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#7 processing uploaded audio files and converting them to draft narrations

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This commit is contained in:
Hamid Reza Mohammadi 2020-09-09 21:05:11 +04:30
parent 2e918dcdb4
commit f2ba1c723b
1 changed files with 36 additions and 2 deletions
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38
RMuseum/Services/Implementation/AudioNarrationService.cs
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@ -283,15 +283,49 @@ namespace RMuseum.Services.Implementation
else
{
//here we should produce and save ogg file
using(Mp3FileReader mp3FileReader = new Mp3FileReader(mp3file.FilePath))
byte[] mp3bytes = File.ReadAllBytes(mp3file.FilePath);
int mp3fileSize = mp3bytes.Length;
int oggfileSize;
using (MemoryStream ms = new MemoryStream(mp3bytes))
using (Mp3FileReader mp3FileReader = new Mp3FileReader(ms))
{
byte[] samples = new byte[mp3FileReader.Length];
await mp3FileReader.ReadAsync(samples, 0, (int)mp3FileReader.Length);
var oggBytes = ConvertRawPCMFile(mp3FileReader.Mp3WaveFormat.SampleRate, mp3FileReader.Mp3WaveFormat.Channels, samples, PCMSample.EightBit, mp3FileReader.Mp3WaveFormat.SampleRate, mp3FileReader.Mp3WaveFormat.Channels);
oggfileSize = oggBytes.Length;
File.WriteAllBytes(Path.Combine(Path.GetDirectoryName(mp3file.FilePath), $"{Path.GetFileNameWithoutExtension(mp3file.FilePath)}.ogg") , oggBytes);
}
//create draft poem narration:
var FileNameWithoutExtension = $"{audio.PoemId}-{session.UseId}";//TODO: use user profiles for audio files here
//TODO: rename and move files somewhere here
PoemNarration narration = new PoemNarration()
{
OwnerId = session.UseId,
GanjoorAudioId = 1 + await context.AudioFiles.OrderByDescending(a => a.GanjoorAudioId).Select(a => a.GanjoorAudioId).FirstOrDefaultAsync(),
AudioOrder = 1 + await context.AudioFiles.Where(a => a.GanjoorPostId == audio.PoemId).OrderByDescending(a => a.GanjoorAudioId).Select(a => a.GanjoorAudioId).FirstOrDefaultAsync(),
FileNameWithoutExtension = FileNameWithoutExtension,
SoundFilesFolder = "a2",
AudioTitle = audio.PoemTitle,
AudioArtist = "",//TODO: use user profiles for audio files here
AudioArtistUrl = "",//TODO: use user profiles for audio files here
AudioSrc = "", //TODO: use user profiles for audio files here
AudioSrcUrl = "", //TODO: use user profiles for audio files here
LegacyAudioGuid = audio.SyncGuid, //check for repeated guid here
Mp3FileCheckSum = audio.FileCheckSum,
Mp3SizeInBytes = mp3fileSize,
OggSizeInBytes = oggfileSize,
UploadDate = session.UploadEndTime,
LocalMp3FilePath = mp3file.FilePath,
LocalXmlFilePath = file.FilePath,
AudioSyncStatus = (int)AudioSyncStatus.NewItem,
ReviewStatus = AudioReviewStatus.Draft
};
context.AudioFiles.Add(narration);
session.UploadedFiles.Where(f => f.Id == file.Id).SingleOrDefault().ProcessResultMsg = "";
session.UploadedFiles.Where(f => f.Id == file.Id).SingleOrDefault().ProcessResult = true;
session.UploadedFiles.Where(f => f.Id == mp3file.Id).SingleOrDefault().ProcessResultMsg = "";