static void
int_range_rvalue2gvalue(VALUE value, GValue *result)
{
GValue *val;
val = RVAL2GOBJ(value);
gst_value_set_int_range(result,
gst_value_get_int_range_min(val),
gst_value_get_int_range_max(val));
}
static VALUE
int_range_set_max(VALUE self, VALUE max)
{
GValue *value;
value = RVAL2GOBJ(self);
gst_value_set_int_range(value,
gst_value_get_int_range_min(value),
NUM2INT(max));
return Qnil;
}
static void
transform_value (GValue * dest, const GValue * src, GstPadDirection dir)
{
g_value_init (dest, G_VALUE_TYPE (src));
if (G_VALUE_HOLDS_INT (src)) {
int x;
x = g_value_get_int (src);
if (dir == GST_PAD_SINK) {
g_value_set_int (dest, x / 2);
} else {
g_value_set_int (dest, x * 2);
}
} else if (GST_VALUE_HOLDS_INT_RANGE (src)) {
int min, max;
min = gst_value_get_int_range_min (src);
max = gst_value_get_int_range_max (src);
if (dir == GST_PAD_SINK) {
min = (min + 1) / 2;
if (max == G_MAXINT) {
max = G_MAXINT / 2;
} else {
max = (max + 1) / 2;
}
} else {
if (max > G_MAXINT / 2) {
max = G_MAXINT;
} else {
max = max * 2;
}
if (min > G_MAXINT / 2) {
min = G_MAXINT;
} else {
min = min * 2;
}
}
gst_value_set_int_range (dest, min, max);
} else {
/* FIXME */
g_warning ("case not handled");
g_value_set_int (dest, 100);
}
}
/* caps must be writable */
static void
gst_opus_dec_caps_extend_channels_options (GstCaps * caps)
{
unsigned n;
int channels;
for (n = 0; n < gst_caps_get_size (caps); ++n) {
GstStructure *s = gst_caps_get_structure (caps, n);
if (gst_structure_get_int (s, "channels", &channels)) {
if (channels == 1 || channels == 2) {
GValue v = { 0 };
g_value_init (&v, GST_TYPE_INT_RANGE);
gst_value_set_int_range (&v, 1, 2);
gst_structure_set_value (s, "channels", &v);
g_value_unset (&v);
}
}
}
}
static GstStructure *gst_avdtp_sink_parse_mpeg_caps(
GstAvdtpSink *self, mpeg_capabilities_t *mpeg)
{
GstStructure *structure;
GValue *value;
GValue *list;
gboolean valid_layer = FALSE;
gboolean mono, stereo;
if (!mpeg)
return NULL;
GST_LOG_OBJECT(self, "parsing mpeg caps");
structure = gst_structure_empty_new("audio/mpeg");
value = g_new0(GValue, 1);
g_value_init(value, G_TYPE_INT);
list = g_value_init(g_new0(GValue, 1), GST_TYPE_LIST);
g_value_set_int(value, 1);
gst_value_list_prepend_value(list, value);
g_value_set_int(value, 2);
gst_value_list_prepend_value(list, value);
gst_structure_set_value(structure, "mpegversion", list);
g_free(list);
/* layer */
GST_LOG_OBJECT(self, "setting mpeg layer");
list = g_value_init(g_new0(GValue, 1), GST_TYPE_LIST);
if (mpeg->layer & BT_MPEG_LAYER_1) {
g_value_set_int(value, 1);
gst_value_list_prepend_value(list, value);
valid_layer = TRUE;
}
if (mpeg->layer & BT_MPEG_LAYER_2) {
g_value_set_int(value, 2);
gst_value_list_prepend_value(list, value);
valid_layer = TRUE;
}
if (mpeg->layer & BT_MPEG_LAYER_3) {
g_value_set_int(value, 3);
gst_value_list_prepend_value(list, value);
valid_layer = TRUE;
}
if (list) {
gst_structure_set_value(structure, "layer", list);
g_free(list);
list = NULL;
}
if (!valid_layer) {
gst_structure_free(structure);
g_free(value);
return NULL;
}
/* rate */
GST_LOG_OBJECT(self, "setting mpeg rate");
list = g_value_init(g_new0(GValue, 1), GST_TYPE_LIST);
if (mpeg->frequency & BT_MPEG_SAMPLING_FREQ_48000) {
g_value_set_int(value, 48000);
gst_value_list_prepend_value(list, value);
}
if (mpeg->frequency & BT_MPEG_SAMPLING_FREQ_44100) {
g_value_set_int(value, 44100);
gst_value_list_prepend_value(list, value);
}
if (mpeg->frequency & BT_MPEG_SAMPLING_FREQ_32000) {
g_value_set_int(value, 32000);
gst_value_list_prepend_value(list, value);
}
if (mpeg->frequency & BT_MPEG_SAMPLING_FREQ_24000) {
g_value_set_int(value, 24000);
gst_value_list_prepend_value(list, value);
}
if (mpeg->frequency & BT_MPEG_SAMPLING_FREQ_22050) {
g_value_set_int(value, 22050);
gst_value_list_prepend_value(list, value);
}
if (mpeg->frequency & BT_MPEG_SAMPLING_FREQ_16000) {
g_value_set_int(value, 16000);
gst_value_list_prepend_value(list, value);
}
g_value_unset(value);
if (list) {
gst_structure_set_value(structure, "rate", list);
g_free(list);
list = NULL;
}
/* channels */
GST_LOG_OBJECT(self, "setting mpeg channels");
mono = FALSE;
stereo = FALSE;
if (mpeg->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
mono = TRUE;
if ((mpeg->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO) ||
(mpeg->channel_mode &
BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL) ||
(mpeg->channel_mode &
BT_A2DP_CHANNEL_MODE_JOINT_STEREO))
stereo = TRUE;
if (mono && stereo) {
g_value_init(value, GST_TYPE_INT_RANGE);
gst_value_set_int_range(value, 1, 2);
} else {
g_value_init(value, G_TYPE_INT);
if (mono)
g_value_set_int(value, 1);
else if (stereo)
g_value_set_int(value, 2);
else {
GST_ERROR_OBJECT(self,
"Unexpected number of channels");
g_value_set_int(value, 0);
}
}
gst_structure_set_value(structure, "channels", value);
g_free(value);
return structure;
}
static GstStructure *gst_avdtp_sink_parse_sbc_caps(
GstAvdtpSink *self, sbc_capabilities_t *sbc)
{
GstStructure *structure;
GValue *value;
GValue *list;
gboolean mono, stereo;
structure = gst_structure_empty_new("audio/x-sbc");
value = g_value_init(g_new0(GValue, 1), G_TYPE_STRING);
/* mode */
list = g_value_init(g_new0(GValue, 1), GST_TYPE_LIST);
if (sbc->channel_mode & BT_A2DP_CHANNEL_MODE_MONO) {
g_value_set_static_string(value, "mono");
gst_value_list_prepend_value(list, value);
}
if (sbc->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO) {
g_value_set_static_string(value, "stereo");
gst_value_list_prepend_value(list, value);
}
if (sbc->channel_mode & BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL) {
g_value_set_static_string(value, "dual");
gst_value_list_prepend_value(list, value);
}
if (sbc->channel_mode & BT_A2DP_CHANNEL_MODE_JOINT_STEREO) {
g_value_set_static_string(value, "joint");
gst_value_list_prepend_value(list, value);
}
g_value_unset(value);
if (list) {
gst_structure_set_value(structure, "mode", list);
g_free(list);
list = NULL;
}
/* subbands */
list = g_value_init(g_new0(GValue, 1), GST_TYPE_LIST);
value = g_value_init(value, G_TYPE_INT);
if (sbc->subbands & BT_A2DP_SUBBANDS_4) {
g_value_set_int(value, 4);
gst_value_list_prepend_value(list, value);
}
if (sbc->subbands & BT_A2DP_SUBBANDS_8) {
g_value_set_int(value, 8);
gst_value_list_prepend_value(list, value);
}
g_value_unset(value);
if (list) {
gst_structure_set_value(structure, "subbands", list);
g_free(list);
list = NULL;
}
/* blocks */
value = g_value_init(value, G_TYPE_INT);
list = g_value_init(g_new0(GValue, 1), GST_TYPE_LIST);
if (sbc->block_length & BT_A2DP_BLOCK_LENGTH_16) {
g_value_set_int(value, 16);
gst_value_list_prepend_value(list, value);
}
if (sbc->block_length & BT_A2DP_BLOCK_LENGTH_12) {
g_value_set_int(value, 12);
gst_value_list_prepend_value(list, value);
}
if (sbc->block_length & BT_A2DP_BLOCK_LENGTH_8) {
g_value_set_int(value, 8);
gst_value_list_prepend_value(list, value);
}
if (sbc->block_length & BT_A2DP_BLOCK_LENGTH_4) {
g_value_set_int(value, 4);
gst_value_list_prepend_value(list, value);
}
g_value_unset(value);
if (list) {
gst_structure_set_value(structure, "blocks", list);
g_free(list);
list = NULL;
}
/* allocation */
g_value_init(value, G_TYPE_STRING);
list = g_value_init(g_new0(GValue,1), GST_TYPE_LIST);
if (sbc->allocation_method & BT_A2DP_ALLOCATION_LOUDNESS) {
g_value_set_static_string(value, "loudness");
gst_value_list_prepend_value(list, value);
}
if (sbc->allocation_method & BT_A2DP_ALLOCATION_SNR) {
g_value_set_static_string(value, "snr");
gst_value_list_prepend_value(list, value);
}
g_value_unset(value);
if (list) {
gst_structure_set_value(structure, "allocation", list);
g_free(list);
list = NULL;
}
/* rate */
g_value_init(value, G_TYPE_INT);
list = g_value_init(g_new0(GValue, 1), GST_TYPE_LIST);
if (sbc->frequency & BT_SBC_SAMPLING_FREQ_48000) {
g_value_set_int(value, 48000);
gst_value_list_prepend_value(list, value);
}
if (sbc->frequency & BT_SBC_SAMPLING_FREQ_44100) {
g_value_set_int(value, 44100);
gst_value_list_prepend_value(list, value);
}
if (sbc->frequency & BT_SBC_SAMPLING_FREQ_32000) {
g_value_set_int(value, 32000);
gst_value_list_prepend_value(list, value);
}
if (sbc->frequency & BT_SBC_SAMPLING_FREQ_16000) {
g_value_set_int(value, 16000);
gst_value_list_prepend_value(list, value);
}
g_value_unset(value);
if (list) {
gst_structure_set_value(structure, "rate", list);
g_free(list);
list = NULL;
}
/* bitpool */
value = g_value_init(value, GST_TYPE_INT_RANGE);
gst_value_set_int_range(value,
MIN(sbc->min_bitpool, TEMPLATE_MAX_BITPOOL),
MIN(sbc->max_bitpool, TEMPLATE_MAX_BITPOOL));
gst_structure_set_value(structure, "bitpool", value);
g_value_unset(value);
/* channels */
mono = FALSE;
stereo = FALSE;
if (sbc->channel_mode & BT_A2DP_CHANNEL_MODE_MONO)
mono = TRUE;
if ((sbc->channel_mode & BT_A2DP_CHANNEL_MODE_STEREO) ||
(sbc->channel_mode &
BT_A2DP_CHANNEL_MODE_DUAL_CHANNEL) ||
(sbc->channel_mode &
BT_A2DP_CHANNEL_MODE_JOINT_STEREO))
stereo = TRUE;
if (mono && stereo) {
g_value_init(value, GST_TYPE_INT_RANGE);
gst_value_set_int_range(value, 1, 2);
} else {
g_value_init(value, G_TYPE_INT);
if (mono)
g_value_set_int(value, 1);
else if (stereo)
g_value_set_int(value, 2);
else {
GST_ERROR_OBJECT(self,
"Unexpected number of channels");
g_value_set_int(value, 0);
}
}
gst_structure_set_value(structure, "channels", value);
g_free(value);
return structure;
}
static GstCaps *
gst_opus_enc_sink_getcaps (GstAudioEncoder * benc)
{
GstOpusEnc *enc;
GstCaps *caps;
GstCaps *peercaps = NULL;
GstCaps *intersect = NULL;
guint i;
gboolean allow_multistream;
enc = GST_OPUS_ENC (benc);
GST_DEBUG_OBJECT (enc, "sink getcaps");
peercaps = gst_pad_peer_get_caps (GST_AUDIO_ENCODER_SRC_PAD (benc));
if (!peercaps) {
GST_DEBUG_OBJECT (benc, "No peercaps, returning template sink caps");
return
gst_caps_copy (gst_pad_get_pad_template_caps
(GST_AUDIO_ENCODER_SINK_PAD (benc)));
}
intersect = gst_caps_intersect (peercaps,
gst_pad_get_pad_template_caps (GST_AUDIO_ENCODER_SRC_PAD (benc)));
gst_caps_unref (peercaps);
if (gst_caps_is_empty (intersect))
return intersect;
allow_multistream = FALSE;
for (i = 0; i < gst_caps_get_size (intersect); i++) {
GstStructure *s = gst_caps_get_structure (intersect, i);
gboolean multistream;
if (gst_structure_get_boolean (s, "multistream", &multistream)) {
if (multistream) {
allow_multistream = TRUE;
}
} else {
allow_multistream = TRUE;
}
}
gst_caps_unref (intersect);
caps =
gst_caps_copy (gst_pad_get_pad_template_caps (GST_AUDIO_ENCODER_SINK_PAD
(benc)));
if (!allow_multistream) {
GValue range = { 0 };
g_value_init (&range, GST_TYPE_INT_RANGE);
gst_value_set_int_range (&range, 1, 2);
for (i = 0; i < gst_caps_get_size (caps); i++) {
GstStructure *s = gst_caps_get_structure (caps, i);
gst_structure_set_value (s, "channels", &range);
}
g_value_unset (&range);
}
GST_DEBUG_OBJECT (enc, "Returning caps: %" GST_PTR_FORMAT, caps);
return caps;
}
static VALUE
int_range_set(VALUE self, VALUE min, VALUE max)
{
gst_value_set_int_range(RVAL2GOBJ(self), NUM2INT(min), NUM2INT(max));
return Qnil;
}
static VALUE
int_range_initialize(VALUE self, VALUE min, VALUE max)
{
gst_value_set_int_range(DATA_PTR(self), NUM2INT(min), NUM2INT(max));
return Qnil;
}
GstCaps* convert_videoformatsdescription_to_caps (const std::vector<tcam::VideoFormatDescription>& descriptions)
{
GstCaps* caps = gst_caps_new_empty();
for (const auto& desc : descriptions)
{
if (desc.get_fourcc() == 0)
{
tcam_info("Format has empty fourcc. Ignoring");
continue;
}
const char* caps_string = tcam_fourcc_to_gst_1_0_caps_string(desc.get_fourcc());
if (caps_string == nullptr)
{
tcam_warning("Format has empty caps string. Ignoring %s",
tcam::fourcc_to_description(desc.get_fourcc()));
continue;
}
// tcam_error("Found '%s' pixel format string", caps_string);
std::vector<struct tcam_resolution_description> res = desc.get_resolutions();
for (const auto& r : res)
{
int min_width = r.min_size.width;
int min_height = r.min_size.height;
int max_width = r.max_size.width;
int max_height = r.max_size.height;
if (r.type == TCAM_RESOLUTION_TYPE_RANGE)
{
std::vector<struct tcam_image_size> framesizes = tcam::get_standard_resolutions(r.min_size,
r.max_size);
// check if min/max are already in the vector.
// some devices return std resolutions as max
if (r.min_size != framesizes.front())
{
framesizes.insert(framesizes.begin(), r.min_size);
}
if (r.max_size != framesizes.back())
{
framesizes.push_back(r.max_size);
}
for (const auto& reso : framesizes)
{
GstStructure* structure = gst_structure_from_string (caps_string, NULL);
std::vector<double> framerates = desc.get_framerates(reso);
if (framerates.empty())
{
// tcam_log(TCAM_LOG_WARNING, "No available framerates. Ignoring format.");
continue;
}
GValue fps_list = G_VALUE_INIT;
g_value_init(&fps_list, GST_TYPE_LIST);
for (const auto& f : framerates)
{
int frame_rate_numerator;
int frame_rate_denominator;
gst_util_double_to_fraction(f,
&frame_rate_numerator,
&frame_rate_denominator);
if ((frame_rate_denominator == 0) || (frame_rate_numerator == 0))
{
continue;
}
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, reso.width,
"height", G_TYPE_INT, reso.height,
NULL);
gst_structure_take_value(structure, "framerate", &fps_list);
gst_caps_append_structure (caps, structure);
}
// finally also add the range to allow unusual settings like 1920x96@90fps
GstStructure* structure = gst_structure_from_string (caps_string, NULL);
GValue w = G_VALUE_INIT;
g_value_init(&w, GST_TYPE_INT_RANGE);
gst_value_set_int_range(&w, min_width, max_width);
GValue h = G_VALUE_INIT;
g_value_init(&h, GST_TYPE_INT_RANGE);
gst_value_set_int_range(&h, min_height, max_height);
std::vector<double> fps = desc.get_frame_rates(r);
if (fps.empty())
{
// GST_ERROR("Could not find any framerates for format");
continue;
}
int fps_min_num;
int fps_min_den;
int fps_max_num;
int fps_max_den;
gst_util_double_to_fraction(*std::min_element(fps.begin(), fps.end()),
&fps_min_num,
&fps_min_den);
gst_util_double_to_fraction(*std::max_element(fps.begin(), fps.end()),
&fps_max_num,
&fps_max_den);
GValue f = G_VALUE_INIT;
g_value_init(&f, GST_TYPE_FRACTION_RANGE);
gst_value_set_fraction_range_full(&f,
fps_min_num, fps_min_den,
fps_max_num, fps_max_den);
gst_structure_set_value(structure, "width", &w);
gst_structure_set_value(structure,"height", &h);
gst_structure_set_value(structure,"framerate", &f);
gst_caps_append_structure(caps, structure);
}
else
{
GstStructure* structure = gst_structure_from_string (caps_string, NULL);
fill_structure_fixed_resolution(structure, desc, r);
gst_caps_append_structure (caps, structure);
}
}
}
return caps;
}
static gboolean
gst_video_crop_transform_dimension_value (const GValue * src_val,
gint delta, GValue * dest_val, GstPadDirection direction, gboolean dynamic)
{
gboolean ret = TRUE;
if (G_VALUE_HOLDS_INT (src_val)) {
gint ival = g_value_get_int (src_val);
ival = gst_video_crop_transform_dimension (ival, delta);
if (dynamic) {
if (direction == GST_PAD_SRC) {
if (ival == G_MAXINT) {
g_value_init (dest_val, G_TYPE_INT);
g_value_set_int (dest_val, ival);
} else {
g_value_init (dest_val, GST_TYPE_INT_RANGE);
gst_value_set_int_range (dest_val, ival, G_MAXINT);
}
} else {
if (ival == 1) {
g_value_init (dest_val, G_TYPE_INT);
g_value_set_int (dest_val, ival);
} else {
g_value_init (dest_val, GST_TYPE_INT_RANGE);
gst_value_set_int_range (dest_val, 1, ival);
}
}
} else {
g_value_init (dest_val, G_TYPE_INT);
g_value_set_int (dest_val, ival);
}
} else if (GST_VALUE_HOLDS_INT_RANGE (src_val)) {
gint min = gst_value_get_int_range_min (src_val);
gint max = gst_value_get_int_range_max (src_val);
min = gst_video_crop_transform_dimension (min, delta);
max = gst_video_crop_transform_dimension (max, delta);
if (dynamic) {
if (direction == GST_PAD_SRC)
max = G_MAXINT;
else
min = 1;
}
if (min == max) {
g_value_init (dest_val, G_TYPE_INT);
g_value_set_int (dest_val, min);
} else {
g_value_init (dest_val, GST_TYPE_INT_RANGE);
gst_value_set_int_range (dest_val, min, max);
}
} else if (GST_VALUE_HOLDS_LIST (src_val)) {
gint i;
g_value_init (dest_val, GST_TYPE_LIST);
for (i = 0; i < gst_value_list_get_size (src_val); ++i) {
const GValue *list_val;
GValue newval = { 0, };
list_val = gst_value_list_get_value (src_val, i);
if (gst_video_crop_transform_dimension_value (list_val, delta, &newval,
direction, dynamic))
gst_value_list_append_value (dest_val, &newval);
g_value_unset (&newval);
}
if (gst_value_list_get_size (dest_val) == 0) {
g_value_unset (dest_val);
ret = FALSE;
}
} else {
ret = FALSE;
}
return ret;
}