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@ -58,6 +58,7 @@ static const char app[] = "Echo";
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static int echo_exec(struct ast_channel *chan, const char *data)
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{
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int res = -1;
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int fir_sent = 0;
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while (ast_waitfor(chan, -1) > -1) {
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struct ast_frame *f = ast_read(chan);
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@ -66,6 +67,22 @@ static int echo_exec(struct ast_channel *chan, const char *data)
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}
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f->delivery.tv_sec = 0;
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f->delivery.tv_usec = 0;
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if (f->frametype == AST_FRAME_CONTROL
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&& f->subclass.integer == AST_CONTROL_VIDUPDATE) {
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if (ast_write(chan, f) < 0) {
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ast_frfree(f);
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goto end;
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}
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fir_sent = 1;
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}
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if (!fir_sent && f->frametype == AST_FRAME_VIDEO) {
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struct ast_frame frame = {
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.frametype = AST_FRAME_CONTROL,
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.subclass.integer = AST_CONTROL_VIDUPDATE,
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};
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ast_write(chan, &frame);
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fir_sent = 1;
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}
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if (f->frametype != AST_FRAME_CONTROL
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&& f->frametype != AST_FRAME_MODEM
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&& f->frametype != AST_FRAME_NULL
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