1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/assert.h"
#include "common/settings.h"
#include "video_core/host1x/codecs/decoder.h"
#include "video_core/host1x/host1x.h"
#include "video_core/memory_manager.h"
namespace Tegra {
Decoder::Decoder(Host1x::Host1x& host1x_, s32 id_, const Host1x::NvdecCommon::NvdecRegisters& regs_)
: host1x(host1x_)
, regs{regs_}
, id{id_}
{}
Decoder::~Decoder() = default;
void Decoder::SetFrameDimensions(s32 width, s32 height) {
if (width <= 0 || height <= 0) {
frame_dimensions.reset();
return;
}
frame_dimensions = FFmpeg::FrameDimensions{width, height};
}
void Decoder::Decode() {
if (!initialized) {
return;
}
const auto packet_data = ComposeFrame();
FFmpeg::FrameOffsets offsets{};
offsets.hidden = vp9_hidden_frame;
offsets.interlaced = IsInterlaced();
if (offsets.interlaced) {
std::tie(offsets.luma, offsets.luma_bottom, std::ignore, std::ignore) =
GetInterlacedOffsets();
} else {
std::tie(offsets.luma, std::ignore) = GetProgressiveOffsets();
}
// Send assembled bitstream to decoder.
if (!decode_api.SendPacket(packet_data, offsets, GetFrameDimensions())) {
return;
}
auto push = [&](u64 luma, std::shared_ptr<FFmpeg::Frame> frame) {
if (UsingDecodeOrder()) {
host1x.frame_queue.PushDecodeOrder(id, luma, std::move(frame));
} else {
host1x.frame_queue.PushPresentOrder(id, luma, std::move(frame));
}
};
while (auto result = decode_api.ReceiveFrame()) {
auto& [frame, frame_offsets] = *result;
if (!frame) {
continue;
}
if (frame_offsets.interlaced) {
auto frame_copy = frame;
push(frame_offsets.luma, std::move(frame));
push(frame_offsets.luma_bottom, std::move(frame_copy));
} else {
push(frame_offsets.luma, std::move(frame));
}
}
}
} // namespace Tegra
|
