static GstElement *
kms_recorder_endpoint_get_sink_fallback (KmsRecorderEndpoint * self)
{
GstElement *sink = NULL;
gchar *prot;
prot = gst_uri_get_protocol (KMS_URI_ENDPOINT (self)->uri);
if ((g_strcmp0 (prot, HTTP_PROTO) == 0)
|| (g_strcmp0 (prot, HTTPS_PROTO) == 0)) {
if (kms_is_valid_uri (KMS_URI_ENDPOINT (self)->uri)) {
/* We use souphttpclientsink */
sink = gst_element_factory_make ("curlhttpsink", NULL);
g_object_set (sink, "blocksize", MEGA_BYTES (1), "qos", FALSE,
"async", FALSE, NULL);
} else {
GST_ERROR ("URL not valid");
}
}
g_free (prot);
/* Add more if required */
return sink;
}
/**
* Set the context attribute for URI
*
* \param me element context whose attribute is being set
* \param uri the value to which the attribute should be set
* \return true if the value was set, false if some error occured
*/
static gboolean
gst_ccnxsrc_set_uri (Gstccnxsrc * me, const gchar * uri)
{
gchar *protocol;
gchar *location;
gchar *colptr;
/* cast to the proper type, then do some basic checks */
/* we are specific as to what protocol can be used in the URI */
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "ccnx") != 0)
goto wrong_protocol;
g_free (protocol);
location = gst_uri_get_location (uri);
if (!location)
return FALSE;
colptr = strrchr (location, ':');
g_free (location);
/* Free the old value before setting to the new attribute value */
g_free (me->uri);
me->uri = g_strdup (uri);
return TRUE;
/* ERRORS */
wrong_protocol:
{
GST_ELEMENT_ERROR (me, RESOURCE, READ, (NULL),
("error parsing uri %s: wrong protocol (%s != ccnx)", uri, protocol));
g_free (protocol);
return FALSE;
}
}
static gboolean
cdaudio_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol, *location;
gboolean ret;
ret = TRUE;
//GstCDAudio *cdaudio = GST_CDAUDIO(handler);
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "cd") != 0)
goto wrong_protocol;
g_free (protocol);
location = gst_uri_get_location (uri);
/*
cdaudio->uri_track = strtol(location,NULL,10);
if (cdaudio->uri_track > 0) {
cdaudio->seek_request = cdaudio->uri_track;
}
*/
g_free (location);
return ret;
/* ERRORS */
wrong_protocol:
{
g_free (protocol);
return FALSE;
}
}
static GstElement *
kms_recorder_end_point_get_sink_fallback (KmsRecorderEndPoint * self)
{
GstElement *sink = NULL;
gchar *prot;
prot = gst_uri_get_protocol (KMS_URI_END_POINT (self)->uri);
if ((g_strcmp0 (prot, HTTP_PROTO) == 0)
|| (g_strcmp0 (prot, HTTPS_PROTO) == 0)) {
SoupSession *ss;
if (kms_is_valid_uri (KMS_URI_END_POINT (self)->uri)) {
/* We use souphttpclientsink */
sink = gst_element_factory_make ("souphttpclientsink", NULL);
g_object_set (sink, "blocksize", MEGA_BYTES (1), NULL);
ss = soup_session_new_with_options ("timeout", HTTP_TIMEOUT,
"ssl-strict", FALSE, NULL);
g_object_set (G_OBJECT (sink), "session", ss, NULL);
} else {
GST_ERROR ("URL not valid");
}
}
/* Add more if required */
return sink;
}
static gboolean
dvb_base_bin_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gboolean ret;
gchar *protocol;
DvbBaseBin *dvbbasebin = GST_DVB_BASE_BIN (handler);
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "dvb") != 0) {
ret = FALSE;
} else {
gchar *location = gst_uri_get_location (uri);
if (location != NULL) {
ret = set_properties_for_channel (G_OBJECT (dvbbasebin), location);
g_free (location);
} else
ret = FALSE;
}
/* here is where we parse channels.conf */
g_free (protocol);
return ret;
}
static gboolean
gst_hdv1394src_uri_set_uri (GstURIHandler * handler, const gchar * uri,
GError ** error)
{
gchar *protocol, *location;
gboolean ret = TRUE;
GstHDV1394Src *gst_hdv1394src = GST_HDV1394SRC (handler);
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "hdv") != 0) {
g_free (protocol);
g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
"Invalid HDV URI");
return FALSE;
}
g_free (protocol);
location = gst_uri_get_location (uri);
if (location && *location != '\0')
gst_hdv1394src->port = strtol (location, NULL, 10);
else
gst_hdv1394src->port = DEFAULT_PORT;
g_free (location);
g_free (gst_hdv1394src->uri);
gst_hdv1394src->uri = g_strdup_printf ("hdv://%d", gst_hdv1394src->port);
return ret;
}
static gboolean
gst_fd_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol;
GstFdSrc *src = GST_FD_SRC (handler);
gint fd;
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "fd") != 0) {
g_free (protocol);
return FALSE;
}
g_free (protocol);
if (sscanf (uri, "fd://%d", &fd) != 1 || fd < 0)
return FALSE;
src->new_fd = fd;
GST_OBJECT_LOCK (src);
if (GST_STATE (GST_ELEMENT (src)) <= GST_STATE_READY) {
gst_fd_src_update_fd (src);
}
GST_OBJECT_UNLOCK (src);
return TRUE;
}
static gboolean
make_source (GstUriTranscodeBin * self)
{
GError *err = NULL;
if (!gst_uri_is_valid (self->source_uri))
goto invalid_uri;
self->src = gst_element_make_from_uri (GST_URI_SRC, self->source_uri,
"src", &err);
if (!self->src)
goto no_sink;
gst_bin_add (GST_BIN (self), self->src);
if (!gst_element_link (self->src, self->transcodebin))
return FALSE;
return TRUE;
invalid_uri:
{
GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND,
("Invalid URI \"%s\".", self->source_uri), (NULL));
g_clear_error (&err);
return FALSE;
}
no_sink:
{
/* whoops, could not create the source element, dig a little deeper to
* figure out what might be wrong. */
if (err != NULL && err->code == GST_URI_ERROR_UNSUPPORTED_PROTOCOL) {
gchar *prot;
prot = gst_uri_get_protocol (self->source_uri);
if (prot == NULL)
goto invalid_uri;
gst_element_post_message (GST_ELEMENT_CAST (self),
gst_missing_uri_source_message_new (GST_ELEMENT (self), prot));
GST_ELEMENT_ERROR (self, CORE, MISSING_PLUGIN,
("No URI handler implemented for \"%s\".", prot), (NULL));
g_free (prot);
} else {
GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND,
("%s", (err) ? err->message : "URI was not accepted by any element"),
("No element accepted URI '%s'", self->dest_uri));
}
g_clear_error (&err);
return FALSE;
}
}
static gboolean
gst_spot_src_set_spotifyuri (GstSpotSrc * spot, const gchar * uri)
{
GstState state;
gchar *protocol = NULL;
gchar *location;
/* hopefully not possible */
g_assert (uri);
/* the element must be stopped in order to do this */
state = GST_STATE (spot);
if (state != GST_STATE_READY && state != GST_STATE_NULL) {
GST_WARNING_OBJECT (spot, "Setting spotify_uri in wrong state");
goto wrong_state;
}
if (!gst_uri_is_valid (uri)) {
GST_WARNING_OBJECT (spot, "Invalid URI '%s' for spotsrc", uri);
goto invalid_uri;
}
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "spotify") != 0) {
GST_WARNING_OBJECT (spot, "Setting spotify_uri with wrong protocol");
goto wrong_protocol;
}
g_free (protocol);
location = gst_uri_get_location (uri);
if (!location) {
GST_WARNING_OBJECT (spot, "Setting spotify_uri with wrong/no location");
goto wrong_location;
}
/* we store the spotify_uri as received by the application. On Windoes this
* should be UTF8 */
g_free (GST_SPOT_SRC_URI (spot));
GST_SPOT_SRC_URI (spot) = g_strdup (uri);
g_object_notify (G_OBJECT (spot), "uri"); /* why? */
gst_uri_handler_new_uri (GST_URI_HANDLER (spot), spot->uri);
return TRUE;
/* ERROR */
invalid_uri:
wrong_protocol:
g_free (protocol);
wrong_state:
wrong_location:
return FALSE;
}
static gboolean
hls_test_start (InsanityTest * test)
{
GValue uri = { 0 };
const char *protocol;
gchar *playlist, *hlsuri, *source_folder, *folder_uri;
SoupServer *ssl_server;
guint port, ssl_port;
if (!insanity_test_get_argument (test, "uri", &uri))
return FALSE;
if (!strcmp (g_value_get_string (&uri), "")) {
insanity_test_validate_checklist_item (test, "uri-is-file", FALSE,
"No URI to test on");
g_value_unset (&uri);
return FALSE;
}
if (!gst_uri_is_valid (g_value_get_string (&uri))) {
insanity_test_validate_checklist_item (test, "uri-is-file", FALSE, NULL);
g_value_unset (&uri);
return FALSE;
}
protocol = gst_uri_get_protocol (g_value_get_string (&uri));
if (!protocol || g_ascii_strcasecmp (protocol, "file")) {
insanity_test_validate_checklist_item (test, "uri-is-file", FALSE, NULL);
g_value_unset (&uri);
return FALSE;
}
insanity_test_validate_checklist_item (test, "uri-is-file", TRUE, NULL);
source_folder = gst_uri_get_location (g_value_get_string (&uri));
folder_uri = g_path_get_dirname (source_folder);
insanity_http_server_set_source_folder (glob_server, folder_uri);
g_value_unset (&uri);
port = insanity_http_server_get_port (glob_server);
ssl_port = insanity_http_server_get_ssl_port (glob_server);
ssl_server = insanity_http_server_get_soup_ssl_server (glob_server);
playlist = g_path_get_basename (source_folder);
if (ssl_server) {
hlsuri = g_strdup_printf ("http://127.0.0.1:%u/%s", ssl_port, playlist);
} else {
hlsuri = g_strdup_printf ("http://127.0.0.1:%u/%s", port, playlist);
}
g_free (source_folder);
g_object_set (glob_pipeline, "uri", hlsuri, NULL);
g_free (hlsuri);
glob_validate_on_playing = NULL;
glob_done_hls = FALSE;
glob_duration = GST_CLOCK_TIME_NONE;
return TRUE;
}
static gboolean
gst_app_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol;
gboolean ret;
protocol = gst_uri_get_protocol (uri);
ret = !strcmp (protocol, "appsrc");
g_free (protocol);
return ret;
}
static gboolean
gst_mms_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol;
GstMMS *src = GST_MMS (handler);
protocol = gst_uri_get_protocol (uri);
if ((strcmp (protocol, "mms") != 0) && (strcmp (protocol, "mmsh") != 0)) {
g_free (protocol);
return FALSE;
}
g_free (protocol);
g_object_set (src, "location", uri, NULL);
return TRUE;
}
static gboolean
gst_file_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol, *location;
gboolean ret;
GstFileSrc *src = GST_FILE_SRC (handler);
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "file") != 0) {
g_free (protocol);
return FALSE;
}
g_free (protocol);
/* allow file://localhost/foo/bar by stripping localhost but fail
* for every other hostname */
if (g_str_has_prefix (uri, "file://localhost/")) {
char *tmp;
/* 16 == strlen ("file://localhost") */
tmp = g_strconcat ("file://", uri + 16, NULL);
/* we use gst_uri_get_location() although we already have the
* "location" with uri + 16 because it provides unescaping */
location = gst_uri_get_location (tmp);
g_free (tmp);
} else if (strcmp (uri, "file://") == 0) {
/* Special case for "file://" as this is used by some applications
* to test with gst_element_make_from_uri if there's an element
* that supports the URI protocol. */
gst_file_src_set_location (src, NULL);
return TRUE;
} else {
location = gst_uri_get_location (uri);
}
if (!location)
return FALSE;
if (!g_path_is_absolute (location)) {
g_free (location);
return FALSE;
}
ret = gst_file_src_set_location (src, location);
g_free (location);
return ret;
}
static gchar *
gst_mms_src_make_valid_uri (const gchar * uri)
{
gchar *protocol;
const gchar *colon, *tmp;
gsize len;
if (!uri || !gst_uri_is_valid (uri))
return NULL;
protocol = gst_uri_get_protocol (uri);
if ((strcmp (protocol, "mms") != 0) && (strcmp (protocol, "mmsh") != 0) &&
(strcmp (protocol, "mmst") != 0) && (strcmp (protocol, "mmsu") != 0)) {
g_free (protocol);
return FALSE;
}
g_free (protocol);
colon = strstr (uri, "://");
if (!colon)
return NULL;
tmp = colon + 3;
len = strlen (tmp);
if (len == 0)
return NULL;
/* libmms segfaults if there's no hostname or
* no / after the hostname
*/
colon = strstr (tmp, "/");
if (colon == tmp)
return NULL;
if (strstr (tmp, "/") == NULL) {
gchar *ret;
len = strlen (uri);
ret = g_malloc0 (len + 2);
memcpy (ret, uri, len);
ret[len] = '/';
return ret;
} else {
return g_strdup (uri);
}
}
static gboolean
gst_fd_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol, *q;
GstFdSrc *src = GST_FD_SRC (handler);
gint fd;
guint64 size = -1;
GST_INFO_OBJECT (src, "checking uri %s", uri);
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "fd") != 0) {
g_free (protocol);
return FALSE;
}
g_free (protocol);
if (sscanf (uri, "fd://%d", &fd) != 1 || fd < 0)
return FALSE;
if ((q = g_strstr_len (uri, -1, "?"))) {
gchar *sp;
GST_INFO_OBJECT (src, "found ?");
if ((sp = g_strstr_len (q, -1, "size="))) {
if (sscanf (sp, "size=%" G_GUINT64_FORMAT, &size) != 1) {
GST_INFO_OBJECT (src, "parsing size failed");
size = -1;
} else {
GST_INFO_OBJECT (src, "found size %" G_GUINT64_FORMAT, size);
}
}
}
src->new_fd = fd;
GST_OBJECT_LOCK (src);
if (GST_STATE (GST_ELEMENT (src)) <= GST_STATE_READY) {
gst_fd_src_update_fd (src, size);
}
GST_OBJECT_UNLOCK (src);
return TRUE;
}
static gboolean
gst_udpsink_set_uri (GstUDPSink * sink, const gchar * uri)
{
gchar *protocol;
gchar *location;
gchar *colptr;
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "udp") != 0)
goto wrong_protocol;
g_free (protocol);
location = gst_uri_get_location (uri);
if (!location)
return FALSE;
colptr = strstr (location, ":");
gst_multiudpsink_remove (GST_MULTIUDPSINK (sink), sink->host, sink->port);
if (colptr != NULL) {
g_free (sink->host);
sink->host = g_strndup (location, colptr - location);
sink->port = atoi (colptr + 1);
} else {
g_free (sink->host);
sink->host = g_strdup (location);
sink->port = UDP_DEFAULT_PORT;
}
g_free (location);
gst_multiudpsink_add (GST_MULTIUDPSINK (sink), sink->host, sink->port);
gst_udpsink_update_uri (sink);
return TRUE;
/* ERRORS */
wrong_protocol:
{
g_free (protocol);
GST_ELEMENT_ERROR (sink, RESOURCE, READ, (NULL),
("error parsing uri %s: wrong protocol (%s != udp)", uri, protocol));
return FALSE;
}
}
static gboolean
gst_fd_sink_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
gchar *protocol;
GstFdSink *sink = GST_FD_SINK (handler);
gint fd;
protocol = gst_uri_get_protocol (uri);
if (strcmp (protocol, "fd") != 0) {
g_free (protocol);
return FALSE;
}
g_free (protocol);
if (sscanf (uri, "fd://%d", &fd) != 1)
return FALSE;
return gst_fd_sink_update_fd (sink, fd);
}
gboolean
ges_formatter_can_save_uri (const gchar * uri)
{
if (!(gst_uri_is_valid (uri))) {
GST_ERROR ("%s invalid uri!", uri);
return FALSE;
}
if (!(gst_uri_has_protocol (uri, "file"))) {
gchar *proto = gst_uri_get_protocol (uri);
GST_ERROR ("Unspported protocol '%s'", proto);
g_free (proto);
return FALSE;
}
/* TODO: implement file format registry */
/* TODO: search through the registry and chose a GESFormatter class that can
* handle the URI.*/
return TRUE;
}
static void
kms_recorder_endpoint_create_parent_directories (KmsRecorderEndpoint * self)
{
const gchar *uri = KMS_URI_ENDPOINT (self)->uri;
gchar *protocol = gst_uri_get_protocol (uri);
if (g_strcmp0 (protocol, "file") == 0) {
gchar *file = gst_uri_get_location (uri);
gchar *dir = g_path_get_dirname (file);
// Try to create directory
if (g_mkdir_with_parents (dir, ALLPERMS) != 0) {
GST_WARNING_OBJECT (self, "Directory %s could not be created", dir);
}
g_free (file);
g_free (dir);
}
g_free (protocol);
}
static gboolean
gst_espeak_uri_set_uri (GstURIHandler * handler, const gchar * uri) {
gchar *protocol, *text;
gboolean ret;
protocol = gst_uri_get_protocol (uri);
ret = strcmp (protocol, "espeak") == 0;
g_free (protocol);
if (!ret)
return FALSE;
text = gst_uri_get_location (uri);
if (!text)
return FALSE;
gst_espeak_set_text (GST_ESPEAK (handler), text);
g_free (text);
return TRUE;
}
/**
* Set the context attribute for URI
*
* \param me element context whose attribute is being set
* \param gv the value to which the attribute should be set
* \return true if the value was set, false if some error occured
*/
static gboolean
gst_ccnxsink_set_uri (Gstccnxsink * me, const GValue * gv)
{
gchar *protocol;
const gchar *uri;
/* cast to the proper type, then do some basic checks */
uri = g_value_get_string (gv);
GST_DEBUG ("CCNxSink: setting uri: %s\n", uri);
if (NULL == uri) {
g_free (me->uri);
me->uri = g_strdup (CCNX_DEFAULT_URI);
return TRUE;
}
/* we are specific as to what protocol can be used in the URI */
protocol = gst_uri_get_protocol (uri);
if (!protocol)
goto wrong_protocol;
if (strcmp (protocol, "ccnx") != 0)
goto wrong_protocol;
g_free (protocol);
/* Free the old value before setting to the new attribute value */
g_free (me->uri);
me->uri = g_strdup (uri);
return TRUE;
/* ERRORS */
wrong_protocol:
{
GST_ELEMENT_ERROR (me, RESOURCE, READ, (NULL),
("error parsing uri %s: wrong protocol (%s != ccnx)", uri, protocol));
g_free (protocol);
return FALSE;
}
}
/*!
* \brief OpenIMAJCapGStreamer::open Open the given file with gstreamer
* \param type CvCapture type. One of CAP_GSTREAMER_*
* \param filename Filename to open in case of CAP_GSTREAMER_FILE
* \return boolean. Specifies if opening was succesful.
*
* In case of CAP_GSTREAMER_V4L(2), a pipelin is constructed as follows:
* v4l2src ! autoconvert ! appsink
*
*
* The 'filename' parameter is not limited to filesystem paths, and may be one of the following:
*
* - a normal filesystem path:
* e.g. video.avi or /path/to/video.avi or C:\\video.avi
* - an uri:
* e.g. file:///path/to/video.avi or rtsp:///path/to/stream.asf
* - a gstreamer pipeline description:
* e.g. videotestsrc ! videoconvert ! appsink
* the appsink name should be either 'appsink0' (the default) or 'opencvsink'
*
* When dealing with a file, OpenIMAJCapGStreamer will not drop frames if the grabbing interval
* larger than the framerate period. (Unlike the uri or manual pipeline description, which assume
* a live source)
*
* The pipeline will only be started whenever the first frame is grabbed. Setting pipeline properties
* is really slow if we need to restart the pipeline over and over again.
*
*/
bool OpenIMAJCapGStreamer::open(const char* filename )
{
if(!isInited) {
//FIXME: threadsafety
gst_init (NULL, NULL);
isInited = true;
}
bool stream = false;
bool manualpipeline = false;
char *uri = NULL;
uridecodebin = NULL;
// test if we have a valid uri. If so, open it with an uridecodebin
// else, we might have a file or a manual pipeline.
// if gstreamer cannot parse the manual pipeline, we assume we were given and
// ordinary file path.
if(!gst_uri_is_valid(filename))
{
uri = realpath(filename, NULL);
stream = false;
if(uri)
{
uri = g_filename_to_uri(uri, NULL, NULL);
if(!uri) {
WARN("GStreamer: Error opening file\n");
close();
return false;
}
}
else
{
GError *err = NULL;
uridecodebin = gst_parse_launch(filename, &err);
if(!uridecodebin) {
//fprintf(stderr, "GStreamer: Error opening bin: %s\n", err->message);
//close();
return false;
}
stream = true;
manualpipeline = true;
}
} else {
stream = true;
uri = g_strdup(filename);
}
bool element_from_uri = false;
if(!uridecodebin)
{
// At this writing, the v4l2 element (and maybe others too) does not support caps renegotiation.
// This means that we cannot use an uridecodebin when dealing with v4l2, since setting
// capture properties will not work.
// The solution (probably only until gstreamer 1.2) is to make an element from uri when dealing with v4l2.
gchar * protocol = gst_uri_get_protocol(uri);
if (!strcasecmp(protocol , "v4l2"))
{
uridecodebin = gst_element_make_from_uri(GST_URI_SRC, uri, "src", NULL);
element_from_uri = true;
}else{
uridecodebin = gst_element_factory_make ("uridecodebin", NULL);
g_object_set(G_OBJECT(uridecodebin),"uri",uri, NULL);
}
g_free(protocol);
if(!uridecodebin) {
//fprintf(stderr, "GStreamer: Error opening bin: %s\n", err->message);
close();
return false;
}
}
if(manualpipeline)
{
GstIterator *it = NULL;
it = gst_bin_iterate_sinks (GST_BIN(uridecodebin));
gboolean done = FALSE;
GstElement *element = NULL;
gchar* name = NULL;
GValue value = G_VALUE_INIT;
while (!done) {
switch (gst_iterator_next (it, &value)) {
case GST_ITERATOR_OK:
element = GST_ELEMENT (g_value_get_object (&value));
name = gst_element_get_name(element);
if (name){
if(strstr(name, "opencvsink") != NULL || strstr(name, "appsink") != NULL) {
sink = GST_ELEMENT ( gst_object_ref (element) );
done = TRUE;
}
g_free(name);
}
g_value_unset (&value);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (it);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
done = TRUE;
break;
}
}
gst_iterator_free (it);
if (!sink){
//ERROR(1, "GStreamer: cannot find appsink in manual pipeline\n");
return false;
}
pipeline = uridecodebin;
}
else
{
pipeline = gst_pipeline_new (NULL);
// videoconvert (in 0.10: ffmpegcolorspace) automatically selects the correct colorspace
// conversion based on caps.
color = gst_element_factory_make(COLOR_ELEM, NULL);
sink = gst_element_factory_make("appsink", NULL);
gst_bin_add_many(GST_BIN(pipeline), uridecodebin, color, sink, NULL);
if(element_from_uri) {
if(!gst_element_link(uridecodebin, color)) {
//ERROR(1, "GStreamer: cannot link color -> sink\n");
gst_object_unref(pipeline);
return false;
}
}else{
g_signal_connect(uridecodebin, "pad-added", G_CALLBACK(newPad), color);
}
if(!gst_element_link(color, sink)) {
//ERROR(1, "GStreamer: cannot link color -> sink\n");
gst_object_unref(pipeline);
return false;
}
}
//TODO: is 1 single buffer really high enough?
gst_app_sink_set_max_buffers (GST_APP_SINK(sink), 1);
gst_app_sink_set_drop (GST_APP_SINK(sink), stream);
//do not emit signals: all calls will be synchronous and blocking
gst_app_sink_set_emit_signals (GST_APP_SINK(sink), 0);
// support 1 and 3 channel 8 bit data, as well as bayer (also 1 channel, 8bit)
caps = gst_caps_from_string("video/x-raw, format=(string){BGR, GRAY8}; video/x-bayer,format=(string){rggb,bggr,grbg,gbrg}");
gst_app_sink_set_caps(GST_APP_SINK(sink), caps);
gst_caps_unref(caps);
//we do not start recording here just yet.
// the user probably wants to set capture properties first, so start recording whenever the first frame is requested
return true;
}
static gboolean
rsn_dvdbin_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
RsnDvdBin *dvdbin = RESINDVDBIN (handler);
gboolean ret;
gchar *protocol, *location;
protocol = gst_uri_get_protocol (uri);
ret = (protocol && !strcmp (protocol, "dvd")) ? TRUE : FALSE;
g_free (protocol);
protocol = NULL;
if (!ret)
return ret;
location = gst_uri_get_location (uri);
if (!location)
return ret;
/*
* URI structure: dvd:///path/to/device
*/
if (g_str_has_prefix (uri, "dvd://")) {
g_free (dvdbin->device);
if (strlen (uri) > 6)
dvdbin->device = g_strdup (uri + 6);
else
dvdbin->device = g_strdup (DEFAULT_DEVICE);
}
#if 0
/*
* Parse out the new t/c/a and seek to them
*/
{
gchar **strs;
gchar **strcur;
gint pos = 0;
strcur = strs = g_strsplit (location, ",", 0);
while (strcur && *strcur) {
gint val;
if (!sscanf (*strcur, "%d", &val))
break;
switch (pos) {
case 0:
if (val != dvdbin->uri_title) {
dvdbin->uri_title = val;
dvdbin->new_seek = TRUE;
}
break;
case 1:
if (val != dvdbin->uri_chapter) {
dvdbin->uri_chapter = val;
dvdbin->new_seek = TRUE;
}
break;
case 2:
dvdbin->uri_angle = val;
break;
}
strcur++;
pos++;
}
g_strfreev (strs);
}
#endif
g_free (location);
return ret;
}
static gboolean
gst_vcdsrc_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
GstVCDSrc *src = GST_VCDSRC (handler);
gchar *protocol;
gchar *location = NULL;
gint tracknr;
GST_DEBUG_OBJECT (src, "setting uri '%s'", uri);
protocol = gst_uri_get_protocol (uri);
if (protocol == NULL || strcmp (protocol, "vcd"))
goto wrong_protocol;
GST_DEBUG_OBJECT (src, "have protocol '%s'", protocol);
g_free (protocol);
/* parse out the track in the location */
if (!(location = gst_uri_get_location (uri)))
goto no_location;
GST_DEBUG_OBJECT (src, "have location '%s'", location);
if (*location == '\0') {
/* empty location selects track 1 */
tracknr = 1;
} else {
/* scan the track number */
if (sscanf (location, "%d", &tracknr) != 1)
goto invalid_location;
if (tracknr < 1)
goto invalid_location;
}
GST_OBJECT_LOCK (src);
src->track = tracknr;
GST_DEBUG_OBJECT (src, "configured track %d", src->track);
GST_OBJECT_UNLOCK (src);
g_free (location);
return TRUE;
/* ERRORS */
wrong_protocol:
{
GST_ERROR_OBJECT (src, "wrong protocol %s specified",
GST_STR_NULL (protocol));
g_free (protocol);
return FALSE;
}
no_location:
{
GST_ERROR_OBJECT (src, "no location specified");
return FALSE;
}
invalid_location:
{
GST_ERROR_OBJECT (src, "Invalid location %s in URI '%s'", location, uri);
g_free (location);
return FALSE;
}
}
static gboolean
gst_uri_downloader_set_uri (GstUriDownloader * downloader, const gchar * uri,
const gchar * referer, gboolean compress, gboolean refresh,
gboolean allow_cache)
{
GstPad *pad;
GObjectClass *gobject_class;
if (!gst_uri_is_valid (uri))
return FALSE;
if (downloader->priv->urisrc) {
gchar *old_protocol, *new_protocol;
gchar *old_uri;
old_uri =
gst_uri_handler_get_uri (GST_URI_HANDLER (downloader->priv->urisrc));
old_protocol = gst_uri_get_protocol (old_uri);
new_protocol = gst_uri_get_protocol (uri);
if (!g_str_equal (old_protocol, new_protocol)) {
gst_element_set_state (downloader->priv->urisrc, GST_STATE_NULL);
gst_object_unref (downloader->priv->urisrc);
downloader->priv->urisrc = NULL;
GST_DEBUG_OBJECT (downloader, "Can't re-use old source element");
} else {
GError *err = NULL;
GST_DEBUG_OBJECT (downloader, "Re-using old source element");
if (!gst_uri_handler_set_uri (GST_URI_HANDLER (downloader->priv->urisrc),
uri, &err)) {
GST_DEBUG_OBJECT (downloader, "Failed to re-use old source element: %s",
err->message);
g_clear_error (&err);
gst_element_set_state (downloader->priv->urisrc, GST_STATE_NULL);
gst_object_unref (downloader->priv->urisrc);
downloader->priv->urisrc = NULL;
}
}
g_free (old_uri);
g_free (old_protocol);
g_free (new_protocol);
}
if (!downloader->priv->urisrc) {
GST_DEBUG_OBJECT (downloader, "Creating source element for the URI:%s",
uri);
downloader->priv->urisrc =
gst_element_make_from_uri (GST_URI_SRC, uri, NULL, NULL);
if (!downloader->priv->urisrc)
return FALSE;
}
gobject_class = G_OBJECT_GET_CLASS (downloader->priv->urisrc);
if (g_object_class_find_property (gobject_class, "compress"))
g_object_set (downloader->priv->urisrc, "compress", compress, NULL);
if (g_object_class_find_property (gobject_class, "keep-alive"))
g_object_set (downloader->priv->urisrc, "keep-alive", TRUE, NULL);
if (g_object_class_find_property (gobject_class, "extra-headers")) {
if (referer || refresh || !allow_cache) {
GstStructure *extra_headers = gst_structure_new_empty ("headers");
if (referer)
gst_structure_set (extra_headers, "Referer", G_TYPE_STRING, referer,
NULL);
if (!allow_cache)
gst_structure_set (extra_headers, "Cache-Control", G_TYPE_STRING,
"no-cache", NULL);
else if (refresh)
gst_structure_set (extra_headers, "Cache-Control", G_TYPE_STRING,
"max-age=0", NULL);
g_object_set (downloader->priv->urisrc, "extra-headers", extra_headers,
NULL);
gst_structure_free (extra_headers);
} else {
g_object_set (downloader->priv->urisrc, "extra-headers", NULL, NULL);
}
}
/* add a sync handler for the bus messages to detect errors in the download */
gst_element_set_bus (GST_ELEMENT (downloader->priv->urisrc),
downloader->priv->bus);
gst_bus_set_sync_handler (downloader->priv->bus,
gst_uri_downloader_bus_handler, downloader, NULL);
pad = gst_element_get_static_pad (downloader->priv->urisrc, "src");
if (!pad)
return FALSE;
gst_pad_link (pad, downloader->priv->pad);
gst_object_unref (pad);
return TRUE;
}
/*!
* \brief CvCapture_GStreamer::open Open the given file with gstreamer
* \param type CvCapture type. One of CV_CAP_GSTREAMER_*
* \param filename Filename to open in case of CV_CAP_GSTREAMER_FILE
* \return boolean. Specifies if opening was succesful.
*
* In case of CV_CAP_GSTREAMER_V4L(2), a pipelin is constructed as follows:
* v4l2src ! autoconvert ! appsink
*
*
* The 'filename' parameter is not limited to filesystem paths, and may be one of the following:
*
* - a normal filesystem path:
* e.g. video.avi or /path/to/video.avi or C:\\video.avi
* - an uri:
* e.g. file:///path/to/video.avi or rtsp:///path/to/stream.asf
* - a gstreamer pipeline description:
* e.g. videotestsrc ! videoconvert ! appsink
* the appsink name should be either 'appsink0' (the default) or 'opencvsink'
*
* When dealing with a file, CvCapture_GStreamer will not drop frames if the grabbing interval
* larger than the framerate period. (Unlike the uri or manual pipeline description, which assume
* a live source)
*
* The pipeline will only be started whenever the first frame is grabbed. Setting pipeline properties
* is really slow if we need to restart the pipeline over and over again.
*
* TODO: the 'type' parameter is imo unneeded. for v4l2, filename 'v4l2:///dev/video0' can be used.
* I expect this to be the same for CV_CAP_GSTREAMER_1394. Is anyone actually still using v4l (v1)?
*
*/
bool CvCapture_GStreamer::open( int type, const char* filename )
{
CV_FUNCNAME("cvCaptureFromCAM_GStreamer");
__BEGIN__;
gst_initializer::init();
bool file = false;
bool stream = false;
bool manualpipeline = false;
char *uri = NULL;
uridecodebin = NULL;
GstElementFactory * testfac;
GstStateChangeReturn status;
if (type == CV_CAP_GSTREAMER_V4L){
testfac = gst_element_factory_find("v4lsrc");
if (!testfac){
return false;
}
g_object_unref(G_OBJECT(testfac));
filename = "v4lsrc ! "COLOR_ELEM" ! appsink";
}
if (type == CV_CAP_GSTREAMER_V4L2){
testfac = gst_element_factory_find("v4l2src");
if (!testfac){
return false;
}
g_object_unref(G_OBJECT(testfac));
filename = "v4l2src ! "COLOR_ELEM" ! appsink";
}
// test if we have a valid uri. If so, open it with an uridecodebin
// else, we might have a file or a manual pipeline.
// if gstreamer cannot parse the manual pipeline, we assume we were given and
// ordinary file path.
if(!gst_uri_is_valid(filename))
{
uri = realpath(filename, NULL);
stream = false;
if(uri)
{
uri = g_filename_to_uri(uri, NULL, NULL);
if(uri)
{
file = true;
}
else
{
CV_WARN("GStreamer: Error opening file\n");
close();
return false;
}
}
else
{
GError *err = NULL;
uridecodebin = gst_parse_launch(filename, &err);
if(!uridecodebin)
{
fprintf(stderr, "GStreamer: Error opening bin: %s\n", err->message);
return false;
}
stream = true;
manualpipeline = true;
}
} else {
stream = true;
uri = g_strdup(filename);
}
bool element_from_uri = false;
if(!uridecodebin)
{
// At this writing, the v4l2 element (and maybe others too) does not support caps renegotiation.
// This means that we cannot use an uridecodebin when dealing with v4l2, since setting
// capture properties will not work.
// The solution (probably only until gstreamer 1.2) is to make an element from uri when dealing with v4l2.
gchar * protocol = gst_uri_get_protocol(uri);
if (!strcasecmp(protocol , "v4l2"))
{
#if GST_VERSION_MAJOR == 0
uridecodebin = gst_element_make_from_uri(GST_URI_SRC, uri, "src");
#else
uridecodebin = gst_element_make_from_uri(GST_URI_SRC, uri, "src", NULL);
#endif
element_from_uri = true;
}else{
uridecodebin = gst_element_factory_make("uridecodebin", NULL);
g_object_set(G_OBJECT(uridecodebin), "uri", uri, NULL);
}
g_free(protocol);
if(!uridecodebin) {
//fprintf(stderr, "GStreamer: Error opening bin: %s\n", err->message);
close();
return false;
}
}
if(manualpipeline)
{
GstIterator *it = NULL;
#if GST_VERSION_MAJOR == 0
it = gst_bin_iterate_sinks(GST_BIN(uridecodebin));
if(gst_iterator_next(it, (gpointer *)&sink) != GST_ITERATOR_OK) {
CV_ERROR(CV_StsError, "GStreamer: cannot find appsink in manual pipeline\n");
return false;
}
#else
it = gst_bin_iterate_sinks (GST_BIN(uridecodebin));
gboolean done = FALSE;
GstElement *element = NULL;
gchar* name = NULL;
GValue value = G_VALUE_INIT;
while (!done) {
switch (gst_iterator_next (it, &value)) {
case GST_ITERATOR_OK:
element = GST_ELEMENT (g_value_get_object (&value));
name = gst_element_get_name(element);
if (name){
if(strstr(name, "opencvsink") != NULL || strstr(name, "appsink") != NULL) {
sink = GST_ELEMENT ( gst_object_ref (element) );
done = TRUE;
}
g_free(name);
}
g_value_unset (&value);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (it);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
done = TRUE;
break;
}
}
gst_iterator_free (it);
if (!sink){
CV_ERROR(CV_StsError, "GStreamer: cannot find appsink in manual pipeline\n");
return false;
}
#endif
pipeline = uridecodebin;
}
else
{
pipeline = gst_pipeline_new(NULL);
// videoconvert (in 0.10: ffmpegcolorspace, in 1.x autovideoconvert)
//automatically selects the correct colorspace conversion based on caps.
color = gst_element_factory_make(COLOR_ELEM, NULL);
sink = gst_element_factory_make("appsink", NULL);
gst_bin_add_many(GST_BIN(pipeline), uridecodebin, color, sink, NULL);
if(element_from_uri) {
if(!gst_element_link(uridecodebin, color)) {
CV_ERROR(CV_StsError, "GStreamer: cannot link color -> sink\n");
gst_object_unref(pipeline);
pipeline = NULL;
return false;
}
}else{
g_signal_connect(uridecodebin, "pad-added", G_CALLBACK(newPad), color);
}
if(!gst_element_link(color, sink)) {
CV_ERROR(CV_StsError, "GStreamer: cannot link color -> sink\n");
gst_object_unref(pipeline);
pipeline = NULL;
return false;
}
}
//TODO: is 1 single buffer really high enough?
gst_app_sink_set_max_buffers (GST_APP_SINK(sink), 1);
gst_app_sink_set_drop (GST_APP_SINK(sink), stream);
//do not emit signals: all calls will be synchronous and blocking
gst_app_sink_set_emit_signals (GST_APP_SINK(sink), 0);
#if GST_VERSION_MAJOR == 0
caps = gst_caps_new_simple("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24,
"red_mask", G_TYPE_INT, 0x0000FF,
"green_mask", G_TYPE_INT, 0x00FF00,
"blue_mask", G_TYPE_INT, 0xFF0000,
NULL);
#else
// support 1 and 3 channel 8 bit data, as well as bayer (also 1 channel, 8bit)
caps = gst_caps_from_string("video/x-raw, format=(string){BGR, GRAY8}; video/x-bayer,format=(string){rggb,bggr,grbg,gbrg}");
#endif
gst_app_sink_set_caps(GST_APP_SINK(sink), caps);
gst_caps_unref(caps);
// For video files only: set pipeline to PAUSED state to get its duration
if (file)
{
status = gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_PAUSED);
if (status == GST_STATE_CHANGE_ASYNC)
{
// wait for status update
GstState st1;
GstState st2;
status = gst_element_get_state(pipeline, &st1, &st2, GST_CLOCK_TIME_NONE);
}
if (status == GST_STATE_CHANGE_FAILURE)
{
handleMessage(pipeline);
gst_object_unref(pipeline);
pipeline = NULL;
CV_ERROR(CV_StsError, "GStreamer: unable to start pipeline\n");
return false;
}
GstFormat format;
format = GST_FORMAT_DEFAULT;
#if GST_VERSION_MAJOR == 0
if(!gst_element_query_duration(sink, &format, &duration))
#else
if(!gst_element_query_duration(sink, format, &duration))
#endif
{
handleMessage(pipeline);
CV_WARN("GStreamer: unable to query duration of stream");
duration = -1;
return true;
}
}
else
{
duration = -1;
}
__END__;
return true;
}
gboolean
gst_udp_parse_uri (const gchar * uristr, gchar ** host, guint16 * port)
{
gchar *protocol, *location_start;
gchar *location, *location_end;
gchar *colptr;
/* consider no protocol to be udp:// */
protocol = gst_uri_get_protocol (uristr);
if (!protocol)
goto no_protocol;
if (strcmp (protocol, "udp") != 0)
goto wrong_protocol;
g_free (protocol);
location_start = gst_uri_get_location (uristr);
if (!location_start)
return FALSE;
GST_DEBUG ("got location '%s'", location_start);
/* VLC compatibility, strip everything before the @ sign. VLC uses that as the
* remote address. */
location = g_strstr_len (location_start, -1, "@");
if (location == NULL)
location = location_start;
else
location += 1;
if (location[0] == '[') {
GST_DEBUG ("parse IPV6 address '%s'", location);
location_end = strchr (location, ']');
if (location_end == NULL)
goto wrong_address;
*host = g_strndup (location + 1, location_end - location - 1);
colptr = strrchr (location_end, ':');
} else {
GST_DEBUG ("parse IPV4 address '%s'", location);
colptr = strrchr (location, ':');
if (colptr != NULL) {
*host = g_strndup (location, colptr - location);
} else {
*host = g_strdup (location);
}
}
GST_DEBUG ("host set to '%s'", *host);
if (colptr != NULL) {
*port = g_ascii_strtoll (colptr + 1, NULL, 10);
} else {
*port = 0;
}
g_free (location_start);
return TRUE;
/* ERRORS */
no_protocol:
{
GST_ERROR ("error parsing uri %s: no protocol", uristr);
return FALSE;
}
wrong_protocol:
{
GST_ERROR ("error parsing uri %s: wrong protocol (%s != udp)", uristr,
protocol);
g_free (protocol);
return FALSE;
}
wrong_address:
{
GST_ERROR ("error parsing uri %s", uristr);
g_free (location);
return FALSE;
}
}
static GstElement *
kms_recorder_endpoint_get_sink (KmsRecorderEndpoint * self)
{
GObjectClass *sink_class;
GstElement *sink = NULL;
GParamSpec *pspec;
GError *err = NULL;
KMS_ELEMENT_LOCK (KMS_ELEMENT (self));
if (KMS_URI_ENDPOINT (self)->uri == NULL)
goto no_uri;
if (!gst_uri_is_valid (KMS_URI_ENDPOINT (self)->uri))
goto invalid_uri;
sink = gst_element_make_from_uri (GST_URI_SINK, KMS_URI_ENDPOINT (self)->uri,
NULL, &err);
if (sink == NULL) {
/* Some elements have no URI handling capabilities though they can */
/* handle them. We try to find such element before failing to attend */
/* this request */
sink = kms_recorder_endpoint_get_sink_fallback (self);
if (sink == NULL)
goto no_sink;
g_clear_error (&err);
}
/* Try to configure the sink element */
sink_class = G_OBJECT_GET_CLASS (sink);
pspec = g_object_class_find_property (sink_class, "location");
if (pspec != NULL && G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_STRING) {
if (g_strcmp0 (GST_OBJECT_NAME (gst_element_get_factory (sink)),
"filesink") == 0) {
/* Work around for filesink elements */
gchar *location = gst_uri_get_location (KMS_URI_ENDPOINT (self)->uri);
GST_DEBUG_OBJECT (sink, "filesink location=%s", location);
g_object_set (sink, "location", location, NULL);
g_free (location);
} else {
GST_DEBUG_OBJECT (sink, "configuring location=%s",
KMS_URI_ENDPOINT (self)->uri);
g_object_set (sink, "location", KMS_URI_ENDPOINT (self)->uri, NULL);
}
}
goto end;
no_uri:
{
GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS,
("No URI specified to record to."), GST_ERROR_SYSTEM);
goto end;
}
invalid_uri:
{
GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS, ("Invalid URI \"%s\".",
KMS_URI_ENDPOINT (self)->uri), GST_ERROR_SYSTEM);
g_clear_error (&err);
goto end;
}
no_sink:
{
/* whoops, could not create the sink element, dig a little deeper to
* figure out what might be wrong. */
if (err != NULL && err->code == GST_URI_ERROR_UNSUPPORTED_PROTOCOL) {
gchar *prot;
prot = gst_uri_get_protocol (KMS_URI_ENDPOINT (self)->uri);
if (prot == NULL)
goto invalid_uri;
GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS,
("No URI handler implemented for \"%s\".", prot), GST_ERROR_SYSTEM);
g_free (prot);
} else {
GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS, ("%s",
(err) ? err->message : "URI was not accepted by any element"),
GST_ERROR_SYSTEM);
}
g_clear_error (&err);
goto end;
}
end:
KMS_ELEMENT_UNLOCK (KMS_ELEMENT (self));
return sink;
}
