Fix raspberry pi hwaccel (#4955)

* use ffmpeg from raspbian repo

* dynamically choose timeout param

* invert logic

* Add hwaccel presets for rpi

Co-authored-by: Nick Mowen <nickmowen213@gmail.com>

docker/install_deps.sh

@@ -12,10 +12,7 @@ apt-get -qq install --no-install-recommends -y \
     unzip locales tzdata libxml2 xz-utils \
     python3-pip
 
-# add raspberry pi repo
 mkdir -p -m 600 /root/.gnupg
-gpg --no-default-keyring --keyring /usr/share/keyrings/raspbian.gpg --keyserver keyserver.ubuntu.com --recv-keys 9165938D90FDDD2E
-echo "deb [signed-by=/usr/share/keyrings/raspbian.gpg] http://raspbian.raspberrypi.org/raspbian/ bullseye main contrib non-free rpi" | tee /etc/apt/sources.list.d/raspi.list
 
 # add coral repo
 wget --quiet -O /usr/share/keyrings/google-edgetpu.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
@@ -30,13 +27,9 @@ apt-get -qq update
 apt-get -qq install --no-install-recommends --no-install-suggests -y \
     libedgetpu1-max python3-tflite-runtime python3-pycoral
 
-# btbn-ffmpeg -> amd64 / arm64
-if [[ "${TARGETARCH}" == "amd64" || "${TARGETARCH}" == "arm64" ]]; then
-    if [[ "${TARGETARCH}" == "amd64" ]]; then
-        btbn_arch="64"
-    else
-        btbn_arch="arm64"
-    fi
+# btbn-ffmpeg -> amd64
+if [[ "${TARGETARCH}" == "amd64" ]]; then
+    btbn_arch="arm64"
     mkdir -p /usr/lib/btbn-ffmpeg
     wget -qO btbn-ffmpeg.tar.xz "https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2022-07-31-12-37/ffmpeg-n5.1-2-g915ef932a3-linux${btbn_arch}-gpl-5.1.tar.xz"
     tar -xf btbn-ffmpeg.tar.xz -C /usr/lib/btbn-ffmpeg --strip-components 1
@@ -45,6 +38,17 @@ fi
 
 # ffmpeg -> arm32
 if [[ "${TARGETARCH}" == "arm" ]]; then
+    # add raspberry pi repo
+    gpg --no-default-keyring --keyring /usr/share/keyrings/raspbian.gpg --keyserver keyserver.ubuntu.com --recv-keys 9165938D90FDDD2E
+    echo "deb [signed-by=/usr/share/keyrings/raspbian.gpg] http://raspbian.raspberrypi.org/raspbian/ bullseye main contrib non-free rpi" | tee /etc/apt/sources.list.d/raspi.list
+    apt-get -qq install --no-install-recommends --no-install-suggests -y ffmpeg
+fi
+
+# ffmpeg -> arm64
+if [[ "${TARGETARCH}" == "arm64" ]]; then
+    # add raspberry pi repo
+    gpg --no-default-keyring --keyring /usr/share/keyrings/raspbian.gpg --keyserver keyserver.ubuntu.com --recv-keys 82B129927FA3303E
+    echo "deb [signed-by=/usr/share/keyrings/raspbian.gpg] https://archive.raspberrypi.org/debian/ bullseye main" | tee /etc/apt/sources.list.d/raspi.list
     apt-get -qq install --no-install-recommends --no-install-suggests -y ffmpeg
 fi
 

frigate/const.py

@@ -7,6 +7,7 @@ YAML_EXT = (".yaml", ".yml")
 PLUS_ENV_VAR = "PLUS_API_KEY"
 PLUS_API_HOST = "https://api.frigate.video"
 MAX_SEGMENT_DURATION = 600
+BTBN_PATH = "/usr/lib/btbn-ffmpeg"
 
 # Regex Consts
 

frigate/ffmpeg_presets.py

@@ -1,8 +1,13 @@
 """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",
@@ -114,6 +119,8 @@ PRESETS_HW_ACCEL_SCALE = {
 }
 
 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}",
@@ -122,6 +129,8 @@ PRESETS_HW_ACCEL_ENCODE = {
 }
 
 PRESETS_HW_ACCEL_GO2RTC_ENGINE = {
+    "preset-rpi-32-h264": "v4l2m2m",
+    "preset-rpi-64-h264": "v4l2m2m",
     "preset-intel-vaapi": "vaapi",
     "preset-intel-qsv-h264": "vaapi",  # go2rtc doesn't support qsv
     "preset-intel-qsv-h265": "vaapi",
@@ -258,7 +267,7 @@ PRESETS_INPUT = {
         "+genpts+discardcorrupt",
         "-rtsp_transport",
         "tcp",
-        "-timeout",
+        TIMEOUT_PARAM,
         "5000000",
         "-use_wallclock_as_timestamps",
         "1",
@@ -271,7 +280,7 @@ PRESETS_INPUT = {
         "+genpts+discardcorrupt",
         "-rtsp_transport",
         "udp",
-        "-timeout",
+        TIMEOUT_PARAM,
         "5000000",
         "-use_wallclock_as_timestamps",
         "1",
@@ -290,7 +299,7 @@ PRESETS_INPUT = {
         "+genpts+discardcorrupt",
         "-rtsp_transport",
         "tcp",
-        "-timeout",
+        TIMEOUT_PARAM,
         "5000000",
         "-use_wallclock_as_timestamps",
         "1",