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-rw-r--r--src/audio.c1
-rw-r--r--src/output_control.c2
-rw-r--r--src/output_thread.c2
3 files changed, 5 insertions, 0 deletions
diff --git a/src/audio.c b/src/audio.c
index 953b1a54e..5fb8ab0b9 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -228,6 +228,7 @@ bool playAudio(const char *buffer, size_t length)
bool ret = false;
unsigned int i;
+ assert(length > 0);
/* no partial frames allowed */
assert((length % audio_format_frame_size(&input_audio_format)) == 0);
diff --git a/src/output_control.c b/src/output_control.c
index f6ff6347a..10ad0df51 100644
--- a/src/output_control.c
+++ b/src/output_control.c
@@ -107,6 +107,8 @@ audio_output_signal(struct audio_output *ao)
void audio_output_play(struct audio_output *audioOutput,
const char *playChunk, size_t size)
{
+ assert(size > 0);
+
if (!audioOutput->open)
return;
diff --git a/src/output_thread.c b/src/output_thread.c
index 4209f2266..45acdd55f 100644
--- a/src/output_thread.c
+++ b/src/output_thread.c
@@ -65,6 +65,8 @@ static void ao_play(struct audio_output *ao)
size_t size = ao->args.play.size;
bool ret;
+ assert(size > 0);
+
if (!audio_format_equals(&ao->inAudioFormat, &ao->outAudioFormat))
convertAudioFormat(ao, &data, &size);