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foxbox/lib/rbcodec/codecs/libopus
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Frederik M J Vestre 1b8e3801b2 Initial opus codec support 
Synchronised with opus repo on github (https://github.com/freqmod/rockbox-opus)

Status:
* Seeking ported from speex, but fails on some cases (e.g. seek to granule 0)
* ReplayGain parsing needs to be reworked, we do vorbis-style replaygain now.
  http://wiki.xiph.org/OggOpus#Comment_Header explicitly forbids these in
  favour of R128_TRACK_GAIN tag.
* No optimisation yet, source files still nearly identical to opus upstream
* Multi-stream opus files may not be parsed correctly

Change-Id: Ia66f1027dc1d288083e3c57b2816700078376f9a
Reviewed-on: http://gerrit.rockbox.org/300
Reviewed-by: Bertrik Sikken <bertrik@sikken.nl>
Tested-by: Bertrik Sikken <bertrik@sikken.nl>
2012-09-20 20:47:44 +02:00
..
celt Initial opus codec support 2012-09-20 20:47:44 +02:00
ogg Initial opus codec support 2012-09-20 20:47:44 +02:00
silk Initial opus codec support 2012-09-20 20:47:44 +02:00
libopus.make Initial opus codec support 2012-09-20 20:47:44 +02:00
opus.h Initial opus codec support 2012-09-20 20:47:44 +02:00
opus_config.h Initial opus codec support 2012-09-20 20:47:44 +02:00
opus_custom.h Initial opus codec support 2012-09-20 20:47:44 +02:00
opus_decoder.c Initial opus codec support 2012-09-20 20:47:44 +02:00
opus_defines.h Initial opus codec support 2012-09-20 20:47:44 +02:00
opus_header.c Initial opus codec support 2012-09-20 20:47:44 +02:00
opus_header.h Initial opus codec support 2012-09-20 20:47:44 +02:00
opus_private.h Initial opus codec support 2012-09-20 20:47:44 +02:00
opus_types.h Initial opus codec support 2012-09-20 20:47:44 +02:00
README.rockbox Initial opus codec support 2012-09-20 20:47:44 +02:00
SOURCES Initial opus codec support 2012-09-20 20:47:44 +02:00

README.rockbox 

Libraries:  Opus (snapshot) / Opus-tools (snapshot) / libogg 1.3
Imported:   September 15th, 2012

Steps taken to adapt original opus/opus-tool/ogg source files to rockbox
(useful when for example syncing a new snapshot)

Opus:
* copied .c/.h files from opus/src lib/rbcodec/codecs/libopus
* copied .h files from opus/include to lib/rbcodec/codecs/libopus
* copied .c/.h files from opus/celt to lib/rbcodec/codecs/libopus/celt
* copied .c/.h files from opus/silk to lib/rbcodec/codecs/libopus/silk
* renamed opus config.h file to opus_config.h and replaced #include "config.h",
  for example
find . -name "*.h" -print | xargs sed -i 's/include "config.h"/include "opus_config.h"/g'
find . -name "*.c" -print | xargs sed -i 's/include "config.h"/include "opus_config.h"/g'

Opus-tools:
* copied src/opus_header.h and src/opus_header.c to lib/rbcodec/codecs/libopus
* changed #include <ogg/ogg.h> to #include "ogg/ogg.h" in opus_header.c

Ogg:
* copied libogg/src/framing.c to lib/rbcodec/codecs/libopus/ogg
* copied libogg/include/ogg.h to lib/rbcodec/codecs/libopus/ogg
* changed #include "ogg/ogg.h" to #include "ogg.h" in framing.c
* added os_config.h to lib/rbcodec/codecs/libopus/ogg