Make the ipod format output compatible with non seekable output stream (pipe).#36

src/libs/av/impl/AvInfo.cpp

@@ -235,6 +235,8 @@ guessMediaFileFormat(const std::filesystem::path& file)
 	if (!format || !format->name)
 		return {};
 
+	LMS_LOG(AV, DEBUG) << "File '" << file.string() << "', formats = '" << format->name << "'";
+
 	auto formats {StringUtils::splitString(format->name, ",")};
 	if (formats.size() > 1)
 		LMS_LOG(AV, INFO) << "File '" << file.string() << "' reported several formats: '" << format->name << "'";

src/libs/av/impl/AvTranscoder.cpp

@@ -162,6 +162,13 @@ Transcoder::start()
 		args.emplace_back("-f");
 		args.emplace_back(mediaFileFormat->format);
 
+		// Workaround for ipod streams: make it compatible with non seekable output
+		if (mediaFileFormat->format == "ipod")
+		{
+			args.emplace_back("-movflags");
+			args.emplace_back("frag_keyframe");
+		}
+
 		_outputMimeType = mediaFileFormat->mimeType;
 	}