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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/assert.h"
#include "common/polyfill_thread.h"
#include "common/settings.h"
#include "video_core/host1x/codecs/h264.h"
#include "video_core/host1x/codecs/vp8.h"
#include "video_core/host1x/codecs/vp9.h"
#include "video_core/host1x/host1x.h"
#include "video_core/host1x/nvdec.h"
namespace Tegra::Host1x {
#define NVDEC_REG_INDEX(field_name) \
(offsetof(NvdecCommon::NvdecRegisters, field_name) / sizeof(u64))
Nvdec::Nvdec(Host1x& host1x_, s32 id_, u32 syncpt, FrameQueue& frame_queue_)
: CDmaPusher{host1x_, id_}, id{id_}, syncpoint{syncpt}, frame_queue{frame_queue_} {
LOG_INFO(HW_GPU, "Created nvdec {}", id);
frame_queue.Open(id);
}
Nvdec::~Nvdec() {
LOG_INFO(HW_GPU, "Destroying nvdec {}", id);
}
void Nvdec::ProcessMethod(u32 method, u32 argument) {
regs.reg_array[method] = argument;
switch (method) {
case NVDEC_REG_INDEX(set_codec_id):
CreateDecoder(static_cast<NvdecCommon::VideoCodec>(argument));
break;
case NVDEC_REG_INDEX(execute): {
if (wait_needed) {
std::this_thread::sleep_for(std::chrono::milliseconds(32));
wait_needed = false;
}
Execute();
} break;
}
}
void Nvdec::CreateDecoder(NvdecCommon::VideoCodec codec) {
if (decoder.get()) {
return;
}
switch (codec) {
case NvdecCommon::VideoCodec::H264:
decoder = std::make_unique<Decoders::H264>(host1x, regs, id, frame_queue);
break;
case NvdecCommon::VideoCodec::VP8:
decoder = std::make_unique<Decoders::VP8>(host1x, regs, id, frame_queue);
break;
case NvdecCommon::VideoCodec::VP9:
decoder = std::make_unique<Decoders::VP9>(host1x, regs, id, frame_queue);
break;
default:
UNIMPLEMENTED_MSG("Codec {}", decoder->GetCurrentCodecName());
break;
}
LOG_INFO(HW_GPU, "Created decoder {} for id {}", decoder->GetCurrentCodecName(), id);
}
void Nvdec::Execute() {
if (Settings::values.nvdec_emulation.GetValue() == Settings::NvdecEmulation::Off) [[unlikely]] {
// Signalling syncpts too fast can cause games to get stuck as they don't expect a <1ms
// execution time. Sleep for half of a 60 fps frame just in case.
std::this_thread::sleep_for(std::chrono::milliseconds(8));
return;
}
switch (decoder->GetCurrentCodec()) {
case NvdecCommon::VideoCodec::H264:
case NvdecCommon::VideoCodec::VP8:
case NvdecCommon::VideoCodec::VP9:
decoder->Decode();
break;
default:
UNIMPLEMENTED_MSG("Codec {}", decoder->GetCurrentCodecName());
break;
}
}
} // namespace Tegra::Host1x
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