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More tweaks to spandsp

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This commit is contained in:
Steve Underwood 2013-07-24 01:38:07 +08:00
parent 9046143f2b
commit 43e2f86c0f
4 changed files with 32 additions and 10 deletions
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9
libs/spandsp/src/fsk.c
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@ -69,6 +69,7 @@ const fsk_spec_t preset_fsk_specs[] =
300*100 300*100
}, },
{ {
/* This is mode 2 of the V.23 spec. Mode 1 (the 600baud mode) is not defined here */
"V23 ch 1", "V23 ch 1",
1700 + 400, 1700 + 400,
1700 - 400, 1700 - 400,
@ -124,6 +125,14 @@ const fsk_spec_t preset_fsk_specs[] =
-30, -30,
50*100 50*100
}, },
{
"Weitbrecht 47.6", /* Used for V.18 probing */
1600 + 200,
1600 - 200,
-14,
-30,
4760
},
{ {
"V21 (110bps) ch 1", "V21 (110bps) ch 1",
1080 + 100, 1080 + 100,

6
libs/spandsp/src/spandsp/t4_t6_encode.h
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@ -77,6 +77,12 @@ SPAN_DECLARE(int) t4_t6_encode_set_encoding(t4_t6_encode_state_t *s, int encodin
\return 0 for success, otherwise -1. */ \return 0 for success, otherwise -1. */
SPAN_DECLARE(int) t4_t6_encode_set_image_width(t4_t6_encode_state_t *s, int image_width); SPAN_DECLARE(int) t4_t6_encode_set_image_width(t4_t6_encode_state_t *s, int image_width);
/*! \brief Set the length of the image.
\param s The T.4/T.6 context.
\param image_length The image length, in pixels.
\return 0 for success, otherwise -1. */
SPAN_DECLARE(int) t4_t6_encode_set_image_length(t4_t6_encode_state_t *s, int image_length);
/*! \brief Get the width of the image. /*! \brief Get the width of the image.
\param s The T.4/T.6 context. \param s The T.4/T.6 context.
\return The width of the image, in pixels. */ \return The width of the image, in pixels. */

21
libs/spandsp/src/spandsp/v18.h
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@ -38,24 +38,25 @@ typedef struct v18_state_s v18_state_t;
enum enum
{ {
V18_MODE_NONE = 0, V18_MODE_NONE = 0x0001,
/* V.18 Annex A - Weitbrecht TDD at 45.45bps (US TTY), half-duplex, 5 bit baudot (USA). */ /* V.18 Annex A - Weitbrecht TDD at 45.45bps (US TTY), half-duplex, 5 bit baudot (USA). */
V18_MODE_5BIT_4545 = 1, V18_MODE_5BIT_4545 = 0x0002,
/* V.18 Annex A - Weitbrecht TDD at 50bps (International TTY), half-duplex, 5 bit baudot (UK, Australia and others). */ /* V.18 Annex A - Weitbrecht TDD at 50bps (International TTY), half-duplex, 5 bit baudot (UK, Australia and others). */
V18_MODE_5BIT_50 = 2, V18_MODE_5BIT_50 = 0x0004,
/* V.18 Annex B - DTMF encoding of ASCII (Denmark, Holland and others). */ /* V.18 Annex B - DTMF encoding of ASCII (Denmark, Holland and others). */
V18_MODE_DTMF = 3, V18_MODE_DTMF = 0x0008,
/* V.18 Annex C - EDT (European Deaf Telephone) 110bps, V.21, half-duplex, ASCII (Germany, Austria, Switzerland and others). */ /* V.18 Annex C - EDT (European Deaf Telephone) 110bps, V.21, half-duplex, ASCII (Germany, Austria, Switzerland and others). */
V18_MODE_EDT = 4, V18_MODE_EDT = 0x0010,
/* V.18 Annex D - 300bps, Bell 103, duplex, ASCII (USA). */ /* V.18 Annex D - 300bps, Bell 103, duplex, ASCII (USA). */
V18_MODE_BELL103 = 5, V18_MODE_BELL103 = 0x0020,
/* V.18 Annex E - 1200bps Videotex terminals, ASCII (France). */ /* V.18 Annex E - 1200bps Videotex terminals, ASCII (France). */
V18_MODE_V23VIDEOTEX = 6, V18_MODE_V23VIDEOTEX = 0x0040,
/* V.18 Annex F - V.21 text telephone, V.21, duplex, ASCII (Sweden, Norway and Finland). */ /* V.18 Annex F - V.21 text telephone, V.21, duplex, ASCII (Sweden, Norway and Finland). */
V18_MODE_V21TEXTPHONE = 7, V18_MODE_V21TEXTPHONE = 0x0080,
/* V.18 Annex G - V.18 text telephone mode. */ /* V.18 Annex G - V.18 text telephone mode. */
V18_MODE_V18TEXTPHONE = 8, V18_MODE_V18TEXTPHONE = 0x0100,
V18_MODE_5BIT_476 = 9, /* V.18 Annex A - Used during probing. */
V18_MODE_5BIT_476 = 0x0200,
/* Use repetitive shift characters where character set shifts are used */ /* Use repetitive shift characters where character set shifts are used */
V18_MODE_REPETITIVE_SHIFTS_OPTION = 0x1000 V18_MODE_REPETITIVE_SHIFTS_OPTION = 0x1000
}; };

6
libs/spandsp/src/t4_t6_encode.c
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@ -1040,6 +1040,12 @@ SPAN_DECLARE(int) t4_t6_encode_set_image_width(t4_t6_encode_state_t *s, int imag
} }
/*- End of function --------------------------------------------------------*/ /*- End of function --------------------------------------------------------*/
SPAN_DECLARE(int) t4_t6_encode_set_image_length(t4_t6_encode_state_t *s, int image_length)
{
return 0;
}
/*- End of function --------------------------------------------------------*/
SPAN_DECLARE(uint32_t) t4_t6_encode_get_image_width(t4_t6_encode_state_t *s) SPAN_DECLARE(uint32_t) t4_t6_encode_get_image_width(t4_t6_encode_state_t *s)
{ {
return s->image_width; return s->image_width;