id={} endpoint={} elapsed_ms={} "
+ "object_labels={} method={}",
source.clipId(), properties.getEndpoint(), elapsedMillis(startedAt),
analysis.objectLabels().size(), analysis.analysisMethod());
return analysis;
} catch (RuntimeException ex) {
if (!properties.isFallbackToHeuristic()) {
log.error("event=local_cv_visual_analysis_failed clip_id={} endpoint={} elapsed_ms={} "
+ "fallback=false error_type={} message={} cause_type={} cause_message={}",
source.clipId(), properties.getEndpoint(), elapsedMillis(startedAt),
ex.getClass().getSimpleName(), ex.getMessage(), causeType(ex), causeMessage(ex));
throw ex;
}
log.warn("event=local_cv_visual_analysis_fallback clip_id={} endpoint={} error_type={}",
source.clipId(), properties.getEndpoint(), ex.getClass().getSimpleName());
log.warn("event=local_cv_visual_analysis_fallback clip_id={} endpoint={} elapsed_ms={} "
+ "error_type={} message={} cause_type={} cause_message={}",
source.clipId(), properties.getEndpoint(), elapsedMillis(startedAt),
ex.getClass().getSimpleName(), ex.getMessage(), causeType(ex), causeMessage(ex));
long fallbackStartedAt = System.nanoTime();
SourceVisualAnalysis fallback = heuristicProvider.analyze(source, thumbnails, shotSegments);
return new SourceVisualAnalysis(
SourceVisualAnalysis fallbackAnalysis = new SourceVisualAnalysis(
fallback.clipId(),
fallback.blurScore(),
fallback.exposureScore(),
@ -82,6 +100,23 @@ public class SourceVisualAnalyzer {
fallback.representativeThumbnails(),
"local_cv_failed_fallback_" + fallback.analysisMethod()
);
log.info("event=local_cv_fallback_visual_analysis_completed clip_id={} elapsed_ms={} object_labels={} "
+ "method={}",
source.clipId(), elapsedMillis(fallbackStartedAt), fallbackAnalysis.objectLabels().size(),
fallbackAnalysis.analysisMethod());
return fallbackAnalysis;
}
}
private long elapsedMillis(long startedAt) {
return (System.nanoTime() - startedAt) / 1_000_000;
}
private String causeType(RuntimeException ex) {
return ex.getCause() == null ? null : ex.getCause().getClass().getSimpleName();
}
private String causeMessage(RuntimeException ex) {
return ex.getCause() == null ? null : ex.getCause().getMessage();
}
}

22
src/test/java/org/example/videoclips/editing/LocalCvWorkerProcessManagerTest.java
View File

@ -136,15 +136,19 @@ class LocalCvWorkerProcessManagerTest {
}
@Override
public int waitFor() {
alive = false;
public synchronized int waitFor() throws InterruptedException {
while (alive) {
wait();
}
return 0;
}
@Override
public boolean waitFor(long timeout, TimeUnit unit) {
alive = false;
return true;
public synchronized boolean waitFor(long timeout, TimeUnit unit) throws InterruptedException {
if (alive) {
wait(unit.toMillis(timeout));
}
return !alive;
}
@Override
@ -153,20 +157,22 @@ class LocalCvWorkerProcessManagerTest {
}
@Override
public void destroy() {
public synchronized void destroy() {
destroyed = true;
alive = false;
notifyAll();
}
@Override
public Process destroyForcibly() {
public synchronized Process destroyForcibly() {
destroyed = true;
alive = false;
notifyAll();
return this;
}
@Override
public boolean isAlive() {
public synchronized boolean isAlive() {
return alive;
}

64
tools/local_cv_worker.py
View File

@ -9,6 +9,8 @@ Run:
from __future__ import annotations
import os
import logging
import time
from pathlib import Path
from typing import Any
@ -30,6 +32,8 @@ except ImportError: # pragma: no cover - optional runtime dependency
app = FastAPI(title="Local CV Visual Analysis Worker")
_yolo_model: Any | None = None
logging.basicConfig(level=os.getenv("LOCAL_CV_LOG_LEVEL", "INFO"))
log = logging.getLogger("local_cv_worker")
@app.get("/health")
@ -44,14 +48,33 @@ def health() -> dict[str, Any]:
@app.post("/v1/analyze-visuals")
def analyze_visuals(payload: dict[str, Any]) -> dict[str, Any]:
started_at = time.monotonic()
source = payload.get("source", {})
thumbnails = [str(item) for item in payload.get("thumbnails", [])]
readable_thumbnails = [path for path in thumbnails if Path(path).is_file()]
clip_id = source.get("clipId", "source")
log.info(
"event=local_cv_worker_request_started clip_id=%s thumbnails=%d readable_thumbnails=%d "
"shot_segments=%d duration_seconds=%s",
clip_id,
len(thumbnails),
len(readable_thumbnails),
len(payload.get("shotSegments", [])),
source.get("durationSeconds", 0),
)
if len(readable_thumbnails) != len(thumbnails):
unreadable = [path for path in thumbnails if path not in readable_thumbnails]
log.warning(
"event=local_cv_worker_unreadable_thumbnails clip_id=%s unreadable_count=%d unreadable=%s",
clip_id,
len(unreadable),
unreadable[:10],
)
quality = quality_scores(readable_thumbnails)
labels = object_labels(readable_thumbnails)
return {
"clipId": source.get("clipId", "source"),
response = {
"clipId": clip_id,
"blurScore": quality["blurScore"],
"exposureScore": quality["exposureScore"],
"motionScore": motion_score(payload.get("shotSegments", []), source.get("durationSeconds", 0)),
@ -61,10 +84,25 @@ def analyze_visuals(payload: dict[str, Any]) -> dict[str, Any]:
"representativeThumbnails": representative_thumbnails(readable_thumbnails or thumbnails),
"analysisMethod": "local_cv_worker_opencv_yolo" if labels else "local_cv_worker_opencv",
}
log.info(
"event=local_cv_worker_request_completed clip_id=%s elapsed_ms=%d blur_score=%s "
"exposure_score=%s object_labels=%d method=%s",
clip_id,
elapsed_ms(started_at),
response["blurScore"],
response["exposureScore"],
len(response["objectLabels"]),
response["analysisMethod"],
)
return response
def quality_scores(thumbnails: list[str]) -> dict[str, float]:
if cv2 is None or not thumbnails:
log.info(
"event=local_cv_worker_quality_defaulted reason=%s",
"opencv_unavailable" if cv2 is None else "no_readable_thumbnails",
)
return {"blurScore": 0.5, "exposureScore": 0.5}
blur_scores: list[float] = []
@ -86,8 +124,14 @@ def quality_scores(thumbnails: list[str]) -> dict[str, float]:
def object_labels(thumbnails: list[str]) -> list[dict[str, Any]]:
started_at = time.monotonic()
model = yolo_model()
if model is None or not thumbnails:
log.info(
"event=local_cv_worker_object_detection_skipped reason=%s thumbnails=%d",
"model_unavailable" if model is None else "no_readable_thumbnails",
len(thumbnails),
)
return []
labels: dict[str, float] = {}
@ -101,10 +145,17 @@ def object_labels(thumbnails: list[str]) -> list[dict[str, Any]]:
confidence = float(box.conf[0])
labels[label] = max(labels.get(label, 0.0), confidence)
return [
detected = [
{"label": label, "confidence": round(clamp(confidence), 3), "source": "yolo"}
for label, confidence in sorted(labels.items(), key=lambda item: item[1], reverse=True)[:10]
]
log.info(
"event=local_cv_worker_object_detection_completed elapsed_ms=%d thumbnails=%d labels=%d",
elapsed_ms(started_at),
len(thumbnails),
len(detected),
)
return detected
def yolo_model() -> Any | None:
@ -113,7 +164,10 @@ def yolo_model() -> Any | None:
if YOLO is None or not model_path:
return None
if _yolo_model is None:
started_at = time.monotonic()
log.info("event=local_cv_worker_yolo_model_loading model=%s", model_path)
_yolo_model = YOLO(model_path)
log.info("event=local_cv_worker_yolo_model_loaded model=%s elapsed_ms=%d", model_path, elapsed_ms(started_at))
return _yolo_model
@ -175,3 +229,7 @@ def average_or_default(values: list[float], default: float) -> float:
def clamp(value: float) -> float:
return max(0.0, min(1.0, value))
def elapsed_ms(started_at: float) -> int:
return int((time.monotonic() - started_at) * 1000)