Fix VST state-lock SNAFU (effSetChunk and process are exclusive)
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8e3b6c9ac6
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@ -320,8 +320,10 @@ maybe_set_program (VSTState* vstfx)
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}
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if (vstfx->want_chunk == 1) {
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pthread_mutex_lock (&vstfx->state_lock);
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vstfx->plugin->dispatcher (vstfx->plugin, 24 /* effSetChunk */, 1, vstfx->wanted_chunk_size, vstfx->wanted_chunk, 0);
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vstfx->want_chunk = 0;
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pthread_mutex_unlock (&vstfx->state_lock);
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}
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}
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@ -120,8 +120,6 @@ protected:
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framepos_t _transport_frame;
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float _transport_speed;
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mutable std::map <uint32_t, float> _parameter_defaults;
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Glib::Threads::Mutex _state_lock;
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};
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}
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@ -129,6 +129,7 @@ struct LIBARDOUR_API _VSTState
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struct _VSTState * next;
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pthread_mutex_t lock;
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pthread_mutex_t state_lock;
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pthread_cond_t window_status_change;
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pthread_cond_t plugin_dispatcher_called;
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pthread_cond_t window_created;
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@ -136,6 +137,7 @@ struct LIBARDOUR_API _VSTState
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void init () {
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pthread_mutex_init (&lock, 0);
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pthread_mutex_init (&state_lock, 0);
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pthread_cond_init (&window_status_change, 0);
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pthread_cond_init (&plugin_dispatcher_called, 0);
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pthread_cond_init (&window_created, 0);
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@ -172,8 +172,9 @@ VSTPlugin::set_chunk (gchar const * data, bool single)
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int r = 0;
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guchar* raw_data = g_base64_decode (data, &size);
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{
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Glib::Threads::Mutex::Lock lm (_lock);
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pthread_mutex_lock (&_state->state_lock);
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r = _plugin->dispatcher (_plugin, 24 /* effSetChunk */, single ? 1 : 0, size, raw_data, 0);
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pthread_mutex_unlock (&_state->state_lock);
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}
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g_free (raw_data);
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return r;
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@ -566,8 +567,7 @@ VSTPlugin::connect_and_run (BufferSet& bufs,
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{
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Plugin::connect_and_run(bufs, start, end, speed, in_map, out_map, nframes, offset);
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Glib::Threads::Mutex::Lock lm (_state_lock, Glib::Threads::TRY_LOCK);
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if (!lm.locked()) {
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if (pthread_mutex_trylock (&_state->state_lock)) {
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/* by convention 'effSetChunk' should not be called while processing
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* http://www.reaper.fm/sdk/vst/vst_ext.php
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*
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@ -645,6 +645,7 @@ VSTPlugin::connect_and_run (BufferSet& bufs,
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_plugin->processReplacing (_plugin, &ins[0], &outs[0], nframes);
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_midi_out_buf = 0;
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pthread_mutex_unlock (&_state->state_lock);
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return 0;
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}
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@ -92,8 +92,10 @@ maybe_set_program (VSTState* fst)
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// XXX check
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// 24 == audioMasterGetAutomationState,
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// 48 == audioMasterGetChunkFile
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pthread_mutex_lock (&vstfx->state_lock);
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fst->plugin->dispatcher (fst->plugin, 24 /* effSetChunk */, 1, fst->wanted_chunk_size, fst->wanted_chunk, 0);
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fst->want_chunk = 0;
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pthread_mutex_unlock (&vstfx->state_lock);
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}
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}
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