g726codec.c

来自「开源的openh323的v1.18.0版,有1.19.0版无法编译过的朋友可以用」· C语言 代码 · 共 527 行 · 第 1/2 页

  PluginCodec_OutputTypeRaw |           // raw output data
  PluginCodec_RTPTypeExplicit,          // dynamic RTP type

  g726_40,                              // text decription
  g726_40,                              // source format
  L16Desc,                              // destination format

  0,                                    // user data

  8000,                                 // samples per second
  40000,                                // raw bits per second
  1000,                                 // nanoseconds per frame
  SAMPLES_PER_FRAME,                    // samples per frame
  5,                                    // bytes per frame
  PREF_FRAMES_PER_PACKET,               // recommended number of frames per packet
  MAX_FRAMES_PER_PACKET,                // maximum number of frames per packe
  PAYLOAD_CODE,                         // IANA RTP payload code
  sdpG726,                              // RTP payload name

  create_codec,                         // create codec function
  destroy_codec,                        // destroy codec
  decoder_40,                           // encode/decode
  NULL,                                 // codec controls

  PluginCodec_H323Codec_nonStandard,    // h323CapabilityType 
  &g726_40_Cap                          // h323CapabilityData
},

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

{
  // encoder 32k
  PLUGIN_CODEC_VERSION,                 // codec API version
  &licenseInfo,                         // license information

  PluginCodec_MediaTypeAudioStreamed |  // audio codec
  (4 << PluginCodec_BitsPerSamplePos) | // bits per sample
  PluginCodec_InputTypeRaw |            // raw input data
  PluginCodec_OutputTypeRaw |           // raw output data
  PluginCodec_RTPTypeExplicit,          // specified RTP type

  g726_32,                              // text decription
  L16Desc,                              // source format
  g726_32,                              // destination format

  0,                                    // user data

  8000,                                 // samples per second
  32000,                                // raw bits per second
  1000,                                 // nanoseconds per frame
  SAMPLES_PER_FRAME,                    // samples per frame
  4,                                    // bytes per frame
  PREF_FRAMES_PER_PACKET,               // recommended number of frames per packet
  MAX_FRAMES_PER_PACKET,                // maximum number of frames per packe
  PAYLOAD_CODE,                         // IANA RTP payload code
  sdpG726,                              // RTP payload name

  create_codec,                         // create codec function
  destroy_codec,                        // destroy codec
  encoder_32,                           // encode/decode
  NULL,                                 // codec controls

  PluginCodec_H323Codec_nonStandard,    // h323CapabilityType 
  &g726_32_Cap                          // h323CapabilityData
},

{ 
  // decoder 32k
  PLUGIN_CODEC_VERSION,                 // codec API version
  &licenseInfo,                         // license information

  PluginCodec_MediaTypeAudioStreamed |  // audio codec
  (4 << PluginCodec_BitsPerSamplePos) | // bits per sample
  PluginCodec_InputTypeRaw |            // raw input data
  PluginCodec_OutputTypeRaw |           // raw output data
  PluginCodec_RTPTypeExplicit,          // dynamic RTP type

  g726_32,                              // text decription
  g726_32,                              // source format
  L16Desc,                              // destination format

  0,                                    // user data

  8000,                                 // samples per second
  32000,                                // raw bits per second
  1000,                                 // nanoseconds per frame
  SAMPLES_PER_FRAME,                    // samples per frame
  4,                                    // bytes per frame
  PREF_FRAMES_PER_PACKET,               // recommended number of frames per packet
  MAX_FRAMES_PER_PACKET,                // maximum number of frames per packe
  PAYLOAD_CODE,                         // IANA RTP payload code
  sdpG726,                              // RTP payload name

  create_codec,                         // create codec function
  destroy_codec,                        // destroy codec
  decoder_32,                           // encode/decode
  NULL,                                 // codec controls

  PluginCodec_H323Codec_nonStandard,    // h323CapabilityType 
  &g726_32_Cap                          // h323CapabilityData
},

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

{
  // encoder 24k
  PLUGIN_CODEC_VERSION,                 // codec API version
  &licenseInfo,                         // license information

  PluginCodec_MediaTypeAudioStreamed |  // audio codec
  (3 << PluginCodec_BitsPerSamplePos) | // bits per sample
  PluginCodec_InputTypeRaw |            // raw input data
  PluginCodec_OutputTypeRaw |           // raw output data
  PluginCodec_RTPTypeExplicit,          // specified RTP type

  g726_24,                              // text decription
  L16Desc,                              // source format
  g726_24,                              // destination format

  0,                                    // user data

  8000,                                 // samples per second
  24000,                                // raw bits per second
  1000,                                 // nanoseconds per frame
  SAMPLES_PER_FRAME,                    // samples per frame
  3,                                    // bytes per frame
  PREF_FRAMES_PER_PACKET,               // recommended number of frames per packet
  MAX_FRAMES_PER_PACKET,                // maximum number of frames per packe
  PAYLOAD_CODE,                         // IANA RTP payload code
  sdpG726,                              // RTP payload name

  create_codec,                         // create codec function
  destroy_codec,                        // destroy codec
  encoder_24,                           // encode/decode
  NULL,                                 // codec controls

  PluginCodec_H323Codec_nonStandard,    // h323CapabilityType 
  &g726_24_Cap                          // h323CapabilityData
},

{ 
  // decoder 24k
  PLUGIN_CODEC_VERSION,                 // codec API version
  &licenseInfo,                         // license information

  PluginCodec_MediaTypeAudioStreamed |  // audio codec
  (3 << PluginCodec_BitsPerSamplePos) | // bits per sample
  PluginCodec_InputTypeRaw |            // raw input data
  PluginCodec_OutputTypeRaw |           // raw output data
  PluginCodec_RTPTypeExplicit,          // dynamic RTP type

  g726_24,                              // text decription
  g726_24,                              // source format
  L16Desc,                              // destination format

  0,                                    // user data

  8000,                                 // samples per second
  24000,                                // raw bits per second
  1000,                                 // nanoseconds per frame
  SAMPLES_PER_FRAME,                    // samples per frame
  3,                                    // bytes per frame
  PREF_FRAMES_PER_PACKET,               // recommended number of frames per packet
  MAX_FRAMES_PER_PACKET,                // maximum number of frames per packe
  PAYLOAD_CODE,                         // IANA RTP payload code
  sdpG726,                              // RTP payload name

  create_codec,                         // create codec function
  destroy_codec,                        // destroy codec
  decoder_24,                           // encode/decode
  NULL,                                 // codec controls

  PluginCodec_H323Codec_nonStandard,    // h323CapabilityType 
  &g726_24_Cap                          // h323CapabilityData
},

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

{
  // encoder 16k
  PLUGIN_CODEC_VERSION,                 // codec API version
  &licenseInfo,                         // license information

  PluginCodec_MediaTypeAudioStreamed |  // audio codec
  (2 << PluginCodec_BitsPerSamplePos) | // bits per sample
  PluginCodec_InputTypeRaw |            // raw input data
  PluginCodec_OutputTypeRaw |           // raw output data
  PluginCodec_RTPTypeExplicit,          // specified RTP type

  g726_16,                              // text decription
  L16Desc,                              // source format
  g726_16,                              // destination format

  0,                                    // user data

  8000,                                 // samples per second
  16000,                                // raw bits per second
  1000,                                 // nanoseconds per frame
  SAMPLES_PER_FRAME,                    // samples per frame
  2,                                    // bytes per frame
  PREF_FRAMES_PER_PACKET,               // recommended number of frames per packet
  MAX_FRAMES_PER_PACKET,                // maximum number of frames per packe
  PAYLOAD_CODE,                         // IANA RTP payload code
  sdpG726,                              // RTP payload name

  create_codec,                         // create codec function
  destroy_codec,                        // destroy codec
  encoder_16,                           // encode/decode
  NULL,                                 // codec controls

  PluginCodec_H323Codec_nonStandard,    // h323CapabilityType 
  &g726_16_Cap                          // h323CapabilityData
},

{ 
  // decoder 16k
  PLUGIN_CODEC_VERSION,                 // codec API version
  &licenseInfo,                         // license information

  PluginCodec_MediaTypeAudioStreamed |  // audio codec
  (2 << PluginCodec_BitsPerSamplePos) | // bits per sample
  PluginCodec_InputTypeRaw |            // raw input data
  PluginCodec_OutputTypeRaw |           // raw output data
  PluginCodec_RTPTypeExplicit,          // dynamic RTP type

  g726_16,                              // text decription
  g726_16,                              // source format
  L16Desc,                              // destination format

  0,                                    // user data

  8000,                                 // samples per second
  16000,                                // raw bits per second
  1000,                                 // nanoseconds per frame
  SAMPLES_PER_FRAME,                    // samples per frame
  2,                                    // bytes per frame
  PREF_FRAMES_PER_PACKET,               // recommended number of frames per packet
  MAX_FRAMES_PER_PACKET,                // maximum number of frames per packe
  PAYLOAD_CODE,                         // IANA RTP payload code
  sdpG726,                              // RTP payload name

  create_codec,                         // create codec function
  destroy_codec,                        // destroy codec
  decoder_16,                           // encode/decode
  NULL,                                 // codec controls

  PluginCodec_H323Codec_nonStandard,    // h323CapabilityType 
  &g726_16_Cap                          // h323CapabilityData
},


};

#define NUM_DEFNS   (sizeof(g726CodecDefn) / sizeof(struct PluginCodec_Definition))

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

PLUGIN_CODEC_DLL_API struct PluginCodec_Definition * PLUGIN_CODEC_GET_CODEC_FN(unsigned * count, unsigned version)
{
  *count = NUM_DEFNS;
  return g726CodecDefn;
}