{
"cells": [
{
"cell_type": "code",
"execution_count": null,
"id": "initial_id",
"metadata": {
"ExecuteTime": {
"end_time": "2023-11-22T14:21:21.515056934Z",
"start_time": "2023-11-22T14:21:21.471375214Z"
}
},
"outputs": [],
"source": [
"import os\n",
"import random\n",
"\n",
"input_directory_path = '/media/andrew/ExternalM2/VIRAT/videos_original'\n",
"output_directory_path = '/home/andrew/Videos/VIRAT_gray_0.5_3'\n",
"\n",
"# List all files in the directory\n",
"file_list = os.listdir(input_directory_path)\n",
"\n",
"# Randomly select some unique file paths\n",
"random_file_paths = random.sample(file_list, 150)\n",
"\n",
"# Create the full file paths\n",
"full_file_paths = [os.path.join(input_directory_path, filename) for filename in random_file_paths]\n",
"\n",
"full_destination_paths = [os.path.join(output_directory_path, filename) for filename in random_file_paths]\n",
"\n",
"print(full_file_paths)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "c8d3616ef5aff427",
"metadata": {
"ExecuteTime": {
"end_time": "2023-11-02T02:24:14.567359957Z",
"start_time": "2023-11-02T02:11:19.226504503Z"
}
},
"outputs": [],
"source": [
"for i in range(len(full_file_paths)):\n",
" input = full_file_paths[i]\n",
" output = full_destination_paths[i]\n",
" ! ffmpeg -i {input} -vf \"select=lt(n\\,480),scale=640:360,format=gray\" -c:v libx265 -crf 23 -g 30 -frames:v 480 {output}\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "77aebeb9793e0069",
"metadata": {
"ExecuteTime": {
"end_time": "2023-11-22T14:26:34.763576228Z",
"start_time": "2023-11-22T14:22:24.184554754Z"
}
},
"outputs": [],
"source": [
"# tmp_list = [\n",
"# \"VIRAT_S_000002.mp4\",\n",
"# \"VIRAT_S_000003.mp4\",\n",
"# \"VIRAT_S_040000_02_000111_000145.mp4\",\n",
"# \"VIRAT_S_040000_05_000668_000703.mp4\",\n",
"# \"VIRAT_S_040001_03_001531_001595.mp4\",\n",
"# \"VIRAT_S_040003_01_000083_000193.mp4\",\n",
"# \"VIRAT_S_040003_06_001441_001518.mp4\",\n",
"# \"VIRAT_S_040004_00_000011_000093.mp4\",\n",
"# \"VIRAT_S_040005_00_000003_000058.mp4\",\n",
"# \"VIRAT_S_040005_07_001026_001223.mp4\",\n",
"# \"VIRAT_S_040103_05_000729_000804.mp4\",\n",
"# \"VIRAT_S_040103_06_000836_000909.mp4\",\n",
"# \"VIRAT_S_040103_07_001011_001093.mp4\",\n",
"# \"VIRAT_S_040104_00_000120_000224.mp4\",\n",
"# \"VIRAT_S_040104_04_000854_000934.mp4\",\n",
"# \"VIRAT_S_040104_07_001268_001348.mp4\",\n",
"# \"VIRAT_S_040104_09_001475_001583.mp4\",\n",
"# \"VIRAT_S_050000_01_000207_000361.mp4\",\n",
"# \"VIRAT_S_050000_02_000404_000486.mp4\",\n",
"# \"VIRAT_S_050000_04_000640_000690.mp4\",\n",
"# \"VIRAT_S_050000_05_000696_000732.mp4\",\n",
"# \"VIRAT_S_050000_06_000908_000970.mp4\",\n",
"# \"VIRAT_S_050000_07_001014_001126.mp4\",\n",
"# \"VIRAT_S_050000_09_001310_001373.mp4\",\n",
"# \"VIRAT_S_050000_11_001530_001576.mp4\",\n",
"# \"VIRAT_S_050000_12_001591_001619.mp4\",\n",
"# \"VIRAT_S_050000_13_001722_001766.mp4\",\n",
"# \"VIRAT_S_050201_00_000012_000116.mp4\",\n",
"# \"VIRAT_S_050201_03_000573_000647.mp4\",\n",
"# \"VIRAT_S_050201_04_000669_000728.mp4\",\n",
"# \"VIRAT_S_050201_07_001348_001458.mp4\",\n",
"# \"VIRAT_S_050201_08_001567_001647.mp4\",\n",
"# \"VIRAT_S_050201_09_001821_001876.mp4\",\n",
"# \"VIRAT_S_050201_10_001992_002056.mp4\",\n",
"# \"VIRAT_S_050201_11_002090_002220.mp4\",\n",
"# \"VIRAT_S_050202_00_000000_000105.mp4\",\n",
"# \"VIRAT_S_050202_02_000447_000577.mp4\",\n",
"# \"VIRAT_S_050202_03_000608_000684.mp4\",\n",
"# \"VIRAT_S_050202_04_000690_000750.mp4\",\n",
"# \"VIRAT_S_050202_10_002159_002233.mp4\",\n",
"# \"VIRAT_S_050203_01_000147_000223.mp4\",\n",
"# \"VIRAT_S_050203_08_001686_001885.mp4\",\n",
"# \"VIRAT_S_050203_09_001960_002083.mp4\",\n",
"# \"VIRAT_S_050300_00_000000_000067.mp4\",\n",
"# \"VIRAT_S_050300_04_001057_001122.mp4\",\n",
"# \"VIRAT_S_050300_06_001427_001616.mp4\",\n",
"# \"VIRAT_S_050300_08_001705_001771.mp4\",\n",
"# \"VIRAT_S_050300_09_001789_001858.mp4\",\n",
"# \"VIRAT_S_050301_02_000544_000607.mp4\",\n",
"# \"VIRAT_S_050301_03_000933_001046.mp4\",\n",
"# \n",
"# ]\n",
"# full_file_paths = [os.path.join(input_directory_path, filename) for filename in tmp_list]\n",
"# \n",
"# full_destination_paths = [os.path.join(output_directory_path, filename) for filename in tmp_list]\n",
"# for i in range(len(full_file_paths)):\n",
"# input = full_file_paths[i]\n",
"# output = full_destination_paths[i]\n",
"# ! ffmpeg -i {input} -vf \"select=lt(n\\,480),scale=640:360,format=gray\" -c:v libx265 -crf 23 -g 30 -frames:v 480 {output}"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.10.12"
}
},
"nbformat": 4,
"nbformat_minor": 5
}