Module: NuWav
- Defined in:
- lib/nu_wav.rb,
lib/nu_wav/chunk.rb,
lib/nu_wav/version.rb,
lib/nu_wav/wave_file.rb
Defined Under Namespace
Classes: BextChunk, CartChunk, Chunk, DataChunk, FactChunk, FmtChunk, MextChunk, NotRIFFFormat, NotWAVEFormat, RiffChunk, WaveFile
Constant Summary collapse
- DEBUG =
ENV['NU_WAV_DEBUG']
- TMP_FILE_DIR =
ENV['NU_WAV_TMP_DIR'] || '/tmp/'
- PCM_INTEGER_COMPRESSION =
1 is standard integer based, 3 is the floating point PCM
1
- PCM_FLOATING_COMPRESSION =
3
- PCM_COMPRESSION =
[PCM_INTEGER_COMPRESSION, PCM_FLOATING_COMPRESSION]
- MPEG_COMPRESSION =
80
- ACM_MPEG_LAYER1 =
1
- ACM_MPEG_LAYER2 =
2
- ACM_MPEG_LAYER3 =
4
- ACM_LAYERS =
[ACM_MPEG_LAYER1, ACM_MPEG_LAYER2, ACM_MPEG_LAYER3]
- ACM_MPEG_STEREO =
1
- ACM_MPEG_JOINTSTEREO =
2
- ACM_MPEG_DUALCHANNEL =
4
- ACM_MPEG_SINGLECHANNEL =
8
- CHANNEL_MODES =
{'Stereo'=>ACM_MPEG_STEREO, 'JStereo'=>ACM_MPEG_JOINTSTEREO, 'Dual Channel'=>ACM_MPEG_DUALCHANNEL, 'Single Channel'=>ACM_MPEG_SINGLECHANNEL}
- CODING_HISTORY_MODE =
{'Single Channel'=>'mono', 'Stereo'=>'stereo', 'Dual Channel'=>'dual-mono', 'JStereo'=>'joint-stereo'}
- VERSION =
"0.5.3"
Class Method Summary collapse
Class Method Details
.temp_file(base_file_name = nil, keep_open = false, keep_textmode = false) ⇒ Object
48 49 50 51 52 53 54 |
# File 'lib/nu_wav.rb', line 48 def self.temp_file(base_file_name=nil, keep_open=false, keep_textmode=false) FileUtils.mkdir_p(NuWav::TMP_FILE_DIR) unless File.exists?(NuWav::TMP_FILE_DIR) Tempfile.new(base_file_name, NuWav::TMP_FILE_DIR).tap do |tmp| tmp.binmode unless keep_textmode tmp.close unless keep_open end end |