TAAE2 example in documentation / MIX2 missing ?
If I get it right, MIX2 is missing here:
renderer.block = ^(const AERenderContext * _Nonnull context) {
AEModuleProcess(file1, context); // Run player (pushes 1)
AEModuleProcess(filter1, context); // Run filter (edits top buffer)
AEModuleProcess(file2, context); // Run player (pushes 1)
AEModuleProcess(file3, context); // Run player (pushes 1)
AEBufferStackMix(context->stack, 2); // Mix top 2 buffers
AEModuleProcess(filter2, context); // Run filter (edits top buffer)
AERenderContextOutput(context, 1); // Put top buffer onto output
AEModuleProcess(recorder, context); // Run recorder (uses top buffer)
};