mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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b99ecc78ca
GLib guarantees libintl is always present, using proxy-libintl as last resort. There is no need to mock gettex API any more. This fix static build on Windows because G_INTL_STATIC_COMPILATION must be defined before including libintl.h, and glib does it for us as part as including glib.h. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2028>
309 lines
9.5 KiB
C
309 lines
9.5 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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* Copyright (C) 2015 Matthew Waters <matthew@centricular.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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-gltestsrc
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* @title: gltestsrc
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*
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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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*
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* ## Example launch line
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*
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* |[
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* gst-launch-1.0 -v gltestsrc pattern=smpte ! glimagesink
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* ]|
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* Shows original SMPTE color bars in a window.
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*
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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 <gst/gl/gstglfuncs.h>
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#include <glib/gi18n-lib.h>
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#include "gstglelements.h"
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#include "gstgltestsrc.h"
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#include "gltestsrc.h"
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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_IS_LIVE
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/* FILL ME */
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};
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/* *INDENT-OFF* */
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw(" GST_CAPS_FEATURE_MEMORY_GL_MEMORY "), "
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"format = (string) RGBA, "
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"width = " GST_VIDEO_SIZE_RANGE ", "
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"height = " GST_VIDEO_SIZE_RANGE ", "
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"framerate = " GST_VIDEO_FPS_RANGE ","
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"texture-target = (string) 2D")
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);
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/* *INDENT-ON* */
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#define gst_gl_test_src_parent_class parent_class
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G_DEFINE_TYPE (GstGLTestSrc, gst_gl_test_src, GST_TYPE_GL_BASE_SRC);
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GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (gltestsrc, "gltestsrc",
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GST_RANK_NONE, GST_TYPE_GL_TEST_SRC, gl_element_init (plugin));
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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 GstCaps *gst_gl_test_src_fixate (GstBaseSrc * bsrc, 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_callback (gpointer stuff);
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static gboolean gst_gl_test_src_gl_start (GstGLBaseSrc * src);
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static void gst_gl_test_src_gl_stop (GstGLBaseSrc * src);
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static gboolean gst_gl_test_src_fill_memory (GstGLBaseSrc * src,
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GstGLMemory * memory);
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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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{GST_GL_TEST_SRC_MANDELBROT, "Mandelbrot Fractal", "mandelbrot"},
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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_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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GstGLBaseSrcClass *gstglbasesrc_class;
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GstElementClass *element_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 = G_OBJECT_CLASS (klass);
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gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
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gstglbasesrc_class = GST_GL_BASE_SRC_CLASS (klass);
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element_class = GST_ELEMENT_CLASS (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, 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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gst_element_class_set_metadata (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_static_pad_template (element_class, &src_factory);
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gstbasesrc_class->is_seekable = gst_gl_test_src_is_seekable;
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gstbasesrc_class->fixate = gst_gl_test_src_fixate;
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gstglbasesrc_class->supported_gl_api =
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GST_GL_API_OPENGL | GST_GL_API_OPENGL3 | GST_GL_API_GLES2;
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gstglbasesrc_class->gl_start = gst_gl_test_src_gl_start;
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gstglbasesrc_class->gl_stop = gst_gl_test_src_gl_stop;
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gstglbasesrc_class->fill_gl_memory = gst_gl_test_src_fill_memory;
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gst_type_mark_as_plugin_api (GST_TYPE_GL_TEST_SRC_PATTERN, 0);
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}
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static void
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gst_gl_test_src_init (GstGLTestSrc * src)
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{
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gst_gl_test_src_set_pattern (src, GST_GL_TEST_SRC_SMPTE);
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}
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static GstCaps *
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gst_gl_test_src_fixate (GstBaseSrc * bsrc, GstCaps * caps)
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{
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GstStructure *structure;
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GST_DEBUG ("fixate");
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caps = gst_caps_make_writable (caps);
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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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caps = GST_BASE_SRC_CLASS (parent_class)->fixate (bsrc, caps);
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return caps;
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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->set_pattern = pattern_type;
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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_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->set_pattern);
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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_is_seekable (GstBaseSrc * psrc)
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{
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/* we're seekable... */
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return TRUE;
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}
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static gboolean
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gst_gl_test_src_callback (gpointer stuff)
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{
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GstGLTestSrc *src = GST_GL_TEST_SRC (stuff);
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GstGLBaseSrc *glbasesrc = GST_GL_BASE_SRC (src);
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const struct SrcFuncs *funcs;
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funcs = src->src_funcs;
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if (!funcs || src->set_pattern != src->active_pattern) {
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if (src->src_impl && funcs)
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funcs->free (src->src_impl);
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src->src_funcs = funcs =
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gst_gl_test_src_get_src_funcs_for_pattern (src->set_pattern);
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if (funcs == NULL) {
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GST_ERROR_OBJECT (src, "Could not find an implementation of the "
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"requested pattern");
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return FALSE;
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}
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src->src_impl = funcs->new (src);
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if (!funcs->init (src->src_impl, glbasesrc->context, &glbasesrc->out_info)) {
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GST_ERROR_OBJECT (src, "Failed to initialize pattern");
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return FALSE;
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}
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src->active_pattern = src->set_pattern;
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}
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return funcs->fill_bound_fbo (src->src_impl);
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}
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static gboolean
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gst_gl_test_src_fill_memory (GstGLBaseSrc * src, GstGLMemory * memory)
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{
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GstGLTestSrc *test_src = GST_GL_TEST_SRC (src);
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return gst_gl_framebuffer_draw_to_texture (test_src->fbo, memory,
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gst_gl_test_src_callback, test_src);
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}
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static gboolean
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gst_gl_test_src_gl_start (GstGLBaseSrc * bsrc)
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{
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GstGLTestSrc *src = GST_GL_TEST_SRC (bsrc);
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src->fbo = gst_gl_framebuffer_new_with_default_depth (bsrc->context,
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GST_VIDEO_INFO_WIDTH (&bsrc->out_info),
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GST_VIDEO_INFO_HEIGHT (&bsrc->out_info));
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return TRUE;
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}
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static void
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gst_gl_test_src_gl_stop (GstGLBaseSrc * bsrc)
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{
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GstGLTestSrc *src = GST_GL_TEST_SRC (bsrc);
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if (src->fbo)
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gst_object_unref (src->fbo);
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src->fbo = NULL;
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if (src->src_impl)
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src->src_funcs->free (src->src_impl);
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src->src_impl = NULL;
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src->src_funcs = NULL;
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}
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