diff options
Diffstat (limited to 'media-libs/gst-plugins-good/files/gst-0.10.27-0002-v4l2sink-Add-rotation-support.patch')
-rw-r--r-- | media-libs/gst-plugins-good/files/gst-0.10.27-0002-v4l2sink-Add-rotation-support.patch | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/media-libs/gst-plugins-good/files/gst-0.10.27-0002-v4l2sink-Add-rotation-support.patch b/media-libs/gst-plugins-good/files/gst-0.10.27-0002-v4l2sink-Add-rotation-support.patch new file mode 100644 index 0000000..11b777c --- /dev/null +++ b/media-libs/gst-plugins-good/files/gst-0.10.27-0002-v4l2sink-Add-rotation-support.patch @@ -0,0 +1,128 @@ +From d43a9444fc5f7655a8acd2978039667a04222ba0 Mon Sep 17 00:00:00 2001 +From: Kiran Nataraju <knataraju@ti.com> +Date: Fri, 27 Aug 2010 09:00:57 +0200 +Subject: [PATCH 02/11] v4l2sink: Add rotation support. + +Signed-off-by: Kiran Nataraju <knataraju@ti.com> +Signed-off-by: Daniel Diaz <ddiaz@ti.com> +--- + sys/v4l2/gstv4l2sink.c | 34 ++++++++++++++++++++++++++++++++++ + sys/v4l2/gstv4l2sink.h | 1 + + 2 files changed, 35 insertions(+), 0 deletions(-) + +diff --git a/sys/v4l2/gstv4l2sink.c b/sys/v4l2/gstv4l2sink.c +index aa6785c..5abf915 100644 +--- a/sys/v4l2/gstv4l2sink.c ++++ b/sys/v4l2/gstv4l2sink.c +@@ -72,6 +72,10 @@ GST_DEBUG_CATEGORY (v4l2sink_debug); + #define PROP_DEF_MIN_QUEUED_BUFS 1 + #define DEFAULT_PROP_DEVICE "/dev/video1" + ++#define MIN_ROTATION_ANGLE 0 ++#define MAX_ROTATION_ANGLE 360 ++#define DEFAULT_ROTATION_ANGLE 0 ++ + enum + { + PROP_0, +@@ -86,6 +90,7 @@ enum + PROP_CROP_LEFT, + PROP_CROP_WIDTH, + PROP_CROP_HEIGHT, ++ PROP_ROTATION, + }; + + +@@ -220,6 +225,7 @@ static GstFlowReturn gst_v4l2sink_buffer_alloc (GstBaseSink * bsink, + guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf); + static GstFlowReturn gst_v4l2sink_show_frame (GstBaseSink * bsink, + GstBuffer * buf); ++static void gst_v4l2sink_set_rotation (GstV4l2Sink * v4l2sink); + + static void + gst_v4l2sink_base_init (gpointer g_class) +@@ -306,6 +312,11 @@ gst_v4l2sink_class_init (GstV4l2SinkClass * klass) + "The height of the video crop; default is equal to negotiated image height", + 0, 0xffffffff, 0, G_PARAM_READWRITE)); + ++ g_object_class_install_property (gobject_class, PROP_ROTATION, ++ g_param_spec_int ("rotation", "Rotation angle", ++ "Rotation angle for the image", MIN_ROTATION_ANGLE, ++ MAX_ROTATION_ANGLE, DEFAULT_ROTATION_ANGLE, G_PARAM_READWRITE)); ++ + basesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_v4l2sink_get_caps); + basesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_v4l2sink_set_caps); + basesink_class->buffer_alloc = GST_DEBUG_FUNCPTR (gst_v4l2sink_buffer_alloc); +@@ -336,6 +347,7 @@ gst_v4l2sink_init (GstV4l2Sink * v4l2sink, GstV4l2SinkClass * klass) + v4l2sink->overlay_fields_set = 0; + v4l2sink->crop_fields_set = 0; + v4l2sink->state = 0; ++ v4l2sink->rotation = 0; + } + + +@@ -475,6 +487,20 @@ gst_v4l2sink_sync_crop_fields (GstV4l2Sink * v4l2sink) + } + } + ++static void ++gst_v4l2sink_set_rotation (GstV4l2Sink * v4l2sink) ++{ ++ if (GST_V4L2_IS_OPEN (v4l2sink->v4l2object)) { ++ struct v4l2_control control; ++ gint fd = v4l2sink->v4l2object->video_fd; ++ ++ memset (&control, 0x00, sizeof (struct v4l2_control)); ++ control.id = V4L2_CID_ROTATE; ++ control.value = v4l2sink->rotation; ++ g_return_if_fail (v4l2_ioctl (fd, VIDIOC_S_CTRL, &control) >= 0); ++ } ++} ++ + + static void + gst_v4l2sink_set_property (GObject * object, +@@ -531,6 +557,10 @@ gst_v4l2sink_set_property (GObject * object, + v4l2sink->crop_fields_set |= RECT_HEIGHT_SET; + gst_v4l2sink_sync_crop_fields (v4l2sink); + break; ++ case PROP_ROTATION: ++ v4l2sink->rotation = g_value_get_int (value); ++ gst_v4l2sink_set_rotation (v4l2sink); ++ break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; +@@ -578,6 +608,9 @@ gst_v4l2sink_get_property (GObject * object, + case PROP_CROP_HEIGHT: + g_value_set_uint (value, v4l2sink->crop.height); + break; ++ case PROP_ROTATION: ++ g_value_set_int (value, v4l2sink->rotation); ++ break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; +@@ -600,6 +633,7 @@ gst_v4l2sink_change_state (GstElement * element, GstStateChange transition) + /* open the device */ + if (!gst_v4l2_object_start (v4l2sink->v4l2object)) + return GST_STATE_CHANGE_FAILURE; ++ gst_v4l2sink_set_rotation (v4l2sink); + break; + default: + break; +diff --git a/sys/v4l2/gstv4l2sink.h b/sys/v4l2/gstv4l2sink.h +index 8fe8222..1239621 100644 +--- a/sys/v4l2/gstv4l2sink.h ++++ b/sys/v4l2/gstv4l2sink.h +@@ -75,6 +75,7 @@ struct _GstV4l2Sink { + guint8 overlay_fields_set, crop_fields_set; + + guint8 state; ++ gint rotation; + }; + + struct _GstV4l2SinkClass { +-- +1.7.1 + |