output_plugin: the plugin allocates the audio_output object

Pass audio_output objects around instead of void pointers.  This will
give some more control to the plugin, and prepares for non-blocking
audio outputs.

1 files changed, 22 insertions, 15 deletions

diff --git a/src/output/solaris_output_plugin.c b/src/output/solaris_output_plugin.c
index efa7a4e3..796c7806 100644
--- a/src/output/solaris_output_plugin.c
+++ b/src/output/solaris_output_plugin.c
@@ -36,6 +36,8 @@
 #define G_LOG_DOMAIN "solaris_output"
 
 struct solaris_output {
+	struct audio_output base;
+
 	/* configuration */
 	const char *device;
 
@@ -60,31 +62,35 @@ solaris_output_test_default_device(void)
 		access("/dev/audio", W_OK) == 0;
 }
 
-static void *
-solaris_output_init(G_GNUC_UNUSED const struct audio_format *audio_format,
-		    const struct config_param *param,
-		    G_GNUC_UNUSED GError **error)
+static struct audio_output *
+solaris_output_init(const struct config_param *param, GError **error_r)
 {
 	struct solaris_output *so = g_new(struct solaris_output, 1);
 
+	if (!ao_base_init(&so->base, &solaris_output_plugin, param, error_r)) {
+		g_free(so);
+		return NULL;
+	}
+
 	so->device = config_get_block_string(param, "device", "/dev/audio");
 
-	return so;
+	return &so->base;
 }
 
 static void
-solaris_output_finish(void *data)
+solaris_output_finish(struct audio_output *ao)
 {
-	struct solaris_output *so = data;
+	struct solaris_output *so = (struct solaris_output *)ao;
 
+	ao_base_finish(&so->base);
 	g_free(so);
 }
 
 static bool
-solaris_output_open(void *data, struct audio_format *audio_format,
+solaris_output_open(struct audio_output *ao, struct audio_format *audio_format,
 		    GError **error)
 {
-	struct solaris_output *so = data;
+	struct solaris_output *so = (struct solaris_output *)ao;
 	struct audio_info info;
 	int ret, flags;
 
@@ -135,17 +141,18 @@ solaris_output_open(void *data, struct audio_format *audio_format,
 }
 
 static void
-solaris_output_close(void *data)
+solaris_output_close(struct audio_output *ao)
 {
-	struct solaris_output *so = data;
+	struct solaris_output *so = (struct solaris_output *)ao;
 
 	close(so->fd);
 }
 
 static size_t
-solaris_output_play(void *data, const void *chunk, size_t size, GError **error)
+solaris_output_play(struct audio_output *ao, const void *chunk, size_t size,
+		    GError **error)
 {
-	struct solaris_output *so = data;
+	struct solaris_output *so = (struct solaris_output *)ao;
 	ssize_t nbytes;
 
 	nbytes = write(so->fd, chunk, size);
@@ -159,9 +166,9 @@ solaris_output_play(void *data, const void *chunk, size_t size, GError **error)
 }
 
 static void
-solaris_output_cancel(void *data)
+solaris_output_cancel(struct audio_output *ao)
 {
-	struct solaris_output *so = data;
+	struct solaris_output *so = (struct solaris_output *)ao;
 
 	ioctl(so->fd, I_FLUSH);
 }