void
PointerDetectorFilter::removeWindow (std::string id)
{
GstStructure *buttonsLayout;
gint len;
/* The function obtains the actual window list */
g_object_get (G_OBJECT (pointerDetector), WINDOWS_LAYOUT, &buttonsLayout, NULL);
len = gst_structure_n_fields (buttonsLayout);
if (len == 0) {
GST_WARNING ("There are no windows in the layout");
return;
}
for (int i = 0; i < len; i++) {
const gchar *name;
name = gst_structure_nth_field_name (buttonsLayout, i);
if ( g_strcmp0 (name, id.c_str() ) == 0) {
/* this window will be removed */
gst_structure_remove_field (buttonsLayout, name);
}
}
/* Set the buttons layout list without the window with id = id */
g_object_set (G_OBJECT (pointerDetector), WINDOWS_LAYOUT, buttonsLayout, NULL);
gst_structure_free (buttonsLayout);
}
void ImageOverlayFilterImpl::removeImage (const std::string &id)
{
GstStructure *imagesLayout;
gint len;
/* The function obtains the actual window list */
g_object_get (G_OBJECT (imageOverlay), IMAGES_TO_OVERLAY, &imagesLayout,
NULL);
len = gst_structure_n_fields (imagesLayout);
if (len == 0) {
GST_WARNING ("There are no images in the layout");
return;
}
for (int i = 0; i < len; i++) {
const gchar *name;
name = gst_structure_nth_field_name (imagesLayout, i);
if (strcmp (id.c_str (), name) == 0) {
/* this image will be removed */
gst_structure_remove_field (imagesLayout, name);
break;
}
}
/* Set the buttons layout list without the window with id = id */
g_object_set (G_OBJECT (imageOverlay), IMAGES_TO_OVERLAY, imagesLayout, NULL);
gst_structure_free (imagesLayout);
}
static GSList *
get_faces (GstStructure * faces)
{
gint len, aux;
GSList *list = NULL;
len = gst_structure_n_fields (faces);
for (aux = 0; aux < len; aux++) {
GstStructure *face;
gboolean ret;
const gchar *name = gst_structure_nth_field_name (faces, aux);
if (g_strcmp0 (name, "timestamp") == 0) {
continue;
}
ret = gst_structure_get (faces, name, GST_TYPE_STRUCTURE, &face, NULL);
if (ret) {
CvRect *aux = g_slice_new0 (CvRect);
gst_structure_get (face, "x", G_TYPE_UINT, &aux->x, NULL);
gst_structure_get (face, "y", G_TYPE_UINT, &aux->y, NULL);
gst_structure_get (face, "width", G_TYPE_UINT, &aux->width, NULL);
gst_structure_get (face, "height", G_TYPE_UINT, &aux->height, NULL);
gst_structure_free (face);
list = g_slist_append (list, aux);
}
}
return list;
}
static void
set_program (GstObject * elem, GstStructure * prog)
{
const GstStructure *s;
GstControlSource *cs;
GstClockTime ts, dur;
gdouble v;
const GValue *frame;
GHashTable *css;
gint i, j;
const gchar *name;
css = g_hash_table_new (g_str_hash, g_str_equal);
ts = 0;
dur = gst_util_uint64_scale_int (GST_SECOND, 1, 15);
/* loop over each image in prog */
for (i = 0; i < gst_structure_n_fields (prog); i++) {
GST_DEBUG ("ctrl on %" GST_TIME_FORMAT, GST_TIME_ARGS (ts));
frame =
gst_structure_get_value (prog, gst_structure_nth_field_name (prog, i));
s = gst_value_get_structure (frame);
for (j = 0; j < gst_structure_n_fields (s); j++) {
name = gst_structure_nth_field_name (s, j);
cs = g_hash_table_lookup (css, name);
if (!cs) {
cs = gst_interpolation_control_source_new ();
gst_object_add_control_binding (elem,
gst_direct_control_binding_new (elem, name, cs));
g_object_set (cs, "mode", GST_INTERPOLATION_MODE_NONE, NULL);
g_hash_table_insert (css, (gpointer) name, cs);
gst_object_unref (cs);
}
gst_structure_get_double (s, name, &v);
gst_timed_value_control_source_set ((GstTimedValueControlSource *) cs, ts,
v);
GST_DEBUG (" %s = %lf", name, v);
}
ts += dur;
}
g_hash_table_unref (css);
}
/**
* pk_gst_structure_to_provide:
**/
static gchar *
pk_gst_structure_to_provide (GstStructure *s)
{
GString *string;
guint i, num_fields;
GList *l;
_cleanup_list_free_ GList *fields = NULL;
num_fields = gst_structure_n_fields (s);
fields = NULL;
for (i = 0; i < num_fields; i++) {
const gchar *field_name;
field_name = gst_structure_nth_field_name (s, i);
if (pk_gst_field_get_type (field_name) < 0) {
g_message ("PackageKit: ignoring field named %s", field_name);
continue;
}
fields = g_list_insert_sorted (fields, g_strdup (field_name), (GCompareFunc) pk_gst_fields_type_compare);
}
string = g_string_new("");
for (l = fields; l != NULL; l = l->next) {
gchar *field_name;
GType type;
field_name = l->data;
type = gst_structure_get_field_type (s, field_name);
g_message ("PackageKit: field is: %s, type: %s", field_name, g_type_name (type));
if (type == G_TYPE_INT) {
int value;
gst_structure_get_int (s, field_name, &value);
g_string_append_printf (string, "(%s=%d)", field_name, value);
} else if (type == G_TYPE_BOOLEAN) {
int value;
gst_structure_get_boolean (s, field_name, &value);
g_string_append_printf (string, "(%s=%s)", field_name, value ? "true" : "false");
} else if (type == G_TYPE_STRING) {
const gchar *value;
value = gst_structure_get_string (s, field_name);
g_string_append_printf (string, "(%s=%s)", field_name, value);
} else {
g_warning ("PackageKit: unhandled type! %s", g_type_name (type));
}
g_free (field_name);
}
return g_string_free (string, FALSE);
}
static GstCaps *
gst_caps_setter_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
{
GstCapsSetter *filter;
GstCaps *ret, *filter_caps;
GstStructure *structure, *merge;
const gchar *name;
gint i, j;
filter = GST_CAPS_SETTER (trans);
GST_DEBUG_OBJECT (trans, "receiving caps: %" GST_PTR_FORMAT, caps);
ret = gst_caps_copy (caps);
/* this function is always called with a simple caps */
if (!GST_CAPS_IS_SIMPLE (ret) || direction != GST_PAD_SINK)
return ret;
structure = gst_caps_get_structure (ret, 0);
name = gst_structure_get_name (structure);
GST_OBJECT_LOCK (filter);
filter_caps = gst_caps_ref (filter->caps);
GST_OBJECT_UNLOCK (filter);
for (i = 0; i < gst_caps_get_size (filter_caps); ++i) {
merge = gst_caps_get_structure (filter_caps, i);
if (gst_structure_has_name (merge, name) || !filter->join) {
if (!filter->join)
gst_structure_set_name (structure, gst_structure_get_name (merge));
if (filter->replace)
gst_structure_remove_all_fields (structure);
for (j = 0; j < gst_structure_n_fields (merge); ++j) {
const gchar *fname;
fname = gst_structure_nth_field_name (merge, j);
gst_structure_set_value (structure, fname,
gst_structure_get_value (merge, fname));
}
}
}
GST_DEBUG_OBJECT (trans, "returning caps: %" GST_PTR_FORMAT, ret);
gst_caps_unref (filter_caps);
return ret;
}
static gboolean
structure_is_subset (const GstStructure *st1, const GstStructure *st2)
{
int i;
for (i = 0; i < gst_structure_n_fields (st2); i++) {
const gchar *name = gst_structure_nth_field_name (st2, i);
if (!gst_structure_has_field(st1, name)) {
gupnp_dlna_debug (" missing field %s", name);
return FALSE;
}
}
return TRUE;
}
static void
clear_caps (GstCaps * caps, gboolean only_clock_rate)
{
gint i, j;
/* Lets only match on the clock-rate */
for (i = 0; i < gst_caps_get_size (caps); i++) {
GstStructure *s = gst_caps_get_structure (caps, i);
for (j = 0; j < gst_structure_n_fields (s); j++) {
const gchar *name = gst_structure_nth_field_name (s, j);
if (strcmp (name, "clock-rate") && (only_clock_rate ||
(strcmp (name, "ssrc")))) {
gst_structure_remove_field (s, name);
j--;
}
}
}
}
static void
collectRTCDataChannelStats (std::map <std::string, std::shared_ptr<Stats>>
&statsReport, double timestamp, const GstStructure *stats)
{
gint i, n;
n = gst_structure_n_fields (stats);
for (i = 0; i < n; i++) {
std::shared_ptr<RTCDataChannelStats> rtcDataStats;
const GValue *value;
const gchar *name;
name = gst_structure_nth_field_name (stats, i);
if (!g_str_has_prefix (name, "data-channel-") ) {
continue;
}
value = gst_structure_get_value (stats, name);
if (!GST_VALUE_HOLDS_STRUCTURE (value) ) {
gchar *str_val;
str_val = g_strdup_value_contents (value);
GST_WARNING ("Unexpected field type (%s) = %s", name, str_val);
g_free (str_val);
continue;
}
rtcDataStats = createtRTCDataChannelStats (gst_value_get_structure (value) );
rtcDataStats->setTimestamp (timestamp);
statsReport[rtcDataStats->getId ()] = rtcDataStats;
}
std::shared_ptr<RTCPeerConnectionStats> peerConnStats =
createtRTCPeerConnectionStats (stats);
peerConnStats->setTimestamp (timestamp);
statsReport[peerConnStats->getId ()] = peerConnStats;
}
/* filter out the audio and video related fields from the up-stream caps,
because they are not relevant to the input caps of this element and
can cause caps negotiation failures with adaptive bitrate streams */
static void
gst_cenc_remove_codec_fields (GstStructure *gs)
{
gint j, n_fields = gst_structure_n_fields (gs);
for(j=n_fields-1; j>=0; --j){
const gchar *field_name;
field_name = gst_structure_nth_field_name (gs, j);
GST_TRACE ("Check field \"%s\" for removal", field_name);
if( g_strcmp0 (field_name, "base-profile")==0 ||
g_strcmp0 (field_name, "codec_data")==0 ||
g_strcmp0 (field_name, "height")==0 ||
g_strcmp0 (field_name, "framerate")==0 ||
g_strcmp0 (field_name, "level")==0 ||
g_strcmp0 (field_name, "pixel-aspect-ratio")==0 ||
g_strcmp0 (field_name, "profile")==0 ||
g_strcmp0 (field_name, "rate")==0 ||
g_strcmp0 (field_name, "width")==0 ){
gst_structure_remove_field (gs, field_name);
GST_TRACE ("Removing field %s", field_name);
}
}
}
/*
Given the pad in this direction and the given caps, what caps are allowed on
the other pad in this element ?
*/
static GstCaps *
gst_cenc_decrypt_transform_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *res = NULL;
gint i, j;
g_return_val_if_fail (direction != GST_PAD_UNKNOWN, NULL);
GST_DEBUG_OBJECT (base, "direction: %s caps: %" GST_PTR_FORMAT " filter:"
" %" GST_PTR_FORMAT, (direction == GST_PAD_SRC) ? "Src" : "Sink",
caps, filter);
if(direction == GST_PAD_SRC && gst_caps_is_any (caps)){
res = gst_pad_get_pad_template_caps (GST_BASE_TRANSFORM_SINK_PAD (base));
goto filter;
}
res = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (caps); ++i) {
GstStructure *in = gst_caps_get_structure (caps, i);
GstStructure *out = NULL;
if (direction == GST_PAD_SINK) {
gint n_fields;
if (!gst_structure_has_field (in, "original-media-type"))
continue;
out = gst_structure_copy (in);
n_fields = gst_structure_n_fields (in);
gst_structure_set_name (out,
gst_structure_get_string (out, "original-media-type"));
/* filter out the DRM related fields from the down-stream caps */
for(j=n_fields-1; j>=0; --j){
const gchar *field_name;
field_name = gst_structure_nth_field_name (in, j);
if( g_str_has_prefix(field_name, "protection-system") ||
g_str_has_prefix(field_name, "original-media-type") ){
gst_structure_remove_field (out, field_name);
}
}
gst_cenc_decrypt_append_if_not_duplicate(res, out);
} else { /* GST_PAD_SRC */
gint n_fields;
GstStructure *tmp = NULL;
guint p;
tmp = gst_structure_copy (in);
gst_cenc_remove_codec_fields (tmp);
for(p=0; gst_cenc_decrypt_protection_ids[p]; ++p){
/* filter out the audio/video related fields from the down-stream
caps, because they are not relevant to the input caps of this
element and they can cause caps negotiation failures with
adaptive bitrate streams */
out = gst_structure_copy (tmp);
gst_structure_set (out,
"protection-system", G_TYPE_STRING, gst_cenc_decrypt_protection_ids[p],
"original-media-type", G_TYPE_STRING, gst_structure_get_name (in),
NULL);
gst_structure_set_name (out, "application/x-cenc");
gst_cenc_decrypt_append_if_not_duplicate(res, out);
}
gst_structure_free (tmp);
}
}
if(direction == GST_PAD_SINK && gst_caps_get_size (res)==0){
gst_caps_unref (res);
res = gst_caps_new_any ();
}
filter:
if (filter) {
GstCaps *intersection;
GST_DEBUG_OBJECT (base, "Using filter caps %" GST_PTR_FORMAT, filter);
intersection =
gst_caps_intersect_full (res, filter, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (res);
res = intersection;
}
GST_DEBUG_OBJECT (base, "returning %" GST_PTR_FORMAT, res);
return res;
}
static void
kms_crowd_detector_extract_rois (KmsCrowdDetector * self)
{
int it = 0, it2;
self->priv->num_rois = gst_structure_n_fields (self->priv->rois);
if (self->priv->num_rois != 0) {
self->priv->curves = g_malloc0 (sizeof (CvPoint *) * self->priv->num_rois);
self->priv->n_points = g_malloc (sizeof (int) * self->priv->num_rois);
self->priv->rois_data = g_malloc0 (sizeof (RoiData) * self->priv->num_rois);
}
while (it < self->priv->num_rois) {
int len;
GstStructure *roi;
gboolean ret2;
const gchar *nameRoi = gst_structure_nth_field_name (self->priv->rois, it);
ret2 = gst_structure_get (self->priv->rois, nameRoi,
GST_TYPE_STRUCTURE, &roi, NULL);
if (!ret2) {
continue;
}
len = gst_structure_n_fields (roi) - 1;
self->priv->n_points[it] = len;
if (len == 0) {
self->priv->num_rois--;
continue;
} else {
self->priv->curves[it] = g_malloc (sizeof (CvPoint) * len);
}
for (it2 = 0; it2 < len; it2++) {
const gchar *name = gst_structure_nth_field_name (roi, it2);
GstStructure *point;
gboolean ret;
ret = gst_structure_get (roi, name, GST_TYPE_STRUCTURE, &point, NULL);
if (ret) {
gfloat percentageX;
gfloat percentageY;
gst_structure_get (point, "x", G_TYPE_FLOAT, &percentageX, NULL);
gst_structure_get (point, "y", G_TYPE_FLOAT, &percentageY, NULL);
self->priv->curves[it][it2].x = percentageX * self->priv->image_width;
self->priv->curves[it][it2].y = percentageY * self->priv->image_height;
}
gst_structure_free (point);
}
{
const gchar *name = gst_structure_nth_field_name (roi, it2);
GstStructure *point;
gboolean ret;
ret = gst_structure_get (roi, name, GST_TYPE_STRUCTURE, &point, NULL);
if (ret) {
self->priv->rois_data[it].name = NULL;
gst_structure_get (point, "id", G_TYPE_STRING,
&self->priv->rois_data[it].name, NULL);
gst_structure_get (point, "occupancy_level_min", G_TYPE_INT,
&self->priv->rois_data[it].occupancy_level_min, NULL);
gst_structure_get (point, "occupancy_level_med", G_TYPE_INT,
&self->priv->rois_data[it].occupancy_level_med, NULL);
gst_structure_get (point, "occupancy_level_max", G_TYPE_INT,
&self->priv->rois_data[it].occupancy_level_max, NULL);
gst_structure_get (point, "occupancy_num_frames_to_event", G_TYPE_INT,
&self->priv->rois_data[it].occupancy_num_frames_to_event, NULL);
gst_structure_get (point, "fluidity_level_min", G_TYPE_INT,
&self->priv->rois_data[it].fluidity_level_min, NULL);
gst_structure_get (point, "fluidity_level_med", G_TYPE_INT,
&self->priv->rois_data[it].fluidity_level_med, NULL);
gst_structure_get (point, "fluidity_level_max", G_TYPE_INT,
&self->priv->rois_data[it].fluidity_level_max, NULL);
gst_structure_get (point, "fluidity_num_frames_to_event", G_TYPE_INT,
&self->priv->rois_data[it].fluidity_num_frames_to_event, NULL);
gst_structure_get (point, "send_optical_flow_event", G_TYPE_BOOLEAN,
&self->priv->rois_data[it].send_optical_flow_event, NULL);
gst_structure_get (point, "optical_flow_num_frames_to_event",
G_TYPE_INT,
&self->priv->rois_data[it].optical_flow_num_frames_to_event, NULL);
gst_structure_get (point, "optical_flow_num_frames_to_reset",
G_TYPE_INT,
&self->priv->rois_data[it].optical_flow_num_frames_to_reset, NULL);
gst_structure_get (point, "optical_flow_angle_offset", G_TYPE_INT,
&self->priv->rois_data[it].optical_flow_angle_offset, NULL);
GST_DEBUG
("rois info loaded: %s %d %d %d %d %d %d %d %d %d %d %d %d",
self->priv->rois_data[it].name,
self->priv->rois_data[it].occupancy_level_min,
self->priv->rois_data[it].occupancy_level_med,
self->priv->rois_data[it].occupancy_level_max,
self->priv->rois_data[it].occupancy_num_frames_to_event,
self->priv->rois_data[it].fluidity_level_min,
self->priv->rois_data[it].fluidity_level_med,
self->priv->rois_data[it].fluidity_level_max,
self->priv->rois_data[it].fluidity_num_frames_to_event,
self->priv->rois_data[it].send_optical_flow_event,
self->priv->rois_data[it].optical_flow_num_frames_to_event,
self->priv->rois_data[it].optical_flow_num_frames_to_reset,
self->priv->rois_data[it].optical_flow_angle_offset);
}
gst_structure_free (point);
}
gst_structure_free (roi);
it++;
}
self->priv->pixels_rois_counted = TRUE;
}
static void
make_media (GstSDPMessage * sdp, GstSDPInfo * info, GstRTSPMedia * media,
GstRTSPStream * stream, GstStructure * s, GstRTSPProfile profile)
{
GstSDPMedia *smedia;
const gchar *caps_str, *caps_enc, *caps_params;
gchar *tmp;
gint caps_pt, caps_rate;
guint n_fields, j;
gboolean first;
GString *fmtp;
GstRTSPLowerTrans ltrans;
GSocketFamily family;
const gchar *addrtype, *proto;
gchar *address;
guint ttl;
GstClockTime rtx_time;
gst_sdp_media_new (&smedia);
/* get media type and payload for the m= line */
caps_str = gst_structure_get_string (s, "media");
gst_sdp_media_set_media (smedia, caps_str);
gst_structure_get_int (s, "payload", &caps_pt);
tmp = g_strdup_printf ("%d", caps_pt);
gst_sdp_media_add_format (smedia, tmp);
g_free (tmp);
gst_sdp_media_set_port_info (smedia, 0, 1);
switch (profile) {
case GST_RTSP_PROFILE_AVP:
proto = "RTP/AVP";
break;
case GST_RTSP_PROFILE_AVPF:
proto = "RTP/AVPF";
break;
case GST_RTSP_PROFILE_SAVP:
proto = "RTP/SAVP";
break;
case GST_RTSP_PROFILE_SAVPF:
proto = "RTP/SAVPF";
break;
default:
proto = "udp";
break;
}
gst_sdp_media_set_proto (smedia, proto);
if (info->is_ipv6) {
addrtype = "IP6";
family = G_SOCKET_FAMILY_IPV6;
} else {
addrtype = "IP4";
family = G_SOCKET_FAMILY_IPV4;
}
ltrans = gst_rtsp_stream_get_protocols (stream);
if (ltrans == GST_RTSP_LOWER_TRANS_UDP_MCAST) {
GstRTSPAddress *addr;
addr = gst_rtsp_stream_get_multicast_address (stream, family);
if (addr == NULL)
goto no_multicast;
address = g_strdup (addr->address);
ttl = addr->ttl;
gst_rtsp_address_free (addr);
} else {
ttl = 16;
if (info->is_ipv6)
address = g_strdup ("::");
else
address = g_strdup ("0.0.0.0");
}
/* for the c= line */
gst_sdp_media_add_connection (smedia, "IN", addrtype, address, ttl, 1);
g_free (address);
/* get clock-rate, media type and params for the rtpmap attribute */
gst_structure_get_int (s, "clock-rate", &caps_rate);
caps_enc = gst_structure_get_string (s, "encoding-name");
caps_params = gst_structure_get_string (s, "encoding-params");
if (caps_enc) {
if (caps_params)
tmp = g_strdup_printf ("%d %s/%d/%s", caps_pt, caps_enc, caps_rate,
caps_params);
else
tmp = g_strdup_printf ("%d %s/%d", caps_pt, caps_enc, caps_rate);
gst_sdp_media_add_attribute (smedia, "rtpmap", tmp);
g_free (tmp);
}
/* the config uri */
tmp = gst_rtsp_stream_get_control (stream);
gst_sdp_media_add_attribute (smedia, "control", tmp);
g_free (tmp);
/* check for srtp */
do {
GstBuffer *srtpkey;
const GValue *val;
const gchar *srtpcipher, *srtpauth, *srtcpcipher, *srtcpauth;
GstMIKEYMessage *msg;
GstMIKEYPayload *payload, *pkd;
GBytes *bytes;
GstMapInfo info;
const guint8 *data;
gsize size;
gchar *base64;
guint8 byte;
guint32 ssrc;
val = gst_structure_get_value (s, "srtp-key");
if (val == NULL)
break;
srtpkey = gst_value_get_buffer (val);
if (srtpkey == NULL)
break;
srtpcipher = gst_structure_get_string (s, "srtp-cipher");
srtpauth = gst_structure_get_string (s, "srtp-auth");
srtcpcipher = gst_structure_get_string (s, "srtcp-cipher");
srtcpauth = gst_structure_get_string (s, "srtcp-auth");
if (srtpcipher == NULL || srtpauth == NULL || srtcpcipher == NULL ||
srtcpauth == NULL)
break;
msg = gst_mikey_message_new ();
/* unencrypted MIKEY message, we send this over TLS so this is allowed */
gst_mikey_message_set_info (msg, GST_MIKEY_VERSION, GST_MIKEY_TYPE_PSK_INIT,
FALSE, GST_MIKEY_PRF_MIKEY_1, 0, GST_MIKEY_MAP_TYPE_SRTP);
/* add policy '0' for our SSRC */
gst_rtsp_stream_get_ssrc (stream, &ssrc);
gst_mikey_message_add_cs_srtp (msg, 0, ssrc, 0);
/* timestamp is now */
gst_mikey_message_add_t_now_ntp_utc (msg);
/* add some random data */
gst_mikey_message_add_rand_len (msg, 16);
/* the policy '0' is SRTP with the above discovered algorithms */
payload = gst_mikey_payload_new (GST_MIKEY_PT_SP);
gst_mikey_payload_sp_set (payload, 0, GST_MIKEY_SEC_PROTO_SRTP);
/* only AES-CM is supported */
byte = 1;
gst_mikey_payload_sp_add_param (payload, GST_MIKEY_SP_SRTP_ENC_ALG, 1,
&byte);
/* Encryption key length */
byte = enc_key_length_from_cipher_name (srtpcipher);
gst_mikey_payload_sp_add_param (payload, GST_MIKEY_SP_SRTP_ENC_KEY_LEN, 1,
&byte);
/* only HMAC-SHA1 */
gst_mikey_payload_sp_add_param (payload, GST_MIKEY_SP_SRTP_AUTH_ALG, 1,
&byte);
/* Authentication key length */
byte = auth_key_length_from_auth_name (srtpauth);
gst_mikey_payload_sp_add_param (payload, GST_MIKEY_SP_SRTP_AUTH_KEY_LEN, 1,
&byte);
/* we enable encryption on RTP and RTCP */
gst_mikey_payload_sp_add_param (payload, GST_MIKEY_SP_SRTP_SRTP_ENC, 1,
&byte);
gst_mikey_payload_sp_add_param (payload, GST_MIKEY_SP_SRTP_SRTCP_ENC, 1,
&byte);
/* we enable authentication on RTP and RTCP */
gst_mikey_payload_sp_add_param (payload, GST_MIKEY_SP_SRTP_SRTP_AUTH, 1,
&byte);
gst_mikey_message_add_payload (msg, payload);
/* make unencrypted KEMAC */
payload = gst_mikey_payload_new (GST_MIKEY_PT_KEMAC);
gst_mikey_payload_kemac_set (payload, GST_MIKEY_ENC_NULL,
GST_MIKEY_MAC_NULL);
/* add the key in key data */
pkd = gst_mikey_payload_new (GST_MIKEY_PT_KEY_DATA);
gst_buffer_map (srtpkey, &info, GST_MAP_READ);
gst_mikey_payload_key_data_set_key (pkd, GST_MIKEY_KD_TEK, info.size,
info.data);
gst_buffer_unmap (srtpkey, &info);
/* add key data to KEMAC */
gst_mikey_payload_kemac_add_sub (payload, pkd);
gst_mikey_message_add_payload (msg, payload);
/* now serialize this to bytes */
bytes = gst_mikey_message_to_bytes (msg, NULL, NULL);
gst_mikey_message_unref (msg);
/* and make it into base64 */
data = g_bytes_get_data (bytes, &size);
base64 = g_base64_encode (data, size);
g_bytes_unref (bytes);
tmp = g_strdup_printf ("mikey %s", base64);
g_free (base64);
gst_sdp_media_add_attribute (smedia, "key-mgmt", tmp);
g_free (tmp);
} while (FALSE);
/* collect all other properties and add them to fmtp or attributes */
fmtp = g_string_new ("");
g_string_append_printf (fmtp, "%d ", caps_pt);
first = TRUE;
n_fields = gst_structure_n_fields (s);
for (j = 0; j < n_fields; j++) {
const gchar *fname, *fval;
fname = gst_structure_nth_field_name (s, j);
/* filter out standard properties */
if (!strcmp (fname, "media"))
continue;
if (!strcmp (fname, "payload"))
continue;
if (!strcmp (fname, "clock-rate"))
continue;
if (!strcmp (fname, "encoding-name"))
continue;
if (!strcmp (fname, "encoding-params"))
continue;
if (!strcmp (fname, "ssrc"))
continue;
if (!strcmp (fname, "timestamp-offset"))
continue;
if (!strcmp (fname, "seqnum-offset"))
continue;
if (g_str_has_prefix (fname, "srtp-"))
continue;
if (g_str_has_prefix (fname, "srtcp-"))
continue;
/* handled later */
if (g_str_has_prefix (fname, "x-gst-rtsp-server-rtx-time"))
continue;
if (!strcmp (fname, "a-framesize")) {
/* a-framesize attribute */
if ((fval = gst_structure_get_string (s, fname))) {
tmp = g_strdup_printf ("%d %s", caps_pt, fval);
gst_sdp_media_add_attribute (smedia, fname + 2, tmp);
g_free (tmp);
}
continue;
}
if (g_str_has_prefix (fname, "a-")) {
/* attribute */
if ((fval = gst_structure_get_string (s, fname)))
gst_sdp_media_add_attribute (smedia, fname + 2, fval);
continue;
}
if (g_str_has_prefix (fname, "x-")) {
/* attribute */
if ((fval = gst_structure_get_string (s, fname)))
gst_sdp_media_add_attribute (smedia, fname, fval);
continue;
}
if ((fval = gst_structure_get_string (s, fname))) {
g_string_append_printf (fmtp, "%s%s=%s", first ? "" : ";", fname, fval);
first = FALSE;
}
}
if (!first) {
tmp = g_string_free (fmtp, FALSE);
gst_sdp_media_add_attribute (smedia, "fmtp", tmp);
g_free (tmp);
} else {
g_string_free (fmtp, TRUE);
}
update_sdp_from_tags (stream, smedia);
if ((rtx_time = gst_rtsp_stream_get_retransmission_time (stream))) {
/* ssrc multiplexed retransmit functionality */
guint rtx_pt = gst_rtsp_stream_get_retransmission_pt (stream);
if (rtx_pt == 0) {
g_warning ("failed to find an available dynamic payload type. "
"Not adding retransmission");
} else {
gchar *tmp;
tmp = g_strdup_printf ("%d", rtx_pt);
gst_sdp_media_add_format (smedia, tmp);
g_free (tmp);
tmp = g_strdup_printf ("%d rtx/%d", rtx_pt, caps_rate);
gst_sdp_media_add_attribute (smedia, "rtpmap", tmp);
g_free (tmp);
tmp =
g_strdup_printf ("%d apt=%d;rtx-time=%" G_GINT64_FORMAT, rtx_pt,
caps_pt, GST_TIME_AS_MSECONDS (rtx_time));
gst_sdp_media_add_attribute (smedia, "fmtp", tmp);
g_free (tmp);
}
}
gst_sdp_message_add_media (sdp, smedia);
gst_sdp_media_free (smedia);
return;
/* ERRORS */
no_multicast:
{
gst_sdp_media_free (smedia);
g_warning ("ignoring stream %d without multicast address",
gst_rtsp_stream_get_index (stream));
return;
}
}
static gboolean
plugin_init (GstPlugin * plugin)
{
gboolean res = FALSE;
gint n = 0;
GST_DEBUG_CATEGORY_INIT (ladspa_debug, "ladspa", 0, "LADSPA plugins");
#ifdef ENABLE_NLS
GST_DEBUG_OBJECT (plugin, "binding text domain %s to locale dir %s",
GETTEXT_PACKAGE, LOCALEDIR);
bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif
gst_plugin_add_dependency_simple (plugin,
"LADSPA_PATH",
GST_LADSPA_DEFAULT_PATH, NULL, GST_PLUGIN_DEPENDENCY_FLAG_NONE);
#ifdef HAVE_LRDF
lrdf_init ();
#endif
ladspa_meta_all = (GstStructure *) gst_plugin_get_cache_data (plugin);
if (ladspa_meta_all) {
n = gst_structure_n_fields (ladspa_meta_all);
}
GST_INFO_OBJECT (plugin, "%d entries in cache", n);
if (!n) {
ladspa_meta_all = gst_structure_new_empty ("ladspa");
if ((res = ladspa_plugin_path_search (plugin))) {
n = gst_structure_n_fields (ladspa_meta_all);
GST_INFO_OBJECT (plugin, "%d entries after scanning", n);
gst_plugin_set_cache_data (plugin, ladspa_meta_all);
}
} else {
res = TRUE;
}
if (n) {
gint i;
const gchar *name;
const GValue *value;
GST_INFO_OBJECT (plugin, "register types");
for (i = 0; i < n; i++) {
name = gst_structure_nth_field_name (ladspa_meta_all, i);
value = gst_structure_get_value (ladspa_meta_all, name);
if (G_VALUE_TYPE (value) == GST_TYPE_STRUCTURE) {
GstStructure *ladspa_meta = g_value_get_boxed (value);
ladspa_plugin_register_element (plugin, ladspa_meta);
}
}
}
if (!res) {
GST_WARNING_OBJECT (plugin, "no LADSPA plugins found, check LADSPA_PATH");
}
/* we don't want to fail, even if there are no elements registered */
return TRUE;
}
static GstCaps* webkitMediaPlayReadyDecryptTransformCaps(GstBaseTransform* base, GstPadDirection direction, GstCaps* caps, GstCaps* filter)
{
g_return_val_if_fail(direction != GST_PAD_UNKNOWN, nullptr);
GstCaps* transformedCaps = gst_caps_new_empty();
GST_LOG_OBJECT(base, "direction: %s, caps: %" GST_PTR_FORMAT " filter:"
" %" GST_PTR_FORMAT, (direction == GST_PAD_SRC) ? "src" : "sink", caps, filter);
unsigned size = gst_caps_get_size(caps);
for (unsigned i = 0; i < size; ++i) {
GstStructure* in = gst_caps_get_structure(caps, i);
GstStructure* out = nullptr;
if (direction == GST_PAD_SINK) {
if (!gst_structure_has_field(in, "original-media-type"))
continue;
out = gst_structure_copy(in);
gst_structure_set_name(out, gst_structure_get_string(out, "original-media-type"));
/* filter out the DRM related fields from the down-stream caps */
for (int j = 0; j < gst_structure_n_fields(in); ++j) {
const gchar* fieldName = gst_structure_nth_field_name(in, j);
if (g_str_has_prefix(fieldName, "protection-system")
|| g_str_has_prefix(fieldName, "original-media-type"))
gst_structure_remove_field(out, fieldName);
}
} else {
GstStructure* tmp = gst_structure_copy(in);
/* filter out the video related fields from the up-stream caps,
because they are not relevant to the input caps of this element and
can cause caps negotiation failures with adaptive bitrate streams */
for (int index = gst_structure_n_fields(tmp) - 1; index >= 0; --index) {
const gchar* fieldName = gst_structure_nth_field_name(tmp, index);
GST_TRACE("Check field \"%s\" for removal", fieldName);
if (!g_strcmp0(fieldName, "base-profile")
|| !g_strcmp0(fieldName, "codec_data")
|| !g_strcmp0(fieldName, "height")
|| !g_strcmp0(fieldName, "framerate")
|| !g_strcmp0(fieldName, "level")
|| !g_strcmp0(fieldName, "pixel-aspect-ratio")
|| !g_strcmp0(fieldName, "profile")
|| !g_strcmp0(fieldName, "rate")
|| !g_strcmp0(fieldName, "width")) {
gst_structure_remove_field(tmp, fieldName);
GST_TRACE("Removing field %s", fieldName);
}
}
out = gst_structure_copy(tmp);
gst_structure_set(out, "protection-system", G_TYPE_STRING, PLAYREADY_PROTECTION_SYSTEM_ID,
"original-media-type", G_TYPE_STRING, gst_structure_get_name(in), nullptr);
gst_structure_set_name(out, "application/x-cenc");
gst_structure_free(tmp);
}
webkitMediaPlayReadyDecryptCapsAppendIfNotDuplicate(transformedCaps, out);
}
if (filter) {
GstCaps* intersection;
GST_LOG_OBJECT(base, "Using filter caps %" GST_PTR_FORMAT, filter);
intersection = gst_caps_intersect_full(transformedCaps, filter, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref(transformedCaps);
transformedCaps = intersection;
}
GST_LOG_OBJECT(base, "returning %" GST_PTR_FORMAT, transformedCaps);
return transformedCaps;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
guint i, cnt;
GST_DEBUG_CATEGORY_INIT (gstomx_debug, "omx", 0, "gst-openmax");
GST_DEBUG_CATEGORY_INIT (gstomx_util_debug, "omx_util", 0,
"gst-openmax utility");
element_name_quark = g_quark_from_static_string ("element-name");
/*
* First, call all the _get_type() functions to ensure the types are
* registered.
*/
for (i = 0; i < G_N_ELEMENTS (get_type); i++)
get_type[i] ();
fetch_element_table (plugin);
g_omx_init ();
cnt = gst_structure_n_fields (element_table);
for (i = 0; i < cnt; i++) {
const gchar *element_name = gst_structure_nth_field_name (element_table, i);
GstStructure *element = get_element_entry (element_name);
const gchar *type_name, *parent_type_name;
const gchar *component_name, *library_name;
GType type;
gint rank;
GST_DEBUG ("element_name=%s, element=%" GST_PTR_FORMAT, element_name,
element);
parent_type_name = gst_structure_get_string (element, "parent-type");
type_name = gst_structure_get_string (element, "type");
component_name = gst_structure_get_string (element, "component-name");
library_name = gst_structure_get_string (element, "library-name");
if (!type_name || !component_name || !library_name) {
g_warning ("malformed config file: missing required fields for %s",
element_name);
return FALSE;
}
if (parent_type_name) {
type = g_type_from_name (parent_type_name);
if (type) {
type = create_subtype (type, type_name);
} else {
g_warning ("malformed config file: invalid parent-type '%s' for %s",
parent_type_name, element_name);
return FALSE;
}
} else {
type = g_type_from_name (type_name);
}
if (!type) {
g_warning ("malformed config file: invalid type '%s' for %s",
type_name, element_name);
return FALSE;
}
g_type_set_qdata (type, element_name_quark, (gpointer) element_name);
if (!gst_structure_get_int (element, "rank", &rank)) {
/* use default rank: */
rank = GST_RANK_NONE;
}
if (!gst_element_register (plugin, element_name, rank, type)) {
g_warning ("failed registering '%s'", element_name);
return FALSE;
}
}
return TRUE;
}
// possible values in GstCaps are:
// width
// height
// format
// framerate
bool ExtractImageParams(GstCaps *caps, int & width, int & height, PixelFormat & pixelFormat)
{
width = height = 0;
pixelFormat = PF__UNKNOWN;
char text[4000];
text[0] = 0;
strcat_s(text, "\r\n\r\n");
for (unsigned int j = 0; j < gst_caps_get_size(caps); ++j)
{
GstStructure * structure = gst_caps_get_structure(caps, j);
for (int i = 0; i < gst_structure_n_fields(structure); ++i)
{
const char * name = gst_structure_nth_field_name(structure, i);
GType type = gst_structure_get_field_type(structure, name);
const GValue * value = gst_structure_get_value(structure, name);
if (strcmp("width", name) == 0)
{
width = value->data->v_int;
}
if (strcmp("height", name) == 0)
{
height = value->data->v_int;
}
if (strcmp("format", name) == 0)
{
const gchar * format = g_value_get_string(value);
if (strcmp(format, "RGB") == 0)
pixelFormat = PF__RGB;
else if (strcmp(format, "BGR") == 0)
pixelFormat = PF__BGR;
else if (strcmp(format, "I420") == 0)
pixelFormat = PF__I420;
}
strcat_s(text, name);
strcat_s(text, "[");
strcat_s(text, g_type_name(type));
strcat_s(text, ":");
if (g_type_is_a(type, G_TYPE_STRING))
strcat_s(text, g_value_get_string(value));
else if (GST_VALUE_HOLDS_FRACTION(&type))
{
char size[100];
sprintf_s(size, "%d/%d", value->data[0].v_int, value->data[1].v_int);
strcat_s(text, size);
}
else
{
char size[100];
sprintf_s(size, "%d", value->data->v_int);
strcat_s(text, size);
}
strcat(text ,"]\r\n");
}
printf(text);
}
return width > 0 && height > 0 && pixelFormat != PF__UNKNOWN;
}
/*
* Makes a pipeline in the form:
* filesrc location=file ! demuxer ! fakesink
*
* And gets the tags that are posted on the bus to compare
* with the tags in 'tag_str'
*/
static void
test_demux_tags (const gchar * tag_str, const gchar * demuxer,
const gchar * file)
{
GstElement *pipeline;
GstBus *bus;
GMainLoop *loop;
GstTagList *sent_tags;
gint i, j, n_recv, n_sent;
const gchar *name_sent, *name_recv;
const GValue *value_sent, *value_recv;
gboolean found;
gint comparison;
GstElement *demux;
gchar *launch_str;
guint bus_watch = 0;
GST_DEBUG ("testing tags : %s", tag_str);
if (received_tags) {
gst_tag_list_free (received_tags);
received_tags = NULL;
}
launch_str = g_strdup_printf ("filesrc location=%s ! %s name=demux ! "
"fakesink", file, demuxer);
pipeline = gst_parse_launch (launch_str, NULL);
g_free (launch_str);
fail_unless (pipeline != NULL);
demux = gst_bin_get_by_name (GST_BIN (pipeline), "demux");
fail_unless (demux != NULL);
loop = g_main_loop_new (NULL, TRUE);
fail_unless (loop != NULL);
bus = gst_element_get_bus (pipeline);
fail_unless (bus != NULL);
bus_watch = gst_bus_add_watch (bus, bus_handler, loop);
gst_object_unref (bus);
sent_tags = gst_structure_from_string (tag_str, NULL);
fail_unless (sent_tags != NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_main_loop_run (loop);
GST_DEBUG ("mainloop done : %p", received_tags);
/* verify tags */
fail_unless (received_tags != NULL);
n_recv = gst_structure_n_fields (received_tags);
n_sent = gst_structure_n_fields (sent_tags);
fail_unless (n_recv >= n_sent);
/* FIXME: compare taglits values */
for (i = 0; i < n_sent; i++) {
name_sent = gst_structure_nth_field_name (sent_tags, i);
value_sent = gst_structure_get_value (sent_tags, name_sent);
found = FALSE;
for (j = 0; j < n_recv; j++) {
name_recv = gst_structure_nth_field_name (received_tags, j);
if (!strcmp (name_sent, name_recv)) {
value_recv = gst_structure_get_value (received_tags, name_recv);
comparison = gst_value_compare (value_sent, value_recv);
if (comparison != GST_VALUE_EQUAL) {
gchar *vs = g_strdup_value_contents (value_sent);
gchar *vr = g_strdup_value_contents (value_recv);
GST_DEBUG ("sent = %s:'%s', recv = %s:'%s'",
G_VALUE_TYPE_NAME (value_sent), vs,
G_VALUE_TYPE_NAME (value_recv), vr);
g_free (vs);
g_free (vr);
}
fail_unless (comparison == GST_VALUE_EQUAL,
"tag item %s has been received with different type or value",
name_sent);
found = TRUE;
break;
}
}
fail_unless (found, "tag item %s is lost", name_sent);
}
gst_tag_list_free (received_tags);
received_tags = NULL;
gst_tag_list_free (sent_tags);
gst_element_set_state (pipeline, GST_STATE_NULL);
g_main_loop_unref (loop);
g_object_unref (demux);
g_object_unref (pipeline);
g_source_remove (bus_watch);
}
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
{
const GstStructure *structure;
gint64 position, length;
GstFormat format = GST_FORMAT_TIME;
const GValue *x_value, *y_value;
gint x, i, y;
/* select msg */
if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT ||
!gst_structure_has_name (gst_message_get_structure (message),
"hand-gesture"))
return GST_BUS_PASS;
/* parse msg structure */
structure = gst_message_get_structure (message);
/* if PALM gesture detected */
if (structure &&
strcmp (gst_structure_get_name (structure), "hand-gesture") == 0 &&
strcmp (gst_structure_get_string (structure, "gesture"), "palm") == 0) {
/* media operation - closed palm to stop media play */
gst_element_set_state (playbin, GST_STATE_PAUSED);
}
/* if FIST gesture detected */
if (structure &&
strcmp (gst_structure_get_name (structure), "hand-gesture") == 0 &&
strcmp (gst_structure_get_string (structure, "gesture"), "fist") == 0) {
/* print message type and structure name */
g_print ("%s{{%s}}\n", gst_message_type_get_name (message->type),
gst_structure_get_name (structure));
/* print msg structure names&values */
for (i = 0; i < gst_structure_n_fields (structure); i++) {
const gchar *name = gst_structure_nth_field_name (structure, i);
GType type = gst_structure_get_field_type (structure, name);
const GValue *value = gst_structure_get_value (structure, name);
type == G_TYPE_STRING ?
g_print ("-%s[%s]{%s}\n", name, g_type_name (type),
g_value_get_string (value)) : g_print ("-%s[%s]{%d}\n", name,
g_type_name (type), g_value_get_uint (value));
}
g_print ("\n");
/* get X,Y positions in frame */
x_value = gst_structure_get_value (structure, "x");
x = g_value_get_uint (x_value);
y_value = gst_structure_get_value (structure, "y");
y = g_value_get_uint (y_value);
/* set object volumes [0-10] based on Y */
g_object_set (G_OBJECT (playbin), "volume", (gdouble) (10 - y / 24), NULL);
/* seek playback positions */
gst_element_query_duration (playbin, format, &length);
/* Width = 320 is specified in caps */
position = (gint64) length *x / 320;
gst_element_set_state (playbin, GST_STATE_PAUSED);
gst_element_seek (GST_ELEMENT (playbin),
1.0,
format,
GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
gst_element_set_state (GST_ELEMENT (playbin), GST_STATE_PLAYING);
}
gst_message_unref (message);
return GST_BUS_DROP;
}
static void
kms_pointer_detector_load_buttonsLayout (KmsPointerDetector * pointerdetector)
{
int aux, len;
gboolean have_inactive_icon, have_active_icon, have_transparency;
gchar *inactive_uri, *active_uri;
if (pointerdetector->buttonsLayoutList != NULL) {
kms_pointer_detector_dispose_buttons_layout_list (pointerdetector);
}
len = gst_structure_n_fields (pointerdetector->buttonsLayout);
GST_DEBUG ("len: %d", len);
for (aux = 0; aux < len; aux++) {
const gchar *name =
gst_structure_nth_field_name (pointerdetector->buttonsLayout, aux);
GstStructure *button;
gboolean ret;
ret =
gst_structure_get (pointerdetector->buttonsLayout, name,
GST_TYPE_STRUCTURE, &button, NULL);
if (ret) {
ButtonStruct *structAux = g_malloc0 (sizeof (ButtonStruct));
IplImage *aux = NULL;
gst_structure_get (button, "upRightCornerX", G_TYPE_INT,
&structAux->cvButtonLayout.x, NULL);
gst_structure_get (button, "upRightCornerY", G_TYPE_INT,
&structAux->cvButtonLayout.y, NULL);
gst_structure_get (button, "width", G_TYPE_INT,
&structAux->cvButtonLayout.width, NULL);
gst_structure_get (button, "height", G_TYPE_INT,
&structAux->cvButtonLayout.height, NULL);
gst_structure_get (button, "id", G_TYPE_STRING, &structAux->id, NULL);
have_inactive_icon =
gst_structure_get (button, "inactive_uri", G_TYPE_STRING,
&inactive_uri, NULL);
have_transparency =
gst_structure_get (button, "transparency", G_TYPE_DOUBLE,
&structAux->transparency, NULL);
have_active_icon =
gst_structure_get (button, "active_uri", G_TYPE_STRING, &active_uri,
NULL);
if (have_inactive_icon) {
aux =
load_image (inactive_uri, pointerdetector->images_dir,
structAux->id, INACTIVE_IMAGE_VARIANT_NAME);
if (aux != NULL) {
structAux->inactive_icon =
cvCreateImage (cvSize (structAux->cvButtonLayout.width,
structAux->cvButtonLayout.height), aux->depth,
aux->nChannels);
cvResize (aux, structAux->inactive_icon, CV_INTER_CUBIC);
cvReleaseImage (&aux);
} else {
structAux->inactive_icon = NULL;
}
} else {
structAux->inactive_icon = NULL;
}
if (have_active_icon) {
aux =
load_image (active_uri, pointerdetector->images_dir, structAux->id,
ACTIVE_IMAGE_VARIANT_NAME);
if (aux != NULL) {
structAux->active_icon =
cvCreateImage (cvSize (structAux->cvButtonLayout.width,
structAux->cvButtonLayout.height), aux->depth,
aux->nChannels);
cvResize (aux, structAux->active_icon, CV_INTER_CUBIC);
cvReleaseImage (&aux);
} else {
structAux->active_icon = NULL;
}
} else {
structAux->active_icon = NULL;
}
if (have_transparency) {
structAux->transparency = 1.0 - structAux->transparency;
} else {
structAux->transparency = 1.0;
}
GST_DEBUG ("check: %d %d %d %d", structAux->cvButtonLayout.x,
structAux->cvButtonLayout.y, structAux->cvButtonLayout.width,
structAux->cvButtonLayout.height);
pointerdetector->buttonsLayoutList =
g_slist_append (pointerdetector->buttonsLayoutList, structAux);
gst_structure_free (button);
if (have_inactive_icon) {
g_free (inactive_uri);
}
if (have_active_icon) {
g_free (active_uri);
}
}
}
}
static GstCaps* webkitMediaCommonEncryptionDecryptTransformCaps(GstBaseTransform* base, GstPadDirection direction, GstCaps* caps, GstCaps* filter)
{
if (direction == GST_PAD_UNKNOWN)
return nullptr;
GstCaps* transformedCaps = gst_caps_new_empty();
WebKitMediaCommonEncryptionDecrypt* self = WEBKIT_MEDIA_CENC_DECRYPT(base);
WebKitMediaCommonEncryptionDecryptClass* klass = WEBKIT_MEDIA_CENC_DECRYPT_GET_CLASS(self);
GST_DEBUG_OBJECT(base, "direction: %s, caps: %" GST_PTR_FORMAT " filter: %" GST_PTR_FORMAT, (direction == GST_PAD_SRC) ? "src" : "sink", caps, filter);
unsigned size = gst_caps_get_size(caps);
for (unsigned i = 0; i < size; ++i) {
GstStructure* in = gst_caps_get_structure(caps, i);
GstStructure* out = nullptr;
if (direction == GST_PAD_SINK) {
if (!gst_structure_has_field(in, "original-media-type"))
continue;
out = gst_structure_copy(in);
gst_structure_set_name(out, gst_structure_get_string(out, "original-media-type"));
// Filter out the DRM related fields from the down-stream caps.
for (int j = 0; j < gst_structure_n_fields(in); ++j) {
const gchar* fieldName = gst_structure_nth_field_name(in, j);
if (g_str_has_prefix(fieldName, "protection-system")
|| g_str_has_prefix(fieldName, "original-media-type"))
gst_structure_remove_field(out, fieldName);
}
} else {
GstStructure* tmp = gst_structure_copy(in);
// Filter out the video related fields from the up-stream caps,
// because they are not relevant to the input caps of this element and
// can cause caps negotiation failures with adaptive bitrate streams.
for (int index = gst_structure_n_fields(tmp) - 1; index >= 0; --index) {
const gchar* fieldName = gst_structure_nth_field_name(tmp, index);
GST_TRACE("Check field \"%s\" for removal", fieldName);
if (!g_strcmp0(fieldName, "base-profile")
|| !g_strcmp0(fieldName, "codec_data")
|| !g_strcmp0(fieldName, "height")
|| !g_strcmp0(fieldName, "framerate")
|| !g_strcmp0(fieldName, "level")
|| !g_strcmp0(fieldName, "pixel-aspect-ratio")
|| !g_strcmp0(fieldName, "profile")
|| !g_strcmp0(fieldName, "rate")
|| !g_strcmp0(fieldName, "width")) {
gst_structure_remove_field(tmp, fieldName);
GST_TRACE("Removing field %s", fieldName);
}
}
out = gst_structure_copy(tmp);
gst_structure_set(out, "protection-system", G_TYPE_STRING, klass->protectionSystemId,
"original-media-type", G_TYPE_STRING, gst_structure_get_name(in), nullptr);
gst_structure_set_name(out, "application/x-cenc");
gst_structure_free(tmp);
}
bool duplicate = false;
unsigned size = gst_caps_get_size(transformedCaps);
for (unsigned index = 0; !duplicate && index < size; ++index) {
GstStructure* s = gst_caps_get_structure(transformedCaps, index);
if (gst_structure_is_equal(s, out))
duplicate = true;
}
if (!duplicate)
gst_caps_append_structure(transformedCaps, out);
else
gst_structure_free(out);
}
if (filter) {
GstCaps* intersection;
GST_DEBUG_OBJECT(base, "Using filter caps %" GST_PTR_FORMAT, filter);
intersection = gst_caps_intersect_full(transformedCaps, filter, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref(transformedCaps);
transformedCaps = intersection;
}
GST_DEBUG_OBJECT(base, "returning %" GST_PTR_FORMAT, transformedCaps);
return transformedCaps;
}
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
{
const GstStructure *structure;
const GValue *value;
gchar *contents;
gint i;
guint size = 0;
/* select msg */
if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT ||
!gst_structure_has_name (gst_message_get_structure (message),
"facedetect"))
return GST_BUS_PASS;
/* parse msg structure */
structure = gst_message_get_structure (message);
/* if facedetect is into buffer */
if (structure &&
strcmp (gst_structure_get_name (structure), "facedetect") == 0) {
if (!silent) {
/* print message type and structure name */
g_print ("Type message, name message: %s{{%s}}\n",
gst_message_type_get_name (message->type),
gst_structure_get_name (structure));
/* print msg structure names and type */
for (i = 0; i < gst_structure_n_fields (structure); i++) {
const gchar *name = gst_structure_nth_field_name (structure, i);
GType type = gst_structure_get_field_type (structure, name);
g_print ("-Name field, type: %s[%s]\n", name, g_type_name (type));
}
}
/* get structure of faces */
value = gst_structure_get_value (structure, "faces");
/* obtain the contents into the structure */
contents = g_strdup_value_contents (value);
if (!silent)
g_print ("Detected objects: %s\n\n", *(&contents));
/* list size */
size = gst_value_list_get_size (value);
/* if face is detected, obtain the values X and Y of mouth and of nose. */
if (size != 0) {
GstState state;
/* if paused, set to playing */
gst_element_get_state (GST_ELEMENT (playbin), &state, NULL,
GST_CLOCK_TIME_NONE);
if (state != GST_STATE_PLAYING) {
gst_element_set_state (GST_ELEMENT (playbin), GST_STATE_PLAYING);
}
if (ctrlvol) {
gdouble volume;
const GValue *faces_value = gst_value_list_get_value (value, 0);
const GstStructure *faces_structure =
gst_value_get_structure (faces_value);
gboolean have_mouth_y =
gst_structure_has_field (faces_structure, "mouth->y");
gboolean have_mouth_x =
gst_structure_has_field (faces_structure, "mouth->x");
gboolean have_nose_y =
gst_structure_has_field (faces_structure, "nose->y");
gboolean have_nose_x =
gst_structure_has_field (faces_structure, "nose->x");
/* get the volume value */
g_object_get (G_OBJECT (playbin), "volume", &volume, NULL);
/* media operation - hide your mouth for down the volume of the video */
if (have_mouth_y == 0 && have_mouth_x == 0) {
volume = volume - 0.5;
if (volume <= 0.5)
volume = 0.0;
g_object_set (G_OBJECT (playbin), "volume", volume, NULL);
}
/* media operation - hide your nose for up the volume of the video */
if (have_nose_y == 0 && have_nose_x == 0) {
volume = volume + 0.5;
if (volume >= 9.5)
volume = 10.0;
g_object_set (G_OBJECT (playbin), "volume", volume, NULL);
}
}
/* if face is not detected */
} else {
/* media operation - hide your face to stop media play */
gst_element_set_state (playbin, GST_STATE_PAUSED);
}
}
gst_message_unref (message);
return GST_BUS_DROP;
}
BoolLog SDPMedia::add_to_sdp_description(GstSDPMessage* sdp_description,
unsigned int index,
const std::string& ip_addr) const {
if (0 == port_ || nullptr == caps_structure_) {
return BoolLog(false, "missing information for adding media to sdp description");
}
/* get media type and payload for the m= line */
std::string caps_str(gst_structure_get_string(caps_structure_, "media"));
gst_sdp_media_set_media(media_, caps_str.c_str());
gint caps_pt = 0;
gst_structure_get_int(caps_structure_, "payload", &caps_pt);
gst_sdp_media_add_format(media_, std::to_string(caps_pt).c_str());
gst_sdp_media_set_port_info(media_, port_, 1);
gst_sdp_media_set_proto(media_, "RTP/AVP");
/* for the c= line */
gst_sdp_media_add_connection(media_, "IN", "IP4", ip_addr.c_str(), 16, 0);
// sendonly
gst_sdp_media_add_attribute(media_, "sendonly", "");
/* get clock-rate, media type and params for the rtpmap attribute */
gint caps_rate = 0;
gst_structure_get_int(caps_structure_, "clock-rate", &caps_rate);
std::string caps_enc(gst_structure_get_string(caps_structure_, "encoding-name"));
std::string rtpmap(std::to_string(caps_pt) + " " + caps_enc + "/" + std::to_string(caps_rate));
const gchar* caps_params = gst_structure_get_string(caps_structure_, "encoding-params");
if (nullptr != caps_params) {
rtpmap.append("/");
rtpmap.append(caps_params);
}
gst_sdp_media_add_attribute(media_, "rtpmap", rtpmap.c_str());
/* the config uri */
std::string control("stream=" + std::to_string(index));
gst_sdp_media_add_attribute(media_, "control", control.c_str());
/* collect all other properties and add them to fmtp */
std::string fmtp = std::to_string(caps_pt);
fmtp.append(" ");
bool first = true;
guint n_fields = gst_structure_n_fields(caps_structure_);
for (uint j = 0; j < n_fields; j++) {
const gchar* fname_c = gst_structure_nth_field_name(caps_structure_, j);
if (nullptr == fname_c) continue;
std::string fname(fname_c);
/* filter out standard properties */
if (fname.compare("media") == 0 || fname.compare("payload") == 0 ||
fname.compare("clock-rate") == 0 || fname.compare("encoding-name") == 0 ||
fname.compare("encoding-params") == 0 || fname.compare("ssrc") == 0 ||
fname.compare("clock-base") == 0 || fname.compare("seqnum-base") == 0)
continue;
const gchar* struct_str = gst_structure_get_string(caps_structure_, fname.c_str());
if (nullptr == struct_str) continue;
std::string val = std::string(struct_str);
if (0 == fname.compare("sprop-parameter-sets")) {
auto equal_pos = val.find('=');
if (std::string::npos != equal_pos) {
// removing buggy trailing = at the end of sprop-parameter-sets
val = std::string(val, 0, equal_pos);
}
auto comma_pos = val.find(',');
if (std::string::npos != comma_pos) {
// removing buggy trailing comma and the rest from sprop-parameter-sets
val = std::string(val, 0, comma_pos);
}
}
std::string fname_value(fname + "=" + val);
if (gst_structure_get_string(caps_structure_, fname.c_str())) {
if (!first)
fmtp.append(";");
else
first = false;
fmtp.append(fname_value);
}
}
if (!first) gst_sdp_media_add_attribute(media_, "fmtp", fmtp.c_str());
for (auto& it : ice_candidate_values_) {
gst_sdp_media_add_attribute(media_, "candidate", it.c_str());
}
gst_sdp_message_add_media(sdp_description, media_);
return BoolLog(true);
}
static void
test_tags (const gchar * tag_str)
{
GstElement *pipeline;
GstBus *bus;
GMainLoop *loop;
GstTagList *sent_tags;
gint i, j, n_recv, n_sent;
const gchar *name_sent, *name_recv;
const GValue *value_sent, *value_recv;
gboolean found, ok;
gint comparison;
GstElement *videotestsrc, *jpegenc, *metadatamux, *metadatademux, *fakesink;
GstTagSetter *setter;
GST_DEBUG ("testing tags : %s", tag_str);
if (received_tags) {
gst_tag_list_free (received_tags);
received_tags = NULL;
}
pipeline = gst_pipeline_new ("pipeline");
fail_unless (pipeline != NULL);
videotestsrc = gst_element_factory_make ("videotestsrc", "src");
fail_unless (videotestsrc != NULL);
g_object_set (G_OBJECT (videotestsrc), "num-buffers", 1, NULL);
jpegenc = gst_element_factory_make ("jpegenc", "enc");
if (jpegenc == NULL) {
g_print ("Cannot test - jpegenc not available\n");
return;
}
metadatamux = gst_element_factory_make ("metadatamux", "mux");
g_object_set (G_OBJECT (metadatamux), "exif", TRUE, NULL);
fail_unless (metadatamux != NULL);
metadatademux = gst_element_factory_make ("metadatademux", "demux");
fail_unless (metadatademux != NULL);
fakesink = gst_element_factory_make ("fakesink", "sink");
fail_unless (fakesink != NULL);
gst_bin_add_many (GST_BIN (pipeline), videotestsrc, jpegenc, metadatamux,
metadatademux, fakesink, NULL);
ok = gst_element_link_many (videotestsrc, jpegenc, metadatamux, metadatademux,
fakesink, NULL);
fail_unless (ok == TRUE);
loop = g_main_loop_new (NULL, TRUE);
fail_unless (loop != NULL);
bus = gst_element_get_bus (pipeline);
fail_unless (bus != NULL);
gst_bus_add_watch (bus, bus_handler, loop);
gst_object_unref (bus);
gst_element_set_state (pipeline, GST_STATE_READY);
setter = GST_TAG_SETTER (metadatamux);
fail_unless (setter != NULL);
sent_tags = gst_structure_from_string (tag_str, NULL);
fail_unless (sent_tags != NULL);
gst_tag_setter_merge_tags (setter, sent_tags, GST_TAG_MERGE_REPLACE);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_main_loop_run (loop);
GST_DEBUG ("mainloop done : %p", received_tags);
/* verify tags */
fail_unless (received_tags != NULL);
n_recv = gst_structure_n_fields (received_tags);
n_sent = gst_structure_n_fields (sent_tags);
/* we also get e.g. an exif binary block */
fail_unless (n_recv >= n_sent);
/* FIXME: compare taglits values */
for (i = 0; i < n_sent; i++) {
name_sent = gst_structure_nth_field_name (sent_tags, i);
value_sent = gst_structure_get_value (sent_tags, name_sent);
found = FALSE;
for (j = 0; j < n_recv; j++) {
name_recv = gst_structure_nth_field_name (received_tags, j);
if (!strcmp (name_sent, name_recv)) {
value_recv = gst_structure_get_value (received_tags, name_recv);
comparison = gst_value_compare (value_sent, value_recv);
if (comparison != GST_VALUE_EQUAL) {
gchar *vs = g_strdup_value_contents (value_sent);
gchar *vr = g_strdup_value_contents (value_recv);
GST_DEBUG ("sent = %s:'%s', recv = %s:'%s'",
G_VALUE_TYPE_NAME (value_sent), vs,
G_VALUE_TYPE_NAME (value_recv), vr);
g_free (vs);
g_free (vr);
}
fail_unless (comparison == GST_VALUE_EQUAL,
"tag item %s has been received with different type or value",
name_sent);
found = TRUE;
break;
}
}
fail_unless (found, "tag item %s is lost", name_sent);
}
gst_tag_list_free (received_tags);
received_tags = NULL;
gst_tag_list_free (sent_tags);
gst_element_set_state (pipeline, GST_STATE_NULL);
g_main_loop_unref (loop);
g_object_unref (pipeline);
}
/**
* gst_rtsp_sdp_from_media:
* @sdp: a #GstSDPMessage
* @info: info
* @media: a #GstRTSPMedia
*
* Add @media specific info to @sdp. @info is used to configure the connection
* information in the SDP.
*
* Returns: TRUE on success.
*/
gboolean
gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
GstRTSPMedia * media)
{
guint i, n_streams;
gchar *rangestr;
n_streams = gst_rtsp_media_n_streams (media);
rangestr = gst_rtsp_media_get_range_string (media, FALSE, GST_RTSP_RANGE_NPT);
if (rangestr == NULL)
goto not_prepared;
gst_sdp_message_add_attribute (sdp, "range", rangestr);
g_free (rangestr);
for (i = 0; i < n_streams; i++) {
GstRTSPStream *stream;
GstSDPMedia *smedia;
GstStructure *s;
const gchar *caps_str, *caps_enc, *caps_params;
gchar *tmp;
gint caps_pt, caps_rate;
guint n_fields, j;
gboolean first;
GString *fmtp;
GstCaps *caps;
stream = gst_rtsp_media_get_stream (media, i);
caps = gst_rtsp_stream_get_caps (stream);
if (caps == NULL) {
g_warning ("ignoring stream %d without media type", i);
continue;
}
s = gst_caps_get_structure (caps, 0);
if (s == NULL) {
gst_caps_unref (caps);
g_warning ("ignoring stream %d without media type", i);
continue;
}
gst_sdp_media_new (&smedia);
/* get media type and payload for the m= line */
caps_str = gst_structure_get_string (s, "media");
gst_sdp_media_set_media (smedia, caps_str);
gst_structure_get_int (s, "payload", &caps_pt);
tmp = g_strdup_printf ("%d", caps_pt);
gst_sdp_media_add_format (smedia, tmp);
g_free (tmp);
gst_sdp_media_set_port_info (smedia, 0, 1);
gst_sdp_media_set_proto (smedia, "RTP/AVP");
/* for the c= line */
if (info->is_ipv6) {
gst_sdp_media_add_connection (smedia, "IN", "IP6", "::", 16, 0);
} else {
gst_sdp_media_add_connection (smedia, "IN", "IP4", "0.0.0.0", 16, 0);
}
/* get clock-rate, media type and params for the rtpmap attribute */
gst_structure_get_int (s, "clock-rate", &caps_rate);
caps_enc = gst_structure_get_string (s, "encoding-name");
caps_params = gst_structure_get_string (s, "encoding-params");
if (caps_enc) {
if (caps_params)
tmp = g_strdup_printf ("%d %s/%d/%s", caps_pt, caps_enc, caps_rate,
caps_params);
else
tmp = g_strdup_printf ("%d %s/%d", caps_pt, caps_enc, caps_rate);
gst_sdp_media_add_attribute (smedia, "rtpmap", tmp);
g_free (tmp);
}
/* the config uri */
tmp = gst_rtsp_stream_get_control (stream);
gst_sdp_media_add_attribute (smedia, "control", tmp);
g_free (tmp);
/* collect all other properties and add them to fmtp or attributes */
fmtp = g_string_new ("");
g_string_append_printf (fmtp, "%d ", caps_pt);
first = TRUE;
n_fields = gst_structure_n_fields (s);
for (j = 0; j < n_fields; j++) {
const gchar *fname, *fval;
fname = gst_structure_nth_field_name (s, j);
/* filter out standard properties */
if (!strcmp (fname, "media"))
continue;
if (!strcmp (fname, "payload"))
continue;
if (!strcmp (fname, "clock-rate"))
continue;
if (!strcmp (fname, "encoding-name"))
continue;
if (!strcmp (fname, "encoding-params"))
continue;
if (!strcmp (fname, "ssrc"))
continue;
if (!strcmp (fname, "clock-base"))
continue;
if (!strcmp (fname, "seqnum-base"))
continue;
if (g_str_has_prefix (fname, "a-")) {
/* attribute */
if ((fval = gst_structure_get_string (s, fname)))
gst_sdp_media_add_attribute (smedia, fname + 2, fval);
continue;
}
if (g_str_has_prefix (fname, "x-")) {
/* attribute */
if ((fval = gst_structure_get_string (s, fname)))
gst_sdp_media_add_attribute (smedia, fname, fval);
continue;
}
if ((fval = gst_structure_get_string (s, fname))) {
g_string_append_printf (fmtp, "%s%s=%s", first ? "" : ";", fname, fval);
first = FALSE;
}
}
if (!first) {
tmp = g_string_free (fmtp, FALSE);
gst_sdp_media_add_attribute (smedia, "fmtp", tmp);
g_free (tmp);
} else {
g_string_free (fmtp, TRUE);
}
update_sdp_from_tags (stream, smedia);
gst_sdp_message_add_media (sdp, smedia);
gst_sdp_media_free (smedia);
gst_caps_unref (caps);
}
{
GstNetTimeProvider *provider;
if ((provider =
gst_rtsp_media_get_time_provider (media, info->server_ip, 0))) {
GstClock *clock;
gchar *address, *str;
gint port;
g_object_get (provider, "clock", &clock, "address", &address, "port",
&port, NULL);
str = g_strdup_printf ("GstNetTimeProvider %s %s:%d %" G_GUINT64_FORMAT,
g_type_name (G_TYPE_FROM_INSTANCE (clock)), address, port,
gst_clock_get_time (clock));
gst_sdp_message_add_attribute (sdp, "x-gst-clock", str);
g_free (str);
gst_object_unref (clock);
g_free (address);
gst_object_unref (provider);
}
}
return TRUE;
/* ERRORS */
not_prepared:
{
GST_ERROR ("media %p is not prepared", media);
return FALSE;
}
}
