diff --git a/Script_Speech_recognition/videoplayer.js b/Script_Speech_recognition/videoplayer.js new file mode 100644 index 0000000..5d5397f --- /dev/null +++ b/Script_Speech_recognition/videoplayer.js @@ -0,0 +1,110 @@ +const inputText = document.getElementById('inputText'); +const videoPlayer = document.getElementById('translationVideo'); +const translateWordsBtn = document.getElementById('translateWordsBtn'); +const translateLettersBtn = document.getElementById('translateLettersBtn'); +const prevBtn = document.getElementById('prevBtn'); +const nextBtn = document.getElementById('nextBtn'); + +let videoSequence = []; // Array to store video paths +let currentIndex = 0; // Track the current video index +let autoPlayEnabled = true; // Flag for autoplay + +// Helper function to check if a video file exists +function videoExists(src) { + return new Promise(resolve => { + const video = document.createElement('video'); + video.src = src; + video.onloadeddata = () => resolve(true); + video.onerror = () => resolve(false); + }); +} + +// Function to load video sequence based on words +async function loadVideoSequenceByWords() { + const words = inputText.value.trim().split(' '); // Split input into words + videoSequence = []; + + for (const word of words) { + const videoSrc = `video/${word.toLowerCase()}.mp4`; + if (await videoExists(videoSrc)) { + videoSequence.push(videoSrc); + } + } + currentIndex = 0; +} + +// Function to load video sequence based on letters +async function loadVideoSequenceByLetters() { + const characters = inputText.value.trim().split(''); // Split input into characters + videoSequence = []; + + for (const char of characters) { + // Skip spaces and punctuation + if (/[a-zA-Z]/.test(char)) { + const videoSrc = `video/pismena/${char.toLowerCase()}.mp4`; + if (await videoExists(videoSrc)) { + videoSequence.push(videoSrc); + } + } + } + currentIndex = 0; +} + +// Function to play video at the specified index +function playVideoAtIndex(index) { + if (index < 0 || index >= videoSequence.length) return; + + videoPlayer.src = videoSequence[index]; + videoPlayer.play(); + currentIndex = index; + + if (autoPlayEnabled) { + videoPlayer.onended = () => { + currentIndex++; + if (currentIndex < videoSequence.length) { + playVideoAtIndex(currentIndex); + } else { + autoPlayEnabled = false; + } + }; + } else { + videoPlayer.onended = null; + } +} + +// Event listener for the "Preložiť po slovách" button +translateWordsBtn.addEventListener('click', async () => { + autoPlayEnabled = true; + await loadVideoSequenceByWords(); + if (videoSequence.length > 0) { + playVideoAtIndex(currentIndex); + } +}); + +// Event listener for the "Preložiť po písmenách" button +translateLettersBtn.addEventListener('click', async () => { + autoPlayEnabled = true; + await loadVideoSequenceByLetters(); + if (videoSequence.length > 0) { + playVideoAtIndex(currentIndex); + } +}); + +// Event listeners for "Previous" and "Next" buttons +prevBtn.addEventListener('click', () => { + if (currentIndex > 0) { + autoPlayEnabled = false; + currentIndex--; + playVideoAtIndex(currentIndex); + } +}); + +nextBtn.addEventListener('click', () => { + if (currentIndex < videoSequence.length - 1) { + autoPlayEnabled = false; + currentIndex++; + playVideoAtIndex(currentIndex); + } +}); + +