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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 33 |
1 files changed, 19 insertions, 14 deletions
@@ -1,24 +1,27 @@ FDK-AAC-DABplus Package ======================= -This package contains an DAB+ encoder that uses a modified library -of the Fraunhofer FDK AAC code from Android, patched for -960-transform to do DAB+ broadcast encoding. +This package contains a DAB and DAB+ encoder that integrates into the +ODR-mmbTools. + +The DAB encoder is based on toolame. The DAB+ encoder uses a modified library +of the Fraunhofer FDK AAC code from Android, patched for 960-transform to do +DAB+ broadcast encoding. The main tool is the *dabplus-enc* encoder, which can read audio from a file (raw or wav), from an ALSA source, from JACK or using libVLC, and encode to a file, a pipe, or to a ZeroMQ output compatible with ODR-DabMux. -The JACK input does not automatically connect to anything. The encoder runs -at the rate defined by the system clock, and therefore sound -card clock drift compensation is also used. - The libVLC input allows the encoder to use all inputs supported by VLC, and -therefore also webstreams, and other network sources. +therefore also webstreams and other network sources. The ALSA and libVLC inputs support experimental sound card clock drift compensation, that can compensate for imprecise sound card clocks. +The JACK input does not automatically connect to anything. The encoder runs +at the rate defined by the system clock, and therefore sound +card clock drift compensation is also used. + *dabplus-enc* includes support for DAB MOT Slideshow and DLS, contributed by [CSP](http://rd.csp.it). @@ -38,12 +41,12 @@ Requirements: * A C++11 compiler * ImageMagick magickwand (optional, for MOT slideshow) -* The alsa libraries (libasound2) * Download and install libfec from https://github.com/Opendigitalradio/ka9q-fec * Install ZeroMQ 4.0.4 or more recent * If your distribution does not include it, take it from from http://download.zeromq.org/zeromq-4.0.4.tar.gz * JACK audio connection kit (optional) +* The alsa libraries (libasound2, optional) * libvlc and vlc for the plugins (optional) This package: @@ -73,8 +76,8 @@ input on port 9000. DST="tcp://yourserver:9000" BITRATE=64 -AAC encoder configuration -------------------------- +DAB+ AAC encoder configuration +------------------------------ By default, when not overridden by the --aaclc, --sbr or --ps options, the encoder is configured according to bitrate and number of channels. @@ -254,13 +257,15 @@ LICENCE It's complicated. The FDK-AAC-DABplus project contains - The Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for - Android, which is under its own licence. See NOTICE. + Android, which is under its own licence. See NOTICE. This is built into a + shared library. - The code for dabplus-enc in src/ licensed under the Apache Licence v2.0. See http://www.apache.org/licenses/LICENSE-2.0 - libtoolame-dab, derived from TooLAME, licensed under LGPL v2.1 or later. See - libtoolame-dab/LGPL.txt + libtoolame-dab/LGPL.txt. This is built into a shared library. -These source files are compiled and linked together into the dabplus-enc encoder. +The dabplus-enc binary is linked agains the libtoolame-dab and fdk-aac-dabplus +shared libraries. In addition to the audio encoder, there is also mot-encoder, containing code |