diff options
Diffstat (limited to 'src/portaudio.c')
| -rw-r--r-- | src/portaudio.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/portaudio.c b/src/portaudio.c index d0c4aa3..516b1a8 100644 --- a/src/portaudio.c +++ b/src/portaudio.c @@ -1,4 +1,4 @@ -// Copyright 2007-2022 David Robillard <d@drobilla.net> +// Copyright 2007-2024 David Robillard <d@drobilla.net> // SPDX-License-Identifier: ISC #include "backend.h" @@ -18,12 +18,25 @@ #include <stdint.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> struct JalvBackendImpl { PaStream* stream; }; static int +process_silent(Jalv* const jalv, + void* const outputs, + const unsigned long nframes) +{ + for (uint32_t i = 0; i < jalv->num_ports; ++i) { + memset(((float**)outputs)[i], '\0', nframes * sizeof(float)); + } + + return jalv_bypass(jalv, nframes); +} + +static int pa_process_cb(const void* inputs, void* outputs, unsigned long nframes, @@ -36,6 +49,11 @@ pa_process_cb(const void* inputs, Jalv* jalv = (Jalv*)handle; + // If execution is paused, emit silence and return + if (jalv->run_state == JALV_PAUSED) { + return process_silent(jalv, outputs, nframes); + } + // Prepare port buffers uint32_t in_index = 0; uint32_t out_index = 0; |