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Added "artist" and "title" (=frequency) info chunks to WAV files

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This commit is contained in:
furrtek 2017-08-12 14:29:54 +01:00
parent 7f97a090e4
commit 96880d2fc6
5 changed files with 53 additions and 17 deletions
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19
firmware/application/io_wave.cpp
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@ -124,9 +124,11 @@ uint16_t WAVFileReader::bits_per_sample() {
Optional<File::Error> WAVFileWriter::create(
const std::filesystem::path& filename,
size_t sampling_rate_set
size_t sampling_rate_set,
std::string title_set
) {
sampling_rate = sampling_rate_set;
title = title_set;
const auto create_error = FileWriter::create(filename);
if( create_error.is_valid() ) {
return create_error;
@ -136,7 +138,7 @@ Optional<File::Error> WAVFileWriter::create(
}
Optional<File::Error> WAVFileWriter::update_header() {
header_t header { sampling_rate, (uint32_t)bytes_written };
header_t header { sampling_rate, (uint32_t)bytes_written - sizeof(header_t), info_chunk_size };
const auto seek_0_result = file.seek(0);
if( seek_0_result.is_error() ) {
return seek_0_result.error();
@ -152,3 +154,16 @@ Optional<File::Error> WAVFileWriter::update_header() {
}
return { };
}
Optional<File::Error> WAVFileWriter::write_tags() {
tags_t tags { title };
const auto write_result = file.write(&tags, sizeof(tags));
if( write_result.is_error() ) {
return write_result.error();
}
info_chunk_size = sizeof(tags);
return { };
}