static GstCaps *
generate_sink_template (void)
{
GstCaps *caps;
GstStructure *struc;
caps = gst_caps_new_empty ();
struc = gst_structure_new ("audio/x-iLBC", NULL);
{
GValue list;
GValue val;
list.g_type = val.g_type = 0;
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&val, G_TYPE_INT);
g_value_set_int (&val, 20);
gst_value_list_append_value (&list, &val);
g_value_set_int (&val, 30);
gst_value_list_append_value (&list, &val);
gst_structure_set_value (struc, "mode", &list);
g_value_unset (&val);
g_value_unset (&list);
}
gst_caps_append_structure (caps, struc);
return caps;
}
static GstCaps *
gst_yadif_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *othercaps;
othercaps = gst_caps_copy (caps);
if (direction == GST_PAD_SRC) {
GValue value = G_VALUE_INIT;
GValue v = G_VALUE_INIT;
g_value_init (&value, GST_TYPE_LIST);
g_value_init (&v, G_TYPE_STRING);
g_value_set_string (&v, "interleaved");
gst_value_list_append_value (&value, &v);
g_value_set_string (&v, "mixed");
gst_value_list_append_value (&value, &v);
g_value_set_string (&v, "progressive");
gst_value_list_append_value (&value, &v);
gst_caps_set_value (othercaps, "interlace-mode", &value);
g_value_unset (&value);
g_value_unset (&v);
} else {
gst_caps_set_simple (othercaps, "interlace-mode", G_TYPE_STRING,
"progressive", NULL);
}
return othercaps;
}
static GstCaps *
gst_decklink_audio_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
{
GstDecklinkAudioSink *self = GST_DECKLINK_AUDIO_SINK_CAST (bsink);
GstCaps *caps;
if ((caps = gst_pad_get_current_caps (GST_BASE_SINK_PAD (bsink))))
return caps;
caps = gst_pad_get_pad_template_caps (GST_BASE_SINK_PAD (bsink));
GST_OBJECT_LOCK (self);
if (self->output && self->output->attributes) {
int64_t max_channels = 0;
HRESULT ret;
GstStructure *s;
GValue arr = G_VALUE_INIT;
GValue v = G_VALUE_INIT;
ret =
self->output->attributes->GetInt (BMDDeckLinkMaximumAudioChannels,
&max_channels);
/* 2 should always be supported */
if (ret != S_OK) {
max_channels = 2;
}
caps = gst_caps_make_writable (caps);
s = gst_caps_get_structure (caps, 0);
g_value_init (&arr, GST_TYPE_LIST);
g_value_init (&v, G_TYPE_INT);
if (max_channels >= 16) {
g_value_set_int (&v, 16);
gst_value_list_append_value (&arr, &v);
}
if (max_channels >= 8) {
g_value_set_int (&v, 8);
gst_value_list_append_value (&arr, &v);
}
g_value_set_int (&v, 2);
gst_value_list_append_value (&arr, &v);
gst_structure_set_value (s, "channels", &arr);
g_value_unset (&v);
g_value_unset (&arr);
}
GST_OBJECT_UNLOCK (self);
if (filter) {
GstCaps *intersection =
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
caps = intersection;
}
return caps;
}
static GstCaps *
gst_real_audio_dec_getcaps (GstPad * pad)
{
GstRealAudioDec *dec = GST_REAL_AUDIO_DEC (GST_PAD_PARENT (pad));
GstCaps *res;
if (dec->checked_modules) {
GValue versions = { 0 };
GValue version = { 0 };
GST_LOG_OBJECT (dec, "constructing caps");
res = gst_caps_new_empty ();
g_value_init (&versions, GST_TYPE_LIST);
g_value_init (&version, G_TYPE_INT);
if (dec->valid_atrk) {
g_value_set_int (&version, GST_REAL_AUDIO_DEC_VERSION_ATRK);
gst_value_list_append_value (&versions, &version);
}
if (dec->valid_ra14_4) {
g_value_set_int (&version, GST_REAL_AUDIO_DEC_VERSION_14_4);
gst_value_list_append_value (&versions, &version);
}
if (dec->valid_ra28_8) {
g_value_set_int (&version, GST_REAL_AUDIO_DEC_VERSION_28_8);
gst_value_list_append_value (&versions, &version);
}
if (dec->valid_sipr) {
g_value_set_int (&version, GST_REAL_AUDIO_DEC_VERSION_SIPR);
gst_value_list_append_value (&versions, &version);
}
if (dec->valid_cook) {
g_value_set_int (&version, GST_REAL_AUDIO_DEC_VERSION_COOK);
gst_value_list_append_value (&versions, &version);
}
if (gst_value_list_get_size (&versions) > 0) {
res = gst_caps_new_simple ("audio/x-pn-realaudio", NULL);
gst_structure_set_value (gst_caps_get_structure (res, 0),
"raversion", &versions);
} else {
res = gst_caps_new_empty ();
}
if (dec->valid_sipr) {
gst_caps_append (res, gst_caps_new_simple ("audio/x-sipro", NULL));
}
g_value_unset (&versions);
g_value_unset (&version);
} else {
GST_LOG_OBJECT (dec, "returning padtemplate caps");
res = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
GST_LOG_OBJECT (dec, "returning caps %" GST_PTR_FORMAT, res);
return res;
}
static GstCaps *
gst_ivtc_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstCaps *othercaps;
int i;
othercaps = gst_caps_copy (caps);
if (direction == GST_PAD_SRC) {
GValue value = G_VALUE_INIT;
GValue v = G_VALUE_INIT;
g_value_init (&value, GST_TYPE_LIST);
g_value_init (&v, G_TYPE_STRING);
g_value_set_string (&v, "interleaved");
gst_value_list_append_value (&value, &v);
g_value_set_string (&v, "mixed");
gst_value_list_append_value (&value, &v);
g_value_set_string (&v, "progressive");
gst_value_list_append_value (&value, &v);
for (i = 0; i < gst_caps_get_size (othercaps); i++) {
GstStructure *structure = gst_caps_get_structure (othercaps, i);
gst_structure_set_value (structure, "interlace-mode", &value);
gst_structure_remove_field (structure, "framerate");
}
g_value_reset (&value);
g_value_reset (&v);
} else {
for (i = 0; i < gst_caps_get_size (othercaps); i++) {
GstStructure *structure = gst_caps_get_structure (othercaps, i);
gst_structure_set (structure, "interlace-mode", G_TYPE_STRING,
"progressive", NULL);
gst_structure_remove_field (structure, "framerate");
}
}
if (filter) {
GstCaps *intersect;
intersect = gst_caps_intersect (othercaps, filter);
gst_caps_unref (othercaps);
othercaps = intersect;
}
return othercaps;
}
static GstMessage *
gst_spectrum_message_new (GstSpectrum * spectrum, GstClockTime endtime)
{
GstStructure *s;
GValue v = { 0, };
GValue *l;
guint i;
gfloat *spect_magnitude = spectrum->spect_magnitude;
gfloat *spect_phase = spectrum->spect_phase;
GST_DEBUG_OBJECT (spectrum, "preparing message, spect = %p, bands =%d ",
spect_magnitude, spectrum->bands);
s = gst_structure_new ("spectrum", "endtime", GST_TYPE_CLOCK_TIME,
endtime, NULL);
if (spectrum->message_magnitude) {
g_value_init (&v, GST_TYPE_LIST);
/* will copy-by-value */
gst_structure_set_value (s, "magnitude", &v);
g_value_unset (&v);
g_value_init (&v, G_TYPE_FLOAT);
l = (GValue *) gst_structure_get_value (s, "magnitude");
for (i = 0; i < spectrum->bands; i++) {
g_value_set_float (&v, spect_magnitude[i]);
gst_value_list_append_value (l, &v); /* copies by value */
}
g_value_unset (&v);
}
if (spectrum->message_phase) {
g_value_init (&v, GST_TYPE_LIST);
/* will copy-by-value */
gst_structure_set_value (s, "phase", &v);
g_value_unset (&v);
g_value_init (&v, G_TYPE_FLOAT);
l = (GValue *) gst_structure_get_value (s, "phase");
for (i = 0; i < spectrum->bands; i++) {
g_value_set_float (&v, spect_phase[i]);
gst_value_list_append_value (l, &v); /* copies by value */
}
g_value_unset (&v);
}
return gst_message_new_element (GST_OBJECT (spectrum), s);
}
static void
set_value (GValue * val, gint count, ...)
{
const gchar *fmt = NULL;
GValue sval = G_VALUE_INIT;
va_list ap;
gint i;
g_value_init (&sval, G_TYPE_STRING);
if (count > 1)
g_value_init (val, GST_TYPE_LIST);
va_start (ap, count);
for (i = 0; i < count; i++) {
fmt = va_arg (ap, const gchar *);
g_value_set_string (&sval, fmt);
if (count > 1) {
gst_value_list_append_value (val, &sval);
}
}
va_end (ap);
if (count == 1)
*val = sval;
else
g_value_unset (&sval);
}
bool fill_structure_fixed_resolution (GstStructure* structure,
const tcam::VideoFormatDescription& format,
const tcam_resolution_description& res)
{
std::vector<double> framerates = format.get_frame_rates(res);
int framerate_count = framerates.size();
GValue fps_list = G_VALUE_INIT;
g_value_init(&fps_list, GST_TYPE_LIST);
for (int f = 0; f < framerate_count; f++)
{
int frame_rate_numerator;
int frame_rate_denominator;
gst_util_double_to_fraction(framerates[f],
&frame_rate_numerator,
&frame_rate_denominator);
GValue fraction = G_VALUE_INIT;
g_value_init(&fraction, GST_TYPE_FRACTION);
gst_value_set_fraction(&fraction, frame_rate_numerator, frame_rate_denominator);
gst_value_list_append_value(&fps_list, &fraction);
g_value_unset(&fraction);
}
gst_structure_set (structure,
"width", G_TYPE_INT, res.max_size.width,
"height", G_TYPE_INT, res.max_size.height,
NULL);
gst_structure_take_value(structure, "framerate", &fps_list);
return true;
}
static gint
gst_dc1394_caps_set_framerate_list (GstStructure * gs,
dc1394framerates_t * framerates)
{
GValue framefrac = { 0 };
GValue frameratelist = { 0 };
gint f;
g_value_init (&frameratelist, GST_TYPE_LIST);
g_value_init (&framefrac, GST_TYPE_FRACTION);
// figure out the frame rate
for (f = framerates->num - 1; f >= 0; f--) {
/* reverse order so we place the faster frame rates higher in
the sequence */
if (framerates->framerates[f]) {
gst_dc1394_framerate_const_to_frac (framerates->framerates[f],
&framefrac);
gst_value_list_append_value (&frameratelist, &framefrac);
}
}
gst_structure_set_value (gs, "framerate", &frameratelist);
g_value_unset (&framefrac);
g_value_unset (&frameratelist);
return 0;
}
static void
gst_droidcamsrc_dev_preview_metadata_callback (void *user,
const DroidMediaCameraFace * faces, size_t num_faces)
{
GstDroidCamSrcDev *dev = (GstDroidCamSrcDev *) user;
GstDroidCamSrc *src = GST_DROIDCAMSRC (GST_PAD_PARENT (dev->imgsrc->pad));
GstStructure *s;
gint width, height;
GValue regions = G_VALUE_INIT;
gint i;
GST_DEBUG_OBJECT (src, "dev preview metadata callback");
GST_INFO_OBJECT (src, "camera detected %d faces", num_faces);
GST_OBJECT_LOCK (src);
width = src->width;
height = src->height;
GST_OBJECT_UNLOCK (src);
s = gst_structure_new ("regions-of-interest", "frame-width", G_TYPE_UINT,
width, "frame-height", G_TYPE_UINT, height, "type", G_TYPE_UINT,
GST_DROIDCAMSRC_ROI_FACE_AREA, NULL);
g_value_init (®ions, GST_TYPE_LIST);
for (i = 0; i < num_faces; i++) {
GValue region = G_VALUE_INIT;
int x, y, w, h, r, b;
GstStructure *rs;
g_value_init (®ion, GST_TYPE_STRUCTURE);
GST_DEBUG_OBJECT (src,
"face %d: score=%d, left=%d, top=%d, right=%d, bottom=%d", i,
faces[i].score, faces[i].left, faces[i].top, faces[i].right,
faces[i].bottom);
x = gst_util_uint64_scale (faces[i].left + 1000, width, 2000);
y = gst_util_uint64_scale (faces[i].top + 1000, height, 2000);
r = gst_util_uint64_scale (faces[i].right + 1000, width, 2000);
b = gst_util_uint64_scale (faces[i].bottom + 1000, height, 2000);
w = r - x;
h = b - y;
rs = gst_structure_new ("region-of-interest",
"region-x", G_TYPE_UINT, x,
"region-y", G_TYPE_UINT, y,
"region-w", G_TYPE_UINT, w,
"region-h", G_TYPE_UINT, h,
"region-id", G_TYPE_INT, faces[i].id,
"region-score", G_TYPE_INT, faces[i].score, NULL);
gst_value_set_structure (®ion, rs);
gst_structure_free (rs);
gst_value_list_append_value (®ions, ®ion);
g_value_unset (®ion);
}
gst_structure_take_value (s, "regions", ®ions);
gst_droidcamsrc_post_message (src, s);
}
static GstCaps *
generate_sink_template(void)
{
GstCaps *caps;
GstStructure *struc;
caps = gst_caps_new_empty();
struc = gst_structure_new("video/x-raw-yuv",
"width", GST_TYPE_INT_RANGE, 16, 4096,
"height", GST_TYPE_INT_RANGE, 16, 4096,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 30, 1,
NULL);
{
GValue list;
GValue val;
list.g_type = val.g_type = 0;
g_value_init(&list, GST_TYPE_LIST);
g_value_init(&val, GST_TYPE_FOURCC);
#if 0
gst_value_set_fourcc(&val, GST_MAKE_FOURCC('I', '4', '2', '0'));
gst_value_list_append_value(&list, &val);
gst_value_set_fourcc(&val, GST_MAKE_FOURCC('Y', 'U', 'Y', '2'));
gst_value_list_append_value(&list, &val);
gst_value_set_fourcc(&val, GST_MAKE_FOURCC('U', 'Y', 'V', 'Y'));
gst_value_list_append_value(&list, &val);
#else
gst_value_set_fourcc(&val, GST_MAKE_FOURCC('U', 'Y', 'V', 'Y'));
gst_value_list_append_value(&list, &val);
#endif
gst_structure_set_value(struc, "format", &list);
g_value_unset(&val);
g_value_unset(&list);
}
gst_caps_append_structure(caps, struc);
return caps;
}
static GstCaps *
gst_real_video_dec_getcaps (GstPad * pad)
{
GstRealVideoDec *dec = GST_REAL_VIDEO_DEC (GST_PAD_PARENT (pad));
GstCaps *res;
if (dec->checked_modules) {
GValue versions = { 0 };
GValue version = { 0 };
GST_LOG_OBJECT (dec, "constructing caps");
res = gst_caps_new_empty ();
g_value_init (&versions, GST_TYPE_LIST);
g_value_init (&version, G_TYPE_INT);
if (dec->valid_rv20) {
g_value_set_int (&version, GST_REAL_VIDEO_DEC_VERSION_2);
gst_value_list_append_value (&versions, &version);
}
if (dec->valid_rv30) {
g_value_set_int (&version, GST_REAL_VIDEO_DEC_VERSION_3);
gst_value_list_append_value (&versions, &version);
}
if (dec->valid_rv40) {
g_value_set_int (&version, GST_REAL_VIDEO_DEC_VERSION_4);
gst_value_list_append_value (&versions, &version);
}
if (gst_value_list_get_size (&versions) > 0) {
res = gst_caps_new_simple ("video/x-pn-realvideo", NULL);
gst_structure_set_value (gst_caps_get_structure (res, 0),
"rmversion", &versions);
} else {
res = gst_caps_new_empty ();
}
g_value_unset (&versions);
g_value_unset (&version);
} else {
GST_LOG_OBJECT (dec, "returning padtemplate caps");
res = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
GST_LOG_OBJECT (dec, "returning caps %" GST_PTR_FORMAT, res);
return res;
}
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);
}
static void
gst_query_list_add_command (GValue * list, GstNavigationCommand val)
{
GValue item = { 0, };
g_value_init (&item, GST_TYPE_NAVIGATION_COMMAND);
g_value_set_enum (&item, val);
gst_value_list_append_value (list, &item);
g_value_unset (&item);
}
static void
gst_query_list_add_format (GValue * list, GstFormat format)
{
GValue item = { 0, };
g_value_init (&item, GST_TYPE_FORMAT);
g_value_set_enum (&item, format);
gst_value_list_append_value (list, &item);
g_value_unset (&item);
}
static void
gst_opus_dec_value_list_append_int (GValue * list, gint i)
{
GValue v = { 0 };
g_value_init (&v, G_TYPE_INT);
g_value_set_int (&v, i);
gst_value_list_append_value (list, &v);
g_value_unset (&v);
}
static GstCaps *
stereosplit_get_src_caps (GstGLStereoSplit * split,
GstPad * pad, GstVideoMultiviewMode preferred_mode)
{
GstCaps *outcaps, *tmp, *templ_caps;
GValue item = G_VALUE_INIT, list = G_VALUE_INIT;
/* Get the template format */
templ_caps = gst_pad_get_pad_template_caps (pad);
/* And limit down to the preferred mode or mono */
templ_caps = gst_caps_make_writable (templ_caps);
g_value_init (&item, G_TYPE_STRING);
g_value_init (&list, GST_TYPE_LIST);
g_value_set_static_string (&item,
gst_video_multiview_mode_to_caps_string (preferred_mode));
gst_value_list_append_value (&list, &item);
g_value_set_static_string (&item,
gst_video_multiview_mode_to_caps_string (GST_VIDEO_MULTIVIEW_MODE_MONO));
gst_value_list_append_value (&list, &item);
gst_caps_set_value (templ_caps, "multiview-mode", &list);
g_value_unset (&list);
g_value_unset (&item);
/* And intersect with the peer */
if ((tmp = gst_pad_peer_query_caps (pad, NULL)) == NULL) {
gst_caps_unref (templ_caps);
return NULL;
}
outcaps = gst_caps_intersect_full (tmp, templ_caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (tmp);
gst_caps_unref (templ_caps);
GST_DEBUG_OBJECT (split, "Src pad %" GST_PTR_FORMAT " caps %" GST_PTR_FORMAT,
pad, outcaps);
return outcaps;
}
static void
gst_dc1394_set_caps_framesize_range (GstStructure * gs,
gint minwidth,
gint maxwidth,
gint incwidth, gint minheight, gint maxheight, gint incheight)
{
/*
Format 7 cameras allow you to change the camera width/height in multiples
of incwidth/incheight up to some max. This sets the necessary
list structure in the gst caps structure
*/
GValue widthlist = { 0 };
GValue widthval = { 0 };
GValue heightlist = { 0 };
GValue heightval = { 0 };
gint x = 0;
g_value_init (&widthlist, GST_TYPE_LIST);
g_value_init (&widthval, G_TYPE_INT);
for (x = minwidth; x <= maxwidth; x += incwidth) {
g_value_set_int (&widthval, x);
gst_value_list_append_value (&widthlist, &widthval);
}
gst_structure_set_value (gs, "width", &widthlist);
g_value_unset (&widthlist);
g_value_unset (&widthval);
g_value_init (&heightlist, GST_TYPE_LIST);
g_value_init (&heightval, G_TYPE_INT);
for (x = minheight; x <= maxheight; x += incheight) {
g_value_set_int (&heightval, x);
gst_value_list_append_value (&heightlist, &heightval);
}
gst_structure_set_value (gs, "height", &heightlist);
g_value_unset (&heightlist);
g_value_unset (&heightval);
}
void QtCamRoi::setRegionOfInterest(const QRectF& roi) {
if (!d_ptr->dev || !d_ptr->dev->viewfinder()) {
return;
}
QSizeF vf = d_ptr->dev->viewfinder()->videoResolution();
if (vf.isEmpty()) {
return;
}
int frameWidth = vf.width();
int frameHeight = vf.height();
int x = roi.x() * frameWidth;
int y = roi.y() * frameHeight;
int width = roi.width() * frameWidth;
int height = roi.height() * frameHeight;
// if we have an empty roi then we reset:
int priority = roi.isEmpty() ? 0 : 1;
GstStructure *region = gst_structure_new("region0",
"region-x", G_TYPE_UINT, x,
"region-y", G_TYPE_UINT, y,
"region-w", G_TYPE_UINT, width,
"region-h", G_TYPE_UINT, height,
"region-priority", G_TYPE_UINT, priority,
"region-id", G_TYPE_UINT, 0,
NULL);
GValue regionValue = G_VALUE_INIT;
GValue regionList = G_VALUE_INIT;
g_value_init(®ionValue, GST_TYPE_STRUCTURE);
g_value_init(®ionList, GST_TYPE_LIST);
gst_value_set_structure(®ionValue, region);
gst_value_list_append_value(®ionList, ®ionValue);
GstStructure *s = gst_structure_new("regions-of-interest",
"frame-width", G_TYPE_UINT, frameWidth,
"frame-height", G_TYPE_UINT, frameHeight,
NULL);
gst_structure_set_value(s, "regions", ®ionList);
GstEvent *event = gst_event_new_custom(GST_EVENT_CUSTOM_UPSTREAM, s);
gst_structure_free(region);
g_value_unset(®ionValue);
g_value_unset(®ionList);
if (!d_ptr->sendEventToSource(event)) {
qWarning() << "Failed to send ROI event";
}
}
static void
gst_mio_video_device_append_framerate (GstMIOVideoDevice * self,
GstMIOVideoFormat * format, TundraFramerate * rate, gpointer user_data)
{
GValue *rates = user_data;
GValue value = { 0, };
g_value_init (&value, GST_TYPE_FRACTION);
gst_mio_video_device_framerate_to_fraction_value (rate, &value);
gst_value_list_append_value (rates, &value);
g_value_unset (&value);
}
static GstCaps *
generate_src_template (void)
{
GstCaps *caps;
GstStructure *struc;
caps = gst_caps_new_empty ();
struc = gst_structure_new ("audio/mpeg",
"mpegversion", G_TYPE_INT, 4,
"rate", GST_TYPE_INT_RANGE, 8000, 48000,
"channels", GST_TYPE_INT_RANGE, 1, 2,
NULL);
{
GValue list;
GValue val;
list.g_type = val.g_type = 0;
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&val, G_TYPE_INT);
g_value_set_int (&val, 2);
gst_value_list_append_value (&list, &val);
g_value_set_int (&val, 4);
gst_value_list_append_value (&list, &val);
gst_structure_set_value (struc, "mpegversion", &list);
g_value_unset (&val);
g_value_unset (&list);
}
gst_caps_append_structure (caps, struc);
return caps;
}
static void
value_list_rvalue2gvalue(VALUE value, GValue *result)
{
guint i, len;
len = RARRAY_LEN(value);
for (i = 0; i < len; i++) {
GValue val = {0};
rbgobj_initialize_gvalue(&val, RARRAY_PTR(value)[i]);
gst_value_list_append_value(result, &val);
g_value_unset(&val);
}
}
/**
* gst_gl_value_set_texture_target_from_mask:
* @value: an uninitialized #GValue
* @target_mask: a bitwise mask of #GstGLTextureTarget's
*
* A mask is a bitwise OR of (1 << target) where target is a valid
* #GstGLTextureTarget
*
* Returns: whether the @target_mask could be set on @value
*/
gboolean
gst_gl_value_set_texture_target_from_mask (GValue * value,
GstGLTextureTarget target_mask)
{
g_return_val_if_fail (value != NULL, FALSE);
g_return_val_if_fail (target_mask != GST_GL_TEXTURE_TARGET_NONE, FALSE);
if ((target_mask & (target_mask - 1)) == 0) {
/* only one texture target set */
g_value_init (value, G_TYPE_STRING);
return gst_gl_value_set_texture_target (value,
_gst_gl_log2_int64 (target_mask));
} else {
GValue item = G_VALUE_INIT;
gboolean ret = FALSE;
g_value_init (value, GST_TYPE_LIST);
g_value_init (&item, G_TYPE_STRING);
if (target_mask & (1 << GST_GL_TEXTURE_TARGET_2D)) {
gst_gl_value_set_texture_target (&item, GST_GL_TEXTURE_TARGET_2D);
gst_value_list_append_value (value, &item);
ret = TRUE;
}
if (target_mask & (1 << GST_GL_TEXTURE_TARGET_RECTANGLE)) {
gst_gl_value_set_texture_target (&item, GST_GL_TEXTURE_TARGET_RECTANGLE);
gst_value_list_append_value (value, &item);
ret = TRUE;
}
if (target_mask & (1 << GST_GL_TEXTURE_TARGET_EXTERNAL_OES)) {
gst_gl_value_set_texture_target (&item,
GST_GL_TEXTURE_TARGET_EXTERNAL_OES);
gst_value_list_append_value (value, &item);
ret = TRUE;
}
g_value_unset (&item);
return ret;
}
}
static void
gst_spectrum_message_add_list (GValue * cv, gfloat * data, guint num_values)
{
GValue v = { 0, };
guint i;
g_value_init (&v, G_TYPE_FLOAT);
for (i = 0; i < num_values; i++) {
g_value_set_float (&v, data[i]);
gst_value_list_append_value (cv, &v); /* copies by value */
}
g_value_unset (&v);
}
static GstCaps *
gst_smpte_alpha_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * from)
{
GstCaps *to = gst_caps_copy (from);
GstStructure *s;
gst_caps_truncate (to);
s = gst_caps_get_structure (to, 0);
if (gst_structure_has_name (s, "video/x-raw-yuv")) {
GValue list = { 0, };
GValue val = { 0, };
gst_structure_remove_field (s, "format");
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&val, GST_TYPE_FOURCC);
gst_value_set_fourcc (&val, GST_STR_FOURCC ("AYUV"));
gst_value_list_append_value (&list, &val);
g_value_reset (&val);
gst_value_set_fourcc (&val, GST_STR_FOURCC ("I420"));
gst_value_list_append_value (&list, &val);
g_value_reset (&val);
gst_value_set_fourcc (&val, GST_STR_FOURCC ("YV12"));
gst_value_list_append_value (&list, &val);
g_value_unset (&val);
gst_structure_set_value (s, "format", &list);
g_value_unset (&list);
} else if (!gst_structure_has_name (s, "video/x-raw-rgb")) {
gst_caps_unref (to);
to = gst_caps_new_empty ();
}
return to;
}
static GstCaps *
gst_wayland_sink_get_caps (GstBaseSink * bsink, GstCaps * filter)
{
GstWaylandSink *sink;
GstCaps *caps;
sink = GST_WAYLAND_SINK (bsink);
caps = gst_pad_get_pad_template_caps (GST_VIDEO_SINK_PAD (sink));
g_mutex_lock (&sink->display_lock);
if (sink->display) {
GValue list = G_VALUE_INIT;
GValue value = G_VALUE_INIT;
GArray *formats;
gint i;
enum wl_shm_format fmt;
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&value, G_TYPE_STRING);
formats = sink->display->shm_formats;
for (i = 0; i < formats->len; i++) {
fmt = g_array_index (formats, uint32_t, i);
g_value_set_string (&value, gst_wl_shm_format_to_string (fmt));
gst_value_list_append_value (&list, &value);
}
caps = gst_caps_make_writable (caps);
gst_structure_set_value (gst_caps_get_structure (caps, 0), "format", &list);
GST_DEBUG_OBJECT (sink, "display caps: %" GST_PTR_FORMAT, caps);
}
g_mutex_unlock (&sink->display_lock);
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
caps = intersection;
}
return caps;
}
static void
_add_vk_format_to_list (GValue * list, VkFormat format)
{
GstVideoFormat v_format;
const gchar *format_str;
v_format = _vk_format_to_video_format (format);
if (v_format) {
GValue item = G_VALUE_INIT;
g_value_init (&item, G_TYPE_STRING);
format_str = gst_video_format_to_string (v_format);
g_value_set_string (&item, format_str);
gst_value_list_append_value (list, &item);
g_value_unset (&item);
}
}
gboolean
gst_vaapi_value_set_format_list (GValue * value, GArray * formats)
{
GValue v_format = G_VALUE_INIT;
guint i;
g_value_init (value, GST_TYPE_LIST);
for (i = 0; i < formats->len; i++) {
GstVideoFormat const format = g_array_index (formats, GstVideoFormat, i);
if (!gst_vaapi_value_set_format (&v_format, format))
continue;
gst_value_list_append_value (value, &v_format);
g_value_unset (&v_format);
}
return TRUE;
}
static void
transform_value (GValue * dest)
{
GValue fourcc = { 0 };
g_value_init (dest, GST_TYPE_LIST);
g_value_init (&fourcc, GST_TYPE_FOURCC);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('I', '4', '2', '0'));
gst_value_list_append_value (dest, &fourcc);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('Y', 'V', '1', '2'));
gst_value_list_append_value (dest, &fourcc);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'));
gst_value_list_append_value (dest, &fourcc);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'));
gst_value_list_append_value (dest, &fourcc);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'));
gst_value_list_append_value (dest, &fourcc);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('Y', '4', '2', 'B'));
gst_value_list_append_value (dest, &fourcc);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('Y', '4', '4', '4'));
gst_value_list_append_value (dest, &fourcc);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('v', '2', '1', '0'));
gst_value_list_append_value (dest, &fourcc);
gst_value_set_fourcc (&fourcc, GST_MAKE_FOURCC ('v', '2', '1', '6'));
gst_value_list_append_value (dest, &fourcc);
g_value_unset (&fourcc);
}
static void appendRegion(GValue *regions, int priority, const QRect &rectangle)
{
GstStructure *region = gst_structure_new(
"region",
"region-x" , G_TYPE_UINT , rectangle.x(),
"region-y" , G_TYPE_UINT, rectangle.y(),
"region-w" , G_TYPE_UINT , rectangle.width(),
"region-h" , G_TYPE_UINT, rectangle.height(),
"region-priority" , G_TYPE_UINT, priority,
NULL);
GValue regionValue = G_VALUE_INIT;
g_value_init(®ionValue, GST_TYPE_STRUCTURE);
gst_value_set_structure(®ionValue, region);
gst_structure_free(region);
gst_value_list_append_value(regions, ®ionValue);
g_value_unset(®ionValue);
}
