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Revert "Early 0.18 work (#22138)" (#22142)

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This reverts commit d24b96d3bb.
This commit is contained in:
Nicolas Mowen
2026-02-26 21:27:31 -07:00
committed by GitHub
parent d24b96d3bb
commit 451d6f5c22
107 changed files with 1049 additions and 6765 deletions
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frigate/output/preview.py
+1 -55
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@@ -47,15 +47,6 @@ PREVIEW_QUALITY_BIT_RATES = {
RecordQualityEnum.high: 9864,
RecordQualityEnum.very_high: 10096,
}
# the -qmax param for ffmpeg prevents the encoder from overly compressing frames while still trying to hit the bitrate target
# lower values are higher quality. This is especially important for iniitial frames in the segment
PREVIEW_QMAX_PARAM = {
RecordQualityEnum.very_low: "",
RecordQualityEnum.low: "",
RecordQualityEnum.medium: "",
RecordQualityEnum.high: " -qmax 25",
RecordQualityEnum.very_high: " -qmax 25",
}
def get_cache_image_name(camera: str, frame_time: float) -> str:
@@ -66,51 +57,6 @@ def get_cache_image_name(camera: str, frame_time: float) -> str:
)
def get_most_recent_preview_frame(camera: str, before: float = None) -> str | None:
"""Get the most recent preview frame for a camera."""
if not os.path.exists(PREVIEW_CACHE_DIR):
return None
try:
# files are named preview_{camera}-{timestamp}.webp
# we want the largest timestamp that is less than or equal to before
preview_files = [
f
for f in os.listdir(PREVIEW_CACHE_DIR)
if f.startswith(f"preview_{camera}-")
and f.endswith(f".{PREVIEW_FRAME_TYPE}")
]
if not preview_files:
return None
# sort by timestamp in descending order
# filenames are like preview_front-1712345678.901234.webp
preview_files.sort(reverse=True)
if before is None:
return os.path.join(PREVIEW_CACHE_DIR, preview_files[0])
for file_name in preview_files:
try:
# Extract timestamp: preview_front-1712345678.901234.webp
# Split by dash and extension
timestamp_part = file_name.split("-")[-1].split(
f".{PREVIEW_FRAME_TYPE}"
)[0]
timestamp = float(timestamp_part)
if timestamp <= before:
return os.path.join(PREVIEW_CACHE_DIR, file_name)
except (ValueError, IndexError):
continue
return None
except Exception as e:
logger.error(f"Error searching for most recent preview frame: {e}")
return None
class FFMpegConverter(threading.Thread):
"""Convert a list of still frames into a vfr mp4."""
@@ -134,7 +80,7 @@ class FFMpegConverter(threading.Thread):
config.ffmpeg.ffmpeg_path,
"default",
input="-f concat -y -protocol_whitelist pipe,file -safe 0 -threads 1 -i /dev/stdin",
output=f"-threads 1 -g {PREVIEW_KEYFRAME_INTERVAL} -bf 0 -b:v {PREVIEW_QUALITY_BIT_RATES[self.config.record.preview.quality]}{PREVIEW_QMAX_PARAM[self.config.record.preview.quality]} {FPS_VFR_PARAM} -movflags +faststart -pix_fmt yuv420p {self.path}",
output=f"-threads 1 -g {PREVIEW_KEYFRAME_INTERVAL} -bf 0 -b:v {PREVIEW_QUALITY_BIT_RATES[self.config.record.preview.quality]} {FPS_VFR_PARAM} -movflags +faststart -pix_fmt yuv420p {self.path}",
type=EncodeTypeEnum.preview,
)