/* GStreamer
*
* Copyright (C) 2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
- * 2006 Edgard Lima <edgard.lima@indt.org.br>
+ * 2006 Edgard Lima <edgard.lima@gmail.com>
*
* v4l2_calls.c - generic V4L2 calls handling
*
#include <string.h>
#include <errno.h>
#include <unistd.h>
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+#include <glob.h>
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
#ifdef __sun
/* Needed on older Solaris Nevada builds (72 at least) */
#include <stropts.h>
#include "gst/gst-i18n-plugin.h"
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+enum {
+ V4L2_OPEN_ERROR = 0,
+ V4L2_OPEN_ERROR_STAT_FAILED,
+ V4L2_OPEN_ERROR_NO_DEVICE,
+ V4L2_OPEN_ERROR_NOT_OPEN,
+ V4L2_OPEN_ERROR_NOT_CAPTURE,
+ V4L2_OPEN_ERROR_NOT_OUTPUT
+};
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
+
GST_DEBUG_CATEGORY_EXTERN (v4l2_debug);
#define GST_CAT_DEFAULT v4l2_debug
if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_QUERYCAP, &v4l2object->vcap) < 0)
goto cap_failed;
+ if (v4l2object->vcap.capabilities & V4L2_CAP_DEVICE_CAPS)
+ v4l2object->device_caps = v4l2object->vcap.device_caps;
+ else
+ v4l2object->device_caps = v4l2object->vcap.capabilities;
+
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);
+ GST_LOG_OBJECT (e, "capabilites: %08x", v4l2object->device_caps);
return TRUE;
if (n < V4L2_CID_PRIVATE_BASE) {
GST_DEBUG_OBJECT (e, "skipping control %08x", n);
/* continue so that we also check private controls */
+ n = V4L2_CID_PRIVATE_BASE - 1;
continue;
} else {
GST_DEBUG_OBJECT (e, "controls finished");
/* FIXME: We should implement GstMixer interface instead */
/* but let's not be pedantic and make element more useful for now */
break;
+ case V4L2_CID_ALPHA_COMPONENT:
+ v4l2object->has_alpha_component = TRUE;
+ break;
default:
GST_DEBUG_OBJECT (e,
"ControlID %s (%x) unhandled, FIXME", control.name, n);
* in a contiguous manner. In this case the first v4l2 plane
* contains all the gst planes.
*/
-#define CHECK_CAPS (V4L2_CAP_VIDEO_OUTPUT_MPLANE | V4L2_CAP_VIDEO_M2M_MPLANE)
switch (v4l2object->type) {
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
- if (v4l2object->vcap.capabilities & CHECK_CAPS) {
+ if (v4l2object->device_caps &
+ (V4L2_CAP_VIDEO_OUTPUT_MPLANE | V4L2_CAP_VIDEO_M2M_MPLANE)) {
GST_DEBUG ("adjust type to multi-planar output");
v4l2object->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
}
break;
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (v4l2object->vcap.capabilities & CHECK_CAPS) {
+ if (v4l2object->device_caps &
+ (V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_M2M_MPLANE)) {
GST_DEBUG ("adjust type to multi-planar capture");
v4l2object->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
}
default:
break;
}
-#undef CHECK_CAPS
}
/******************************************************
{
struct stat st;
int libv4l2_fd;
- GstPollFD pollfd = GST_POLL_FD_INIT;
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ int error_type = V4L2_OPEN_ERROR_STAT_FAILED;
+ int device_index = 0;
+ glob_t glob_buf;
+
+ memset(&glob_buf, 0x0, sizeof(glob_t));
+
+ if (!v4l2object) {
+ GST_ERROR("v4l2object is NULL");
+ return FALSE;
+ }
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
GST_DEBUG_OBJECT (v4l2object->element, "Trying to open device %s",
v4l2object->videodev);
if (!v4l2object->videodev)
v4l2object->videodev = g_strdup ("/dev/video");
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ if (!v4l2object->videodev) {
+ GST_ERROR_OBJECT(v4l2object->element, "videodev is NULL");
+ return FALSE;
+ }
+
+CHECK_AGAIN:
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
/* check if it is a device */
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ if (stat (v4l2object->videodev, &st) == -1) {
+ error_type = V4L2_OPEN_ERROR_STAT_FAILED;
+ goto pre_error_check;
+ }
+#else /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
if (stat (v4l2object->videodev, &st) == -1)
goto stat_failed;
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ if (!S_ISCHR (st.st_mode)) {
+ error_type = V4L2_OPEN_ERROR_NO_DEVICE;
+ goto pre_error_check;
+ }
+#else /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
if (!S_ISCHR (st.st_mode))
goto no_device;
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
/* open the device */
v4l2object->video_fd =
open (v4l2object->videodev, O_RDWR /* | O_NONBLOCK */ );
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ if (!GST_V4L2_IS_OPEN (v4l2object)) {
+ error_type = V4L2_OPEN_ERROR_NOT_OPEN;
+ goto pre_error_check;
+ }
+#else /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
if (!GST_V4L2_IS_OPEN (v4l2object))
goto not_open;
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
libv4l2_fd = v4l2_fd_open (v4l2object->video_fd,
V4L2_ENABLE_ENUM_FMT_EMULATION);
if (libv4l2_fd != -1)
v4l2object->video_fd = libv4l2_fd;
- v4l2object->can_poll_device = TRUE;
-
/* get capabilities, error will be posted */
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ if (!gst_v4l2_get_capabilities (v4l2object)) {
+ error_type = V4L2_OPEN_ERROR;
+ goto pre_error_check;
+ }
+#else /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
if (!gst_v4l2_get_capabilities (v4l2object))
goto error;
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
/* do we need to be a capture device? */
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ GST_INFO_OBJECT(v4l2object->element, "device_caps 0x%x", v4l2object->device_caps);
+ if (GST_IS_V4L2SRC (v4l2object->element) &&
+ (!(v4l2object->device_caps & (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_CAPTURE_MPLANE)) ||
+ (v4l2object->device_caps & (V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OUTPUT_MPLANE)))) {
+ error_type = V4L2_OPEN_ERROR_NOT_CAPTURE;
+ goto pre_error_check;
+ }
+#else /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
if (GST_IS_V4L2SRC (v4l2object->element) &&
- !(v4l2object->vcap.capabilities & (V4L2_CAP_VIDEO_CAPTURE |
+ !(v4l2object->device_caps & (V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_VIDEO_CAPTURE_MPLANE)))
goto not_capture;
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
if (GST_IS_V4L2SINK (v4l2object->element) &&
- !(v4l2object->vcap.capabilities & (V4L2_CAP_VIDEO_OUTPUT |
+ !(v4l2object->device_caps & (V4L2_CAP_VIDEO_OUTPUT |
+ V4L2_CAP_VIDEO_OUTPUT_MPLANE))) {
+ error_type = V4L2_OPEN_ERROR_NOT_OUTPUT;
+ goto pre_error_check;
+ }
+#else /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
+ if (GST_IS_V4L2SINK (v4l2object->element) &&
+ !(v4l2object->device_caps & (V4L2_CAP_VIDEO_OUTPUT |
V4L2_CAP_VIDEO_OUTPUT_MPLANE)))
goto not_output;
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
if (GST_IS_V4L2_VIDEO_DEC (v4l2object->element) &&
/* Today's M2M device only expose M2M */
- !((v4l2object->vcap.capabilities & (V4L2_CAP_VIDEO_M2M |
+ !((v4l2object->device_caps & (V4L2_CAP_VIDEO_M2M |
V4L2_CAP_VIDEO_M2M_MPLANE)) ||
/* But legacy driver may expose both CAPTURE and OUTPUT */
- ((v4l2object->vcap.capabilities &
+ ((v4l2object->device_caps &
(V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_CAPTURE_MPLANE)) &&
- (v4l2object->vcap.capabilities &
+ (v4l2object->device_caps &
(V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OUTPUT_MPLANE)))))
goto not_m2m;
gst_v4l2_adjust_buf_type (v4l2object);
/* create enumerations, posts errors. */
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ if (!gst_v4l2_fill_lists (v4l2object)) {
+ error_type = V4L2_OPEN_ERROR;
+ goto pre_error_check;
+ }
+#else /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
if (!gst_v4l2_fill_lists (v4l2object))
goto error;
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
GST_INFO_OBJECT (v4l2object->element,
"Opened device '%s' (%s) successfully",
v4l2object->vcap.card, v4l2object->videodev);
- pollfd.fd = v4l2object->video_fd;
- gst_poll_add_fd (v4l2object->poll, &pollfd);
- if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE
- || v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
- gst_poll_fd_ctl_read (v4l2object->poll, &pollfd, TRUE);
- else
- gst_poll_fd_ctl_write (v4l2object->poll, &pollfd, TRUE);
-
if (v4l2object->extra_controls)
gst_v4l2_set_controls (v4l2object, v4l2object->extra_controls);
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ globfree(&glob_buf);
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
+
/* UVC devices are never interlaced, and doing VIDIOC_TRY_FMT on them
* causes expensive and slow USB IO, so don't probe them for interlaced
*/
return TRUE;
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+pre_error_check:
+ {
+ if (GST_IS_V4L2SRC(v4l2object->element) && glob_buf.gl_pathc == 0) {
+ if (glob("/dev/video*", 0, 0, &glob_buf) != 0) {
+ GST_WARNING_OBJECT(v4l2object->element, "glob failed");
+ }
+ }
+
+ if (glob_buf.gl_pathc > 0 && device_index < glob_buf.gl_pathc) {
+ if (v4l2object->videodev) {
+ g_free(v4l2object->videodev);
+ v4l2object->videodev = NULL;
+ }
+ v4l2object->videodev = g_strdup(glob_buf.gl_pathv[device_index]);
+ if (v4l2object->videodev) {
+ device_index++;
+ GST_INFO_OBJECT(v4l2object->element, "check device [%s]",
+ v4l2object->videodev);
+
+ if (GST_V4L2_IS_OPEN (v4l2object)) {
+ /* close device */
+ v4l2_close (v4l2object->video_fd);
+ v4l2object->video_fd = -1;
+ }
+ /* empty lists */
+ gst_v4l2_empty_lists (v4l2object);
+
+ goto CHECK_AGAIN;
+ } else {
+ GST_WARNING_OBJECT(v4l2object->element, "g_strdup failed [%s]",
+ glob_buf.gl_pathv[device_index]);
+ }
+ }
+
+ GST_WARNING_OBJECT(v4l2object->element, "error type : %d", error_type);
+
+ switch (error_type) {
+ case V4L2_OPEN_ERROR_STAT_FAILED:
+ goto stat_failed;
+ case V4L2_OPEN_ERROR_NO_DEVICE:
+ goto no_device;
+ case V4L2_OPEN_ERROR_NOT_OPEN:
+ goto not_open;
+ case V4L2_OPEN_ERROR_NOT_CAPTURE:
+ goto not_capture;
+ case V4L2_OPEN_ERROR_NOT_OUTPUT:
+ goto not_output;
+ default:
+ goto error;
+ }
+ }
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
+
/* ERRORS */
stat_failed:
{
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, NOT_FOUND,
(_("Device '%s' is not a capture device."),
v4l2object->videodev),
- ("Capabilities: 0x%x", v4l2object->vcap.capabilities));
+ ("Capabilities: 0x%x", v4l2object->device_caps));
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));
+ ("Capabilities: 0x%x", v4l2object->device_caps));
goto error;
}
not_m2m:
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, NOT_FOUND,
(_("Device '%s' is not a M2M device."),
v4l2object->videodev),
- ("Capabilities: 0x%x", v4l2object->vcap.capabilities));
+ ("Capabilities: 0x%x", v4l2object->device_caps));
goto error;
}
error:
/* empty lists */
gst_v4l2_empty_lists (v4l2object);
+#ifdef TIZEN_FEATURE_V4L2SRC_MODIFICATION
+ globfree(&glob_buf);
+#endif /* TIZEN_FEATURE_V4L2SRC_MODIFICATION */
+
return FALSE;
}
}
gboolean
gst_v4l2_dup (GstV4l2Object * v4l2object, GstV4l2Object * other)
{
- GstPollFD pollfd = GST_POLL_FD_INIT;
-
GST_DEBUG_OBJECT (v4l2object->element, "Trying to dup device %s",
other->videodev);
GST_V4L2_CHECK_NOT_ACTIVE (v4l2object);
v4l2object->vcap = other->vcap;
+ v4l2object->device_caps = other->device_caps;
gst_v4l2_adjust_buf_type (v4l2object);
v4l2object->video_fd = v4l2_dup (other->video_fd);
"Cloned device '%s' (%s) successfully",
v4l2object->vcap.card, v4l2object->videodev);
- pollfd.fd = v4l2object->video_fd;
- gst_poll_add_fd (v4l2object->poll, &pollfd);
- if (v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE
- || v4l2object->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
- gst_poll_fd_ctl_read (v4l2object->poll, &pollfd, TRUE);
- else
- gst_poll_fd_ctl_write (v4l2object->poll, &pollfd, TRUE);
-
v4l2object->never_interlaced = other->never_interlaced;
- v4l2object->can_poll_device = TRUE;
return TRUE;
gboolean
gst_v4l2_close (GstV4l2Object * v4l2object)
{
- GstPollFD pollfd = GST_POLL_FD_INIT;
GST_DEBUG_OBJECT (v4l2object->element, "Trying to close %s",
v4l2object->videodev);
/* close device */
v4l2_close (v4l2object->video_fd);
- pollfd.fd = v4l2object->video_fd;
- gst_poll_remove_fd (v4l2object->poll, &pollfd);
v4l2object->video_fd = -1;
/* empty lists */
freq.tuner = tunernum;
/* fill in type - ignore error */
- v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_FREQUENCY, &freq);
+ (void) v4l2_ioctl (v4l2object->video_fd, VIDIOC_G_FREQUENCY, &freq);
freq.frequency = frequency / channel->freq_multiplicator;
if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_S_FREQUENCY, &freq) < 0)
/* ERRORS */
ctrl_failed:
{
- GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to get value for control %d on device '%s'."),
- attribute_num, v4l2object->videodev), GST_ERROR_SYSTEM);
+ GST_WARNING_OBJECT (v4l2object,
+ _("Failed to get value for control %d on device '%s'."),
+ attribute_num, v4l2object->videodev);
return FALSE;
}
}
/* ERRORS */
ctrl_failed:
{
- GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
- (_("Failed to set value %d for control %d on device '%s'."),
- value, attribute_num, v4l2object->videodev), GST_ERROR_SYSTEM);
+ GST_WARNING_OBJECT (v4l2object,
+ _("Failed to set value %d for control %d on device '%s'."),
+ value, attribute_num, v4l2object->videodev);
return FALSE;
}
}
/* ERRORS */
input_failed:
- if (v4l2object->vcap.capabilities & V4L2_CAP_TUNER) {
+ if (v4l2object->device_caps & V4L2_CAP_TUNER) {
/* only give a warning message if driver actually claims to have tuner
* support
*/
/* ERRORS */
input_failed:
- if (v4l2object->vcap.capabilities & V4L2_CAP_TUNER) {
+ if (v4l2object->device_caps & V4L2_CAP_TUNER) {
/* only give a warning message if driver actually claims to have tuner
* support
*/
/* ERRORS */
output_failed:
- if (v4l2object->vcap.capabilities & V4L2_CAP_TUNER) {
+ if (v4l2object->device_caps & V4L2_CAP_TUNER) {
/* only give a warning message if driver actually claims to have tuner
* support
*/
/* ERRORS */
output_failed:
- if (v4l2object->vcap.capabilities & V4L2_CAP_TUNER) {
+ if (v4l2object->device_caps & V4L2_CAP_TUNER) {
/* only give a warning message if driver actually claims to have tuner
* support
*/