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doc/AMR-EFR-philosophy: new article
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 17 Apr 2024 20:53:10 +0000
parents 34f8549ff0b1
children 4c458145e793
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Mychaela Falconia <falcon@freecalypso.org>
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1 The present document is intended to be a guide for any parties who are going to
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Mychaela Falconia <falcon@freecalypso.org>
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2 turn the present upstream gsm-codec-lib source package into user-friendly binary
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3 packages for specific distributions.
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4
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5 The Mother's primary recommendation with regard to downstream packaging of the
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Mychaela Falconia <falcon@freecalypso.org>
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6 present software is that end-user binary packages should be divided more finely
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7 than the present source package. At the present source level the two principal
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8 libraries (libgsmefr and libgsmfrp) are combined together with a bunch of
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Mychaela Falconia <falcon@freecalypso.org>
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9 command line utilities for reasons of compile-time dependency (utilities depend
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10 on libraries), and also for the purposes of library development and testing -
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11 but the same combination does not make much sense from a user's perspective.
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12 Therefore, it is our recommendation that the present source package be split as
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13 follows at the level of end-user distro packages:
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14
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15 libgsmefr package: just libgsmefr.a and its associated gsm_efr.h header file.
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16
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17 libgsmfrp package: just libgsmfrp.a and its associated gsm_fr_preproc.h header
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18 file. Given that <gsm_fr_preproc.h> depends on <gsm.h> from classic libgsm,
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Mychaela Falconia <falcon@freecalypso.org>
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19 the latter library (libgsm) should probably be officially declared as a
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20 dependency for libgsmfrp.
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21
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22 gsm-codec-utils (or themwi-gsm-codec-utils or themwi-codec-utils) package: all
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23 command line utilities built and installed in amrconv, efrtest, frtest and
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24 miscutil subdirectories. This package will depend on libgsmefr, libgsmfrp and
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25 classic libgsm - the latter is pre-existing software, not provided by
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26 Themyscira.
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27
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28 With the division recommended above, the set of end-user packages will exhibit
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29 a sensible functional division from the user's perspective, and a clean and
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30 sensible dependency graph.
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31
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32 Package versions
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33 ================
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34
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35 The two library packages (libgsmefr and libgsmfrp) should be versioned with
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Mychaela Falconia <falcon@freecalypso.org>
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36 their own proper semantic versions listed in the Library-versions document, as
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37 opposed to the larger gsm-codec-lib tarball release version. If a later
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38 gsm-codec-lib tarball release exhibits no changes in the libraries (the only
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39 changes are in the command line utilities) or if only one of the two libraries
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40 exhibits changes (as indicated with a new semantic version), then NO new
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41 downstream packages should be made for unchanged libraries - instead already
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42 made binary packages for that library version (SemVer) should be retained.
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43
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44 Downstream package version numbers for command line utilities packages are up
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45 to the discretion of packaging maintainers; using gsm-codec-lib tarball release
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46 numbers is acceptable.
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47
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48 Patience, please
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49 ================
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50
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51 Please make downstream package releases *only* from officially published tarball
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Mychaela Falconia <falcon@freecalypso.org>
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52 releases of gsm-codec-lib - please do *not* make packaged builds or "releases"
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Mychaela Falconia <falcon@freecalypso.org>
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53 from our Mercurial repository. Any time we have a new development that is
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54 expected to be useful to downstream end users, we shall make a proper tarball
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55 release, and if there are any changes in the libraries, we shall assign new
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56 semantic versions as appropriate.