mirror of
https://github.com/jlengrand/whatsapp-mcp.git
synced 2026-03-10 00:41:24 +00:00
111 lines
3.6 KiB
Python
111 lines
3.6 KiB
Python
import os
|
|
import subprocess
|
|
import tempfile
|
|
|
|
def convert_to_opus_ogg(input_file, output_file=None, bitrate="32k", sample_rate=24000):
|
|
"""
|
|
Convert an audio file to Opus format in an Ogg container.
|
|
|
|
Args:
|
|
input_file (str): Path to the input audio file
|
|
output_file (str, optional): Path to save the output file. If None, replaces the
|
|
extension of input_file with .ogg
|
|
bitrate (str, optional): Target bitrate for Opus encoding (default: "32k")
|
|
sample_rate (int, optional): Sample rate for output (default: 24000)
|
|
|
|
Returns:
|
|
str: Path to the converted file
|
|
|
|
Raises:
|
|
FileNotFoundError: If the input file doesn't exist
|
|
RuntimeError: If the ffmpeg conversion fails
|
|
"""
|
|
if not os.path.isfile(input_file):
|
|
raise FileNotFoundError(f"Input file not found: {input_file}")
|
|
|
|
# If no output file is specified, replace the extension with .ogg
|
|
if output_file is None:
|
|
output_file = os.path.splitext(input_file)[0] + ".ogg"
|
|
|
|
# Ensure the output directory exists
|
|
output_dir = os.path.dirname(output_file)
|
|
if output_dir and not os.path.exists(output_dir):
|
|
os.makedirs(output_dir)
|
|
|
|
# Build the ffmpeg command
|
|
cmd = [
|
|
"ffmpeg",
|
|
"-i", input_file,
|
|
"-c:a", "libopus",
|
|
"-b:a", bitrate,
|
|
"-ar", str(sample_rate),
|
|
"-application", "voip", # Optimize for voice
|
|
"-vbr", "on", # Variable bitrate
|
|
"-compression_level", "10", # Maximum compression
|
|
"-frame_duration", "60", # 60ms frames (good for voice)
|
|
"-y", # Overwrite output file if it exists
|
|
output_file
|
|
]
|
|
|
|
try:
|
|
# Run the ffmpeg command and capture output
|
|
process = subprocess.run(
|
|
cmd,
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
text=True,
|
|
check=True
|
|
)
|
|
return output_file
|
|
except subprocess.CalledProcessError as e:
|
|
raise RuntimeError(f"Failed to convert audio. You likely need to install ffmpeg {e.stderr}")
|
|
|
|
|
|
def convert_to_opus_ogg_temp(input_file, bitrate="32k", sample_rate=24000):
|
|
"""
|
|
Convert an audio file to Opus format in an Ogg container and store in a temporary file.
|
|
|
|
Args:
|
|
input_file (str): Path to the input audio file
|
|
bitrate (str, optional): Target bitrate for Opus encoding (default: "32k")
|
|
sample_rate (int, optional): Sample rate for output (default: 24000)
|
|
|
|
Returns:
|
|
str: Path to the temporary file with the converted audio
|
|
|
|
Raises:
|
|
FileNotFoundError: If the input file doesn't exist
|
|
RuntimeError: If the ffmpeg conversion fails
|
|
"""
|
|
# Create a temporary file with .ogg extension
|
|
temp_file = tempfile.NamedTemporaryFile(suffix=".ogg", delete=False)
|
|
temp_file.close()
|
|
|
|
try:
|
|
# Convert the audio
|
|
convert_to_opus_ogg(input_file, temp_file.name, bitrate, sample_rate)
|
|
return temp_file.name
|
|
except Exception as e:
|
|
# Clean up the temporary file if conversion fails
|
|
if os.path.exists(temp_file.name):
|
|
os.unlink(temp_file.name)
|
|
raise e
|
|
|
|
|
|
if __name__ == "__main__":
|
|
# Example usage
|
|
import sys
|
|
|
|
if len(sys.argv) < 2:
|
|
print("Usage: python audio.py input_file [output_file]")
|
|
sys.exit(1)
|
|
|
|
input_file = sys.argv[1]
|
|
|
|
try:
|
|
result = convert_to_opus_ogg_temp(input_file)
|
|
print(f"Successfully converted to: {result}")
|
|
except Exception as e:
|
|
print(f"Error: {e}")
|
|
sys.exit(1)
|