#include <string.h>
#include <errno.h>
#include <unistd.h>
+#ifdef __sun
+/* Needed on older Solaris Nevada builds (72 at least) */
+#include <stropts.h>
+#include <sys/ioccom.h>
+#endif
#include "v4l2_calls.h"
#include "gstv4l2tuner.h"
+#if 0
#include "gstv4l2xoverlay.h"
+#endif
#include "gstv4l2colorbalance.h"
#include "gstv4l2src.h"
+#include "gstv4l2sink.h"
+
+#include "gst/gst-i18n-plugin.h"
+
+/* Those are ioctl calls */
+#ifndef V4L2_CID_HCENTER
+#define V4L2_CID_HCENTER V4L2_CID_HCENTER_DEPRECATED
+#endif
+#ifndef V4L2_CID_VCENTER
+#define V4L2_CID_VCENTER V4L2_CID_VCENTER_DEPRECATED
+#endif
GST_DEBUG_CATEGORY_EXTERN (v4l2_debug);
#define GST_CAT_DEFAULT v4l2_debug
gboolean
gst_v4l2_get_capabilities (GstV4l2Object * v4l2object)
{
- GST_DEBUG_OBJECT (v4l2object->element, "getting capabilities");
+ GstElement *e;
+
+ e = v4l2object->element;
+
+ GST_DEBUG_OBJECT (e, "getting capabilities");
if (!GST_V4L2_IS_OPEN (v4l2object))
return FALSE;
- if (ioctl (v4l2object->video_fd, VIDIOC_QUERYCAP, &v4l2object->vcap) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_QUERYCAP, &v4l2object->vcap) < 0)
goto cap_failed;
+ GST_LOG_OBJECT (e, "driver: '%s'", v4l2object->vcap.driver);
+ GST_LOG_OBJECT (e, "card: '%s'", v4l2object->vcap.card);
+ GST_LOG_OBJECT (e, "bus_info: '%s'", v4l2object->vcap.bus_info);
+ GST_LOG_OBJECT (e, "version: %08x", v4l2object->vcap.version);
+ GST_LOG_OBJECT (e, "capabilites: %08x", v4l2object->vcap.capabilities);
+
return TRUE;
/* ERRORS */
{
gint n;
- GST_DEBUG_OBJECT (v4l2object->element, "getting enumerations");
+ GstElement *e;
+
+ e = v4l2object->element;
+
+ GST_DEBUG_OBJECT (e, "getting enumerations");
GST_V4L2_CHECK_OPEN (v4l2object);
- GST_DEBUG_OBJECT (v4l2object->element, " channels");
+ GST_DEBUG_OBJECT (e, " channels");
/* and now, the channels */
for (n = 0;; n++) {
struct v4l2_input input;
GstV4l2TunerChannel *v4l2channel;
GstTunerChannel *channel;
+ memset (&input, 0, sizeof (input));
+
input.index = n;
- if (ioctl (v4l2object->video_fd, VIDIOC_ENUMINPUT, &input) < 0) {
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_ENUMINPUT, &input) < 0) {
if (errno == EINVAL)
break; /* end of enumeration */
else {
- GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get %d in channel enumeration for %s."),
- n, v4l2object->videodev), GST_ERROR_SYSTEM);
+ GST_ELEMENT_ERROR (e, RESOURCE, SETTINGS,
+ (_("Failed to query attributes of input %d in device %s"),
+ n, v4l2object->videodev),
+ ("Failed to get %d in input enumeration for %s. (%d - %s)",
+ n, v4l2object->videodev, errno, strerror (errno)));
return FALSE;
}
}
- GST_DEBUG_OBJECT (v4l2object->element, " '%s'", input.name);
+ GST_LOG_OBJECT (e, " index: %d", input.index);
+ GST_LOG_OBJECT (e, " name: '%s'", input.name);
+ GST_LOG_OBJECT (e, " type: %08x", input.type);
+ GST_LOG_OBJECT (e, " audioset: %08x", input.audioset);
+ GST_LOG_OBJECT (e, " std: %016x", (guint) input.std);
+ GST_LOG_OBJECT (e, " status: %08x", input.status);
v4l2channel = g_object_new (GST_TYPE_V4L2_TUNER_CHANNEL, NULL);
channel = GST_TUNER_CHANNEL (v4l2channel);
channel->label = g_strdup ((const gchar *) input.name);
channel->flags = GST_TUNER_CHANNEL_INPUT;
v4l2channel->index = n;
+
if (input.type == V4L2_INPUT_TYPE_TUNER) {
struct v4l2_tuner vtun;
channel->flags |= GST_TUNER_CHANNEL_FREQUENCY;
vtun.index = input.tuner;
- if (ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &vtun) < 0) {
- GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get tuner %d settings on %s."),
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &vtun) < 0) {
+ GST_ELEMENT_ERROR (e, RESOURCE, SETTINGS,
+ (_("Failed to get setting of tuner %d on device '%s'."),
input.tuner, v4l2object->videodev), GST_ERROR_SYSTEM);
g_object_unref (G_OBJECT (channel));
return FALSE;
}
+
channel->freq_multiplicator =
62.5 * ((vtun.capability & V4L2_TUNER_CAP_LOW) ? 1 : 1000);
channel->min_frequency = vtun.rangelow * channel->freq_multiplicator;
}
v4l2object->channels =
- g_list_append (v4l2object->channels, (gpointer) channel);
+ g_list_prepend (v4l2object->channels, (gpointer) channel);
}
+ v4l2object->channels = g_list_reverse (v4l2object->channels);
- GST_DEBUG_OBJECT (v4l2object->element, " norms");
+ GST_DEBUG_OBJECT (e, " norms");
/* norms... */
for (n = 0;; n++) {
- struct v4l2_standard standard;
+ struct v4l2_standard standard = { 0, };
GstV4l2TunerNorm *v4l2norm;
+
GstTunerNorm *norm;
/* fill in defaults */
- standard.frameperiod.denominator = 0;
standard.frameperiod.numerator = 1;
+ standard.frameperiod.denominator = 0;
standard.index = n;
- if (ioctl (v4l2object->video_fd, VIDIOC_ENUMSTD, &standard) < 0) {
- if (errno == EINVAL)
+
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_ENUMSTD, &standard) < 0) {
+ if (errno == EINVAL || errno == ENOTTY)
break; /* end of enumeration */
else {
- GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get %d in norm enumeration for %s."),
- n, v4l2object->videodev), GST_ERROR_SYSTEM);
+ GST_ELEMENT_ERROR (e, RESOURCE, SETTINGS,
+ (_("Failed to query norm on device '%s'."),
+ v4l2object->videodev),
+ ("Failed to get attributes for norm %d on devide '%s'. (%d - %s)",
+ n, v4l2object->videodev, errno, strerror (errno)));
return FALSE;
}
}
- GST_DEBUG_OBJECT (v4l2object->element, " '%s', fps: %d/%d",
+ GST_DEBUG_OBJECT (e, " '%s', fps: %d / %d",
standard.name, standard.frameperiod.denominator,
standard.frameperiod.numerator);
standard.frameperiod.denominator, standard.frameperiod.numerator);
v4l2norm->index = standard.id;
- v4l2object->norms = g_list_append (v4l2object->norms, (gpointer) norm);
+ GST_DEBUG_OBJECT (v4l2object->element, "index=%08x, label=%s",
+ (unsigned int) v4l2norm->index, norm->label);
+
+ v4l2object->norms = g_list_prepend (v4l2object->norms, (gpointer) norm);
}
+ v4l2object->norms = g_list_reverse (v4l2object->norms);
+
+ GST_DEBUG_OBJECT (e, " controls+menus");
- GST_DEBUG_OBJECT (v4l2object->element, " controls+menus");
/* and lastly, controls+menus (if appropriate) */
for (n = V4L2_CID_BASE;; n++) {
- struct v4l2_queryctrl control;
+ struct v4l2_queryctrl control = { 0, };
GstV4l2ColorBalanceChannel *v4l2channel;
GstColorBalanceChannel *channel;
/* when we reached the last official CID, continue with private CIDs */
if (n == V4L2_CID_LASTP1) {
- GST_DEBUG_OBJECT (v4l2object->element, "checking private CIDs");
+ GST_DEBUG_OBJECT (e, "checking private CIDs");
n = V4L2_CID_PRIVATE_BASE;
- /* FIXME: We are still not handling private controls. We need a new GstInterface
- to export those controls */
- break;
}
+ GST_DEBUG_OBJECT (e, "checking control %08x", n);
control.id = n;
- if (ioctl (v4l2object->video_fd, VIDIOC_QUERYCTRL, &control) < 0) {
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_QUERYCTRL, &control) < 0) {
if (errno == EINVAL) {
- if (n < V4L2_CID_PRIVATE_BASE)
+ if (n < V4L2_CID_PRIVATE_BASE) {
+ GST_DEBUG_OBJECT (e, "skipping control %08x", n);
/* continue so that we also check private controls */
continue;
- else
+ } else {
+ GST_DEBUG_OBJECT (e, "controls finished");
break;
+ }
} else {
- GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get %d in control enumeration for %s."),
- n, v4l2object->videodev), GST_ERROR_SYSTEM);
+ GST_ELEMENT_ERROR (e, RESOURCE, SETTINGS,
+ (_("Failed getting controls attributes on device '%s'."),
+ v4l2object->videodev),
+ ("Failed querying control %d on device '%s'. (%d - %s)",
+ n, v4l2object->videodev, errno, strerror (errno)));
return FALSE;
}
}
- if (control.flags & V4L2_CTRL_FLAG_DISABLED)
+ if (control.flags & V4L2_CTRL_FLAG_DISABLED) {
+ GST_DEBUG_OBJECT (e, "skipping disabled control");
continue;
+ }
switch (n) {
case V4L2_CID_BRIGHTNESS:
case V4L2_CID_EXPOSURE:
case V4L2_CID_AUTOGAIN:
case V4L2_CID_GAIN:
+#ifdef V4L2_CID_SHARPNESS
+ case V4L2_CID_SHARPNESS:
+#endif
/* we only handle these for now (why?) */
break;
case V4L2_CID_HFLIP:
case V4L2_CID_VFLIP:
case V4L2_CID_HCENTER:
case V4L2_CID_VCENTER:
+#ifdef V4L2_CID_PAN_RESET
+ case V4L2_CID_PAN_RESET:
+#endif
+#ifdef V4L2_CID_TILT_RESET
+ case V4L2_CID_TILT_RESET:
+#endif
/* not handled here, handled by VideoOrientation interface */
control.id++;
break;
/* FIXME: We should implement GstMixer interface */
/* fall through */
default:
- GST_DEBUG_OBJECT (v4l2object->element,
+ GST_DEBUG_OBJECT (e,
"ControlID %s (%x) unhandled, FIXME", control.name, n);
control.id++;
break;
if (n != control.id)
continue;
- GST_DEBUG_OBJECT (v4l2object->element,
- "Adding ControlID %s (%x)", control.name, n);
+ GST_DEBUG_OBJECT (e, "Adding ControlID %s (%x)", control.name, n);
v4l2channel = g_object_new (GST_TYPE_V4L2_COLOR_BALANCE_CHANNEL, NULL);
channel = GST_COLOR_BALANCE_CHANNEL (v4l2channel);
channel->label = g_strdup ((const gchar *) control.name);
v4l2channel->id = n;
-#if 0 /* FIXME: it will be need just when handling private controls
- (currently none of base controls are of this type) */
+#if 0
+ /* FIXME: it will be need just when handling private controls
+ *(currently none of base controls are of this type) */
if (control.type == V4L2_CTRL_TYPE_MENU) {
struct v4l2_querymenu menu, *mptr;
+
int i;
menu.id = n;
for (i = 0;; i++) {
menu.index = i;
- if (ioctl (v4l2object->video_fd, VIDIOC_QUERYMENU, &menu) < 0) {
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_QUERYMENU, &menu) < 0) {
if (errno == EINVAL)
break; /* end of enumeration */
else {
- GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get %d in menu enumeration for %s"),
- n, v4l2object->videodev), GST_ERROR_SYSTEM);
+ GST_ELEMENT_ERROR (e, RESOURCE, SETTINGS,
+ (_("Failed getting controls attributes on device '%s'."),
+ v4l2object->videodev),
+ ("Failed to get %d in menu enumeration for %s. (%d - %s)",
+ n, v4l2object->videodev, errno, strerror (errno)));
return FALSE;
}
}
/* FIXME we should find out how to handle V4L2_CTRL_TYPE_BUTTON.
BUTTON controls like V4L2_CID_DO_WHITE_BALANCE can just be set (1) or
unset (0), but can't be queried */
- GST_DEBUG_OBJECT (v4l2object->element,
+ GST_DEBUG_OBJECT (e,
"Control with non supported type %s (%x), type=%d",
control.name, n, control.type);
channel->min_value = channel->max_value = 0;
break;
}
- v4l2object->colors = g_list_append (v4l2object->colors, (gpointer) channel);
+ v4l2object->colors =
+ g_list_prepend (v4l2object->colors, (gpointer) channel);
}
+ v4l2object->colors = g_list_reverse (v4l2object->colors);
- GST_DEBUG_OBJECT (v4l2object->element, "done");
+ GST_DEBUG_OBJECT (e, "done");
return TRUE;
}
gst_v4l2_open (GstV4l2Object * v4l2object)
{
struct stat st;
+ int libv4l2_fd;
+ GstPollFD pollfd = GST_POLL_FD_INIT;
GST_DEBUG_OBJECT (v4l2object->element, "Trying to open device %s",
v4l2object->videodev);
if (!GST_V4L2_IS_OPEN (v4l2object))
goto not_open;
+ libv4l2_fd = v4l2_fd_open (v4l2object->video_fd,
+ V4L2_ENABLE_ENUM_FMT_EMULATION);
+ /* Note the v4l2_xxx functions are designed so that if they get passed an
+ unknown fd, the will behave exactly as their regular xxx counterparts, so
+ if v4l2_fd_open fails, we continue as normal (missing the libv4l2 custom
+ cam format to normal formats conversion). Chances are big we will still
+ fail then though, as normally v4l2_fd_open only fails if the device is not
+ a v4l2 device. */
+ if (libv4l2_fd != -1)
+ v4l2object->video_fd = libv4l2_fd;
+
+ v4l2object->can_poll_device = TRUE;
+
/* get capabilities, error will be posted */
if (!gst_v4l2_get_capabilities (v4l2object))
goto error;
/* do we need to be a capture device? */
- if (GST_IS_V4L2SRC (v4l2object) &&
+ if (GST_IS_V4L2SRC (v4l2object->element) &&
!(v4l2object->vcap.capabilities & V4L2_CAP_VIDEO_CAPTURE))
goto not_capture;
+ if (GST_IS_V4L2SINK (v4l2object->element) &&
+ !(v4l2object->vcap.capabilities & V4L2_CAP_VIDEO_OUTPUT))
+ goto not_output;
+
/* create enumerations, posts errors. */
if (!gst_v4l2_fill_lists (v4l2object))
goto error;
"Opened device '%s' (%s) successfully",
v4l2object->vcap.card, v4l2object->videodev);
+ pollfd.fd = v4l2object->video_fd;
+ gst_poll_add_fd (v4l2object->poll, &pollfd);
+ gst_poll_fd_ctl_read (v4l2object->poll, &pollfd, TRUE);
+
return TRUE;
/* ERRORS */
not_open:
{
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, OPEN_READ_WRITE,
- (_("Could not open device \"%s\" for reading and writing."),
+ (_("Could not open device '%s' for reading and writing."),
v4l2object->videodev), GST_ERROR_SYSTEM);
goto error;
}
not_capture:
{
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, NOT_FOUND,
- (_("Device \"%s\" is not a capture device."),
+ (_("Device '%s' is not a capture device."),
+ v4l2object->videodev),
+ ("Capabilities: 0x%x", v4l2object->vcap.capabilities));
+ goto error;
+ }
+not_output:
+ {
+ GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, NOT_FOUND,
+ (_("Device '%s' is not a output device."),
v4l2object->videodev),
("Capabilities: 0x%x", v4l2object->vcap.capabilities));
goto error;
{
if (GST_V4L2_IS_OPEN (v4l2object)) {
/* close device */
- close (v4l2object->video_fd);
+ v4l2_close (v4l2object->video_fd);
v4l2object->video_fd = -1;
}
/* empty lists */
gboolean
gst_v4l2_close (GstV4l2Object * v4l2object)
{
+ GstPollFD pollfd = GST_POLL_FD_INIT;
GST_DEBUG_OBJECT (v4l2object->element, "Trying to close %s",
v4l2object->videodev);
GST_V4L2_CHECK_NOT_ACTIVE (v4l2object);
/* close device */
- close (v4l2object->video_fd);
+ v4l2_close (v4l2object->video_fd);
+ pollfd.fd = v4l2object->video_fd;
+ gst_poll_remove_fd (v4l2object->poll, &pollfd);
v4l2object->video_fd = -1;
/* empty lists */
if (!GST_V4L2_IS_OPEN (v4l2object))
return FALSE;
- if (ioctl (v4l2object->video_fd, VIDIOC_G_STD, norm) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_STD, norm) < 0)
goto std_failed;
return TRUE;
gboolean
gst_v4l2_set_norm (GstV4l2Object * v4l2object, v4l2_std_id norm)
{
- GST_DEBUG_OBJECT (v4l2object->element, "trying to set norm to %llx", norm);
+ GST_DEBUG_OBJECT (v4l2object->element, "trying to set norm to "
+ "%" G_GINT64_MODIFIER "x", (guint64) norm);
if (!GST_V4L2_IS_OPEN (v4l2object))
return FALSE;
- if (ioctl (v4l2object->video_fd, VIDIOC_S_STD, &norm) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_S_STD, &norm) < 0)
goto std_failed;
return TRUE;
std_failed:
{
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to set norm 0x%llx for device %s: %s."),
- norm, v4l2object->videodev), GST_ERROR_SYSTEM);
+ (_("Failed to set norm for device '%s'."),
+ v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
}
gst_v4l2_get_frequency (GstV4l2Object * v4l2object,
gint tunernum, gulong * frequency)
{
- struct v4l2_frequency freq;
+ struct v4l2_frequency freq = { 0, };
+
GstTunerChannel *channel;
GST_DEBUG_OBJECT (v4l2object->element, "getting current tuner frequency");
channel = gst_tuner_get_channel (GST_TUNER (v4l2object->element));
freq.tuner = tunernum;
- if (ioctl (v4l2object->video_fd, VIDIOC_G_FREQUENCY, &freq) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_FREQUENCY, &freq) < 0)
goto freq_failed;
*frequency = freq.frequency * channel->freq_multiplicator;
freq_failed:
{
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get current tuner frequency for device %s."),
+ (_("Failed to get current tuner frequency for device '%s'."),
v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
gst_v4l2_set_frequency (GstV4l2Object * v4l2object,
gint tunernum, gulong frequency)
{
- struct v4l2_frequency freq;
+ struct v4l2_frequency freq = { 0, };
+
GstTunerChannel *channel;
GST_DEBUG_OBJECT (v4l2object->element,
freq.tuner = tunernum;
/* fill in type - ignore error */
- ioctl (v4l2object->video_fd, VIDIOC_G_FREQUENCY, &freq);
+ v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_FREQUENCY, &freq);
freq.frequency = frequency / channel->freq_multiplicator;
- if (ioctl (v4l2object->video_fd, VIDIOC_S_FREQUENCY, &freq) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_S_FREQUENCY, &freq) < 0)
goto freq_failed;
return TRUE;
freq_failed:
{
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to set current tuner frequency for device %s to %lu."),
+ (_("Failed to set current tuner frequency for device '%s' to %lu Hz."),
v4l2object->videodev, frequency), GST_ERROR_SYSTEM);
return FALSE;
}
gst_v4l2_signal_strength (GstV4l2Object * v4l2object,
gint tunernum, gulong * signal_strength)
{
- struct v4l2_tuner tuner;
+ struct v4l2_tuner tuner = { 0, };
GST_DEBUG_OBJECT (v4l2object->element, "trying to get signal strength");
return FALSE;
tuner.index = tunernum;
- if (ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &tuner) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &tuner) < 0)
goto tuner_failed;
*signal_strength = tuner.signal;
tuner_failed:
{
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get signal strength for device %s."),
+ (_("Failed to get signal strength for device '%s'."),
v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
gst_v4l2_get_attribute (GstV4l2Object * v4l2object,
int attribute_num, int *value)
{
- struct v4l2_control control;
+ struct v4l2_control control = { 0, };
GST_DEBUG_OBJECT (v4l2object->element, "getting value of attribute %d",
attribute_num);
control.id = attribute_num;
- if (ioctl (v4l2object->video_fd, VIDIOC_G_CTRL, &control) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_CTRL, &control) < 0)
goto ctrl_failed;
*value = control.value;
ctrl_failed:
{
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get value for control %d on device %s."),
+ (_("Failed to get value for control %d on device '%s'."),
attribute_num, v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
gst_v4l2_set_attribute (GstV4l2Object * v4l2object,
int attribute_num, const int value)
{
- struct v4l2_control control;
+ struct v4l2_control control = { 0, };
GST_DEBUG_OBJECT (v4l2object->element, "setting value of attribute %d to %d",
attribute_num, value);
control.id = attribute_num;
control.value = value;
- if (ioctl (v4l2object->video_fd, VIDIOC_S_CTRL, &control) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_S_CTRL, &control) < 0)
goto ctrl_failed;
return TRUE;
ctrl_failed:
{
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to set value %d for control %d on device %s."),
+ (_("Failed to set value %d for control %d on device '%s'."),
value, attribute_num, v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
if (!GST_V4L2_IS_OPEN (v4l2object))
return FALSE;
- if (ioctl (v4l2object->video_fd, VIDIOC_G_INPUT, &n) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_INPUT, &n) < 0)
goto input_failed;
*input = n;
+ GST_DEBUG_OBJECT (v4l2object->element, "input: %d", n);
+
return TRUE;
/* ERRORS */
input_failed:
- {
+ if (v4l2object->vcap.capabilities & V4L2_CAP_TUNER) {
+ /* only give a warning message if driver actually claims to have tuner
+ * support
+ */
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get current input on device %s."),
- v4l2object->videodev), GST_ERROR_SYSTEM);
- return FALSE;
+ (_("Failed to get current input on device '%s'. May be it is a radio device"), v4l2object->videodev), GST_ERROR_SYSTEM);
}
+ return FALSE;
}
gboolean
if (!GST_V4L2_IS_OPEN (v4l2object))
return FALSE;
- if (ioctl (v4l2object->video_fd, VIDIOC_S_INPUT, &input) < 0)
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_S_INPUT, &input) < 0)
goto input_failed;
return TRUE;
/* ERRORS */
input_failed:
- {
+ if (v4l2object->vcap.capabilities & V4L2_CAP_TUNER) {
+ /* only give a warning message if driver actually claims to have tuner
+ * support
+ */
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
(_("Failed to set input %d on device %s."),
input, v4l2object->videodev), GST_ERROR_SYSTEM);
+ }
+ return FALSE;
+}
+
+gboolean
+gst_v4l2_get_output (GstV4l2Object * v4l2object, gint * output)
+{
+ gint n;
+
+ GST_DEBUG_OBJECT (v4l2object->element, "trying to get output");
+
+ if (!GST_V4L2_IS_OPEN (v4l2object))
+ return FALSE;
+
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_OUTPUT, &n) < 0)
+ goto output_failed;
+
+ *output = n;
+
+ GST_DEBUG_OBJECT (v4l2object->element, "output: %d", n);
+
+ return TRUE;
+
+ /* ERRORS */
+output_failed:
+ if (v4l2object->vcap.capabilities & V4L2_CAP_TUNER) {
+ /* only give a warning message if driver actually claims to have tuner
+ * support
+ */
+ GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
+ (_("Failed to get current output on device '%s'. May be it is a radio device"), v4l2object->videodev), GST_ERROR_SYSTEM);
+ }
+ return FALSE;
+}
+
+gboolean
+gst_v4l2_set_output (GstV4l2Object * v4l2object, gint output)
+{
+ GST_DEBUG_OBJECT (v4l2object->element, "trying to set output to %d", output);
+
+ if (!GST_V4L2_IS_OPEN (v4l2object))
return FALSE;
+
+ if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_S_OUTPUT, &output) < 0)
+ goto output_failed;
+
+ return TRUE;
+
+ /* ERRORS */
+output_failed:
+ if (v4l2object->vcap.capabilities & V4L2_CAP_TUNER) {
+ /* only give a warning message if driver actually claims to have tuner
+ * support
+ */
+ GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
+ (_("Failed to set output %d on device %s."),
+ output, v4l2object->videodev), GST_ERROR_SYSTEM);
}
+ return FALSE;
}
projects / platform / upstream / gst-plugins-good.git / blobdiff