From 8412207d21af9b94c5bc6d36bbf850a80f7856a4 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <mailroxas@gmail.com>
Date: Sat, 3 Nov 2018 17:50:26 +0200
Subject: check that device has been started
---
src/pcm.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/pcm.c b/src/pcm.c
index 7b33a1b..56e1cca 100644
--- a/src/pcm.c
+++ b/src/pcm.c
@@ -458,6 +458,11 @@ snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
return 0;
}
+ if (!pcm->started) {
+ WARNX1("playback hasn't been started");
+ return 0;
+ }
+
const struct io io = { .read = cb_buffer_read, .write = cb_sio_write };
struct io_state state = { .pcm = pcm, .ptr = buffer, .end = (unsigned char*)buffer + snd_pcm_frames_to_bytes(pcm, size) };
@@ -499,6 +504,11 @@ snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
return 0;
}
+ if (!pcm->started) {
+ WARNX1("recording hasn't been started");
+ return 0;
+ }
+
const struct io io = { .read = cb_sio_read, .write = cb_buffer_write };
struct io_state state = { .pcm = pcm, .ptr = buffer, .end = (unsigned char*)buffer + snd_pcm_frames_to_bytes(pcm, size) };
--
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