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76 lines
1.7 KiB
76 lines
1.7 KiB
/*
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* Copyright 2023 jacqueline <me@jacqueline.id.au>
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#include "stream_info.hpp"
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#include <cstdint>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <type_traits>
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#include <utility>
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#include <variant>
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#include "result.hpp"
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#include "span.hpp"
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#include "types.hpp"
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namespace audio {
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void InputStream::consume(std::size_t bytes) const {
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assert(raw_->info->bytes_in_stream >= bytes);
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auto new_data = raw_->data.subspan(bytes);
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std::move(new_data.begin(), new_data.end(), raw_->data.begin());
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raw_->info->bytes_in_stream = new_data.size_bytes();
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}
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void InputStream::mark_incomplete() const {
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raw_->is_incomplete = true;
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}
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const StreamInfo& InputStream::info() const {
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return *raw_->info;
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}
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cpp::span<const std::byte> InputStream::data() const {
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return raw_->data.first(raw_->info->bytes_in_stream);
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}
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void OutputStream::add(std::size_t bytes) const {
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assert(raw_->info->bytes_in_stream + bytes <= raw_->data.size_bytes());
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raw_->info->bytes_in_stream += bytes;
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}
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bool OutputStream::prepare(const StreamInfo::Format& new_format) {
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if (std::holds_alternative<std::monostate>(raw_->info->format)) {
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raw_->info->format = new_format;
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raw_->info->bytes_in_stream = 0;
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return true;
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}
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if (new_format == raw_->info->format) {
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return true;
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}
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if (raw_->is_incomplete) {
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raw_->info->format = new_format;
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raw_->info->bytes_in_stream = 0;
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return true;
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}
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return false;
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}
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const StreamInfo& OutputStream::info() const {
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return *raw_->info;
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}
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cpp::span<std::byte> OutputStream::data() const {
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return raw_->data.subspan(raw_->info->bytes_in_stream);
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}
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bool OutputStream::is_incomplete() const {
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return raw_->is_incomplete;
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}
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} // namespace audio
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