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mailing list 36bc584d980ce80fe6a6f6e7d7383db9.squirrel@my.tomp.co.uk [Freeswitch-users] update

This commit is contained in:
Anthony Minessale 2012-01-11 21:35:19 -06:00
parent c378f0d751
commit c37c0298f3
1 changed files with 19 additions and 44 deletions
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63
src/switch_core_media_bug.c
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@ -160,7 +160,7 @@ static switch_size_t do_peek(switch_buffer_t *buffer, audio_buffer_header_t *h)
SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *bug, switch_frame_t *frame, switch_bool_t fill)
{
switch_size_t bytes = 0, datalen = 0, ttl = 0;
switch_size_t bytes = 0, datalen = 0;
int16_t *dp, *fp;
uint32_t x;
size_t rlen = 0;
@ -170,7 +170,6 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *b
int16_t *tp;
audio_buffer_header_t rh = { 0 }, wh = { 0 };
int do_read = 0, do_write = 0;
switch_size_t ur = 0, uw = 0;
switch_core_session_get_read_impl(bug->session, &read_impl);
@ -195,37 +194,17 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *b
if (switch_test_flag(bug, SMBF_READ_STREAM)) {
switch_mutex_lock(bug->read_mutex);
do_peek(bug->raw_read_buffer, &rh);
ur = switch_buffer_inuse(bug->raw_read_buffer);
do_read = !!do_peek(bug->raw_read_buffer, &rh);
switch_mutex_unlock(bug->read_mutex);
}
if (switch_test_flag(bug, SMBF_WRITE_STREAM)) {
switch_assert(bug->raw_write_buffer);
do_peek(bug->raw_write_buffer, &wh);
uw = switch_buffer_inuse(bug->raw_write_buffer);
switch_mutex_lock(bug->write_mutex);
do_write = !!do_peek(bug->raw_write_buffer, &wh);
switch_mutex_unlock(bug->write_mutex);
}
if (ur && uw && ur > uw) {
do_write = 1;
} else if (ur && uw && uw > ur) {
do_read = 1;
} else {
do_read = !!ur;
do_write = !!uw;
}
if (do_read && do_write) {
if (rh.ts > wh.ts) {
do_read = 0;
} else if (wh.ts > rh.ts) {
do_write = 0;
}
}
if (!(do_read || do_write)) {
if (!(do_read && do_write)) {
return SWITCH_STATUS_FALSE;
}
@ -233,12 +212,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *b
switch_mutex_lock(bug->read_mutex);
switch_buffer_read(bug->raw_read_buffer, &rh, sizeof(rh));
frame->datalen = (uint32_t) switch_buffer_read(bug->raw_read_buffer, frame->data, rh.len);
ttl += frame->datalen;
switch_mutex_unlock(bug->read_mutex);
} else {
memset(frame->data, 255, bytes);
frame->datalen = bytes;
ttl += bytes;
}
if (do_write) {
@ -247,12 +221,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *b
switch_buffer_read(bug->raw_write_buffer, &wh, sizeof(wh));
datalen = (uint32_t) switch_buffer_read(bug->raw_write_buffer, bug->data, wh.len);
ttl += datalen;
switch_mutex_unlock(bug->write_mutex);
} else {
memset(bug->data, 255, bytes);
datalen = bytes;
ttl += bytes;
}
tp = bug->tmp;
@ -291,23 +260,29 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *b
memcpy(frame->data, bug->tmp, bytes * 2);
} else {
for (x = 0; x < blen; x++) {
int32_t z = 0;
int32_t w = 0, r = 0, z = 0;
if (x < rlen) {
z += (int32_t) * (fp + x);
r = (int32_t) * (fp + x);
}
if (x < wlen) {
z += (int32_t) * (dp + x);
w = (int32_t) * (dp + x);
}
z = w + r;
if (z > SWITCH_SMAX || z < SWITCH_SMIN) {
if (r) z += (r/2);
if (w) z += (w/2);
}
switch_normalize_to_16bit(z);
*(fp + x) = (int16_t) z / 2;
}
}
if (!ttl) {
switch_set_flag(frame, SFF_CNG);
}
frame->datalen = bytes;
frame->samples = bytes / sizeof(int16_t);
frame->rate = read_impl.actual_samples_per_second;