diff options
| -rw-r--r-- | src/jalv.c | 11 |
1 files changed, 10 insertions, 1 deletions
@@ -85,6 +85,13 @@ # define REALTIME #endif +/* Size factor for UI ring buffers. The ring size is a few times the size of + an event output to give the UI a chance to keep up. Experiments with Ingen, + which can highly saturate its event output, led me to this value. It + really ought to be enough for anybody(TM). +*/ +#define N_BUFFER_CYCLES 16 + ZixSem exit_sem; /**< Exit semaphore */ static LV2_URID @@ -236,6 +243,8 @@ create_port(Jalv* jalv, jalv->plugin, port->lilv_port, jalv->nodes.rsz_minimumSize); if (min_size && lilv_node_is_int(min_size)) { port->buf_size = lilv_node_as_int(min_size); + jalv->opts.buffer_size = MAX( + jalv->opts.buffer_size, port->buf_size * N_BUFFER_CYCLES); } lilv_node_free(min_size); @@ -1034,7 +1043,7 @@ main(int argc, char** argv) should be able to keep up with 4 cycles, and tests show this works for me, but this value might need increasing to avoid overflows. */ - jalv.opts.buffer_size = jalv.midi_buf_size * 4; + jalv.opts.buffer_size = jalv.midi_buf_size * N_BUFFER_CYCLES; } if (jalv.opts.update_rate == 0.0) { |