From e9e4222534cb3c7009a8bb4af4608d00f6552f64 Mon Sep 17 00:00:00 2001
From: Konsta <konsta09@gmail.com>
Date: Mon, 7 Apr 2025 21:07:48 +0300
Subject: [PATCH] ffmpeg: move media codecs config & seccomp policy to device

* https://github.com/raspberry-vanilla/android_external_ffmpeg_codec2/commit/71ac744017cc31d13a72e5f376a8d76b51aebcd2
---
 device.mk                                     |   4 +
 media/media_codecs_ffmpeg_c2.xml              | 108 ++++++++++++++++++
 .../android.hardware.media.c2-ffmpeg.policy   |  57 +++++++++
 3 files changed, 169 insertions(+)
 create mode 100644 media/media_codecs_ffmpeg_c2.xml
 create mode 100644 seccomp_policy/android.hardware.media.c2-ffmpeg.policy

diff --git a/device.mk b/device.mk
index adff949..605a644 100644
--- a/device.mk
+++ b/device.mk
@@ -163,6 +163,10 @@ PRODUCT_COPY_FILES += \
 PRODUCT_PACKAGES += \
     com.android.hardware.media.c2.ffmpeg
 
+PRODUCT_COPY_FILES += \
+    $(DEVICE_PATH)/media/media_codecs_ffmpeg_c2.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_ffmpeg_c2.xml \
+    $(DEVICE_PATH)/seccomp_policy/android.hardware.media.c2-ffmpeg.policy:$(TARGET_COPY_OUT_VENDOR)/etc/seccomp_policy/android.hardware.media.c2-ffmpeg.policy
+
 # Gatekeeper
 PRODUCT_PACKAGES += \
     com.android.hardware.gatekeeper.nonsecure
diff --git a/media/media_codecs_ffmpeg_c2.xml b/media/media_codecs_ffmpeg_c2.xml
new file mode 100644
index 0000000..1cd0aa4
--- /dev/null
+++ b/media/media_codecs_ffmpeg_c2.xml
@@ -0,0 +1,108 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2022 Michael Goffioul <michael.goffioul@gmail.com>
+     Copyright (C) 2025 KonstaKANG
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<MediaCodecs>
+    <Decoders>
+        <!-- Audio codecs -->
+        <MediaCodec name="c2.ffmpeg.aac.decoder" type="audio/mp4a-latm">
+            <Alias name="OMX.ffmpeg.aac.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.ac3.decoder" type="audio/ac3">
+            <Alias name="OMX.ffmpeg.ac3.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.alac.decoder" type="audio/alac">
+            <Alias name="OMX.ffmpeg.alac.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.flac.decoder" type="audio/flac">
+            <Alias name="OMX.ffmpeg.flac.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.mp2.decoder" type="audio/mpeg-L2">
+            <Alias name="OMX.ffmpeg.mp2.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.mp3.decoder" type="audio/mpeg">
+            <Alias name="OMX.ffmpeg.mp3.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.vorbis.decoder" type="audio/vorbis">
+            <Alias name="OMX.ffmpeg.vorbisac3.decoder" />
+            <Limit name="channel-count" max="8" />
+            <Limit name="sample-rate" ranges="8000-192000" />
+        </MediaCodec>
+
+        <!-- Video codecs -->
+        <MediaCodec name="c2.ffmpeg.av1.decoder" type="video/av01">
+            <Alias name="OMX.ffmpeg.av1.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.h263.decoder" type="video/3gpp">
+            <Alias name="OMX.ffmpeg.h263.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.h264.decoder" type="video/avc">
+            <Alias name="OMX.ffmpeg.h264.decoder" />
+            <Limit name="size" min="2x2" max="4080x4080" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.hevc.decoder" type="video/hevc">
+            <Alias name="OMX.ffmpeg.hevc.decoder" />
+            <Limit name="size" min="2x2" max="4096x4096" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.mpeg2.decoder" type="video/mpeg2">
+            <Alias name="OMX.ffmpeg.mpeg2.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.mpeg4.decoder" type="video/mp4v-es">
+            <Alias name="OMX.ffmpeg.mpeg4.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.vp8.decoder" type="video/x-vnd.on2.vp8">
+            <Alias name="OMX.ffmpeg.vp8.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+        <MediaCodec name="c2.ffmpeg.vp9.decoder" type="video/x-vnd.on2.vp9">
+            <Alias name="OMX.ffmpeg.vp9.decoder" />
+            <Limit name="size" min="2x2" max="2048x2048" />
+            <Limit name="alignment" value="2x2" />
+            <Feature name="adaptive-playback" />
+        </MediaCodec>
+    </Decoders>
+</MediaCodecs>
diff --git a/seccomp_policy/android.hardware.media.c2-ffmpeg.policy b/seccomp_policy/android.hardware.media.c2-ffmpeg.policy
new file mode 100644
index 0000000..80d792f
--- /dev/null
+++ b/seccomp_policy/android.hardware.media.c2-ffmpeg.policy
@@ -0,0 +1,57 @@
+# device specific syscalls
+clock_gettime: 1
+clone: 1
+close: 1
+dup: 1
+eventfd2: 1
+exit_group: 1
+exit: 1
+faccessat: 1
+fstat: 1
+fstatfs: 1
+ftruncate: 1
+futex: 1
+getdents64: 1
+getegid: 1
+geteuid: 1
+getgid: 1
+getgroups: 1
+getpid: 1
+getrandom: 1
+getrlimit: 1
+gettid: 1
+gettimeofday: 1
+getuid: 1
+ioctl: 1
+lseek: 1
+madvise: 1
+memfd_create: 1
+mmap: arg2 in ~PROT_EXEC || arg2 in ~PROT_WRITE
+mprotect: arg2 in ~PROT_EXEC || arg2 in ~PROT_WRITE
+mremap: arg3 == 3 || arg3 == MREMAP_MAYMOVE
+munmap: 1
+nanosleep: 1
+newfstatat: 1
+openat: 1
+pipe2: 1
+ppoll: 1
+prctl: 1
+pread64: 1
+process_vm_readv: 1
+read: 1
+readlinkat: 1
+recvmsg: 1
+restart_syscall: 1
+rt_sigaction: 1
+rt_sigprocmask: 1
+rt_sigreturn: 1
+rt_tgsigqueueinfo: 1
+sched_getaffinity: 1
+sched_yield: 1
+set_tid_address: 1
+setpriority: 1
+sigaltstack: 1
+sysinfo: 1
+tgkill: 1
+write: 1
+writev: 1