add Autosave continuous backups by Andras Reuss and Andrew-R

[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / pluginlv2.C

diff --git a/cinelerra-5.1/cinelerra/pluginlv2.C b/cinelerra-5.1/cinelerra/pluginlv2.C
index d1c5a8c4022e7362ba613d70d94fed5b5e3a425d..c6ef09cbe2125257a6dc07c004b9402f11b750fd 100644 (file)
--- a/cinelerra-5.1/cinelerra/pluginlv2.C
+++ b/cinelerra-5.1/cinelerra/pluginlv2.C
@@ -22,6 +22,7 @@ PluginLV2::PluginLV2()
 
        samplerate = 44100;
        refreshrate = 30.;
+       min_block_length = 1;
        block_length = 4096;
        midi_buf_size = 8192;
 
@@ -51,6 +52,8 @@ PluginLV2::PluginLV2()
        schedule.schedule_work = lv2_worker_schedule;
        worker_iface = 0;  worker_done = -1;
        pthread_mutex_init(&worker_lock, 0);
+       pthread_mutex_init(&startup_lock, 0);
+       pthread_mutex_lock(&startup_lock);
        pthread_cond_init(&worker_ready, 0);
        work_avail = 0;   work_input = 0;
        work_output = 0;  work_tail = &work_output;
@@ -189,9 +192,10 @@ int PluginLV2::init_lv2(PluginLV2ClientConfig &conf, int sample_rate, int bfrsz)
        ui_updateRate = uri_table.map(LV2_UI__updateRate);
 
        samplerate = sample_rate;
-       block_length = bfrsz;
        options.add(param_sampleRate, sizeof(float), atom_float, &samplerate);
-       options.add(bufsz_minBlockLength, sizeof(int), atom_int, &block_length);
+       if( min_block_length > bfrsz ) min_block_length = bfrsz;
+       options.add(bufsz_minBlockLength, sizeof(int), atom_int, &min_block_length);
+       block_length = bfrsz;
        options.add(bufsz_maxBlockLength, sizeof(int), atom_int, &block_length);
        options.add(bufsz_sequenceSize, sizeof(int), atom_int, &midi_buf_size);
        options.add(ui_updateRate, sizeof(float),  atom_float, &refreshrate);
@@ -218,6 +222,7 @@ int PluginLV2::init_lv2(PluginLV2ClientConfig &conf, int sample_rate, int bfrsz)
                (lilv_plugin_has_feature(lilv, powerOf2BlockLength) ||
                 lilv_plugin_has_feature(lilv, fixedBlockLength) ||
                 lilv_plugin_has_feature(lilv, boundedBlockLength)) ? 4096 : 0;
+       init_buffer(bfrsz);
        return 0;
 }
 
@@ -414,6 +419,7 @@ PluginLV2Work *PluginLV2::get_work()
 void *PluginLV2::worker_func()
 {
        pthread_mutex_lock(&worker_lock);
+       pthread_mutex_unlock(&startup_lock);
        for(;;) {
                while( !worker_done && !work_input )
                        pthread_cond_wait(&worker_ready, &worker_lock);
@@ -437,6 +443,7 @@ void *PluginLV2::worker_func(void* vp)
 void PluginLV2::worker_start()
 {
        pthread_create(&worker_thread, 0, worker_func, this);
+       pthread_mutex_lock(&startup_lock);
 }
 
 void PluginLV2::worker_stop()