Add workflow.

Author: winlinvip

.github/workflows/Dockerfile

@@ -0,0 +1,18 @@
+# docker build -t ossrs/srs:ffmpeg-fate
+# docker push ossrs/srs:ffmpeg-fate
+FROM ubuntu:22.04
+
+RUN apt-get update && \
+    apt-get install -y build-essential git rsync make nasm pkg-config libssl-dev &&\
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /opt
+RUN git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg
+
+WORKDIR /opt/ffmpeg
+RUN ./configure --enable-openssl --enable-version3
+RUN make -j$(nproc)
+
+RUN make fate-rsync SAMPLES=/opt/ffmpeg/fate-suite
+RUN du -sh /opt/ffmpeg/fate-suite
+ENV FATE_SAMPLES=/opt/ffmpeg/fate-suite

.github/workflows/fate-cache.yml

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+name: "FFmpeg FATE Cache"
+
+on:
+  workflow_dispatch:
+
+permissions: read-all
+
+jobs:
+  build:
+    name: "Build FFmpeg Fate Cache"
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Login to docker hub
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
+        with:
+          username: "${{ secrets.DOCKER_USERNAME }}"
+          password: "${{ secrets.DOCKER_PASSWORD }}"
+      - name: Build FFmpeg Fate Cache
+        run:  |
+          set -euxo pipefail
+          docker build -t ossrs/srs:ffmpeg-fate -f .github/workflows/Dockerfile .
+      - name: Push FFmpeg Fate Cache
+        run:  |
+          set -euxo pipefail
+          docker push ossrs/srs:ffmpeg-fate
+    runs-on: ubuntu-22.04