Add a new plugin/library to make it easy for apps to shove data into a pipeline.
Original commit message from CVS: * configure.ac: * gst/app/Makefile.am: * gst/app/gstapp.c: * gst/app/gstappsrc.c: * gst/app/gstappsrc.h: Add a new plugin/library to make it easy for apps to shove data into a pipeline.
This commit is contained in:
parent
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commit
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10
ChangeLog
10
ChangeLog
@ -1,3 +1,13 @@
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2007-02-26 David Schleef <ds@schleef.org>
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* configure.ac:
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* gst/app/Makefile.am:
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* gst/app/gstapp.c:
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* gst/app/gstappsrc.c:
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* gst/app/gstappsrc.h:
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Add a new plugin/library to make it easy for apps to shove
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data into a pipeline.
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2007-02-26 Tim-Philipp Müller <tim at centricular dot net>
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2007-02-26 Tim-Philipp Müller <tim at centricular dot net>
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* gst/real/gstrealaudiodec.c: (gst_real_audio_dec_init):
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* gst/real/gstrealaudiodec.c: (gst_real_audio_dec_init):
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@ -76,6 +76,7 @@ GST_ARG_EXAMPLES
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dnl these are all the gst plug-ins, compilable without additional libs
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dnl these are all the gst plug-ins, compilable without additional libs
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GST_PLUGINS_ALL="\
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GST_PLUGINS_ALL="\
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app \
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cdxaparse \
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cdxaparse \
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deinterlace \
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deinterlace \
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equalizer \
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equalizer \
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@ -1026,6 +1027,7 @@ AC_CONFIG_FILES(
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Makefile
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Makefile
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gst-plugins-bad.spec
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gst-plugins-bad.spec
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gst/Makefile
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gst/Makefile
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gst/app/Makefile
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gst/cdxaparse/Makefile
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gst/cdxaparse/Makefile
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gst/deinterlace/Makefile
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gst/deinterlace/Makefile
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gst/equalizer/Makefile
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gst/equalizer/Makefile
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18
gst/app/Makefile.am
Normal file
18
gst/app/Makefile.am
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@ -0,0 +1,18 @@
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lib_LTLIBRARIES = libgstapp-0.10.la
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plugin_LTLIBRARIES = libgstapp.la
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libgstapp_la_SOURCES = gstapp.c
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libgstapp_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
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$(GST_PLUGINS_BASE_CFLAGS)
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libgstapp_la_LIBADD = $(GST_BASE_LIBS) libgstapp-0.10.la
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libgstapp_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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libgstapp_0_10_la_SOURCES = gstappsrc.c
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libgstapp_0_10_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS) \
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$(GST_PLUGINS_BASE_CFLAGS)
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libgstapp_0_10_la_LIBADD = $(GST_BASE_LIBS)
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libgstapp_0_10_la_LDFLAGS = $(GST_LDFLAGS)
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noinst_HEADERS = gstappsrc.h
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41
gst/app/gstapp.c
Normal file
41
gst/app/gstapp.c
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@ -0,0 +1,41 @@
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/* GStreamer
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* Copyright (C) 2007 David 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include "gstappsrc.h"
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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GST_DEBUG_CATEGORY_INIT (app_src_debug, "appsrc", 0, "appsrc");
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return gst_element_register (plugin, "appsrc", GST_RANK_NONE,
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GST_TYPE_APP_SRC);
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"app",
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"Elements used to communicate with applications",
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plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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261
gst/app/gstappsrc.c
Normal file
261
gst/app/gstappsrc.c
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@ -0,0 +1,261 @@
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/* GStreamer
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* Copyright (C) 2007 David 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/base/gstpushsrc.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include "gstappsrc.h"
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GST_DEBUG_CATEGORY (app_src_debug);
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#define GST_CAT_DEFAULT app_src_debug
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static const GstElementDetails app_src_details = GST_ELEMENT_DETAILS ("AppSrc",
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"FIXME",
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"FIXME",
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"autogenerated by makefilter");
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enum
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{
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PROP_0
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};
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static GstStaticPadTemplate gst_app_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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static void gst_app_src_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_app_src_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_app_src_dispose (GObject * object);
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static GstFlowReturn gst_app_src_create (GstPushSrc * psrc, GstBuffer ** buf);
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static gboolean gst_app_src_start (GstBaseSrc * psrc);
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static gboolean gst_app_src_stop (GstBaseSrc * psrc);
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static gboolean gst_app_src_unlock (GstBaseSrc * psrc);
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GST_BOILERPLATE (GstAppSrc, gst_app_src, GstPushSrc, GST_TYPE_PUSH_SRC);
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static void
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gst_app_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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//GObjectClass *gobject_class = G_OBJECT_CLASS (g_class);
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GST_DEBUG_CATEGORY_INIT (app_src_debug, "appsrc", 0, "appsrc element");
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gst_element_class_set_details (element_class, &app_src_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_app_src_template));
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}
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static void
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gst_app_src_class_init (GstAppSrcClass * klass)
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstPushSrcClass *pushsrc_class = (GstPushSrcClass *) klass;
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GstBaseSrcClass *basesrc_class = (GstBaseSrcClass *) klass;
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gobject_class->set_property = gst_app_src_set_property;
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gobject_class->get_property = gst_app_src_get_property;
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gobject_class->dispose = gst_app_src_dispose;
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pushsrc_class->create = gst_app_src_create;
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basesrc_class->start = gst_app_src_start;
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basesrc_class->stop = gst_app_src_stop;
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basesrc_class->unlock = gst_app_src_unlock;
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}
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static void
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gst_app_src_dispose (GObject * obj)
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{
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GstAppSrc *appsrc = GST_APP_SRC (obj);
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g_mutex_free (appsrc->mutex);
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g_cond_free (appsrc->cond);
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g_queue_free (appsrc->queue);
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}
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static void
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gst_app_src_init (GstAppSrc * appsrc, GstAppSrcClass * klass)
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{
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appsrc->mutex = g_mutex_new ();
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appsrc->cond = g_cond_new ();
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appsrc->queue = g_queue_new ();
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}
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static void
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gst_app_src_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstAppSrc *appsrc = GST_APP_SRC (object);
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GST_OBJECT_LOCK (appsrc);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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GST_OBJECT_UNLOCK (appsrc);
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}
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static void
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gst_app_src_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstAppSrc *appsrc = GST_APP_SRC (object);
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GST_OBJECT_LOCK (appsrc);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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GST_OBJECT_UNLOCK (appsrc);
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}
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static gboolean
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gst_app_src_start (GstBaseSrc * psrc)
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{
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GstAppSrc *appsrc = GST_APP_SRC (psrc);
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appsrc->unlock = FALSE;
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#if 0
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/* FIXME: I don't know if this makes sense */
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appsrc->end_of_stream = FALSE;
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appsrc->flush = FALSE;
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#endif
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return TRUE;
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}
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static gboolean
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gst_app_src_stop (GstBaseSrc * psrc)
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{
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//GstAppSrc *appsrc = GST_APP_SRC(psrc);
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return TRUE;
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}
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static gboolean
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gst_app_src_unlock (GstBaseSrc * psrc)
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{
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GstAppSrc *appsrc = GST_APP_SRC (psrc);
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appsrc->unlock = TRUE;
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g_cond_signal (appsrc->cond);
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return TRUE;
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}
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static GstFlowReturn
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gst_app_src_create (GstPushSrc * psrc, GstBuffer ** buf)
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{
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GstAppSrc *appsrc = GST_APP_SRC (psrc);
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int ret = GST_FLOW_ERROR;
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g_mutex_lock (appsrc->mutex);
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while (1) {
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if (!g_queue_is_empty (appsrc->queue)) {
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*buf = g_queue_pop_head (appsrc->queue);
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gst_buffer_set_caps (*buf, appsrc->caps);
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ret = GST_FLOW_OK;
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break;
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}
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if (appsrc->end_of_stream) {
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appsrc->end_of_stream = FALSE;
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ret = GST_FLOW_UNEXPECTED;
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break;
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}
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if (appsrc->flush) {
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appsrc->flush = FALSE;
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/* FIXME: I don't really know how to do this */
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break;
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}
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g_cond_wait (appsrc->cond, appsrc->mutex);
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}
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g_mutex_unlock (appsrc->mutex);
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return ret;
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}
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/* external API */
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void
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gst_app_src_push_buffer (GstAppSrc * appsrc, GstBuffer * buffer)
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{
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g_mutex_lock (appsrc->mutex);
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g_queue_push_tail (appsrc->queue, buffer);
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g_cond_signal (appsrc->cond);
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g_mutex_unlock (appsrc->mutex);
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}
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void
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gst_app_src_set_caps (GstAppSrc * appsrc, GstCaps * caps)
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{
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gst_caps_replace (&appsrc->caps, caps);
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}
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void
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gst_app_src_flush (GstAppSrc * appsrc)
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{
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GstBuffer *buffer;
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g_mutex_lock (appsrc->mutex);
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while ((buffer = g_queue_pop_head (appsrc->queue))) {
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gst_buffer_unref (buffer);
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}
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appsrc->flush = TRUE;
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g_cond_signal (appsrc->cond);
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g_mutex_unlock (appsrc->mutex);
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}
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void
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gst_app_src_end_of_stream (GstAppSrc * appsrc)
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{
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g_mutex_lock (appsrc->mutex);
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appsrc->end_of_stream = TRUE;
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g_cond_signal (appsrc->cond);
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g_mutex_unlock (appsrc->mutex);
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}
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71
gst/app/gstappsrc.h
Normal file
71
gst/app/gstappsrc.h
Normal file
@ -0,0 +1,71 @@
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/* GStreamer
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* Copyright (C) 2007 David 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
|
||||||
|
* License as published by the Free Software Foundation; either
|
||||||
|
* 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
|
||||||
|
* 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
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||||||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
* Boston, MA 02111-1307, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _GST_APP_SRC_H_
|
||||||
|
#define _GST_APP_SRC_H_
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <gst/base/gstpushsrc.h>
|
||||||
|
|
||||||
|
#define GST_TYPE_APP_SRC \
|
||||||
|
(gst_app_src_get_type())
|
||||||
|
#define GST_APP_SRC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_APP_SRC,GstAppSrc))
|
||||||
|
#define GST_APP_SRC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_APP_SRC,GstAppSrcClass))
|
||||||
|
#define GST_IS_APP_SRC(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_APP_SRC))
|
||||||
|
#define GST_IS_APP_SRC_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_APP_SRC))
|
||||||
|
|
||||||
|
typedef struct _GstAppSrc GstAppSrc;
|
||||||
|
typedef struct _GstAppSrcClass GstAppSrcClass;
|
||||||
|
|
||||||
|
struct _GstAppSrc
|
||||||
|
{
|
||||||
|
GstPushSrc pushsrc;
|
||||||
|
|
||||||
|
/*< private >*/
|
||||||
|
gboolean unlock;
|
||||||
|
GCond *cond;
|
||||||
|
GMutex *mutex;
|
||||||
|
GQueue *queue;
|
||||||
|
GstCaps *caps;
|
||||||
|
gboolean end_of_stream;
|
||||||
|
gboolean flush;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstAppSrcClass
|
||||||
|
{
|
||||||
|
GstPushSrcClass pushsrc_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_app_src_get_type(void);
|
||||||
|
|
||||||
|
GST_DEBUG_CATEGORY_EXTERN (app_src_debug);
|
||||||
|
|
||||||
|
|
||||||
|
void gst_app_src_push_buffer (GstAppSrc *appsrc, GstBuffer *buffer);
|
||||||
|
void gst_app_src_set_caps (GstAppSrc *appsrc, GstCaps *caps);
|
||||||
|
void gst_app_src_flush (GstAppSrc *appsrc);
|
||||||
|
void gst_app_src_end_of_stream (GstAppSrc *appsrc);
|
||||||
|
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
Loading…
x
Reference in New Issue
Block a user