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From 39de525898eea073c1f2486b99b56ef25b6df289 Mon Sep 17 00:00:00 2001
From: Rob Clark <rob@ti.com>
Date: Sun, 4 Apr 2010 06:46:21 -0500
Subject: [PATCH 04/11] v4l2sink: Add support for omap24xxvout driver
---
sys/v4l2/gstv4l2sink.c | 22 +++++++++++++++++++++-
1 files changed, 21 insertions(+), 1 deletions(-)
diff --git a/sys/v4l2/gstv4l2sink.c b/sys/v4l2/gstv4l2sink.c
index 6163747..4408428 100644
--- a/sys/v4l2/gstv4l2sink.c
+++ b/sys/v4l2/gstv4l2sink.c
@@ -888,6 +888,18 @@ gst_v4l2sink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size,
/* initialize the buffer pool if not initialized yet (first buffer): */
if (G_UNLIKELY (!v4l2sink->pool)) {
+ gboolean no_pending_streamon = FALSE;
+ char *driver = (char *) v4l2sink->v4l2object->vcap.driver;
+
+ /* the omap24xxvout driver wants us to start streaming before we
+ * queue the first buffer:
+ */
+ if (!strcmp ("omap24xxvout", driver)) {
+ GST_DEBUG_OBJECT (v4l2sink,
+ "enabling no_pending_streamon hack for omap24xxvout driver");
+ no_pending_streamon = TRUE;
+ }
+
/* set_caps() might not be called yet.. so just to make sure: */
if (!gst_v4l2sink_set_caps (bsink, caps)) {
return GST_FLOW_ERROR;
@@ -909,7 +921,14 @@ gst_v4l2sink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size,
gst_v4l2_xoverlay_prepare_xwindow_id (v4l2sink->v4l2object, TRUE);
#endif
- v4l2sink->state = STATE_PENDING_STREAMON;
+ if (no_pending_streamon) {
+ if (!gst_v4l2_object_start_streaming (v4l2sink->v4l2object)) {
+ return GST_FLOW_ERROR;
+ }
+ v4l2sink->state = STATE_STREAMING;
+ } else {
+ v4l2sink->state = STATE_PENDING_STREAMON;
+ }
GST_INFO_OBJECT (v4l2sink, "outputting buffers via mmap()");
@@ -996,6 +1015,7 @@ gst_v4l2sink_show_frame (GstBaseSink * bsink, GstBuffer * buf)
if (!gst_v4l2_buffer_pool_qbuf (v4l2sink->pool, GST_V4L2_BUFFER (buf))) {
return GST_FLOW_ERROR;
}
+
if (v4l2sink->state == STATE_PENDING_STREAMON) {
if (!gst_v4l2_object_start_streaming (v4l2sink->v4l2object)) {
return GST_FLOW_ERROR;
--
1.7.0.4
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