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core framework for reverse media bugs

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4105 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2007-01-31 23:09:33 +00:00
parent d863d8dac9
commit 59ed99a9a8
5 changed files with 100 additions and 6 deletions
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src/switch_core.c
+40 -4
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@@ -59,6 +59,8 @@
struct switch_media_bug {
switch_buffer_t *raw_write_buffer;
switch_buffer_t *raw_read_buffer;
switch_frame_t *replace_frame_in;
switch_frame_t *replace_frame_out;
switch_media_bug_callback_t callback;
switch_mutex_t *read_mutex;
switch_mutex_t *write_mutex;
@@ -176,6 +178,17 @@ static void switch_core_media_bug_destroy(switch_media_bug_t *bug)
switch_buffer_destroy(&bug->raw_write_buffer);
}
SWITCH_DECLARE(switch_frame_t *) switch_core_media_bug_get_replace_frame(switch_media_bug_t *bug)
{
return bug->replace_frame_in;
}
SWITCH_DECLARE(void) switch_core_media_bug_set_replace_frame(switch_media_bug_t *bug, switch_frame_t *frame)
{
bug->replace_frame_out = frame;
}
SWITCH_DECLARE(void *) switch_core_media_bug_get_user_data(switch_media_bug_t *bug)
{
return bug->user_data;
@@ -277,9 +290,21 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_add(switch_core_session_t
switch_media_bug_t **new_bug)
{
switch_media_bug_t *bug;
switch_media_bug_t *bug, *bp;
switch_size_t bytes;
if (flags & SMBF_WRITE_REPLACE) {
switch_thread_rwlock_wrlock(session->bug_rwlock);
for (bp = session->bugs; bp; bp = bp->next) {
if (switch_test_flag(bp, SMBF_WRITE_REPLACE)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Only one bug of this type allowed!\n");
switch_thread_rwlock_unlock(session->bug_rwlock);
return SWITCH_STATUS_GENERR;
}
}
switch_thread_rwlock_unlock(session->bug_rwlock);
}
if (!(bug = switch_core_session_alloc(session, sizeof(*bug)))) {
return SWITCH_STATUS_MEMERR;
}
@@ -2087,6 +2112,7 @@ static switch_status_t perform_write(switch_core_session_t *session, switch_fram
switch_status_t status = SWITCH_STATUS_FALSE;
if (session->endpoint_interface->io_routines->write_frame) {
if ((status =
session->endpoint_interface->io_routines->write_frame(session, frame, timeout, flags,
stream_id)) == SWITCH_STATUS_SUCCESS) {
@@ -2230,15 +2256,25 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
if (bp->callback) {
bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE);
}
} else if (switch_test_flag(bp, SMBF_WRITE_REPLACE)) {
do_bugs = 0;
if (bp->callback) {
bp->replace_frame_in = frame;
bp->replace_frame_out = NULL;
bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE_REPLACE);
write_frame = bp->replace_frame_out;
}
}
}
switch_thread_rwlock_unlock(session->bug_rwlock);
}
if (do_bugs) {
do_write = 1;
write_frame = frame;
goto done;
do_write = 1;
write_frame = frame;
goto done;
}
if (session->write_codec) {
if (write_frame->datalen == session->write_codec->implementation->bytes_per_frame) {
perfect = TRUE;