void
ges_base_xml_formatter_set_timeline_properties (GESBaseXmlFormatter * self,
GESTimeline * timeline, const gchar * properties, const gchar * metadatas)
{
GESBaseXmlFormatterPrivate *priv = _GET_PRIV (self);
gboolean auto_transition = FALSE;
if (properties) {
GstStructure *props = gst_structure_from_string (properties, NULL);
if (props) {
if (gst_structure_get_boolean (props, "auto-transition",
&auto_transition))
gst_structure_remove_field (props, "auto-transition");
gst_structure_foreach (props,
(GstStructureForeachFunc) set_property_foreach, timeline);
gst_structure_free (props);
}
}
if (metadatas) {
ges_meta_container_add_metas_from_string (GES_META_CONTAINER (timeline),
metadatas);
};
priv->timeline_auto_transition = auto_transition;
}
void test_mutability()
{
GstStructure *s1;
GstCaps *c1;
gint ret;
//xmlfile = "test_mutability";
std_log(LOG_FILENAME_LINE, "Test Started test_mutability");
c1 = gst_caps_new_any ();
s1 = gst_structure_from_string ("audio/x-raw-int,rate=44100", NULL);
gst_structure_set (s1, "rate", G_TYPE_INT, 48000, NULL);
gst_caps_append_structure (c1, s1);
gst_structure_set (s1, "rate", G_TYPE_INT, 22500, NULL);
gst_caps_ref (c1);
ASSERT_CRITICAL (gst_structure_set (s1, "rate", G_TYPE_INT, 11250, NULL));
fail_unless (gst_structure_get_int (s1, "rate", &ret));
fail_unless (ret == 22500);
ASSERT_CRITICAL (gst_caps_set_simple (c1, "rate", G_TYPE_INT, 11250, NULL));
fail_unless (gst_structure_get_int (s1, "rate", &ret));
fail_unless (ret == 22500);
gst_caps_unref (c1);
gst_structure_set (s1, "rate", G_TYPE_INT, 11250, NULL);
fail_unless (gst_structure_get_int (s1, "rate", &ret));
fail_unless (ret == 11250);
gst_caps_set_simple (c1, "rate", G_TYPE_INT, 1, NULL);
fail_unless (gst_structure_get_int (s1, "rate", &ret));
fail_unless (ret == 1);
gst_caps_unref (c1);
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
static GstCaps *
gst_aravis_get_all_camera_caps (GstAravis *gst_aravis)
{
GstCaps *caps;
gint64 *pixel_formats;
double min_frame_rate, max_frame_rate;
int min_height, min_width;
int max_height, max_width;
unsigned int n_pixel_formats, i;
g_return_val_if_fail (GST_IS_ARAVIS (gst_aravis), NULL);
if (!ARV_IS_CAMERA (gst_aravis->camera))
return NULL;
GST_LOG_OBJECT (gst_aravis, "Get all camera caps");
arv_camera_get_width_bounds (gst_aravis->camera, &min_width, &max_width);
arv_camera_get_height_bounds (gst_aravis->camera, &min_height, &max_height);
pixel_formats = arv_camera_get_available_pixel_formats (gst_aravis->camera, &n_pixel_formats);
arv_camera_get_frame_rate_bounds (gst_aravis->camera, &min_frame_rate, &max_frame_rate);
int min_frame_rate_numerator;
int min_frame_rate_denominator;
gst_util_double_to_fraction (min_frame_rate, &min_frame_rate_numerator, &min_frame_rate_denominator);
int max_frame_rate_numerator;
int max_frame_rate_denominator;
gst_util_double_to_fraction (max_frame_rate, &max_frame_rate_numerator, &max_frame_rate_denominator);
caps = gst_caps_new_empty ();
for (i = 0; i < n_pixel_formats; i++) {
const char *caps_string;
caps_string = arv_pixel_format_to_gst_0_10_caps_string (pixel_formats[i]);
if (caps_string != NULL) {
GstStructure *structure;
structure = gst_structure_from_string (caps_string, NULL);
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, min_width, max_width,
"height", GST_TYPE_INT_RANGE, min_height, max_height,
"framerate", GST_TYPE_FRACTION_RANGE,
min_frame_rate_numerator, min_frame_rate_denominator,
max_frame_rate_numerator, max_frame_rate_denominator,
NULL);
gst_caps_append_structure (caps, structure);
}
}
g_free (pixel_formats);
return caps;
}
/*
* Creates a pipeline in the form:
* fakesrc num-buffers=1 ! caps ! muxer ! filesink location=file
*
* And sets the tags in tag_str into the muxer via tagsetter.
*/
static void
test_mux_tags (const gchar * tag_str, const gchar * caps,
const gchar * muxer, const gchar * file)
{
GstElement *pipeline;
GstBus *bus;
GMainLoop *loop;
GstTagList *sent_tags;
GstElement *mux;
GstTagSetter *setter;
gchar *launch_str;
guint bus_watch = 0;
GST_DEBUG ("testing xmp muxing on : %s", muxer);
launch_str = g_strdup_printf ("fakesrc num-buffers=1 ! %s ! %s name=mux ! "
"filesink location=%s name=sink", caps, muxer, file);
pipeline = gst_parse_launch (launch_str, NULL);
g_free (launch_str);
fail_unless (pipeline != NULL);
mux = gst_bin_get_by_name (GST_BIN (pipeline), "mux");
fail_unless (mux != NULL);
loop = g_main_loop_new (NULL, TRUE);
fail_unless (loop != NULL);
bus = gst_element_get_bus (pipeline);
fail_unless (bus != NULL);
bus_watch = gst_bus_add_watch (bus, bus_handler, loop);
gst_object_unref (bus);
gst_element_set_state (pipeline, GST_STATE_READY);
setter = GST_TAG_SETTER (mux);
fail_unless (setter != NULL);
sent_tags = gst_structure_from_string (tag_str, NULL);
fail_unless (sent_tags != NULL);
gst_tag_setter_merge_tags (setter, sent_tags, GST_TAG_MERGE_REPLACE);
gst_tag_list_free (sent_tags);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_main_loop_run (loop);
gst_element_set_state (pipeline, GST_STATE_NULL);
g_main_loop_unref (loop);
g_object_unref (mux);
g_object_unref (pipeline);
g_source_remove (bus_watch);
}
void test_double_append()
{
GstStructure *s1;
GstCaps *c1;
//xmlfile = "test_double_append";
std_log(LOG_FILENAME_LINE, "Test Started test_double_append");
c1 = gst_caps_new_any ();
s1 = gst_structure_from_string ("audio/x-raw-int,rate=44100", NULL);
gst_caps_append_structure (c1, s1);
ASSERT_CRITICAL (gst_caps_append_structure (c1, s1));
gst_caps_unref (c1);
std_log(LOG_FILENAME_LINE, "Test Successful");
create_xml(0);
}
static void
fetch_element_table (GstPlugin * plugin)
{
gchar *path;
gchar *config, *s;
GstStructure *tmp, *element;
element_table = gst_plugin_get_cache_data (plugin);
if (element_table)
return;
path = get_config_path ();
if (!g_file_get_contents (path, &config, NULL, NULL)) {
g_warning ("could not find config file '%s'.. using defaults!", path);
config = (gchar *) default_config;
}
gst_plugin_add_dependency_simple (plugin, "ONX_CONFIG", path, NULL,
GST_PLUGIN_DEPENDENCY_FLAG_NONE);
g_free (path);
GST_DEBUG ("parsing config:\n%s", config);
tmp = gst_structure_empty_new ("element_table");
s = config;
while ((element = gst_structure_from_string (s, &s))) {
const gchar *element_name = gst_structure_get_name (element);
gst_structure_set (tmp, element_name, GST_TYPE_STRUCTURE, element, NULL);
}
if (config != default_config)
g_free (config);
GST_DEBUG ("element_table=%" GST_PTR_FORMAT, tmp);
gst_plugin_set_cache_data (plugin, tmp);
element_table = tmp;
}
static void
gst_tag_inject_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstTagInject *self = GST_TAG_INJECT (object);
switch (prop_id) {
case PROP_TAGS:{
gchar *structure =
g_strdup_printf ("taglist,%s", g_value_get_string (value));
if (!(self->tags = gst_structure_from_string (structure, NULL))) {
GST_WARNING ("unparsable taglist = '%s'", structure);
}
g_free (structure);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
test_tags (const gchar * tag_str)
{
GstElement *pipeline;
GstBus *bus;
GMainLoop *loop;
GstTagList *sent_tags;
gint i, j, n_recv, n_sent;
const gchar *name_sent, *name_recv;
const GValue *value_sent, *value_recv;
gboolean found, ok;
gint comparison;
GstElement *videotestsrc, *jpegenc, *metadatamux, *metadatademux, *fakesink;
GstTagSetter *setter;
GST_DEBUG ("testing tags : %s", tag_str);
if (received_tags) {
gst_tag_list_free (received_tags);
received_tags = NULL;
}
pipeline = gst_pipeline_new ("pipeline");
fail_unless (pipeline != NULL);
videotestsrc = gst_element_factory_make ("videotestsrc", "src");
fail_unless (videotestsrc != NULL);
g_object_set (G_OBJECT (videotestsrc), "num-buffers", 1, NULL);
jpegenc = gst_element_factory_make ("jpegenc", "enc");
if (jpegenc == NULL) {
g_print ("Cannot test - jpegenc not available\n");
return;
}
metadatamux = gst_element_factory_make ("metadatamux", "mux");
g_object_set (G_OBJECT (metadatamux), "exif", TRUE, NULL);
fail_unless (metadatamux != NULL);
metadatademux = gst_element_factory_make ("metadatademux", "demux");
fail_unless (metadatademux != NULL);
fakesink = gst_element_factory_make ("fakesink", "sink");
fail_unless (fakesink != NULL);
gst_bin_add_many (GST_BIN (pipeline), videotestsrc, jpegenc, metadatamux,
metadatademux, fakesink, NULL);
ok = gst_element_link_many (videotestsrc, jpegenc, metadatamux, metadatademux,
fakesink, NULL);
fail_unless (ok == TRUE);
loop = g_main_loop_new (NULL, TRUE);
fail_unless (loop != NULL);
bus = gst_element_get_bus (pipeline);
fail_unless (bus != NULL);
gst_bus_add_watch (bus, bus_handler, loop);
gst_object_unref (bus);
gst_element_set_state (pipeline, GST_STATE_READY);
setter = GST_TAG_SETTER (metadatamux);
fail_unless (setter != NULL);
sent_tags = gst_structure_from_string (tag_str, NULL);
fail_unless (sent_tags != NULL);
gst_tag_setter_merge_tags (setter, sent_tags, GST_TAG_MERGE_REPLACE);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_main_loop_run (loop);
GST_DEBUG ("mainloop done : %p", received_tags);
/* verify tags */
fail_unless (received_tags != NULL);
n_recv = gst_structure_n_fields (received_tags);
n_sent = gst_structure_n_fields (sent_tags);
/* we also get e.g. an exif binary block */
fail_unless (n_recv >= n_sent);
/* FIXME: compare taglits values */
for (i = 0; i < n_sent; i++) {
name_sent = gst_structure_nth_field_name (sent_tags, i);
value_sent = gst_structure_get_value (sent_tags, name_sent);
found = FALSE;
for (j = 0; j < n_recv; j++) {
name_recv = gst_structure_nth_field_name (received_tags, j);
if (!strcmp (name_sent, name_recv)) {
value_recv = gst_structure_get_value (received_tags, name_recv);
comparison = gst_value_compare (value_sent, value_recv);
if (comparison != GST_VALUE_EQUAL) {
gchar *vs = g_strdup_value_contents (value_sent);
gchar *vr = g_strdup_value_contents (value_recv);
GST_DEBUG ("sent = %s:'%s', recv = %s:'%s'",
G_VALUE_TYPE_NAME (value_sent), vs,
G_VALUE_TYPE_NAME (value_recv), vr);
g_free (vs);
g_free (vr);
}
fail_unless (comparison == GST_VALUE_EQUAL,
"tag item %s has been received with different type or value",
name_sent);
found = TRUE;
break;
}
}
fail_unless (found, "tag item %s is lost", name_sent);
}
gst_tag_list_free (received_tags);
received_tags = NULL;
gst_tag_list_free (sent_tags);
gst_element_set_state (pipeline, GST_STATE_NULL);
g_main_loop_unref (loop);
g_object_unref (pipeline);
}
static gboolean
gst_aravis_set_caps (GstBaseSrc *src, GstCaps *caps)
{
GstAravis* gst_aravis = GST_ARAVIS(src);
GstStructure *structure;
ArvPixelFormat pixel_format;
int height, width;
int bpp, depth;
const GValue *frame_rate;
const char *caps_string;
unsigned int i;
guint32 fourcc;
GST_LOG_OBJECT (gst_aravis, "Requested caps = %" GST_PTR_FORMAT, caps);
arv_camera_stop_acquisition (gst_aravis->camera);
if (gst_aravis->stream != NULL)
g_object_unref (gst_aravis->stream);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
frame_rate = gst_structure_get_value (structure, "framerate");
gst_structure_get_int (structure, "bpp", &bpp);
gst_structure_get_int (structure, "depth", &depth);
if (gst_structure_get_field_type (structure, "format") == G_TYPE_STRING) {
const char *string;
string = gst_structure_get_string (structure, "format");
fourcc = GST_STR_FOURCC (string);
} else if (gst_structure_get_field_type (structure, "format") == GST_TYPE_FOURCC) {
gst_structure_get_fourcc (structure, "format", &fourcc);
} else
fourcc = 0;
pixel_format = arv_pixel_format_from_gst_0_10_caps (gst_structure_get_name (structure), bpp, depth, fourcc);
arv_camera_set_region (gst_aravis->camera, gst_aravis->offset_x, gst_aravis->offset_y, width, height);
arv_camera_set_binning (gst_aravis->camera, gst_aravis->h_binning, gst_aravis->v_binning);
arv_camera_set_pixel_format (gst_aravis->camera, pixel_format);
if (frame_rate != NULL) {
double dbl_frame_rate;
dbl_frame_rate = (double) gst_value_get_fraction_numerator (frame_rate) /
(double) gst_value_get_fraction_denominator (frame_rate);
GST_DEBUG_OBJECT (gst_aravis, "Frame rate = %g Hz", dbl_frame_rate);
arv_camera_set_frame_rate (gst_aravis->camera, dbl_frame_rate);
if (dbl_frame_rate > 0.0)
gst_aravis->buffer_timeout_us = MAX (GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT,
3e6 / dbl_frame_rate);
else
gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
} else
gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
GST_DEBUG_OBJECT (gst_aravis, "Buffer timeout = %" G_GUINT64_FORMAT " µs", gst_aravis->buffer_timeout_us);
GST_DEBUG_OBJECT (gst_aravis, "Actual frame rate = %g Hz", arv_camera_get_frame_rate (gst_aravis->camera));
if(gst_aravis->gain_auto) {
arv_camera_set_gain_auto (gst_aravis->camera, ARV_AUTO_CONTINUOUS);
GST_DEBUG_OBJECT (gst_aravis, "Auto Gain = continuous");
} else {
if (gst_aravis->gain >= 0) {
GST_DEBUG_OBJECT (gst_aravis, "Gain = %g", gst_aravis->gain);
arv_camera_set_gain_auto (gst_aravis->camera, ARV_AUTO_OFF);
arv_camera_set_gain (gst_aravis->camera, gst_aravis->gain);
}
GST_DEBUG_OBJECT (gst_aravis, "Actual gain = %g", arv_camera_get_gain (gst_aravis->camera));
}
if(gst_aravis->exposure_auto) {
arv_camera_set_exposure_time_auto (gst_aravis->camera, ARV_AUTO_CONTINUOUS);
GST_DEBUG_OBJECT (gst_aravis, "Auto Exposure = continuous");
} else {
if (gst_aravis->exposure_time_us > 0.0) {
GST_DEBUG_OBJECT (gst_aravis, "Exposure = %g µs", gst_aravis->exposure_time_us);
arv_camera_set_exposure_time_auto (gst_aravis->camera, ARV_AUTO_OFF);
arv_camera_set_exposure_time (gst_aravis->camera, gst_aravis->exposure_time_us);
}
GST_DEBUG_OBJECT (gst_aravis, "Actual exposure = %g µs", arv_camera_get_exposure_time (gst_aravis->camera));
}
if (gst_aravis->fixed_caps != NULL)
gst_caps_unref (gst_aravis->fixed_caps);
caps_string = arv_pixel_format_to_gst_0_10_caps_string (pixel_format);
if (caps_string != NULL) {
GstStructure *structure;
GstCaps *caps;
caps = gst_caps_new_empty ();
structure = gst_structure_from_string (caps_string, NULL);
gst_structure_set (structure,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
NULL);
if (frame_rate != NULL)
gst_structure_set_value (structure, "framerate", frame_rate);
gst_caps_append_structure (caps, structure);
gst_aravis->fixed_caps = caps;
} else
gst_aravis->fixed_caps = NULL;
gst_aravis->payload = arv_camera_get_payload (gst_aravis->camera);
gst_aravis->stream = arv_camera_create_stream (gst_aravis->camera, NULL, NULL);
if (ARV_IS_GV_STREAM (gst_aravis->stream) && gst_aravis->packet_resend)
g_object_set (gst_aravis->stream, "packet-resend", ARV_GV_STREAM_PACKET_RESEND_ALWAYS, NULL);
else
g_object_set (gst_aravis->stream, "packet-resend", ARV_GV_STREAM_PACKET_RESEND_NEVER, NULL);
for (i = 0; i < GST_ARAVIS_N_BUFFERS; i++)
arv_stream_push_buffer (gst_aravis->stream,
arv_buffer_new (gst_aravis->payload, NULL));
GST_LOG_OBJECT (gst_aravis, "Start acquisition");
arv_camera_start_acquisition (gst_aravis->camera);
gst_aravis->timestamp_offset = 0;
gst_aravis->last_timestamp = 0;
return TRUE;
}
/**
* pk_gst_parse_codec:
**/
static PkGstCodecInfo *
pk_gst_parse_codec (const gchar *codec)
{
GstStructure *s;
PkGstCodecInfo *info = NULL;
_cleanup_free_ gchar *caps = NULL;
_cleanup_free_ gchar *type_name = NULL;
_cleanup_strv_free_ gchar **split = NULL;
_cleanup_strv_free_ gchar **ss = NULL;
split = g_strsplit (codec, "|", -1);
if (split == NULL || g_strv_length (split) != 5) {
g_message ("PackageKit: not a GStreamer codec line");
return NULL;
}
if (g_strcmp0 (split[0], "gstreamer") != 0) {
g_message ("PackageKit: not a GStreamer codec request");
return NULL;
}
if (g_strcmp0 (split[1], "0.10") != 0 &&
g_strcmp0 (split[1], "1.0") != 0) {
g_message ("PackageKit: not recognised GStreamer version");
return NULL;
}
if (g_str_has_prefix (split[4], "uri") != FALSE) {
/* split uri */
ss = g_strsplit (split[4], " ", 2);
info = g_new0 (PkGstCodecInfo, 1);
info->app_name = g_strdup (split[2]);
info->codec_name = g_strdup (split[3]);
info->type_name = g_strdup (ss[0]);
return info;
}
/* split */
ss = g_strsplit (split[4], "-", 2);
type_name = g_strdup (ss[0]);
caps = g_strdup (ss[1]);
s = gst_structure_from_string (caps, NULL);
if (s == NULL) {
g_message ("PackageKit: failed to parse caps: %s", caps);
return NULL;
}
/* remove fields that are almost always just MIN-MAX of some sort
* in order to make the caps look less messy */
gst_structure_remove_field (s, "pixel-aspect-ratio");
gst_structure_remove_field (s, "framerate");
gst_structure_remove_field (s, "channels");
gst_structure_remove_field (s, "width");
gst_structure_remove_field (s, "height");
gst_structure_remove_field (s, "rate");
gst_structure_remove_field (s, "depth");
gst_structure_remove_field (s, "clock-rate");
gst_structure_remove_field (s, "bitrate");
info = g_new0 (PkGstCodecInfo, 1);
info->gstreamer_version = g_strdup (split[1]);
info->app_name = g_strdup (split[2]);
info->codec_name = g_strdup (split[3]);
info->type_name = g_strdup (type_name);
info->structure = s;
return info;
}
static gboolean
gst_aravis_set_caps (GstBaseSrc *src, GstCaps *caps)
{
GstAravis* gst_aravis = GST_ARAVIS(src);
GstStructure *structure;
ArvPixelFormat pixel_format;
int height, width;
int bpp, depth;
const GValue *frame_rate;
const char *caps_string;
unsigned int i;
guint32 fourcc;
GST_LOG_OBJECT (gst_aravis, "Requested caps = %" GST_PTR_FORMAT, caps);
arv_camera_stop_acquisition (gst_aravis->camera);
if (gst_aravis->stream != NULL)
g_object_unref (gst_aravis->stream);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &width);
gst_structure_get_int (structure, "height", &height);
frame_rate = gst_structure_get_value (structure, "framerate");
gst_structure_get_fourcc (structure, "format", &fourcc);
gst_structure_get_int (structure, "bpp", &bpp);
gst_structure_get_int (structure, "depth", &depth);
pixel_format = arv_pixel_format_from_gst_caps (gst_structure_get_name (structure), bpp, depth, fourcc);
arv_camera_set_region (gst_aravis->camera, 0, 0, width, height);
arv_camera_set_binning (gst_aravis->camera, gst_aravis->h_binning, gst_aravis->v_binning);
arv_camera_set_pixel_format (gst_aravis->camera, pixel_format);
if (frame_rate != NULL) {
double dbl_frame_rate;
dbl_frame_rate = (double) gst_value_get_fraction_numerator (frame_rate) /
(double) gst_value_get_fraction_denominator (frame_rate);
GST_DEBUG_OBJECT (gst_aravis, "Frame rate = %g Hz", dbl_frame_rate);
arv_camera_set_frame_rate (gst_aravis->camera, dbl_frame_rate);
if (dbl_frame_rate > 0.0)
gst_aravis->buffer_timeout_us = MAX (GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT,
3e6 / dbl_frame_rate);
else
gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
} else
gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
GST_DEBUG_OBJECT (gst_aravis, "Buffer timeout = %Ld µs", gst_aravis->buffer_timeout_us);
GST_DEBUG_OBJECT (gst_aravis, "Actual frame rate = %g Hz", arv_camera_get_frame_rate (gst_aravis->camera));
GST_DEBUG_OBJECT (gst_aravis, "Gain = %d", gst_aravis->gain);
arv_camera_set_gain (gst_aravis->camera, gst_aravis->gain);
GST_DEBUG_OBJECT (gst_aravis, "Actual gain = %d", arv_camera_get_gain (gst_aravis->camera));
GST_DEBUG_OBJECT (gst_aravis, "Exposure = %g µs", gst_aravis->exposure_time_us);
arv_camera_set_exposure_time (gst_aravis->camera, gst_aravis->exposure_time_us);
GST_DEBUG_OBJECT (gst_aravis, "Actual exposure = %g µs", arv_camera_get_exposure_time (gst_aravis->camera));
if (gst_aravis->fixed_caps != NULL)
gst_caps_unref (gst_aravis->fixed_caps);
caps_string = arv_pixel_format_to_gst_caps_string (pixel_format);
if (caps_string != NULL) {
GstStructure *structure;
GstCaps *caps;
caps = gst_caps_new_empty ();
structure = gst_structure_from_string (caps_string, NULL);
gst_structure_set (structure,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
NULL);
if (frame_rate != NULL)
gst_structure_set_value (structure, "framerate", frame_rate);
gst_caps_append_structure (caps, structure);
gst_aravis->fixed_caps = caps;
} else
gst_aravis->fixed_caps = NULL;
gst_aravis->payload = arv_camera_get_payload (gst_aravis->camera);
gst_aravis->stream = arv_camera_create_stream (gst_aravis->camera, NULL, NULL);
for (i = 0; i < GST_ARAVIS_N_BUFFERS; i++)
arv_stream_push_buffer (gst_aravis->stream,
arv_buffer_new (gst_aravis->payload, NULL));
GST_LOG_OBJECT (gst_aravis, "Start acquisition");
arv_camera_start_acquisition (gst_aravis->camera);
gst_aravis->timestamp_offset = 0;
gst_aravis->last_timestamp = 0;
return TRUE;
}
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;
}
/*
* Makes a pipeline in the form:
* filesrc location=file ! demuxer ! fakesink
*
* And gets the tags that are posted on the bus to compare
* with the tags in 'tag_str'
*/
static void
test_demux_tags (const gchar * tag_str, const gchar * demuxer,
const gchar * file)
{
GstElement *pipeline;
GstBus *bus;
GMainLoop *loop;
GstTagList *sent_tags;
gint i, j, n_recv, n_sent;
const gchar *name_sent, *name_recv;
const GValue *value_sent, *value_recv;
gboolean found;
gint comparison;
GstElement *demux;
gchar *launch_str;
guint bus_watch = 0;
GST_DEBUG ("testing tags : %s", tag_str);
if (received_tags) {
gst_tag_list_free (received_tags);
received_tags = NULL;
}
launch_str = g_strdup_printf ("filesrc location=%s ! %s name=demux ! "
"fakesink", file, demuxer);
pipeline = gst_parse_launch (launch_str, NULL);
g_free (launch_str);
fail_unless (pipeline != NULL);
demux = gst_bin_get_by_name (GST_BIN (pipeline), "demux");
fail_unless (demux != NULL);
loop = g_main_loop_new (NULL, TRUE);
fail_unless (loop != NULL);
bus = gst_element_get_bus (pipeline);
fail_unless (bus != NULL);
bus_watch = gst_bus_add_watch (bus, bus_handler, loop);
gst_object_unref (bus);
sent_tags = gst_structure_from_string (tag_str, NULL);
fail_unless (sent_tags != NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_main_loop_run (loop);
GST_DEBUG ("mainloop done : %p", received_tags);
/* verify tags */
fail_unless (received_tags != NULL);
n_recv = gst_structure_n_fields (received_tags);
n_sent = gst_structure_n_fields (sent_tags);
fail_unless (n_recv >= n_sent);
/* FIXME: compare taglits values */
for (i = 0; i < n_sent; i++) {
name_sent = gst_structure_nth_field_name (sent_tags, i);
value_sent = gst_structure_get_value (sent_tags, name_sent);
found = FALSE;
for (j = 0; j < n_recv; j++) {
name_recv = gst_structure_nth_field_name (received_tags, j);
if (!strcmp (name_sent, name_recv)) {
value_recv = gst_structure_get_value (received_tags, name_recv);
comparison = gst_value_compare (value_sent, value_recv);
if (comparison != GST_VALUE_EQUAL) {
gchar *vs = g_strdup_value_contents (value_sent);
gchar *vr = g_strdup_value_contents (value_recv);
GST_DEBUG ("sent = %s:'%s', recv = %s:'%s'",
G_VALUE_TYPE_NAME (value_sent), vs,
G_VALUE_TYPE_NAME (value_recv), vr);
g_free (vs);
g_free (vr);
}
fail_unless (comparison == GST_VALUE_EQUAL,
"tag item %s has been received with different type or value",
name_sent);
found = TRUE;
break;
}
}
fail_unless (found, "tag item %s is lost", name_sent);
}
gst_tag_list_free (received_tags);
received_tags = NULL;
gst_tag_list_free (sent_tags);
gst_element_set_state (pipeline, GST_STATE_NULL);
g_main_loop_unref (loop);
g_object_unref (demux);
g_object_unref (pipeline);
g_source_remove (bus_watch);
}
gint
main (gint argc, gchar ** argv)
{
GstElement *bin;
GstElement *src, *fmt, *enc, *sink;
GstCaps *caps;
GstStructure *prog;
/* init gstreamer */
gst_init (&argc, &argv);
/* create a new bin to hold the elements */
bin = gst_pipeline_new ("camera");
/* create elements */
if (!(sink = gst_element_factory_make ("multifilesink", NULL))) {
GST_WARNING ("Can't create element \"multifilesink\"");
return -1;
}
g_object_set (sink, "location", "image%02d.jpg", NULL);
if (!(enc = gst_element_factory_make ("jpegenc", NULL))) {
GST_WARNING ("Can't create element \"jpegenc\"");
return -1;
}
if (!(fmt = gst_element_factory_make ("capsfilter", NULL))) {
GST_WARNING ("Can't create element \"capsfilter\"");
return -1;
}
caps =
gst_caps_from_string
("video/x-raw, width=640, height=480, framerate=(fraction)15/1");
g_object_set (fmt, "caps", caps, NULL);
if (!(src = gst_element_factory_make ("v4l2src", NULL))) {
GST_WARNING ("Can't create element \"v4l2src\"");
return -1;
}
g_object_set (src, "queue-size", 1, NULL);
/* add objects to the main bin */
gst_bin_add_many (GST_BIN (bin), src, fmt, enc, sink, NULL);
/* link elements */
if (!gst_element_link_many (src, fmt, enc, sink, NULL)) {
GST_WARNING ("Can't link elements");
return -1;
}
/* programm a pattern of events */
#if 0
prog = gst_structure_from_string ("program"
", image00=(structure)\"image\\,contrast\\=0.0\\;\""
", image01=(structure)\"image\\,contrast\\=0.3\\;\""
", image02=(structure)\"image\\,contrast\\=1.0\\;\""
", image03=(structure)\"image\\,contrast\\=0.05\\;\";", NULL);
#endif
#if 1
prog = gst_structure_from_string ("program"
", image00=(structure)\"image\\,brightness\\=1.0\\,contrast\\=0.0\\;\""
", image01=(structure)\"image\\,brightness\\=0.5\\,contrast\\=0.3\\;\""
", image02=(structure)\"image\\,brightness\\=0.25\\,contrast\\=1.0\\;\""
", image03=(structure)\"image\\,brightness\\=0.0\\,contrast\\=0.05\\;\";",
NULL);
#endif
set_program (GST_OBJECT (src), prog);
g_object_set (src, "num-buffers", gst_structure_n_fields (prog), NULL);
/* prepare playback */
gst_element_set_state (bin, GST_STATE_PAUSED);
/* play and wait */
gst_element_set_state (bin, GST_STATE_PLAYING);
/* mainloop and wait for eos */
event_loop (bin);
/* stop and cleanup */
gst_element_set_state (bin, GST_STATE_NULL);
gst_object_unref (GST_OBJECT (bin));
return 0;
}
void
shmsrc_tilde_on_data (shmdata_any_reader_t *reader,
void *shmbuf,
void *data,
int data_size,
unsigned long long timestamp,
const char *type_description,
void *user_data)
{
t_shmsrc_tilde *x = (t_shmsrc_tilde *) user_data;
//do not buffer audio if dsp is off FIXME should be optionnal
if (!canvas_dspstate)
{
shmdata_any_reader_free (shmbuf);
return;
}
/* printf ("data %p, data size %d, timestamp %llu, type descr %s\n", */
/* data, data_size, timestamp, type_description); */
GstStructure *meta_data = gst_structure_from_string (type_description, NULL);
if (meta_data == NULL)
{
shmdata_any_reader_free (shmbuf);
//post ("metadata is NULL\n");
return;
}
if (!g_str_has_prefix (gst_structure_get_name (meta_data), "audio/"))
{
shmdata_any_reader_free (shmbuf);
//post ("not an audio stream\n");
return;
} //should be "audio/...
t_shmsrc_tilde_buf *audio_buf = g_malloc0 (sizeof (t_shmsrc_tilde_buf));
int channels = -1;
int samplerate = -1;
int width = -1;
gst_structure_get (meta_data,
"rate", G_TYPE_INT, &samplerate,
"channels", G_TYPE_INT, &channels,
"width", G_TYPE_INT, &width,
NULL);
gst_structure_free(meta_data);
audio_buf->num_channels_in_buf = channels;
if (channels > x->x_num_outlets)
audio_buf->num_channels_to_output = x->x_num_outlets;
else if (channels < 0)
audio_buf->num_channels_to_output = 0;
else
audio_buf->num_channels_to_output = channels;
audio_buf->num_unused_channels = channels - x->x_num_outlets;
if (audio_buf->num_unused_channels < 0)
audio_buf->num_unused_channels = 0;
audio_buf->sample_rate = samplerate;
//audio_buf->sample_size = width;
audio_buf->remaining_samples = data_size / ((width/8) * channels);
/* g_print ("data_size %d, width %d, channels %d, samplerate %d, remaining samples %d, cur logicial date %f \n", */
/* data_size, */
/* width, */
/* channels, */
/* samplerate, */
/* audio_buf->remaining_samples, */
/* clock_getlogicaltime()); */
//g_print ("on data queue size %d\n", g_async_queue_length (x->x_audio_queue));
double audio_buf_sample_duration = (1.0 / samplerate) * (32.*441000.); //see TIMEUNITPERSEC in m_sched.c
audio_buf->shm_buf = shmbuf;
//double cur_date = clock_getlogicaltime();
/* if (x->x_stream_data_date == -1.0) */
/* x->x_stream_data_date = clock_getlogicaltime(); */
if (x->x_stream_sample_duration == -1.0)
x->x_stream_sample_duration = audio_buf_sample_duration;
/* else */
/* { */
/* double cur_stream_dur = (cur_date - x->x_stream_data_date) / audio_buf->remaining_samples; */
/* double max_deriv = 0.001; //FIXME make this a param */
/* if (cur_stream_dur > audio_buf_sample_duration * (1.0 + max_deriv)) */
/* cur_stream_dur = audio_buf_sample_duration * (1.0 + max_deriv); */
/* else if (cur_stream_dur < audio_buf_sample_duration * (1.0 - max_deriv)) */
/* cur_stream_dur = audio_buf_sample_duration * (1.0 - max_deriv); */
/* x->x_stream_sample_duration = audio_buf_sample_duration; */
/* } */
/* x->x_stream_sample_duration = ceil (x->x_stream_sample_duration); */
/* x->x_stream_data_date = cur_date; */
/* g_print ("rate %d, channels %d, width %d num sample=%d\n", */
/* samplerate, */
/* channels, */
/* width, */
/* data_size / ((width/8) *channels)); */
//converting to float
audio_buf->free_audio_data = FALSE;
audio_buf->audio_data = (t_float *)data;
if (width == 16)
{
//g_print ("converting\n");
audio_buf->free_audio_data = TRUE;
t_float *audio_converted = g_malloc0 (sizeof (t_float)
* audio_buf->num_channels_in_buf
* audio_buf->remaining_samples);
audio_buf->audio_data = audio_converted;
int n = channels * audio_buf->remaining_samples;
while (n--)
{
*audio_converted++ = (t_float)(*(gint16 *)data * 3.051850e-05);
data += sizeof(gint16);
}
}
else if (width == 8)
{
post ("8 bit audio not supported yet");
shmdata_any_reader_free (shmbuf);
return;
}
audio_buf->current_pos = audio_buf->audio_data;
g_async_queue_push (x->x_audio_queue, audio_buf);
}
