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Some cleanups and comments.

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Original commit message from CVS:
Some cleanups and comments.
This commit is contained in:
Edgard Lima 2006-09-27 15:14:07 +00:00
parent 2b1e939991
commit 0b0c7f16f8
8 changed files with 143 additions and 223 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2006-09-27 Edgard Lima <edgard.lima@indt.org.br>
* sys/v4l2/gstv4l2colorbalance.c:
* sys/v4l2/gstv4l2object.c:
* sys/v4l2/gstv4l2src.c:
* sys/v4l2/gstv4l2src.h:
* sys/v4l2/gstv4l2tuner.c:
* sys/v4l2/v4l2_calls.c:
* sys/v4l2/v4l2src_calls.c:
* tests/icles/v4l2src-test.c:
Some cleanups and comments.
2006-09-26 Wim Taymans <wim@fluendo.com> 2006-09-26 Wim Taymans <wim@fluendo.com>
* docs/plugins/Makefile.am: * docs/plugins/Makefile.am:

16
sys/v4l2/gstv4l2object.c
View file

@ -398,11 +398,9 @@ gst_v4l2_object_get_property_helper (GstV4l2Object * v4l2object,
flags |= v4l2object->vcap.capabilities & flags |= v4l2object->vcap.capabilities &
(V4L2_CAP_VIDEO_CAPTURE | (V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_VIDEO_OUTPUT |
V4L2_CAP_VIDEO_OVERLAY | V4L2_CAP_TUNER | V4L2_CAP_AUDIO); V4L2_CAP_VIDEO_OVERLAY |
/* FIXME. if there is something with AUDIO we add something with V4L2_CAP_VBI_CAPTURE |
* video? this needs some explanation.. */ V4L2_CAP_VBI_OUTPUT | V4L2_CAP_TUNER | V4L2_CAP_AUDIO);
if (v4l2object->vcap.capabilities & V4L2_CAP_AUDIO)
flags |= V4L2_FBUF_CAP_CHROMAKEY;
} }
g_value_set_flags (value, flags); g_value_set_flags (value, flags);
break; break;
@ -438,7 +436,9 @@ gst_v4l2_set_defaults (GstV4l2Object * v4l2object)
norm = norm =
GST_TUNER_NORM (gst_tuner_get_norm (GST_TUNER (v4l2object->element))); GST_TUNER_NORM (gst_tuner_get_norm (GST_TUNER (v4l2object->element)));
if (norm) { if (norm) {
/* FIXME, free old? */ if (v4l2object->std) {
g_free (v4l2object->std);
}
v4l2object->std = g_strdup (norm->label); v4l2object->std = g_strdup (norm->label);
gst_tuner_norm_changed (tuner, norm); gst_tuner_norm_changed (tuner, norm);
g_object_notify (G_OBJECT (v4l2object->element), "std"); g_object_notify (G_OBJECT (v4l2object->element), "std");
@ -453,7 +453,9 @@ gst_v4l2_set_defaults (GstV4l2Object * v4l2object)
channel = channel =
GST_TUNER_CHANNEL (gst_tuner_get_channel (GST_TUNER (v4l2object-> GST_TUNER_CHANNEL (gst_tuner_get_channel (GST_TUNER (v4l2object->
element))); element)));
/* FIXME, free old? */ if (v4l2object->input) {
g_free (v4l2object->input);
}
v4l2object->input = g_strdup (channel->label); v4l2object->input = g_strdup (channel->label);
gst_tuner_channel_changed (tuner, channel); gst_tuner_channel_changed (tuner, channel);
g_object_notify (G_OBJECT (v4l2object->element), "input"); g_object_notify (G_OBJECT (v4l2object->element), "input");

65
sys/v4l2/gstv4l2src.c
View file

@ -35,7 +35,7 @@
* </para> * </para>
* <para> * <para>
* <programlisting> * <programlisting>
* gst-launch v4l2src use-fixed-fps=true ! xvimagesink * gst-launch v4l2src use-undef-fps=true ! xvimagesink
* </programlisting> * </programlisting>
* This example should be used to capture from web-cams * This example should be used to capture from web-cams
* </para> * </para>
@ -67,13 +67,13 @@ GST_ELEMENT_DETAILS ("Video (video4linux2/raw) Source",
GST_DEBUG_CATEGORY (v4l2src_debug); GST_DEBUG_CATEGORY (v4l2src_debug);
#define GST_CAT_DEFAULT v4l2src_debug #define GST_CAT_DEFAULT v4l2src_debug
#define DEFAULT_PROP_USE_FIXED_FPS TRUE #define DEFAULT_PROP_USE_UNDEF_FPS FALSE
enum enum
{ {
PROP_0, PROP_0,
V4L2_STD_OBJECT_PROPS, V4L2_STD_OBJECT_PROPS,
PROP_USE_FIXED_FPS PROP_USE_UNDEF_FPS
}; };
static const guint32 gst_v4l2_formats[] = { static const guint32 gst_v4l2_formats[] = {
@ -284,11 +284,12 @@ gst_v4l2src_class_init (GstV4l2SrcClass * klass)
gst_v4l2_object_install_properties_helper (gobject_class); gst_v4l2_object_install_properties_helper (gobject_class);
g_object_class_install_property g_object_class_install_property
(gobject_class, PROP_USE_FIXED_FPS, (gobject_class, PROP_USE_UNDEF_FPS,
g_param_spec_boolean ("use-fixed-fps", "Use Fixed FPS", g_param_spec_boolean ("use-undef-fps", "Use undefined FPS",
"Drop/Insert frames to reach a certain FPS (TRUE) " "For some devices that can't properly report its fps "
"or adapt FPS to suit the number of frabbed frames", "set this property to TRUE. The 'caps' will have its "
DEFAULT_PROP_USE_FIXED_FPS, G_PARAM_READWRITE)); "'framerate' set to '0/1'.",
DEFAULT_PROP_USE_UNDEF_FPS, G_PARAM_READWRITE));
basesrc_class->get_caps = gst_v4l2src_get_caps; basesrc_class->get_caps = gst_v4l2src_get_caps;
basesrc_class->set_caps = gst_v4l2src_set_caps; basesrc_class->set_caps = gst_v4l2src_set_caps;
@ -311,7 +312,7 @@ gst_v4l2src_init (GstV4l2Src * v4l2src, GstV4l2SrcClass * klass)
/* fps */ /* fps */
v4l2src->fps_n = 0; v4l2src->fps_n = 0;
v4l2src->fps_d = 1; v4l2src->fps_d = 1;
v4l2src->use_fixed_fps = DEFAULT_PROP_USE_FIXED_FPS; v4l2src->use_undef_fps = DEFAULT_PROP_USE_UNDEF_FPS;
v4l2src->is_capturing = FALSE; v4l2src->is_capturing = FALSE;
@ -348,9 +349,9 @@ gst_v4l2src_set_property (GObject * object,
if (!gst_v4l2_object_set_property_helper (v4l2src->v4l2object, if (!gst_v4l2_object_set_property_helper (v4l2src->v4l2object,
prop_id, value, pspec)) { prop_id, value, pspec)) {
switch (prop_id) { switch (prop_id) {
case PROP_USE_FIXED_FPS: case PROP_USE_UNDEF_FPS:
if (!GST_V4L2_IS_ACTIVE (v4l2src->v4l2object)) { if (!GST_V4L2_IS_ACTIVE (v4l2src->v4l2object)) {
v4l2src->use_fixed_fps = g_value_get_boolean (value); v4l2src->use_undef_fps = g_value_get_boolean (value);
} }
break; break;
default: default:
@ -373,8 +374,8 @@ gst_v4l2src_get_property (GObject * object,
if (!gst_v4l2_object_get_property_helper (v4l2src->v4l2object, if (!gst_v4l2_object_get_property_helper (v4l2src->v4l2object,
prop_id, value, pspec)) { prop_id, value, pspec)) {
switch (prop_id) { switch (prop_id) {
case PROP_USE_FIXED_FPS: case PROP_USE_UNDEF_FPS:
g_value_set_boolean (value, v4l2src->use_fixed_fps); g_value_set_boolean (value, v4l2src->use_undef_fps);
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -402,8 +403,12 @@ gst_v4l2src_fixate (GstPad * pad, GstCaps * caps)
/* FIXME such sizes? we usually fixate to something in the 320x200 /* FIXME such sizes? we usually fixate to something in the 320x200
* range... */ * range... */
gst_structure_fixate_field_nearest_int (structure, "width", 4096); /* We are fixating to greater possble size (limited to GST_V4L2_MAX_SIZE)
gst_structure_fixate_field_nearest_int (structure, "height", 4096); and framarate closer to 15/2 that is common in web-cams */
gst_structure_fixate_field_nearest_int (structure, "width",
GST_V4L2_MAX_SIZE);
gst_structure_fixate_field_nearest_int (structure, "height",
GST_V4L2_MAX_SIZE);
gst_structure_fixate_field_nearest_fraction (structure, "framerate", 15, 2); gst_structure_fixate_field_nearest_fraction (structure, "framerate", 15, 2);
v = gst_structure_get_value (structure, "format"); v = gst_structure_get_value (structure, "format");
@ -697,8 +702,8 @@ gst_v4l2src_get_all_caps (void)
structure = gst_v4l2src_v4l2fourcc_to_caps (gst_v4l2_formats[i]); structure = gst_v4l2src_v4l2fourcc_to_caps (gst_v4l2_formats[i]);
if (structure) { if (structure) {
gst_structure_set (structure, gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, 4096, "width", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
"height", GST_TYPE_INT_RANGE, 1, 4096, "height", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
"framerate", GST_TYPE_FRACTION_RANGE, 1, 1, 100, 1, NULL); "framerate", GST_TYPE_FRACTION_RANGE, 1, 1, 100, 1, NULL);
gst_caps_append_structure (caps, structure); gst_caps_append_structure (caps, structure);
} }
@ -745,11 +750,12 @@ gst_v4l2src_get_caps (GstBaseSrc * src)
&min_w, &max_w, &min_h, &max_h)) { &min_w, &max_w, &min_h, &max_h)) {
continue; continue;
} }
/* template, FIXME, why limit if the device reported correct results. */ /* template, FIXME, why limit if the device reported correct results? */
min_w = CLAMP (min_w, 1, 4096); /* we are doing it right now to avoid unexpected results */
min_h = CLAMP (min_h, 1, 4096); min_w = CLAMP (min_w, 1, GST_V4L2_MAX_SIZE);
max_w = CLAMP (max_w, min_w, 4096); min_h = CLAMP (min_h, 1, GST_V4L2_MAX_SIZE);
max_h = CLAMP (max_h, min_h, 4096); max_w = CLAMP (max_w, min_w, GST_V4L2_MAX_SIZE);
max_h = CLAMP (max_h, min_h, GST_V4L2_MAX_SIZE);
/* add to list */ /* add to list */
structure = gst_v4l2src_v4l2fourcc_to_caps (format->pixelformat); structure = gst_v4l2src_v4l2fourcc_to_caps (format->pixelformat);
@ -760,6 +766,13 @@ gst_v4l2src_get_caps (GstBaseSrc * src)
"height", GST_TYPE_INT_RANGE, min_h, max_h, NULL); "height", GST_TYPE_INT_RANGE, min_h, max_h, NULL);
/* FIXME, why random range? */ /* FIXME, why random range? */
/* AFAIK: in v4l2 standard we still don't have a good way to enum
for a range. Currently it is on discussion on v4l2 forum.
Currently, something more smart could be done for tvcard devices.
The maximum value could be determined by 'v4l2_standard.frameperiod'
and minimum also to the same if V4L2_CAP_TIMEPERFRAME is not set. */
/* another approach for web-cams would be to try to set a very
high(100/1) and low(1/1) FPSs and get the values returned */
gst_structure_set (structure, "framerate", GST_TYPE_FRACTION_RANGE, gst_structure_set (structure, "framerate", GST_TYPE_FRACTION_RANGE,
1, 1, 100, 1, NULL); 1, 1, 100, 1, NULL);
@ -794,7 +807,7 @@ gst_v4l2src_set_caps (GstBaseSrc * src, GstCaps * caps)
return FALSE; return FALSE;
} }
/* it's fixed, one struct */ /* it's undef, one struct */
structure = gst_caps_get_structure (caps, 0); structure = gst_caps_get_structure (caps, 0);
/* we want our own v4l2 type of fourcc codes */ /* we want our own v4l2 type of fourcc codes */
@ -991,7 +1004,7 @@ gst_v4l2src_create (GstPushSrc * src, GstBuffer ** buf)
GstV4l2Src *v4l2src = GST_V4L2SRC (src); GstV4l2Src *v4l2src = GST_V4L2SRC (src);
GstFlowReturn ret; GstFlowReturn ret;
if (v4l2src->use_fixed_fps && v4l2src->fps_n == 0) if ((!v4l2src->use_undef_fps) && v4l2src->fps_n == 0)
goto no_framerate; goto no_framerate;
if (v4l2src->breq.memory == V4L2_MEMORY_MMAP) { if (v4l2src->breq.memory == V4L2_MEMORY_MMAP) {
@ -1005,8 +1018,8 @@ gst_v4l2src_create (GstPushSrc * src, GstBuffer ** buf)
no_framerate: no_framerate:
{ {
GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS, GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
(_("could not get frame rate for %s, try to set use-fixed-fps " (_("could not get frame rate for %s, try to set use-undef-fps "
"property to false"), v4l2src->v4l2object->videodev), (NULL)); "property to true"), v4l2src->v4l2object->videodev), (NULL));
return GST_FLOW_ERROR; return GST_FLOW_ERROR;
} }
} }

3
sys/v4l2/gstv4l2src.h
View file

@ -30,6 +30,7 @@ GST_DEBUG_CATEGORY_EXTERN (v4l2src_debug);
#define GST_V4L2_MAX_BUFFERS 16 #define GST_V4L2_MAX_BUFFERS 16
#define GST_V4L2_MIN_BUFFERS 2 #define GST_V4L2_MIN_BUFFERS 2
#define GST_V4L2_MAX_SIZE (1<<15) /* 2^15 == 32768 */
G_BEGIN_DECLS G_BEGIN_DECLS
@ -100,7 +101,7 @@ struct _GstV4l2Src
/* how are we going to push buffers? */ /* how are we going to push buffers? */
guint fps_n, fps_d; guint fps_n, fps_d;
gboolean use_fixed_fps; gboolean use_undef_fps;
}; };
struct _GstV4l2SrcClass struct _GstV4l2SrcClass

10
sys/v4l2/gstv4l2tuner.c
View file

@ -122,16 +122,6 @@ gst_v4l2_tuner_norm_init (GstV4l2TunerNorm * norm)
norm->index = 0; norm->index = 0;
} }
#if 0 /* output not handled by now */
static gboolean
gst_v4l2_tuner_is_sink (GstV4l2Object * v4l2object)
{
GstPadDirection dir = GST_PAD_UNKNOWN;
return (dir == GST_PAD_SINK);
}
#endif /* #if 0 - output not handled by now */
static G_GNUC_UNUSED gboolean static G_GNUC_UNUSED gboolean
gst_v4l2_tuner_contains_channel (GstV4l2Object * v4l2object, gst_v4l2_tuner_contains_channel (GstV4l2Object * v4l2object,
GstV4l2TunerChannel * v4l2channel) GstV4l2TunerChannel * v4l2channel)

220
sys/v4l2/v4l2_calls.c
View file

@ -83,113 +83,64 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
{ {
gint n; gint n;
#if 0 /* output not handled by now */
GstPadDirection dir = GST_PAD_UNKNOWN;
#endif /* #if 0 - output not handled by now */
GST_DEBUG_OBJECT (v4l2object->element, "getting enumerations"); GST_DEBUG_OBJECT (v4l2object->element, "getting enumerations");
GST_V4L2_CHECK_OPEN (v4l2object); GST_V4L2_CHECK_OPEN (v4l2object);
#if 0 /* output not handled by now */ GST_DEBUG_OBJECT (v4l2object->element, " inputs");
if (dir != GST_PAD_SINK) { /* and now, the inputs */
#endif /* #if 0 - output not handled by now */ for (n = 0;; n++) {
struct v4l2_input input;
GstV4l2TunerChannel *v4l2channel;
GstTunerChannel *channel;
GST_DEBUG_OBJECT (v4l2object->element, " inputs"); input.index = n;
/* and now, the inputs */ if (ioctl (v4l2object->video_fd, VIDIOC_ENUMINPUT, &input) < 0) {
for (n = 0;; n++) { if (errno == EINVAL)
struct v4l2_input input; break; /* end of enumeration */
GstV4l2TunerChannel *v4l2channel; else {
GstTunerChannel *channel; GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
("Failed to get %d in input enumeration for %s",
input.index = n; n, v4l2object->videodev), GST_ERROR_SYSTEM);
if (ioctl (v4l2object->video_fd, VIDIOC_ENUMINPUT, &input) < 0) { return FALSE;
if (errno == EINVAL)
break; /* end of enumeration */
else {
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
("Failed to get %d in input enumeration for %s",
n, v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
} }
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;
v4l2channel->tuner = input.tuner;
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",
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;
channel->max_frequency = vtun.rangehigh * channel->freq_multiplicator;
channel->min_signal = 0;
channel->max_signal = 0xffff;
}
if (input.audioset) {
/* we take the first. We don't care for
* the others for now */
while (!(input.audioset & (1 << v4l2channel->audio)))
v4l2channel->audio++;
channel->flags |= GST_TUNER_CHANNEL_AUDIO;
}
v4l2object->inputs =
g_list_append (v4l2object->inputs, (gpointer) channel);
} }
#if 0 /* output not handled by now */ v4l2channel = g_object_new (GST_TYPE_V4L2_TUNER_CHANNEL, NULL);
} else { channel = GST_TUNER_CHANNEL (v4l2channel);
/* outputs */ channel->label = g_strdup ((const gchar *) input.name);
for (n = 0;; n++) { channel->flags = GST_TUNER_CHANNEL_INPUT;
struct v4l2_output output; v4l2channel->index = n;
GstV4l2TunerChannel *v4l2channel; if (input.type == V4L2_INPUT_TYPE_TUNER) {
GstTunerChannel *channel; struct v4l2_tuner vtun;
output.index = n; v4l2channel->tuner = input.tuner;
if (ioctl (v4l2object->video_fd, VIDIOC_ENUMOUTPUT, &output) < 0) { channel->flags |= GST_TUNER_CHANNEL_FREQUENCY;
if (errno == EINVAL)
break; /* end of enumeration */ vtun.index = input.tuner;
else { if (ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &vtun) < 0) {
GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS, GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
("Failed to get %d in output enumeration for %s", ("Failed to get tuner %d settings on %s",
n, v4l2object->videodev) input.tuner, v4l2object->videodev), GST_ERROR_SYSTEM);
, GST_ERROR_SYSTEM); g_object_unref (G_OBJECT (channel));
return FALSE; return FALSE;
}
} }
channel->freq_multiplicator =
v4l2channel = g_object_new (GST_TYPE_V4L2_TUNER_CHANNEL, NULL); 62.5 * ((vtun.capability & V4L2_TUNER_CAP_LOW) ? 1 : 1000);
channel = GST_TUNER_CHANNEL (v4l2channel); channel->min_frequency = vtun.rangelow * channel->freq_multiplicator;
channel->label = g_strdup ((const gchar *) output.name); channel->max_frequency = vtun.rangehigh * channel->freq_multiplicator;
channel->flags = GST_TUNER_CHANNEL_OUTPUT; channel->min_signal = 0;
v4l2channel->index = n; channel->max_signal = 0xffff;
if (output.audioset) {
/* we take the first. We don't care for
* the others for now */
while (!(output.audioset & (1 << v4l2channel->audio)))
v4l2channel->audio++;
channel->flags |= GST_TUNER_CHANNEL_AUDIO;
}
v4l2object->inputs =
g_list_append (v4l2object->inputs, (gpointer) channel);
} }
if (input.audioset) {
/* we take the first. We don't care for
* the others for now */
while (!(input.audioset & (1 << v4l2channel->audio)))
v4l2channel->audio++;
channel->flags |= GST_TUNER_CHANNEL_AUDIO;
}
v4l2object->inputs = g_list_append (v4l2object->inputs, (gpointer) channel);
} }
#endif /* #if 0 - output not handled by now */
GST_DEBUG_OBJECT (v4l2object->element, " norms"); GST_DEBUG_OBJECT (v4l2object->element, " norms");
/* norms... */ /* norms... */
@ -231,6 +182,9 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
if (n == V4L2_CID_LASTP1) { if (n == V4L2_CID_LASTP1) {
GST_DEBUG_OBJECT (v4l2object->element, "checking private CIDs"); GST_DEBUG_OBJECT (v4l2object->element, "checking private CIDs");
n = V4L2_CID_PRIVATE_BASE; n = V4L2_CID_PRIVATE_BASE;
/* FIXME: We are still not handling private controls. We need a new GstInterface
to export those controls */
break;
} }
control.id = n; control.id = n;
@ -267,6 +221,21 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
case V4L2_CID_GAIN: case V4L2_CID_GAIN:
/* we only handle these for now (why?) */ /* we only handle these for now (why?) */
break; break;
case V4L2_CID_HFLIP:
case V4L2_CID_VFLIP:
case V4L2_CID_HCENTER:
case V4L2_CID_VCENTER:
/* not handled here, handled by VideoOrientation interface */
control.id++;
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_MUTE:
case V4L2_CID_AUDIO_LOUDNESS:
/* FIXME: We should implement GstMixer interface */
/* fall through */
default: default:
GST_DEBUG_OBJECT (v4l2object->element, GST_DEBUG_OBJECT (v4l2object->element,
"ControlID %s (%x) unhandled, FIXME", control.name, n); "ControlID %s (%x) unhandled, FIXME", control.name, n);
@ -283,7 +252,8 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
channel->label = g_strdup ((const gchar *) control.name); channel->label = g_strdup ((const gchar *) control.name);
v4l2channel->id = n; v4l2channel->id = n;
#if 0 /* FIXME: will be be need just when handling private controls */ #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) { if (control.type == V4L2_CTRL_TYPE_MENU) {
struct v4l2_querymenu menu, *mptr; struct v4l2_querymenu menu, *mptr;
int i; int i;
@ -319,9 +289,11 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
channel->max_value = TRUE; channel->max_value = TRUE;
break; break;
default: default:
/* FIX ME we should find out how to handle V4L2_CTRL_TYPE_BUTTON */ /* 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 (v4l2object->element,
"No range for ControlID %s (%x), type=%d", "Control with non supported type %s (%x), type=%d",
control.name, n, control.type); control.name, n, control.type);
channel->min_value = channel->max_value = 0; channel->min_value = channel->max_value = 0;
break; break;
@ -497,9 +469,8 @@ gst_v4l2_get_norm (GstV4l2Object * v4l2object, v4l2_std_id * norm)
/* ERRORS */ /* ERRORS */
std_failed: std_failed:
{ {
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS, GST_DEBUG ("Failed to get the current norm for device %s",
(_("Failed to get the current norm for device %s"), v4l2object->videodev);
v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE; return FALSE;
} }
} }
@ -765,48 +736,3 @@ input_failed:
return FALSE; return FALSE;
} }
} }
#if 0 /* output not handled by now, Indeed it will be another element */
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 (ioctl (v4l2object->video_fd, VIDIOC_G_OUTPUT, &n) < 0) {
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
(_("Failed to get current output on device %s"),
v4l2object->videodev), GST_ERROR_SYSTEM);
return FALSE;
}
*output = n;
return TRUE;
}
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 (!GST_V4L2_IS_ACTIVE (v4l2object))
return FALSE;
if (ioctl (v4l2object->video_fd, VIDIOC_S_OUTPUT, &output) < 0) {
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
(_("Failed to set current output on device %s to %d"),
v4l2object->videodev, output), GST_ERROR_SYSTEM);
return FALSE;
}
return TRUE;
}
#endif /* #if 0 - output not handled by now , Indeed it will be another element */

28
sys/v4l2/v4l2src_calls.c
View file

@ -604,30 +604,6 @@ gst_v4l2src_buffer_pool_free (GstV4l2BufferPool * pool, gboolean do_close)
g_free (pool); g_free (pool);
} }
#if 0
void
gst_v4l2src_free_buffer (GstBuffer * buffer)
{
GstV4l2Buffer *buf = (GstV4l2Buffer *) GST_BUFFER_PRIVATE (buffer);
GST_LOG ("freeing buffer %p (nr. %d)", buffer, buf->buffer.index);
if (!g_atomic_int_dec_and_test (&buf->refcount)) {
/* we're still in use, add to queue again
note: this might fail because the device is already stopped (race) */
if (ioctl (buf->pool->video_fd, VIDIOC_QBUF, &buf->buffer) < 0)
GST_INFO ("readding to queue failed, assuming video device is stopped");
}
if (g_atomic_int_dec_and_test (&buf->pool->refcount)) {
/* we're last thing that used all this */
gst_v4l2src_buffer_pool_free (buf->pool, TRUE);
}
}
#endif
/****************************************************** /******************************************************
* gst_v4l2src_capture_deinit(): * gst_v4l2src_capture_deinit():
* deinitialize the capture system * deinitialize the capture system
@ -717,8 +693,8 @@ gst_v4l2src_get_size_limits (GstV4l2Src * v4l2src,
GST_LOG_OBJECT (v4l2src, GST_LOG_OBJECT (v4l2src,
"got min size %dx%d", fmt.fmt.pix.width, fmt.fmt.pix.height); "got min size %dx%d", fmt.fmt.pix.width, fmt.fmt.pix.height);
fmt.fmt.pix.width = 4096; fmt.fmt.pix.width = GST_V4L2_MAX_SIZE;
fmt.fmt.pix.height = 4096; fmt.fmt.pix.height = GST_V4L2_MAX_SIZE;
if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) { if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) {
GST_DEBUG_OBJECT (v4l2src, "failed to get max size: %s", GST_DEBUG_OBJECT (v4l2src, "failed to get max size: %s",
g_strerror (errno)); g_strerror (errno));

12
tests/icles/v4l2src-test.c
View file

@ -335,7 +335,7 @@ main (int argc, char *argv[])
gchar device[128] = { '\0' }; gchar device[128] = { '\0' };
gchar input[128] = { '\0' }; gchar input[128] = { '\0' };
gulong frequency = 0; gulong frequency = 0;
gboolean nofixedfps = TRUE; gboolean undeffps = FALSE;
/* see for input option */ /* see for input option */
@ -348,7 +348,7 @@ main (int argc, char *argv[])
{"Device location. Common in /dev/video0"}, {"Device location. Common in /dev/video0"},
{"input/output (channel) to switch to"}, {"input/output (channel) to switch to"},
{"frequency to tune to (in Hz)"}, {"frequency to tune to (in Hz)"},
{"set use-fixed-fps to FALSE"}, {"set use-undef-fps to TRUE"},
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static struct option long_options[] = { static struct option long_options[] = {
@ -356,7 +356,7 @@ main (int argc, char *argv[])
{"device", 1, 0, 'd'}, {"device", 1, 0, 'd'},
{"input", 1, 0, 'i'}, {"input", 1, 0, 'i'},
{"frequency", 1, 0, 'f'}, {"frequency", 1, 0, 'f'},
{"nofixedfps", 0, 0, 's'}, {"undeffps", 0, 0, 's'},
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
/* getopt_long stores the option index here. */ /* getopt_long stores the option index here. */
@ -398,7 +398,7 @@ main (int argc, char *argv[])
break; break;
case 's': case 's':
nofixedfps = FALSE; undeffps = TRUE;
break; break;
case 'h': case 'h':
@ -464,8 +464,8 @@ main (int argc, char *argv[])
if (frequency) { if (frequency) {
g_object_set (source, "frequency", frequency, NULL); g_object_set (source, "frequency", frequency, NULL);
} }
if (!nofixedfps) { if (undeffps) {
g_object_set (source, "use-fixed-fps", nofixedfps, NULL); g_object_set (source, "use-undef-fps", undeffps, NULL);
} }
/* you would normally check that the elements were created properly */ /* you would normally check that the elements were created properly */