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Diffstat (limited to 'third_party/gsm/man/gsm_print.3')
| -rw-r--r-- | third_party/gsm/man/gsm_print.3 | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/third_party/gsm/man/gsm_print.3 b/third_party/gsm/man/gsm_print.3 new file mode 100644 index 00000000..48d68831 --- /dev/null +++ b/third_party/gsm/man/gsm_print.3 @@ -0,0 +1,52 @@ +.\" +.\" Copyright 1992 by Jutta Degener and Carsten Bormann, Technische +.\" Universitaet Berlin. See the accompanying file "COPYRIGHT" for +.\" details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE. +.\" +.PU +.TH GSM_PRINT 3 +.SH NAME +gsm_print \(em GSM\ 06.10 supplementary function for debugging +.SH SYNOPSIS +#include "gsm.h" +#include <stdio.h> + +int gsm_print(f, g, frame); +.br +FILE * f; +.br +gsm g; +.br +gsm_frame frame; +.SH "DESCRIPTION" +Gsm is an implementation of the final draft GSM 06.10 +standard for full-rate speech transcoding, a lossy +speech compression algorithm. +The compressed form involves 76 variables with different numbers +of significant bits packed into 33 bytes. +.PP +If you are interested in investigating the details of this +coding scheme, gsm_print() can be used to dump the contents +of individual gsm_frames to a file pointer provided by +the application. +.PP +.SH "RETURN VALUE" +gsm_print() returns -1 if the frame is invalid, else 0. +.SH EXAMPLE +A single frame looks like this: +.br +.nf +LARc: 29 32 20 11 08 05 06 07 +#1: Nc 0040 bc 0 Mc 1 xmaxc 60 + 06 04 00 03 03 06 04 02 02 04 05 04 01 +#2: Nc 0045 bc 1 Mc 1 xmaxc 48 + 03 07 01 03 04 04 07 01 03 02 04 05 03 +#3: Nc 0091 bc 1 Mc 1 xmaxc 46 + 00 03 03 07 01 06 02 04 05 03 03 02 04 +#4: Nc 0120 bc 0 Mc 1 xmaxc 47 + 07 03 06 00 03 03 06 05 00 03 02 07 04 +.nf +.SH BUGS +Please direct bug reports to jutta@cs.tu-berlin.de and cabo@cs.tu-berlin.de. +.SH "SEE ALSO" +gsm(3), gsm_explode(3) |