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euresyssrc: fix caps handling for 1.0

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This commit is contained in:
Joshua M. Doe 2013-12-12 09:23:25 -05:00
parent ed9bf8f384
commit ffe08ccf28
1 changed files with 94 additions and 41 deletions
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135
sys/euresys/gsteuresyssrc.c
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@ -60,6 +60,8 @@ static void gst_euresys_dispose (GObject * object);
static gboolean gst_euresys_start (GstBaseSrc * src);
static gboolean gst_euresys_stop (GstBaseSrc * src);
static GstCaps *gst_euresys_get_caps (GstBaseSrc * bsrc, GstCaps * filter);
static gboolean gst_euresys_set_caps (GstBaseSrc * bsrc, GstCaps * caps);
static GstFlowReturn gst_euresys_fill (GstPushSrc * src, GstBuffer * buf);
@ -236,15 +238,19 @@ gst_euresys_class_init (GstEuresysClass * klass)
g_object_class_install_property (gobject_class, PROP_BOARD_INDEX,
g_param_spec_int ("board", "Board", "Index of board connected to camera",
0, 15, DEFAULT_PROP_BOARD_INDEX,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_CAMERA_TYPE,
g_param_spec_enum ("camera", "Camera", "Camera type",
GST_TYPE_EURESYS_CAMERA, DEFAULT_PROP_CAMERA_TYPE,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE |
GST_PARAM_MUTABLE_READY));
g_object_class_install_property (gobject_class, PROP_CONNECTOR,
g_param_spec_enum ("connector", "Connector",
"Connector where camera is attached", GST_TYPE_EURESYS_CONNECTOR,
DEFAULT_PROP_CONNECTOR, G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
DEFAULT_PROP_CONNECTOR,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE |
GST_PARAM_MUTABLE_READY));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_euresys_src_template));
@ -256,6 +262,8 @@ gst_euresys_class_init (GstEuresysClass * klass)
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_euresys_start);
gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_euresys_stop);
gstbasesrc_class->get_caps = GST_DEBUG_FUNCPTR (gst_euresys_get_caps);
gstbasesrc_class->set_caps = GST_DEBUG_FUNCPTR (gst_euresys_set_caps);
gstpushsrc_class->fill = GST_DEBUG_FUNCPTR (gst_euresys_fill);
}
@ -346,15 +354,10 @@ gst_euresys_dispose (GObject * object)
}
static gboolean
gst_euresys_start (GstBaseSrc * src)
gst_euresys_start (GstBaseSrc * bsrc)
{
GstEuresys *euresys = GST_EURESYS (src);
GstEuresys *euresys = GST_EURESYS (bsrc);
MCSTATUS status = 0;
INT32 colorFormat;
GstVideoFormat videoFormat;
GstCaps *caps;
GstVideoInfo vinfo;
gint32 width, height;
GST_DEBUG_OBJECT (euresys, "start");
@ -443,36 +446,6 @@ gst_euresys_start (GstBaseSrc * src)
goto error;
}
status = McGetParamInt (euresys->hChannel, MC_ColorFormat, &colorFormat);
status |= McGetParamInt (euresys->hChannel, MC_ImageSizeX, &width);
status |= McGetParamInt (euresys->hChannel, MC_ImageSizeY, &height);
if (status != MC_OK) {
GST_ELEMENT_ERROR (euresys, RESOURCE, SETTINGS,
(("Failed to get color format, width, and height.")), (NULL));
goto error;
}
videoFormat = gst_euresys_color_format_to_video_format (colorFormat);
if (videoFormat == GST_VIDEO_FORMAT_UNKNOWN) {
GST_ELEMENT_ERROR (euresys, STREAM, WRONG_TYPE,
(("Unknown or unsupported color format.")), (NULL));
goto error;
}
gst_video_info_init (&vinfo);
vinfo.width = width;
vinfo.height = height;
vinfo.finfo = gst_video_format_get_info (videoFormat);
caps = gst_video_info_to_caps (&vinfo);
if (caps == NULL) {
GST_ELEMENT_ERROR (euresys, STREAM, TOO_LAZY,
(("Failed to generate caps from video format.")), (NULL));
goto error;
}
return TRUE;
error:
@ -508,6 +481,86 @@ gst_euresys_stop (GstBaseSrc * src)
return TRUE;
}
static GstCaps *
gst_euresys_get_camera_caps (GstEuresys * src)
{
INT32 colorFormat;
GstVideoFormat videoFormat;
GstCaps *caps;
GstVideoInfo vinfo;
gint32 width, height;
int status;
g_assert (src->hChannel != 0);
status = McGetParamInt (src->hChannel, MC_ColorFormat, &colorFormat);
status |= McGetParamInt (src->hChannel, MC_ImageSizeX, &width);
status |= McGetParamInt (src->hChannel, MC_ImageSizeY, &height);
if (status != MC_OK) {
GST_ELEMENT_ERROR (src, RESOURCE, SETTINGS,
(("Failed to get color format, width, and/or height.")), (NULL));
return NULL;
}
videoFormat = gst_euresys_color_format_to_video_format (colorFormat);
if (videoFormat == GST_VIDEO_FORMAT_UNKNOWN) {
GST_ELEMENT_ERROR (src, STREAM, WRONG_TYPE,
(("Unknown or unsupported color format.")), (NULL));
return NULL;
}
gst_video_info_init (&vinfo);
vinfo.width = width;
vinfo.height = height;
vinfo.finfo = gst_video_format_get_info (videoFormat);
caps = gst_video_info_to_caps (&vinfo);
if (caps == NULL) {
GST_ELEMENT_ERROR (src, STREAM, TOO_LAZY,
(("Failed to generate caps from video format.")), (NULL));
return NULL;
}
return caps;
}
static GstCaps *
gst_euresys_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
{
GstEuresys *src = GST_EURESYS (bsrc);
GstCaps *caps;
if (src->hChannel == 0)
caps = gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (src));
else
caps = gst_euresys_get_camera_caps (src);
if (filter && caps) {
GstCaps *tmp = gst_caps_intersect (caps, filter);
gst_caps_unref (caps);
caps = tmp;
}
return caps;
}
static gboolean
gst_euresys_set_caps (GstBaseSrc * bsrc, GstCaps * caps)
{
GstVideoInfo vinfo;
GST_DEBUG_OBJECT (bsrc, "set_caps with caps=%" GST_PTR_FORMAT, caps);
gst_video_info_from_caps (&vinfo, caps);
/* TODO: check stride alignment */
gst_base_src_set_blocksize (bsrc, GST_VIDEO_INFO_SIZE (&vinfo));
return TRUE;
}
GstFlowReturn
gst_euresys_fill (GstPushSrc * src, GstBuffer * buf)
{
@ -613,6 +666,6 @@ plugin_init (GstPlugin * plugin)
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
euresyssrc,
euresys,
"Euresys Multicam source",
plugin_init, VERSION, "LGPL", PACKAGE_NAME, GST_PACKAGE_ORIGIN)