mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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move pango to base
Original commit message from CVS: move pango to base
This commit is contained in:
Thomas Vander Stichele
parent
fe967d4fe8
commit
94b7b4dc7f
12 changed files with 15 additions and 1926 deletions
15
ChangeLog
15
ChangeLog
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@ -1,3 +1,18 @@
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2005-12-01 Thomas Vander Stichele <thomas (at) apestaart (dot) org>
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* configure.ac:
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* ext/Makefile.am:
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* ext/pango/Makefile.am:
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* ext/pango/gstclockoverlay.c:
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* ext/pango/gstclockoverlay.h:
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* ext/pango/gsttextoverlay.c:
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* ext/pango/gsttextoverlay.h:
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* ext/pango/gsttextrender.c:
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* ext/pango/gsttextrender.h:
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* ext/pango/gsttimeoverlay.c:
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* ext/pango/gsttimeoverlay.h:
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move pango to base
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2005-12-01 Thomas Vander Stichele <thomas (at) apestaart (dot) org>
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2005-12-01 Thomas Vander Stichele <thomas (at) apestaart (dot) org>
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* gst/rtp/Makefile.am:
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* gst/rtp/Makefile.am:
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10
configure.ac
10
configure.ac
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@ -413,15 +413,6 @@ GST_CHECK_FEATURE(DV1394, [raw1394 and avc1394 library], dv1394src, [
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fi
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fi
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])
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])
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dnl *** pango ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_PANGO, true)
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GST_CHECK_FEATURE(PANGO, [pango], pango, [
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PKG_CHECK_MODULES(PANGO, pango pangoft2,
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HAVE_PANGO="yes", HAVE_PANGO="no")
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AC_SUBST(PANGO_CFLAGS)
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AC_SUBST(PANGO_LIBS)
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])
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dnl *** shout2 ***
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dnl *** shout2 ***
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translit(dnm, m, l) AM_CONDITIONAL(USE_SHOUT2, true)
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translit(dnm, m, l) AM_CONDITIONAL(USE_SHOUT2, true)
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GST_CHECK_FEATURE(SHOUT2, [shout2 plug-in], shout2send, [
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GST_CHECK_FEATURE(SHOUT2, [shout2 plug-in], shout2send, [
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@ -566,7 +557,6 @@ ext/gconf/Makefile
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ext/ladspa/Makefile
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ext/ladspa/Makefile
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ext/libcaca/Makefile
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ext/libcaca/Makefile
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ext/libpng/Makefile
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ext/libpng/Makefile
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ext/pango/Makefile
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ext/raw1394/Makefile
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ext/raw1394/Makefile
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ext/shout2/Makefile
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ext/shout2/Makefile
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ext/speex/Makefile
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ext/speex/Makefile
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@ -76,12 +76,6 @@ endif
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MIKMOD_DIR =
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MIKMOD_DIR =
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# endif
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# endif
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if USE_PANGO
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PANGO_DIR = pango
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else
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PANGO_DIR =
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endif
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if USE_DV1394
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if USE_DV1394
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DV1394_DIR = raw1394
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DV1394_DIR = raw1394
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else
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else
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@ -115,7 +109,6 @@ SUBDIRS = \
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$(LIBMNG_DIR) \
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$(LIBMNG_DIR) \
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$(LIBPNG_DIR) \
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$(LIBPNG_DIR) \
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$(MIKMOD_DIR) \
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$(MIKMOD_DIR) \
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$(PANGO_DIR) \
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$(SHOUT2_DIR) \
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$(SHOUT2_DIR) \
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$(SPEEX_DIR)
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$(SPEEX_DIR)
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@ -130,7 +123,6 @@ DIST_SUBDIRS = \
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ladspa \
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ladspa \
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libcaca \
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libcaca \
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libpng \
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libpng \
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pango \
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raw1394 \
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raw1394 \
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shout2 \
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shout2 \
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speex
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speex
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@ -1,28 +0,0 @@
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plugin_LTLIBRARIES = libgstpango.la
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noinst_HEADERS = \
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gstclockoverlay.h \
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gsttextoverlay.h \
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gsttextrender.h \
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gsttimeoverlay.h
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libgstpango_la_SOURCES = \
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gstclockoverlay.c \
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gsttextoverlay.c \
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gsttextrender.c \
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gsttimeoverlay.c
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libgstpango_la_CFLAGS = \
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$(GST_PLUGINS_BASE_CFLAGS) \
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$(GST_BASE_CFLAGS) \
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$(GST_CFLAGS) \
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$(PANGO_CFLAGS)
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libgstpango_la_LIBADD = \
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$(GST_BASE_LIBS) \
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$(GST_LIBS) \
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$(PANGO_LIBS)
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libgstpango_la_LDFLAGS = \
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$(GST_PLUGIN_LDFLAGS)
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@ -1,119 +0,0 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2005> Tim-Philipp Müller <tim@centricular.net>
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gstclockoverlay.h>
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#include <gst/video/video.h>
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#include <time.h>
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static GstElementDetails clock_overlay_details =
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GST_ELEMENT_DETAILS ("Time Overlay",
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"Filter/Editor/Video",
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"Overlays the time on a video stream",
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"Tim-Philipp Müller <tim@centricular.net>");
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GST_BOILERPLATE (GstClockOverlay, gst_clock_overlay, GstTextOverlay,
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GST_TYPE_TEXT_OVERLAY)
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static void gst_clock_overlay_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 (element_class, &clock_overlay_details);
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}
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static gchar *
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gst_clock_overlay_render_time (GstClockOverlay * overlay)
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{
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struct tm t;
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time_t now;
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now = time (NULL);
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if (localtime_r (&now, &t) == NULL)
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return g_strdup ("--:--:--");
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return g_strdup_printf ("%02u:%02u:%02u", t.tm_hour, t.tm_min, t.tm_sec);
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}
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static gchar *
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gst_clock_overlay_get_text (GstTextOverlay * overlay, GstBuffer * video_frame)
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{
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gchar *time_str, *txt, *ret;
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overlay->need_render = TRUE;
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GST_OBJECT_LOCK (overlay);
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txt = g_strdup (overlay->default_text);
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GST_OBJECT_UNLOCK (overlay);
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time_str = gst_clock_overlay_render_time (GST_CLOCK_OVERLAY (overlay));
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if (txt != NULL && *txt != '\0') {
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ret = g_strdup_printf ("%s %s", txt, time_str);
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} else {
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ret = time_str;
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time_str = NULL;
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}
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g_free (txt);
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g_free (time_str);
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return ret;
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}
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static void
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gst_clock_overlay_class_init (GstClockOverlayClass * klass)
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{
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GstTextOverlayClass *gsttextoverlay_class;
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gsttextoverlay_class = (GstTextOverlayClass *) klass;
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gsttextoverlay_class->get_text = gst_clock_overlay_get_text;
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}
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static void
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gst_clock_overlay_init (GstClockOverlay * overlay, GstClockOverlayClass * klass)
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{
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PangoFontDescription *font_description;
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GstTextOverlay *textoverlay;
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PangoContext *context;
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textoverlay = GST_TEXT_OVERLAY (overlay);
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context = GST_TEXT_OVERLAY_CLASS (klass)->pango_context;
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pango_context_set_language (context, pango_language_from_string ("en_US"));
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pango_context_set_base_dir (context, PANGO_DIRECTION_LTR);
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font_description = pango_font_description_new ();
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pango_font_description_set_family (font_description, g_strdup ("Monospace"));
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pango_font_description_set_style (font_description, PANGO_STYLE_NORMAL);
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pango_font_description_set_variant (font_description, PANGO_VARIANT_NORMAL);
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pango_font_description_set_weight (font_description, PANGO_WEIGHT_NORMAL);
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pango_font_description_set_stretch (font_description, PANGO_STRETCH_NORMAL);
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pango_font_description_set_size (font_description, 18 * PANGO_SCALE);
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pango_context_set_font_description (context, font_description);
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pango_font_description_free (font_description);
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textoverlay->valign = GST_TEXT_OVERLAY_VALIGN_TOP;
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textoverlay->halign = GST_TEXT_OVERLAY_HALIGN_LEFT;
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}
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@ -1,56 +0,0 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2005> Tim-Philipp Müller <tim@centricular.net>
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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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#ifndef __GST_CLOCK_OVERLAY_H__
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#define __GST_CLOCK_OVERLAY_H__
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#include "gsttextoverlay.h"
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G_BEGIN_DECLS
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#define GST_TYPE_CLOCK_OVERLAY \
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(gst_clock_overlay_get_type())
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#define GST_CLOCK_OVERLAY(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CLOCK_OVERLAY,GstClockOverlay))
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#define GST_CLOCK_OVERLAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CLOCK_OVERLAY,GstClockOverlayClass))
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#define GST_IS_CLOCK_OVERLAY(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CLOCK_OVERLAY))
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#define GST_IS_CLOCK_OVERLAY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CLOCK_OVERLAY))
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typedef struct _GstClockOverlay GstClockOverlay;
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typedef struct _GstClockOverlayClass GstClockOverlayClass;
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struct _GstClockOverlay {
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GstTextOverlay textoverlay;
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};
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struct _GstClockOverlayClass {
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GstTextOverlayClass parent_class;
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};
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GType gst_clock_overlay_get_type (void);
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G_END_DECLS
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#endif /* __GST_CLOCK_OVERLAY_H__ */
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File diff suppressed because it is too large
Load diff
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@ -1,99 +0,0 @@
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#ifndef __GST_TEXT_OVERLAY_H__
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#define __GST_TEXT_OVERLAY_H__
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#include <gst/gst.h>
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#include <gst/base/gstcollectpads.h>
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#include <pango/pangoft2.h>
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G_BEGIN_DECLS
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#define GST_TYPE_TEXT_OVERLAY (gst_text_overlay_get_type())
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#define GST_TEXT_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),\
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GST_TYPE_TEXT_OVERLAY, GstTextOverlay))
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#define GST_TEXT_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),\
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GST_TYPE_TEXT_OVERLAY,GstTextOverlayClass))
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#define GST_TEXT_OVERLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\
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GST_TYPE_TEXT_OVERLAY, GstTextOverlayClass))
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#define GST_IS_TEXT_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),\
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GST_TYPE_TEXT_OVERLAY))
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#define GST_IS_TEXT_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),\
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GST_TYPE_TEXT_OVERLAY))
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typedef struct _GstTextOverlay GstTextOverlay;
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typedef struct _GstTextOverlayClass GstTextOverlayClass;
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typedef enum _GstTextOverlayVAlign GstTextOverlayVAlign;
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typedef enum _GstTextOverlayHAlign GstTextOverlayHAlign;
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typedef enum _GstTextOverlayWrapMode GstTextOverlayWrapMode;
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enum _GstTextOverlayVAlign {
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GST_TEXT_OVERLAY_VALIGN_BASELINE,
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GST_TEXT_OVERLAY_VALIGN_BOTTOM,
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GST_TEXT_OVERLAY_VALIGN_TOP
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};
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enum _GstTextOverlayHAlign {
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GST_TEXT_OVERLAY_HALIGN_LEFT,
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GST_TEXT_OVERLAY_HALIGN_CENTER,
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GST_TEXT_OVERLAY_HALIGN_RIGHT
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};
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enum _GstTextOverlayWrapMode {
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GST_TEXT_OVERLAY_WRAP_MODE_NONE = -1,
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GST_TEXT_OVERLAY_WRAP_MODE_WORD = PANGO_WRAP_WORD,
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GST_TEXT_OVERLAY_WRAP_MODE_CHAR = PANGO_WRAP_CHAR,
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GST_TEXT_OVERLAY_WRAP_MODE_WORD_CHAR = PANGO_WRAP_WORD_CHAR
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};
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struct _GstTextOverlay {
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GstElement element;
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GstPad *video_sinkpad;
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GstPad *text_sinkpad;
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GstPad *srcpad;
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GstCollectPads *collect;
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GstCollectData *video_collect_data;
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GstCollectData *text_collect_data;
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gint width;
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gint height;
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gint fps_n;
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gint fps_d;
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GstTextOverlayVAlign valign;
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GstTextOverlayHAlign halign;
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GstTextOverlayWrapMode wrap_mode;
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gint xpad;
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gint ypad;
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|
||||||
gint deltax;
|
|
||||||
gint deltay;
|
|
||||||
gchar *default_text;
|
|
||||||
gboolean want_shading;
|
|
||||||
|
|
||||||
PangoLayout *layout;
|
|
||||||
FT_Bitmap bitmap;
|
|
||||||
gint bitmap_buffer_size;
|
|
||||||
gint baseline_y;
|
|
||||||
|
|
||||||
gboolean need_render;
|
|
||||||
|
|
||||||
gint shading_value; /* for timeoverlay subclass */
|
|
||||||
};
|
|
||||||
|
|
||||||
struct _GstTextOverlayClass {
|
|
||||||
GstElementClass parent_class;
|
|
||||||
|
|
||||||
PangoContext *pango_context;
|
|
||||||
|
|
||||||
gchar * (*get_text) (GstTextOverlay *overlay, GstBuffer *video_frame);
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
GType gst_text_overlay_get_type(void) G_GNUC_CONST;
|
|
||||||
|
|
||||||
G_END_DECLS
|
|
||||||
|
|
||||||
#endif /* __GST_TEXT_OVERLAY_H */
|
|
||||||
|
|
@ -1,357 +0,0 @@
|
||||||
/* GStreamer
|
|
||||||
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
||||||
* Copyright (C) <2003> David Schleef <ds@schleef.org>
|
|
||||||
*
|
|
||||||
* This library is free software; you can redistribute it and/or
|
|
||||||
* modify it under the terms of the GNU Library General Public
|
|
||||||
* License as published by the Free Software Foundation; either
|
|
||||||
* version 2 of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This library is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
||||||
* Library General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Library General Public
|
|
||||||
* License along with this library; if not, write to the
|
|
||||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
||||||
* Boston, MA 02111-1307, USA.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifdef HAVE_CONFIG_H
|
|
||||||
#include <config.h>
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include <gst/gst.h>
|
|
||||||
#include <gst/video/video.h>
|
|
||||||
|
|
||||||
#include "gsttextrender.h"
|
|
||||||
|
|
||||||
GST_DEBUG_CATEGORY_EXTERN (pango_debug);
|
|
||||||
#define GST_CAT_DEFAULT pango_debug
|
|
||||||
|
|
||||||
static GstElementDetails text_render_details = {
|
|
||||||
"Text Render",
|
|
||||||
"Filter/Editor/Video",
|
|
||||||
"Renders a text string to an image bitmap",
|
|
||||||
"David Schleef <ds@schleef.org>, "
|
|
||||||
"Ronald S. Bultje <rbultje@ronald.bitfreak.net>"
|
|
||||||
};
|
|
||||||
|
|
||||||
enum
|
|
||||||
{
|
|
||||||
ARG_0,
|
|
||||||
ARG_FONT_DESC
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
static GstStaticPadTemplate src_template_factory =
|
|
||||||
GST_STATIC_PAD_TEMPLATE ("src",
|
|
||||||
GST_PAD_SRC,
|
|
||||||
GST_PAD_ALWAYS,
|
|
||||||
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("AYUV"))
|
|
||||||
);
|
|
||||||
|
|
||||||
static GstStaticPadTemplate sink_template_factory =
|
|
||||||
GST_STATIC_PAD_TEMPLATE ("sink",
|
|
||||||
GST_PAD_SINK,
|
|
||||||
GST_PAD_ALWAYS,
|
|
||||||
GST_STATIC_CAPS ("text/x-pango-markup; text/plain")
|
|
||||||
);
|
|
||||||
|
|
||||||
GST_BOILERPLATE (GstTextRender, gst_text_render, GstElement, GST_TYPE_ELEMENT)
|
|
||||||
|
|
||||||
static void gst_text_render_finalize (GObject * object);
|
|
||||||
static void gst_text_render_set_property (GObject * object,
|
|
||||||
guint prop_id, const GValue * value, GParamSpec * pspec);
|
|
||||||
|
|
||||||
static void gst_text_render_base_init (gpointer g_class)
|
|
||||||
{
|
|
||||||
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
||||||
|
|
||||||
gst_element_class_add_pad_template (element_class,
|
|
||||||
gst_static_pad_template_get (&src_template_factory));
|
|
||||||
gst_element_class_add_pad_template (element_class,
|
|
||||||
gst_static_pad_template_get (&sink_template_factory));
|
|
||||||
|
|
||||||
gst_element_class_set_details (element_class, &text_render_details);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_text_render_class_init (GstTextRenderClass * klass)
|
|
||||||
{
|
|
||||||
GObjectClass *gobject_class;
|
|
||||||
GstElementClass *gstelement_class;
|
|
||||||
|
|
||||||
gobject_class = (GObjectClass *) klass;
|
|
||||||
gstelement_class = (GstElementClass *) klass;
|
|
||||||
|
|
||||||
parent_class = g_type_class_peek_parent (klass);
|
|
||||||
|
|
||||||
gobject_class->finalize = gst_text_render_finalize;
|
|
||||||
gobject_class->set_property = gst_text_render_set_property;
|
|
||||||
|
|
||||||
klass->pango_context = pango_ft2_get_context (72, 72);
|
|
||||||
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FONT_DESC,
|
|
||||||
g_param_spec_string ("font-desc", "font description",
|
|
||||||
"Pango font description of font "
|
|
||||||
"to be used for rendering. "
|
|
||||||
"See documentation of "
|
|
||||||
"pango_font_description_from_string"
|
|
||||||
" for syntax.", "", G_PARAM_WRITABLE));
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static void
|
|
||||||
resize_bitmap (GstTextRender * render, gint width, gint height)
|
|
||||||
{
|
|
||||||
FT_Bitmap *bitmap = &render->bitmap;
|
|
||||||
gint pitch = (width | 3) + 1;
|
|
||||||
gint size = pitch * height;
|
|
||||||
|
|
||||||
/* no need to keep reallocating; just keep the maximum size so far */
|
|
||||||
if (size <= render->bitmap_buffer_size) {
|
|
||||||
bitmap->rows = height;
|
|
||||||
bitmap->width = width;
|
|
||||||
bitmap->pitch = pitch;
|
|
||||||
memset (bitmap->buffer, 0, render->bitmap_buffer_size);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
if (!bitmap->buffer) {
|
|
||||||
/* initialize */
|
|
||||||
bitmap->pixel_mode = ft_pixel_mode_grays;
|
|
||||||
bitmap->num_grays = 256;
|
|
||||||
}
|
|
||||||
if (bitmap->buffer)
|
|
||||||
bitmap->buffer = g_realloc (bitmap->buffer, size);
|
|
||||||
else
|
|
||||||
bitmap->buffer = g_malloc (size);
|
|
||||||
bitmap->rows = height;
|
|
||||||
bitmap->width = width;
|
|
||||||
bitmap->pitch = pitch;
|
|
||||||
memset (bitmap->buffer, 0, size);
|
|
||||||
render->bitmap_buffer_size = size;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_text_render_render_text (GstTextRender * render)
|
|
||||||
{
|
|
||||||
PangoRectangle ink_rect, logical_rect;
|
|
||||||
|
|
||||||
pango_layout_get_pixel_extents (render->layout, &ink_rect, &logical_rect);
|
|
||||||
resize_bitmap (render, ink_rect.width, ink_rect.height + ink_rect.y);
|
|
||||||
pango_ft2_render_layout (&render->bitmap, render->layout, -ink_rect.x, 0);
|
|
||||||
render->baseline_y = ink_rect.y;
|
|
||||||
}
|
|
||||||
|
|
||||||
static gboolean
|
|
||||||
gst_text_render_setcaps (GstPad * pad, GstCaps * caps)
|
|
||||||
{
|
|
||||||
GstTextRender *render = GST_TEXT_RENDER (gst_pad_get_parent (pad));
|
|
||||||
GstStructure *structure;
|
|
||||||
gboolean ret = FALSE;
|
|
||||||
gint width = 0, height = 0;
|
|
||||||
|
|
||||||
structure = gst_caps_get_structure (caps, 0);
|
|
||||||
gst_structure_get_int (structure, "width", &width);
|
|
||||||
gst_structure_get_int (structure, "height", &height);
|
|
||||||
|
|
||||||
GST_DEBUG ("Got caps %" GST_PTR_FORMAT, caps);
|
|
||||||
|
|
||||||
if (width >= render->bitmap.width && height >= render->bitmap.rows) {
|
|
||||||
render->width = width;
|
|
||||||
render->height = height;
|
|
||||||
ret = TRUE;
|
|
||||||
}
|
|
||||||
|
|
||||||
gst_object_unref (render);
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_text_render_fixate_caps (GstPad * pad, GstCaps * caps)
|
|
||||||
{
|
|
||||||
GstTextRender *render = GST_TEXT_RENDER (gst_pad_get_parent (pad));
|
|
||||||
GstStructure *s = gst_caps_get_structure (caps, 0);
|
|
||||||
|
|
||||||
GST_DEBUG ("Fixating caps %" GST_PTR_FORMAT, caps);
|
|
||||||
gst_structure_fixate_field_nearest_int (s, "width", render->bitmap.width);
|
|
||||||
gst_structure_fixate_field_nearest_int (s, "height", render->bitmap.rows);
|
|
||||||
GST_DEBUG ("Fixated to %" GST_PTR_FORMAT, caps);
|
|
||||||
|
|
||||||
gst_object_unref (render);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_text_renderer_bitmap_to_ayuv (GstTextRender * render, FT_Bitmap * bitmap,
|
|
||||||
guchar * pixbuf)
|
|
||||||
{
|
|
||||||
int y; /* text bitmap coordinates */
|
|
||||||
int rowinc, bit_rowinc;
|
|
||||||
guchar *p, *bitp;
|
|
||||||
guchar v;
|
|
||||||
|
|
||||||
rowinc = render->width - bitmap->width;
|
|
||||||
bit_rowinc = bitmap->pitch - bitmap->width;
|
|
||||||
|
|
||||||
bitp = bitmap->buffer;
|
|
||||||
p = pixbuf;
|
|
||||||
|
|
||||||
for (y = 0; y < bitmap->rows; y++) {
|
|
||||||
int n;
|
|
||||||
|
|
||||||
for (n = bitmap->width; n > 0; --n) {
|
|
||||||
v = *bitp;
|
|
||||||
if (v) {
|
|
||||||
p[0] = v;
|
|
||||||
p[1] = 255;
|
|
||||||
p[2] = 0x80;
|
|
||||||
p[3] = 0x80;
|
|
||||||
}
|
|
||||||
p += 4;
|
|
||||||
bitp++;
|
|
||||||
}
|
|
||||||
p += rowinc * 4;
|
|
||||||
bitp += bit_rowinc;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static GstFlowReturn
|
|
||||||
gst_text_render_chain (GstPad * pad, GstBuffer * inbuf)
|
|
||||||
{
|
|
||||||
GstTextRender *render;
|
|
||||||
GstFlowReturn ret;
|
|
||||||
GstBuffer *outbuf;
|
|
||||||
GstCaps *caps = NULL;
|
|
||||||
guint8 *data = GST_BUFFER_DATA (inbuf);
|
|
||||||
guint size = GST_BUFFER_SIZE (inbuf);
|
|
||||||
gint n;
|
|
||||||
|
|
||||||
render = GST_TEXT_RENDER (gst_pad_get_parent (pad));
|
|
||||||
|
|
||||||
/* somehow pango barfs over "\0" buffers... */
|
|
||||||
while (size > 0 &&
|
|
||||||
(data[size - 1] == '\r' ||
|
|
||||||
data[size - 1] == '\n' || data[size - 1] == '\0')) {
|
|
||||||
size--;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* render text */
|
|
||||||
GST_DEBUG ("rendering '%*s'", size, data);
|
|
||||||
pango_layout_set_markup (render->layout, (gchar *) data, size);
|
|
||||||
gst_text_render_render_text (render);
|
|
||||||
|
|
||||||
caps = gst_caps_new_simple ("video/x-raw-yuv", "format", GST_TYPE_FOURCC,
|
|
||||||
GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'), "width", G_TYPE_INT,
|
|
||||||
render->bitmap.width, "height", G_TYPE_INT, render->bitmap.rows,
|
|
||||||
"framerate", GST_TYPE_FRACTION, 1, 1, NULL);
|
|
||||||
|
|
||||||
if (!gst_pad_set_caps (render->srcpad, caps)) {
|
|
||||||
gst_caps_unref (caps);
|
|
||||||
GST_ELEMENT_ERROR (render, CORE, NEGOTIATION, (NULL), (NULL));
|
|
||||||
ret = GST_FLOW_ERROR;
|
|
||||||
goto done;
|
|
||||||
}
|
|
||||||
|
|
||||||
GST_DEBUG ("Allocating AYUV buffer WxH = %dx%d", render->width,
|
|
||||||
render->height);
|
|
||||||
ret =
|
|
||||||
gst_pad_alloc_buffer (render->srcpad, GST_BUFFER_OFFSET_NONE,
|
|
||||||
render->width * render->height * 4, caps, &outbuf);
|
|
||||||
|
|
||||||
if (ret != GST_FLOW_OK)
|
|
||||||
goto done;
|
|
||||||
|
|
||||||
gst_buffer_stamp (outbuf, inbuf);
|
|
||||||
data = GST_BUFFER_DATA (outbuf);
|
|
||||||
|
|
||||||
for (n = 0; n < render->width * render->height; n++) {
|
|
||||||
data[n * 4] = 0;
|
|
||||||
data[n * 4 + 1] = 0;
|
|
||||||
data[n * 4 + 2] = data[n * 4 + 3] = 128;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (render->bitmap.buffer) {
|
|
||||||
gst_text_renderer_bitmap_to_ayuv (render, &render->bitmap, data);
|
|
||||||
}
|
|
||||||
|
|
||||||
ret = gst_pad_push (render->srcpad, outbuf);
|
|
||||||
|
|
||||||
done:
|
|
||||||
if (caps)
|
|
||||||
gst_caps_unref (caps);
|
|
||||||
gst_buffer_unref (inbuf);
|
|
||||||
gst_object_unref (render);
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_text_render_finalize (GObject * object)
|
|
||||||
{
|
|
||||||
GstTextRender *render = GST_TEXT_RENDER (object);
|
|
||||||
|
|
||||||
g_free (render->bitmap.buffer);
|
|
||||||
|
|
||||||
if (render->layout)
|
|
||||||
g_object_unref (render->layout);
|
|
||||||
|
|
||||||
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_text_render_init (GstTextRender * render, GstTextRenderClass * klass)
|
|
||||||
{
|
|
||||||
/* sink */
|
|
||||||
render->sinkpad =
|
|
||||||
gst_pad_new_from_template (gst_static_pad_template_get
|
|
||||||
(&sink_template_factory), "sink");
|
|
||||||
gst_pad_set_chain_function (render->sinkpad,
|
|
||||||
GST_DEBUG_FUNCPTR (gst_text_render_chain));
|
|
||||||
gst_element_add_pad (GST_ELEMENT (render), render->sinkpad);
|
|
||||||
|
|
||||||
/* source */
|
|
||||||
render->srcpad =
|
|
||||||
gst_pad_new_from_template (gst_static_pad_template_get
|
|
||||||
(&src_template_factory), "src");
|
|
||||||
gst_pad_set_fixatecaps_function (render->srcpad,
|
|
||||||
GST_DEBUG_FUNCPTR (gst_text_render_fixate_caps));
|
|
||||||
gst_pad_set_setcaps_function (render->srcpad,
|
|
||||||
GST_DEBUG_FUNCPTR (gst_text_render_setcaps));
|
|
||||||
gst_element_add_pad (GST_ELEMENT (render), render->srcpad);
|
|
||||||
|
|
||||||
render->layout =
|
|
||||||
pango_layout_new (GST_TEXT_RENDER_GET_CLASS (render)->pango_context);
|
|
||||||
memset (&render->bitmap, 0, sizeof (render->bitmap));
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_text_render_set_property (GObject * object, guint prop_id,
|
|
||||||
const GValue * value, GParamSpec * pspec)
|
|
||||||
{
|
|
||||||
GstTextRender *render = GST_TEXT_RENDER (object);
|
|
||||||
|
|
||||||
switch (prop_id) {
|
|
||||||
case ARG_FONT_DESC:
|
|
||||||
{
|
|
||||||
PangoFontDescription *desc;
|
|
||||||
|
|
||||||
desc = pango_font_description_from_string (g_value_get_string (value));
|
|
||||||
if (desc) {
|
|
||||||
GST_LOG ("font description set: %s", g_value_get_string (value));
|
|
||||||
GST_OBJECT_LOCK (render);
|
|
||||||
pango_layout_set_font_description (render->layout, desc);
|
|
||||||
pango_font_description_free (desc);
|
|
||||||
gst_text_render_render_text (render);
|
|
||||||
GST_OBJECT_UNLOCK (render);
|
|
||||||
} else {
|
|
||||||
GST_WARNING ("font description parse failed: %s",
|
|
||||||
g_value_get_string (value));
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,46 +0,0 @@
|
||||||
#ifndef __GST_TEXT_RENDER_H__
|
|
||||||
#define __GST_TEXT_RENDER_H__
|
|
||||||
|
|
||||||
#include <gst/gst.h>
|
|
||||||
#include <pango/pangoft2.h>
|
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
|
||||||
|
|
||||||
#define GST_TYPE_TEXT_RENDER (gst_text_render_get_type())
|
|
||||||
#define GST_TEXT_RENDER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),\
|
|
||||||
GST_TYPE_TEXT_RENDER, GstTextRender))
|
|
||||||
#define GST_TEXT_RENDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),\
|
|
||||||
GST_TYPE_ULAW, GstTextRender))
|
|
||||||
#define GST_TEXT_RENDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\
|
|
||||||
GST_TYPE_TEXT_RENDER, GstTextRenderClass))
|
|
||||||
#define GST_IS_TEXT_RENDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),\
|
|
||||||
GST_TYPE_TEXT_RENDER))
|
|
||||||
#define GST_IS_TEXT_RENDER_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),\
|
|
||||||
GST_TYPE_TEXT_RENDER))
|
|
||||||
|
|
||||||
typedef struct _GstTextRender GstTextRender;
|
|
||||||
typedef struct _GstTextRenderClass GstTextRenderClass;
|
|
||||||
|
|
||||||
struct _GstTextRender {
|
|
||||||
GstElement element;
|
|
||||||
|
|
||||||
GstPad *sinkpad, *srcpad;
|
|
||||||
gint width;
|
|
||||||
gint height;
|
|
||||||
PangoLayout *layout;
|
|
||||||
FT_Bitmap bitmap;
|
|
||||||
gint bitmap_buffer_size;
|
|
||||||
gint baseline_y;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct _GstTextRenderClass {
|
|
||||||
GstElementClass parent_class;
|
|
||||||
|
|
||||||
PangoContext *pango_context;
|
|
||||||
};
|
|
||||||
|
|
||||||
GType gst_text_render_get_type(void) G_GNUC_CONST;
|
|
||||||
|
|
||||||
G_END_DECLS
|
|
||||||
|
|
||||||
#endif /* __GST_TEXT_RENDER_H */
|
|
||||||
|
|
@ -1,130 +0,0 @@
|
||||||
/* GStreamer
|
|
||||||
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
||||||
* Copyright (C) <2005> Tim-Philipp Müller <tim@centricular.net>
|
|
||||||
*
|
|
||||||
* This library is free software; you can redistribute it and/or
|
|
||||||
* modify it under the terms of the GNU Library General Public
|
|
||||||
* License as published by the Free Software Foundation; either
|
|
||||||
* version 2 of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This library is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
||||||
* Library General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Library General Public
|
|
||||||
* License along with this library; if not, write to the
|
|
||||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
||||||
* Boston, MA 02111-1307, USA.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifdef HAVE_CONFIG_H
|
|
||||||
#include "config.h"
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include <gst/video/video.h>
|
|
||||||
|
|
||||||
#include <gsttimeoverlay.h>
|
|
||||||
|
|
||||||
static GstElementDetails time_overlay_details =
|
|
||||||
GST_ELEMENT_DETAILS ("Time Overlay",
|
|
||||||
"Filter/Editor/Video",
|
|
||||||
"Overlays the time on a video stream",
|
|
||||||
"Tim-Philipp Müller <tim@centricular.net>");
|
|
||||||
|
|
||||||
GST_BOILERPLATE (GstTimeOverlay, gst_time_overlay, GstTextOverlay,
|
|
||||||
GST_TYPE_TEXT_OVERLAY)
|
|
||||||
|
|
||||||
static void gst_time_overlay_base_init (gpointer g_class)
|
|
||||||
{
|
|
||||||
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
||||||
|
|
||||||
gst_element_class_set_details (element_class, &time_overlay_details);
|
|
||||||
}
|
|
||||||
|
|
||||||
static gchar *
|
|
||||||
gst_time_overlay_render_time (GstTimeOverlay * overlay, GstClockTime time)
|
|
||||||
{
|
|
||||||
guint hours, mins, secs, msecs;
|
|
||||||
|
|
||||||
if (!GST_CLOCK_TIME_IS_VALID (time))
|
|
||||||
return g_strdup ("");
|
|
||||||
|
|
||||||
hours = (guint) (time / (GST_SECOND * 60 * 60));
|
|
||||||
mins = (guint) ((time / (GST_SECOND * 60)) % 60);
|
|
||||||
secs = (guint) ((time / GST_SECOND) % 60);
|
|
||||||
msecs = (guint) ((time % GST_SECOND) / (1000 * 1000));
|
|
||||||
|
|
||||||
return g_strdup_printf ("%u:%02u:%02u.%03u", hours, mins, secs, msecs);
|
|
||||||
}
|
|
||||||
|
|
||||||
static gchar *
|
|
||||||
gst_time_overlay_get_text (GstTextOverlay * overlay, GstBuffer * video_frame)
|
|
||||||
{
|
|
||||||
GstClockTime time = GST_BUFFER_TIMESTAMP (video_frame);
|
|
||||||
gchar *time_str, *txt, *ret;
|
|
||||||
|
|
||||||
overlay->need_render = TRUE;
|
|
||||||
|
|
||||||
if (!GST_CLOCK_TIME_IS_VALID (time)) {
|
|
||||||
GST_DEBUG ("buffer without valid timestamp");
|
|
||||||
return g_strdup ("");
|
|
||||||
}
|
|
||||||
|
|
||||||
GST_DEBUG ("buffer with timestamp %" GST_TIME_FORMAT, GST_TIME_ARGS (time));
|
|
||||||
|
|
||||||
GST_OBJECT_LOCK (overlay);
|
|
||||||
txt = g_strdup (overlay->default_text);
|
|
||||||
GST_OBJECT_UNLOCK (overlay);
|
|
||||||
|
|
||||||
time_str = gst_time_overlay_render_time (GST_TIME_OVERLAY (overlay), time);
|
|
||||||
if (txt != NULL && *txt != '\0') {
|
|
||||||
ret = g_strdup_printf ("%s %s", txt, time_str);
|
|
||||||
} else {
|
|
||||||
ret = time_str;
|
|
||||||
time_str = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
g_free (txt);
|
|
||||||
g_free (time_str);
|
|
||||||
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_time_overlay_class_init (GstTimeOverlayClass * klass)
|
|
||||||
{
|
|
||||||
GstTextOverlayClass *gsttextoverlay_class;
|
|
||||||
|
|
||||||
gsttextoverlay_class = (GstTextOverlayClass *) klass;
|
|
||||||
|
|
||||||
gsttextoverlay_class->get_text = gst_time_overlay_get_text;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
gst_time_overlay_init (GstTimeOverlay * overlay, GstTimeOverlayClass * klass)
|
|
||||||
{
|
|
||||||
PangoFontDescription *font_description;
|
|
||||||
GstTextOverlay *textoverlay;
|
|
||||||
PangoContext *context;
|
|
||||||
|
|
||||||
textoverlay = GST_TEXT_OVERLAY (overlay);
|
|
||||||
|
|
||||||
context = GST_TEXT_OVERLAY_CLASS (klass)->pango_context;
|
|
||||||
|
|
||||||
pango_context_set_language (context, pango_language_from_string ("en_US"));
|
|
||||||
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR);
|
|
||||||
|
|
||||||
font_description = pango_font_description_new ();
|
|
||||||
pango_font_description_set_family (font_description, g_strdup ("Monospace"));
|
|
||||||
pango_font_description_set_style (font_description, PANGO_STYLE_NORMAL);
|
|
||||||
pango_font_description_set_variant (font_description, PANGO_VARIANT_NORMAL);
|
|
||||||
pango_font_description_set_weight (font_description, PANGO_WEIGHT_NORMAL);
|
|
||||||
pango_font_description_set_stretch (font_description, PANGO_STRETCH_NORMAL);
|
|
||||||
pango_font_description_set_size (font_description, 18 * PANGO_SCALE);
|
|
||||||
pango_context_set_font_description (context, font_description);
|
|
||||||
pango_font_description_free (font_description);
|
|
||||||
|
|
||||||
textoverlay->valign = GST_TEXT_OVERLAY_VALIGN_TOP;
|
|
||||||
textoverlay->halign = GST_TEXT_OVERLAY_HALIGN_LEFT;
|
|
||||||
}
|
|
||||||
|
|
@ -1,56 +0,0 @@
|
||||||
/* GStreamer
|
|
||||||
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
||||||
* Copyright (C) <2005> Tim-Philipp Müller <tim@centricular.net>
|
|
||||||
*
|
|
||||||
* This library is free software; you can redistribute it and/or
|
|
||||||
* modify it under the terms of the GNU Library General Public
|
|
||||||
* License as published by the Free Software Foundation; either
|
|
||||||
* version 2 of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* This library is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
||||||
* Library General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU Library General Public
|
|
||||||
* License along with this library; if not, write to the
|
|
||||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
||||||
* Boston, MA 02111-1307, USA.
|
|
||||||
*/
|
|
||||||
|
|
||||||
|
|
||||||
#ifndef __GST_TIME_OVERLAY_H__
|
|
||||||
#define __GST_TIME_OVERLAY_H__
|
|
||||||
|
|
||||||
#include "gsttextoverlay.h"
|
|
||||||
|
|
||||||
G_BEGIN_DECLS
|
|
||||||
|
|
||||||
#define GST_TYPE_TIME_OVERLAY \
|
|
||||||
(gst_time_overlay_get_type())
|
|
||||||
#define GST_TIME_OVERLAY(obj) \
|
|
||||||
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TIME_OVERLAY,GstTimeOverlay))
|
|
||||||
#define GST_TIME_OVERLAY_CLASS(klass) \
|
|
||||||
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TIME_OVERLAY,GstTimeOverlayClass))
|
|
||||||
#define GST_IS_TIME_OVERLAY(obj) \
|
|
||||||
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TIME_OVERLAY))
|
|
||||||
#define GST_IS_TIME_OVERLAY_CLASS(klass) \
|
|
||||||
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TIME_OVERLAY))
|
|
||||||
|
|
||||||
typedef struct _GstTimeOverlay GstTimeOverlay;
|
|
||||||
typedef struct _GstTimeOverlayClass GstTimeOverlayClass;
|
|
||||||
|
|
||||||
struct _GstTimeOverlay {
|
|
||||||
GstTextOverlay textoverlay;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct _GstTimeOverlayClass {
|
|
||||||
GstTextOverlayClass parent_class;
|
|
||||||
};
|
|
||||||
|
|
||||||
GType gst_time_overlay_get_type (void);
|
|
||||||
|
|
||||||
G_END_DECLS
|
|
||||||
|
|
||||||
#endif /* __GST_TIME_OVERLAY_H__ */
|
|
||||||
|
|
||||||
Loading…
Reference in a new issue