[Traverso-commit] traverso/src/audiofileio/encode WPAudioWriter.cpp

[Remon Sijrier]

CVSROOT:        /sources/traverso
Module name:    traverso
Changes by:     Remon Sijrier <r_sijrier>       07/08/14 16:29:50

Modified files:
        src/audiofileio/encode: WPAudioWriter.cpp 

Log message:
        some config flags plus documentation added 

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/traverso/src/audiofileio/encode/WPAudioWriter.cpp?cvsroot=traverso&r1=1.4&r2=1.5

Patches:
Index: WPAudioWriter.cpp
===================================================================
RCS file: /sources/traverso/traverso/src/audiofileio/encode/WPAudioWriter.cpp,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -b -r1.4 -r1.5
--- WPAudioWriter.cpp   13 Aug 2007 12:05:06 -0000      1.4
+++ WPAudioWriter.cpp   14 Aug 2007 16:29:50 -0000      1.5
@@ -75,6 +75,18 @@
        m_config.channel_mask = (m_channels == 2) ? 3 : 4; // Microsoft 
standard (mono = 4, stereo = 3)
        m_config.num_channels = m_channels;
        m_config.sample_rate = m_rate;
+       
+       // Make optional ?
+       
+       // CONFIG_HIGH_FLAG (default) ~ 1.5 times slower then FAST, ~ 20% extra 
compression then FAST
+       // CONFIG_VERY_HIGH_FLAG ~ 2 times slower then FAST, ~ 25 % extra 
compression then FAST
+       m_config.flags |= CONFIG_FAST_FLAG;
+       // This option reduces the storage of some floating-point data files by 
up to about 10% by eliminating some 
+       // information that has virtually no effect on the audio data. While 
this does technically make the compression 
+       // lossy, it retains all the advantages of floating point data (>600 dB 
of dynamic range, no clipping, and 25 bits 
+       // of resolution). This also affects large integer compression by 
limiting the resolution to 24 bits.
+//     m_config.flags |= CONFIG_SKIP_WVX;
+       
        WavpackSetConfiguration(m_wp, &m_config, -1);
        
        if (!WavpackPackInit(m_wp)) {