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Diffstat (limited to 'gst/playback/gstscreenshot.c')
-rw-r--r--gst/playback/gstscreenshot.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/gst/playback/gstscreenshot.c b/gst/playback/gstscreenshot.c
deleted file mode 100644
index 6d09c376..00000000
--- a/gst/playback/gstscreenshot.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/* Small helper element for format conversion
- * Copyright (C) 2005 Tim-Philipp Müller <tim centricular net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <string.h>
-
-#include "gstscreenshot.h"
-
-static void
-feed_fakesrc (GstElement * src, GstBuffer * buf, GstPad * pad, gpointer data)
-{
- GstBuffer *in_buf = GST_BUFFER (data);
-
- gst_buffer_set_caps (buf, GST_BUFFER_CAPS (in_buf));
-
- memcpy (GST_BUFFER_DATA (buf), GST_BUFFER_DATA (in_buf),
- GST_BUFFER_SIZE (in_buf));
-
- GST_BUFFER_SIZE (buf) = GST_BUFFER_SIZE (in_buf);
-
- GST_DEBUG ("feeding buffer %p, size %u, caps %" GST_PTR_FORMAT,
- buf, GST_BUFFER_SIZE (buf), GST_BUFFER_CAPS (buf));
-}
-
-static void
-save_result (GstElement * sink, GstBuffer * buf, GstPad * pad, gpointer data)
-{
- GstBuffer **p_buf = (GstBuffer **) data;
-
- *p_buf = gst_buffer_ref (buf);
-
- GST_DEBUG ("received converted buffer %p with caps %" GST_PTR_FORMAT,
- *p_buf, GST_BUFFER_CAPS (*p_buf));
-}
-
-static gboolean
-create_element (const gchar * factory_name, GstElement ** element,
- GError ** err)
-{
- *element = gst_element_factory_make (factory_name, NULL);
- if (*element)
- return TRUE;
-
- if (err && *err == NULL) {
- *err = g_error_new (GST_CORE_ERROR, GST_CORE_ERROR_MISSING_PLUGIN,
- "cannot create element '%s' - please check your GStreamer installation",
- factory_name);
- }
-
- return FALSE;
-}
-
-/* takes ownership of the input buffer */
-GstBuffer *
-gst_play_frame_conv_convert (GstBuffer * buf, GstCaps * to_caps)
-{
- GstElement *src, *csp, *filter1, *vscale, *filter2, *sink, *pipeline;
- GstMessage *msg;
- GstBuffer *result = NULL;
- GError *error = NULL;
- GstBus *bus;
- GstCaps *to_caps_no_par;
-
- g_return_val_if_fail (GST_BUFFER_CAPS (buf) != NULL, NULL);
-
- /* videoscale is here to correct for the pixel-aspect-ratio for us */
- GST_DEBUG ("creating elements");
- if (!create_element ("fakesrc", &src, &error) ||
- !create_element ("ffmpegcolorspace", &csp, &error) ||
- !create_element ("videoscale", &vscale, &error) ||
- !create_element ("capsfilter", &filter1, &error) ||
- !create_element ("capsfilter", &filter2, &error) ||
- !create_element ("fakesink", &sink, &error))
- goto no_elements;
-
- pipeline = gst_pipeline_new ("screenshot-pipeline");
- if (pipeline == NULL)
- goto no_pipeline;
-
- GST_DEBUG ("adding elements");
- gst_bin_add_many (GST_BIN (pipeline), src, csp, filter1, vscale, filter2,
- sink, NULL);
-
- g_signal_connect (src, "handoff", G_CALLBACK (feed_fakesrc), buf);
-
- /* set to 'fixed' sizetype */
- g_object_set (src, "sizemax", GST_BUFFER_SIZE (buf), "sizetype", 2,
- "num-buffers", 1, "signal-handoffs", TRUE, NULL);
-
- /* adding this superfluous capsfilter makes linking cheaper */
- to_caps_no_par = gst_caps_copy (to_caps);
- gst_structure_remove_field (gst_caps_get_structure (to_caps_no_par, 0),
- "pixel-aspect-ratio");
- g_object_set (filter1, "caps", to_caps_no_par, NULL);
- gst_caps_unref (to_caps_no_par);
-
- g_object_set (filter2, "caps", to_caps, NULL);
-
- g_signal_connect (sink, "handoff", G_CALLBACK (save_result), &result);
-
- g_object_set (sink, "preroll-queue-len", 1, "signal-handoffs", TRUE, NULL);
-
- /* FIXME: linking is still way too expensive, profile this properly */
- GST_DEBUG ("linking src->csp");
- if (!gst_element_link_pads (src, "src", csp, "sink"))
- return NULL;
-
- GST_DEBUG ("linking csp->filter1");
- if (!gst_element_link_pads (csp, "src", filter1, "sink"))
- return NULL;
-
- GST_DEBUG ("linking filter1->vscale");
- if (!gst_element_link_pads (filter1, "src", vscale, "sink"))
- return NULL;
-
- GST_DEBUG ("linking vscale->capsfilter");
- if (!gst_element_link_pads (vscale, "src", filter2, "sink"))
- return NULL;
-
- GST_DEBUG ("linking capsfilter->sink");
- if (!gst_element_link_pads (filter2, "src", sink, "sink"))
- return NULL;
-
- GST_DEBUG ("running conversion pipeline");
- gst_element_set_state (pipeline, GST_STATE_PLAYING);
-
- bus = gst_element_get_bus (pipeline);
- msg =
- gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_EOS, 25 * GST_SECOND);
-
- if (msg) {
- switch (GST_MESSAGE_TYPE (msg)) {
- case GST_MESSAGE_EOS:{
- if (result) {
- GST_DEBUG ("conversion successful: result = %p", result);
- } else {
- GST_WARNING ("EOS but no result frame?!");
- }
- break;
- }
- case GST_MESSAGE_ERROR:{
- gchar *dbg = NULL;
-
- gst_message_parse_error (msg, &error, &dbg);
- if (error) {
- g_warning ("Could not take screenshot: %s", error->message);
- GST_DEBUG ("%s [debug: %s]", error->message, GST_STR_NULL (dbg));
- g_error_free (error);
- } else {
- g_warning ("Could not take screenshot (and NULL error!)");
- }
- g_free (dbg);
- result = NULL;
- break;
- }
- default:{
- g_return_val_if_reached (NULL);
- }
- }
- gst_message_unref (msg);
- } else {
- g_warning ("Could not take screenshot: %s", "timeout during conversion");
- result = NULL;
- }
-
- gst_element_set_state (pipeline, GST_STATE_NULL);
- gst_object_unref (pipeline);
-
- return result;
-
- /* ERRORS */
-no_elements:
- {
- g_warning ("Could not take screenshot: %s", error->message);
- g_error_free (error);
- return NULL;
- }
-no_pipeline:
- {
- g_warning ("Could not take screenshot: %s", "no pipeline (unknown error)");
- return NULL;
- }
-}
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