From 60928cf8cd0d6f46826d588926969913d7fc6740 Mon Sep 17 00:00:00 2001
From: liushuyu <liushuyu011@gmail.com>
Date: Wed, 24 Nov 2021 18:00:55 -0700
Subject: [PATCH] video_core/codec: address comments
---
.../command_classes/codecs/codec.cpp | 28 ++++++++-----------
1 file changed, 11 insertions(+), 17 deletions(-)
diff --git a/src/video_core/command_classes/codecs/codec.cpp b/src/video_core/command_classes/codecs/codec.cpp
index 403ce30fe4..02d3091704 100644
--- a/src/video_core/command_classes/codecs/codec.cpp
+++ b/src/video_core/command_classes/codecs/codec.cpp
@@ -2,6 +2,7 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <algorithm>
#include <cstdio>
#include <fstream>
#include <vector>
@@ -63,15 +64,16 @@ Codec::~Codec() {
#ifdef LIBVA_FOUND
// List all the currently loaded Linux modules
static std::vector<std::string> ListLinuxKernelModules() {
+ using FILEPtr = std::unique_ptr<FILE, decltype(&std::fclose)>;
+ auto module_listing = FILEPtr{fopen("/proc/modules", "rt"), std::fclose};
std::vector<std::string> modules{};
- auto module_listing = fopen("/proc/modules", "rt");
- char* buffer = nullptr;
- size_t buf_len = 0;
if (!module_listing) {
LOG_WARNING(Service_NVDRV, "Could not open /proc/modules to collect available modules");
return modules;
}
- while (getline(&buffer, &buf_len, module_listing) != -1) {
+ char* buffer = nullptr;
+ size_t buf_len = 0;
+ while (getline(&buffer, &buf_len, module_listing.get()) != -1) {
// format for the module listing file (sysfs)
// <name> <module_size> <depended_by_count> <depended_by_names> <status> <load_address>
auto line = std::string(buffer);
@@ -80,12 +82,9 @@ static std::vector<std::string> ListLinuxKernelModules() {
if (name_pos == std::string::npos) {
continue;
}
- modules.push_back(line.erase(name_pos + 1));
+ modules.push_back(line.erase(name_pos));
}
- if (buffer) {
- free(buffer);
- }
- fclose(module_listing);
+ free(buffer);
return modules;
}
#endif
@@ -98,17 +97,12 @@ bool Codec::CreateGpuAvDevice() {
"amdgpu",
};
AVDictionary* hwdevice_options = nullptr;
- auto loaded_modules = ListLinuxKernelModules();
+ const auto loaded_modules = ListLinuxKernelModules();
av_dict_set(&hwdevice_options, "connection_type", "drm", 0);
for (const auto& driver : VAAPI_DRIVERS) {
- bool found = false;
// first check if the target driver is loaded in the kernel
- for (const auto& module : loaded_modules) {
- if (module == driver) {
- found = true;
- break;
- }
- }
+ bool found = std::any_of(loaded_modules.begin(), loaded_modules.end(),
+ [&driver](const auto& module) { return module == driver; });
if (!found) {
LOG_DEBUG(Service_NVDRV, "Kernel driver {} is not loaded, trying the next one", driver);
continue;