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| -rw-r--r-- | README.md | 36 |
1 files changed, 16 insertions, 20 deletions
@@ -7,11 +7,11 @@ support for: * MOT Slideshow (including catSLS), according to ETSI EN 301 234 and TS 101 499 * DLS (including DL Plus), according to ETSI EN 300 401 and TS 102 980 -To encode DLS and Slideshow data, the *odr-padenc* tool reads images +To encode DLS and Slideshow data, the `odr-padenc` tool reads images from a folder and DLS text from a file, and generates the PAD data for the encoder. -For detailed usage, see the usage screen of the tool with the *-h* option. +For detailed usage, see the usage screen of the tool with the `-h` option. More information is available on the [Opendigitalradio wiki](http://wiki.opendigitalradio.org/ODR-PadEnc) @@ -50,8 +50,8 @@ This has been fixed with the following package versions: Usage of MOT Slideshow and DLS ============================== -*odr-padenc* reads images from the specified folder, and generates the PAD -data for the encoder. This is communicated through a fifo to the encoder. It +`odr-padenc` reads images from the specified folder, and generates the PAD +data for the encoder. This is communicated through a FIFO to the encoder. It also reads DLS from a file, and includes this information in the PAD. If ImageMagick is available @@ -64,47 +64,43 @@ transmitted as PNG without any recompression. RAW Format ---------- -If ImageMagick is not compiled in, or when enabled with the -R option, the images +If ImageMagick is not compiled in, or when enabled with the `-R` option, the images are not modified, and are transmitted as-is. Use this if you can guarantee that the generated files are smaller than 50kB and not larger than 320x240 pixels. Supported Encoders ------------------ -*odr-audioenc* can insert the PAD data from *odr-padenc* into the bitstream. -The mp2 encoder [Toolame-DAB](https://github.com/Opendigitalradio/toolame-dab) -can also read *odr-padenc* data. +`odr-audioenc` can insert the PAD data from `odr-padenc` into the bitstream. +The MP2 encoder [Toolame-DAB](https://github.com/Opendigitalradio/toolame-dab) +can also read `odr-padenc` data. -This is an ongoing development. Make sure you use the same pad length option -for *odr-padenc* and the audio encoder. Only some pad lengths are supported, -please see *odr-padenc*'s help. +This is an ongoing development. Make sure you use the same PAD length option +for `odr-padenc` and the audio encoder. Only some PAD lengths are supported, +please see `odr-padenc`'s help. Character Sets -------------- -When *odr-padenc* is launched with the default character set options, it assumes +When `odr-padenc` is launched with the default character set options, it assumes that the DLS text in the file is encoded in UTF-8, and will convert it according to the DAB standard to the *Complete EBU Latin based repertoire* character set encoding. If you set the character set encoding to any other setting (except *Complete EBU Latin based repertoire* which needs no conversion), -*odr-padenc* will abort, as it does not support any other conversion than from +`odr-padenc` will abort, as it does not support any other conversion than from UTF-8 to *Complete EBU Latin based repertoire*. -You can however use the -C option to transmit the untouched DLS text. In this +You can however use the `-C` option to transmit the untouched DLS text. In this case, it is your responsibility to ensure the encoding is valid. For instance, if your data is already encoded in *Complete EBU Latin based repertoire*, you -must specify both --charset=0 and --raw-dls. +must specify both `--charset=0` and `--raw-dls`. Known Limitations ================= -*odr-padenc* encodes slides in a 10 second interval, which is not linked -to the rate at which the encoder reads the PAD data. It also doesn't prioritise -DLS transmission over Slides. - Some receivers are unable to decode slides larger than some size, even within the allowed size limit given in the specification. Thanks ====== -This encoder was initially called *mot-encoder* and has been contributed by +This encoder was initially called `mot-encoder` and has been contributed by [CSP](http://rd.csp.it). |