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AK: Remove the fallible constructor from FixedMemoryStream

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This commit is contained in:
Tim Schumacher 2023-01-30 11:05:43 +01:00 • committed by Linus Groh
parent 8b2f23d016
commit 220fbcaa7e
31 changed files with 185 additions and 209 deletions
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26
Userland/Libraries/LibAudio/FlacLoader.cpp
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@ -42,7 +42,7 @@ Result<NonnullOwnPtr<FlacLoaderPlugin>, LoaderError> FlacLoaderPlugin::create(St
Result<NonnullOwnPtr<FlacLoaderPlugin>, LoaderError> FlacLoaderPlugin::create(Bytes buffer)
{
auto stream = LOADER_TRY(FixedMemoryStream::construct(buffer));
auto stream = LOADER_TRY(try_make<FixedMemoryStream>(buffer));
auto loader = make<FlacLoaderPlugin>(move(stream));
LOADER_TRY(loader->initialize());
@ -78,8 +78,8 @@ MaybeLoaderError FlacLoaderPlugin::parse_header()
// Receive the streaminfo block
auto streaminfo = TRY(next_meta_block(bit_input));
FLAC_VERIFY(streaminfo.type == FlacMetadataBlockType::STREAMINFO, LoaderError::Category::Format, "First block must be STREAMINFO");
auto streaminfo_data_memory = LOADER_TRY(FixedMemoryStream::construct(streaminfo.data.bytes()));
BigEndianInputBitStream streaminfo_data { MaybeOwned<AK::Stream>(*streaminfo_data_memory) };
FixedMemoryStream streaminfo_data_memory { streaminfo.data.bytes() };
BigEndianInputBitStream streaminfo_data { MaybeOwned<AK::Stream>(streaminfo_data_memory) };
// 11.10 METADATA_BLOCK_STREAMINFO
m_min_block_size = LOADER_TRY(streaminfo_data.read_bits<u16>(16));
@ -149,8 +149,8 @@ MaybeLoaderError FlacLoaderPlugin::parse_header()
// 11.19. METADATA_BLOCK_PICTURE
MaybeLoaderError FlacLoaderPlugin::load_picture(FlacRawMetadataBlock& block)
{
auto memory_stream = LOADER_TRY(FixedMemoryStream::construct(block.data.bytes()));
BigEndianInputBitStream picture_block_bytes { MaybeOwned<AK::Stream>(*memory_stream) };
FixedMemoryStream memory_stream { block.data.bytes() };
BigEndianInputBitStream picture_block_bytes { MaybeOwned<AK::Stream>(memory_stream) };
PictureData picture {};
@ -158,13 +158,13 @@ MaybeLoaderError FlacLoaderPlugin::load_picture(FlacRawMetadataBlock& block)
auto const mime_string_length = LOADER_TRY(picture_block_bytes.read_bits(32));
// Note: We are seeking before reading the value to ensure that we stayed inside buffer's size.
auto offset_before_seeking = memory_stream->offset();
LOADER_TRY(memory_stream->seek(mime_string_length, SeekMode::FromCurrentPosition));
auto offset_before_seeking = memory_stream.offset();
LOADER_TRY(memory_stream.seek(mime_string_length, SeekMode::FromCurrentPosition));
picture.mime_string = { block.data.bytes().data() + offset_before_seeking, (size_t)mime_string_length };
auto const description_string_length = LOADER_TRY(picture_block_bytes.read_bits(32));
offset_before_seeking = memory_stream->offset();
LOADER_TRY(memory_stream->seek(description_string_length, SeekMode::FromCurrentPosition));
offset_before_seeking = memory_stream.offset();
LOADER_TRY(memory_stream.seek(description_string_length, SeekMode::FromCurrentPosition));
picture.description_string = Vector<u32> { Span<u32> { reinterpret_cast<u32*>(block.data.bytes().data() + offset_before_seeking), (size_t)description_string_length } };
picture.width = LOADER_TRY(picture_block_bytes.read_bits(32));
@ -174,8 +174,8 @@ MaybeLoaderError FlacLoaderPlugin::load_picture(FlacRawMetadataBlock& block)
picture.colors = LOADER_TRY(picture_block_bytes.read_bits(32));
auto const picture_size = LOADER_TRY(picture_block_bytes.read_bits(32));
offset_before_seeking = memory_stream->offset();
LOADER_TRY(memory_stream->seek(picture_size, SeekMode::FromCurrentPosition));
offset_before_seeking = memory_stream.offset();
LOADER_TRY(memory_stream.seek(picture_size, SeekMode::FromCurrentPosition));
picture.data = Vector<u8> { Span<u8> { block.data.bytes().data() + offset_before_seeking, (size_t)picture_size } };
m_pictures.append(move(picture));
@ -186,8 +186,8 @@ MaybeLoaderError FlacLoaderPlugin::load_picture(FlacRawMetadataBlock& block)
// 11.13. METADATA_BLOCK_SEEKTABLE
MaybeLoaderError FlacLoaderPlugin::load_seektable(FlacRawMetadataBlock& block)
{
auto memory_stream = LOADER_TRY(FixedMemoryStream::construct(block.data.bytes()));
BigEndianInputBitStream seektable_bytes { MaybeOwned<AK::Stream>(*memory_stream) };
FixedMemoryStream memory_stream { block.data.bytes() };
BigEndianInputBitStream seektable_bytes { MaybeOwned<AK::Stream>(memory_stream) };
for (size_t i = 0; i < block.length / 18; ++i) {
// 11.14. SEEKPOINT
FlacSeekPoint seekpoint {