mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-28 19:20:35 +00:00
Some cleanups and comments.
Original commit message from CVS: Some cleanups and comments.
This commit is contained in:
parent
59c201f0d4
commit
eea3a2d9b6
7 changed files with 131 additions and 223 deletions
|
@ -398,11 +398,9 @@ gst_v4l2_object_get_property_helper (GstV4l2Object * v4l2object,
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flags |= v4l2object->vcap.capabilities &
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(V4L2_CAP_VIDEO_CAPTURE |
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V4L2_CAP_VIDEO_OUTPUT |
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V4L2_CAP_VIDEO_OVERLAY | V4L2_CAP_TUNER | V4L2_CAP_AUDIO);
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/* FIXME. if there is something with AUDIO we add something with
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* video? this needs some explanation.. */
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if (v4l2object->vcap.capabilities & V4L2_CAP_AUDIO)
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flags |= V4L2_FBUF_CAP_CHROMAKEY;
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V4L2_CAP_VIDEO_OVERLAY |
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V4L2_CAP_VBI_CAPTURE |
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V4L2_CAP_VBI_OUTPUT | V4L2_CAP_TUNER | V4L2_CAP_AUDIO);
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}
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g_value_set_flags (value, flags);
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break;
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@ -438,7 +436,9 @@ gst_v4l2_set_defaults (GstV4l2Object * v4l2object)
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norm =
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GST_TUNER_NORM (gst_tuner_get_norm (GST_TUNER (v4l2object->element)));
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if (norm) {
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/* FIXME, free old? */
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if (v4l2object->std) {
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g_free (v4l2object->std);
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}
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v4l2object->std = g_strdup (norm->label);
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gst_tuner_norm_changed (tuner, norm);
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g_object_notify (G_OBJECT (v4l2object->element), "std");
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@ -453,7 +453,9 @@ gst_v4l2_set_defaults (GstV4l2Object * v4l2object)
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channel =
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GST_TUNER_CHANNEL (gst_tuner_get_channel (GST_TUNER (v4l2object->
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element)));
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/* FIXME, free old? */
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if (v4l2object->input) {
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g_free (v4l2object->input);
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}
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v4l2object->input = g_strdup (channel->label);
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gst_tuner_channel_changed (tuner, channel);
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g_object_notify (G_OBJECT (v4l2object->element), "input");
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@ -35,7 +35,7 @@
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* </para>
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* <para>
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* <programlisting>
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* gst-launch v4l2src use-fixed-fps=true ! xvimagesink
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* gst-launch v4l2src use-undef-fps=true ! xvimagesink
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* </programlisting>
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* This example should be used to capture from web-cams
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* </para>
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@ -67,13 +67,13 @@ GST_ELEMENT_DETAILS ("Video (video4linux2/raw) Source",
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GST_DEBUG_CATEGORY (v4l2src_debug);
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#define GST_CAT_DEFAULT v4l2src_debug
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#define DEFAULT_PROP_USE_FIXED_FPS TRUE
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#define DEFAULT_PROP_USE_UNDEF_FPS FALSE
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enum
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{
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PROP_0,
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V4L2_STD_OBJECT_PROPS,
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PROP_USE_FIXED_FPS
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PROP_USE_UNDEF_FPS
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};
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static const guint32 gst_v4l2_formats[] = {
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@ -284,11 +284,12 @@ gst_v4l2src_class_init (GstV4l2SrcClass * klass)
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gst_v4l2_object_install_properties_helper (gobject_class);
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g_object_class_install_property
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(gobject_class, PROP_USE_FIXED_FPS,
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g_param_spec_boolean ("use-fixed-fps", "Use Fixed FPS",
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"Drop/Insert frames to reach a certain FPS (TRUE) "
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"or adapt FPS to suit the number of frabbed frames",
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DEFAULT_PROP_USE_FIXED_FPS, G_PARAM_READWRITE));
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(gobject_class, PROP_USE_UNDEF_FPS,
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g_param_spec_boolean ("use-undef-fps", "Use undefined FPS",
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"For some devices that can't properly report its fps "
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"set this property to TRUE. The 'caps' will have its "
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"'framerate' set to '0/1'.",
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DEFAULT_PROP_USE_UNDEF_FPS, G_PARAM_READWRITE));
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basesrc_class->get_caps = gst_v4l2src_get_caps;
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basesrc_class->set_caps = gst_v4l2src_set_caps;
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@ -311,7 +312,7 @@ gst_v4l2src_init (GstV4l2Src * v4l2src, GstV4l2SrcClass * klass)
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/* fps */
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v4l2src->fps_n = 0;
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v4l2src->fps_d = 1;
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v4l2src->use_fixed_fps = DEFAULT_PROP_USE_FIXED_FPS;
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v4l2src->use_undef_fps = DEFAULT_PROP_USE_UNDEF_FPS;
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v4l2src->is_capturing = FALSE;
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@ -348,9 +349,9 @@ gst_v4l2src_set_property (GObject * object,
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if (!gst_v4l2_object_set_property_helper (v4l2src->v4l2object,
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prop_id, value, pspec)) {
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switch (prop_id) {
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case PROP_USE_FIXED_FPS:
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case PROP_USE_UNDEF_FPS:
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if (!GST_V4L2_IS_ACTIVE (v4l2src->v4l2object)) {
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v4l2src->use_fixed_fps = g_value_get_boolean (value);
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v4l2src->use_undef_fps = g_value_get_boolean (value);
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}
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break;
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default:
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@ -373,8 +374,8 @@ gst_v4l2src_get_property (GObject * object,
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if (!gst_v4l2_object_get_property_helper (v4l2src->v4l2object,
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prop_id, value, pspec)) {
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switch (prop_id) {
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case PROP_USE_FIXED_FPS:
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g_value_set_boolean (value, v4l2src->use_fixed_fps);
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case PROP_USE_UNDEF_FPS:
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g_value_set_boolean (value, v4l2src->use_undef_fps);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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@ -402,8 +403,12 @@ gst_v4l2src_fixate (GstPad * pad, GstCaps * caps)
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/* FIXME such sizes? we usually fixate to something in the 320x200
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* range... */
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gst_structure_fixate_field_nearest_int (structure, "width", 4096);
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gst_structure_fixate_field_nearest_int (structure, "height", 4096);
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/* We are fixating to greater possble size (limited to GST_V4L2_MAX_SIZE)
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and framarate closer to 15/2 that is common in web-cams */
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gst_structure_fixate_field_nearest_int (structure, "width",
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GST_V4L2_MAX_SIZE);
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gst_structure_fixate_field_nearest_int (structure, "height",
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GST_V4L2_MAX_SIZE);
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gst_structure_fixate_field_nearest_fraction (structure, "framerate", 15, 2);
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v = gst_structure_get_value (structure, "format");
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@ -697,8 +702,8 @@ gst_v4l2src_get_all_caps (void)
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structure = gst_v4l2src_v4l2fourcc_to_caps (gst_v4l2_formats[i]);
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if (structure) {
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gst_structure_set (structure,
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"width", GST_TYPE_INT_RANGE, 1, 4096,
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"height", GST_TYPE_INT_RANGE, 1, 4096,
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"width", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
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"height", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
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"framerate", GST_TYPE_FRACTION_RANGE, 1, 1, 100, 1, NULL);
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gst_caps_append_structure (caps, structure);
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}
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@ -745,11 +750,12 @@ gst_v4l2src_get_caps (GstBaseSrc * src)
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&min_w, &max_w, &min_h, &max_h)) {
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continue;
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}
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/* template, FIXME, why limit if the device reported correct results. */
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min_w = CLAMP (min_w, 1, 4096);
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min_h = CLAMP (min_h, 1, 4096);
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max_w = CLAMP (max_w, min_w, 4096);
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max_h = CLAMP (max_h, min_h, 4096);
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/* template, FIXME, why limit if the device reported correct results? */
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/* we are doing it right now to avoid unexpected results */
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min_w = CLAMP (min_w, 1, GST_V4L2_MAX_SIZE);
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min_h = CLAMP (min_h, 1, GST_V4L2_MAX_SIZE);
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max_w = CLAMP (max_w, min_w, GST_V4L2_MAX_SIZE);
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max_h = CLAMP (max_h, min_h, GST_V4L2_MAX_SIZE);
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/* add to list */
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structure = gst_v4l2src_v4l2fourcc_to_caps (format->pixelformat);
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@ -760,6 +766,13 @@ gst_v4l2src_get_caps (GstBaseSrc * src)
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"height", GST_TYPE_INT_RANGE, min_h, max_h, NULL);
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/* FIXME, why random range? */
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/* AFAIK: in v4l2 standard we still don't have a good way to enum
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for a range. Currently it is on discussion on v4l2 forum.
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Currently, something more smart could be done for tvcard devices.
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The maximum value could be determined by 'v4l2_standard.frameperiod'
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and minimum also to the same if V4L2_CAP_TIMEPERFRAME is not set. */
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/* another approach for web-cams would be to try to set a very
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high(100/1) and low(1/1) FPSs and get the values returned */
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gst_structure_set (structure, "framerate", GST_TYPE_FRACTION_RANGE,
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1, 1, 100, 1, NULL);
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@ -794,7 +807,7 @@ gst_v4l2src_set_caps (GstBaseSrc * src, GstCaps * caps)
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return FALSE;
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}
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/* it's fixed, one struct */
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/* it's undef, one struct */
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structure = gst_caps_get_structure (caps, 0);
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/* we want our own v4l2 type of fourcc codes */
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@ -991,7 +1004,7 @@ gst_v4l2src_create (GstPushSrc * src, GstBuffer ** buf)
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GstV4l2Src *v4l2src = GST_V4L2SRC (src);
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GstFlowReturn ret;
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if (v4l2src->use_fixed_fps && v4l2src->fps_n == 0)
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if ((!v4l2src->use_undef_fps) && v4l2src->fps_n == 0)
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goto no_framerate;
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if (v4l2src->breq.memory == V4L2_MEMORY_MMAP) {
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@ -1005,8 +1018,8 @@ gst_v4l2src_create (GstPushSrc * src, GstBuffer ** buf)
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no_framerate:
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{
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GST_ELEMENT_ERROR (v4l2src, RESOURCE, SETTINGS,
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(_("could not get frame rate for %s, try to set use-fixed-fps "
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"property to false"), v4l2src->v4l2object->videodev), (NULL));
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(_("could not get frame rate for %s, try to set use-undef-fps "
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"property to true"), v4l2src->v4l2object->videodev), (NULL));
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return GST_FLOW_ERROR;
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}
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}
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@ -30,6 +30,7 @@ GST_DEBUG_CATEGORY_EXTERN (v4l2src_debug);
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#define GST_V4L2_MAX_BUFFERS 16
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#define GST_V4L2_MIN_BUFFERS 2
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#define GST_V4L2_MAX_SIZE (1<<15) /* 2^15 == 32768 */
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G_BEGIN_DECLS
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@ -100,7 +101,7 @@ struct _GstV4l2Src
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/* how are we going to push buffers? */
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guint fps_n, fps_d;
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gboolean use_fixed_fps;
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gboolean use_undef_fps;
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};
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struct _GstV4l2SrcClass
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@ -122,16 +122,6 @@ gst_v4l2_tuner_norm_init (GstV4l2TunerNorm * norm)
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norm->index = 0;
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}
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#if 0 /* output not handled by now */
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static gboolean
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gst_v4l2_tuner_is_sink (GstV4l2Object * v4l2object)
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{
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GstPadDirection dir = GST_PAD_UNKNOWN;
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return (dir == GST_PAD_SINK);
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}
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#endif /* #if 0 - output not handled by now */
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static G_GNUC_UNUSED gboolean
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gst_v4l2_tuner_contains_channel (GstV4l2Object * v4l2object,
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GstV4l2TunerChannel * v4l2channel)
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@ -83,113 +83,64 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
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{
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gint n;
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#if 0 /* output not handled by now */
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GstPadDirection dir = GST_PAD_UNKNOWN;
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#endif /* #if 0 - output not handled by now */
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GST_DEBUG_OBJECT (v4l2object->element, "getting enumerations");
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GST_V4L2_CHECK_OPEN (v4l2object);
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#if 0 /* output not handled by now */
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if (dir != GST_PAD_SINK) {
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#endif /* #if 0 - output not handled by now */
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GST_DEBUG_OBJECT (v4l2object->element, " inputs");
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/* and now, the inputs */
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for (n = 0;; n++) {
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struct v4l2_input input;
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GstV4l2TunerChannel *v4l2channel;
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GstTunerChannel *channel;
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GST_DEBUG_OBJECT (v4l2object->element, " inputs");
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/* and now, the inputs */
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for (n = 0;; n++) {
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struct v4l2_input input;
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GstV4l2TunerChannel *v4l2channel;
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GstTunerChannel *channel;
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input.index = n;
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if (ioctl (v4l2object->video_fd, VIDIOC_ENUMINPUT, &input) < 0) {
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if (errno == EINVAL)
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break; /* end of enumeration */
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else {
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GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
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("Failed to get %d in input enumeration for %s",
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n, v4l2object->videodev), GST_ERROR_SYSTEM);
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return FALSE;
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}
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input.index = n;
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if (ioctl (v4l2object->video_fd, VIDIOC_ENUMINPUT, &input) < 0) {
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if (errno == EINVAL)
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break; /* end of enumeration */
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else {
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GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
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("Failed to get %d in input enumeration for %s",
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n, v4l2object->videodev), GST_ERROR_SYSTEM);
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return FALSE;
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}
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v4l2channel = g_object_new (GST_TYPE_V4L2_TUNER_CHANNEL, NULL);
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channel = GST_TUNER_CHANNEL (v4l2channel);
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channel->label = g_strdup ((const gchar *) input.name);
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channel->flags = GST_TUNER_CHANNEL_INPUT;
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v4l2channel->index = n;
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if (input.type == V4L2_INPUT_TYPE_TUNER) {
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struct v4l2_tuner vtun;
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v4l2channel->tuner = input.tuner;
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channel->flags |= GST_TUNER_CHANNEL_FREQUENCY;
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vtun.index = input.tuner;
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if (ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &vtun) < 0) {
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GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
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("Failed to get tuner %d settings on %s",
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input.tuner, v4l2object->videodev), GST_ERROR_SYSTEM);
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g_object_unref (G_OBJECT (channel));
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return FALSE;
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}
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channel->freq_multiplicator =
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62.5 * ((vtun.capability & V4L2_TUNER_CAP_LOW) ? 1 : 1000);
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channel->min_frequency = vtun.rangelow * channel->freq_multiplicator;
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channel->max_frequency = vtun.rangehigh * channel->freq_multiplicator;
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channel->min_signal = 0;
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channel->max_signal = 0xffff;
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}
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if (input.audioset) {
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/* we take the first. We don't care for
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* the others for now */
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while (!(input.audioset & (1 << v4l2channel->audio)))
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v4l2channel->audio++;
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channel->flags |= GST_TUNER_CHANNEL_AUDIO;
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}
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v4l2object->inputs =
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g_list_append (v4l2object->inputs, (gpointer) channel);
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}
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#if 0 /* output not handled by now */
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} else {
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/* outputs */
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for (n = 0;; n++) {
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struct v4l2_output output;
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GstV4l2TunerChannel *v4l2channel;
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GstTunerChannel *channel;
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v4l2channel = g_object_new (GST_TYPE_V4L2_TUNER_CHANNEL, NULL);
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channel = GST_TUNER_CHANNEL (v4l2channel);
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channel->label = g_strdup ((const gchar *) input.name);
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channel->flags = GST_TUNER_CHANNEL_INPUT;
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v4l2channel->index = n;
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if (input.type == V4L2_INPUT_TYPE_TUNER) {
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struct v4l2_tuner vtun;
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output.index = n;
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if (ioctl (v4l2object->video_fd, VIDIOC_ENUMOUTPUT, &output) < 0) {
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if (errno == EINVAL)
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break; /* end of enumeration */
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else {
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GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
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("Failed to get %d in output enumeration for %s",
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n, v4l2object->videodev)
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, GST_ERROR_SYSTEM);
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return FALSE;
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}
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v4l2channel->tuner = input.tuner;
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channel->flags |= GST_TUNER_CHANNEL_FREQUENCY;
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vtun.index = input.tuner;
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if (ioctl (v4l2object->video_fd, VIDIOC_G_TUNER, &vtun) < 0) {
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GST_ELEMENT_ERROR (v4l2object->element, RESOURCE, SETTINGS,
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("Failed to get tuner %d settings on %s",
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input.tuner, v4l2object->videodev), GST_ERROR_SYSTEM);
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g_object_unref (G_OBJECT (channel));
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return FALSE;
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}
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v4l2channel = g_object_new (GST_TYPE_V4L2_TUNER_CHANNEL, NULL);
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channel = GST_TUNER_CHANNEL (v4l2channel);
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channel->label = g_strdup ((const gchar *) output.name);
|
||||
channel->flags = GST_TUNER_CHANNEL_OUTPUT;
|
||||
v4l2channel->index = n;
|
||||
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);
|
||||
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);
|
||||
}
|
||||
#endif /* #if 0 - output not handled by now */
|
||||
|
||||
GST_DEBUG_OBJECT (v4l2object->element, " norms");
|
||||
/* norms... */
|
||||
|
@ -231,6 +182,9 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
|
|||
if (n == V4L2_CID_LASTP1) {
|
||||
GST_DEBUG_OBJECT (v4l2object->element, "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;
|
||||
}
|
||||
|
||||
control.id = n;
|
||||
|
@ -267,6 +221,21 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
|
|||
case V4L2_CID_GAIN:
|
||||
/* we only handle these for now (why?) */
|
||||
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:
|
||||
GST_DEBUG_OBJECT (v4l2object->element,
|
||||
"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);
|
||||
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) {
|
||||
struct v4l2_querymenu menu, *mptr;
|
||||
int i;
|
||||
|
@ -319,9 +289,11 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
|
|||
channel->max_value = TRUE;
|
||||
break;
|
||||
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,
|
||||
"No range for ControlID %s (%x), type=%d",
|
||||
"Control with non supported type %s (%x), type=%d",
|
||||
control.name, n, control.type);
|
||||
channel->min_value = channel->max_value = 0;
|
||||
break;
|
||||
|
@ -497,9 +469,8 @@ gst_v4l2_get_norm (GstV4l2Object * v4l2object, v4l2_std_id * norm)
|
|||
/* ERRORS */
|
||||
std_failed:
|
||||
{
|
||||
GST_ELEMENT_WARNING (v4l2object->element, RESOURCE, SETTINGS,
|
||||
(_("Failed to get the current norm for device %s"),
|
||||
v4l2object->videodev), GST_ERROR_SYSTEM);
|
||||
GST_DEBUG ("Failed to get the current norm for device %s",
|
||||
v4l2object->videodev);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
@ -765,48 +736,3 @@ input_failed:
|
|||
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 */
|
||||
|
|
|
@ -604,30 +604,6 @@ gst_v4l2src_buffer_pool_free (GstV4l2BufferPool * pool, gboolean do_close)
|
|||
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():
|
||||
* deinitialize the capture system
|
||||
|
@ -717,8 +693,8 @@ gst_v4l2src_get_size_limits (GstV4l2Src * v4l2src,
|
|||
GST_LOG_OBJECT (v4l2src,
|
||||
"got min size %dx%d", fmt.fmt.pix.width, fmt.fmt.pix.height);
|
||||
|
||||
fmt.fmt.pix.width = 4096;
|
||||
fmt.fmt.pix.height = 4096;
|
||||
fmt.fmt.pix.width = GST_V4L2_MAX_SIZE;
|
||||
fmt.fmt.pix.height = GST_V4L2_MAX_SIZE;
|
||||
if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_TRY_FMT, &fmt) < 0) {
|
||||
GST_DEBUG_OBJECT (v4l2src, "failed to get max size: %s",
|
||||
g_strerror (errno));
|
||||
|
|
|
@ -335,7 +335,7 @@ main (int argc, char *argv[])
|
|||
gchar device[128] = { '\0' };
|
||||
gchar input[128] = { '\0' };
|
||||
gulong frequency = 0;
|
||||
gboolean nofixedfps = TRUE;
|
||||
gboolean undeffps = FALSE;
|
||||
|
||||
|
||||
/* see for input option */
|
||||
|
@ -348,7 +348,7 @@ main (int argc, char *argv[])
|
|||
{"Device location. Common in /dev/video0"},
|
||||
{"input/output (channel) to switch to"},
|
||||
{"frequency to tune to (in Hz)"},
|
||||
{"set use-fixed-fps to FALSE"},
|
||||
{"set use-undef-fps to TRUE"},
|
||||
{0, 0, 0, 0}
|
||||
};
|
||||
static struct option long_options[] = {
|
||||
|
@ -356,7 +356,7 @@ main (int argc, char *argv[])
|
|||
{"device", 1, 0, 'd'},
|
||||
{"input", 1, 0, 'i'},
|
||||
{"frequency", 1, 0, 'f'},
|
||||
{"nofixedfps", 0, 0, 's'},
|
||||
{"undeffps", 0, 0, 's'},
|
||||
{0, 0, 0, 0}
|
||||
};
|
||||
/* getopt_long stores the option index here. */
|
||||
|
@ -398,7 +398,7 @@ main (int argc, char *argv[])
|
|||
break;
|
||||
|
||||
case 's':
|
||||
nofixedfps = FALSE;
|
||||
undeffps = TRUE;
|
||||
break;
|
||||
|
||||
case 'h':
|
||||
|
@ -464,8 +464,8 @@ main (int argc, char *argv[])
|
|||
if (frequency) {
|
||||
g_object_set (source, "frequency", frequency, NULL);
|
||||
}
|
||||
if (!nofixedfps) {
|
||||
g_object_set (source, "use-fixed-fps", nofixedfps, NULL);
|
||||
if (undeffps) {
|
||||
g_object_set (source, "use-undef-fps", undeffps, NULL);
|
||||
}
|
||||
|
||||
/* you would normally check that the elements were created properly */
|
||||
|
|
Loading…
Reference in a new issue