Addressed reviews
B3N30
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commit
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// Copyright 2018 Citra Emulator Project
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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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#ifdef _WIN32
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#include <memory>
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#include "audio_core/hle/ffmpeg_dl.h"
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#include "common/file_util.h"
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#include "common/logging/log.h"
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struct LibraryDeleter {
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typedef HMODULE pointer;
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void operator()(HMODULE h) {
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if (h != nullptr)
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FreeLibrary(h);
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}
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};
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std::unique_ptr<HMODULE, LibraryDeleter> dll_util{nullptr};
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std::unique_ptr<HMODULE, LibraryDeleter> dll_codec{nullptr};
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FuncDL<int(AVSampleFormat)> av_get_bytes_per_sample_dl;
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FuncDL<AVFrame*(void)> av_frame_alloc_dl;
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FuncDL<void(AVFrame**)> av_frame_free_dl;
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FuncDL<AVCodecContext*(const AVCodec*)> avcodec_alloc_context3_dl;
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FuncDL<void(AVCodecContext**)> avcodec_free_context_dl;
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FuncDL<int(AVCodecContext*, const AVCodec*, AVDictionary**)> avcodec_open2_dl;
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FuncDL<AVPacket*(void)> av_packet_alloc_dl;
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FuncDL<void(AVPacket**)> av_packet_free_dl;
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FuncDL<AVCodec*(AVCodecID)> avcodec_find_decoder_dl;
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FuncDL<int(AVCodecContext*, const AVPacket*)> avcodec_send_packet_dl;
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FuncDL<int(AVCodecContext*, AVFrame*)> avcodec_receive_frame_dl;
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FuncDL<AVCodecParserContext*(int)> av_parser_init_dl;
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FuncDL<int(AVCodecParserContext*, AVCodecContext*, uint8_t**, int*, const uint8_t*, int, int64_t,
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int64_t, int64_t)>
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av_parser_parse2_dl;
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FuncDL<void(AVCodecParserContext*)> av_parser_close_dl;
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bool InitFFmpegDL() {
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std::string dll_path = FileUtil::GetUserPath(FileUtil::UserPath::DLLDir);
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FileUtil::CreateDir(dll_path);
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std::wstring w_dll_path = std::wstring(dll_path.begin(), dll_path.end());
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SetDllDirectoryW(w_dll_path.c_str());
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dll_util.reset(LoadLibrary("avutil-56.dll"));
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if (!dll_util) {
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DWORD error_message_id = GetLastError();
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LPSTR message_buffer = nullptr;
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size_t size =
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FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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nullptr, error_message_id, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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reinterpret_cast<LPSTR>(&message_buffer), 0, nullptr);
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std::string message(message_buffer, size);
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LocalFree(message_buffer);
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LOG_ERROR(Audio_DSP, "Could not load avutil-56.dll: {}", message);
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return false;
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}
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dll_codec.reset(LoadLibrary("avcodec-58.dll"));
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if (!dll_codec) {
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DWORD error_message_id = GetLastError();
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LPSTR message_buffer = nullptr;
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size_t size =
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FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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nullptr, error_message_id, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
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reinterpret_cast<LPSTR>(&message_buffer), 0, nullptr);
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std::string message(message_buffer, size);
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LocalFree(message_buffer);
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LOG_ERROR(Audio_DSP, "Could not load avcodec-58.dll: {}", message);
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return false;
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}
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av_get_bytes_per_sample_dl =
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FuncDL<int(AVSampleFormat)>(dll_util.get(), "av_get_bytes_per_sample");
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if (!av_get_bytes_per_sample_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function av_get_bytes_per_sample");
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return false;
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}
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av_frame_alloc_dl = FuncDL<AVFrame*()>(dll_util.get(), "av_frame_alloc");
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if (!av_frame_alloc_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function av_frame_alloc");
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return false;
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}
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av_frame_free_dl = FuncDL<void(AVFrame**)>(dll_util.get(), "av_frame_free");
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if (!av_frame_free_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function av_frame_free");
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return false;
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}
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avcodec_alloc_context3_dl =
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FuncDL<AVCodecContext*(const AVCodec*)>(dll_codec.get(), "avcodec_alloc_context3");
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if (!avcodec_alloc_context3_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function avcodec_alloc_context3");
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return false;
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}
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avcodec_free_context_dl =
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FuncDL<void(AVCodecContext**)>(dll_codec.get(), "avcodec_free_context");
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if (!av_get_bytes_per_sample_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function avcodec_free_context");
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return false;
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}
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avcodec_open2_dl = FuncDL<int(AVCodecContext*, const AVCodec*, AVDictionary**)>(
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dll_codec.get(), "avcodec_open2");
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if (!avcodec_open2_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function avcodec_open2");
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return false;
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}
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av_packet_alloc_dl = FuncDL<AVPacket*(void)>(dll_codec.get(), "av_packet_alloc");
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if (!av_packet_alloc_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function av_packet_alloc");
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return false;
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}
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av_packet_free_dl = FuncDL<void(AVPacket**)>(dll_codec.get(), "av_packet_free");
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if (!av_packet_free_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function av_packet_free");
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return false;
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}
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avcodec_find_decoder_dl = FuncDL<AVCodec*(AVCodecID)>(dll_codec.get(), "avcodec_find_decoder");
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if (!avcodec_find_decoder_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function avcodec_find_decoder");
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return false;
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}
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avcodec_send_packet_dl =
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FuncDL<int(AVCodecContext*, const AVPacket*)>(dll_codec.get(), "avcodec_send_packet");
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if (!avcodec_send_packet_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function avcodec_send_packet");
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return false;
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}
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avcodec_receive_frame_dl =
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FuncDL<int(AVCodecContext*, AVFrame*)>(dll_codec.get(), "avcodec_receive_frame");
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if (!avcodec_receive_frame_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function avcodec_receive_frame");
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return false;
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}
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av_parser_init_dl = FuncDL<AVCodecParserContext*(int)>(dll_codec.get(), "av_parser_init");
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if (!av_parser_init_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function av_parser_init");
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return false;
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}
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av_parser_parse2_dl =
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FuncDL<int(AVCodecParserContext*, AVCodecContext*, uint8_t**, int*, const uint8_t*, int,
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int64_t, int64_t, int64_t)>(dll_codec.get(), "av_parser_parse2");
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if (!av_parser_parse2_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function av_parser_parse2");
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return false;
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}
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av_parser_close_dl = FuncDL<void(AVCodecParserContext*)>(dll_codec.get(), "av_parser_close");
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if (!av_parser_close_dl) {
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LOG_ERROR(Audio_DSP, "Can not load function av_parser_close");
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return false;
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}
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return true;
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}
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#endif // _Win32
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