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@@ -16,6 +16,9 @@ export default function WaveformEditor({ audioUrl, startTime, duration, unlockSt
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const [audioDuration, setAudioDuration] = useState(0);
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const [isPlaying, setIsPlaying] = useState(false);
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const [playingSegment, setPlayingSegment] = useState<number | null>(null);
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const [isPlayingFullTitle, setIsPlayingFullTitle] = useState(false);
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const [pausedPosition, setPausedPosition] = useState<number | null>(null); // Position when paused
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const [pausedType, setPausedType] = useState<'selection' | 'title' | null>(null); // Type of playback that was paused
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const [zoom, setZoom] = useState(1); // 1 = full view, higher = zoomed in
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const [viewOffset, setViewOffset] = useState(0); // Offset in seconds for panning
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const [playbackPosition, setPlaybackPosition] = useState<number | null>(null); // Current playback position in seconds
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@@ -233,11 +236,22 @@ export default function WaveformEditor({ audioUrl, startTime, duration, unlockSt
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setHoverPreviewTime(null);
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};
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const stopPlayback = () => {
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const stopPlayback = (savePosition = false) => {
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if (savePosition && playbackPosition !== null) {
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// Save current position for resume
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setPausedPosition(playbackPosition);
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} else {
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// Clear paused position if stopping completely
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setPausedPosition(null);
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setPausedType(null);
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}
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sourceRef.current?.stop();
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setIsPlaying(false);
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setPlayingSegment(null);
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setPlaybackPosition(null);
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setIsPlayingFullTitle(false);
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if (!savePosition) {
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setPlaybackPosition(null);
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}
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if (animationFrameRef.current) {
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cancelAnimationFrame(animationFrameRef.current);
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animationFrameRef.current = null;
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@@ -305,33 +319,114 @@ export default function WaveformEditor({ audioUrl, startTime, duration, unlockSt
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const handlePlayFull = () => {
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if (!audioBuffer || !audioContextRef.current) return;
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// If full playback is already playing, stop it
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if (isPlaying && playingSegment === null) {
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stopPlayback();
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// If full selection playback is already playing, pause it
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if (isPlaying && playingSegment === null && !isPlayingFullTitle) {
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stopPlayback(true); // Save position
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setPausedType('selection');
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return;
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}
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// Stop any current playback (segment or full)
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// Stop any current playback (segment, full selection, or full title)
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stopPlayback();
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// Start full playback
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// Determine start position (resume from pause or start from beginning)
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const resumePosition = pausedType === 'selection' && pausedPosition !== null
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? pausedPosition
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: startTime;
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const remainingDuration = resumePosition >= startTime + duration
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? 0
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: (startTime + duration) - resumePosition;
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if (remainingDuration <= 0) {
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// Already finished, reset
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setPausedPosition(null);
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setPausedType(null);
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return;
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}
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// Start full selection playback
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const source = audioContextRef.current.createBufferSource();
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source.buffer = audioBuffer;
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source.connect(audioContextRef.current.destination);
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playbackStartTimeRef.current = audioContextRef.current.currentTime;
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playbackOffsetRef.current = startTime;
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playbackOffsetRef.current = resumePosition;
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source.start(0, startTime, duration);
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source.start(0, resumePosition, remainingDuration);
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sourceRef.current = source;
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setIsPlaying(true);
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setPlayingSegment(null); // Ensure playingSegment is null for full playback
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setPlaybackPosition(startTime);
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setPlayingSegment(null);
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setIsPlayingFullTitle(false);
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setPausedPosition(null);
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setPausedType(null);
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setPlaybackPosition(resumePosition);
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source.onended = () => {
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setIsPlaying(false);
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setPlayingSegment(null);
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setIsPlayingFullTitle(false);
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setPlaybackPosition(null);
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setPausedPosition(null);
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setPausedType(null);
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if (animationFrameRef.current) {
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cancelAnimationFrame(animationFrameRef.current);
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animationFrameRef.current = null;
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}
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};
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};
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const handlePlayFullTitle = () => {
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if (!audioBuffer || !audioContextRef.current) return;
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// If full title playback is already playing, pause it
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if (isPlaying && isPlayingFullTitle) {
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stopPlayback(true); // Save position
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setPausedType('title');
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return;
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}
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// Stop any current playback (segment, full selection, or full title)
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stopPlayback();
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// Determine start position (resume from pause or start from beginning)
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const resumePosition = pausedType === 'title' && pausedPosition !== null
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? pausedPosition
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: 0;
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const remainingDuration = resumePosition >= audioDuration
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? 0
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: audioDuration - resumePosition;
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if (remainingDuration <= 0) {
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// Already finished, reset
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setPausedPosition(null);
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setPausedType(null);
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return;
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}
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// Start full title playback (from resumePosition to audioDuration)
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const source = audioContextRef.current.createBufferSource();
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source.buffer = audioBuffer;
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source.connect(audioContextRef.current.destination);
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playbackStartTimeRef.current = audioContextRef.current.currentTime;
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playbackOffsetRef.current = resumePosition;
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source.start(0, resumePosition, remainingDuration);
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sourceRef.current = source;
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setIsPlaying(true);
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setPlayingSegment(null);
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setIsPlayingFullTitle(true);
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setPausedPosition(null);
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setPausedType(null);
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setPlaybackPosition(resumePosition);
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source.onended = () => {
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setIsPlaying(false);
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setPlayingSegment(null);
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setIsPlayingFullTitle(false);
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setPlaybackPosition(null);
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setPausedPosition(null);
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setPausedType(null);
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if (animationFrameRef.current) {
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cancelAnimationFrame(animationFrameRef.current);
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animationFrameRef.current = null;
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@@ -427,7 +522,29 @@ export default function WaveformEditor({ audioUrl, startTime, duration, unlockSt
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fontWeight: 'bold'
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}}
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>
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{isPlaying && playingSegment === null ? '⏸ Pause' : '▶ Play Full Selection'}
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{isPlaying && playingSegment === null && !isPlayingFullTitle
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? '⏸ Pause'
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: (pausedType === 'selection' && pausedPosition !== null
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? '▶ Resume'
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: '▶ Play Full Selection')}
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</button>
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<button
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onClick={handlePlayFullTitle}
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style={{
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padding: '0.5rem 1rem',
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background: '#10b981',
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color: 'white',
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border: 'none',
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borderRadius: '0.5rem',
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cursor: 'pointer',
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fontWeight: 'bold'
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}}
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>
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{isPlaying && isPlayingFullTitle
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? '⏸ Pause'
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: (pausedType === 'title' && pausedPosition !== null
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? '▶ Resume'
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: '▶ Play Full Title')}
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</button>
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<div style={{ fontSize: '0.875rem', color: '#666' }}>
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