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Update app.py
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app.py
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@@ -3,28 +3,41 @@ import subprocess
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import tempfile
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from pathlib import Path
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import uuid
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import shutil
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allowed_medias = [".png", ".jpg", ".jpeg", ".bmp", ".gif", ".tiff"]
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def
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#
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image_path = Path(image_file.name) if hasattr(image_file, "name") else Path(image_file)
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# Erstelle temporäres Verzeichnis
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temp_dir = tempfile.mkdtemp()
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cmd = [
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"ffmpeg",
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"-y",
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"-
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"-
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"-vf", "scale=trunc(iw/2)*2:trunc(ih/2)*2,fps=25,format=yuv420p",
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"-t", "5",
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str(output_file)
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]
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@@ -33,19 +46,25 @@ def execute_ffmpeg_image_to_video(image_file):
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except subprocess.CalledProcessError as e:
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return None, f"❌ FFmpeg Fehler:\n{e.stderr}"
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# Gradio benötigt einen String-Pfad oder URL
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if output_file.exists():
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return str(output_file), "✅ Video
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else:
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return None, "❌ Video konnte nicht erstellt werden"
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# Gradio UI
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with gr.Blocks() as demo:
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gr.Markdown("#
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out_video = gr.Video(interactive=False, label="Generiertes Video")
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status = gr.Textbox(interactive=False, label="Status")
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btn = gr.Button("Video erstellen")
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btn.click(
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demo.launch()
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import tempfile
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from pathlib import Path
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import uuid
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allowed_medias = [".png", ".jpg", ".jpeg", ".bmp", ".gif", ".tiff"]
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def generate_slideshow(images, duration):
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"""
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Erzeugt ein Video aus mehreren Bildern in einer frei wählbaren Reihenfolge.
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Dauer: Sekunden pro Bild
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"""
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if not images:
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return None, "❌ Keine Bilder ausgewählt"
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# Temporäres Verzeichnis
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temp_dir = tempfile.mkdtemp()
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filelist_path = Path(temp_dir) / "filelist.txt"
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output_file = Path(temp_dir) / f"slideshow_{uuid.uuid4().hex}.mp4"
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# FFmpeg braucht ein Filelist-Format:
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# file 'path/to/image'
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# duration 5
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with open(filelist_path, "w") as f:
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for img in images:
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img_path = Path(img.name) if hasattr(img, "name") else Path(img)
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# Breite/Höhe auf gerade Werte skalieren
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f.write(f"file '{img_path}'\n")
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f.write(f"duration {duration}\n")
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# FFmpeg benötigt letztes Bild nochmal, um das Ende korrekt zu machen
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f.write(f"file '{Path(images[-1].name if hasattr(images[-1], 'name') else images[-1])}'\n")
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cmd = [
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"ffmpeg",
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"-y",
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"-f", "concat",
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"-safe", "0",
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"-i", str(filelist_path),
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"-vf", "scale=trunc(iw/2)*2:trunc(ih/2)*2,fps=25,format=yuv420p",
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str(output_file)
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]
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except subprocess.CalledProcessError as e:
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return None, f"❌ FFmpeg Fehler:\n{e.stderr}"
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if output_file.exists():
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return str(output_file), f"✅ Slideshow Video erstellt ({len(images)} Bilder, {duration}s pro Bild)"
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else:
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return None, "❌ Video konnte nicht erstellt werden"
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# Gradio UI
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with gr.Blocks() as demo:
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gr.Markdown("# Slideshow Video Generator")
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img_input = gr.File(file_types=allowed_medias, label="Bilder auswählen (mehrere)", file_types_allow_multiple=True)
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duration_input = gr.Number(value=3, label="Dauer pro Bild in Sekunden", precision=1)
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out_video = gr.Video(interactive=False, label="Generiertes Video")
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status = gr.Textbox(interactive=False, label="Status")
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btn = gr.Button("Video erstellen")
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btn.click(
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fn=generate_slideshow,
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inputs=[img_input, duration_input],
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outputs=[out_video, status]
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)
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demo.launch()
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