implement ca_context_playing() call

1 files changed, 28 insertions, 0 deletions

diff --git a/src/gstreamer.c b/src/gstreamer.c
index 4173479..5ff835c 100644
--- a/src/gstreamer.c
+++ b/src/gstreamer.c
@@ -552,3 +552,31 @@ int driver_cache(ca_context *c, ca_proplist *proplist) {
 
     return CA_ERROR_NOTSUPPORTED;
 }
+
+int driver_playing(ca_context *c, uint32_t id, int *playing) {
+    struct private *p;
+    struct outstanding *out;
+
+    ca_return_val_if_fail(c, CA_ERROR_INVALID);
+    ca_return_val_if_fail(c->private, CA_ERROR_STATE);
+    ca_return_val_if_fail(playing, CA_ERROR_INVALID);
+
+    p = PRIVATE(c);
+
+    *playing = 0;
+
+    ca_mutex_lock(p->outstanding_mutex);
+
+    for (out = p->outstanding; out; out = out->next) {
+
+        if (out->id != id || out->pipeline == NULL || out->dead == TRUE)
+            continue;
+
+        *playing = 1;
+        break;
+    }
+
+    ca_mutex_unlock(p->outstanding_mutex);
+
+    return CA_SUCCESS;
+}