static JsonNode *
snra_json_value_to_node (const GValue *value)
{
JsonNode *n = NULL;
if (GST_VALUE_HOLDS_STRUCTURE (value)) {
const GstStructure *s = gst_value_get_structure (value);
n = snra_json_from_gst_structure (s);
}
else if (GST_VALUE_HOLDS_ARRAY (value)) {
guint count = gst_value_array_get_size (value);
guint i;
JsonArray *arr = json_array_sized_new (count);
for (i = 0; i < count; i++) {
const GValue *sub_val = gst_value_array_get_value (value, i);
JsonNode *tmp = snra_json_value_to_node (sub_val);
if (tmp)
json_array_add_element (arr, tmp);
}
n = json_node_new (JSON_NODE_ARRAY);
json_node_take_array (n, arr);
} else {
n = json_node_new (JSON_NODE_VALUE);
json_node_set_value (n, value);
}
return n;
}
static gboolean
gst_flac_dec_set_format (GstAudioDecoder * dec, GstCaps * caps)
{
const GValue *headers;
GstFlacDec *flacdec;
GstStructure *s;
guint i, num;
flacdec = GST_FLAC_DEC (dec);
GST_LOG_OBJECT (dec, "sink caps: %" GST_PTR_FORMAT, caps);
s = gst_caps_get_structure (caps, 0);
headers = gst_structure_get_value (s, "streamheader");
if (headers == NULL || !GST_VALUE_HOLDS_ARRAY (headers)) {
GST_WARNING_OBJECT (dec, "no 'streamheader' field in input caps, try "
"adding a flacparse element upstream");
return FALSE;
}
if (gst_adapter_available (flacdec->adapter) > 0) {
GST_WARNING_OBJECT (dec, "unexpected data left in adapter");
gst_adapter_clear (flacdec->adapter);
}
num = gst_value_array_get_size (headers);
for (i = 0; i < num; ++i) {
const GValue *header_val;
GstBuffer *header_buf;
header_val = gst_value_array_get_value (headers, i);
if (header_val == NULL || !GST_VALUE_HOLDS_BUFFER (header_val))
return FALSE;
header_buf = g_value_dup_boxed (header_val);
GST_INFO_OBJECT (dec, "pushing header buffer of %" G_GSIZE_FORMAT " bytes "
"into adapter", gst_buffer_get_size (header_buf));
gst_adapter_push (flacdec->adapter, header_buf);
}
GST_DEBUG_OBJECT (dec, "Processing headers and metadata");
if (!FLAC__stream_decoder_process_until_end_of_metadata (flacdec->decoder)) {
GST_WARNING_OBJECT (dec, "process_until_end_of_metadata failed");
if (FLAC__stream_decoder_get_state (flacdec->decoder) ==
FLAC__STREAM_DECODER_ABORTED) {
GST_WARNING_OBJECT (flacdec, "Read callback caused internal abort");
/* allow recovery */
gst_adapter_clear (flacdec->adapter);
FLAC__stream_decoder_flush (flacdec->decoder);
gst_flac_dec_handle_decoder_error (flacdec, TRUE);
}
}
GST_INFO_OBJECT (dec, "headers and metadata are now processed");
return TRUE;
}
Handle<Value> gstvaluearray_to_v8(const GValue *gv) {
if(!GST_VALUE_HOLDS_ARRAY(gv)) {
Nan::ThrowTypeError("not a GstValueArray");
return Nan::Undefined();
}
int size = gst_value_array_get_size(gv);
Handle<Array> array = Nan::New<Array>(gst_value_array_get_size(gv));
for(int i=0; i<size; i++) {
array->Set(Nan::New<Number>(i), gvalue_to_v8(gst_value_array_get_value(gv,i)));
}
return array;
}
Handle<Value> gvalue_to_v8(const GValue *gv) {
switch(G_VALUE_TYPE(gv)) {
case G_TYPE_STRING:
return gchararray_to_v8(gv);
case G_TYPE_BOOLEAN:
return Nan::New<Boolean>(g_value_get_boolean(gv));
case G_TYPE_INT:
return Nan::New<Number>(g_value_get_int(gv));
case G_TYPE_UINT:
return Nan::New<Number>(g_value_get_uint(gv));
case G_TYPE_FLOAT:
return Nan::New<Number>(g_value_get_float(gv));
case G_TYPE_DOUBLE:
return Nan::New<Number>(g_value_get_double(gv));
}
if(GST_VALUE_HOLDS_ARRAY(gv)) {
return gstvaluearray_to_v8(gv);
} else if(GST_VALUE_HOLDS_BUFFER(gv)) {
GstBuffer *buf = gst_value_get_buffer(gv);
return gstbuffer_to_v8(buf);
} else if(GST_VALUE_HOLDS_SAMPLE(gv)) {
GstSample *sample = gst_value_get_sample(gv);
Local<Object> caps = Nan::New<Object>();
GstCaps *gcaps = gst_sample_get_caps(sample);
if (gcaps) {
const GstStructure *structure = gst_caps_get_structure(gcaps,0);
if (structure) gst_structure_to_v8(caps, structure);
}
Local<Object> result = Nan::New<Object>();
result->Set(Nan::New("buf").ToLocalChecked(), gstsample_to_v8(sample));
result->Set(Nan::New("caps").ToLocalChecked(), caps);
return result;
}
//printf("Value is of unhandled type %s\n", G_VALUE_TYPE_NAME(gv));
/* Attempt to transform it into a GValue of type STRING */
if(g_value_type_transformable (G_VALUE_TYPE(gv), G_TYPE_STRING)) {
GValue b = G_VALUE_INIT;
g_value_init(&b, G_TYPE_STRING);
g_value_transform(gv, &b);
return gchararray_to_v8(&b);
}
return Nan::Undefined();
}
void test_channel_layout_value_intersect()
{
GValue layout = { 0, };
GValue list = { 0, };
GValue res = { 0, };
xmlfile = "test_channel_layout_value_intersect";
std_log(LOG_FILENAME_LINE, "Test Started test_channel_layout_value_intersect");
g_value_init (&list, GST_TYPE_LIST);
init_value_to_channel_layout (&layout, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT);
gst_value_list_append_value (&list, &layout);
g_value_unset (&layout);
init_value_to_channel_layout (&layout, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT);
gst_value_list_append_value (&list, &layout);
g_value_unset (&layout);
init_value_to_channel_layout (&layout, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT);
/* we should get the second layout in the list, as it matches the input */
fail_unless (gst_value_intersect (&res, &layout, &list));
g_value_unset (&layout);
fail_unless (GST_VALUE_HOLDS_ARRAY (&res));
fail_unless_equals_int (gst_value_array_get_size (&res), 2);
fail_unless_equals_int (g_value_get_enum (gst_value_array_get_value (&res,
0)), GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT);
fail_unless_equals_int (g_value_get_enum (gst_value_array_get_value (&res,
1)), GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT);
g_value_unset (&res);
/* this (with rear position) should not yield any results */
init_value_to_channel_layout (&layout, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT);
fail_if (gst_value_intersect (&res, &layout, &list));
g_value_unset (&layout);
g_value_unset (&list);
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
EXPORT_C
#endif
void
gst_mixer_message_parse_volume_changed (GstMessage * message,
GstMixerTrack ** track, gint ** volumes, gint * num_channels)
{
const GstStructure *s;
g_return_if_fail (gst_mixer_message_is_mixer_message (message));
g_return_if_fail (GST_MIXER_MESSAGE_HAS_TYPE (message, VOLUME_CHANGED));
s = gst_message_get_structure (message);
if (track) {
const GValue *v = gst_structure_get_value (s, "track");
g_return_if_fail (v != NULL);
*track = (GstMixerTrack *) g_value_get_object (v);
g_return_if_fail (GST_IS_MIXER_TRACK (*track));
}
if (volumes || num_channels) {
gint n_chans, i;
const GValue *v = gst_structure_get_value (s, "volumes");
g_return_if_fail (v != NULL);
g_return_if_fail (GST_VALUE_HOLDS_ARRAY (v));
n_chans = gst_value_array_get_size (v);
if (num_channels)
*num_channels = n_chans;
if (volumes) {
*volumes = g_new (gint, n_chans);
for (i = 0; i < n_chans; i++) {
const GValue *e = gst_value_array_get_value (v, i);
g_return_if_fail (e != NULL && G_VALUE_HOLDS_INT (e));
(*volumes)[i] = g_value_get_int (e);
}
}
}
}
static gboolean
gst_multi_file_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
{
GstMultiFileSink *multifilesink;
GstStructure *structure;
multifilesink = GST_MULTI_FILE_SINK (sink);
structure = gst_caps_get_structure (caps, 0);
if (structure) {
const GValue *value;
value = gst_structure_get_value (structure, "streamheader");
if (GST_VALUE_HOLDS_ARRAY (value)) {
int i;
if (multifilesink->streamheaders) {
for (i = 0; i < multifilesink->n_streamheaders; i++) {
gst_buffer_unref (multifilesink->streamheaders[i]);
}
g_free (multifilesink->streamheaders);
}
multifilesink->n_streamheaders = gst_value_array_get_size (value);
multifilesink->streamheaders =
g_malloc (sizeof (GstBuffer *) * multifilesink->n_streamheaders);
for (i = 0; i < multifilesink->n_streamheaders; i++) {
multifilesink->streamheaders[i] =
gst_buffer_ref (gst_value_get_buffer (gst_value_array_get_value
(value, i)));
}
}
}
return TRUE;
}
/*
* cheese_camera_device_get_highest_framerate:
* @framerate: a #GValue holding a framerate cap
* @numerator: destination to store the numerator of the highest rate
* @denominator: destination to store the denominator of the highest rate
*
* Get the numerator and denominator for the highest framerate stored in
* a framerate cap.
*
* Note this function does not handle framerate ranges, if @framerate
* contains a range it will return 0/0 as framerate
*/
static void
cheese_camera_device_get_highest_framerate (const GValue *framerate,
gint *numerator, gint *denominator)
{
*numerator = 0;
*denominator = 0;
if (GST_VALUE_HOLDS_FRACTION (framerate))
{
*numerator = gst_value_get_fraction_numerator (framerate);
*denominator = gst_value_get_fraction_denominator (framerate);
}
else if (GST_VALUE_HOLDS_ARRAY (framerate))
{
float curr, highest = 0;
guint i, size = gst_value_array_get_size (framerate);
for (i = 0; i < size; i++)
{
const GValue *val = gst_value_array_get_value (framerate, i);
if (!GST_VALUE_HOLDS_FRACTION (val) ||
gst_value_get_fraction_denominator (val) == 0) {
continue;
}
curr = (float)gst_value_get_fraction_numerator (val) /
(float)gst_value_get_fraction_denominator (val);
if (curr > highest && curr <= CHEESE_MAXIMUM_RATE)
{
highest = curr;
*numerator = gst_value_get_fraction_numerator (val);
*denominator = gst_value_get_fraction_denominator (val);
}
}
}
else if (GST_VALUE_HOLDS_LIST (framerate))
{
float curr, highest = 0;
guint i, size = gst_value_list_get_size (framerate);
for (i = 0; i < size; i++)
{
const GValue *val = gst_value_list_get_value(framerate, i);
if (!GST_VALUE_HOLDS_FRACTION (val) ||
gst_value_get_fraction_denominator (val) == 0)
{
continue;
}
curr = (float)gst_value_get_fraction_numerator (val) /
(float)gst_value_get_fraction_denominator (val);
if (curr > highest && curr <= CHEESE_MAXIMUM_RATE)
{
highest = curr;
*numerator = gst_value_get_fraction_numerator (val);
*denominator = gst_value_get_fraction_denominator (val);
}
}
}
}
static void
handle_player_info (G_GNUC_UNUSED SoupSession *session, SoupMessage *msg,
SnraClient *client)
{
SoupBuffer *buffer;
if (msg->status_code < 200 || msg->status_code >= 300)
return;
buffer = soup_message_body_flatten (msg->response_body);
if (json_parser_load_from_data (client->json, buffer->data, buffer->length,
NULL)) {
const GValue *v1;
GArray *player_info = NULL;
gsize i;
JsonNode *root = json_parser_get_root (client->json);
GstStructure *s1 = snra_json_to_gst_structure (root);
if (s1 == NULL)
return; /* Invalid chunk */
v1 = gst_structure_get_value (s1, "player-clients");
if (!GST_VALUE_HOLDS_ARRAY (v1))
goto failed;
player_info = g_array_sized_new (TRUE, TRUE,
sizeof (SnraPlayerInfo), gst_value_array_get_size (v1));
for (i = 0; i < gst_value_array_get_size (v1); i++) {
SnraPlayerInfo info;
const GValue *v2 = gst_value_array_get_value (v1, i);
const GstStructure *s2;
gint64 client_id;
if (!GST_VALUE_HOLDS_STRUCTURE (v2))
goto failed;
s2 = gst_value_get_structure (v2);
if (!snra_json_structure_get_int64 (s2, "client-id", &client_id))
goto failed;
info.id = client_id;
if (!snra_json_structure_get_boolean (s2, "enabled", &info.enabled))
goto failed;
if (!snra_json_structure_get_double (s2, "volume", &info.volume))
goto failed;
if (!(info.host = g_strdup (gst_structure_get_string (s2, "host"))))
goto failed;
g_array_append_val (player_info, info);
}
free_player_info (client->player_info);
client->player_info = player_info;
player_info = NULL;
g_signal_emit (client, signals[SIGNAL_PLAYER_INFO_CHANGED], 0);
failed:
if (player_info)
free_player_info (player_info);
gst_structure_free (s1);
}
}
static gboolean
gst_interleave_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstInterleave *self;
g_return_val_if_fail (GST_IS_INTERLEAVE_PAD (pad), FALSE);
self = GST_INTERLEAVE (gst_pad_get_parent (pad));
/* First caps that are set on a sink pad are used as output caps */
/* TODO: handle caps changes */
if (self->sinkcaps && !gst_caps_is_subset (caps, self->sinkcaps)) {
goto cannot_change_caps;
} else {
GstCaps *srccaps;
GstStructure *s;
gboolean res;
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (s, "width", &self->width))
goto no_width;
if (!gst_structure_get_int (s, "rate", &self->rate))
goto no_rate;
gst_interleave_set_process_function (self);
if (gst_structure_has_field (s, "channel-positions")) {
const GValue *pos_array;
pos_array = gst_structure_get_value (s, "channel-positions");
if (GST_VALUE_HOLDS_ARRAY (pos_array)
&& gst_value_array_get_size (pos_array) == 1) {
const GValue *pos = gst_value_array_get_value (pos_array, 0);
GValue *apos = g_value_array_get_nth (self->input_channel_positions,
GST_INTERLEAVE_PAD_CAST (pad)->channel);
g_value_set_enum (apos, g_value_get_enum (pos));
}
}
srccaps = gst_caps_copy (caps);
s = gst_caps_get_structure (srccaps, 0);
gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL);
gst_interleave_set_channel_positions (self, s);
res = gst_pad_set_caps (self->src, srccaps);
gst_caps_unref (srccaps);
if (!res)
goto src_did_not_accept;
}
if (!self->sinkcaps) {
GstCaps *sinkcaps = gst_caps_copy (caps);
GstStructure *s = gst_caps_get_structure (sinkcaps, 0);
gst_structure_remove_field (s, "channel-positions");
gst_caps_replace (&self->sinkcaps, sinkcaps);
gst_caps_unref (sinkcaps);
}
gst_object_unref (self);
return TRUE;
cannot_change_caps:
{
GST_DEBUG_OBJECT (self, "caps of %" GST_PTR_FORMAT " already set, can't "
"change", self->sinkcaps);
gst_object_unref (self);
return FALSE;
}
src_did_not_accept:
{
GST_DEBUG_OBJECT (self, "src did not accept setcaps()");
gst_object_unref (self);
return FALSE;
}
no_width:
{
GST_WARNING_OBJECT (self, "caps did not have width: %" GST_PTR_FORMAT,
caps);
gst_object_unref (self);
return FALSE;
}
no_rate:
{
GST_WARNING_OBJECT (self, "caps did not have rate: %" GST_PTR_FORMAT, caps);
gst_object_unref (self);
return FALSE;
}
}
