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fix race with media bug exiting from write frame while read frame is trying to use it

This commit is contained in:
Anthony Minessale 2011-02-14 11:44:36 -06:00
parent 04bb74fcae
commit 1341a75ad8
1 changed files with 13 additions and 0 deletions
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13
src/switch_core_io.c
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@ -318,11 +318,24 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_sessi
switch_codec_t *use_codec = read_frame->codec;
if (do_bugs) {
switch_thread_rwlock_wrlock(session->bug_rwlock);
if (!session->bugs) {
do_bugs = 0;
switch_thread_rwlock_unlock(session->bug_rwlock);
goto done;
}
if (!switch_core_codec_ready(&session->bug_codec)) {
switch_core_codec_copy(read_frame->codec, &session->bug_codec, NULL);
}
use_codec = &session->bug_codec;
switch_thread_rwlock_unlock(session->bug_rwlock);
switch_thread_rwlock_wrlock(session->bug_rwlock);
if (!session->bugs) {
do_bugs = 0;
}
switch_thread_rwlock_unlock(session->bug_rwlock);
if (!do_bugs) goto done;
}
if (switch_test_flag(read_frame, SFF_PLC)) {