speexcodec.cxx

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{ \
  NULL, \
  EQUIVALENCE_COUNTRY_CODE, EQUIVALENCE_EXTENSION_CODE, EQUIVALENCE_MANUFACTURER_CODE, \
  (const unsigned char *)speex##suffix##Str, sizeof(speex##suffix##Str)-1, \
  NULL \
}; \
CREATE_IETFSPEEX_CAP_DATA(desc, suffix, ordinal, 8000) \


#define DECLARE_NARROW_SPEEX_CODEC(prefix, suffix, ordinal, bitsPerFrame) \
/* Original OpenH323 capability */ \
{ \
  /* encoder */ \
  PLUGIN_CODEC_VERSION,               /* codec API version */ \
  &licenseInfo,                       /* license information */ \
  PluginCodec_MediaTypeAudio |        /* audio codec */ \
  PluginCodec_InputTypeRaw |          /* raw input data */ \
  PluginCodec_OutputTypeRaw |         /* raw output data */ \
  PluginCodec_RTPTypeShared |         /* share RTP code */ \
  PluginCodec_RTPTypeDynamic |        /* dynamic RTP type */ \
  PluginCodec_DecodeSilence,          /* can encode silence frames */ \
  prefix##suffix,                     /* text decription */ \
  L16Desc,                            /* source format */ \
  prefix##suffix,                     /* destination format */ \
  (void *)ordinal,                    /* user data */ \
  8000,                               /* samples per second */ \
  bitsPerFrame*50,                    /* raw bits per second */ \
  NARROW_NS_PER_FRAME,                /* nanoseconds per frame */ \
  NARROW_SAMPLES_PER_FRAME,           /* samples per frame */ \
  (bitsPerFrame + 7) / 8,             /* bytes per frame */ \
  1,                                  /* recommended number of frames per packet */ \
  1,                                  /* maximum number of frames per packet  */ \
  0,                                  /* IANA RTP payload code */ \
  sdpSpeex,                           /* RTP payload name */ \
  create_encoder,                     /* create codec function */ \
  destroy_encoder,                    /* destroy codec */ \
  codec_encoder,                      /* encode/decode */ \
  NULL,                               /* codec controls */ \
  PluginCodec_H323Codec_nonStandard,  /* h323CapabilityType */ \
  &prefix##suffix##Cap                /* h323CapabilityData */ \
}, \
{  \
  /* decoder */ \
  PLUGIN_CODEC_VERSION,               /* codec API version */ \
  &licenseInfo,                       /* license information */ \
  PluginCodec_MediaTypeAudio |        /* audio codec */ \
  PluginCodec_InputTypeRaw |          /* raw input data */ \
  PluginCodec_OutputTypeRaw |         /* raw output data */ \
  PluginCodec_RTPTypeShared |         /* share RTP code */ \
  PluginCodec_RTPTypeDynamic |        /* dynamic RTP type */ \
  PluginCodec_DecodeSilence,          /* can encode silence frames */ \
  prefix##suffix,                     /* text decription */ \
  prefix##suffix,                     /* source format */ \
  L16Desc,                            /* destination format */ \
  (void *)ordinal,                    /* user data */ \
  8000,                               /* samples per second */ \
  bitsPerFrame*50,                    /* raw bits per second */ \
  NARROW_NS_PER_FRAME,                /* nanoseconds per frame */ \
  NARROW_SAMPLES_PER_FRAME,           /* samples per frame */ \
  (bitsPerFrame+7)/8,                 /* bytes per frame */ \
  1,                                  /* recommended number of frames per packet */ \
  1,                                  /* maximum number of frames per packet */ \
  0,                                  /* IANA RTP payload code */ \
  sdpSpeex,                           /* RTP payload name */ \
  create_decoder,                     /* create codec function */ \
  destroy_decoder,                    /* destroy codec */ \
  codec_decoder,                      /* encode/decode */ \
  NULL,                               /* codec controls */ \
  PluginCodec_H323Codec_nonStandard,  /* h323CapabilityType */ \
  &prefix##suffix##Cap                /* h323CapabilityData */ \
} \

CREATE_NARROW_SPEEX_CAP_DATA(Narrow-5.95k, Narrow5k95,  2)
CREATE_NARROW_SPEEX_CAP_DATA(Narrow-8k,    Narrow8k,    3)
CREATE_NARROW_SPEEX_CAP_DATA(Narrow-11k,   Narrow11k,   4)
CREATE_NARROW_SPEEX_CAP_DATA(Narrow-15k,   Narrow15k,   5)
CREATE_NARROW_SPEEX_CAP_DATA(Narrow-18.2k, Narrow18k2,  6)
CREATE_NARROW_SPEEX_CAP_DATA(Narrow-24.6k, Narrow24k6,  7)

////////////////////////////////////////////////////////////////////////////////////////////////

#define CREATE_WIDE_SPEEX_CAP_DATA(desc, suffix, ordinal) \
static const char speex##suffix[] = "Speex" #desc; \
static const char speex##suffix##Str[] = "Speex bs4 Wide" #ordinal; \
static struct PluginCodec_H323NonStandardCodecData speex##suffix##Cap = \
{ \
  NULL, \
  EQUIVALENCE_COUNTRY_CODE, EQUIVALENCE_EXTENSION_CODE, EQUIVALENCE_MANUFACTURER_CODE, \
  (const unsigned char *)speex##suffix##Str, sizeof(speex##suffix##Str)-1, \
  NULL \
}; \
CREATE_IETFSPEEX_CAP_DATA(desc, suffix, ordinal, 16000)

#define DECLARE_WIDE_SPEEX_CODEC(prefix, suffix, ordinal, bitsPerFrame) \
/* Original OpenH323 capability */ \
{ \
  /* encoder */ \
  PLUGIN_CODEC_VERSION,               /* codec API version */ \
  &licenseInfo,                       /* license information */ \
  PluginCodec_MediaTypeAudio |        /* audio codec */ \
  PluginCodec_InputTypeRaw |          /* raw input data */ \
  PluginCodec_OutputTypeRaw |         /* raw output data */ \
  PluginCodec_RTPTypeShared |         /* share RTP code */ \
  PluginCodec_RTPTypeDynamic |        /* dynamic RTP type */ \
  PluginCodec_DecodeSilence,          /* can encode silence frames */ \
  prefix##suffix,                     /* text decription */ \
  L16Desc,                            /* source format */ \
  prefix##suffix,                     /* destination format */ \
  (void *)ordinal,                    /* user data */ \
  16000,                              /* samples per second */ \
  bitsPerFrame*50,                    /* raw bits per second */ \
  WIDE_NS_PER_FRAME,                  /* nanoseconds per frame */ \
  WIDE_SAMPLES_PER_FRAME,             /* samples per frame */ \
  (bitsPerFrame+7)/8,                 /* bytes per frame */ \
  1,                                  /* recommended number of frames per packet */ \
  1,                                  /* maximum number of frames per packet  */ \
  0,                                  /* IANA RTP payload code */ \
  sdpSpeex,                           /* RTP payload name */ \
  create_encoder,                     /* create codec function */ \
  destroy_encoder,                    /* destroy codec */ \
  codec_encoder,                      /* encode/decode */ \
  NULL,                               /* codec controls */ \
  PluginCodec_H323Codec_nonStandard,  /* h323CapabilityType */ \
  &prefix##suffix##Cap                /* h323CapabilityData */ \
}, \
{  \
  /* decoder */ \
  PLUGIN_CODEC_VERSION,               /* codec API version */ \
  &licenseInfo,                       /* license information */ \
  PluginCodec_MediaTypeAudio |        /* audio codec */ \
  PluginCodec_InputTypeRaw |          /* raw input data */ \
  PluginCodec_OutputTypeRaw |         /* raw output data */ \
  PluginCodec_RTPTypeShared |         /* share RTP code */ \
  PluginCodec_RTPTypeDynamic |        /* dynamic RTP type */ \
  PluginCodec_DecodeSilence,          /* can encode silence frames */ \
  prefix##suffix,                     /* text decription */ \
  prefix##suffix,                     /* source format */ \
  L16Desc,                            /* destination format */ \
  (void *)ordinal,                    /* user data */ \
  16000,                              /* samples per second */ \
  bitsPerFrame*50,                    /* raw bits per second */ \
  WIDE_NS_PER_FRAME,                  /* nanoseconds per frame */ \
  WIDE_SAMPLES_PER_FRAME,             /* samples per frame */ \
  (bitsPerFrame+7)/8,                 /* bytes per frame */ \
  1,                                  /* recommended number of frames per packet */ \
  1,                                  /* maximum number of frames per packet */ \
  0,                                  /* IANA RTP payload code */ \
  sdpSpeex,                           /* RTP payload name */ \
  create_decoder,                     /* create codec function */ \
  destroy_decoder,                    /* destroy codec */ \
  codec_decoder,                      /* encode/decode */ \
  NULL,                               /* codec controls */ \
  PluginCodec_H323Codec_nonStandard,  /* h323CapabilityType */ \
  &prefix##suffix##Cap                /* h323CapabilityData */ \
} \

CREATE_WIDE_SPEEX_CAP_DATA(Wide-11.55k, Wide11k5,  2)
CREATE_WIDE_SPEEX_CAP_DATA(Wide-17.6k,  Wide17k6,  3)
CREATE_WIDE_SPEEX_CAP_DATA(Wide-28.6k,  Wide28k6,  4)

////////////////////////////////////////////////////////////////////////////////////////////////

#define CREATE_NARROW_SPEEXW_CAP_DATA(desc, suffix, ordinal) \
static const char speexW##suffix[] = "SpeexW" #desc; \
static struct PluginCodec_H323NonStandardCodecData speexW##suffix##Cap = \
{ \
  NULL, \
  MICROSOFT_COUNTRY_CODE, MICROSOFT_T35EXTENSION, MICROSOFT_MANUFACTURER, \
  speexW##suffix##Hdr, sizeof(speexW##suffix##Hdr), \
  NULL \
}; \

#define DECLARE_NARROW_SPEEXW_CODEC(suffix, ordinal, bitsPerFrame) \
/* SpeexW OpenH323 capability */ \
{ \
  /* encoder */ \
  PLUGIN_CODEC_VERSION,               /* codec API version */ \
  &licenseInfo,                       /* license information */ \
  PluginCodec_MediaTypeAudio |        /* audio codec */ \
  PluginCodec_InputTypeRaw |          /* raw input data */ \
  PluginCodec_OutputTypeRaw |         /* raw output data */ \
  PluginCodec_RTPTypeShared |         /* share RTP code */ \
  PluginCodec_RTPTypeDynamic |        /* dynamic RTP type */ \
  PluginCodec_DecodeSilence,          /* can encode silence frames */ \
  speexW##suffix,                     /* text decription */ \
  L16Desc,                            /* source format */ \
  speexW##suffix,                     /* destination format */ \
  (void *)ordinal,                    /* user data */ \
  8000,                               /* samples per second */ \
  bitsPerFrame*50,                    /* raw bits per second */ \
  NARROW_NS_PER_FRAME,                /* nanoseconds per frame */ \
  NARROW_SAMPLES_PER_FRAME,           /* samples per frame */ \
  (bitsPerFrame+7)/8,                 /* bytes per frame */ \
  1,                                  /* recommended number of frames per packet */ \
  1,                                  /* maximum number of frames per packet  */ \
  0,                                  /* IANA RTP payload code */ \
  NULL,                               /* RTP payload name */ \
  create_encoder,                     /* create codec function */ \
  destroy_encoder,                    /* destroy codec */ \
  codec_encoder,                      /* encode/decode */ \
  NULL,                               /* codec controls */ \
  PluginCodec_H323Codec_nonStandard,  /* h323CapabilityType */ \
  &speexW##suffix##Cap                /* h323CapabilityData */ \
}, \
{  \
  /* decoder */ \
  PLUGIN_CODEC_VERSION,               /* codec API version */ \
  &licenseInfo,                       /* license information */ \
  PluginCodec_MediaTypeAudio |        /* audio codec */ \
  PluginCodec_InputTypeRaw |          /* raw input data */ \
  PluginCodec_OutputTypeRaw |         /* raw output data */ \
  PluginCodec_RTPTypeShared |         /* share RTP code */ \
  PluginCodec_RTPTypeDynamic,         /* dynamic RTP type */ \
  speexW##suffix,                     /* text decription */ \
  speexW##suffix,                     /* source format */ \
  L16Desc,                            /* destination format */ \
  (void *)ordinal,                    /* user data */ \
  8000,                               /* samples per second */ \
  bitsPerFrame*50,                    /* raw bits per second */ \
  NARROW_NS_PER_FRAME,                /* nanoseconds per frame */ \
  NARROW_SAMPLES_PER_FRAME,           /* samples per frame */ \
  (bitsPerFrame+7)/8,                 /* bytes per frame */ \
  1,                                  /* recommended number of frames per packet */ \
  1,                                  /* maximum number of frames per packet */ \
  0,                                  /* IANA RTP payload code */ \
  NULL,                               /* RTP payload name */ \
  create_decoder,                     /* create codec function */ \
  destroy_decoder,                    /* destroy codec */ \
  codec_decoder,                      /* encode/decode */ \
  NULL,                               /* codec controls */ \
  PluginCodec_H323Codec_nonStandard,  /* h323CapabilityType */ \
  &speexW##suffix##Cap                /* h323CapabilityData */ \
} \

CREATE_NARROW_SPEEXW_CAP_DATA(Narrow-8k,    Narrow8k,    3)

////////////////////////////////////////////////////////////////////////////////////////////////

#define NARROW_BITSPERFRAME_MODE2    119             // 5950
#define NARROW_BITSPERFRAME_MODE3    160             // 8000
#define NARROW_BITSPERFRAME_MODE4    220             // 11000 
#define NARROW_BITSPERFRAME_MODE5    300             // 15000
#define NARROW_BITSPERFRAME_MODE6    364             // 18200
#define NARROW_BITSPERFRAME_MODE7    492             // 26400

#define WIDE_BITSPERFRAME_MODE2    (NARROW_BITSPERFRAME_MODE2 + 112)     // 11550
#define WIDE_BITSPERFRAME_MODE3    (NARROW_BITSPERFRAME_MODE3 + 192)     // 17600
#define WIDE_BITSPERFRAME_MODE4    (NARROW_BITSPERFRAME_MODE4 + 352)     // 28600

static struct PluginCodec_Definition ver1SpeexCodecDefn[] = {
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow5k95,  2,   NARROW_BITSPERFRAME_MODE2),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow8k,    3,   NARROW_BITSPERFRAME_MODE3),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow11k,   4,   NARROW_BITSPERFRAME_MODE4),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow15k,   5,   NARROW_BITSPERFRAME_MODE5),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow18k2,  6,   NARROW_BITSPERFRAME_MODE6),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow24k6,  7,   NARROW_BITSPERFRAME_MODE7),

  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow5k95,  2,   NARROW_BITSPERFRAME_MODE2),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow8k,    3,   NARROW_BITSPERFRAME_MODE3),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow11k,   4,   NARROW_BITSPERFRAME_MODE4),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow15k,   5,   NARROW_BITSPERFRAME_MODE5),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow18k2,  6,   NARROW_BITSPERFRAME_MODE6),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow24k6,  7,   NARROW_BITSPERFRAME_MODE7),

  //DECLARE_SPEEXW_CODEC(Narrow5k95,  2),   // does not work
  DECLARE_NARROW_SPEEXW_CODEC(Narrow8k,   3,   NARROW_BITSPERFRAME_MODE3),
  //DECLARE_SPEEX_CODEC(Narrow11k,   4),    // does not work
  //DECLARE_SPEEX_CODEC(Narrow15k,   5),    // does not work
  //DECLARE_SPEEX_CODEC(Narrow18k2,  6),    // does not work
  //DECLARE_SPEEX_CODEC(Narrow24k6,  7)     // does not work
};

#define NUM_VER1_DEFNS   (sizeof(ver1SpeexCodecDefn) / sizeof(struct PluginCodec_Definition))

static struct PluginCodec_Definition ver2SpeexCodecDefn[] = {
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow5k95,  2,   NARROW_BITSPERFRAME_MODE2),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow8k,    3,   NARROW_BITSPERFRAME_MODE3),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow11k,   4,   NARROW_BITSPERFRAME_MODE4),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow15k,   5,   NARROW_BITSPERFRAME_MODE5),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow18k2,  6,   NARROW_BITSPERFRAME_MODE6),
  DECLARE_NARROW_SPEEX_CODEC(speex, Narrow24k6,  7,   NARROW_BITSPERFRAME_MODE7),

  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow5k95,  2,   NARROW_BITSPERFRAME_MODE2),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow8k,    3,   NARROW_BITSPERFRAME_MODE3),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow11k,   4,   NARROW_BITSPERFRAME_MODE4),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow15k,   5,   NARROW_BITSPERFRAME_MODE5),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow18k2,  6,   NARROW_BITSPERFRAME_MODE6),
  DECLARE_NARROW_SPEEX_CODEC(ietfSpeex, Narrow24k6,  7,   NARROW_BITSPERFRAME_MODE7),

  //DECLARE_SPEEXW_CODEC(Narrow5k95,  2),   // does not work
  DECLARE_NARROW_SPEEXW_CODEC(Narrow8k,    3,  NARROW_BITSPERFRAME_MODE3),
  //DECLARE_SPEEX_CODEC(Narrow11k,   4),    // does not work
  //DECLARE_SPEEX_CODEC(Narrow15k,   5),    // does not work
  //DECLARE_SPEEX_CODEC(Narrow18k2,  6),    // does not work
  //DECLARE_SPEEX_CODEC(Narrow24k6,  7)     // does not work

  DECLARE_WIDE_SPEEX_CODEC(speex, Wide11k5,   2,  WIDE_BITSPERFRAME_MODE2),
  DECLARE_WIDE_SPEEX_CODEC(speex, Wide17k6,   3,  WIDE_BITSPERFRAME_MODE3),
  DECLARE_WIDE_SPEEX_CODEC(speex, Wide28k6,   4,  WIDE_BITSPERFRAME_MODE4),

  DECLARE_WIDE_SPEEX_CODEC(ietfSpeex, Wide11k5,   2,  WIDE_BITSPERFRAME_MODE2),
  DECLARE_WIDE_SPEEX_CODEC(ietfSpeex, Wide17k6,   3,  WIDE_BITSPERFRAME_MODE3),
  DECLARE_WIDE_SPEEX_CODEC(ietfSpeex, Wide28k6,   4,  WIDE_BITSPERFRAME_MODE4),
};

#define NUM_VER2_DEFNS   (sizeof(ver2SpeexCodecDefn) / sizeof(struct PluginCodec_Definition))

/////////////////////////////////////////////////////////////////////////////

extern "C" {

PLUGIN_CODEC_DLL_API struct PluginCodec_Definition * PLUGIN_CODEC_GET_CODEC_FN(unsigned * count, unsigned version)
{
  if (version == 1) {
    *count = NUM_VER1_DEFNS;
    return ver1SpeexCodecDefn;
  }
  else
  {
    *count = NUM_VER2_DEFNS;
    return ver2SpeexCodecDefn;
  }
}

};