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author | liushuyu <liushuyu011@gmail.com> | 2021-11-25 02:00:55 +0100 |
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committer | liushuyu <liushuyu011@gmail.com> | 2021-11-25 02:06:38 +0100 |
commit | 60928cf8cd0d6f46826d588926969913d7fc6740 (patch) | |
tree | 2ec8c02dd6febecf0af07fe20386e281b0489ff3 | |
parent | video_core/codecs: fix multiple decoding issues on Linux ... (diff) | |
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-rw-r--r-- | src/video_core/command_classes/codecs/codec.cpp | 28 |
1 files 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 403ce30fe..02d309170 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; |