Big Bang

1 files changed, 80 insertions, 0 deletions

diff --git a/src/audio.c b/src/audio.c
new file mode 100644
index 0000000..0c40f9f
--- /dev/null
+++ b/src/audio.c
@@ -0,0 +1,80 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <pulse/simple.h>
+#include <pulse/error.h>
+
+#include "audio.h"
+#include "typedef.h"
+
+static const pa_sample_spec ss = {
+    .format = PA_SAMPLE_S16LE,
+    .rate = 44100,
+    .channels = 1
+};
+
+static pa_simple *play = NULL;
+
+int audip_play(char *buf)
+{
+    int ret = 1;
+    int error;
+
+    if(!play) {
+        if (!(play = pa_simple_new(NULL, __FILE__, PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, NULL, &error))) {
+            fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
+            goto finish;
+        }
+    }
+
+    if(pa_simple_write(play, buf, REC_CAP, &error) < 0) {
+                    fprintf(stderr, __FILE__": pa_simple_write() failed: %s\n", pa_strerror(error));
+            goto finish;
+    }
+
+    if(pa_simple_drain(play, &error) < 0) {
+        fprintf(stderr, __FILE__": pa_simple_drain() failed: %s\n", pa_strerror(error));
+        goto finish;
+    }
+
+    ret = 0;
+
+finish:
+
+    if (play)
+        pa_simple_free(play);
+
+    return ret;
+}
+
+int audio_record(int fd)
+{
+    pa_simple *rec = NULL;
+    int ret = 1;
+    int error;
+
+    if (!(rec = pa_simple_new(NULL, __FILE__, PA_STREAM_RECORD, NULL, "record", &ss, NULL, NULL, &error))) {
+        fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
+        goto finish;
+    }
+
+    for(;;)
+    {
+        char buf[REC_CAP];
+
+        if (pa_simple_read(rec, buf, sizeof(buf), &error) < 0) {
+            fprintf(stderr, __FILE__": pa_simple_read() failed: %s\n", pa_strerror(error));
+            goto finish;
+        }
+
+        write(fd, buf, sizeof(buf));
+    }
+
+finish:
+    if(rec)
+        pa_simple_free(rec);
+
+    return ret;
+}