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8d14994bb5
Simple bar with foreground color on the background color
955 lines
31 KiB
C
955 lines
31 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2002> David A. Schleef <ds@schleef.org>
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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-videotestsrc
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*
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* The videotestsrc element is used to produce test video data in a wide variaty
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* of formats. The video test data produced can be controlled with the "pattern"
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* property.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch -v videotestsrc pattern=snow ! ximagesink
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* ]| Shows random noise in an X window.
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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 "gstvideotestsrc.h"
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#include "gstvideotestsrcorc.h"
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#include "videotestsrc.h"
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#include <string.h>
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#include <stdlib.h>
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GST_DEBUG_CATEGORY_STATIC (video_test_src_debug);
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#define GST_CAT_DEFAULT video_test_src_debug
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#define DEFAULT_PATTERN GST_VIDEO_TEST_SRC_SMPTE
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#define DEFAULT_TIMESTAMP_OFFSET 0
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#define DEFAULT_IS_LIVE FALSE
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#define DEFAULT_PEER_ALLOC TRUE
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#define DEFAULT_COLOR_SPEC GST_VIDEO_TEST_SRC_BT601
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#define DEFAULT_FOREGROUND_COLOR 0xffffffff
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#define DEFAULT_BACKGROUND_COLOR 0xff000000
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#define DEFAULT_HORIZONTAL_SPEED 0
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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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PROP_PEER_ALLOC,
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PROP_COLOR_SPEC,
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PROP_K0,
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PROP_KX,
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PROP_KY,
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PROP_KT,
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PROP_KXT,
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PROP_KYT,
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PROP_KXY,
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PROP_KX2,
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PROP_KY2,
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PROP_KT2,
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PROP_XOFFSET,
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PROP_YOFFSET,
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PROP_FOREGROUND_COLOR,
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PROP_BACKGROUND_COLOR,
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PROP_HORIZONTAL_SPEED,
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PROP_LAST
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};
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GST_BOILERPLATE (GstVideoTestSrc, gst_video_test_src, GstPushSrc,
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GST_TYPE_PUSH_SRC);
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static void gst_video_test_src_set_pattern (GstVideoTestSrc * videotestsrc,
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int pattern_type);
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static void gst_video_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_video_test_src_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstCaps *gst_video_test_src_getcaps (GstBaseSrc * bsrc);
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static gboolean gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps);
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static void gst_video_test_src_src_fixate (GstPad * pad, GstCaps * caps);
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static gboolean gst_video_test_src_is_seekable (GstBaseSrc * psrc);
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static gboolean gst_video_test_src_do_seek (GstBaseSrc * bsrc,
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GstSegment * segment);
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static gboolean gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query);
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static void gst_video_test_src_get_times (GstBaseSrc * basesrc,
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GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
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static GstFlowReturn gst_video_test_src_create (GstPushSrc * psrc,
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GstBuffer ** buffer);
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static gboolean gst_video_test_src_start (GstBaseSrc * basesrc);
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#define GST_TYPE_VIDEO_TEST_SRC_PATTERN (gst_video_test_src_pattern_get_type ())
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static GType
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gst_video_test_src_pattern_get_type (void)
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{
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static GType video_test_src_pattern_type = 0;
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static const GEnumValue pattern_types[] = {
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{GST_VIDEO_TEST_SRC_SMPTE, "SMPTE 100% color bars", "smpte"},
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{GST_VIDEO_TEST_SRC_SNOW, "Random (television snow)", "snow"},
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{GST_VIDEO_TEST_SRC_BLACK, "100% Black", "black"},
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{GST_VIDEO_TEST_SRC_WHITE, "100% White", "white"},
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{GST_VIDEO_TEST_SRC_RED, "Red", "red"},
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{GST_VIDEO_TEST_SRC_GREEN, "Green", "green"},
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{GST_VIDEO_TEST_SRC_BLUE, "Blue", "blue"},
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{GST_VIDEO_TEST_SRC_CHECKERS1, "Checkers 1px", "checkers-1"},
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{GST_VIDEO_TEST_SRC_CHECKERS2, "Checkers 2px", "checkers-2"},
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{GST_VIDEO_TEST_SRC_CHECKERS4, "Checkers 4px", "checkers-4"},
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{GST_VIDEO_TEST_SRC_CHECKERS8, "Checkers 8px", "checkers-8"},
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{GST_VIDEO_TEST_SRC_CIRCULAR, "Circular", "circular"},
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{GST_VIDEO_TEST_SRC_BLINK, "Blink", "blink"},
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{GST_VIDEO_TEST_SRC_SMPTE75, "SMPTE 75% color bars", "smpte75"},
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{GST_VIDEO_TEST_SRC_ZONE_PLATE, "Zone plate", "zone-plate"},
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{GST_VIDEO_TEST_SRC_GAMUT, "Gamut checkers", "gamut"},
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{GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE, "Chroma zone plate",
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"chroma-zone-plate"},
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{GST_VIDEO_TEST_SRC_SOLID, "Solid color", "solid-color"},
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{GST_VIDEO_TEST_SRC_BALL, "Moving ball", "ball"},
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{GST_VIDEO_TEST_SRC_SMPTE100, "SMPTE 100% color bars", "smpte100"},
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{GST_VIDEO_TEST_SRC_BAR, "Bar", "bar"},
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{0, NULL, NULL}
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};
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if (!video_test_src_pattern_type) {
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video_test_src_pattern_type =
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g_enum_register_static ("GstVideoTestSrcPattern", pattern_types);
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}
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return video_test_src_pattern_type;
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}
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#define GST_TYPE_VIDEO_TEST_SRC_COLOR_SPEC (gst_video_test_src_color_spec_get_type ())
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static GType
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gst_video_test_src_color_spec_get_type (void)
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{
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static GType video_test_src_color_spec_type = 0;
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static const GEnumValue color_spec_types[] = {
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{GST_VIDEO_TEST_SRC_BT601, "ITU-R Rec. BT.601", "bt601"},
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{GST_VIDEO_TEST_SRC_BT709, "ITU-R Rec. BT.709", "bt709"},
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{0, NULL, NULL}
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};
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if (!video_test_src_color_spec_type) {
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video_test_src_color_spec_type =
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g_enum_register_static ("GstVideoTestSrcColorSpec", color_spec_types);
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}
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return video_test_src_color_spec_type;
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}
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static void
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gst_video_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,
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"Video test source", "Source/Video",
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"Creates a test video stream", "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_video_test_src_getcaps (NULL)));
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}
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static void
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gst_video_test_src_class_init (GstVideoTestSrcClass * 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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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_video_test_src_set_property;
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gobject_class->get_property = gst_video_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_VIDEO_TEST_SRC_PATTERN,
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DEFAULT_PATTERN, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_TIMESTAMP_OFFSET,
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g_param_spec_int64 ("timestamp-offset", "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", DEFAULT_IS_LIVE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_PEER_ALLOC,
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g_param_spec_boolean ("peer-alloc", "Peer Alloc",
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"Ask the peer to allocate an output buffer", DEFAULT_PEER_ALLOC,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_COLOR_SPEC,
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g_param_spec_enum ("colorspec", "Color Specification",
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"Generate video in the given color specification (Deprecated: "
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"use a caps filter with video/x-raw-yuv,color-matrix=\"sdtv\" or "
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"\"hdtv\" instead)",
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GST_TYPE_VIDEO_TEST_SRC_COLOR_SPEC,
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DEFAULT_COLOR_SPEC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_K0,
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g_param_spec_int ("k0", "Zoneplate zero order phase",
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"Zoneplate zero order phase, for generating plain fields or phase offsets",
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G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KX,
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g_param_spec_int ("kx", "Zoneplate 1st order x phase",
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"Zoneplate 1st order x phase, for generating constant horizontal frequencies",
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G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KY,
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g_param_spec_int ("ky", "Zoneplate 1st order y phase",
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"Zoneplate 1st order y phase, for generating contant vertical frequencies",
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G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KT,
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g_param_spec_int ("kt", "Zoneplate 1st order t phase",
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"Zoneplate 1st order t phase, for generating phase rotation as a function of time",
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G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KXT,
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g_param_spec_int ("kxt", "Zoneplate x*t product phase",
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"Zoneplate x*t product phase, normalised to kxy/256 cycles per vertical pixel at width/2 from origin",
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G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KYT,
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g_param_spec_int ("kyt", "Zoneplate y*t product phase",
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"Zoneplate y*t product phase", G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KXY,
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g_param_spec_int ("kxy", "Zoneplate x*y product phase",
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"Zoneplate x*y product phase", G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KX2,
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g_param_spec_int ("kx2", "Zoneplate 2nd order x phase",
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"Zoneplate 2nd order x phase, normalised to kx2/256 cycles per horizontal pixel at width/2 from origin",
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G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KY2,
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g_param_spec_int ("ky2", "Zoneplate 2nd order y phase",
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"Zoneplate 2nd order y phase, normailsed to ky2/256 cycles per vertical pixel at height/2 from origin",
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G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_KT2,
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g_param_spec_int ("kt2", "Zoneplate 2nd order t phase",
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"Zoneplate 2nd order t phase, t*t/256 cycles per picture", G_MININT32,
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G_MAXINT32, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_XOFFSET,
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g_param_spec_int ("xoffset", "Zoneplate 2nd order products x offset",
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"Zoneplate 2nd order products x offset", G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_YOFFSET,
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g_param_spec_int ("yoffset", "Zoneplate 2nd order products y offset",
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"Zoneplate 2nd order products y offset", G_MININT32, G_MAXINT32, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstVideoTestSrc:foreground-color
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*
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* Color to use for solid-color pattern and foreground color of other
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* patterns. Default is white (0xffffffff).
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*
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* Since: 0.10.31
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**/
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g_object_class_install_property (gobject_class, PROP_FOREGROUND_COLOR,
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g_param_spec_uint ("foreground-color", "Foreground Color",
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"Foreground color to use (big-endian ARGB)", 0, G_MAXUINT32,
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DEFAULT_FOREGROUND_COLOR,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstVideoTestSrc:background-color
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*
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* Color to use for background color of some patterns. Default is
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* black (0xff000000).
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*
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* Since: 0.10.31
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**/
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g_object_class_install_property (gobject_class, PROP_BACKGROUND_COLOR,
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g_param_spec_uint ("background-color", "Background Color",
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"Background color to use (big-endian ARGB)", 0, G_MAXUINT32,
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DEFAULT_BACKGROUND_COLOR,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_HORIZONTAL_SPEED,
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g_param_spec_int ("horizontal-speed", "Horizontal Speed",
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"Scroll image number of pixels per frame (positive is scroll to the left)",
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G_MININT32, G_MAXINT32, DEFAULT_HORIZONTAL_SPEED,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gstbasesrc_class->get_caps = gst_video_test_src_getcaps;
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gstbasesrc_class->set_caps = gst_video_test_src_setcaps;
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gstbasesrc_class->is_seekable = gst_video_test_src_is_seekable;
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gstbasesrc_class->do_seek = gst_video_test_src_do_seek;
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gstbasesrc_class->query = gst_video_test_src_query;
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gstbasesrc_class->get_times = gst_video_test_src_get_times;
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gstbasesrc_class->start = gst_video_test_src_start;
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gstpushsrc_class->create = gst_video_test_src_create;
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}
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static void
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gst_video_test_src_init (GstVideoTestSrc * src, GstVideoTestSrcClass * 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_video_test_src_src_fixate);
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gst_video_test_src_set_pattern (src, DEFAULT_PATTERN);
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src->timestamp_offset = DEFAULT_TIMESTAMP_OFFSET;
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src->foreground_color = DEFAULT_FOREGROUND_COLOR;
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src->background_color = DEFAULT_BACKGROUND_COLOR;
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src->horizontal_speed = DEFAULT_HORIZONTAL_SPEED;
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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), DEFAULT_IS_LIVE);
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src->peer_alloc = DEFAULT_PEER_ALLOC;
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}
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static void
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gst_video_test_src_src_fixate (GstPad * pad, GstCaps * caps)
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{
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GstStructure *structure;
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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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if (gst_structure_has_field (structure, "pixel-aspect-ratio"))
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gst_structure_fixate_field_nearest_fraction (structure,
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"pixel-aspect-ratio", 1, 1);
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if (gst_structure_has_field (structure, "color-matrix"))
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gst_structure_fixate_field_string (structure, "color-matrix", "sdtv");
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if (gst_structure_has_field (structure, "chroma-site"))
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gst_structure_fixate_field_string (structure, "chroma-site", "mpeg2");
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if (gst_structure_has_field (structure, "interlaced"))
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gst_structure_fixate_field_boolean (structure, "interlaced", FALSE);
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}
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static void
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gst_video_test_src_set_pattern (GstVideoTestSrc * videotestsrc,
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int pattern_type)
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{
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videotestsrc->pattern_type = pattern_type;
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GST_DEBUG_OBJECT (videotestsrc, "setting pattern to %d", pattern_type);
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switch (pattern_type) {
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case GST_VIDEO_TEST_SRC_SMPTE:
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videotestsrc->make_image = gst_video_test_src_smpte;
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break;
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case GST_VIDEO_TEST_SRC_SNOW:
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videotestsrc->make_image = gst_video_test_src_snow;
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break;
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case GST_VIDEO_TEST_SRC_BLACK:
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videotestsrc->make_image = gst_video_test_src_black;
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break;
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case GST_VIDEO_TEST_SRC_WHITE:
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videotestsrc->make_image = gst_video_test_src_white;
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break;
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case GST_VIDEO_TEST_SRC_RED:
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videotestsrc->make_image = gst_video_test_src_red;
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break;
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case GST_VIDEO_TEST_SRC_GREEN:
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videotestsrc->make_image = gst_video_test_src_green;
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break;
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case GST_VIDEO_TEST_SRC_BLUE:
|
|
videotestsrc->make_image = gst_video_test_src_blue;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_CHECKERS1:
|
|
videotestsrc->make_image = gst_video_test_src_checkers1;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_CHECKERS2:
|
|
videotestsrc->make_image = gst_video_test_src_checkers2;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_CHECKERS4:
|
|
videotestsrc->make_image = gst_video_test_src_checkers4;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_CHECKERS8:
|
|
videotestsrc->make_image = gst_video_test_src_checkers8;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_CIRCULAR:
|
|
videotestsrc->make_image = gst_video_test_src_circular;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_BLINK:
|
|
videotestsrc->make_image = gst_video_test_src_blink;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_SMPTE75:
|
|
videotestsrc->make_image = gst_video_test_src_smpte75;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_ZONE_PLATE:
|
|
videotestsrc->make_image = gst_video_test_src_zoneplate;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_GAMUT:
|
|
videotestsrc->make_image = gst_video_test_src_gamut;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_CHROMA_ZONE_PLATE:
|
|
videotestsrc->make_image = gst_video_test_src_chromazoneplate;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_SOLID:
|
|
videotestsrc->make_image = gst_video_test_src_solid;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_BALL:
|
|
videotestsrc->make_image = gst_video_test_src_ball;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_SMPTE100:
|
|
videotestsrc->make_image = gst_video_test_src_smpte100;
|
|
break;
|
|
case GST_VIDEO_TEST_SRC_BAR:
|
|
videotestsrc->make_image = gst_video_test_src_bar;
|
|
break;
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_video_test_src_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_PATTERN:
|
|
gst_video_test_src_set_pattern (src, g_value_get_enum (value));
|
|
break;
|
|
case PROP_TIMESTAMP_OFFSET:
|
|
src->timestamp_offset = g_value_get_int64 (value);
|
|
break;
|
|
case PROP_IS_LIVE:
|
|
gst_base_src_set_live (GST_BASE_SRC (src), g_value_get_boolean (value));
|
|
break;
|
|
case PROP_PEER_ALLOC:
|
|
src->peer_alloc = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_COLOR_SPEC:
|
|
break;
|
|
case PROP_K0:
|
|
src->k0 = g_value_get_int (value);
|
|
break;
|
|
case PROP_KX:
|
|
src->kx = g_value_get_int (value);
|
|
break;
|
|
case PROP_KY:
|
|
src->ky = g_value_get_int (value);
|
|
break;
|
|
case PROP_KT:
|
|
src->kt = g_value_get_int (value);
|
|
break;
|
|
case PROP_KXT:
|
|
src->kxt = g_value_get_int (value);
|
|
break;
|
|
case PROP_KYT:
|
|
src->kyt = g_value_get_int (value);
|
|
break;
|
|
case PROP_KXY:
|
|
src->kxy = g_value_get_int (value);
|
|
break;
|
|
case PROP_KX2:
|
|
src->kx2 = g_value_get_int (value);
|
|
break;
|
|
case PROP_KY2:
|
|
src->ky2 = g_value_get_int (value);
|
|
break;
|
|
case PROP_KT2:
|
|
src->kt2 = g_value_get_int (value);
|
|
break;
|
|
case PROP_XOFFSET:
|
|
src->xoffset = g_value_get_int (value);
|
|
break;
|
|
case PROP_YOFFSET:
|
|
src->yoffset = g_value_get_int (value);
|
|
break;
|
|
case PROP_FOREGROUND_COLOR:
|
|
src->foreground_color = g_value_get_uint (value);
|
|
break;
|
|
case PROP_BACKGROUND_COLOR:
|
|
src->background_color = g_value_get_uint (value);
|
|
break;
|
|
case PROP_HORIZONTAL_SPEED:
|
|
src->horizontal_speed = g_value_get_int (value);
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_video_test_src_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_PATTERN:
|
|
g_value_set_enum (value, src->pattern_type);
|
|
break;
|
|
case PROP_TIMESTAMP_OFFSET:
|
|
g_value_set_int64 (value, src->timestamp_offset);
|
|
break;
|
|
case PROP_IS_LIVE:
|
|
g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (src)));
|
|
break;
|
|
case PROP_PEER_ALLOC:
|
|
g_value_set_boolean (value, src->peer_alloc);
|
|
break;
|
|
case PROP_COLOR_SPEC:
|
|
break;
|
|
case PROP_K0:
|
|
g_value_set_int (value, src->k0);
|
|
break;
|
|
case PROP_KX:
|
|
g_value_set_int (value, src->kx);
|
|
break;
|
|
case PROP_KY:
|
|
g_value_set_int (value, src->ky);
|
|
break;
|
|
case PROP_KT:
|
|
g_value_set_int (value, src->kt);
|
|
break;
|
|
case PROP_KXT:
|
|
g_value_set_int (value, src->kxt);
|
|
break;
|
|
case PROP_KYT:
|
|
g_value_set_int (value, src->kyt);
|
|
break;
|
|
case PROP_KXY:
|
|
g_value_set_int (value, src->kxy);
|
|
break;
|
|
case PROP_KX2:
|
|
g_value_set_int (value, src->kx2);
|
|
break;
|
|
case PROP_KY2:
|
|
g_value_set_int (value, src->ky2);
|
|
break;
|
|
case PROP_KT2:
|
|
g_value_set_int (value, src->kt2);
|
|
break;
|
|
case PROP_XOFFSET:
|
|
g_value_set_int (value, src->xoffset);
|
|
break;
|
|
case PROP_YOFFSET:
|
|
g_value_set_int (value, src->yoffset);
|
|
break;
|
|
case PROP_FOREGROUND_COLOR:
|
|
g_value_set_uint (value, src->foreground_color);
|
|
break;
|
|
case PROP_BACKGROUND_COLOR:
|
|
g_value_set_uint (value, src->background_color);
|
|
break;
|
|
case PROP_HORIZONTAL_SPEED:
|
|
g_value_set_int (value, src->horizontal_speed);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* threadsafe because this gets called as the plugin is loaded */
|
|
static GstCaps *
|
|
gst_video_test_src_getcaps (GstBaseSrc * bsrc)
|
|
{
|
|
static GstCaps *capslist = NULL;
|
|
|
|
if (!capslist) {
|
|
GstCaps *caps;
|
|
GstStructure *structure;
|
|
int i;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
for (i = 0; i < n_fourccs; i++) {
|
|
structure = paint_get_structure (fourcc_list + i);
|
|
gst_structure_set (structure,
|
|
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
|
|
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
|
|
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
|
|
gst_caps_append_structure (caps, structure);
|
|
}
|
|
|
|
capslist = caps;
|
|
}
|
|
|
|
return gst_caps_copy (capslist);
|
|
}
|
|
|
|
static gboolean
|
|
gst_video_test_src_parse_caps (const GstCaps * caps,
|
|
gint * width, gint * height, gint * rate_numerator, gint * rate_denominator,
|
|
struct fourcc_list_struct **fourcc, GstVideoTestSrcColorSpec * color_spec)
|
|
{
|
|
const GstStructure *structure;
|
|
GstPadLinkReturn ret;
|
|
const GValue *framerate;
|
|
const char *csp;
|
|
|
|
GST_DEBUG ("parsing caps");
|
|
|
|
if (gst_caps_get_size (caps) < 1)
|
|
return FALSE;
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
|
|
if (!(*fourcc = paintinfo_find_by_structure (structure)))
|
|
goto unknown_format;
|
|
|
|
ret = gst_structure_get_int (structure, "width", width);
|
|
ret &= gst_structure_get_int (structure, "height", height);
|
|
framerate = gst_structure_get_value (structure, "framerate");
|
|
|
|
if (framerate) {
|
|
*rate_numerator = gst_value_get_fraction_numerator (framerate);
|
|
*rate_denominator = gst_value_get_fraction_denominator (framerate);
|
|
} else
|
|
goto no_framerate;
|
|
|
|
csp = gst_structure_get_string (structure, "color-matrix");
|
|
if (csp) {
|
|
if (strcmp (csp, "sdtv") == 0) {
|
|
*color_spec = GST_VIDEO_TEST_SRC_BT601;
|
|
} else if (strcmp (csp, "hdtv") == 0) {
|
|
*color_spec = GST_VIDEO_TEST_SRC_BT709;
|
|
} else {
|
|
GST_DEBUG ("unknown color-matrix");
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
*color_spec = GST_VIDEO_TEST_SRC_BT601;
|
|
}
|
|
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
unknown_format:
|
|
{
|
|
GST_DEBUG ("videotestsrc format not found");
|
|
return FALSE;
|
|
}
|
|
no_framerate:
|
|
{
|
|
GST_DEBUG ("videotestsrc no framerate given");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
|
|
{
|
|
gboolean res;
|
|
gint width, height, rate_denominator, rate_numerator;
|
|
struct fourcc_list_struct *fourcc;
|
|
GstVideoTestSrc *videotestsrc;
|
|
GstVideoTestSrcColorSpec color_spec;
|
|
|
|
videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
|
|
|
|
res = gst_video_test_src_parse_caps (caps, &width, &height,
|
|
&rate_numerator, &rate_denominator, &fourcc, &color_spec);
|
|
if (res) {
|
|
/* looks ok here */
|
|
videotestsrc->fourcc = fourcc;
|
|
videotestsrc->width = width;
|
|
videotestsrc->height = height;
|
|
videotestsrc->rate_numerator = rate_numerator;
|
|
videotestsrc->rate_denominator = rate_denominator;
|
|
videotestsrc->bpp = videotestsrc->fourcc->bitspp;
|
|
videotestsrc->color_spec = color_spec;
|
|
|
|
GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %d/%d fps",
|
|
videotestsrc->width, videotestsrc->height,
|
|
videotestsrc->rate_numerator, videotestsrc->rate_denominator);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static gboolean
|
|
gst_video_test_src_query (GstBaseSrc * bsrc, GstQuery * query)
|
|
{
|
|
gboolean res;
|
|
GstVideoTestSrc *src;
|
|
|
|
src = GST_VIDEO_TEST_SRC (bsrc);
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_CONVERT:
|
|
{
|
|
GstFormat src_fmt, dest_fmt;
|
|
gint64 src_val, dest_val;
|
|
|
|
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
|
|
if (src_fmt == dest_fmt) {
|
|
dest_val = src_val;
|
|
goto done;
|
|
}
|
|
|
|
switch (src_fmt) {
|
|
case GST_FORMAT_DEFAULT:
|
|
switch (dest_fmt) {
|
|
case GST_FORMAT_TIME:
|
|
/* frames to time */
|
|
if (src->rate_numerator) {
|
|
dest_val = gst_util_uint64_scale (src_val,
|
|
src->rate_denominator * GST_SECOND, src->rate_numerator);
|
|
} else {
|
|
dest_val = 0;
|
|
}
|
|
break;
|
|
default:
|
|
goto error;
|
|
}
|
|
break;
|
|
case GST_FORMAT_TIME:
|
|
switch (dest_fmt) {
|
|
case GST_FORMAT_DEFAULT:
|
|
/* time to frames */
|
|
if (src->rate_numerator) {
|
|
dest_val = gst_util_uint64_scale (src_val,
|
|
src->rate_numerator, src->rate_denominator * GST_SECOND);
|
|
} else {
|
|
dest_val = 0;
|
|
}
|
|
break;
|
|
default:
|
|
goto error;
|
|
}
|
|
break;
|
|
default:
|
|
goto error;
|
|
}
|
|
done:
|
|
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
|
|
res = TRUE;
|
|
break;
|
|
}
|
|
default:
|
|
res = GST_BASE_SRC_CLASS (parent_class)->query (bsrc, query);
|
|
}
|
|
return res;
|
|
|
|
/* ERROR */
|
|
error:
|
|
{
|
|
GST_DEBUG_OBJECT (src, "query failed");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_video_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_video_test_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment)
|
|
{
|
|
GstClockTime time;
|
|
GstVideoTestSrc *src;
|
|
|
|
src = GST_VIDEO_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_video_test_src_is_seekable (GstBaseSrc * psrc)
|
|
{
|
|
/* we're seekable... */
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_video_test_src_create (GstPushSrc * psrc, GstBuffer ** buffer)
|
|
{
|
|
GstVideoTestSrc *src;
|
|
gulong newsize, size;
|
|
GstBuffer *outbuf = NULL;
|
|
GstFlowReturn res;
|
|
GstClockTime next_time;
|
|
|
|
src = GST_VIDEO_TEST_SRC (psrc);
|
|
|
|
if (G_UNLIKELY (src->fourcc == NULL))
|
|
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;
|
|
|
|
newsize = gst_video_test_src_get_size (src, src->width, src->height);
|
|
|
|
g_return_val_if_fail (newsize > 0, GST_FLOW_ERROR);
|
|
|
|
GST_LOG_OBJECT (src,
|
|
"creating buffer of %lu bytes with %dx%d image for frame %d", newsize,
|
|
src->width, src->height, (gint) src->n_frames);
|
|
|
|
if (src->peer_alloc) {
|
|
res =
|
|
gst_pad_alloc_buffer_and_set_caps (GST_BASE_SRC_PAD (psrc),
|
|
GST_BUFFER_OFFSET_NONE, newsize, GST_PAD_CAPS (GST_BASE_SRC_PAD (psrc)),
|
|
&outbuf);
|
|
if (res != GST_FLOW_OK)
|
|
goto no_buffer;
|
|
|
|
/* the buffer could have renegotiated, we need to discard any buffers of the
|
|
* wrong size. */
|
|
size = GST_BUFFER_SIZE (outbuf);
|
|
newsize = gst_video_test_src_get_size (src, src->width, src->height);
|
|
|
|
if (size != newsize) {
|
|
gst_buffer_unref (outbuf);
|
|
outbuf = NULL;
|
|
}
|
|
}
|
|
|
|
if (outbuf == NULL) {
|
|
outbuf = gst_buffer_new_and_alloc (newsize);
|
|
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (GST_BASE_SRC_PAD (psrc)));
|
|
}
|
|
|
|
memset (GST_BUFFER_DATA (outbuf), 0, GST_BUFFER_SIZE (outbuf));
|
|
src->tmpline_u8 = g_malloc (src->width + 8);
|
|
src->tmpline = g_malloc ((src->width + 8) * 4);
|
|
src->tmpline2 = g_malloc ((src->width + 8) * 4);
|
|
|
|
src->make_image (src, (void *) GST_BUFFER_DATA (outbuf),
|
|
src->width, src->height);
|
|
|
|
g_free (src->tmpline);
|
|
g_free (src->tmpline2);
|
|
g_free (src->tmpline_u8);
|
|
|
|
GST_BUFFER_TIMESTAMP (outbuf) = src->timestamp_offset + src->running_time;
|
|
GST_BUFFER_OFFSET (outbuf) = src->n_frames;
|
|
src->n_frames++;
|
|
GST_BUFFER_OFFSET_END (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 (outbuf) = next_time - src->running_time;
|
|
} else {
|
|
next_time = src->timestamp_offset;
|
|
/* NONE means forever */
|
|
GST_BUFFER_DURATION (outbuf) = GST_CLOCK_TIME_NONE;
|
|
}
|
|
|
|
src->running_time = next_time;
|
|
|
|
*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;
|
|
}
|
|
no_buffer:
|
|
{
|
|
GST_DEBUG_OBJECT (src, "could not allocate buffer, reason %s",
|
|
gst_flow_get_name (res));
|
|
return res;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_video_test_src_start (GstBaseSrc * basesrc)
|
|
{
|
|
GstVideoTestSrc *src = GST_VIDEO_TEST_SRC (basesrc);
|
|
|
|
src->running_time = 0;
|
|
src->n_frames = 0;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
gst_videotestsrc_orc_init ();
|
|
|
|
GST_DEBUG_CATEGORY_INIT (video_test_src_debug, "videotestsrc", 0,
|
|
"Video Test Source");
|
|
|
|
return gst_element_register (plugin, "videotestsrc", GST_RANK_NONE,
|
|
GST_TYPE_VIDEO_TEST_SRC);
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
"videotestsrc",
|
|
"Creates a test video stream",
|
|
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|