mirror of
https://github.com/blakeblackshear/frigate.git
synced 2024-12-23 19:11:14 +01:00
3c4b1fb6f2
* Update flask * Update flask and break apart different sections into different files * formatting * Fix test and add safety check
117 lines
3.2 KiB
Python
117 lines
3.2 KiB
Python
"""Preview apis."""
|
|
|
|
import logging
|
|
import os
|
|
from datetime import datetime, timedelta, timezone
|
|
|
|
import pytz
|
|
from flask import (
|
|
Blueprint,
|
|
jsonify,
|
|
make_response,
|
|
)
|
|
|
|
from frigate.const import CACHE_DIR
|
|
from frigate.models import Previews
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
PreviewBp = Blueprint("previews", __name__)
|
|
|
|
|
|
@PreviewBp.route("/preview/<camera_name>/start/<int:start_ts>/end/<int:end_ts>")
|
|
@PreviewBp.route("/preview/<camera_name>/start/<float:start_ts>/end/<float:end_ts>")
|
|
def preview_ts(camera_name, start_ts, end_ts):
|
|
"""Get all mp4 previews relevant for time period."""
|
|
if camera_name != "all":
|
|
camera_clause = Previews.camera == camera_name
|
|
else:
|
|
camera_clause = True
|
|
|
|
previews = (
|
|
Previews.select(
|
|
Previews.camera,
|
|
Previews.path,
|
|
Previews.duration,
|
|
Previews.start_time,
|
|
Previews.end_time,
|
|
)
|
|
.where(
|
|
Previews.start_time.between(start_ts, end_ts)
|
|
| Previews.end_time.between(start_ts, end_ts)
|
|
| ((start_ts > Previews.start_time) & (end_ts < Previews.end_time))
|
|
)
|
|
.where(camera_clause)
|
|
.order_by(Previews.start_time.asc())
|
|
.dicts()
|
|
.iterator()
|
|
)
|
|
|
|
clips = []
|
|
|
|
preview: Previews
|
|
for preview in previews:
|
|
clips.append(
|
|
{
|
|
"camera": preview["camera"],
|
|
"src": preview["path"].replace("/media/frigate", ""),
|
|
"type": "video/mp4",
|
|
"start": preview["start_time"],
|
|
"end": preview["end_time"],
|
|
}
|
|
)
|
|
|
|
if not clips:
|
|
return make_response(
|
|
jsonify(
|
|
{
|
|
"success": False,
|
|
"message": "No previews found.",
|
|
}
|
|
),
|
|
404,
|
|
)
|
|
|
|
return make_response(jsonify(clips), 200)
|
|
|
|
|
|
@PreviewBp.route("/preview/<year_month>/<day>/<hour>/<camera_name>/<tz_name>")
|
|
def preview_hour(year_month, day, hour, camera_name, tz_name):
|
|
parts = year_month.split("-")
|
|
start_date = (
|
|
datetime(int(parts[0]), int(parts[1]), int(day), int(hour), tzinfo=timezone.utc)
|
|
- datetime.now(pytz.timezone(tz_name.replace(",", "/"))).utcoffset()
|
|
)
|
|
end_date = start_date + timedelta(hours=1) - timedelta(milliseconds=1)
|
|
start_ts = start_date.timestamp()
|
|
end_ts = end_date.timestamp()
|
|
|
|
return preview_ts(camera_name, start_ts, end_ts)
|
|
|
|
|
|
@PreviewBp.route("/preview/<camera_name>/start/<int:start_ts>/end/<int:end_ts>/frames")
|
|
@PreviewBp.route(
|
|
"/preview/<camera_name>/start/<float:start_ts>/end/<float:end_ts>/frames"
|
|
)
|
|
def get_preview_frames_from_cache(camera_name: str, start_ts, end_ts):
|
|
"""Get list of cached preview frames"""
|
|
preview_dir = os.path.join(CACHE_DIR, "preview_frames")
|
|
file_start = f"preview_{camera_name}"
|
|
start_file = f"{file_start}-{start_ts}.jpg"
|
|
end_file = f"{file_start}-{end_ts}.jpg"
|
|
selected_previews = []
|
|
|
|
for file in sorted(os.listdir(preview_dir)):
|
|
if not file.startswith(file_start):
|
|
continue
|
|
|
|
if file < start_file:
|
|
continue
|
|
|
|
if file > end_file:
|
|
break
|
|
|
|
selected_previews.append(file)
|
|
|
|
return jsonify(selected_previews)
|