rockbox/lib/rbcodec/codecs/libopus/README.rockbox
William Wilgus 14c6bb798d Sync opus codec to upstream git
Change-Id: I0cfcc0005c4ad7bfbb1aaf454188ce70fb043dc1
2021-04-23 14:23:04 +00:00

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Libraries: Opus (snapshot) / Opus-tools (snapshot) / libogg 1.3
Imported: January 1st, 2019
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
Celt:
* changed #if FIXED_POINT to #ifdef FIXED_POINT in bands.c
* changed #elif OPUS_ARM_INLINE_EDSP to #elif defined (OPUS_ARM_INLINE_EDSP)
* add #define ABS(a)(((a) < 0) ? - (a) :(a)) to mathops.h
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.h
Ogg:
* copied libogg/src/framing.c to lib/rbcodec/codecs/libopus/ogg
* copied libogg/include/ogg.h to lib/rbcodec/codecs/libopus/ogg
* copied libogg/include/crctable.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
* added our own os_types.h
* changed #include <ogg/os_types.h> to #include "os_types.h" in ogg.h
* changed #include <ogg/os_types.h> to #include "os_types.h" in crctable.h