GstPhotography *CameraBinSession::photography()
{
if (GST_IS_PHOTOGRAPHY(m_pipeline)) {
return GST_PHOTOGRAPHY(m_pipeline);
}
if (!m_videoSrc) {
m_videoSrc = buildVideoSrc();
if (m_videoSrc)
g_object_set(m_pipeline, VIDEO_SOURCE_PROPERTY, m_videoSrc, NULL);
else
g_object_get(m_pipeline, VIDEO_SOURCE_PROPERTY, &m_videoSrc, NULL);
updateVideoSourceCaps();
m_videoInputHasChanged = false;
}
if (m_videoSrc && GST_IS_PHOTOGRAPHY(m_videoSrc))
return GST_PHOTOGRAPHY(m_videoSrc);
return 0;
}
/**
* gst_base_camera_src_get_photography:
* @self: the camerasrc bin
*
* Get object implementing photography interface, if there is one. Otherwise
* returns NULL.
*/
GstPhotography *
gst_base_camera_src_get_photography (GstBaseCameraSrc * self)
{
GstElement *elem;
if (GST_IS_PHOTOGRAPHY (self)) {
elem = GST_ELEMENT (self);
} else {
elem = gst_bin_get_by_interface (GST_BIN (self), GST_TYPE_PHOTOGRAPHY);
}
if (elem) {
return GST_PHOTOGRAPHY (self);
}
return NULL;
}
static void
test_photography_properties (GstElement * cam)
{
GTypeClass *tclass;
gulong capabilities;
guint aperture;
guint32 exposure;
gfloat ev_comp, orig_ev_comp;
guint iso_speed = 100, orig_iso_speed;
GstFlashMode flash, orig_flash;
GstWhiteBalanceMode wb, orig_wb;
GstColourToneMode ct, orig_ct;
GstSceneMode sm, orig_sm;
GstFocusMode fm, orig_fm;
GstFlickerReductionMode flm, orig_flm;
GstCaps *caps = NULL;
if (!GST_IS_PHOTOGRAPHY (cam)) {
GST_WARNING
("omitting photography properties test, not photography interface");
return;
}
/* NOTE: unit testing uses videotestsrc element which is doesn't implement
photography interface so we just check that values returned
are sane */
/* read only flags */
g_object_get (GST_PHOTOGRAPHY (cam), "capabilities", &capabilities, NULL);
fail_if (capabilities < 0, "getting photography capabilities failed");
/* for image-capture-supported-caps we should get something always */
g_object_get (GST_PHOTOGRAPHY (cam), "image-capture-supported-caps", &caps,
NULL);
fail_if (caps == NULL, "getting photography capabilities failed");
if (caps)
gst_caps_unref (caps);
exposure = 0; /* auto */
g_object_set (GST_PHOTOGRAPHY (cam), "exposure", exposure, NULL);
g_object_get (GST_PHOTOGRAPHY (cam), "exposure", &exposure, NULL);
fail_if (exposure < 0, "setting photography exposure failed");
aperture = 0; /* auto */
g_object_set (GST_PHOTOGRAPHY (cam), "aperture", aperture, NULL);
g_object_get (GST_PHOTOGRAPHY (cam), "aperture", &aperture, NULL);
fail_if (aperture < 0 || aperture > 255,
"setting photography aperture failed");
for (ev_comp = -2.5; ev_comp <= 2.5; ev_comp += 0.5) {
orig_ev_comp = ev_comp;
g_object_set (GST_PHOTOGRAPHY (cam), "ev-compensation", ev_comp, NULL);
g_object_get (GST_PHOTOGRAPHY (cam), "ev-compensation", &ev_comp, NULL);
fail_if (ev_comp < -2.5 || ev_comp > 2.5,
"setting photography ev compensation failed");
ev_comp = orig_ev_comp;
}
/* FIXME: what are the actual iso values? */
for (iso_speed = 100; iso_speed <= 800; iso_speed *= 2) {
orig_iso_speed = iso_speed;
g_object_set (GST_PHOTOGRAPHY (cam), "iso-speed", iso_speed, NULL);
g_object_get (GST_PHOTOGRAPHY (cam), "iso-speed", &iso_speed, NULL);
fail_if (iso_speed < 0 || iso_speed > 800,
"setting photography iso speed failed");
iso_speed = orig_iso_speed;
}
tclass = g_type_class_ref (GST_TYPE_FLASH_MODE);
for (flash = 0; flash < G_ENUM_CLASS (tclass)->n_values; flash++) {
orig_flash = flash;
g_object_set (GST_PHOTOGRAPHY (cam), "flash-mode", flash, NULL);
g_object_get (GST_PHOTOGRAPHY (cam), "flash-mode", &flash, NULL);
fail_if (flash < 0 || flash >= G_ENUM_CLASS (tclass)->n_values,
"setting photography flash failed");
flash = orig_flash;
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_WHITE_BALANCE_MODE);
for (wb = 0; wb < G_ENUM_CLASS (tclass)->n_values; wb++) {
orig_wb = wb;
g_object_set (G_OBJECT (cam), "white-balance-mode", wb, NULL);
g_object_get (G_OBJECT (cam), "white-balance-mode", &wb, NULL);
fail_if (wb < 0 || wb >= G_ENUM_CLASS (tclass)->n_values,
"setting photography white balance mode failed");
wb = orig_wb;
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_COLOUR_TONE_MODE);
for (ct = 0; ct < G_ENUM_CLASS (tclass)->n_values; ct++) {
orig_ct = ct;
g_object_set (G_OBJECT (cam), "colour-tone-mode", ct, NULL);
g_object_get (G_OBJECT (cam), "colour-tone-mode", &ct, NULL);
fail_if (ct < 0 || ct >= G_ENUM_CLASS (tclass)->n_values,
"setting photography colour tone mode failed");
ct = orig_ct;
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_SCENE_MODE);
for (sm = 0; sm < G_ENUM_CLASS (tclass)->n_values; sm++) {
orig_sm = sm;
g_object_set (G_OBJECT (cam), "scene-mode", sm, NULL);
g_object_get (G_OBJECT (cam), "scene-mode", &sm, NULL);
fail_if (sm < 0 || sm > G_ENUM_CLASS (tclass)->n_values,
"setting photography scene mode failed");
sm = orig_sm;
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_FOCUS_MODE);
for (fm = 0; fm < G_ENUM_CLASS (tclass)->n_values; fm++) {
orig_fm = fm;
g_object_set (G_OBJECT (cam), "focus-mode", fm, NULL);
g_object_get (G_OBJECT (cam), "focus-mode", &fm, NULL);
fail_if (fm < 0 || fm > G_ENUM_CLASS (tclass)->n_values,
"setting photography focus mode failed");
fm = orig_fm;
g_usleep (PHOTO_SETTING_DELAY_US);
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_FLICKER_REDUCTION_MODE);
for (flm = 0; flm < G_ENUM_CLASS (tclass)->n_values; flm++) {
orig_flm = flm;
g_object_set (G_OBJECT (cam), "flicker-mode", flm, NULL);
g_object_get (G_OBJECT (cam), "flicker-mode", &flm, NULL);
fail_if (flm < 0 || flm > G_ENUM_CLASS (tclass)->n_values,
"setting photography flicker reduction mode failed");
flm = orig_flm;
g_usleep (PHOTO_SETTING_DELAY_US);
}
g_type_class_unref (tclass);
}
static void
test_photography_settings (GstElement * cam)
{
GTypeClass *tclass;
gfloat ev_comp, orig_ev_comp;
guint iso_speed = 100, orig_iso_speed;
GstFlashMode flash, orig_flash;
GstWhiteBalanceMode wb, orig_wb;
GstColourToneMode ct, orig_ct;
GstSceneMode sm, orig_sm;
GstFlickerReductionMode flm, orig_flm;
GstFocusMode fm, orig_fm;
gfloat zoom, orig_zoom;
if (!GST_IS_PHOTOGRAPHY (cam)) {
GST_WARNING
("omitting photography settings test, "
"photography interface not implemented");
return;
}
for (ev_comp = -3.0; ev_comp <= 3.0; ev_comp += 0.5) {
orig_ev_comp = ev_comp;
gst_photography_set_ev_compensation (GST_PHOTOGRAPHY (cam), ev_comp);
gst_photography_get_ev_compensation (GST_PHOTOGRAPHY (cam), &ev_comp);
fail_if (orig_ev_comp != ev_comp,
"setting photography ev compensation failed");
ev_comp = orig_ev_comp;
g_usleep (PHOTO_SETTING_DELAY_US);
}
/* FIXME: what are the actual iso values? */
for (iso_speed = 100; iso_speed <= 800; iso_speed *= 2) {
orig_iso_speed = iso_speed;
gst_photography_set_iso_speed (GST_PHOTOGRAPHY (cam), iso_speed);
gst_photography_get_iso_speed (GST_PHOTOGRAPHY (cam), &iso_speed);
fail_if (orig_iso_speed != iso_speed,
"setting photography iso speed failed");
iso_speed = orig_iso_speed;
g_usleep (PHOTO_SETTING_DELAY_US);
}
tclass = g_type_class_ref (GST_TYPE_FLASH_MODE);
for (flash = 0; flash < G_ENUM_CLASS (tclass)->n_values; flash++) {
orig_flash = flash;
gst_photography_set_flash_mode (GST_PHOTOGRAPHY (cam), flash);
gst_photography_get_flash_mode (GST_PHOTOGRAPHY (cam), &flash);
fail_if (orig_flash != flash, "setting photography flash failed");
flash = orig_flash;
g_usleep (PHOTO_SETTING_DELAY_US);
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_WHITE_BALANCE_MODE);
for (wb = 0; wb < G_ENUM_CLASS (tclass)->n_values; wb++) {
orig_wb = wb;
gst_photography_set_white_balance_mode (GST_PHOTOGRAPHY (cam), wb);
gst_photography_get_white_balance_mode (GST_PHOTOGRAPHY (cam), &wb);
fail_if (orig_wb != wb, "setting photography white balance mode failed");
wb = orig_wb;
g_usleep (PHOTO_SETTING_DELAY_US);
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_COLOUR_TONE_MODE);
for (ct = 0; ct < G_ENUM_CLASS (tclass)->n_values; ct++) {
orig_ct = ct;
gst_photography_set_colour_tone_mode (GST_PHOTOGRAPHY (cam), ct);
gst_photography_get_colour_tone_mode (GST_PHOTOGRAPHY (cam), &ct);
fail_if (orig_ct != ct, "setting photography colour tone mode failed");
ct = orig_ct;
g_usleep (PHOTO_SETTING_DELAY_US);
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_SCENE_MODE);
for (sm = 0; sm < G_ENUM_CLASS (tclass)->n_values; sm++) {
orig_sm = sm;
gst_photography_set_scene_mode (GST_PHOTOGRAPHY (cam), sm);
gst_photography_get_scene_mode (GST_PHOTOGRAPHY (cam), &sm);
fail_if (orig_sm != sm, "setting photography scene mode failed");
sm = orig_sm;
g_usleep (PHOTO_SETTING_DELAY_US);
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_FOCUS_MODE);
for (fm = 0; fm < G_ENUM_CLASS (tclass)->n_values; fm++) {
orig_fm = fm;
gst_photography_set_focus_mode (GST_PHOTOGRAPHY (cam), fm);
gst_photography_get_focus_mode (GST_PHOTOGRAPHY (cam), &fm);
fail_if (orig_fm != fm, "setting photography focus mode failed");
fm = orig_fm;
g_usleep (PHOTO_SETTING_DELAY_US);
}
g_type_class_unref (tclass);
tclass = g_type_class_ref (GST_TYPE_FLICKER_REDUCTION_MODE);
for (flm = 0; flm < G_ENUM_CLASS (tclass)->n_values; flm++) {
orig_flm = flm;
gst_photography_set_flicker_mode (GST_PHOTOGRAPHY (cam), flm);
gst_photography_get_flicker_mode (GST_PHOTOGRAPHY (cam), &flm);
fail_if (orig_flm != flm, "setting photography flicker mode failed");
flm = orig_flm;
g_usleep (PHOTO_SETTING_DELAY_US);
}
g_type_class_unref (tclass);
for (zoom = 1.0; zoom <= 10.0; zoom += 1.0) {
orig_zoom = zoom;
gst_photography_set_zoom (GST_PHOTOGRAPHY (cam), zoom);
gst_photography_get_zoom (GST_PHOTOGRAPHY (cam), &zoom);
fail_if (orig_zoom != zoom, "setting photography zoom failed");
zoom = orig_zoom;
g_usleep (PHOTO_SETTING_DELAY_US);
}
}
