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.gradio/certificate.pem

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+-----BEGIN CERTIFICATE-----
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README.md

@@ -1,12 +1,6 @@
 ---
 title: VideoRotate
-emoji: 🦀
-colorFrom: gray
-colorTo: red
+app_file: app.py
 sdk: gradio
 sdk_version: 5.49.1
-app_file: app.py
-pinned: false
 ---
-
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference

app.py

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+import gradio as gr
+import tempfile
+import os
+import subprocess
+from imageio_ffmpeg import get_ffmpeg_exe
+
+
+def rotate_video(input_file, rotation):
+    if not input_file:
+        return None, None
+    angles = {
+        "90° clockwise": -90,
+        "90° counter-clockwise": 90,
+        "180°": 180,
+    }
+    angle = angles.get(rotation, -90)
+    # Resolve input path from various possible formats (str path, dict with path/name, or file-like)
+    input_path = None
+    if isinstance(input_file, str) and os.path.exists(input_file):
+        input_path = input_file
+    elif isinstance(input_file, dict):
+        # Try common keys first
+        for k in ("path", "name", "video", "file"):
+            v = input_file.get(k)
+            if isinstance(v, str) and os.path.exists(v):
+                input_path = v
+                break
+        # Fallback: scan all values for a valid path string
+        if not input_path:
+            for v in input_file.values():
+                if isinstance(v, str) and os.path.exists(v):
+                    input_path = v
+                    break
+    elif hasattr(input_file, "name"):
+        v = getattr(input_file, "name", None)
+        if v and os.path.exists(v):
+            input_path = v
+    if not input_path:
+        return None, None
+    tmpdir = tempfile.mkdtemp(prefix="rotate_")
+    out_path = os.path.join(tmpdir, "rotated.mp4")
+
+    # Build FFmpeg transpose filter (no borders for multiples of 90)
+    if angle == -90:  # clockwise
+        vf_filter = "transpose=1"
+    elif angle == 90:  # counter-clockwise
+        vf_filter = "transpose=2"
+    elif angle == 180 or angle == -180:
+        vf_filter = "transpose=1,transpose=1"  # 180°
+    else:
+        vf_filter = "transpose=1"  # default safeguard
+
+    ffmpeg_exe = get_ffmpeg_exe()
+    base_cmd = [
+        ffmpeg_exe,
+        "-y",
+        "-i", input_path,
+        "-vf", vf_filter,
+        "-c:v", "libx264",
+        "-pix_fmt", "yuv420p",
+        "-preset", "medium",
+        "-crf", "20",
+        "-movflags", "+faststart",
+        "-c:a", "aac",
+        out_path,
+    ]
+    try:
+        subprocess.run(base_cmd, check=True)
+    except subprocess.CalledProcessError:
+        # Fallback: try without audio if AAC not available
+        cmd_no_audio = base_cmd.copy()
+        # replace audio settings with -an
+        if "-c:a" in cmd_no_audio:
+            idx = cmd_no_audio.index("-c:a")
+            # remove -c:a and its value
+            del cmd_no_audio[idx:idx+2]
+        cmd_no_audio.insert(-1, "-an")
+        subprocess.run(cmd_no_audio, check=True)
+    return out_path, out_path
+
+
+with gr.Blocks() as demo:
+    gr.Markdown("# Video Rotate")
+    with gr.Row():
+        input_video = gr.Video(label="Input") 
+        rotation = gr.Radio(choices=["90° clockwise", "90° counter-clockwise", "180°"], value="90° counter-clockwise", label="Rotation")
+    out_preview = gr.Video(label="Preview")
+    out_file = gr.File(label="Download MP4")
+    run_btn = gr.Button("Rotate")
+    run_btn.click(rotate_video, inputs=[input_video, rotation], outputs=[out_preview, out_file])
+
+
+# Expose app for Hugging Face Spaces
+app = demo

requirements.txt

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+gradio>=5.49.1
+imageio-ffmpeg>=0.6.0