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DreadHeadHippyandCopilot
5728a91e7f
Every export was forced to 100 Mbps, about 750 MB per minute of replay, whichever quality was chosen. The bitrate patch is removed; the frame pacing fix stays. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
56 lines
2.3 KiB
C++
56 lines
2.3 KiB
C++
#include "replay_export.h"
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#include "Engine/Core/Hooks/hooks.h"
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#include "Engine/Core/Log/logging.h"
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#include "Engine/Core/Platform/memory.h"
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#include "Engine/Game/Build/addresses.h"
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#include "Engine/Game/Build/20260929/replay_export.h"
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#include "Engine/Game/Build/supported_build.h"
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#include <array>
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#include <atomic>
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#include <cstring>
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#include <Windows.h>
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namespace dingosdk::replay_export {
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namespace {
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namespace native = addr::replay_export;
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// The encoder passes its arguments straight on to the codec, so all four
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// register arguments are forwarded as they came.
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using Submit = void (*)(std::uintptr_t encoder, std::uintptr_t pixels, std::uintptr_t pitch, std::uintptr_t unused);
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std::atomic<Submit> original{};
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std::atomic<std::uintptr_t> image{};
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void submit(std::uintptr_t encoder, std::uintptr_t pixels, std::uintptr_t pitch, std::uintptr_t unused) {
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// Encoding is done on this thread before the call returns, so letting every
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// frame through also holds the renderer to the pace the encoder keeps.
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std::uintptr_t vtable{};
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if (memory::peek(encoder, vtable) && vtable == image.load() + native::replay_encoder_vtable)
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*reinterpret_cast<std::uint8_t*>(encoder + native::frame_permit) = 1;
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original.load()(encoder, pixels, pitch, unused);
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}
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} // namespace
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bool start(std::uintptr_t base) noexcept {
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try {
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std::array<unsigned char, native::submit_frame_prefix.size()> bytes{};
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if (!base || !memory::read_bytes(base + native::submit_frame, bytes.data(), bytes.size()) ||
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bytes != native::submit_frame_prefix) {
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logging::write(logging::Level::warning, logging::Channel::graphics,
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"Replay export frame pacing hook skipped: game code did not match the supported build.");
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return false;
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}
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image = base;
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auto* target = reinterpret_cast<void*>(base + native::submit_frame);
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void* previous{};
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if (hook_prepare(target, reinterpret_cast<void*>(&submit), &previous) != HookOk) return false;
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original = reinterpret_cast<Submit>(previous);
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if (hook_enable(target) != HookOk) {
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hook_remove(target);
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return false;
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}
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return true;
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} catch (...) {
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return false;
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}
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}
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} // namespace dingosdk::replay_export
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