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from fastapi import FastAPI, HTTPException, Request
from fastapi.staticfiles import StaticFiles
from concurrent.futures import ThreadPoolExecutor
import asyncio
import aiohttp
import tempfile
import uuid
import os
import random
import traceback
import string
app = FastAPI()
def generate_hash(length=12):
# Characters that can appear in the hash
characters = string.ascii_lowercase + string.digits
# Generate a random string of the specified length
hash_string = ''.join(random.choice(characters) for _ in range(length))
return hash_string
@app.get("/")
async def read_root():
return {"message": "Saqib's API"}
# Create a directory to store MP3 files if it doesn't exist
AUDIO_DIR = "audio_files"
os.makedirs(AUDIO_DIR, exist_ok=True)
# Create a directory for storing output files
OUTPUT_DIR = "output"
os.makedirs(OUTPUT_DIR, exist_ok=True)
# Mount the audio directory
app.mount("/audio", StaticFiles(directory=AUDIO_DIR), name="audio")
# Mount the output directory
app.mount("/output", StaticFiles(directory=OUTPUT_DIR), name="output")
thread_pool = ThreadPoolExecutor(max_workers=2)
async def run_ffmpeg_async(ffmpeg_command):
loop = asyncio.get_running_loop()
await loop.run_in_executor(thread_pool, ffmpeg_command)
async def download_file(url: str, suffix: str):
async with aiohttp.ClientSession() as session:
async with session.get(url) as response:
if response.status != 200:
raise HTTPException(status_code=400, detail=f"Failed to download file from {url}")
with tempfile.NamedTemporaryFile(delete=False, suffix=suffix) as temp_file:
temp_file.write(await response.read())
return temp_file.name
@app.post("/add_audio_to_image")
async def add_audio_to_image(request: Request):
try:
# Generate a unique filename
output_filename = f"{uuid.uuid4()}.mp4"
output_path = os.path.join(OUTPUT_DIR, output_filename)
# Call the modal API with the request data and download the output file
data = await request.json()
image_url = data.get("image_url")
audio_url = data.get("audio_url")
if not image_url or not audio_url:
raise HTTPException(status_code=400, detail="Missing image_url or audio_url in request")
image_file = await download_file(image_url, ".jpg")
audio_file = await download_file(audio_url, ".mp3")
# Run ffmpeg command
ffmpeg_cmd = f"ffmpeg -loop 1 -i {image_file} -i {audio_file} -c:v libx264 -tune stillimage -c:a aac -b:a 192k -shortest -pix_fmt yuv420p {output_path}"
process = await asyncio.create_subprocess_shell(
ffmpeg_cmd,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE
)
stdout, stderr = await process.communicate()
if process.returncode != 0:
print(f"FFmpeg error: {stderr.decode()}")
raise HTTPException(status_code=500, detail=f"FFmpeg failed: {stderr.decode()}")
# Clean up temporary files
os.remove(image_file)
os.remove(audio_file)
# Return the URL path to the output file
return f"/output/{output_filename}"
except Exception as e:
print(f"An error occurred: {str(e)}")
print(traceback.format_exc())
raise HTTPException(status_code=500, detail=f"An unexpected error occurred: {str(e)}")
@app.post("/add_audio_to_video")
async def add_audio_to_video(request: Request):
try:
# Generate a unique filename
output_filename = f"{uuid.uuid4()}.mp4"
output_path = os.path.join(OUTPUT_DIR, output_filename)
# Call the modal API with the request data and download the output file
data = await request.json()
video_url = data.get("video_url")
audio_url = data.get("audio_url")
if not video_url or not audio_url:
raise HTTPException(status_code=400, detail="Missing video_url or audio_url in request")
video_file = await download_file(video_url, ".mp4")
audio_file = await download_file(audio_url, ".mp3")
# Run ffmpeg command
ffmpeg_cmd = f"ffmpeg -i {video_file} -i {audio_file} -c:v copy -c:a aac -shortest {output_path}"
process = await asyncio.create_subprocess_shell(
ffmpeg_cmd,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE
)
stdout, stderr = await process.communicate()
if process.returncode != 0:
print(f"FFmpeg error: {stderr.decode()}")
raise HTTPException(status_code=500, detail=f"FFmpeg failed: {stderr.decode()}")
# Clean up temporary files
os.remove(video_file)
os.remove(audio_file)
# Return the URL path to the output file
return f"/output/{output_filename}"
except Exception as e:
print(f"An error occurred: {str(e)}")
print(traceback.format_exc())
raise HTTPException(status_code=500, detail=f"An unexpected error occurred: {str(e)}")
@app.post("/concatenate_videos")
async def concatenate_videos(request: Request):
try:
# Generate a unique filename for the output
output_filename = f"{uuid.uuid4()}.mp4"
output_path = os.path.join(OUTPUT_DIR, output_filename)
# Call the modal API with the request data and download the output file
data = await request.json()
video_urls = data.get("video_urls")
if not video_urls or not isinstance(video_urls, list):
raise HTTPException(status_code=400, detail="Invalid video_urls in request. Must be a list of URLs.")
# Download the video files
video_files = []
for i, url in enumerate(video_urls):
video_file = await download_file(url, f"_{i}.mp4")
video_files.append(video_file)
# Create a temporary file with the list of input files
concat_list_path = os.path.join(OUTPUT_DIR, "concat_list.txt")
with open(concat_list_path, "w") as f:
for file in video_files:
f.write(f"file '{file}'\n")
# Run ffmpeg command
ffmpeg_cmd = f"ffmpeg -f concat -safe 0 -i {concat_list_path} -c copy {output_path}"
process = await asyncio.create_subprocess_shell(
ffmpeg_cmd,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE
)
stdout, stderr = await process.communicate()
if process.returncode != 0:
print(f"FFmpeg error: {stderr.decode()}")
raise HTTPException(status_code=500, detail=f"FFmpeg failed: {stderr.decode()}")
# Clean up temporary files
for file in video_files:
os.remove(file)
os.remove(concat_list_path)
# Return the URL path to the output file
return f"/output/{output_filename}"
except Exception as e:
print(f"An error occurred: {str(e)}")
print(traceback.format_exc())
raise HTTPException(status_code=500, detail=f"An unexpected error occurred: {str(e)}")
@app.post("/concatenate_audio")
async def concatenate_audio(request: Request):
try:
# Generate a unique filename for the output
output_filename = f"{uuid.uuid4()}.mp3"
output_path = os.path.join(AUDIO_DIR, output_filename)
# Call the modal API with the request data and download the output file
data = await request.json()
audio_urls = data.get("audio_urls")
if not audio_urls or not isinstance(audio_urls, list):
raise HTTPException(status_code=400, detail="Invalid audio_urls in request. Must be a list of URLs.")
# Download the audio files
audio_files = []
for i, url in enumerate(audio_urls):
audio_file = await download_file(url, f"_{i}.mp3")
audio_files.append(audio_file)
# Create a temporary file with the list of input files
concat_list_path = os.path.join(AUDIO_DIR, "concat_list.txt")
with open(concat_list_path, "w") as f:
for file in audio_files:
f.write(f"file '{file}'\n")
# Run ffmpeg command
ffmpeg_cmd = f"ffmpeg -f concat -safe 0 -i {concat_list_path} -c copy {output_path}"
process = await asyncio.create_subprocess_shell(
ffmpeg_cmd,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE
)
stdout, stderr = await process.communicate()
if process.returncode != 0:
print(f"FFmpeg error: {stderr.decode()}")
raise HTTPException(status_code=500, detail=f"FFmpeg failed: {stderr.decode()}")
# Clean up temporary files
for file in audio_files:
os.remove(file)
os.remove(concat_list_path)
# Return the URL path to the output file
return f"/audio/{output_filename}"
except Exception as e:
print(f"An error occurred: {str(e)}")
print(traceback.format_exc())
raise HTTPException(status_code=500, detail=f"An unexpected error occurred: {str(e)}")
@app.post("/make_video")
async def make_video(request: Request):
try:
# Generate a unique filename for the output
output_filename = f"{uuid.uuid4()}.mp4"
output_path = os.path.join(OUTPUT_DIR, output_filename)
data = await request.json()
image_urls = data.get("image_urls")
audio_url = data.get("audio_url")
duration = data.get("duration", 5) # Default duration of 5 seconds per image
if not image_urls or not isinstance(image_urls, list) or not audio_url:
raise HTTPException(status_code=400, detail="Invalid image_urls or audio_url in request.")
# Download audio file
audio_file = await download_file(audio_url, ".mp3")
# Download image files and create a temporary file with the list of input files
image_files = []
concat_list_path = os.path.join(OUTPUT_DIR, "concat_list.txt")
with open(concat_list_path, "w") as f:
for i, url in enumerate(image_urls):
image_file = await download_file(url, f"_{i}.jpg")
image_files.append(image_file)
f.write(f"file '{image_file}'\nduration {duration}\n") # Set duration for each image
# Add the last image again to ensure the audio doesn't cut off abruptly
f.write(f"file '{image_files[-1]}'\n")
# Run ffmpeg command to create video from images and add audio
ffmpeg_cmd = f"ffmpeg -f concat -safe 0 -i {concat_list_path} -i {audio_file} -c:v libx264 -pix_fmt yuv420p -c:a aac -shortest {output_path}"
process = await asyncio.create_subprocess_shell(
ffmpeg_cmd,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE
)
stdout, stderr = await process.communicate()
if process.returncode != 0:
print(f"FFmpeg error: {stderr.decode()}")
raise HTTPException(status_code=500, detail=f"FFmpeg failed: {stderr.decode()}")
# Clean up temporary files
for file in image_files:
os.remove(file)
os.remove(audio_file)
os.remove(concat_list_path)
# Return the URL path to the output file
return f"/output/{output_filename}"
except Exception as e:
print(f"An error occurred: {str(e)}")
print(traceback.format_exc())
raise HTTPException(status_code=500, detail=f"An unexpected error occurred: {str(e)}")
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=7860) |