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Merge pull request #7431 from liushuyu/fix-linux-decoding
video_core/codecs: fix multiple decoding issues on Linux
This commit is contained in:
commit
157985f556
1 changed files with 41 additions and 2 deletions
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@ -2,6 +2,8 @@
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// Licensed under GPLv2 or any later version
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <cstdio>
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#include <fstream>
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#include <fstream>
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#include <vector>
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#include <vector>
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#include "common/assert.h"
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#include "common/assert.h"
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@ -59,6 +61,34 @@ Codec::~Codec() {
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av_buffer_unref(&av_gpu_decoder);
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av_buffer_unref(&av_gpu_decoder);
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}
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}
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#ifdef LIBVA_FOUND
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// List all the currently loaded Linux modules
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static std::vector<std::string> ListLinuxKernelModules() {
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using FILEPtr = std::unique_ptr<FILE, decltype(&std::fclose)>;
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auto module_listing = FILEPtr{fopen("/proc/modules", "rt"), std::fclose};
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std::vector<std::string> modules{};
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if (!module_listing) {
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LOG_WARNING(Service_NVDRV, "Could not open /proc/modules to collect available modules");
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return modules;
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}
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char* buffer = nullptr;
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size_t buf_len = 0;
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while (getline(&buffer, &buf_len, module_listing.get()) != -1) {
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// format for the module listing file (sysfs)
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// <name> <module_size> <depended_by_count> <depended_by_names> <status> <load_address>
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auto line = std::string(buffer);
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// we are only interested in module names
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auto name_pos = line.find_first_of(" ");
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if (name_pos == std::string::npos) {
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continue;
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}
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modules.push_back(line.erase(name_pos));
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}
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free(buffer);
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return modules;
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}
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#endif
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bool Codec::CreateGpuAvDevice() {
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bool Codec::CreateGpuAvDevice() {
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#if defined(LIBVA_FOUND)
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#if defined(LIBVA_FOUND)
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static constexpr std::array<const char*, 3> VAAPI_DRIVERS = {
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static constexpr std::array<const char*, 3> VAAPI_DRIVERS = {
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@ -67,8 +97,16 @@ bool Codec::CreateGpuAvDevice() {
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"amdgpu",
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"amdgpu",
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};
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};
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AVDictionary* hwdevice_options = nullptr;
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AVDictionary* hwdevice_options = nullptr;
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const auto loaded_modules = ListLinuxKernelModules();
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av_dict_set(&hwdevice_options, "connection_type", "drm", 0);
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av_dict_set(&hwdevice_options, "connection_type", "drm", 0);
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for (const auto& driver : VAAPI_DRIVERS) {
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for (const auto& driver : VAAPI_DRIVERS) {
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// first check if the target driver is loaded in the kernel
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bool found = std::any_of(loaded_modules.begin(), loaded_modules.end(),
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[&driver](const auto& module) { return module == driver; });
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if (!found) {
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LOG_DEBUG(Service_NVDRV, "Kernel driver {} is not loaded, trying the next one", driver);
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continue;
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}
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av_dict_set(&hwdevice_options, "kernel_driver", driver, 0);
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av_dict_set(&hwdevice_options, "kernel_driver", driver, 0);
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const int hwdevice_error = av_hwdevice_ctx_create(&av_gpu_decoder, AV_HWDEVICE_TYPE_VAAPI,
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const int hwdevice_error = av_hwdevice_ctx_create(&av_gpu_decoder, AV_HWDEVICE_TYPE_VAAPI,
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nullptr, hwdevice_options, 0);
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nullptr, hwdevice_options, 0);
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@ -85,11 +123,12 @@ bool Codec::CreateGpuAvDevice() {
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#endif
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#endif
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static constexpr auto HW_CONFIG_METHOD = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX;
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static constexpr auto HW_CONFIG_METHOD = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX;
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static constexpr std::array GPU_DECODER_TYPES{
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static constexpr std::array GPU_DECODER_TYPES{
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#ifdef linux
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AV_HWDEVICE_TYPE_VDPAU,
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#endif
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AV_HWDEVICE_TYPE_CUDA,
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AV_HWDEVICE_TYPE_CUDA,
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#ifdef _WIN32
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#ifdef _WIN32
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AV_HWDEVICE_TYPE_D3D11VA,
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AV_HWDEVICE_TYPE_D3D11VA,
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#else
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AV_HWDEVICE_TYPE_VDPAU,
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#endif
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#endif
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};
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};
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for (const auto& type : GPU_DECODER_TYPES) {
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for (const auto& type : GPU_DECODER_TYPES) {
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