Author: coreyfarrell Date: Sun Nov 2 01:38:14 2014 New Revision: 427020 URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=427020 Log: func_jitterbuffer: fix frame leaks.
Fix code paths where it is possible for frames to leak. Fix uninitialized variable in jb_get_fixed and jb_get_adaptive. ASTERISK-22409 #related Reported by: Corey Farrell Review: https://reviewboard.asterisk.org/r/4128/ ........ Merged revisions 427019 from http://svn.asterisk.org/svn/asterisk/branches/11 Modified: branches/12/ (props changed) branches/12/main/abstract_jb.c Propchange: branches/12/ ------------------------------------------------------------------------------ Binary property 'branch-11-merged' - no diff available. Modified: branches/12/main/abstract_jb.c URL: http://svnview.digium.com/svn/asterisk/branches/12/main/abstract_jb.c?view=diff&rev=427020&r1=427019&r2=427020 ============================================================================== --- branches/12/main/abstract_jb.c (original) +++ branches/12/main/abstract_jb.c Sun Nov 2 01:38:14 2014 @@ -656,7 +656,7 @@ static int jb_get_fixed(void *jb, struct ast_frame **fout, long now, long interpl) { struct fixed_jb *fixedjb = (struct fixed_jb *) jb; - struct fixed_jb_frame frame; + struct fixed_jb_frame frame = { .data = &ast_null_frame }; int res; res = fixed_jb_get(fixedjb, &frame, now, interpl); @@ -752,7 +752,7 @@ static int jb_get_adaptive(void *jb, struct ast_frame **fout, long now, long interpl) { jitterbuf *adaptivejb = (jitterbuf *) jb; - jb_frame frame; + jb_frame frame = { .data = &ast_null_frame }; int res; res = jb_get(adaptivejb, &frame, now, interpl); @@ -921,8 +921,14 @@ } else { res = framedata->jb_impl->put(framedata->jb_obj, jbframe, now); } + if (res == AST_JB_IMPL_OK) { + if (jbframe != frame) { + ast_frfree(frame); + } frame = &ast_null_frame; + } else if (jbframe != frame) { + ast_frfree(jbframe); } putframe = 1; } @@ -949,6 +955,8 @@ } } + ast_frfree(frame); + frame = &ast_null_frame; res = framedata->jb_impl->get(framedata->jb_obj, &frame, now, framedata->timer_interval); switch (res) { case AST_JB_IMPL_OK: @@ -961,6 +969,7 @@ case AST_JB_IMPL_INTERP: if (framedata->last_format.id) { struct ast_frame tmp = { 0, }; + tmp.frametype = AST_FRAME_VOICE; ast_format_copy(&tmp.subclass.format, &framedata->last_format); /* example: 8000hz / (1000 / 20ms) = 160 samples */ @@ -968,11 +977,13 @@ tmp.delivery = ast_tvadd(framedata->start_tv, ast_samp2tv(next, 1000)); tmp.offset = AST_FRIENDLY_OFFSET; tmp.src = "func_jitterbuffer interpolation"; + ast_frfree(frame); frame = ast_frdup(&tmp); break; } /* else fall through */ case AST_JB_IMPL_NOFRAME: + ast_frfree(frame); frame = &ast_null_frame; break; } -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- svn-commits mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/svn-commits
