Files
momentry_portal/src/components/FaceTraceTimeline.vue
2026-05-20 08:29:37 +08:00

351 lines
13 KiB
Vue

<template>
<div class="space-y-4">
<!-- Header -->
<div class="flex items-center justify-between">
<h3 class="text-xl font-semibold flex items-center gap-2">
<span>臉部追蹤</span>
<span class="text-sm text-gray-400 font-normal">({{ totalTraces }} 個追蹤, {{ totalFaces }} 個臉孔)</span>
</h3>
<div class="flex items-center gap-2">
<select v-model="sortBy" @change="loadTraces"
class="bg-gray-700 text-sm rounded px-3 py-1.5 border border-gray-600">
<option value="face_count">臉孔數</option>
<option value="duration">持續時間</option>
<option value="first_appearance">首次出現</option>
</select>
<select v-model="limit" @change="loadTraces"
class="bg-gray-700 text-sm rounded px-3 py-1.5 border border-gray-600">
<option :value="50">50 </option>
<option :value="100">100 </option>
<option :value="500">500 </option>
</select>
</div>
</div>
<!-- Step 3: Filter Bar -->
<div class="bg-gray-750 rounded-lg p-4 border border-gray-700 grid grid-cols-2 md:grid-cols-4 gap-4 text-sm">
<div>
<label class="text-gray-400 text-xs block mb-1">最少臉孔</label>
<input type="number" min="1" max="100" v-model.number="filterMinFaces"
@change="loadTraces"
class="w-full bg-gray-700 rounded px-2 py-1.5 border border-gray-600 text-white" />
</div>
<div>
<label class="text-gray-400 text-xs block mb-1">最小信心</label>
<input type="range" min="0" max="100" v-model.number="filterMinConfPct"
@change="loadTraces"
class="w-full accent-blue-500" />
<span class="text-gray-500 text-xs">{{ filterMinConfPct }}%</span>
</div>
<div>
<label class="text-gray-400 text-xs block mb-1">最大信心</label>
<input type="range" min="0" max="100" v-model.number="filterMaxConfPct"
@change="loadTraces"
class="w-full accent-blue-500" />
<span class="text-gray-500 text-xs">{{ filterMaxConfPct }}%</span>
</div>
<div class="flex items-end">
<button @click="resetFilters"
class="px-3 py-1.5 bg-gray-700 hover:bg-gray-600 rounded text-xs transition">
重設
</button>
</div>
</div>
<!-- Step 2: Timeline Bar Chart -->
<div v-if="Object.keys(traces).length > 0" class="bg-gray-800 rounded-lg p-4 border border-gray-700 overflow-x-auto">
<div class="relative" :style="{ height: timelineHeight + 'px' }">
<!-- Time axis -->
<div class="absolute bottom-0 left-0 right-0 flex text-xs text-gray-500">
<div v-for="t in timeTicks" :key="t"
class="flex-1 border-l border-gray-700 pl-1">
{{ t }}s
</div>
</div>
<!-- Trace bars -->
<div v-for="(trace, i) in topTracesForTimeline" :key="trace.trace_id"
class="absolute left-0 right-0 flex items-center cursor-pointer hover:opacity-80 transition"
:style="{
bottom: barPosition(i) + '%',
height: barHeight() + '%'
}"
@click="toggleExpand(trace.trace_id)">
<div class="h-full rounded-sm transition-all"
:style="{
width: barWidthPct(trace) + '%',
backgroundColor: barColor(trace.avg_confidence),
marginLeft: barOffsetPct(trace) + '%'
}"
:title="`#${trace.trace_id}: ${trace.face_count} faces`">
</div>
<span v-if="barWidthPct(trace) > 8"
class="absolute left-1 text-xs text-white truncate pointer-events-none">
#{{ trace.trace_id }}
</span>
</div>
</div>
</div>
<!-- Grid -->
<div v-if="loading" class="flex justify-center py-8">
<div class="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-500"></div>
</div>
<div v-else-if="error" class="bg-red-900/30 text-red-300 p-4 rounded-lg text-sm">
{{ error }}
</div>
<div v-else-if="Object.keys(traces).length === 0" class="text-gray-500 text-center py-8 text-sm">
尚無臉部追蹤資料
</div>
<div v-else class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-3">
<div v-for="trace in traces" :key="trace.trace_id"
class="bg-gray-800 rounded-lg border border-gray-700 overflow-hidden hover:border-blue-500/50 transition cursor-pointer"
@click="toggleExpand(trace.trace_id)">
<div class="aspect-video bg-gray-900 relative overflow-hidden">
<img v-if="trace.sample_face_id"
:src="`${apiBase}/api/v1/file/${fileUuid}/trace/${trace.trace_id}/video`"
:alt="`Trace ${trace.trace_id}`"
class="w-full h-full object-cover"
loading="lazy" />
<div class="absolute top-2 left-2 bg-black/70 text-xs px-2 py-0.5 rounded font-mono">
#{{ trace.trace_id }}
</div>
<div class="absolute bottom-2 right-2 bg-black/70 text-xs px-2 py-0.5 rounded"
:class="confidenceColor(trace.avg_confidence)">
{{ (trace.avg_confidence * 100).toFixed(0) }}%
</div>
</div>
<div class="p-3 text-sm space-y-1">
<div class="flex justify-between text-gray-400">
<span>臉孔: <strong class="text-white">{{ trace.face_count }}</strong></span>
<span>{{ trace.first_sec.toFixed(1) }}s - {{ trace.last_sec.toFixed(1) }}s</span>
</div>
<div class="flex justify-between text-gray-400">
<span>: {{ trace.first_frame }}-{{ trace.last_frame }}</span>
<span>持續 {{ trace.duration_sec.toFixed(1) }}s</span>
</div>
<div class="w-full bg-gray-700 rounded-full h-1 mt-1">
<div class="bg-blue-500 h-1 rounded-full transition-all"
:style="{ width: barWidth(trace) }">
</div>
</div>
</div>
<!-- Step 1: Expandable Detail -->
<div v-if="expandedTrace === trace.trace_id"
class="border-t border-gray-700 bg-gray-850"
@click.stop>
<div class="p-3">
<div v-if="loadingFaces[trace.trace_id]" class="flex justify-center py-4">
<div class="animate-spin rounded-full h-6 w-6 border-b-2 border-blue-500"></div>
</div>
<div v-else-if="faceErrors[trace.trace_id]" class="text-red-400 text-xs">
{{ faceErrors[trace.trace_id] }}
</div>
<div v-else-if="traceFaces[trace.trace_id]?.length" class="space-y-2">
<div class="text-xs text-gray-500 mb-2">
{{ faceTotals[trace.trace_id] || 0 }} 個臉孔偵測
</div>
<div class="grid grid-cols-4 sm:grid-cols-6 md:grid-cols-8 gap-1.5 max-h-48 overflow-y-auto">
<div v-for="face in traceFaces[trace.trace_id]" :key="face.id"
class="relative aspect-square bg-gray-900 rounded overflow-hidden group"
:class="face.interpolated ? 'opacity-40' : ''">
<img v-if="!face.interpolated"
:src="`${apiBase}/api/v1/file/${fileUuid}/thumbnail?frame=${face.start_frame}&x=${face.x}&y=${face.y}&w=${face.width}&h=${face.height}`"
:alt="`Frame ${face.start_frame}`"
class="w-full h-full object-cover"
loading="lazy"
@error="onImgError" />
<div v-else
class="w-full h-full flex items-center justify-center border border-dashed border-gray-600 rounded text-gray-600 text-[9px]">
{{ face.start_frame }}
</div>
<div class="absolute bottom-0 inset-x-0 bg-black/70 text-[9px] text-gray-300 px-1 truncate opacity-0 group-hover:opacity-100 transition">
#{{ face.start_frame }} {{ face.interpolated ? '' : (face.confidence * 100).toFixed(0) + '%' }}
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</template>
<script setup lang="ts">
import { ref, computed, onMounted } from 'vue'
import { getCurrentConfig, httpFetch } from '@/api/client'
const props = defineProps<{
fileUuid: string
totalDuration: number
}>()
const apiBase = ref('')
const traces = ref<any[]>([])
const totalTraces = ref(0)
const totalFaces = ref(0)
const loading = ref(false)
const error = ref('')
const sortBy = ref('face_count')
const limit = ref(100)
// Filter state
const filterMinFaces = ref(1)
const filterMinConfPct = ref(0)
const filterMaxConfPct = ref(100)
// Expanded trace detail
const expandedTrace = ref<number | null>(null)
const traceFaces = ref<Record<number, any[]>>({})
const faceTotals = ref<Record<number, number>>({})
const loadingFaces = ref<Record<number, boolean>>({})
const faceErrors = ref<Record<number, string>>({})
const duration = computed(() => props.totalDuration || 1 || 3000)
// Step 2: Timeline helpers
const timelineMaxTraces = 30
const timelineHeight = 120
const topTracesForTimeline = computed(() => {
const sorted = [...traces.value].sort((a, b) => b.face_count - a.face_count)
return sorted.slice(0, timelineMaxTraces)
})
const timeTicks = computed(() => {
const dur = duration.value
const step = Math.max(30, Math.round(dur / 10 / 30) * 30)
const ticks: number[] = []
for (let t = 0; t <= dur; t += step) {
ticks.push(t)
}
return ticks
})
function barPosition(index: number): number {
const count = topTracesForTimeline.value.length
const gap = 1
const barH = Math.max(8, (100 - gap * (count + 1)) / count)
return gap + index * (barH + gap)
}
function barHeight(): number {
const count = topTracesForTimeline.value.length
const gap = 1
const barH = Math.max(8, (100 - gap * (count + 1)) / count)
return barH
}
function barWidthPct(trace: any): number {
const dur = duration.value
if (!dur) return 0
return Math.max(0.5, ((trace.last_sec || 1) - (trace.first_sec || 0)) / dur * 100)
}
function barOffsetPct(trace: any): number {
const dur = duration.value
if (!dur) return 0
return ((trace.first_sec || 0) / dur) * 100
}
function barColor(conf: number): string {
if (conf >= 0.8) return 'rgba(74, 222, 128, 0.7)'
if (conf >= 0.6) return 'rgba(250, 204, 21, 0.7)'
return 'rgba(248, 113, 113, 0.7)'
}
function confidenceColor(conf: number): string {
if (conf >= 0.8) return 'text-green-400'
if (conf >= 0.6) return 'text-yellow-400'
return 'text-red-400'
}
function barWidth(trace: any): string {
const pct = totalTraces.value > 0
? (trace.face_count / (totalFaces.value || 1)) * 100
: 0
return `${Math.min(pct, 100)}%`
}
function onImgError(e: Event) {
const el = e.target as HTMLImageElement
el.style.display = 'none'
}
function resetFilters() {
filterMinFaces.value = 1
filterMinConfPct.value = 0
filterMaxConfPct.value = 100
loadTraces()
}
async function toggleExpand(traceId: number) {
if (expandedTrace.value === traceId) {
expandedTrace.value = null
return
}
expandedTrace.value = traceId
if (!traceFaces.value[traceId]) {
await loadTraceFaces(traceId)
}
}
async function loadTraceFaces(traceId: number) {
loadingFaces.value[traceId] = true
faceErrors.value[traceId] = ''
try {
const config = getCurrentConfig()
const data = await httpFetch<any>(
`${config.api_base_url}/api/v1/file/${props.fileUuid}/trace/${traceId}/faces?limit=200&interpolate=true`,
)
traceFaces.value[traceId] = data.faces || []
faceTotals.value[traceId] = data.total || 0
} catch (e: any) {
faceErrors.value[traceId] = e?.message || '載入失敗'
} finally {
loadingFaces.value[traceId] = false
}
}
async function loadTraces() {
loading.value = true
error.value = ''
try {
const config = getCurrentConfig()
apiBase.value = config.api_base_url
const apiSort = sortBy.value === 'face_count' ? 'face_count'
: sortBy.value === 'duration' ? 'duration'
: 'first_appearance'
const data = await httpFetch<any>(
`${config.api_base_url}/api/v1/file/${props.fileUuid}/face_trace/sortby`,
{
method: 'POST',
body: JSON.stringify({
sort_by: apiSort,
limit: limit.value,
min_faces: filterMinFaces.value,
min_confidence: filterMinConfPct.value / 100,
max_confidence: filterMaxConfPct.value / 100,
})
}
)
traces.value = data.traces || []
totalTraces.value = data.total_traces || 0
totalFaces.value = data.total_faces || 0
} catch (e: any) {
error.value = e?.message || '載入臉部追蹤資料失敗'
} finally {
loading.value = false
}
}
onMounted(() => {
loadTraces()
})
</script>