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add ported videofilter to cvs head
Original commit message from CVS: add ported videofilter to cvs head
This commit is contained in:
Christian Schaller
parent
5d82e5d18d
commit
393df2e486
1 changed files with 51 additions and 69 deletions
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@ -51,7 +51,7 @@ static void gst_videofilter_set_property (GObject * object, guint prop_id,
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static void gst_videofilter_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_videofilter_chain (GstPad * pad, GstData * _data);
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static GstFlowReturn gst_videofilter_chain (GstPad * pad, GstBuffer * buffer);
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GstCaps *gst_videofilter_class_get_capslist (GstVideofilterClass * klass);
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static void gst_videofilter_setup (GstVideofilter * videofilter);
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@ -172,70 +172,56 @@ gst_videofilter_getcaps (GstPad * pad)
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{
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GstVideofilter *videofilter;
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GstVideofilterClass *klass;
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//GstCaps *caps;
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GstCaps *othercaps;
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GstPad *otherpad;
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//int i;
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GstCaps *caps;
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GstPad *peer;
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int i;
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GST_DEBUG ("gst_videofilter_getcaps");
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videofilter = GST_VIDEOFILTER (gst_pad_get_parent (pad));
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videofilter = GST_VIDEOFILTER (GST_PAD_PARENT (pad));
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klass = GST_VIDEOFILTER_CLASS (G_OBJECT_GET_CLASS (videofilter));
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otherpad = (pad == videofilter->srcpad) ? videofilter->sinkpad :
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videofilter->srcpad;
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othercaps = gst_pad_get_allowed_caps (otherpad);
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return othercaps;
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#if 0
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/* FIXME videofilter doesn't allow passthru of video formats it
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* doesn't understand. */
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/* Look through our list of caps and find those that match with
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* the peer's formats. Create a list of them. */
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/* FIXME optimize if peercaps == NULL */
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/* we can handle anything that was registered */
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caps = gst_caps_new_empty ();
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for (i = 0; i < klass->formats->len; i++) {
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GstCaps *icaps;
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GstCaps *fromcaps;
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fromcaps =
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gst_caps_new_full (gst_videofilter_format_get_structure
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(g_ptr_array_index (klass->formats, i)), NULL);
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icaps = gst_caps_intersect (fromcaps, peercaps);
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if (icaps != NULL) {
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gst_caps_append (caps, fromcaps);
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} else {
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gst_caps_free (fromcaps);
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}
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if (icaps)
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gst_caps_free (icaps);
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peer = gst_pad_get_peer (pad);
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if (peer) {
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GstCaps *peercaps;
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peercaps = gst_pad_get_caps (peer);
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if (peercaps) {
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GstCaps *icaps;
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icaps = gst_caps_intersect (peercaps, caps);
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gst_caps_unref (peercaps);
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gst_caps_unref (caps);
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caps = icaps;
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}
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//gst_object_unref (peer);
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}
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gst_caps_free (peercaps);
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return caps;
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#endif
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}
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static GstPadLinkReturn
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gst_videofilter_link (GstPad * pad, const GstCaps * caps)
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static gboolean
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gst_videofilter_setcaps (GstPad * pad, GstCaps * caps)
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{
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GstVideofilter *videofilter;
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GstStructure *structure;
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gboolean ret;
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int width, height;
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double framerate;
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GstPadLinkReturn lret;
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GstPad *otherpad;
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int ret;
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GST_DEBUG ("gst_videofilter_src_link");
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videofilter = GST_VIDEOFILTER (gst_pad_get_parent (pad));
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otherpad = (pad == videofilter->srcpad) ? videofilter->sinkpad :
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videofilter->srcpad;
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videofilter = GST_VIDEOFILTER (GST_PAD_PARENT (pad));
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structure = gst_caps_get_structure (caps, 0);
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@ -248,11 +234,9 @@ gst_videofilter_link (GstPad * pad, const GstCaps * caps)
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ret &= gst_structure_get_double (structure, "framerate", &framerate);
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if (!ret)
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return GST_PAD_LINK_REFUSED;
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return FALSE;
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lret = gst_pad_try_set_caps (otherpad, caps);
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if (GST_PAD_LINK_FAILED (lret))
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return lret;
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gst_pad_set_caps (videofilter->srcpad, caps);
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GST_DEBUG ("width %d height %d", width, height);
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@ -273,7 +257,7 @@ gst_videofilter_link (GstPad * pad, const GstCaps * caps)
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gst_videofilter_setup (videofilter);
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return GST_PAD_LINK_OK;
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return TRUE;
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}
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static void
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@ -290,7 +274,7 @@ gst_videofilter_init (GTypeInstance * instance, gpointer g_class)
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videofilter->sinkpad = gst_pad_new_from_template (pad_template, "sink");
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gst_element_add_pad (GST_ELEMENT (videofilter), videofilter->sinkpad);
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gst_pad_set_chain_function (videofilter->sinkpad, gst_videofilter_chain);
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gst_pad_set_link_function (videofilter->sinkpad, gst_videofilter_link);
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gst_pad_set_setcaps_function (videofilter->sinkpad, gst_videofilter_setcaps);
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gst_pad_set_getcaps_function (videofilter->sinkpad, gst_videofilter_getcaps);
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pad_template =
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@ -298,16 +282,14 @@ gst_videofilter_init (GTypeInstance * instance, gpointer g_class)
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g_return_if_fail (pad_template != NULL);
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videofilter->srcpad = gst_pad_new_from_template (pad_template, "src");
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gst_element_add_pad (GST_ELEMENT (videofilter), videofilter->srcpad);
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gst_pad_set_link_function (videofilter->srcpad, gst_videofilter_link);
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gst_pad_set_getcaps_function (videofilter->srcpad, gst_videofilter_getcaps);
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videofilter->inited = FALSE;
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}
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static void
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gst_videofilter_chain (GstPad * pad, GstData * _data)
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static GstFlowReturn
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gst_videofilter_chain (GstPad * pad, GstBuffer * buf)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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GstVideofilter *videofilter;
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guchar *data;
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gulong size;
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@ -315,19 +297,21 @@ gst_videofilter_chain (GstPad * pad, GstData * _data)
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GST_DEBUG ("gst_videofilter_chain");
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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g_return_val_if_fail (pad != NULL, GST_FLOW_ERROR);
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g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
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g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
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videofilter = GST_VIDEOFILTER (gst_pad_get_parent (pad));
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//g_return_if_fail (videofilter->inited);
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videofilter = GST_VIDEOFILTER (GST_PAD_PARENT (pad));
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data = GST_BUFFER_DATA (buf);
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size = GST_BUFFER_SIZE (buf);
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if (videofilter->passthru) {
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gst_pad_push (videofilter->srcpad, GST_DATA (buf));
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return;
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return gst_pad_push (videofilter->srcpad, buf);
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}
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if (GST_PAD_CAPS (pad) == NULL) {
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return GST_FLOW_NOT_NEGOTIATED;
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}
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GST_DEBUG ("gst_videofilter_chain: got buffer of %ld bytes in '%s'", size,
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@ -339,19 +323,19 @@ gst_videofilter_chain (GstPad * pad, GstData * _data)
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videofilter->to_width, videofilter->to_height, size,
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videofilter->from_buf_size, videofilter->to_buf_size);
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g_return_if_fail (size >= videofilter->from_buf_size);
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if (size > videofilter->from_buf_size) {
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GST_INFO ("buffer size %ld larger than expected (%d)",
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size, videofilter->from_buf_size);
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return GST_FLOW_ERROR;
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}
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outbuf = gst_pad_alloc_buffer (videofilter->srcpad, GST_BUFFER_OFFSET_NONE,
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videofilter->to_buf_size);
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videofilter->to_buf_size, GST_RPAD_CAPS (videofilter->srcpad));
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GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
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GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf);
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g_return_if_fail (videofilter->format);
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g_return_val_if_fail (videofilter->format, GST_FLOW_ERROR);
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GST_DEBUG ("format %s", videofilter->format->fourcc);
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videofilter->in_buf = buf;
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@ -363,9 +347,11 @@ gst_videofilter_chain (GstPad * pad, GstData * _data)
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GST_DEBUG ("gst_videofilter_chain: pushing buffer of %d bytes in '%s'",
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GST_BUFFER_SIZE (outbuf), GST_OBJECT_NAME (videofilter));
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gst_pad_push (videofilter->srcpad, GST_DATA (outbuf));
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gst_pad_push (videofilter->srcpad, outbuf);
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gst_buffer_unref (buf);
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return GST_FLOW_OK;
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}
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static void
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@ -422,7 +408,6 @@ void
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gst_videofilter_set_output_size (GstVideofilter * videofilter,
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int width, int height)
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{
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int ret;
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GstCaps *srccaps;
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GstStructure *structure;
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@ -434,17 +419,14 @@ gst_videofilter_set_output_size (GstVideofilter * videofilter,
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videofilter->to_buf_size = (videofilter->to_width * videofilter->to_height
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* videofilter->format->bpp) / 8;
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srccaps = gst_caps_copy (gst_pad_get_negotiated_caps (videofilter->srcpad));
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//srccaps = gst_caps_copy (gst_pad_get_negotiated_caps (videofilter->srcpad));
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srccaps = gst_caps_copy (GST_PAD_CAPS (videofilter->srcpad));
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structure = gst_caps_get_structure (srccaps, 0);
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gst_structure_set (structure, "width", G_TYPE_INT, width,
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"height", G_TYPE_INT, height, NULL);
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ret = gst_pad_try_set_caps (videofilter->srcpad, srccaps);
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if (ret < 0) {
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g_critical ("could not set output size");
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}
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gst_pad_set_caps (videofilter->srcpad, srccaps);
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}
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static void
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