static gboolean
setup_pipeline (void)
{
gboolean res = TRUE;
GstBus *bus;
GstElement *sink = NULL, *ipp = NULL;
GstEncodingProfile *prof = NULL;
camerabin = gst_element_factory_make ("camerabin2", NULL);
if (NULL == camerabin) {
g_warning ("can't create camerabin element\n");
goto error;
}
bus = gst_pipeline_get_bus (GST_PIPELINE (camerabin));
/* Add sync handler for time critical messages that need to be handled fast */
gst_bus_set_sync_handler (bus, sync_bus_callback, NULL);
/* Handle normal messages asynchronously */
gst_bus_add_watch (bus, bus_callback, NULL);
gst_object_unref (bus);
GST_INFO_OBJECT (camerabin, "camerabin2 created");
if (videosrc_name) {
GstElement *wrapper;
GstElement *videosrc;
if (wrappersrc_name)
wrapper = gst_element_factory_make (wrappersrc_name, NULL);
else
wrapper = gst_element_factory_make ("wrappercamerabinsrc", NULL);
if (setup_pipeline_element (wrapper, "video-src", videosrc_name, NULL)) {
g_object_set (camerabin, "camera-src", wrapper, NULL);
} else {
GST_WARNING ("Failed to set videosrc to %s", videosrc_name);
}
g_object_get (wrapper, "video-src", &videosrc, NULL);
if (videosrc && videodevice_name &&
g_object_class_find_property (G_OBJECT_GET_CLASS (videosrc),
"device")) {
g_object_set (videosrc, "device", videodevice_name, NULL);
}
}
/* configure used elements */
res &= setup_pipeline_element (camerabin, "audio-src", audiosrc_name, NULL);
res &= setup_pipeline_element (camerabin, "viewfinder-sink", vfsink_name,
&sink);
res &= setup_pipeline_element (camerabin, "viewfinder-filter",
viewfinder_filter, NULL);
if (imagepp_name) {
ipp = create_ipp_bin ();
if (ipp)
g_object_set (camerabin, "image-filter", ipp, NULL);
else
GST_WARNING ("Could not create ipp elements");
}
prof = load_encoding_profile ();
if (prof)
g_object_set (G_OBJECT (camerabin), "video-profile", prof, NULL);
GST_INFO_OBJECT (camerabin, "elements created");
if (sink)
g_object_set (sink, "sync", TRUE, NULL);
GST_INFO_OBJECT (camerabin, "elements configured");
/* configure a resolution and framerate */
if (image_width > 0 && image_height > 0) {
if (mode == MODE_VIDEO) {
GstCaps *caps = NULL;
if (view_framerate_num > 0)
caps = gst_caps_new_full (gst_structure_new ("video/x-raw-yuv",
"width", G_TYPE_INT, image_width,
"height", G_TYPE_INT, image_height,
"framerate", GST_TYPE_FRACTION, view_framerate_num,
view_framerate_den, NULL),
gst_structure_new ("video/x-raw-rgb",
"width", G_TYPE_INT, image_width,
"height", G_TYPE_INT, image_height,
"framerate", GST_TYPE_FRACTION, view_framerate_num,
view_framerate_den, NULL), NULL);
else
caps = gst_caps_new_full (gst_structure_new ("video/x-raw-yuv",
"width", G_TYPE_INT, image_width,
"height", G_TYPE_INT, image_height, NULL),
gst_structure_new ("video/x-raw-rgb",
"width", G_TYPE_INT, image_width,
"height", G_TYPE_INT, image_height, NULL), NULL);
g_object_set (camerabin, "video-capture-caps", caps, NULL);
gst_caps_unref (caps);
} else {
GstCaps *caps = gst_caps_new_full (gst_structure_new ("video/x-raw-yuv",
"width", G_TYPE_INT, image_width,
"height", G_TYPE_INT, image_height, NULL),
gst_structure_new ("video/x-raw-rgb",
"width", G_TYPE_INT, image_width,
"height", G_TYPE_INT, image_height, NULL), NULL);
g_object_set (camerabin, "image-capture-caps", caps, NULL);
gst_caps_unref (caps);
}
}
set_camerabin2_caps_from_string ();
if (GST_STATE_CHANGE_FAILURE ==
gst_element_set_state (camerabin, GST_STATE_READY)) {
g_warning ("can't set camerabin to ready\n");
goto error;
}
GST_INFO_OBJECT (camerabin, "camera ready");
if (GST_STATE_CHANGE_FAILURE ==
gst_element_set_state (camerabin, GST_STATE_PLAYING)) {
g_warning ("can't set camerabin to playing\n");
goto error;
}
GST_INFO_OBJECT (camerabin, "camera started");
return TRUE;
error:
cleanup_pipeline ();
return FALSE;
}
static gboolean
setup_pipeline (void)
{
GstBus *bus;
gboolean res = TRUE;
GstElement *vmux = NULL, *ienc = NULL, *sink = NULL, *aenc = NULL, *ipp =
NULL;
GstCaps *filter_caps = NULL;
camera_bin = gst_element_factory_make ("camerabin", NULL);
if (NULL == camera_bin) {
g_warning ("can't create camerabin element\n");
goto error;
}
g_object_set (camera_bin, "flags", flags, NULL);
g_signal_connect (camera_bin, "image-done", (GCallback) img_capture_done,
NULL);
bus = gst_pipeline_get_bus (GST_PIPELINE (camera_bin));
/* Add sync handler for time critical messages that need to be handled fast */
gst_bus_set_sync_handler (bus, sync_bus_callback, NULL);
/* Handle normal messages asynchronously */
gst_bus_add_watch (bus, bus_callback, NULL);
gst_object_unref (bus);
GST_INFO_OBJECT (camera_bin, "camerabin created");
/* configure used elements */
res &= setup_pipeline_element ("viewfinder-sink", vfsink_name, &sink);
res &= setup_pipeline_element ("audio-source", audiosrc_name, NULL);
res &= setup_pipeline_element ("video-source", videosrc_name, NULL);
res &= setup_pipeline_element ("video-source-filter", video_src_filter, NULL);
res &= setup_pipeline_element ("viewfinder-filter", viewfinder_filter, NULL);
if (audioenc_name) {
aenc = create_audioencoder_bin ();
if (aenc)
g_object_set (camera_bin, "audio-encoder", aenc, NULL);
else
GST_WARNING ("Could not make audio encoder element");
}
if (imagepp_name) {
ipp = create_ipp_bin ();
if (ipp)
g_object_set (camera_bin, "image-post-processing", ipp, NULL);
else
GST_WARNING ("Could not create ipp elements");
}
res &= setup_pipeline_element ("video-encoder", videoenc_name, NULL);
res &= setup_pipeline_element ("image-encoder", imageenc_name, &ienc);
res &= setup_pipeline_element ("image-formatter", imageformatter_name, NULL);
res &= setup_pipeline_element ("video-muxer", videomux_name, &vmux);
if (!res) {
goto error;
}
GST_INFO_OBJECT (camera_bin, "elements created");
/* set properties */
if (src_format) {
filter_caps = gst_caps_from_string (src_format);
} else if (src_csp && strlen (src_csp) == 4) {
/* Set requested colorspace format, this is needed if the default
colorspace negotiated for viewfinder doesn't match with e.g. encoders. */
filter_caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC,
GST_MAKE_FOURCC (src_csp[0], src_csp[1], src_csp[2], src_csp[3]), NULL);
}
if (filter_caps) {
g_object_set (camera_bin, "filter-caps", filter_caps, NULL);
gst_caps_unref (filter_caps);
}
g_object_set (sink, "sync", TRUE, NULL);
GST_INFO_OBJECT (camera_bin, "elements configured");
/* configure a resolution and framerate */
if (mode == 1) {
g_signal_emit_by_name (camera_bin, "set-video-resolution-fps", image_width,
image_height, view_framerate_num, view_framerate_den, NULL);
} else {
g_signal_emit_by_name (camera_bin, "set-image-resolution", image_width,
image_height, NULL);
}
if (GST_STATE_CHANGE_FAILURE ==
gst_element_set_state (camera_bin, GST_STATE_READY)) {
g_warning ("can't set camerabin to ready\n");
goto error;
}
GST_INFO_OBJECT (camera_bin, "camera ready");
if (GST_STATE_CHANGE_FAILURE ==
gst_element_set_state (camera_bin, GST_STATE_PLAYING)) {
g_warning ("can't set camerabin to playing\n");
goto error;
}
GST_INFO_OBJECT (camera_bin, "camera started");
return TRUE;
error:
cleanup_pipeline ();
return FALSE;
}