Added pjsua_call_vid_stream_is_running() and pjmedia_vid_stream_is_running() API (closes #1379)

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@3786 74dad513-b988-da41-8d7b-12977e46ad98

2 files changed, 32 insertions, 0 deletions

diff --git a/pjmedia/include/pjmedia/vid_stream.h b/pjmedia/include/pjmedia/vid_stream.h
index 83df1167..bdd84079 100644
--- a/pjmedia/include/pjmedia/vid_stream.h
+++ b/pjmedia/include/pjmedia/vid_stream.h
@@ -287,6 +287,17 @@ PJ_DECL(pj_status_t) pjmedia_vid_stream_start(pjmedia_vid_stream *stream);
 
 
 /**
+ * Query if the stream is started on the specified direction.
+ *
+ * @param stream	The video stream.
+ * @param dir 		The direction to be checked.
+ *
+ * @return		PJ_TRUE if stream is started.
+ */
+PJ_DECL(pj_bool_t) pjmedia_vid_stream_is_running(pjmedia_vid_stream *stream,
+                                                 pjmedia_dir dir);
+
+/**
  * Pause the individual channel in the stream.
  *
  * @param stream	The video channel.
diff --git a/pjmedia/src/pjmedia/vid_stream.c b/pjmedia/src/pjmedia/vid_stream.c
index dc28fc9a..7e60ebcf 100644
--- a/pjmedia/src/pjmedia/vid_stream.c
+++ b/pjmedia/src/pjmedia/vid_stream.c
@@ -1598,6 +1598,27 @@ PJ_DEF(pj_status_t) pjmedia_vid_stream_start(pjmedia_vid_stream *stream)
 
 
 /*
+ * Check status.
+ */
+PJ_DEF(pj_bool_t) pjmedia_vid_stream_is_running(pjmedia_vid_stream *stream,
+                                                pjmedia_dir dir)
+{
+    pj_bool_t is_running = PJ_TRUE;
+
+    PJ_ASSERT_RETURN(stream, PJ_FALSE);
+
+    if (dir & PJMEDIA_DIR_ENCODING) {
+	is_running &= (stream->enc && !stream->enc->paused);
+    }
+
+    if (dir & PJMEDIA_DIR_DECODING) {
+	is_running &= (stream->dec && !stream->dec->paused);
+    }
+
+    return is_running;
+}
+
+/*
  * Pause stream.
  */
 PJ_DEF(pj_status_t) pjmedia_vid_stream_pause(pjmedia_vid_stream *stream,