MJPEG acceleration for V4L2

content/common/sandbox_linux/bpf_gpu_policy_linux.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/sandbox_linux/bpf_gpu_policy_linux.h"
 
 #include <dlfcn.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/socket.h>
@@ skipping 142 matching lines @@
 void AddV4L2GpuWhitelist(std::vector<BrokerFilePermission>* permissions) {
   if (IsAcceleratedVideoDecodeEnabled()) {
     // Device node for V4L2 video decode accelerator drivers.
     static const char kDevVideoDecPath[] = "/dev/video-dec";
     permissions->push_back(BrokerFilePermission::ReadWrite(kDevVideoDecPath));
   }
 
   // Device node for V4L2 video encode accelerator drivers.
   static const char kDevVideoEncPath[] = "/dev/video-enc";
   permissions->push_back(BrokerFilePermission::ReadWrite(kDevVideoEncPath));
+
+  // Device node for V4L2 JPEG decode accelerator drivers.
+  static const char kDevJpegDecPath[] = "/dev/jpeg-dec";
+  permissions->push_back(BrokerFilePermission::ReadWrite(kDevJpegDecPath));
 }
 
 class GpuBrokerProcessPolicy : public GpuProcessPolicy {
  public:
   static sandbox::bpf_dsl::Policy* Create() {
     return new GpuBrokerProcessPolicy();
   }
   ~GpuBrokerProcessPolicy() override {}
 
   ResultExpr EvaluateSyscall(int system_call_number) const override;
@@ skipping 177 matching lines @@
   }
 
   broker_process_ = new BrokerProcess(GetFSDeniedErrno(), permissions);
   // The initialization callback will perform generic initialization and then
   // call broker_sandboxer_callback.
   CHECK(broker_process_->Init(base::Bind(&UpdateProcessTypeAndEnableSandbox,
                                          broker_sandboxer_allocator)));
 }
 
 }  // namespace content