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blakeblackshear.frigate/frigate/ffmpeg_presets.py
Nicolas Mowen a63dd9bccd
Add low delay args to restream input args (#5231)
2023-01-25 18:39:35 -06:00

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"""Handles inserting and maintaining ffmpeg presets."""
import os
from typing import Any
from frigate.version import VERSION
from frigate.const import BTBN_PATH
TIMEOUT_PARAM = "-timeout" if os.path.exists(BTBN_PATH) else "-stimeout"
_user_agent_args = [
"-user_agent",
f"FFmpeg Frigate/{VERSION}",
]
PRESETS_HW_ACCEL_DECODE = {
"preset-rpi-32-h264": ["-c:v", "h264_v4l2m2m"],
"preset-rpi-64-h264": ["-c:v", "h264_v4l2m2m"],
"preset-vaapi": [
"-hwaccel_flags",
"allow_profile_mismatch",
"-hwaccel",
"vaapi",
"-hwaccel_device",
"/dev/dri/renderD128",
"-hwaccel_output_format",
"vaapi",
],
"preset-intel-qsv-h264": [
"-hwaccel",
"qsv",
"-qsv_device",
"/dev/dri/renderD128",
"-hwaccel_output_format",
"qsv",
"-c:v",
"h264_qsv",
],
"preset-intel-qsv-h265": [
"-load_plugin",
"hevc_hw",
"-hwaccel",
"qsv",
"-qsv_device",
"/dev/dri/renderD128",
"-hwaccel_output_format",
"qsv",
"-c:v",
"hevc_qsv",
],
"preset-nvidia-h264": [
"-hwaccel",
"cuda",
"-hwaccel_output_format",
"cuda",
"-extra_hw_frames",
"2",
"-c:v",
"h264_cuvid",
],
"preset-nvidia-h265": [
"-hwaccel",
"cuda",
"-hwaccel_output_format",
"cuda",
"-extra_hw_frames",
"2",
"-c:v",
"hevc_cuvid",
],
"preset-nvidia-mjpeg": [
"-hwaccel",
"cuda",
"-hwaccel_output_format",
"cuda",
"-extra_hw_frames",
"2",
"-c:v",
"mjpeg_cuvid",
],
}
PRESETS_HW_ACCEL_SCALE = {
"preset-rpi-32-h264": "-r {0} -s {1}x{2} -f rawvideo -pix_fmt yuv420p",
"preset-rpi-64-h264": "-r {0} -s {1}x{2} -f rawvideo -pix_fmt yuv420p",
"preset-vaapi": "-r {0} -vf fps={0},scale_vaapi=w={1}:h={2},hwdownload,format=yuv420p -f rawvideo",
"preset-intel-qsv-h264": "-r {0} -vf vpp_qsv=framerate={0}:w={1}:h={2}:format=nv12,hwdownload,format=nv12,format=yuv420p -f rawvideo",
"preset-intel-qsv-h265": "-r {0} -vf vpp_qsv=framerate={0}:w={1}:h={2}:format=nv12,hwdownload,format=nv12,format=yuv420p -f rawvideo",
"preset-nvidia-h264": "-r {0} -vf fps={0},scale_cuda=w={1}:h={2}:format=nv12,hwdownload,format=nv12,format=yuv420p -f rawvideo",
"preset-nvidia-h265": "-r {0} -vf fps={0},scale_cuda=w={1}:h={2}:format=nv12,hwdownload,format=nv12,format=yuv420p -f rawvideo",
"default": "-r {0} -s {1}x{2}",
}
PRESETS_HW_ACCEL_ENCODE = {
"preset-rpi-32-h264": "ffmpeg -hide_banner {0} -c:v h264_v4l2m2m -g 50 -bf 0 {1}",
"preset-rpi-64-h264": "ffmpeg -hide_banner {0} -c:v h264_v4l2m2m -g 50 -bf 0 {1}",
"preset-intel-qsv-h264": "ffmpeg -hide_banner {0} -c:v h264_qsv -g 50 -bf 0 -profile:v high -level:v 4.1 -async_depth:v 1 {1}",
"preset-intel-qsv-h265": "ffmpeg -hide_banner {0} -c:v h264_qsv -g 50 -bf 0 -profile:v high -level:v 4.1 -async_depth:v 1 {1}",
"preset-nvidia-h264": "ffmpeg -hide_banner {0} -c:v h264_nvenc -g 50 -profile:v high -level:v auto -preset:v p2 -tune:v ll {1}",
"preset-nvidia-h265": "ffmpeg -hide_banner {0} -c:v h264_nvenc -g 50 -profile:v high -level:v auto -preset:v p2 -tune:v ll {1}",
"default": "ffmpeg -hide_banner {0} -c:v libx264 -g 50 -profile:v high -level:v 4.1 -preset:v superfast -tune:v zerolatency {1}",
}
def parse_preset_hardware_acceleration_decode(arg: Any) -> list[str]:
"""Return the correct preset if in preset format otherwise return None."""
if not isinstance(arg, str):
return None
return PRESETS_HW_ACCEL_DECODE.get(arg, None)
def parse_preset_hardware_acceleration_scale(
arg: Any,
detect_args: list[str],
fps: int,
width: int,
height: int,
) -> list[str]:
"""Return the correct scaling preset or default preset if none is set."""
if not isinstance(arg, str) or " " in arg:
scale = PRESETS_HW_ACCEL_SCALE["default"].format(fps, width, height).split(" ")
scale.extend(detect_args)
return scale
scale = PRESETS_HW_ACCEL_SCALE.get(arg, "")
if scale:
return scale.format(fps, width, height).split(" ")
else:
scale = scale.format(fps, width, height).split(" ")
scale.extend(detect_args)
return scale
def parse_preset_hardware_acceleration_encode(arg: Any, input: str, output: str) -> str:
"""Return the correct scaling preset or default preset if none is set."""
if not isinstance(arg, str):
return PRESETS_HW_ACCEL_ENCODE["default"].format(input, output)
return PRESETS_HW_ACCEL_ENCODE.get(arg, PRESETS_HW_ACCEL_ENCODE["default"]).format(
input,
output,
)
PRESETS_INPUT = {
"preset-http-jpeg-generic": _user_agent_args
+ [
"-r",
"{}",
"-stream_loop",
"-1",
"-f",
"image2",
"-avoid_negative_ts",
"make_zero",
"-fflags",
"nobuffer",
"-flags",
"low_delay",
"-strict",
"experimental",
"-fflags",
"+genpts+discardcorrupt",
"-use_wallclock_as_timestamps",
"1",
],
"preset-http-mjpeg-generic": _user_agent_args
+ [
"-avoid_negative_ts",
"make_zero",
"-fflags",
"nobuffer",
"-flags",
"low_delay",
"-strict",
"experimental",
"-fflags",
"+genpts+discardcorrupt",
"-use_wallclock_as_timestamps",
"1",
],
"preset-http-reolink": _user_agent_args
+ [
"-avoid_negative_ts",
"make_zero",
"-fflags",
"+genpts+discardcorrupt",
"-flags",
"low_delay",
"-strict",
"experimental",
"-analyzeduration",
"1000M",
"-probesize",
"1000M",
"-rw_timeout",
"5000000",
],
"preset-rtmp-generic": [
"-avoid_negative_ts",
"make_zero",
"-fflags",
"nobuffer",
"-flags",
"low_delay",
"-strict",
"experimental",
"-fflags",
"+genpts+discardcorrupt",
"-rw_timeout",
"5000000",
"-use_wallclock_as_timestamps",
"1",
"-f",
"live_flv",
],
"preset-rtsp-generic": _user_agent_args
+ [
"-avoid_negative_ts",
"make_zero",
"-fflags",
"+genpts+discardcorrupt",
"-rtsp_transport",
"tcp",
TIMEOUT_PARAM,
"5000000",
"-use_wallclock_as_timestamps",
"1",
],
"preset-rtsp-restream": _user_agent_args
+ [
"-rtsp_transport",
"tcp",
TIMEOUT_PARAM,
"5000000",
"-fflags",
"nobuffer",
"-flags",
"low_delay",
],
"preset-rtsp-udp": _user_agent_args
+ [
"-avoid_negative_ts",
"make_zero",
"-fflags",
"+genpts+discardcorrupt",
"-rtsp_transport",
"udp",
TIMEOUT_PARAM,
"5000000",
"-use_wallclock_as_timestamps",
"1",
],
"preset-rtsp-blue-iris": _user_agent_args
+ [
"-user_agent",
f"FFmpeg Frigate/{VERSION}",
"-avoid_negative_ts",
"make_zero",
"-flags",
"low_delay",
"-strict",
"experimental",
"-fflags",
"+genpts+discardcorrupt",
"-rtsp_transport",
"tcp",
TIMEOUT_PARAM,
"5000000",
"-use_wallclock_as_timestamps",
"1",
],
}
def parse_preset_input(arg: Any, detect_fps: int) -> list[str]:
"""Return the correct preset if in preset format otherwise return None."""
if not isinstance(arg, str):
return None
if arg == "preset-http-jpeg-generic":
input = PRESETS_INPUT[arg].copy()
input[1] = str(detect_fps)
return input
return PRESETS_INPUT.get(arg, None)
PRESETS_RECORD_OUTPUT = {
"preset-record-generic": [
"-f",
"segment",
"-segment_time",
"10",
"-segment_format",
"mp4",
"-reset_timestamps",
"1",
"-strftime",
"1",
"-c",
"copy",
"-an",
],
"preset-record-generic-audio-aac": [
"-f",
"segment",
"-segment_time",
"10",
"-segment_format",
"mp4",
"-reset_timestamps",
"1",
"-strftime",
"1",
"-c:v",
"copy",
"-c:a",
"aac",
],
"preset-record-generic-audio-copy": [
"-f",
"segment",
"-segment_time",
"10",
"-segment_format",
"mp4",
"-reset_timestamps",
"1",
"-strftime",
"1",
"-c",
"copy",
],
"preset-record-mjpeg": [
"-f",
"segment",
"-segment_time",
"10",
"-segment_format",
"mp4",
"-reset_timestamps",
"1",
"-strftime",
"1",
"-c:v",
"libx264",
"-an",
],
"preset-record-jpeg": [
"-f",
"segment",
"-segment_time",
"10",
"-segment_format",
"mp4",
"-reset_timestamps",
"1",
"-strftime",
"1",
"-c:v",
"libx264",
"-an",
],
"preset-record-ubiquiti": [
"-f",
"segment",
"-segment_time",
"10",
"-segment_format",
"mp4",
"-reset_timestamps",
"1",
"-strftime",
"1",
"-c:v",
"copy",
"-ar",
"44100",
"-c:a",
"aac",
],
}
def parse_preset_output_record(arg: Any) -> list[str]:
"""Return the correct preset if in preset format otherwise return None."""
if not isinstance(arg, str):
return None
return PRESETS_RECORD_OUTPUT.get(arg, None)
PRESETS_RTMP_OUTPUT = {
"preset-rtmp-generic": ["-c", "copy", "-f", "flv"],
"preset-rtmp-mjpeg": ["-c:v", "libx264", "-an", "-f", "flv"],
"preset-rtmp-jpeg": ["-c:v", "libx264", "-an", "-f", "flv"],
"preset-rtmp-ubiquiti": [
"-c:v",
"copy",
"-f",
"flv",
"-ar",
"44100",
"-c:a",
"aac",
],
}
def parse_preset_output_rtmp(arg: Any) -> list[str]:
"""Return the correct preset if in preset format otherwise return None."""
if not isinstance(arg, str):
return None
return PRESETS_RTMP_OUTPUT.get(arg, None)
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