diff options
| author | Marcus Müller <mmueller@gnuradio.org> | 2019-08-07 21:45:12 +0200 |
|---|---|---|
| committer | Marcus Müller <marcus@hostalia.de> | 2019-08-09 23:04:28 +0200 |
| commit | f7bbf2c1d8d780294f3e016aff239ca35eb6516e (patch) | |
| tree | e09ab6112e02b2215b2d59ac24d3d6ea2edac745 /gr-vocoder/include/gnuradio/vocoder | |
| parent | 78431dc6941e3acc67c858277dfe4a0ed583643c (diff) | |
Tree: clang-format without the include sorting
Diffstat (limited to 'gr-vocoder/include/gnuradio/vocoder')
21 files changed, 513 insertions, 505 deletions
diff --git a/gr-vocoder/include/gnuradio/vocoder/alaw_decode_bs.h b/gr-vocoder/include/gnuradio/vocoder/alaw_decode_bs.h index d8345e034b..b16088db0d 100644 --- a/gr-vocoder/include/gnuradio/vocoder/alaw_decode_bs.h +++ b/gr-vocoder/include/gnuradio/vocoder/alaw_decode_bs.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs alaw audio decoding. + * \ingroup audio_blk + */ +class VOCODER_API alaw_decode_bs : virtual public sync_block +{ +public: + // gr::vocoder::alaw_decode_bs::sptr + typedef boost::shared_ptr<alaw_decode_bs> sptr; /*! - * \brief This block performs alaw audio decoding. - * \ingroup audio_blk + * \brief Make alaw decoder block. */ - class VOCODER_API alaw_decode_bs : virtual public sync_block - { - public: - // gr::vocoder::alaw_decode_bs::sptr - typedef boost::shared_ptr<alaw_decode_bs> sptr; - - /*! - * \brief Make alaw decoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_ALAW_DECODE_BS_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/alaw_encode_sb.h b/gr-vocoder/include/gnuradio/vocoder/alaw_encode_sb.h index 09f4221f93..045cf49cbe 100644 --- a/gr-vocoder/include/gnuradio/vocoder/alaw_encode_sb.h +++ b/gr-vocoder/include/gnuradio/vocoder/alaw_encode_sb.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs g.711 alaw audio encoding. + * \ingroup audio_blk + */ +class VOCODER_API alaw_encode_sb : virtual public sync_block +{ +public: + // gr::vocoder::alaw_encode_sb::sptr + typedef boost::shared_ptr<alaw_encode_sb> sptr; /*! - * \brief This block performs g.711 alaw audio encoding. - * \ingroup audio_blk + * \brief Make alaw encoder block. */ - class VOCODER_API alaw_encode_sb : virtual public sync_block - { - public: - // gr::vocoder::alaw_encode_sb::sptr - typedef boost::shared_ptr<alaw_encode_sb> sptr; - - /*! - * \brief Make alaw encoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_ALAW_ENCODE_SB_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/api.h b/gr-vocoder/include/gnuradio/vocoder/api.h index 425e397b9d..6b35e2e088 100644 --- a/gr-vocoder/include/gnuradio/vocoder/api.h +++ b/gr-vocoder/include/gnuradio/vocoder/api.h @@ -25,9 +25,9 @@ #include <gnuradio/attributes.h> #ifdef gnuradio_vocoder_EXPORTS -# define VOCODER_API __GR_ATTR_EXPORT +#define VOCODER_API __GR_ATTR_EXPORT #else -# define VOCODER_API __GR_ATTR_IMPORT +#define VOCODER_API __GR_ATTR_IMPORT #endif #endif /* INCLUDED_VOCODER_API_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/codec2.h b/gr-vocoder/include/gnuradio/vocoder/codec2.h index cca0fc46be..3b0f9c2491 100644 --- a/gr-vocoder/include/gnuradio/vocoder/codec2.h +++ b/gr-vocoder/include/gnuradio/vocoder/codec2.h @@ -30,37 +30,36 @@ extern "C" { } namespace gr { - namespace vocoder { +namespace vocoder { - class VOCODER_API codec2 { - public: - - enum bit_rate { - MODE_3200 = CODEC2_MODE_3200, - MODE_2400 = CODEC2_MODE_2400, - MODE_1600 = CODEC2_MODE_1600, - MODE_1400 = CODEC2_MODE_1400, - MODE_1300 = CODEC2_MODE_1300, - MODE_1200 = CODEC2_MODE_1200, +class VOCODER_API codec2 +{ +public: + enum bit_rate { + MODE_3200 = CODEC2_MODE_3200, + MODE_2400 = CODEC2_MODE_2400, + MODE_1600 = CODEC2_MODE_1600, + MODE_1400 = CODEC2_MODE_1400, + MODE_1300 = CODEC2_MODE_1300, + MODE_1200 = CODEC2_MODE_1200, #ifdef CODEC2_MODE_700 - MODE_700 = CODEC2_MODE_700, + MODE_700 = CODEC2_MODE_700, #endif #ifdef CODEC2_MODE_700B - MODE_700B = CODEC2_MODE_700B, + MODE_700B = CODEC2_MODE_700B, #endif #ifdef CODEC2_MODE_700C - MODE_700C = CODEC2_MODE_700C, + MODE_700C = CODEC2_MODE_700C, #endif #ifdef CODEC2_MODE_WB - MODE_WB = CODEC2_MODE_WB, + MODE_WB = CODEC2_MODE_WB, #endif - }; - - private: - }; - } /* namespace vocoder */ +private: +}; + +} /* namespace vocoder */ } /* namespace gr */ #endif /* _VOCODER_CODEC2_H_ */ diff --git a/gr-vocoder/include/gnuradio/vocoder/codec2_decode_ps.h b/gr-vocoder/include/gnuradio/vocoder/codec2_decode_ps.h index 49add0f9ee..38b6344fd6 100644 --- a/gr-vocoder/include/gnuradio/vocoder/codec2_decode_ps.h +++ b/gr-vocoder/include/gnuradio/vocoder/codec2_decode_ps.h @@ -28,33 +28,33 @@ #include <gnuradio/sync_interpolator.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief CODEC2 Vocoder Decoder + * \ingroup audio_blk + * + * Input: A vector of unpacked bits forming a Codec2 frame. + * + * Output: 16-bit short values of an audio signal with sampling rate 8 kHz. + * + * See also gr::vocoder::codec2_encode_sp. + */ +class VOCODER_API codec2_decode_ps : virtual public sync_interpolator +{ +public: + // gr::vocoder::codec2_decode_ps::sptr + typedef boost::shared_ptr<codec2_decode_ps> sptr; /*! - * \brief CODEC2 Vocoder Decoder - * \ingroup audio_blk - * - * Input: A vector of unpacked bits forming a Codec2 frame. + * \brief Make Codec2 decoder block. * - * Output: 16-bit short values of an audio signal with sampling rate 8 kHz. - * - * See also gr::vocoder::codec2_encode_sp. + * \param mode Encoded bit rate/mode */ - class VOCODER_API codec2_decode_ps : virtual public sync_interpolator - { - public: - // gr::vocoder::codec2_decode_ps::sptr - typedef boost::shared_ptr<codec2_decode_ps> sptr; - - /*! - * \brief Make Codec2 decoder block. - * - * \param mode Encoded bit rate/mode - */ - static sptr make(int mode=codec2::MODE_2400); - }; + static sptr make(int mode = codec2::MODE_2400); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_CODEC2_DECODE_PS_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/codec2_encode_sp.h b/gr-vocoder/include/gnuradio/vocoder/codec2_encode_sp.h index 12ec00c687..b1b800c16a 100644 --- a/gr-vocoder/include/gnuradio/vocoder/codec2_encode_sp.h +++ b/gr-vocoder/include/gnuradio/vocoder/codec2_encode_sp.h @@ -28,34 +28,34 @@ #include <gnuradio/sync_decimator.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief CODEC2 Vocoder Encoder + * \ingroup audio_blk + * + * Input: Speech (audio) signal as 16-bit shorts, sampling rate 8 kHz. + * + * Output: Vector of unpacked bits, forming one Codec2 frame, per 160 + * input samples (in 2400 and 3200 bps modes) or per 320 input + * samples (in 1200, 1300, 1400 and 1600 bps modes). + * + */ +class VOCODER_API codec2_encode_sp : virtual public sync_decimator +{ +public: + // gr::vocoder::codec2_encode_sp::sptr + typedef boost::shared_ptr<codec2_encode_sp> sptr; /*! - * \brief CODEC2 Vocoder Encoder - * \ingroup audio_blk - * - * Input: Speech (audio) signal as 16-bit shorts, sampling rate 8 kHz. - * - * Output: Vector of unpacked bits, forming one Codec2 frame, per 160 - * input samples (in 2400 and 3200 bps modes) or per 320 input - * samples (in 1200, 1300, 1400 and 1600 bps modes). + * \brief Make Codec2 encoder block. * + * \param mode Encoded bit rate/mode */ - class VOCODER_API codec2_encode_sp : virtual public sync_decimator - { - public: - // gr::vocoder::codec2_encode_sp::sptr - typedef boost::shared_ptr<codec2_encode_sp> sptr; - - /*! - * \brief Make Codec2 encoder block. - * - * \param mode Encoded bit rate/mode - */ - static sptr make(int mode=codec2::MODE_2400); - }; + static sptr make(int mode = codec2::MODE_2400); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_CODEC2_ENCODE_SP_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/cvsd_decode_bs.h b/gr-vocoder/include/gnuradio/vocoder/cvsd_decode_bs.h index 53addc58bf..9b4e82296f 100644 --- a/gr-vocoder/include/gnuradio/vocoder/cvsd_decode_bs.h +++ b/gr-vocoder/include/gnuradio/vocoder/cvsd_decode_bs.h @@ -27,109 +27,113 @@ #include <gnuradio/sync_interpolator.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs CVSD audio decoding. Its design and + * implementation is modeled after the CVSD encoder/decoder + * specifications defined in the Bluetooth standard. + * \ingroup audio_blk + * + * \details + * CVSD is a method for encoding speech that seeks to reduce the + * bandwidth required for digital voice transmission. CVSD takes + * advantage of strong correlation between samples, quantizing the + * difference in amplitude between two consecutive samples. This + * difference requires fewer quantization levels as compared to + * other methods that quantize the actual amplitude level, + * reducing the bandwidth. CVSD employs a two level quantizer + * (one bit) and an adaptive algorithm that allows for continuous + * step size adjustment. + * + * The coder can represent low amplitude signals with accuracy + * without sacrificing performance on large amplitude signals, a + * trade off that occurs in some non-adaptive modulations. + * + * The CVSD decoder effectively provides 1-to-8 decompression. + * More specifically, for each incoming input bit, the decoder + * outputs one audio sample. If the input is a "1" bit, the + * internal reference is increased appropriately and then + * outputted as the next estimated audio sample. If the input is + * a "0" bit, the internal reference is decreased appropriately + * and then likewise outputted as the next estimated audio sample. + * Grouping 8 input bits together, the encoder essentially + * produces 8 output audio samples for everyone one input byte. + * + * This decoder requires that output audio samples are 2-byte + * short signed integers. The result bandwidth conversion, + * therefore, is 1 byte of encoded audio data to 16 output bytes + * of raw audio data. + * + * The CVSD decoder module must be post-fixed by a down-converter + * to under-sample the audio data after decoding. The Bluetooth + * standard specifically calls for a 8-to-1 decimating + * down-converter. This is required so that so that output + * sampling rate equals the original input sampling rate present + * before the encoder. In all cases, the output down-converter + * rate must be the inverse of the input up-converter rate before + * the CVSD encoder. + * + * References: + * + * 1. Continuously Variable Slope Delta Modulation (CVSD) A Tutorial, + * Available: + * http://www.eetkorea.com/ARTICLES/2003AUG/A/2003AUG29_NTEK_RFD_AN02.PDF. + * + * 2. Specification of The Bluetooth System + * Available: http://grouper.ieee.org/groups/802/15/Bluetooth/core_10_b.pdf. + * + * 3. McGarrity, S., Bluetooth Full Duplex Voice and Data Transmission. 2002. + * Bluetooth Voice Simulink Model, Available: + * http://www.mathworks.com/company/newsletters/digest/nov01/bluetooth.html + */ +class VOCODER_API cvsd_decode_bs : virtual public sync_interpolator +{ +public: + // gr::vocoder::cvsd_decode_bs::sptr + typedef boost::shared_ptr<cvsd_decode_bs> sptr; /*! - * \brief This block performs CVSD audio decoding. Its design and - * implementation is modeled after the CVSD encoder/decoder - * specifications defined in the Bluetooth standard. - * \ingroup audio_blk - * - * \details - * CVSD is a method for encoding speech that seeks to reduce the - * bandwidth required for digital voice transmission. CVSD takes - * advantage of strong correlation between samples, quantizing the - * difference in amplitude between two consecutive samples. This - * difference requires fewer quantization levels as compared to - * other methods that quantize the actual amplitude level, - * reducing the bandwidth. CVSD employs a two level quantizer - * (one bit) and an adaptive algorithm that allows for continuous - * step size adjustment. - * - * The coder can represent low amplitude signals with accuracy - * without sacrificing performance on large amplitude signals, a - * trade off that occurs in some non-adaptive modulations. - * - * The CVSD decoder effectively provides 1-to-8 decompression. - * More specifically, for each incoming input bit, the decoder - * outputs one audio sample. If the input is a "1" bit, the - * internal reference is increased appropriately and then - * outputted as the next estimated audio sample. If the input is - * a "0" bit, the internal reference is decreased appropriately - * and then likewise outputted as the next estimated audio sample. - * Grouping 8 input bits together, the encoder essentially - * produces 8 output audio samples for everyone one input byte. - * - * This decoder requires that output audio samples are 2-byte - * short signed integers. The result bandwidth conversion, - * therefore, is 1 byte of encoded audio data to 16 output bytes - * of raw audio data. + * \brief Constructor parameters to initialize the CVSD decoder. + * The default values are modeled after the Bluetooth standard + * and should not be changed, except by an advanced user * - * The CVSD decoder module must be post-fixed by a down-converter - * to under-sample the audio data after decoding. The Bluetooth - * standard specifically calls for a 8-to-1 decimating - * down-converter. This is required so that so that output - * sampling rate equals the original input sampling rate present - * before the encoder. In all cases, the output down-converter - * rate must be the inverse of the input up-converter rate before - * the CVSD encoder. - * - * References: - * - * 1. Continuously Variable Slope Delta Modulation (CVSD) A Tutorial, - * Available: http://www.eetkorea.com/ARTICLES/2003AUG/A/2003AUG29_NTEK_RFD_AN02.PDF. - * - * 2. Specification of The Bluetooth System - * Available: http://grouper.ieee.org/groups/802/15/Bluetooth/core_10_b.pdf. - * - * 3. McGarrity, S., Bluetooth Full Duplex Voice and Data Transmission. 2002. - * Bluetooth Voice Simulink Model, Available: - * http://www.mathworks.com/company/newsletters/digest/nov01/bluetooth.html + * \param min_step Minimum step size used to update the internal reference. + * Default: "10" + * \param max_step Maximum step size used to update the internal reference. + * Default: "1280" + * \param step_decay Decay factor applied to step size when there is not a run of J + * output 1s or 0s. Default: "0.9990234375" (i.e. 1-1/1024) \param accum_decay Decay + * factor applied to the internal reference during every iteration of the codec. + * Default: "0.96875" (i.e. 1-1/32) + * \param K Size of shift register; the number of output bits remembered + * by codec (must be <= to 32). Default: "32" \param J Number of bits in + * the shift register that are equal; i.e. the size of a run of 1s, 0s. Default: "4" + * \param pos_accum_max Maximum integer value allowed for the internal reference. + * Default: "32767" (2^15 - 1 or MAXSHORT) + * \param neg_accum_max Minimum integer value allowed for the internal reference. + * Default: "-32767" (-2^15 + 1 or MINSHORT+1) */ - class VOCODER_API cvsd_decode_bs : virtual public sync_interpolator - { - public: - // gr::vocoder::cvsd_decode_bs::sptr - typedef boost::shared_ptr<cvsd_decode_bs> sptr; - - /*! - * \brief Constructor parameters to initialize the CVSD decoder. - * The default values are modeled after the Bluetooth standard - * and should not be changed, except by an advanced user - * - * \param min_step Minimum step size used to update the internal reference. - * Default: "10" - * \param max_step Maximum step size used to update the internal reference. - * Default: "1280" - * \param step_decay Decay factor applied to step size when there is not a run of J output 1s or 0s. - * Default: "0.9990234375" (i.e. 1-1/1024) - * \param accum_decay Decay factor applied to the internal reference during every iteration of the codec. - * Default: "0.96875" (i.e. 1-1/32) - * \param K Size of shift register; the number of output bits remembered by codec (must be <= to 32). - * Default: "32" - * \param J Number of bits in the shift register that are equal; i.e. the size of a run of 1s, 0s. - * Default: "4" - * \param pos_accum_max Maximum integer value allowed for the internal reference. - * Default: "32767" (2^15 - 1 or MAXSHORT) - * \param neg_accum_max Minimum integer value allowed for the internal reference. - * Default: "-32767" (-2^15 + 1 or MINSHORT+1) - */ - static sptr make(short min_step=10, short max_step=1280, - double step_decay=0.9990234375, double accum_decay= 0.96875, - int K=32, int J=4, - short pos_accum_max=32767, short neg_accum_max=-32767); + static sptr make(short min_step = 10, + short max_step = 1280, + double step_decay = 0.9990234375, + double accum_decay = 0.96875, + int K = 32, + int J = 4, + short pos_accum_max = 32767, + short neg_accum_max = -32767); - virtual short min_step() = 0; - virtual short max_step() = 0; - virtual double step_decay() = 0; - virtual double accum_decay() = 0; - virtual int K() = 0; - virtual int J() = 0; - virtual short pos_accum_max() = 0; - virtual short neg_accum_max() = 0; - }; + virtual short min_step() = 0; + virtual short max_step() = 0; + virtual double step_decay() = 0; + virtual double accum_decay() = 0; + virtual int K() = 0; + virtual int J() = 0; + virtual short pos_accum_max() = 0; + virtual short neg_accum_max() = 0; +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_CVSD_DECODE_BS_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/cvsd_encode_sb.h b/gr-vocoder/include/gnuradio/vocoder/cvsd_encode_sb.h index 71883625cb..a558819f10 100644 --- a/gr-vocoder/include/gnuradio/vocoder/cvsd_encode_sb.h +++ b/gr-vocoder/include/gnuradio/vocoder/cvsd_encode_sb.h @@ -26,106 +26,108 @@ #include <gnuradio/sync_decimator.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs CVSD audio encoding. Its design and + * implementation is modeled after the CVSD encoder/decoder + * specifications defined in the Bluetooth standard. + * \ingroup audio_blk + * + * \details + * CVSD is a method for encoding speech that seeks to reduce the + * bandwidth required for digital voice transmission. CVSD takes + * advantage of strong correlation between samples, quantizing the + * difference in amplitude between two consecutive samples. This + * difference requires fewer quantization levels as compared to + * other methods that quantize the actual amplitude level, + * reducing the bandwidth. CVSD employs a two level quantizer + * (one bit) and an adaptive algorithm that allows for continuous + * step size adjustment. + * + * The coder can represent low amplitude signals with accuracy + * without sacrificing performance on large amplitude signals, a + * trade off that occurs in some non-adaptive modulations. + * + * The CVSD encoder effectively provides 8-to-1 compression. More + * specifically, each incoming audio sample is compared to an + * internal reference value. If the input is greater or equal to + * the reference, the encoder outputs a "1" bit. If the input is + * less than the reference, the encoder outputs a "0" bit. The + * reference value is then updated accordingly based on the + * frequency of outputted "1" or "0" bits. By grouping 8 outputs + * bits together, the encoder essentially produce one output byte + * for every 8 input audio samples. + * + * This encoder requires that input audio samples are 2-byte short + * signed integers. The result bandwidth conversion, therefore, + * is 16 input bytes of raw audio data to 1 output byte of encoded + * audio data. + * + * The CVSD encoder module must be prefixed by an up-converter to + * over-sample the audio data prior to encoding. The Bluetooth + * standard specifically calls for a 1-to-8 interpolating + * up-converter. While this reduces the overall compression of + * the codec, this is required so that the encoder can accurately + * compute the slope between adjacent audio samples and correctly + * update its internal reference value. + * + * References: + * + * 1. Continuously Variable Slope Delta Modulation (CVSD) A Tutorial, + * Available: http://www.eetkorea.com/ARTICLES/2003AUG/A/2003AUG29_NTEK_RFD_AN02.PDF. + * + * 2. Specification of The Bluetooth System + * Available: http://grouper.ieee.org/groups/802/15/Bluetooth/core_10_b.pdf. + * + * 3. McGarrity, S., Bluetooth Full Duplex Voice and Data Transmission. 2002. + * Bluetooth Voice Simulink Model, Available: + * http://www.mathworks.com/company/newsletters/digest/nov01/bluetooth.html + */ +class VOCODER_API cvsd_encode_sb : virtual public sync_decimator +{ +public: + // gr::vocoder::cvsd_encode_sb::sptr + typedef boost::shared_ptr<cvsd_encode_sb> sptr; /*! - * \brief This block performs CVSD audio encoding. Its design and - * implementation is modeled after the CVSD encoder/decoder - * specifications defined in the Bluetooth standard. - * \ingroup audio_blk - * - * \details - * CVSD is a method for encoding speech that seeks to reduce the - * bandwidth required for digital voice transmission. CVSD takes - * advantage of strong correlation between samples, quantizing the - * difference in amplitude between two consecutive samples. This - * difference requires fewer quantization levels as compared to - * other methods that quantize the actual amplitude level, - * reducing the bandwidth. CVSD employs a two level quantizer - * (one bit) and an adaptive algorithm that allows for continuous - * step size adjustment. - * - * The coder can represent low amplitude signals with accuracy - * without sacrificing performance on large amplitude signals, a - * trade off that occurs in some non-adaptive modulations. - * - * The CVSD encoder effectively provides 8-to-1 compression. More - * specifically, each incoming audio sample is compared to an - * internal reference value. If the input is greater or equal to - * the reference, the encoder outputs a "1" bit. If the input is - * less than the reference, the encoder outputs a "0" bit. The - * reference value is then updated accordingly based on the - * frequency of outputted "1" or "0" bits. By grouping 8 outputs - * bits together, the encoder essentially produce one output byte - * for every 8 input audio samples. - * - * This encoder requires that input audio samples are 2-byte short - * signed integers. The result bandwidth conversion, therefore, - * is 16 input bytes of raw audio data to 1 output byte of encoded - * audio data. + * \brief Constructor parameters to initialize the CVSD encoder. + * The default values are modeled after the Bluetooth standard and + * should not be changed except by an advanced user * - * The CVSD encoder module must be prefixed by an up-converter to - * over-sample the audio data prior to encoding. The Bluetooth - * standard specifically calls for a 1-to-8 interpolating - * up-converter. While this reduces the overall compression of - * the codec, this is required so that the encoder can accurately - * compute the slope between adjacent audio samples and correctly - * update its internal reference value. - * - * References: - * - * 1. Continuously Variable Slope Delta Modulation (CVSD) A Tutorial, - * Available: http://www.eetkorea.com/ARTICLES/2003AUG/A/2003AUG29_NTEK_RFD_AN02.PDF. - * - * 2. Specification of The Bluetooth System - * Available: http://grouper.ieee.org/groups/802/15/Bluetooth/core_10_b.pdf. - * - * 3. McGarrity, S., Bluetooth Full Duplex Voice and Data Transmission. 2002. - * Bluetooth Voice Simulink Model, Available: - * http://www.mathworks.com/company/newsletters/digest/nov01/bluetooth.html + * \param min_step Minimum step size used to update the internal reference. + * Default: "10" \param max_step Maximum step size used to update the internal + * reference. Default: "1280" \param step_decay Decay factor applied to step size + * when there is not a run of J output 1s or 0s. Default: "0.9990234375" (i.e. + * 1-1/1024) \param accum_decay Decay factor applied to the internal reference + * during every iteration of the codec. Default: "0.96875" (i.e. 1-1/32) \param K + * Size of shift register; the number of output bits remembered by codec (must be <= + * to 32). Default: "32" \param J Number of bits in the shift register + * that are equal; i.e. the size of a run of 1s, 0s. Default: "4" \param pos_accum_max + * Maximum integer value allowed for the internal reference. Default: "32767" (2^15 - + * 1 or MAXSHORT) \param neg_accum_max Minimum integer value allowed for the internal + * reference. Default: "-32767" (-2^15 + 1 or MINSHORT+1) */ - class VOCODER_API cvsd_encode_sb : virtual public sync_decimator - { - public: - // gr::vocoder::cvsd_encode_sb::sptr - typedef boost::shared_ptr<cvsd_encode_sb> sptr; - - /*! - * \brief Constructor parameters to initialize the CVSD encoder. - * The default values are modeled after the Bluetooth standard and - * should not be changed except by an advanced user - * - * \param min_step Minimum step size used to update the internal reference. Default: "10" - * \param max_step Maximum step size used to update the internal reference. Default: "1280" - * \param step_decay Decay factor applied to step size when there is not a run of J output 1s or 0s. - * Default: "0.9990234375" (i.e. 1-1/1024) - * \param accum_decay Decay factor applied to the internal reference during every iteration of the codec. - * Default: "0.96875" (i.e. 1-1/32) - * \param K Size of shift register; the number of output bits remembered by codec (must be <= to 32). - * Default: "32" - * \param J Number of bits in the shift register that are equal; i.e. the size of a run of 1s, 0s. - * Default: "4" - * \param pos_accum_max Maximum integer value allowed for the internal reference. - * Default: "32767" (2^15 - 1 or MAXSHORT) - * \param neg_accum_max Minimum integer value allowed for the internal reference. - * Default: "-32767" (-2^15 + 1 or MINSHORT+1) - */ - static sptr make(short min_step=10, short max_step=1280, - double step_decay=0.9990234375, double accum_decay= 0.96875, - int K=32, int J=4, - short pos_accum_max=32767, short neg_accum_max=-32767); + static sptr make(short min_step = 10, + short max_step = 1280, + double step_decay = 0.9990234375, + double accum_decay = 0.96875, + int K = 32, + int J = 4, + short pos_accum_max = 32767, + short neg_accum_max = -32767); - virtual short min_step() = 0; - virtual short max_step() = 0; - virtual double step_decay() = 0; - virtual double accum_decay() = 0; - virtual int K() = 0; - virtual int J() = 0; - virtual short pos_accum_max() = 0; - virtual short neg_accum_max() = 0; - }; + virtual short min_step() = 0; + virtual short max_step() = 0; + virtual double step_decay() = 0; + virtual double accum_decay() = 0; + virtual int K() = 0; + virtual int J() = 0; + virtual short pos_accum_max() = 0; + virtual short neg_accum_max() = 0; +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_CVSD_ENCODE_SB_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/freedv_api.h b/gr-vocoder/include/gnuradio/vocoder/freedv_api.h index 7838fb4a08..b00cbbd425 100644 --- a/gr-vocoder/include/gnuradio/vocoder/freedv_api.h +++ b/gr-vocoder/include/gnuradio/vocoder/freedv_api.h @@ -32,12 +32,12 @@ extern "C" { } namespace gr { - namespace vocoder { +namespace vocoder { - class VOCODER_API freedv_api { - public: - - enum freedv_modes { +class VOCODER_API freedv_api +{ +public: + enum freedv_modes { #ifdef FREEDV_MODE_1600 MODE_1600 = FREEDV_MODE_1600, #endif @@ -61,17 +61,16 @@ namespace gr { #endif #ifdef FREEDV_MODE_700D MODE_700D = FREEDV_MODE_700D, - SYNC_UNSYNC = FREEDV_SYNC_UNSYNC, - SYNC_AUTO = FREEDV_SYNC_AUTO, - SYNC_MANUAL = FREEDV_SYNC_MANUAL, + SYNC_UNSYNC = FREEDV_SYNC_UNSYNC, + SYNC_AUTO = FREEDV_SYNC_AUTO, + SYNC_MANUAL = FREEDV_SYNC_MANUAL, #endif - }; - - private: - }; - } /* namespace vocoder */ +private: +}; + +} /* namespace vocoder */ } /* namespace gr */ #endif /* _VOCODER_FREEDV_H_ */ diff --git a/gr-vocoder/include/gnuradio/vocoder/freedv_rx_ss.h b/gr-vocoder/include/gnuradio/vocoder/freedv_rx_ss.h index d1d1a55989..49da8973fc 100644 --- a/gr-vocoder/include/gnuradio/vocoder/freedv_rx_ss.h +++ b/gr-vocoder/include/gnuradio/vocoder/freedv_rx_ss.h @@ -28,38 +28,40 @@ #include <gnuradio/block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief FreeDV demodulator + * \ingroup audio_blk + * + * Input: 16-bit short values of an audio signal with sampling rate 8 kHz. + * + * Output: 16-bit short values of an audio signal with sampling rate 8 kHz. + * + * See also gr::vocoder::freedv_tx_ss. + */ +class VOCODER_API freedv_rx_ss : virtual public gr::block +{ +public: + typedef boost::shared_ptr<freedv_rx_ss> sptr; /*! - * \brief FreeDV demodulator - * \ingroup audio_blk - * - * Input: 16-bit short values of an audio signal with sampling rate 8 kHz. + * \brief Make FreeDV modem demodulator block. * - * Output: 16-bit short values of an audio signal with sampling rate 8 kHz. - * - * See also gr::vocoder::freedv_tx_ss. + * \param mode Operating Mode designation + * \param squelch_thresh FreeDV modem squelch threshold value + * \param interleave_frames FreeDV 700D mode number of frames to average error */ - class VOCODER_API freedv_rx_ss : virtual public gr::block - { - public: - typedef boost::shared_ptr<freedv_rx_ss> sptr; - - /*! - * \brief Make FreeDV modem demodulator block. - * - * \param mode Operating Mode designation - * \param squelch_thresh FreeDV modem squelch threshold value - * \param interleave_frames FreeDV 700D mode number of frames to average error - */ - static sptr make(int mode=freedv_api::MODE_1600, float squelch_thresh=-100.0, int interleave_frames=1); + static sptr make(int mode = freedv_api::MODE_1600, + float squelch_thresh = -100.0, + int interleave_frames = 1); - virtual void set_squelch_thresh(float squelch_thresh) = 0; - virtual float squelch_thresh() = 0; - virtual void set_squelch_en(bool squelch_enable) = 0; - }; + virtual void set_squelch_thresh(float squelch_thresh) = 0; + virtual float squelch_thresh() = 0; + virtual void set_squelch_en(bool squelch_enable) = 0; +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_FREEDV_RX_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/freedv_tx_ss.h b/gr-vocoder/include/gnuradio/vocoder/freedv_tx_ss.h index 21754c604a..32f7296d01 100644 --- a/gr-vocoder/include/gnuradio/vocoder/freedv_tx_ss.h +++ b/gr-vocoder/include/gnuradio/vocoder/freedv_tx_ss.h @@ -28,33 +28,35 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief FreeDV modulator + * \ingroup audio_blk + * + * Input: Speech (audio) signal as 16-bit shorts, sampling rate 8 kHz. + * + * Output: Signal (audio) as 16-bit shorts, sampling rate 8 kHz. + * + */ +class VOCODER_API freedv_tx_ss : virtual public gr::sync_block +{ +public: + typedef boost::shared_ptr<freedv_tx_ss> sptr; /*! - * \brief FreeDV modulator - * \ingroup audio_blk - * - * Input: Speech (audio) signal as 16-bit shorts, sampling rate 8 kHz. - * - * Output: Signal (audio) as 16-bit shorts, sampling rate 8 kHz. + * \brief Make FreeDV Modem modulator block. * + * \param mode Operating Mode designation + * \param msg_txt Low Rate message text (callsign, location) + * \param interleave_frames FreeDV 700D mode number of frames to average error */ - class VOCODER_API freedv_tx_ss : virtual public gr::sync_block - { - public: - typedef boost::shared_ptr<freedv_tx_ss> sptr; - - /*! - * \brief Make FreeDV Modem modulator block. - * - * \param mode Operating Mode designation - * \param msg_txt Low Rate message text (callsign, location) - * \param interleave_frames FreeDV 700D mode number of frames to average error - */ - static sptr make(int mode=freedv_api::MODE_1600,const std::string msg_txt="GNU Radio",int interleave_frames=1); - }; + static sptr make(int mode = freedv_api::MODE_1600, + const std::string msg_txt = "GNU Radio", + int interleave_frames = 1); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_FREEDV_TX_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/g721_decode_bs.h b/gr-vocoder/include/gnuradio/vocoder/g721_decode_bs.h index e4629b4ba2..38feb4e9ac 100644 --- a/gr-vocoder/include/gnuradio/vocoder/g721_decode_bs.h +++ b/gr-vocoder/include/gnuradio/vocoder/g721_decode_bs.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs g721 audio decoding. + * \ingroup audio_blk + */ +class VOCODER_API g721_decode_bs : virtual public sync_block +{ +public: + // gr::vocoder::g721_decode_bs::sptr + typedef boost::shared_ptr<g721_decode_bs> sptr; /*! - * \brief This block performs g721 audio decoding. - * \ingroup audio_blk + * \brief Make G721 decoder block. */ - class VOCODER_API g721_decode_bs : virtual public sync_block - { - public: - // gr::vocoder::g721_decode_bs::sptr - typedef boost::shared_ptr<g721_decode_bs> sptr; - - /*! - * \brief Make G721 decoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_G721_DECODE_BS_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/g721_encode_sb.h b/gr-vocoder/include/gnuradio/vocoder/g721_encode_sb.h index e5afc2dece..9a4a2f69b8 100644 --- a/gr-vocoder/include/gnuradio/vocoder/g721_encode_sb.h +++ b/gr-vocoder/include/gnuradio/vocoder/g721_encode_sb.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs g721 audio encoding. + * \ingroup audio_blk + */ +class VOCODER_API g721_encode_sb : virtual public sync_block +{ +public: + // gr::vocoder::g721_encode_sb::sptr + typedef boost::shared_ptr<g721_encode_sb> sptr; /*! - * \brief This block performs g721 audio encoding. - * \ingroup audio_blk + * \brief Make G721 encoder block. */ - class VOCODER_API g721_encode_sb : virtual public sync_block - { - public: - // gr::vocoder::g721_encode_sb::sptr - typedef boost::shared_ptr<g721_encode_sb> sptr; - - /*! - * \brief Make G721 encoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_G721_ENCODE_SB_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/g723_24_decode_bs.h b/gr-vocoder/include/gnuradio/vocoder/g723_24_decode_bs.h index 1f4a686d57..b8b45caa40 100644 --- a/gr-vocoder/include/gnuradio/vocoder/g723_24_decode_bs.h +++ b/gr-vocoder/include/gnuradio/vocoder/g723_24_decode_bs.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs g723_24 audio decoding. + * \ingroup audio_blk + */ +class VOCODER_API g723_24_decode_bs : virtual public sync_block +{ +public: + // gr::vocoder::g723_24_decode_bs::sptr + typedef boost::shared_ptr<g723_24_decode_bs> sptr; /*! - * \brief This block performs g723_24 audio decoding. - * \ingroup audio_blk + * \brief Make G722_24 decoder block. */ - class VOCODER_API g723_24_decode_bs : virtual public sync_block - { - public: - // gr::vocoder::g723_24_decode_bs::sptr - typedef boost::shared_ptr<g723_24_decode_bs> sptr; - - /*! - * \brief Make G722_24 decoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_G723_24_DECODE_BS_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/g723_24_encode_sb.h b/gr-vocoder/include/gnuradio/vocoder/g723_24_encode_sb.h index 0c49749220..8e3c1ae60d 100644 --- a/gr-vocoder/include/gnuradio/vocoder/g723_24_encode_sb.h +++ b/gr-vocoder/include/gnuradio/vocoder/g723_24_encode_sb.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs g723_24 audio encoding. + * \ingroup audio_blk + */ +class VOCODER_API g723_24_encode_sb : virtual public sync_block +{ +public: + // gr::vocoder::g723_24_encode_sb::sptr + typedef boost::shared_ptr<g723_24_encode_sb> sptr; /*! - * \brief This block performs g723_24 audio encoding. - * \ingroup audio_blk + * \brief Make G722_24 encoder block. */ - class VOCODER_API g723_24_encode_sb : virtual public sync_block - { - public: - // gr::vocoder::g723_24_encode_sb::sptr - typedef boost::shared_ptr<g723_24_encode_sb> sptr; - - /*! - * \brief Make G722_24 encoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_G723_24_ENCODE_SB_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/g723_40_decode_bs.h b/gr-vocoder/include/gnuradio/vocoder/g723_40_decode_bs.h index 123d04d76b..6b89d8d5d8 100644 --- a/gr-vocoder/include/gnuradio/vocoder/g723_40_decode_bs.h +++ b/gr-vocoder/include/gnuradio/vocoder/g723_40_decode_bs.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs g723_40 audio decoding. + * \ingroup audio_blk + */ +class VOCODER_API g723_40_decode_bs : virtual public sync_block +{ +public: + // gr::vocoder::g723_40_decode_bs::sptr + typedef boost::shared_ptr<g723_40_decode_bs> sptr; /*! - * \brief This block performs g723_40 audio decoding. - * \ingroup audio_blk + * \brief Make G722_40 decoder block. */ - class VOCODER_API g723_40_decode_bs : virtual public sync_block - { - public: - // gr::vocoder::g723_40_decode_bs::sptr - typedef boost::shared_ptr<g723_40_decode_bs> sptr; - - /*! - * \brief Make G722_40 decoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_G723_40_DECODE_BS_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/g723_40_encode_sb.h b/gr-vocoder/include/gnuradio/vocoder/g723_40_encode_sb.h index 037ed8e4af..ab3820559c 100644 --- a/gr-vocoder/include/gnuradio/vocoder/g723_40_encode_sb.h +++ b/gr-vocoder/include/gnuradio/vocoder/g723_40_encode_sb.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs g723_40 audio encoding. + * \ingroup audio_blk + */ +class VOCODER_API g723_40_encode_sb : virtual public sync_block +{ +public: + // gr::vocoder::g723_40_encode_sb::sptr + typedef boost::shared_ptr<g723_40_encode_sb> sptr; /*! - * \brief This block performs g723_40 audio encoding. - * \ingroup audio_blk + * \brief Make G722_40 encoder block. */ - class VOCODER_API g723_40_encode_sb : virtual public sync_block - { - public: - // gr::vocoder::g723_40_encode_sb::sptr - typedef boost::shared_ptr<g723_40_encode_sb> sptr; - - /*! - * \brief Make G722_40 encoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_G723_40_ENCODE_SB_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/gsm_fr_decode_ps.h b/gr-vocoder/include/gnuradio/vocoder/gsm_fr_decode_ps.h index b9aa664a77..a4af270b6b 100644 --- a/gr-vocoder/include/gnuradio/vocoder/gsm_fr_decode_ps.h +++ b/gr-vocoder/include/gnuradio/vocoder/gsm_fr_decode_ps.h @@ -27,28 +27,28 @@ #include <gnuradio/sync_interpolator.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief GSM 06.10 Full Rate Vocoder Decoder + * \ingroup audio_blk + * + * Input: Vector of 33 bytes per 160 input samples + * Output: 16-bit shorts representing speech samples + */ +class VOCODER_API gsm_fr_decode_ps : virtual public sync_interpolator +{ +public: + // gr::vocoder::gsm_fr_decode_ps::sptr + typedef boost::shared_ptr<gsm_fr_decode_ps> sptr; /*! - * \brief GSM 06.10 Full Rate Vocoder Decoder - * \ingroup audio_blk - * - * Input: Vector of 33 bytes per 160 input samples - * Output: 16-bit shorts representing speech samples + * \brief Make GSM decoder block. */ - class VOCODER_API gsm_fr_decode_ps : virtual public sync_interpolator - { - public: - // gr::vocoder::gsm_fr_decode_ps::sptr - typedef boost::shared_ptr<gsm_fr_decode_ps> sptr; - - /*! - * \brief Make GSM decoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_GSM_FR_DECODE_PS_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/gsm_fr_encode_sp.h b/gr-vocoder/include/gnuradio/vocoder/gsm_fr_encode_sp.h index 5cfbc653cd..ba5cfbd38a 100644 --- a/gr-vocoder/include/gnuradio/vocoder/gsm_fr_encode_sp.h +++ b/gr-vocoder/include/gnuradio/vocoder/gsm_fr_encode_sp.h @@ -27,28 +27,28 @@ #include <gnuradio/sync_decimator.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief GSM 06.10 Full Rate Vocoder Encoder + * \ingroup audio_blk + * + * Input: 16-bit shorts representing speech samples + * Output: Vector of 33 bytes per 160 input samples + */ +class VOCODER_API gsm_fr_encode_sp : virtual public sync_decimator +{ +public: + // gr::vocoder::gsm_fr_encode_sp::sptr + typedef boost::shared_ptr<gsm_fr_encode_sp> sptr; /*! - * \brief GSM 06.10 Full Rate Vocoder Encoder - * \ingroup audio_blk - * - * Input: 16-bit shorts representing speech samples - * Output: Vector of 33 bytes per 160 input samples + * \brief Make GSM encoder block. */ - class VOCODER_API gsm_fr_encode_sp : virtual public sync_decimator - { - public: - // gr::vocoder::gsm_fr_encode_sp::sptr - typedef boost::shared_ptr<gsm_fr_encode_sp> sptr; - - /*! - * \brief Make GSM encoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_GSM_FR_ENCODE_SP_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/ulaw_decode_bs.h b/gr-vocoder/include/gnuradio/vocoder/ulaw_decode_bs.h index 68f3789216..37510452ce 100644 --- a/gr-vocoder/include/gnuradio/vocoder/ulaw_decode_bs.h +++ b/gr-vocoder/include/gnuradio/vocoder/ulaw_decode_bs.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs ulaw audio decoding. + * \ingroup audio_blk + */ +class VOCODER_API ulaw_decode_bs : virtual public sync_block +{ +public: + // gr::vocoder::ulaw_decode_bs::sptr + typedef boost::shared_ptr<ulaw_decode_bs> sptr; /*! - * \brief This block performs ulaw audio decoding. - * \ingroup audio_blk + * \brief Make ulaw decoder block. */ - class VOCODER_API ulaw_decode_bs : virtual public sync_block - { - public: - // gr::vocoder::ulaw_decode_bs::sptr - typedef boost::shared_ptr<ulaw_decode_bs> sptr; - - /*! - * \brief Make ulaw decoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_ULAW_DECODE_BS_H */ diff --git a/gr-vocoder/include/gnuradio/vocoder/ulaw_encode_sb.h b/gr-vocoder/include/gnuradio/vocoder/ulaw_encode_sb.h index ba50f8750a..635192f674 100644 --- a/gr-vocoder/include/gnuradio/vocoder/ulaw_encode_sb.h +++ b/gr-vocoder/include/gnuradio/vocoder/ulaw_encode_sb.h @@ -27,25 +27,25 @@ #include <gnuradio/sync_block.h> namespace gr { - namespace vocoder { +namespace vocoder { + +/*! + * \brief This block performs g.711 ulaw audio encoding. + * \ingroup audio_blk + */ +class VOCODER_API ulaw_encode_sb : virtual public sync_block +{ +public: + // gr::vocoder::ulaw_encode_sb::sptr + typedef boost::shared_ptr<ulaw_encode_sb> sptr; /*! - * \brief This block performs g.711 ulaw audio encoding. - * \ingroup audio_blk + * \brief Make ulaw encoder block. */ - class VOCODER_API ulaw_encode_sb : virtual public sync_block - { - public: - // gr::vocoder::ulaw_encode_sb::sptr - typedef boost::shared_ptr<ulaw_encode_sb> sptr; - - /*! - * \brief Make ulaw encoder block. - */ - static sptr make(); - }; + static sptr make(); +}; - } /* namespace vocoder */ +} /* namespace vocoder */ } /* namespace gr */ #endif /* INCLUDED_VOCODER_ULAW_ENCODE_SB_H */ |