优化目录结构

client/public/call/media/renderer-media.js

@@ -0,0 +1,191 @@
+import { createParticipantTile, getParticipantTile } from '../participants/renderer-participant-grid.js';
+import { createLogger } from '../../shared/logger.js';
+
+const logger = createLogger('renderer-media');
+
+export function getVideoResolution(track) {
+    if (track && track.getSettings) {
+        const settings = track.getSettings();
+        return {
+            width: settings.width || 640,
+            height: settings.height || 480
+        };
+    }
+
+    return { width: 640, height: 480 };
+}
+
+export function adjustVideoSize(videoElement) {
+    if (!videoElement) return;
+
+    const container = videoElement.parentElement;
+    if (!container) return;
+
+    videoElement.style.transform = 'translateZ(0)';
+    videoElement.style.willChange = 'transform';
+    container.style.display = 'flex';
+    container.style.alignItems = 'center';
+    container.style.justifyContent = 'center';
+    videoElement.style.imageRendering = 'auto';
+    videoElement.style.maxWidth = '100%';
+    videoElement.style.maxHeight = '100%';
+    videoElement.style.objectFit = 'contain';
+}
+
+export function renderParticipantStreamMedia({
+    grid,
+    stream,
+    connectionId,
+    displayName,
+    getGridTemplateColumns,
+    remoteVideo,
+    connectingOverlay,
+    remoteVideoPlaceholder
+}) {
+    if (!grid) return;
+
+    grid.classList.remove('hidden');
+
+    let tile = getParticipantTile(grid, connectionId);
+    if (!tile) {
+        tile = createParticipantTile(connectionId, displayName);
+        grid.appendChild(tile);
+        logger.debug(`Created participant video tile for ${connectionId}`);
+    }
+
+    const video = tile.querySelector('video');
+    if (video && stream) {
+        if (video.srcObject === stream) {
+            logger.debug(`Same stream for participant ${connectionId}, ensuring playback`);
+            video.play().catch(error => logger.debug('Auto-play prevented:', error.message));
+        } else {
+            video.srcObject = stream;
+            video.play().catch(error => logger.debug('Auto-play prevented:', error.message));
+            logger.debug(`Set remote stream for participant tile ${connectionId}`);
+        }
+    }
+
+    const remoteVideoContainer = remoteVideo?.closest('.absolute.inset-0.video-fade-in');
+    if (remoteVideoContainer) {
+        remoteVideoContainer.classList.add('hidden');
+    }
+
+    const tileCount = grid.querySelectorAll('[data-participant-id]').length;
+    grid.style.gridTemplateColumns = getGridTemplateColumns(tileCount);
+
+    if (connectingOverlay) {
+        connectingOverlay.classList.add('hidden');
+    }
+    if (remoteVideoPlaceholder) {
+        remoteVideoPlaceholder.classList.add('hidden');
+    }
+}
+
+export function renderSingleRemoteStreamMedia({
+    remoteVideo,
+    stream,
+    disconnectedOverlay,
+    remoteVideoPlaceholder,
+    connectingOverlay
+}) {
+    if (!remoteVideo || !stream) {
+        logger.error('Either remoteVideo element or stream is missing');
+        return;
+    }
+
+    logger.debug('Rendering remote stream:', stream, 'tracks:', stream.getTracks().map(track => `${track.kind}(${track.readyState})`));
+
+    if (remoteVideo.srcObject === stream) {
+        logger.debug('Same stream object, track added - ensuring playback');
+        remoteVideo.play().catch(error => logger.debug('Auto-play prevented:', error.message));
+        return;
+    }
+
+    remoteVideo.srcObject = stream;
+    remoteVideo.autoplay = true;
+    remoteVideo.playsinline = true;
+    remoteVideo.muted = false;
+    remoteVideo.play().catch(error => {
+        logger.debug('Auto-play prevented, will retry on interaction:', error.message);
+    });
+
+    if (disconnectedOverlay) {
+        disconnectedOverlay.classList.add('hidden');
+    }
+
+    const videoTracks = stream.getVideoTracks();
+    const audioTracks = stream.getAudioTracks();
+    logger.debug(`Stream has ${videoTracks.length} video tracks, ${audioTracks.length} audio tracks`);
+
+    if (videoTracks.length === 0) {
+        logger.debug('Audio-only stream, waiting for video track...');
+        return;
+    }
+
+    if (remoteVideoPlaceholder) {
+        remoteVideoPlaceholder.classList.add('hidden');
+    }
+    if (connectingOverlay) {
+        connectingOverlay.classList.add('hidden');
+    }
+
+    const activeVideoTrack = videoTracks.find(track => track.readyState === 'live');
+    if (!activeVideoTrack) return;
+
+    adjustVideoSize(remoteVideo, getVideoResolution(activeVideoTrack));
+    activeVideoTrack.addEventListener('resize', () => {
+        adjustVideoSize(remoteVideo, getVideoResolution(activeVideoTrack));
+    });
+}
+
+export function clearParticipantGrid(grid) {
+    if (!grid) return;
+
+    grid.querySelectorAll('[data-participant-id]').forEach(tile => {
+        const video = tile.querySelector('video');
+        if (video) {
+            video.srcObject = null;
+        }
+        tile.remove();
+    });
+    grid.classList.add('hidden');
+}
+
+export function removeParticipantTile({
+    grid,
+    connectionId,
+    getGridTemplateColumns,
+    remoteVideo,
+    remoteVideoPlaceholder,
+    remoteNetworkIndicator
+}) {
+    if (!grid) return;
+
+    const tile = getParticipantTile(grid, connectionId);
+    if (tile) {
+        const video = tile.querySelector('video');
+        if (video) {
+            video.srcObject = null;
+        }
+        tile.remove();
+        logger.debug(`Removed participant video tile for ${connectionId}`);
+    }
+
+    const remainingTiles = grid.querySelectorAll('[data-participant-id]');
+    if (remainingTiles.length === 0) {
+        grid.classList.add('hidden');
+        const remoteVideoContainer = remoteVideo?.closest('.absolute.inset-0.video-fade-in');
+        if (remoteVideoContainer) {
+            remoteVideoContainer.classList.remove('hidden');
+        }
+        if (remoteVideoPlaceholder) {
+            remoteVideoPlaceholder.classList.remove('hidden');
+        }
+    } else {
+        grid.style.gridTemplateColumns = getGridTemplateColumns(remainingTiles.length);
+    }
+
+    if (remoteNetworkIndicator) {
+        remoteNetworkIndicator.className = 'w-2 h-2 bg-gray-500 rounded-full';
+    }
+}