{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4.2.2-static\n"
     ]
    }
   ],
   "source": [
    "import imageio_ffmpeg as ffmpeg\n",
    "\n",
    "print(ffmpeg.get_ffmpeg_version())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "ffmpeg version 4.2.2-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2019 the FFmpeg developers\n",
      "  built with gcc 8 (Debian 8.3.0-6)\n",
      "  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg\n",
      "  libavutil      56. 31.100 / 56. 31.100\n",
      "  libavcodec     58. 54.100 / 58. 54.100\n",
      "  libavformat    58. 29.100 / 58. 29.100\n",
      "  libavdevice    58.  8.100 / 58.  8.100\n",
      "  libavfilter     7. 57.100 /  7. 57.100\n",
      "  libswscale      5.  5.100 /  5.  5.100\n",
      "  libswresample   3.  5.100 /  3.  5.100\n",
      "  libpostproc    55.  5.100 / 55.  5.100\n",
      "Guessed Channel Layout for Input Stream #0.0 : mono\n",
      "Input #0, wav, from '_EHyrPDKsvA.wav':\n",
      "  Metadata:\n",
      "    encoder         : Lavf58.29.100\n",
      "  Duration: 00:03:58.41, bitrate: 256 kb/s\n",
      "    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 16000 Hz, mono, s16, 256 kb/s\n",
      "Stream mapping:\n",
      "  Stream #0:0 -> #0:0 (pcm_s16le (native) -> adpcm_ms (native))\n",
      "Press [q] to stop, [?] for help\n",
      "Output #0, wav, to 'compressed_EHyrPDKsvA.wav':\n",
      "  Metadata:\n",
      "    ISFT            : Lavf58.29.100\n",
      "    Stream #0:0: Audio: adpcm_ms ([2][0][0][0] / 0x0002), 16000 Hz, mono, s16, 64 kb/s\n",
      "    Metadata:\n",
      "      encoder         : Lavc58.54.100 adpcm_ms\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Compressed file saved to: compressed_EHyrPDKsvA.wav\n",
      "File: compressed_EHyrPDKsvA.wav\n",
      "Sample rate: 16000\n",
      "Channels: 1\n",
      "Frames: 3815464\n",
      "Duration: 238.47 seconds\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "size=    1874kB time=00:03:58.46 bitrate=  64.4kbits/s speed=3.21e+03x    \n",
      "video:0kB audio:1874kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.006462%\n"
     ]
    }
   ],
   "source": [
    "import subprocess\n",
    "import soundfile as sf\n",
    "import imageio_ffmpeg as ffmpeg\n",
    "\n",
    "\n",
    "def compress_wav(input_file, output_file):\n",
    "    \"\"\"\n",
    "    Compress a WAV file using ADPCM codec with ffmpeg from imageio_ffmpeg.\n",
    "\n",
    "    Args:\n",
    "        input_file (str): Path to the original WAV file.\n",
    "        output_file (str): Path to save the compressed WAV file.\n",
    "    \"\"\"\n",
    "    # Get the ffmpeg executable path\n",
    "    ffmpeg_path = ffmpeg.get_ffmpeg_exe()\n",
    "\n",
    "    try:\n",
    "        # Run the ffmpeg command to compress the file\n",
    "        subprocess.run(\n",
    "            [\n",
    "                ffmpeg_path,\n",
    "                \"-i\",\n",
    "                input_file,  # Input file\n",
    "                \"-c:a\",\n",
    "                \"adpcm_ms\",  # Use ADPCM codec\n",
    "                output_file,  # Output file\n",
    "            ],\n",
    "            check=True,\n",
    "        )\n",
    "        print(f\"Compressed file saved to: {output_file}\")\n",
    "    except subprocess.CalledProcessError as e:\n",
    "        print(f\"Error during compression: {e}\")\n",
    "\n",
    "\n",
    "def read_wav(file_path):\n",
    "    \"\"\"\n",
    "    Read and display metadata of a WAV file using soundfile.\n",
    "\n",
    "    Args:\n",
    "        file_path (str): Path to the WAV file.\n",
    "    \"\"\"\n",
    "    try:\n",
    "        with sf.SoundFile(file_path) as f:\n",
    "            print(f\"File: {file_path}\")\n",
    "            print(f\"Sample rate: {f.samplerate}\")\n",
    "            print(f\"Channels: {f.channels}\")\n",
    "            print(f\"Frames: {f.frames}\")\n",
    "            print(f\"Duration: {f.frames / f.samplerate:.2f} seconds\")\n",
    "    except Exception as e:\n",
    "        print(f\"Error reading file: {e}\")\n",
    "\n",
    "\n",
    "# Paths for the input and output files\n",
    "input_wav = \"_EHyrPDKsvA.wav\"  # Replace with your input WAV file path\n",
    "compressed_wav = \"compressed_EHyrPDKsvA.wav\"\n",
    "\n",
    "# Compress the WAV file\n",
    "compress_wav(input_wav, compressed_wav)\n",
    "\n",
    "# Read the compressed WAV file metadata\n",
    "read_wav(compressed_wav)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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