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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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691 lines
20 KiB
C
691 lines
20 KiB
C
/*
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* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) 2002,2007 David A. Schleef <ds@schleef.org>
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:element-gltestsrc
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*
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* <refsect2>
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* <para>
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* The gltestsrc element is used to produce test video texture.
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* The video test produced can be controlled with the "pattern"
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* property.
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* </para>
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* <title>Example launch line</title>
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* <para>
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* <programlisting>
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* gst-launch -v gltestsrc pattern=smpte ! glimagesink
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* </programlisting>
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* Shows original SMPTE color bars in a window.
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* </para>
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstgltestsrc.h"
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#include "gltestsrc.h"
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#include <gst/gst-i18n-plugin.h>
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#define USE_PEER_BUFFERALLOC
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GST_DEBUG_CATEGORY_STATIC (gl_test_src_debug);
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#define GST_CAT_DEFAULT gl_test_src_debug
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enum
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{
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PROP_0,
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PROP_PATTERN,
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PROP_TIMESTAMP_OFFSET,
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PROP_IS_LIVE
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/* FILL ME */
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};
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GST_BOILERPLATE (GstGLTestSrc, gst_gl_test_src, GstPushSrc, GST_TYPE_PUSH_SRC);
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static void gst_gl_test_src_set_pattern (GstGLTestSrc * gltestsrc,
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int pattern_type);
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static void gst_gl_test_src_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_gl_test_src_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static gboolean gst_gl_test_src_src_query (GstPad * pad, GstQuery * query);
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static gboolean gst_gl_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps);
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static void gst_gl_test_src_src_fixate (GstPad * pad, GstCaps * caps);
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static gboolean gst_gl_test_src_is_seekable (GstBaseSrc * psrc);
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static gboolean gst_gl_test_src_do_seek (GstBaseSrc * bsrc,
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GstSegment * segment);
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static gboolean gst_gl_test_src_query (GstBaseSrc * bsrc, GstQuery * query);
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static void gst_gl_test_src_get_times (GstBaseSrc * basesrc,
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GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
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static GstFlowReturn gst_gl_test_src_create (GstPushSrc * psrc,
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GstBuffer ** buffer);
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static gboolean gst_gl_test_src_start (GstBaseSrc * basesrc);
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static gboolean gst_gl_test_src_stop (GstBaseSrc * basesrc);
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static void gst_gl_test_src_callback (gint width, gint height, guint texture,
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gpointer stuff);
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#define GST_TYPE_GL_TEST_SRC_PATTERN (gst_gl_test_src_pattern_get_type ())
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static GType
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gst_gl_test_src_pattern_get_type (void)
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{
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static GType gl_test_src_pattern_type = 0;
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static const GEnumValue pattern_types[] = {
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{GST_GL_TEST_SRC_SMPTE, "SMPTE 100% color bars", "smpte"},
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{GST_GL_TEST_SRC_SNOW, "Random (television snow)", "snow"},
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{GST_GL_TEST_SRC_BLACK, "100% Black", "black"},
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{GST_GL_TEST_SRC_WHITE, "100% White", "white"},
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{GST_GL_TEST_SRC_RED, "Red", "red"},
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{GST_GL_TEST_SRC_GREEN, "Green", "green"},
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{GST_GL_TEST_SRC_BLUE, "Blue", "blue"},
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{GST_GL_TEST_SRC_CHECKERS1, "Checkers 1px", "checkers-1"},
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{GST_GL_TEST_SRC_CHECKERS2, "Checkers 2px", "checkers-2"},
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{GST_GL_TEST_SRC_CHECKERS4, "Checkers 4px", "checkers-4"},
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{GST_GL_TEST_SRC_CHECKERS8, "Checkers 8px", "checkers-8"},
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{GST_GL_TEST_SRC_CIRCULAR, "Circular", "circular"},
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{GST_GL_TEST_SRC_BLINK, "Blink", "blink"},
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{0, NULL, NULL}
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};
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if (!gl_test_src_pattern_type) {
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gl_test_src_pattern_type =
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g_enum_register_static ("GstGLTestSrcPattern", pattern_types);
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}
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return gl_test_src_pattern_type;
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}
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static void
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gst_gl_test_src_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_set_details_simple (element_class, "Video test source",
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"Source/Video", "Creates a test video stream",
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"David A. Schleef <ds@schleef.org>");
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gst_element_class_add_pad_template (element_class,
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gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
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gst_caps_from_string (GST_GL_VIDEO_CAPS)));
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}
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static void
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gst_gl_test_src_class_init (GstGLTestSrcClass * klass)
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{
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GObjectClass *gobject_class;
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GstBaseSrcClass *gstbasesrc_class;
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GstPushSrcClass *gstpushsrc_class;
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GST_DEBUG_CATEGORY_INIT (gl_test_src_debug, "gltestsrc", 0,
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"Video Test Source");
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gobject_class = (GObjectClass *) klass;
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gstbasesrc_class = (GstBaseSrcClass *) klass;
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gstpushsrc_class = (GstPushSrcClass *) klass;
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gobject_class->set_property = gst_gl_test_src_set_property;
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gobject_class->get_property = gst_gl_test_src_get_property;
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g_object_class_install_property (gobject_class, PROP_PATTERN,
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g_param_spec_enum ("pattern", "Pattern",
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"Type of test pattern to generate", GST_TYPE_GL_TEST_SRC_PATTERN,
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GST_GL_TEST_SRC_SMPTE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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PROP_TIMESTAMP_OFFSET, g_param_spec_int64 ("timestamp-offset",
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"Timestamp offset",
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"An offset added to timestamps set on buffers (in ns)", G_MININT64,
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G_MAXINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_IS_LIVE,
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g_param_spec_boolean ("is-live", "Is Live",
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"Whether to act as a live source", FALSE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gstbasesrc_class->set_caps = gst_gl_test_src_setcaps;
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gstbasesrc_class->is_seekable = gst_gl_test_src_is_seekable;
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gstbasesrc_class->do_seek = gst_gl_test_src_do_seek;
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gstbasesrc_class->query = gst_gl_test_src_query;
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gstbasesrc_class->get_times = gst_gl_test_src_get_times;
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gstbasesrc_class->start = gst_gl_test_src_start;
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gstbasesrc_class->stop = gst_gl_test_src_stop;
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gstpushsrc_class->create = gst_gl_test_src_create;
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}
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static void
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gst_gl_test_src_init (GstGLTestSrc * src, GstGLTestSrcClass * g_class)
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{
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GstPad *pad = GST_BASE_SRC_PAD (src);
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gst_pad_set_fixatecaps_function (pad, gst_gl_test_src_src_fixate);
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gst_gl_test_src_set_pattern (src, GST_GL_TEST_SRC_SMPTE);
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src->timestamp_offset = 0;
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/* we operate in time */
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gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
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gst_base_src_set_live (GST_BASE_SRC (src), FALSE);
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gst_pad_set_query_function (pad,
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GST_DEBUG_FUNCPTR (gst_gl_test_src_src_query));
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}
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static void
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gst_gl_test_src_src_fixate (GstPad * pad, GstCaps * caps)
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{
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GstStructure *structure;
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GST_DEBUG ("fixate");
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structure = gst_caps_get_structure (caps, 0);
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gst_structure_fixate_field_nearest_int (structure, "width", 320);
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gst_structure_fixate_field_nearest_int (structure, "height", 240);
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gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
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}
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static void
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gst_gl_test_src_set_pattern (GstGLTestSrc * gltestsrc, gint pattern_type)
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{
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gltestsrc->pattern_type = pattern_type;
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GST_DEBUG_OBJECT (gltestsrc, "setting pattern to %d", pattern_type);
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switch (pattern_type) {
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case GST_GL_TEST_SRC_SMPTE:
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gltestsrc->make_image = gst_gl_test_src_smpte;
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break;
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case GST_GL_TEST_SRC_SNOW:
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gltestsrc->make_image = gst_gl_test_src_snow;
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break;
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case GST_GL_TEST_SRC_BLACK:
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gltestsrc->make_image = gst_gl_test_src_black;
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break;
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case GST_GL_TEST_SRC_WHITE:
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gltestsrc->make_image = gst_gl_test_src_white;
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break;
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case GST_GL_TEST_SRC_RED:
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gltestsrc->make_image = gst_gl_test_src_red;
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break;
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case GST_GL_TEST_SRC_GREEN:
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gltestsrc->make_image = gst_gl_test_src_green;
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break;
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case GST_GL_TEST_SRC_BLUE:
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gltestsrc->make_image = gst_gl_test_src_blue;
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break;
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case GST_GL_TEST_SRC_CHECKERS1:
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gltestsrc->make_image = gst_gl_test_src_checkers1;
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break;
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case GST_GL_TEST_SRC_CHECKERS2:
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gltestsrc->make_image = gst_gl_test_src_checkers2;
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break;
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case GST_GL_TEST_SRC_CHECKERS4:
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gltestsrc->make_image = gst_gl_test_src_checkers4;
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break;
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case GST_GL_TEST_SRC_CHECKERS8:
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gltestsrc->make_image = gst_gl_test_src_checkers8;
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break;
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case GST_GL_TEST_SRC_CIRCULAR:
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gltestsrc->make_image = gst_gl_test_src_circular;
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break;
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case GST_GL_TEST_SRC_BLINK:
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gltestsrc->make_image = gst_gl_test_src_black;
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break;
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default:
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g_assert_not_reached ();
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}
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}
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static void
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gst_gl_test_src_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstGLTestSrc *src = GST_GL_TEST_SRC (object);
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switch (prop_id) {
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case PROP_PATTERN:
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gst_gl_test_src_set_pattern (src, g_value_get_enum (value));
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break;
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case PROP_TIMESTAMP_OFFSET:
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src->timestamp_offset = g_value_get_int64 (value);
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break;
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case PROP_IS_LIVE:
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gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
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break;
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default:
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break;
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}
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}
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static void
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gst_gl_test_src_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstGLTestSrc *src = GST_GL_TEST_SRC (object);
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switch (prop_id) {
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case PROP_PATTERN:
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g_value_set_enum (value, src->pattern_type);
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break;
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case PROP_TIMESTAMP_OFFSET:
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g_value_set_int64 (value, src->timestamp_offset);
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break;
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case PROP_IS_LIVE:
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g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
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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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}
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}
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static gboolean
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gst_gl_test_src_src_query (GstPad * pad, GstQuery * query)
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{
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gboolean res = FALSE;
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GstElement *parent = GST_ELEMENT (gst_pad_get_parent (pad));
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_CUSTOM:
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{
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GstStructure *structure = gst_query_get_structure (query);
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res =
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g_strcmp0 (gst_element_get_name (parent),
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gst_structure_get_name (structure)) == 0;
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break;
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}
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default:
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res = gst_pad_query_default (pad, query);
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break;
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}
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gst_object_unref (parent);
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return res;
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}
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static gboolean
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gst_gl_test_src_parse_caps (const GstCaps * caps,
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gint * width, gint * height, gint * rate_numerator, gint * rate_denominator)
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{
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const GstStructure *structure;
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GstPadLinkReturn ret;
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const GValue *framerate;
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GST_DEBUG ("parsing caps");
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if (gst_caps_get_size (caps) < 1)
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return FALSE;
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structure = gst_caps_get_structure (caps, 0);
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ret = gst_structure_get_int (structure, "width", width);
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ret &= gst_structure_get_int (structure, "height", height);
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framerate = gst_structure_get_value (structure, "framerate");
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if (framerate) {
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*rate_numerator = gst_value_get_fraction_numerator (framerate);
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*rate_denominator = gst_value_get_fraction_denominator (framerate);
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} else
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goto no_framerate;
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return ret;
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/* ERRORS */
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no_framerate:
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{
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GST_DEBUG ("gltestsrc no framerate given");
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return FALSE;
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}
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}
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static gboolean
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gst_gl_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
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{
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gboolean res = FALSE;
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gint width, height, rate_denominator, rate_numerator;
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GstGLTestSrc *gltestsrc = GST_GL_TEST_SRC (bsrc);
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GST_DEBUG ("setcaps");
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res = gst_gl_test_src_parse_caps (caps, &width, &height,
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&rate_numerator, &rate_denominator);
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if (res) {
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/* looks ok here */
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gltestsrc->width = width;
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gltestsrc->height = height;
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gltestsrc->rate_numerator = rate_numerator;
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gltestsrc->rate_denominator = rate_denominator;
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gltestsrc->negotiated = TRUE;
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GST_DEBUG_OBJECT (gltestsrc, "size %dx%d, %d/%d fps",
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gltestsrc->width, gltestsrc->height,
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gltestsrc->rate_numerator, gltestsrc->rate_denominator);
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res = gst_gl_display_gen_fbo (gltestsrc->display, gltestsrc->width,
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gltestsrc->height, &gltestsrc->fbo, &gltestsrc->depthbuffer);
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if (!res)
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GST_ELEMENT_ERROR (gltestsrc, RESOURCE, NOT_FOUND,
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(GST_GL_DISPLAY_ERR_MSG (gltestsrc->display)), (NULL));
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}
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return res;
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}
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static gboolean
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gst_gl_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
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{
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gboolean res;
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GstGLTestSrc *src;
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src = GST_GL_TEST_SRC (bsrc);
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switch (GST_QUERY_TYPE (query)) {
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case GST_QUERY_CONVERT:
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{
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GstFormat src_fmt, dest_fmt;
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gint64 src_val, dest_val;
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gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
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if (src_fmt == dest_fmt) {
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dest_val = src_val;
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goto done;
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}
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switch (src_fmt) {
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case GST_FORMAT_DEFAULT:
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switch (dest_fmt) {
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case GST_FORMAT_TIME:
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/* frames to time */
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if (src->rate_numerator) {
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dest_val = gst_util_uint64_scale (src_val,
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src->rate_denominator * GST_SECOND, src->rate_numerator);
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} else
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dest_val = 0;
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break;
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default:
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goto error;
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}
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break;
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case GST_FORMAT_TIME:
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switch (dest_fmt) {
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case GST_FORMAT_DEFAULT:
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/* time to frames */
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if (src->rate_numerator) {
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dest_val = gst_util_uint64_scale (src_val,
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src->rate_numerator, src->rate_denominator * GST_SECOND);
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} else
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dest_val = 0;
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break;
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default:
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goto error;
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}
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break;
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default:
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goto error;
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}
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done:
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gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
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res = TRUE;
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break;
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}
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default:
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res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
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}
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return res;
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/* ERROR */
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error:
|
|
{
|
|
GST_DEBUG_OBJECT (src, "query failed");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_gl_test_src_get_times (GstBaseSrc * basesrc, GstBuffer * buffer,
|
|
GstClockTime * start, GstClockTime * end)
|
|
{
|
|
/* for live sources, sync on the timestamp of the buffer */
|
|
if (gst_base_src_is_live (basesrc)) {
|
|
GstClockTime timestamp = GST_BUFFER_TIMESTAMP (buffer);
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
|
|
/* get duration to calculate end time */
|
|
GstClockTime duration = GST_BUFFER_DURATION (buffer);
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (duration))
|
|
*end = timestamp + duration;
|
|
*start = timestamp;
|
|
}
|
|
} else {
|
|
*start = -1;
|
|
*end = -1;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_test_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
|
|
{
|
|
GstClockTime time;
|
|
GstGLTestSrc *src;
|
|
|
|
src = GST_GL_TEST_SRC (bsrc);
|
|
|
|
segment->time = segment->start;
|
|
time = segment->last_stop;
|
|
|
|
/* now move to the time indicated */
|
|
if (src->rate_numerator) {
|
|
src->n_frames = gst_util_uint64_scale (time,
|
|
src->rate_numerator, src->rate_denominator * GST_SECOND);
|
|
} else
|
|
src->n_frames = 0;
|
|
|
|
if (src->rate_numerator) {
|
|
src->running_time = gst_util_uint64_scale (src->n_frames,
|
|
src->rate_denominator * GST_SECOND, src->rate_numerator);
|
|
} else {
|
|
/* FIXME : Not sure what to set here */
|
|
src->running_time = 0;
|
|
}
|
|
|
|
g_assert (src->running_time <= time);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_test_src_is_seekable (GstBaseSrc * psrc)
|
|
{
|
|
/* we're seekable... */
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_gl_test_src_create (GstPushSrc * psrc, GstBuffer ** buffer)
|
|
{
|
|
GstGLTestSrc *src;
|
|
GstGLBuffer *outbuf;
|
|
|
|
//GstFlowReturn res;
|
|
GstClockTime next_time;
|
|
|
|
src = GST_GL_TEST_SRC (psrc);
|
|
|
|
if (G_UNLIKELY (!src->negotiated))
|
|
goto not_negotiated;
|
|
|
|
/* 0 framerate and we are at the second frame, eos */
|
|
if (G_UNLIKELY (src->rate_numerator == 0 && src->n_frames == 1))
|
|
goto eos;
|
|
|
|
GST_LOG_OBJECT (src, "creating buffer %dx%d image for frame %d",
|
|
src->width, src->height, (gint) src->n_frames);
|
|
|
|
outbuf = gst_gl_buffer_new (src->display, src->width, src->height);
|
|
|
|
if (!outbuf->texture) {
|
|
gst_buffer_unref (GST_BUFFER_CAST (outbuf));
|
|
goto eos;
|
|
}
|
|
|
|
gst_buffer_set_caps (GST_BUFFER (outbuf),
|
|
GST_PAD_CAPS (GST_BASE_SRC_PAD (psrc)));
|
|
|
|
if (src->pattern_type == GST_GL_TEST_SRC_BLINK) {
|
|
if (src->n_frames & 0x1)
|
|
src->make_image = gst_gl_test_src_white;
|
|
else
|
|
src->make_image = gst_gl_test_src_black;
|
|
}
|
|
|
|
src->buffer = outbuf;
|
|
|
|
//blocking call, generate a FBO
|
|
if (!gst_gl_display_use_fbo (src->display, src->width, src->height, src->fbo, src->depthbuffer, outbuf->texture, gst_gl_test_src_callback, 0, 0, 0, //no input texture
|
|
0, src->width, 0, src->height,
|
|
GST_GL_DISPLAY_PROJECTION_ORTHO2D, (gpointer) src)) {
|
|
gst_buffer_unref (GST_BUFFER_CAST (outbuf));
|
|
goto eos;
|
|
}
|
|
|
|
GST_BUFFER_TIMESTAMP (GST_BUFFER (outbuf)) =
|
|
src->timestamp_offset + src->running_time;
|
|
GST_BUFFER_OFFSET (GST_BUFFER (outbuf)) = src->n_frames;
|
|
src->n_frames++;
|
|
GST_BUFFER_OFFSET_END (GST_BUFFER (outbuf)) = src->n_frames;
|
|
if (src->rate_numerator) {
|
|
next_time = gst_util_uint64_scale_int (src->n_frames * GST_SECOND,
|
|
src->rate_denominator, src->rate_numerator);
|
|
GST_BUFFER_DURATION (GST_BUFFER (outbuf)) = next_time - src->running_time;
|
|
} else {
|
|
next_time = src->timestamp_offset;
|
|
/* NONE means forever */
|
|
GST_BUFFER_DURATION (GST_BUFFER (outbuf)) = GST_CLOCK_TIME_NONE;
|
|
}
|
|
|
|
src->running_time = next_time;
|
|
|
|
*buffer = GST_BUFFER (outbuf);
|
|
|
|
return GST_FLOW_OK;
|
|
|
|
not_negotiated:
|
|
{
|
|
GST_ELEMENT_ERROR (src, CORE, NEGOTIATION, (NULL),
|
|
(_("format wasn't negotiated before get function")));
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
eos:
|
|
{
|
|
GST_DEBUG_OBJECT (src, "eos: 0 framerate, frame %d", (gint) src->n_frames);
|
|
return GST_FLOW_UNEXPECTED;
|
|
}
|
|
#if 0
|
|
no_buffer:
|
|
{
|
|
GST_DEBUG_OBJECT (src, "could not allocate buffer, reason %s",
|
|
gst_flow_get_name (res));
|
|
return res;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_test_src_start (GstBaseSrc * basesrc)
|
|
{
|
|
GstGLTestSrc *src = GST_GL_TEST_SRC (basesrc);
|
|
GstElement *parent = GST_ELEMENT (gst_element_get_parent (src));
|
|
GstStructure *structure = NULL;
|
|
GstQuery *query = NULL;
|
|
gboolean isPerformed = FALSE;
|
|
|
|
if (!parent) {
|
|
GST_ELEMENT_ERROR (src, CORE, STATE_CHANGE, (NULL),
|
|
("A parent bin is required"));
|
|
return FALSE;
|
|
}
|
|
|
|
structure = gst_structure_new (gst_element_get_name (src), NULL);
|
|
query = gst_query_new_application (GST_QUERY_CUSTOM, structure);
|
|
|
|
isPerformed = gst_element_query (parent, query);
|
|
|
|
if (isPerformed) {
|
|
const GValue *id_value =
|
|
gst_structure_get_value (structure, "gstgldisplay");
|
|
if (G_VALUE_HOLDS_POINTER (id_value))
|
|
/* at least one gl element is before in our gl chain */
|
|
src->display =
|
|
g_object_ref (GST_GL_DISPLAY (g_value_get_pointer (id_value)));
|
|
else {
|
|
/* this gl filter is a sink in terms of the gl chain */
|
|
src->display = gst_gl_display_new ();
|
|
isPerformed = gst_gl_display_create_context (src->display, 0);
|
|
|
|
if (!isPerformed)
|
|
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND,
|
|
(GST_GL_DISPLAY_ERR_MSG (src->display)), (NULL));
|
|
}
|
|
}
|
|
|
|
gst_query_unref (query);
|
|
gst_object_unref (GST_OBJECT (parent));
|
|
|
|
src->running_time = 0;
|
|
src->n_frames = 0;
|
|
src->negotiated = FALSE;
|
|
|
|
return isPerformed;
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_test_src_stop (GstBaseSrc * basesrc)
|
|
{
|
|
GstGLTestSrc *src = GST_GL_TEST_SRC (basesrc);
|
|
|
|
if (src->display) {
|
|
//blocking call, delete the FBO
|
|
gst_gl_display_del_fbo (src->display, src->fbo, src->depthbuffer);
|
|
g_object_unref (src->display);
|
|
src->display = NULL;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//opengl scene
|
|
static void
|
|
gst_gl_test_src_callback (gint width, gint height, guint texture,
|
|
gpointer stuff)
|
|
{
|
|
GstGLTestSrc *src = GST_GL_TEST_SRC (stuff);
|
|
|
|
src->make_image (src, src->buffer, src->width, src->height);
|
|
}
|