diff options
Diffstat (limited to 'src/video_core/command_classes/codecs/vp8.cpp')
-rw-r--r-- | src/video_core/command_classes/codecs/vp8.cpp | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/video_core/command_classes/codecs/vp8.cpp b/src/video_core/command_classes/codecs/vp8.cpp deleted file mode 100644 index c83b9bbc2..000000000 --- a/src/video_core/command_classes/codecs/vp8.cpp +++ /dev/null @@ -1,53 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <vector> - -#include "video_core/command_classes/codecs/vp8.h" -#include "video_core/gpu.h" -#include "video_core/memory_manager.h" - -namespace Tegra::Decoder { -VP8::VP8(GPU& gpu_) : gpu(gpu_) {} - -VP8::~VP8() = default; - -const std::vector<u8>& VP8::ComposeFrame(const NvdecCommon::NvdecRegisters& state) { - VP8PictureInfo info; - gpu.MemoryManager().ReadBlock(state.picture_info_offset, &info, sizeof(VP8PictureInfo)); - - const bool is_key_frame = info.key_frame == 1u; - const auto bitstream_size = static_cast<size_t>(info.vld_buffer_size); - const size_t header_size = is_key_frame ? 10u : 3u; - frame.resize(header_size + bitstream_size); - - // Based on page 30 of the VP8 specification. - // https://datatracker.ietf.org/doc/rfc6386/ - frame[0] = is_key_frame ? 0u : 1u; // 1-bit frame type (0: keyframe, 1: interframes). - frame[0] |= static_cast<u8>((info.version & 7u) << 1u); // 3-bit version number - frame[0] |= static_cast<u8>(1u << 4u); // 1-bit show_frame flag - - // The next 19-bits are the first partition size - frame[0] |= static_cast<u8>((info.first_part_size & 7u) << 5u); - frame[1] = static_cast<u8>((info.first_part_size & 0x7f8u) >> 3u); - frame[2] = static_cast<u8>((info.first_part_size & 0x7f800u) >> 11u); - - if (is_key_frame) { - frame[3] = 0x9du; - frame[4] = 0x01u; - frame[5] = 0x2au; - // TODO(ameerj): Horizontal/Vertical Scale - // 16 bits: (2 bits Horizontal Scale << 14) | Width (14 bits) - frame[6] = static_cast<u8>(info.frame_width & 0xff); - frame[7] = static_cast<u8>(((info.frame_width >> 8) & 0x3f)); - // 16 bits:(2 bits Vertical Scale << 14) | Height (14 bits) - frame[8] = static_cast<u8>(info.frame_height & 0xff); - frame[9] = static_cast<u8>(((info.frame_height >> 8) & 0x3f)); - } - const u64 bitstream_offset = state.frame_bitstream_offset; - gpu.MemoryManager().ReadBlock(bitstream_offset, frame.data() + header_size, bitstream_size); - - return frame; -} - -} // namespace Tegra::Decoder |