static void get_theora_extradata(AVCodecContext *ctx,
GstStructure *in_struc)
{
const GValue *array;
const GValue *value;
GstBuffer *buf;
size_t size = 0;
uint8_t *p;
array = gst_structure_get_value(in_struc, "streamheader");
if (!array)
return;
/* get size */
for (unsigned i = 0; i < gst_value_array_get_size(array); i++) {
value = gst_value_array_get_value(array, i);
buf = gst_value_get_buffer(value);
size += buf->size + 2;
}
/* fill it up */
ctx->extradata = p = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
for (unsigned i = 0; i < gst_value_array_get_size(array); i++) {
value = gst_value_array_get_value(array, i);
buf = gst_value_get_buffer(value);
AV_WB16(p, buf->size);
p += 2;
memcpy(p, buf->data, buf->size);
p += buf->size;
}
ctx->extradata_size = p - ctx->extradata;
}
static gboolean
opus_dec_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstOpusDec *dec = GST_OPUS_DEC (gst_pad_get_parent (pad));
gboolean ret = TRUE;
GstStructure *s;
const GValue *streamheader;
s = gst_caps_get_structure (caps, 0);
if ((streamheader = gst_structure_get_value (s, "streamheader")) &&
G_VALUE_HOLDS (streamheader, GST_TYPE_ARRAY) &&
gst_value_array_get_size (streamheader) >= 2) {
const GValue *header;
GstBuffer *buf;
GstFlowReturn res = GST_FLOW_OK;
header = gst_value_array_get_value (streamheader, 0);
if (header && G_VALUE_HOLDS (header, GST_TYPE_BUFFER)) {
buf = gst_value_get_buffer (header);
res = opus_dec_chain_parse_header (dec, buf);
if (res != GST_FLOW_OK)
goto done;
gst_buffer_replace (&dec->streamheader, buf);
}
#if 0
vorbiscomment = gst_value_array_get_value (streamheader, 1);
if (vorbiscomment && G_VALUE_HOLDS (vorbiscomment, GST_TYPE_BUFFER)) {
buf = gst_value_get_buffer (vorbiscomment);
res = opus_dec_chain_parse_comments (dec, buf);
if (res != GST_FLOW_OK)
goto done;
gst_buffer_replace (&dec->vorbiscomment, buf);
}
#endif
g_list_foreach (dec->extra_headers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (dec->extra_headers);
dec->extra_headers = NULL;
if (gst_value_array_get_size (streamheader) > 2) {
gint i, n;
n = gst_value_array_get_size (streamheader);
for (i = 2; i < n; i++) {
header = gst_value_array_get_value (streamheader, i);
buf = gst_value_get_buffer (header);
dec->extra_headers =
g_list_prepend (dec->extra_headers, gst_buffer_ref (buf));
}
}
}
done:
gst_object_unref (dec);
return ret;
}
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;
}
static GstFlowReturn
vorbis_dec_handle_header_caps (GstVorbisDec * vd)
{
GstFlowReturn result = GST_FLOW_OK;
GstCaps *caps;
GstStructure *s = NULL;
const GValue *array = NULL;
caps = gst_pad_get_current_caps (GST_AUDIO_DECODER_SINK_PAD (vd));
if (caps)
s = gst_caps_get_structure (caps, 0);
if (s)
array = gst_structure_get_value (s, "streamheader");
if (caps)
gst_caps_unref (caps);
if (array && (gst_value_array_get_size (array) >= MIN_NUM_HEADERS)) {
const GValue *value = NULL;
GstBuffer *buf = NULL;
gint i = 0;
while (result == GST_FLOW_OK && i < gst_value_array_get_size (array)) {
value = gst_value_array_get_value (array, i);
buf = gst_value_get_buffer (value);
if (!buf)
goto null_buffer;
result = vorbis_dec_handle_header_buffer (vd, buf);
i++;
}
} else
goto array_error;
done:
return (result != GST_FLOW_OK ? GST_FLOW_NOT_NEGOTIATED : GST_FLOW_OK);
/* ERRORS */
array_error:
{
GST_WARNING_OBJECT (vd, "streamheader array not found");
result = GST_FLOW_ERROR;
goto done;
}
null_buffer:
{
GST_WARNING_OBJECT (vd, "streamheader with null buffer received");
result = GST_FLOW_ERROR;
goto done;
}
}
static gboolean
gst_soup_http_client_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
{
GstSoupHttpClientSink *souphttpsink = GST_SOUP_HTTP_CLIENT_SINK (sink);
GstStructure *structure;
const GValue *value_array;
int i, n;
GST_DEBUG_OBJECT (souphttpsink, "new stream headers set");
structure = gst_caps_get_structure (caps, 0);
value_array = gst_structure_get_value (structure, "streamheader");
if (value_array) {
g_list_free_full (souphttpsink->streamheader_buffers,
(GDestroyNotify) gst_buffer_unref);
souphttpsink->streamheader_buffers = NULL;
n = gst_value_array_get_size (value_array);
for (i = 0; i < n; i++) {
const GValue *value;
GstBuffer *buffer;
value = gst_value_array_get_value (value_array, i);
buffer = GST_BUFFER (gst_value_get_buffer (value));
souphttpsink->streamheader_buffers =
g_list_append (souphttpsink->streamheader_buffers,
gst_buffer_ref (buffer));
}
}
return TRUE;
}
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;
}
/**
* gst_buffer_pool_config_add_option:
* @config: a #GstBufferPool configuration
* @option: an option to add
*
* Enabled the option in @config. This will instruct the @bufferpool to enable
* the specified option on the buffers that it allocates.
*
* The supported options by @pool can be retrieved with gst_buffer_pool_get_options().
*/
void
gst_buffer_pool_config_add_option (GstStructure * config, const gchar * option)
{
const GValue *value;
GValue option_value = { 0, };
guint i, len;
g_return_if_fail (config != NULL);
value = gst_structure_id_get_value (config, GST_QUARK (OPTIONS));
if (value) {
len = gst_value_array_get_size (value);
for (i = 0; i < len; ++i) {
const GValue *nth_val = gst_value_array_get_value (value, i);
if (g_str_equal (option, g_value_get_string (nth_val)))
return;
}
} else {
GValue new_array_val = { 0, };
g_value_init (&new_array_val, GST_TYPE_ARRAY);
gst_structure_id_take_value (config, GST_QUARK (OPTIONS), &new_array_val);
value = gst_structure_id_get_value (config, GST_QUARK (OPTIONS));
}
g_value_init (&option_value, G_TYPE_STRING);
g_value_set_string (&option_value, option);
gst_value_array_append_value ((GValue *) value, &option_value);
g_value_unset (&option_value);
}
static gboolean
_append_extra_headers (GQuark field_id, const GValue * value,
gpointer user_data)
{
if (G_VALUE_TYPE (value) == GST_TYPE_ARRAY) {
guint n = gst_value_array_get_size (value);
guint i;
for (i = 0; i < n; i++) {
const GValue *v = gst_value_array_get_value (value, i);
if (!_append_extra_header (field_id, v, user_data))
return FALSE;
}
} else if (G_VALUE_TYPE (value) == GST_TYPE_LIST) {
guint n = gst_value_list_get_size (value);
guint i;
for (i = 0; i < n; i++) {
const GValue *v = gst_value_list_get_value (value, i);
if (!_append_extra_header (field_id, v, user_data))
return FALSE;
}
} else {
return _append_extra_header (field_id, value, user_data);
}
return TRUE;
}
static gboolean
insert_field (GQuark field_id, const GValue * val, gpointer user_data)
{
GtkTreeIter *parent_iter = user_data;
GtkTreeIter iter;
const gchar *f = g_quark_to_string (field_id);
gtk_tree_store_append (treestore, &iter, parent_iter);
if (G_VALUE_TYPE (val) == GST_TYPE_ARRAY) {
guint n = gst_value_array_get_size (val);
guint i;
GtkTreeIter child_iter;
gtk_tree_store_set (treestore, &iter, 0, f, -1);
for (i = 0; i < n; i++) {
const GValue *ve = gst_value_array_get_value (val, i);
gtk_tree_store_append (treestore, &child_iter, &iter);
if (G_VALUE_TYPE (ve) == GST_TYPE_STRUCTURE) {
const GstStructure *s = gst_value_get_structure (ve);
gtk_tree_store_set (treestore, &child_iter, 0,
gst_structure_get_name (s), -1);
gst_structure_foreach (s, insert_field, &child_iter);
} else {
gchar *v = g_value_to_string (ve);
gtk_tree_store_set (treestore, &child_iter, 0, v, -1);
g_free (v);
}
}
} else if (G_VALUE_TYPE (val) == GST_TYPE_STRUCTURE) {
const GstStructure *s = gst_value_get_structure (val);
gchar *entry = g_strdup_printf ("%s: %s", f, gst_structure_get_name (s));
gtk_tree_store_set (treestore, &iter, 0, entry, -1);
g_free (entry);
gst_structure_foreach (s, insert_field, &iter);
} else {
gchar *v = g_value_to_string (val);
gchar *entry = g_strdup_printf ("%s: %s", f, v);
gtk_tree_store_set (treestore, &iter, 0, entry, -1);
g_free (v);
g_free (entry);
}
return TRUE;
}
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;
}
static PyObject *
gi_gst_array_from_value (const GValue * value)
{
PyObject *list, *array_type, *array;
gint i;
list = PyList_New (gst_value_array_get_size (value));
for (i = 0; i < gst_value_array_get_size (value); i++) {
const GValue *v = gst_value_array_get_value (value, i);
PyList_SET_ITEM (list, i, pyg_value_as_pyobject (v, TRUE));
}
array_type = gi_gst_get_type ("ValueArray");
array = PyObject_CallFunction (array_type, "N", list);
Py_DECREF (array_type);
return array;
}
static VALUE
value_array_gvalue2rvalue(const GValue *value)
{
guint i, len;
VALUE result;
len = gst_value_array_get_size(value);
result = rb_ary_new2(len);
for (i = 0; i < len; i++) {
rb_ary_push(result, GVAL2RVAL(gst_value_array_get_value(value, i)));
}
return result;
}
/**
* gst_buffer_pool_config_n_options:
* @config: a #GstBufferPool configuration
*
* Retrieve the number of values currently stored in the
* options array of the @config structure.
*
* Returns: the options array size as a #guint.
*/
guint
gst_buffer_pool_config_n_options (GstStructure * config)
{
const GValue *value;
guint size = 0;
g_return_val_if_fail (config != NULL, 0);
value = gst_structure_id_get_value (config, GST_QUARK (OPTIONS));
if (value) {
size = gst_value_array_get_size (value);
}
return size;
}
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);
}
}
}
}
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);
}
/**
* gst_buffer_pool_config_has_option:
* @config: a #GstBufferPool configuration
* @option: an option
*
* Check if @config contains @option
*
* Returns: TRUE if the options array contains @option.
*/
gboolean
gst_buffer_pool_config_has_option (GstStructure * config, const gchar * option)
{
const GValue *value;
guint i, len;
g_return_val_if_fail (config != NULL, 0);
value = gst_structure_id_get_value (config, GST_QUARK (OPTIONS));
if (value) {
len = gst_value_array_get_size (value);
for (i = 0; i < len; ++i) {
const GValue *nth_val = gst_value_array_get_value (value, i);
if (g_str_equal (option, g_value_get_string (nth_val)))
return TRUE;
}
}
return FALSE;
}
static gboolean
gst_opus_dec_set_format (GstAudioDecoder * bdec, GstCaps * caps)
{
GstOpusDec *dec = GST_OPUS_DEC (bdec);
gboolean ret = TRUE;
GstStructure *s;
const GValue *streamheader;
GST_DEBUG_OBJECT (dec, "set_format: %" GST_PTR_FORMAT, caps);
s = gst_caps_get_structure (caps, 0);
if ((streamheader = gst_structure_get_value (s, "streamheader")) &&
G_VALUE_HOLDS (streamheader, GST_TYPE_ARRAY) &&
gst_value_array_get_size (streamheader) >= 2) {
const GValue *header, *vorbiscomment;
GstBuffer *buf;
GstFlowReturn res = GST_FLOW_OK;
header = gst_value_array_get_value (streamheader, 0);
if (header && G_VALUE_HOLDS (header, GST_TYPE_BUFFER)) {
buf = gst_value_get_buffer (header);
res = gst_opus_dec_parse_header (dec, buf);
if (res != GST_FLOW_OK)
goto done;
gst_buffer_replace (&dec->streamheader, buf);
}
vorbiscomment = gst_value_array_get_value (streamheader, 1);
if (vorbiscomment && G_VALUE_HOLDS (vorbiscomment, GST_TYPE_BUFFER)) {
buf = gst_value_get_buffer (vorbiscomment);
res = gst_opus_dec_parse_comments (dec, buf);
if (res != GST_FLOW_OK)
goto done;
gst_buffer_replace (&dec->vorbiscomment, buf);
}
}
done:
return ret;
}
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;
}
static void
lgm_device_parse_structure (GstStructure * s, GHashTable * table)
{
gint width, height;
const GValue *val;
gchar *struct_str;
struct_str = gst_structure_to_string (s);
GST_DEBUG ("Parsing structure: %s\n", struct_str);
g_free (struct_str);
width = lgm_device_fixate_int_value (gst_structure_get_value (s, "width"));
height = lgm_device_fixate_int_value (gst_structure_get_value (s, "height"));
val = gst_structure_get_value (s, "framerate");
if (G_VALUE_TYPE (val) == GST_TYPE_FRACTION) {
lgm_device_add_format_from_fps_val (table, width, height, val);
} else if (G_VALUE_TYPE (val) == GST_TYPE_FRACTION_RANGE) {
/* For sources returning template caps or ranges set framerate to 0/0 */
lgm_device_add_format (table, width, height, 0, 0);
} else if (G_VALUE_TYPE (val) == GST_TYPE_ARRAY) {
guint n, len;
len = gst_value_array_get_size (val);
for (n = 0; n < len; n++) {
const GValue *kid = gst_value_array_get_value (val, n);
lgm_device_add_format_from_fps_val (table, width, height, kid);
}
} else if (G_VALUE_TYPE (val) == GST_TYPE_LIST) {
guint n, len;
len = gst_value_list_get_size (val);
for (n = 0; n < len; n++) {
const GValue *kid = gst_value_list_get_value (val, n);
lgm_device_add_format_from_fps_val (table, width, height, kid);
}
}
}
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;
}
}
static gboolean
gst_amc_audio_dec_set_format (GstAudioDecoder * decoder, GstCaps * caps)
{
GstAmcAudioDec *self;
GstStructure *s;
GstAmcFormat *format;
const gchar *mime;
gboolean is_format_change = FALSE;
gboolean needs_disable = FALSE;
gchar *format_string;
gint rate, channels;
GError *err = NULL;
self = GST_AMC_AUDIO_DEC (decoder);
GST_DEBUG_OBJECT (self, "Setting new caps %" GST_PTR_FORMAT, caps);
/* Check if the caps change is a real format change or if only irrelevant
* parts of the caps have changed or nothing at all.
*/
is_format_change |= (!self->input_caps
|| !gst_caps_is_equal (self->input_caps, caps));
needs_disable = self->started;
/* If the component is not started and a real format change happens
* we have to restart the component. If no real format change
* happened we can just exit here.
*/
if (needs_disable && !is_format_change) {
/* Framerate or something minor changed */
self->input_caps_changed = TRUE;
GST_DEBUG_OBJECT (self,
"Already running and caps did not change the format");
return TRUE;
}
if (needs_disable && is_format_change) {
gst_amc_audio_dec_drain (self);
GST_AUDIO_DECODER_STREAM_UNLOCK (self);
gst_amc_audio_dec_stop (GST_AUDIO_DECODER (self));
GST_AUDIO_DECODER_STREAM_LOCK (self);
gst_amc_audio_dec_close (GST_AUDIO_DECODER (self));
if (!gst_amc_audio_dec_open (GST_AUDIO_DECODER (self))) {
GST_ERROR_OBJECT (self, "Failed to open codec again");
return FALSE;
}
if (!gst_amc_audio_dec_start (GST_AUDIO_DECODER (self))) {
GST_ERROR_OBJECT (self, "Failed to start codec again");
}
}
/* srcpad task is not running at this point */
mime = caps_to_mime (caps);
if (!mime) {
GST_ERROR_OBJECT (self, "Failed to convert caps to mime");
return FALSE;
}
s = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (s, "rate", &rate) ||
!gst_structure_get_int (s, "channels", &channels)) {
GST_ERROR_OBJECT (self, "Failed to get rate/channels");
return FALSE;
}
format = gst_amc_format_new_audio (mime, rate, channels, &err);
if (!format) {
GST_ELEMENT_ERROR_FROM_ERROR (self, err);
return FALSE;
}
/* FIXME: These buffers needs to be valid until the codec is stopped again */
g_list_foreach (self->codec_datas, (GFunc) gst_buffer_unref, NULL);
g_list_free (self->codec_datas);
self->codec_datas = NULL;
if (gst_structure_has_field (s, "codec_data")) {
const GValue *h = gst_structure_get_value (s, "codec_data");
GstBuffer *codec_data = gst_value_get_buffer (h);
GstMapInfo minfo;
guint8 *data;
gst_buffer_map (codec_data, &minfo, GST_MAP_READ);
data = g_memdup (minfo.data, minfo.size);
self->codec_datas = g_list_prepend (self->codec_datas, data);
gst_amc_format_set_buffer (format, "csd-0", data, minfo.size, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
gst_buffer_unmap (codec_data, &minfo);
} else if (gst_structure_has_field (s, "streamheader")) {
const GValue *sh = gst_structure_get_value (s, "streamheader");
gint nsheaders = gst_value_array_get_size (sh);
GstBuffer *buf;
const GValue *h;
gint i, j;
gchar *fname;
GstMapInfo minfo;
guint8 *data;
for (i = 0, j = 0; i < nsheaders; i++) {
h = gst_value_array_get_value (sh, i);
buf = gst_value_get_buffer (h);
if (strcmp (mime, "audio/vorbis") == 0) {
guint8 header_type;
gst_buffer_extract (buf, 0, &header_type, 1);
/* Only use the identification and setup packets */
if (header_type != 0x01 && header_type != 0x05)
continue;
}
fname = g_strdup_printf ("csd-%d", j);
gst_buffer_map (buf, &minfo, GST_MAP_READ);
data = g_memdup (minfo.data, minfo.size);
self->codec_datas = g_list_prepend (self->codec_datas, data);
gst_amc_format_set_buffer (format, fname, data, minfo.size, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
gst_buffer_unmap (buf, &minfo);
g_free (fname);
j++;
}
}
format_string = gst_amc_format_to_string (format, &err);
if (err)
GST_ELEMENT_WARNING_FROM_ERROR (self, err);
GST_DEBUG_OBJECT (self, "Configuring codec with format: %s",
GST_STR_NULL (format_string));
g_free (format_string);
if (!gst_amc_codec_configure (self->codec, format, 0, &err)) {
GST_ERROR_OBJECT (self, "Failed to configure codec");
GST_ELEMENT_ERROR_FROM_ERROR (self, err);
return FALSE;
}
gst_amc_format_free (format);
if (!gst_amc_codec_start (self->codec, &err)) {
GST_ERROR_OBJECT (self, "Failed to start codec");
GST_ELEMENT_ERROR_FROM_ERROR (self, err);
return FALSE;
}
self->spf = -1;
/* TODO: Implement for other codecs too */
if (gst_structure_has_name (s, "audio/mpeg")) {
gint mpegversion = -1;
gst_structure_get_int (s, "mpegversion", &mpegversion);
if (mpegversion == 1) {
gint layer = -1, mpegaudioversion = -1;
gst_structure_get_int (s, "layer", &layer);
gst_structure_get_int (s, "mpegaudioversion", &mpegaudioversion);
if (layer == 1)
self->spf = 384;
else if (layer == 2)
self->spf = 1152;
else if (layer == 3 && mpegaudioversion != -1)
self->spf = (mpegaudioversion == 1 ? 1152 : 576);
}
}
self->started = TRUE;
self->input_caps_changed = TRUE;
/* Start the srcpad loop again */
self->flushing = FALSE;
self->downstream_flow_ret = GST_FLOW_OK;
gst_pad_start_task (GST_AUDIO_DECODER_SRC_PAD (self),
(GstTaskFunction) gst_amc_audio_dec_loop, decoder, NULL);
return TRUE;
}
static gboolean
gst_opus_dec_set_format (GstAudioDecoder * bdec, GstCaps * caps)
{
GstOpusDec *dec = GST_OPUS_DEC (bdec);
gboolean ret = TRUE;
GstStructure *s;
const GValue *streamheader;
GstCaps *old_caps;
GST_DEBUG_OBJECT (dec, "set_format: %" GST_PTR_FORMAT, caps);
if ((old_caps = gst_pad_get_current_caps (GST_AUDIO_DECODER_SINK_PAD (bdec)))) {
if (gst_caps_is_equal (caps, old_caps)) {
gst_caps_unref (old_caps);
GST_DEBUG_OBJECT (dec, "caps didn't change");
goto done;
}
GST_DEBUG_OBJECT (dec, "caps have changed, resetting decoder");
gst_opus_dec_reset (dec);
gst_caps_unref (old_caps);
}
s = gst_caps_get_structure (caps, 0);
if ((streamheader = gst_structure_get_value (s, "streamheader")) &&
G_VALUE_HOLDS (streamheader, GST_TYPE_ARRAY) &&
gst_value_array_get_size (streamheader) >= 2) {
const GValue *header, *vorbiscomment;
GstBuffer *buf;
GstFlowReturn res = GST_FLOW_OK;
header = gst_value_array_get_value (streamheader, 0);
if (header && G_VALUE_HOLDS (header, GST_TYPE_BUFFER)) {
buf = gst_value_get_buffer (header);
res = gst_opus_dec_parse_header (dec, buf);
if (res != GST_FLOW_OK) {
ret = FALSE;
goto done;
}
gst_buffer_replace (&dec->streamheader, buf);
}
vorbiscomment = gst_value_array_get_value (streamheader, 1);
if (vorbiscomment && G_VALUE_HOLDS (vorbiscomment, GST_TYPE_BUFFER)) {
buf = gst_value_get_buffer (vorbiscomment);
res = gst_opus_dec_parse_comments (dec, buf);
if (res != GST_FLOW_OK) {
ret = FALSE;
goto done;
}
gst_buffer_replace (&dec->vorbiscomment, buf);
}
} else {
const GstAudioChannelPosition *posn = NULL;
if (!gst_codec_utils_opus_parse_caps (caps, &dec->sample_rate,
&dec->n_channels, &dec->channel_mapping_family, &dec->n_streams,
&dec->n_stereo_streams, dec->channel_mapping)) {
ret = FALSE;
goto done;
}
if (dec->channel_mapping_family == 1 && dec->n_channels <= 8)
posn = gst_opus_channel_positions[dec->n_channels - 1];
if (!gst_opus_dec_negotiate (dec, posn))
return FALSE;
}
done:
return ret;
}
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_imx_audio_uniaudio_dec_set_format(GstAudioDecoder *dec, GstCaps *caps)
{
UniACodecParameter parameter;
UniACodecMemoryOps memory_ops;
GstImxAudioUniaudioDec *imx_audio_uniaudio_dec = GST_IMX_AUDIO_UNIAUDIO_DEC(dec);
#define UNIA_SET_PARAMETER(PARAM_ID, DESC) \
do \
{ \
if (imx_audio_uniaudio_dec->codec->set_parameter(imx_audio_uniaudio_dec->handle, (PARAM_ID), ¶meter) != ACODEC_SUCCESS) \
{ \
GST_ERROR_OBJECT(dec, "setting %s parameter failed: %s", (DESC), imx_audio_uniaudio_dec->codec->get_last_error(imx_audio_uniaudio_dec->handle)); \
gst_imx_audio_uniaudio_dec_close_handle(imx_audio_uniaudio_dec); \
return FALSE; \
} \
} \
while (0)
#define UNIA_SET_PARAMETER_EX(PARAM_ID, DESC, VALUE) \
do \
{ \
if (imx_audio_uniaudio_dec->codec->set_parameter(imx_audio_uniaudio_dec->handle, (PARAM_ID), ((UniACodecParameter *)(VALUE))) != ACODEC_SUCCESS) \
{ \
GST_ERROR_OBJECT(dec, "setting %s parameter failed: %s", (DESC), imx_audio_uniaudio_dec->codec->get_last_error(imx_audio_uniaudio_dec->handle)); \
gst_imx_audio_uniaudio_dec_close_handle(imx_audio_uniaudio_dec); \
return FALSE; \
} \
} \
while (0)
if (imx_audio_uniaudio_dec->handle != NULL)
{
/* drain old decoder handle */
gst_imx_audio_uniaudio_dec_handle_frame(dec, NULL);
gst_imx_audio_uniaudio_dec_close_handle(imx_audio_uniaudio_dec);
}
if ((imx_audio_uniaudio_dec->codec = gst_imx_audio_uniaudio_codec_table_get_codec(caps)) == NULL)
{
GST_ERROR_OBJECT(dec, "found no suitable codec for caps %" GST_PTR_FORMAT, (gpointer)caps);
return FALSE;
}
memory_ops.Calloc = gst_imx_audio_uniaudio_dec_calloc;
memory_ops.Malloc = gst_imx_audio_uniaudio_dec_malloc;
memory_ops.Free = gst_imx_audio_uniaudio_dec_free;
memory_ops.ReAlloc = gst_imx_audio_uniaudio_dec_realloc;
if ((imx_audio_uniaudio_dec->handle = imx_audio_uniaudio_dec->codec->create_codec(&memory_ops)) == NULL)
{
GST_ERROR_OBJECT(dec, "creating codec handle for caps %" GST_PTR_FORMAT " failed", (gpointer)caps);
return FALSE;
}
/* Get configuration parameters from caps */
{
int samplerate, channels, bitrate, block_align, wmaversion;
gchar const *stream_format, *sample_format;
GValue const *value;
gboolean framed, is_vorbis;
GstBuffer *codec_data = NULL;
GstStructure *structure = gst_caps_get_structure(caps, 0);
imx_audio_uniaudio_dec->skip_header_counter = 0;
is_vorbis = (g_strcmp0(gst_structure_get_name(structure), "audio/x-vorbis") == 0);
parameter.framed = is_vorbis || (gst_structure_get_boolean(structure, "framed", &framed) && framed) || (gst_structure_get_boolean(structure, "parsed", &framed) && framed);
GST_DEBUG_OBJECT(dec, "input is framed: %d", parameter.framed);
UNIA_SET_PARAMETER(UNIA_FRAMED, "framed");
if (gst_structure_get_int(structure, "rate", &samplerate))
{
GST_DEBUG_OBJECT(dec, "input caps sample rate: %d Hz", samplerate);
parameter.samplerate = samplerate;
UNIA_SET_PARAMETER(UNIA_SAMPLERATE, "sample rate");
}
if (gst_structure_get_int(structure, "channels", &channels))
{
CHAN_TABLE table;
GST_DEBUG_OBJECT(dec, "input caps channel count: %d", channels);
parameter.channels = channels;
UNIA_SET_PARAMETER(UNIA_CHANNEL, "channel");
memset(&table, 0, sizeof(table));
table.size = CHANNEL_MAPS_SIZE;
memcpy(&table.channel_table, uniaudio_channel_maps, sizeof(uniaudio_channel_maps));
UNIA_SET_PARAMETER_EX(UNIA_CHAN_MAP_TABLE, "channel map", &table);
}
if (gst_structure_get_int(structure, "bitrate", &bitrate))
{
GST_DEBUG_OBJECT(dec, "input caps channel count: %d", bitrate);
parameter.bitrate = bitrate;
UNIA_SET_PARAMETER(UNIA_BITRATE, "bitrate");
}
if (gst_structure_get_int(structure, "block_align", &block_align))
{
GST_DEBUG_OBJECT(dec, "block alignment: %d", block_align);
parameter.blockalign = block_align;
UNIA_SET_PARAMETER(UNIA_WMA_BlOCKALIGN, "blockalign");
}
if (gst_structure_get_int(structure, "wmaversion", &wmaversion))
{
GST_DEBUG_OBJECT(dec, "WMA version: %d", wmaversion);
parameter.version = wmaversion;
UNIA_SET_PARAMETER(UNIA_WMA_VERSION, "wmaversion");
}
if ((stream_format = gst_structure_get_string(structure, "stream-format")) != NULL)
{
GST_DEBUG_OBJECT(dec, "input caps stream format: %s", stream_format);
if (g_strcmp0(stream_format, "raw") == 0)
parameter.stream_type = STREAM_ADTS;
if (g_strcmp0(stream_format, "adif") == 0)
parameter.stream_type = STREAM_ADIF;
if (g_strcmp0(stream_format, "raw") == 0)
parameter.stream_type = STREAM_RAW;
else
parameter.stream_type = STREAM_UNKNOW;
UNIA_SET_PARAMETER(UNIA_STREAM_TYPE, "stream type");
}
if ((sample_format = gst_structure_get_string(structure, "format")) != NULL)
{
GstAudioFormat fmt;
GstAudioFormatInfo const * fmtinfo;
GST_DEBUG_OBJECT(dec, "input caps stream sample format: %s", sample_format);
if ((fmt = gst_audio_format_from_string(sample_format)) == GST_AUDIO_FORMAT_UNKNOWN)
{
GST_ERROR_OBJECT(dec, "format is unknown, cannot continue");
return FALSE;
}
fmtinfo = gst_audio_format_get_info(fmt);
g_assert(fmtinfo != NULL);
parameter.depth = GST_AUDIO_FORMAT_INFO_DEPTH(fmtinfo);
UNIA_SET_PARAMETER(UNIA_DEPTH, "depth");
}
/* Handle codec data, either directly from a codec_data caps,
* or assemble it from a list of buffers specified by the
* streamheader caps (typically used by Vorbis audio) */
/* Cleanup old codec data first */
if (imx_audio_uniaudio_dec->codec_data != NULL)
{
gst_buffer_unref(imx_audio_uniaudio_dec->codec_data);
imx_audio_uniaudio_dec->codec_data = NULL;
}
/* Check if either codec_data or streamheader caps exist */
if ((value = gst_structure_get_value(structure, "codec_data")) != NULL)
{
/* codec_data caps exist - simply make a copy of its buffer
* (this makes sure we own that buffer properly) */
GstBuffer *caps_buffer;
GST_DEBUG_OBJECT(dec, "reading codec_data value");
caps_buffer = gst_value_get_buffer(value);
g_assert(caps_buffer != NULL);
codec_data = gst_buffer_copy(caps_buffer);
}
else if ((value = gst_structure_get_value(structure, "streamheader")) != NULL)
{
/* streamheader caps exist, which are a list of buffers
* these buffers need to be concatenated and then given as
* one consecutive codec data buffer to the decoder */
guint i, num_buffers = gst_value_array_get_size(value);
GstAdapter *streamheader_adapter = gst_adapter_new();
GST_DEBUG_OBJECT(dec, "reading streamheader value (%u headers)", num_buffers);
imx_audio_uniaudio_dec->num_vorbis_headers = num_buffers;
/* Use the GstAdapter to stitch these buffers together */
for (i = 0; i < num_buffers; ++i)
{
GValue const *array_value = gst_value_array_get_value(value, i);
GstBuffer *buf = gst_value_get_buffer(array_value);
GST_DEBUG_OBJECT(dec, "add streamheader buffer #%u with %" G_GSIZE_FORMAT " byte", i, gst_buffer_get_size(buf));
gst_adapter_push(streamheader_adapter, gst_buffer_copy(buf));
}
codec_data = gst_adapter_take_buffer(streamheader_adapter, gst_adapter_available(streamheader_adapter));
g_object_unref(G_OBJECT(streamheader_adapter));
}
/* At this point, if either codec_data or streamheader caps were found,
* the codec_data pointer will refer to a valid non-empty buffer with
* codec data inside. This buffer is owned by this audio decoder object,
* and must be kept around for as long as the decoder needs to be ran,
* since the set_parameter call below does *not* copy the codec data
* bytes into some internal buffer. Instead, the uniaudio decoder plugin
* expects the caller to keep the buffer valid. */
if ((codec_data != NULL) && (gst_buffer_get_size(codec_data) != 0))
{
GstMapInfo map;
gst_buffer_map(codec_data, &map, GST_MAP_READ);
parameter.codecData.size = map.size;
parameter.codecData.buf = (char *)(map.data);
UNIA_SET_PARAMETER(UNIA_CODEC_DATA, "codec data");
gst_buffer_unmap(codec_data, &map);
imx_audio_uniaudio_dec->codec_data = codec_data;
GST_DEBUG_OBJECT(dec, "codec data: %" G_GUINT32_FORMAT " byte", (guint32)(parameter.codecData.size));
}
}
GST_DEBUG_OBJECT(dec, "decoder configured");
imx_audio_uniaudio_dec->has_audioinfo_set = FALSE;
#undef UNIA_SET_PARAMETER
return TRUE;
}
static gboolean
gst_opus_dec_set_format (GstAudioDecoder * bdec, GstCaps * caps)
{
GstOpusDec *dec = GST_OPUS_DEC (bdec);
gboolean ret = TRUE;
GstStructure *s;
const GValue *streamheader;
GstCaps *old_caps;
GST_DEBUG_OBJECT (dec, "set_format: %" GST_PTR_FORMAT, caps);
if ((old_caps = gst_pad_get_current_caps (GST_AUDIO_DECODER_SINK_PAD (bdec)))) {
if (gst_caps_is_equal (caps, old_caps)) {
gst_caps_unref (old_caps);
GST_DEBUG_OBJECT (dec, "caps didn't change");
goto done;
}
GST_DEBUG_OBJECT (dec, "caps have changed, resetting decoder");
gst_opus_dec_reset (dec);
gst_caps_unref (old_caps);
}
s = gst_caps_get_structure (caps, 0);
if ((streamheader = gst_structure_get_value (s, "streamheader")) &&
G_VALUE_HOLDS (streamheader, GST_TYPE_ARRAY) &&
gst_value_array_get_size (streamheader) >= 2) {
const GValue *header, *vorbiscomment;
GstBuffer *buf;
GstFlowReturn res = GST_FLOW_OK;
header = gst_value_array_get_value (streamheader, 0);
if (header && G_VALUE_HOLDS (header, GST_TYPE_BUFFER)) {
buf = gst_value_get_buffer (header);
res = gst_opus_dec_parse_header (dec, buf);
if (res != GST_FLOW_OK)
goto done;
gst_buffer_replace (&dec->streamheader, buf);
}
vorbiscomment = gst_value_array_get_value (streamheader, 1);
if (vorbiscomment && G_VALUE_HOLDS (vorbiscomment, GST_TYPE_BUFFER)) {
buf = gst_value_get_buffer (vorbiscomment);
res = gst_opus_dec_parse_comments (dec, buf);
if (res != GST_FLOW_OK)
goto done;
gst_buffer_replace (&dec->vorbiscomment, buf);
}
} else {
/* defaults if not in the caps */
dec->n_channels = 2;
dec->sample_rate = 48000;
gst_structure_get_int (s, "channels", &dec->n_channels);
gst_structure_get_int (s, "rate", &dec->sample_rate);
/* default stereo mapping */
dec->channel_mapping_family = 0;
dec->channel_mapping[0] = 0;
dec->channel_mapping[1] = 1;
dec->n_streams = 1;
dec->n_stereo_streams = 1;
gst_opus_dec_negotiate (dec, NULL);
}
done:
return ret;
}
/*
* 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);
}
}
}
}
