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update spandsp to use newest snapshot http://www.soft-switch.org/downloads/snapshots/spandsp/spandsp-20080910.tar.gz

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9493 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2008-09-09 17:04:42 +00:00
parent bc5cf34915
commit ea964d8fe6
79 changed files with 2804 additions and 1642 deletions
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67
libs/spandsp/src/t38_non_ecm_buffer.c
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@@ -23,7 +23,7 @@
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: t38_non_ecm_buffer.c,v 1.1 2008/08/14 14:06:05 steveu Exp $
* $Id: t38_non_ecm_buffer.c,v 1.3 2008/09/07 12:45:17 steveu Exp $
*/
/*! \file */
@@ -59,6 +59,21 @@
#include "spandsp/t38_non_ecm_buffer.h"
static void restart_buffer(t38_non_ecm_buffer_state_t *s)
{
/* This should be called when draining the buffer is complete, which should
occur before any fresh data can possibly arrive to begin refilling it. */
s->octet = 0xFF;
s->flow_control_fill_octet = 0xFF;
s->at_initial_all_ones = TRUE;
s->bit_stream = 0xFFFF;
s->out_ptr = 0;
s->in_ptr = 0;
s->latest_eol_ptr = 0;
s->data_finished = FALSE;
}
/*- End of function --------------------------------------------------------*/
int t38_non_ecm_buffer_get_bit(void *user_data)
{
t38_non_ecm_buffer_state_t *s;
@@ -80,12 +95,8 @@ int t38_non_ecm_buffer_get_bit(void *user_data)
{
/* The queue is empty, and we have received the end of data signal. This must
really be the end to transmission. */
s->data_finished = FALSE;
/* Reset the data pointers for next time. */
s->out_ptr = 0;
s->in_ptr = 0;
s->latest_eol_ptr = 0;
return PUTBIT_END_OF_DATA;
restart_buffer(s);
return SIG_STATUS_END_OF_DATA;
}
/* The queue is blocked, but this does not appear to be the end of the data. Idle with
fill octets, which should be safe at this point. */
@@ -160,10 +171,11 @@ void t38_non_ecm_buffer_inject(t38_non_ecm_buffer_state_t *s, const uint8_t *buf
rough approach. */
while (s->row_bits < s->min_row_bits)
{
s->min_row_bits_fill_octets++;
s->data[s->in_ptr] = 0;
s->row_bits += 8;
/* TODO: We can't buffer overflow, since we wrap around. However, the tail could overwrite
itself if things fall badly behind. */
/* TODO: We can't buffer overflow, since we wrap around. However, the tail could
overwrite itself if things fall badly behind. */
s->in_ptr = (s->in_ptr + 1) & (T38_NON_ECM_TX_BUF_LEN - 1);
}
/* Start a new row */
@@ -205,28 +217,47 @@ void t38_non_ecm_buffer_inject(t38_non_ecm_buffer_state_t *s, const uint8_t *buf
}
/*- End of function --------------------------------------------------------*/
void t38_non_ecm_buffer_report_status(t38_non_ecm_buffer_state_t *s, logging_state_t *logging)
void t38_non_ecm_buffer_report_input_status(t38_non_ecm_buffer_state_t *s, logging_state_t *logging)
{
if (s->in_octets || s->out_octets)
if (s->in_octets || s->min_row_bits_fill_octets)
{
span_log(logging,
SPAN_LOG_FLOW,
"%d incoming non-ECM octets, %d rows. %d outgoing non-ECM octets, %d rows\n",
"%d+%d incoming non-ECM octets, %d rows.\n",
s->in_octets,
s->in_rows,
s->out_octets,
s->out_rows);
s->min_row_bits_fill_octets,
s->in_rows);
s->in_octets = 0;
s->in_rows = 0;
s->min_row_bits_fill_octets = 0;
}
if (s->flow_control_fill_octets)
}
/*- End of function --------------------------------------------------------*/
void t38_non_ecm_buffer_report_output_status(t38_non_ecm_buffer_state_t *s, logging_state_t *logging)
{
if (s->out_octets || s->flow_control_fill_octets)
{
span_log(logging,
SPAN_LOG_FLOW,
"Non-ECM flow control generated %d octets\n",
s->flow_control_fill_octets);
"%d+%d outgoing non-ECM octets, %d rows.\n",
s->out_octets - s->flow_control_fill_octets,
s->flow_control_fill_octets,
s->out_rows);
s->out_octets = 0;
s->out_rows = 0;
s->flow_control_fill_octets = 0;
}
}
/*- End of function --------------------------------------------------------*/
void t38_non_ecm_buffer_set_mode(t38_non_ecm_buffer_state_t *s, int mode, int min_row_bits)
{
s->image_data_mode = mode;
s->min_row_bits = min_row_bits;
}
/*- End of function --------------------------------------------------------*/
t38_non_ecm_buffer_state_t *t38_non_ecm_buffer_init(t38_non_ecm_buffer_state_t *s, int mode, int min_row_bits)
{
memset(s, 0, sizeof(*s));