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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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add autoprobe option fixes use try_capture
Original commit message from CVS: add autoprobe option fixes use try_capture
This commit is contained in:
Thomas Vander Stichele
parent
8f033f8591
commit
b72439823e
6 changed files with 102 additions and 22 deletions
17
ChangeLog
17
ChangeLog
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@ -1,3 +1,20 @@
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2004-06-17 Thomas Vander Stichele <thomas at apestaart dot org>
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* sys/v4l/gstv4lsrc.c: (gst_v4lsrc_class_init), (gst_v4lsrc_init),
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(gst_v4lsrc_open), (gst_v4lsrc_src_link), (gst_v4lsrc_getcaps),
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(gst_v4lsrc_get), (gst_v4lsrc_set_property),
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(gst_v4lsrc_get_property):
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* sys/v4l/gstv4lsrc.h:
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* sys/v4l/v4l_calls.c: (gst_v4l_set_window_properties),
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(gst_v4l_open), (gst_v4l_get_picture), (gst_v4l_get_audio),
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(gst_v4l_set_audio):
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* sys/v4l/v4lsrc_calls.c: (gst_v4lsrc_grab_frame),
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(gst_v4lsrc_try_capture):
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* sys/v4l/v4lsrc_calls.h:
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change try_palette to more general try_capture
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add autoprobe option so we can turn off autoprobing
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various fixes
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2004-06-17 Thomas Vander Stichele <thomas at apestaart dot org>
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* configure.ac:
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@ -31,6 +31,7 @@
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/* FIXME: small cheat */
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gboolean gst_v4l_set_window_properties (GstV4lElement * v4lelement);
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gboolean gst_v4l_get_capabilities (GstV4lElement * v4lelement);
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/* elementfactory information */
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static GstElementDetails gst_v4lsrc_details =
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@ -61,7 +62,8 @@ enum
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ARG_NUMBUFS,
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ARG_BUFSIZE,
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ARG_SYNC_MODE,
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ARG_COPY_MODE
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ARG_COPY_MODE,
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ARG_AUTOPROBE
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};
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GST_FORMATS_FUNCTION (GstPad *, gst_v4lsrc_get_formats,
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@ -114,7 +116,7 @@ static gboolean gst_v4lsrc_src_query (GstPad * pad,
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GstQueryType type, GstFormat * format, gint64 * value);
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/* buffer functions */
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static GstPadLinkReturn gst_v4lsrc_srcconnect (GstPad * pad,
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static GstPadLinkReturn gst_v4lsrc_src_link (GstPad * pad,
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const GstCaps * caps);
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static GstCaps *gst_v4lsrc_fixate (GstPad * pad, const GstCaps * caps);
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static GstCaps *gst_v4lsrc_getcaps (GstPad * pad);
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@ -206,6 +208,10 @@ gst_v4lsrc_class_init (GstV4lSrcClass * klass)
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g_param_spec_boolean ("copy_mode", "Copy mode",
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"Don't send out HW buffers, send copy instead", DEFAULT_COPY_MODE,
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G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_AUTOPROBE,
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g_param_spec_boolean ("autoprobe", "Autoprobe",
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"Whether the device should be probed for all possible features",
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TRUE, G_PARAM_READWRITE));
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/* signals */
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gst_v4lsrc_signals[SIGNAL_FRAME_CAPTURE] =
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@ -233,7 +239,6 @@ gst_v4lsrc_class_init (GstV4lSrcClass * klass)
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v4lelement_class->close = gst_v4lsrc_close;
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}
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static void
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gst_v4lsrc_init (GstV4lSrc * v4lsrc)
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{
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@ -249,7 +254,7 @@ gst_v4lsrc_init (GstV4lSrc * v4lsrc)
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gst_pad_set_get_function (v4lsrc->srcpad, gst_v4lsrc_get);
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gst_pad_set_getcaps_function (v4lsrc->srcpad, gst_v4lsrc_getcaps);
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gst_pad_set_fixate_function (v4lsrc->srcpad, gst_v4lsrc_fixate);
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gst_pad_set_link_function (v4lsrc->srcpad, gst_v4lsrc_srcconnect);
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gst_pad_set_link_function (v4lsrc->srcpad, gst_v4lsrc_src_link);
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gst_pad_set_convert_function (v4lsrc->srcpad, gst_v4lsrc_src_convert);
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gst_pad_set_formats_function (v4lsrc->srcpad, gst_v4lsrc_get_formats);
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gst_pad_set_query_function (v4lsrc->srcpad, gst_v4lsrc_src_query);
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@ -267,12 +272,17 @@ gst_v4lsrc_init (GstV4lSrc * v4lsrc)
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v4lsrc->copy_mode = DEFAULT_COPY_MODE;
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v4lsrc->is_capturing = FALSE;
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v4lsrc->autoprobe = TRUE;
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}
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static void
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gst_v4lsrc_open (GstElement * element, const gchar * device)
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{
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GstV4lSrc *v4lsrc = GST_V4LSRC (element);
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GstV4lElement *v4l = GST_V4LELEMENT (v4lsrc);
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gint width = v4l->vcap.minwidth;
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gint height = v4l->vcap.minheight;
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int palette[] = {
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VIDEO_PALETTE_YUV422,
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VIDEO_PALETTE_YUV420P,
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@ -290,7 +300,7 @@ gst_v4lsrc_open (GstElement * element, const gchar * device)
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for (i = 0; palette[i] != -1; i++) {
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/* try palette out */
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if (!gst_v4lsrc_try_palette (v4lsrc, palette[i]))
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if (!gst_v4lsrc_try_capture (v4lsrc, width, height, palette[i]))
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continue;
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v4lsrc->colourspaces = g_list_append (v4lsrc->colourspaces,
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GINT_TO_POINTER (palette[i]));
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@ -575,7 +585,7 @@ gst_v4lsrc_palette_to_caps (int palette)
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static GstPadLinkReturn
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gst_v4lsrc_srcconnect (GstPad * pad, const GstCaps * vscapslist)
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gst_v4lsrc_src_link (GstPad * pad, const GstCaps * vscapslist)
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{
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GstV4lSrc *v4lsrc;
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guint32 fourcc;
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@ -583,8 +593,10 @@ gst_v4lsrc_srcconnect (GstPad * pad, const GstCaps * vscapslist)
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gdouble fps;
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GstStructure *structure;
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gboolean was_capturing;
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struct video_window *vwin;
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v4lsrc = GST_V4LSRC (gst_pad_get_parent (pad));
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vwin = &GST_V4LELEMENT (v4lsrc)->vwin;
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was_capturing = v4lsrc->is_capturing;
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/* in case the buffers are active (which means that we already
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@ -614,7 +626,6 @@ gst_v4lsrc_srcconnect (GstPad * pad, const GstCaps * vscapslist)
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/* set framerate if it's not already correct */
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if (fps != gst_v4lsrc_get_fps (v4lsrc)) {
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int fps_index = fps / 15.0 * 16;
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struct video_window *vwin = &GST_V4LELEMENT (v4lsrc)->vwin;
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GST_DEBUG_OBJECT (v4lsrc, "Trying to set fps index %d", fps_index);
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/* set bits 16 to 21 to 0 */
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@ -689,11 +700,46 @@ gst_v4lsrc_srcconnect (GstPad * pad, const GstCaps * vscapslist)
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break;
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}
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if (palette == -1)
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if (palette == -1) {
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GST_WARN_OBJECT (v4lsrc, "palette is -1, refusing link");
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return GST_PAD_LINK_REFUSED;
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}
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if (!gst_v4lsrc_set_capture (v4lsrc, w, h, palette))
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GST_DEBUG_OBJECT (v4lsrc, "trying to set_capture %dx%d, palette %d",
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w, h, palette);
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if (!gst_v4lsrc_set_capture (v4lsrc, w, h, palette)) {
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GST_WARN_OBJECT (v4lsrc, "could not set_capture %dx%d, palette %d",
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w, h, palette);
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return GST_PAD_LINK_REFUSED;
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}
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/* first try the negotiated settings using try_capture */
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if (!gst_v4lsrc_try_capture (v4lsrc, w, h, palette)) {
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GST_DEBUG_OBJECT (v4lsrc, "failed trying palette %d for w/h", palette);
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return GST_PAD_LINK_REFUSED;
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}
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if (!gst_v4l_get_capabilities (GST_V4LELEMENT (v4lsrc)))
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GST_DEBUG_OBJECT (v4lsrc, "failed getting capabilities");
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GST_DEBUG_OBJECT (v4lsrc, "done checking, with w %d h %d palette %d\n",
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vwin->width, vwin->height, palette);
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if (vwin->width != v4lsrc->mmap.width) {
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/* We consider this a device error since it was called with fixed
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* caps that the device doesn't accept. Still, there should be
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* a way to handle this more gracefully, maybe provide a fixate
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* function */
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GST_ELEMENT_ERROR (v4lsrc, RESOURCE, SETTINGS, (NULL),
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("Tried setting %dx%d but got %dx%d back as suggestion",
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v4lsrc->mmap.width, v4lsrc->mmap.height, vwin->width,
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vwin->height));
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return GST_PAD_LINK_REFUSED;
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}
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if (vwin->height != v4lsrc->mmap.height) {
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GST_ELEMENT_ERROR (v4lsrc, RESOURCE, SETTINGS, (NULL),
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("Tried setting %dx%d but got %dx%d back as suggestion",
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v4lsrc->mmap.width, v4lsrc->mmap.height, vwin->width,
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vwin->height));
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return GST_PAD_LINK_REFUSED;
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}
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if (!gst_v4lsrc_capture_init (v4lsrc))
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return GST_PAD_LINK_REFUSED;
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@ -752,6 +798,11 @@ gst_v4lsrc_getcaps (GstPad * pad)
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if (!GST_V4L_IS_OPEN (GST_V4LELEMENT (v4lsrc))) {
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return gst_caps_new_any ();
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}
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if (!v4lsrc->autoprobe) {
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/* FIXME: query current caps and return those, with _any appended */
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return gst_caps_new_any ();
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}
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/* if not cached from last run, get it */
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if (!fps_list)
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fps_list = gst_v4lsrc_get_fps_list (v4lsrc);
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@ -907,7 +958,8 @@ gst_v4lsrc_get (GstPad * pad)
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if (v4lsrc->clock) {
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GstClockTime time = gst_element_get_time (GST_ELEMENT (v4lsrc));
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GST_BUFFER_TIMESTAMP (buf) = time;
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/* FIXME: figure out a way to add the capture latency here */
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GST_BUFFER_TIMESTAMP (buf) = time /* + 0.5 * GST_SECOND / fps */ ;
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} else {
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GST_BUFFER_TIMESTAMP (buf) = GST_CLOCK_TIME_NONE;
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}
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@ -990,6 +1042,12 @@ gst_v4lsrc_set_property (GObject * object,
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v4lsrc->copy_mode = g_value_get_boolean (value);
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break;
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case ARG_AUTOPROBE:
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if (!GST_V4L_IS_ACTIVE (GST_V4LELEMENT (v4lsrc))) {
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v4lsrc->autoprobe = g_value_get_boolean (value);
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}
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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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break;
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@ -1027,6 +1085,10 @@ gst_v4lsrc_get_property (GObject * object,
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g_value_set_boolean (value, v4lsrc->copy_mode);
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break;
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case ARG_AUTOPROBE:
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g_value_set_boolean (value, v4lsrc->autoprobe);
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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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break;
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@ -103,6 +103,7 @@ struct _GstV4lSrc
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GstV4lSrcSyncMode syncmode;
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gboolean copy_mode;
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gboolean autoprobe; /* probe on startup ? */
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};
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struct _GstV4lSrcClass
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@ -76,7 +76,7 @@ static const char *norm_name[] = {
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* return value: TRUE on success, FALSE on error
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******************************************************/
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static gboolean
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gboolean
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gst_v4l_get_capabilities (GstV4lElement * v4lelement)
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{
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GST_DEBUG_OBJECT (v4lelement, "getting capabilities");
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@ -194,7 +194,7 @@ gst_v4l_open (GstV4lElement * v4lelement)
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return FALSE;
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}
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GST_INFO_OBJECT (v4lelement, "Opened device \'%s\' (\'%s\') successfully\n",
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GST_INFO_OBJECT (v4lelement, "Opened device \'%s\' (\'%s\') successfully",
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v4lelement->vcap.name, v4lelement->videodev);
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/* norms + inputs, for the tuner interface */
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@ -274,7 +274,7 @@ gst_v4lsrc_capture_start (GstV4lSrc * v4lsrc)
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gboolean
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gst_v4lsrc_grab_frame (GstV4lSrc * v4lsrc, gint * num)
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{
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GST_LOG_OBJECT (v4lsrc, "grabbing frame");
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GST_LOG_OBJECT (v4lsrc, "grabbing frame %d", num);
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GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
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GST_V4L_CHECK_ACTIVE (GST_V4LELEMENT (v4lsrc));
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@ -443,10 +443,9 @@ gst_v4lsrc_capture_deinit (GstV4lSrc * v4lsrc)
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return TRUE;
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}
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/******************************************************
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* gst_v4lsrc_try_palette():
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* try out a palette on the device
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* gst_v4lsrc_try_capture():
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* try out a capture on the device
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* This has to be done before initializing the
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* actual capture system, to make sure we don't
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* mess up anything. So we need to mini-mmap()
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@ -461,7 +460,8 @@ gst_v4lsrc_capture_deinit (GstV4lSrc * v4lsrc)
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******************************************************/
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gboolean
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gst_v4lsrc_try_palette (GstV4lSrc * v4lsrc, gint palette)
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gst_v4lsrc_try_capture (GstV4lSrc * v4lsrc, gint width, gint height,
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gint palette)
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{
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/* so, we need a buffer and some more stuff */
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int frame = 0;
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@ -469,8 +469,8 @@ gst_v4lsrc_try_palette (GstV4lSrc * v4lsrc, gint palette)
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struct video_mbuf vmbuf;
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struct video_mmap vmmap;
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GST_DEBUG_OBJECT (v4lsrc, "gonna try out palette format %d (%s)",
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palette, palette_name[palette]);
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GST_DEBUG_OBJECT (v4lsrc, "try out %dx%d, palette format %d (%s)",
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width, height, palette, palette_name[palette]);
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GST_V4L_CHECK_OPEN (GST_V4LELEMENT (v4lsrc));
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GST_V4L_CHECK_NOT_ACTIVE (GST_V4LELEMENT (v4lsrc));
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@ -490,8 +490,8 @@ gst_v4lsrc_try_palette (GstV4lSrc * v4lsrc, gint palette)
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}
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/* now that we have a buffer, let's try out our format */
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vmmap.width = GST_V4LELEMENT (v4lsrc)->vcap.minwidth;
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vmmap.height = GST_V4LELEMENT (v4lsrc)->vcap.minheight;
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vmmap.width = width;
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vmmap.height = height;
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vmmap.format = palette;
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vmmap.frame = frame;
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if (ioctl (GST_V4LELEMENT (v4lsrc)->video_fd, VIDIOCMCAPTURE, &vmmap) < 0) {
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@ -42,7 +42,7 @@ gboolean gst_v4lsrc_capture_stop (GstV4lSrc *v4lsrc);
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gboolean gst_v4lsrc_capture_deinit (GstV4lSrc *v4lsrc);
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/* "the ugliest hack ever, now available at your local mirror" */
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gboolean gst_v4lsrc_try_palette (GstV4lSrc *v4lsrc, gint palette);
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gboolean gst_v4lsrc_try_capture (GstV4lSrc *v4lsrc, gint width, gint height, gint palette);
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#ifdef __cplusplus
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