added simple audio file play utility
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maroy
parent
d178e61d8d
commit
562b2ee49f
3 changed files with 201 additions and 1 deletions
64
livesupport/modules/gstreamerElements/bin/play.sh
Executable file
64
livesupport/modules/gstreamerElements/bin/play.sh
Executable file
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@ -0,0 +1,64 @@
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#!/bin/sh
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#-------------------------------------------------------------------------------
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# Copyright (c) 2004 Media Development Loan Fund
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#
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# This file is part of the LiveSupport project.
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# http://livesupport.campware.org/
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# To report bugs, send an e-mail to bugs@campware.org
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#
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# LiveSupport is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# LiveSupport 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
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with LiveSupport; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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#
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# Author : $Author: maroy $
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# Version : $Revision: 1.1 $
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# Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/gstreamerElements/bin/play.sh,v $
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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# Play an audio file by using gstreamer and autoplugging.
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#-------------------------------------------------------------------------------
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# assume we're in $basedir/bin
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reldir=`dirname $0`/..
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basedir=`cd $reldir; pwd;`
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test -z "$basedir" && basedir=.
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usrdir=`cd $basedir/../../usr; pwd;`
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bindir=$basedir/bin
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etcdir=$basedir/etc
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libdir=$basedir/lib
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tmpdir=$basedir/tmp
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play=$tmpdir/play
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export CPPFLAGS="-I$usrdir/include"
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export LDFLAGS="-L$usrdir/lib"
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export PKG_CONFIG_PATH="$usrdir/lib/pkgconfig"
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export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$usrdir/lib"
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export GST_PLUGIN_PATH="$libdir"
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if [ ! -f $play ]; then
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echo "first build the play executable by issuing the following command:";
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echo "";
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echo "make all";
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exit -1;
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fi
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$play "$*"
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@ -21,7 +21,7 @@
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#
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#
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# Author : $Author: maroy $
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# Version : $Revision: 1.7 $
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# Version : $Revision: 1.8 $
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# Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/gstreamerElements/etc/Makefile.in,v $
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#
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# @configure_input@
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@ -92,6 +92,7 @@ SWITCHER_LIB = livesupport_switcher
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SWITCHER_LIB_FILE = ${LIB_DIR}/lib${SWITCHER_LIB}.so
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TEST_RUNNER = ${TMP_DIR}/testRunner
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PLAY = ${TMP_DIR}/play
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DOXYGEN_CONFIG = ${ETC_DIR}/doxygen.config
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@ -154,6 +155,10 @@ TEST_RUNNER_OBJS = ${TMP_DIR}/TestRunner.o \
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TEST_RUNNER_LIBS = -l${GSTREAMER_ELEMENTS_LIB} -l${CORE_LIB} \
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-lcppunit -ldl -lxmlrpc++
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PLAY_OBJS = ${TMP_DIR}/play.o
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PLAY_LIBS = -l${GSTREAMER_ELEMENTS_LIB} -l${CORE_LIB}
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#-------------------------------------------------------------------------------
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# Targets
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@ -165,6 +170,7 @@ all: dir_setup ${GSTREAMER_ELEMENTS_LIB_FILE} \
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${MINIMAL_AUDIO_SMIL_LIB_FILE} \
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${PARTIAL_PLAY_LIB_FILE} \
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${SWITCHER_LIB_FILE} \
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${PLAY} \
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gst_register
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dir_setup: ${TMP_DIR} ${DOXYGEN_DIR}
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@ -183,6 +189,7 @@ clean:
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${RM} ${PARTIAL_PLAY_LIB_OBJS} ${PARTIAL_PLAY_LIB_FILE}
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${RM} ${SWITCHER_LIB_OBJS} ${SWITCHER_LIB_FILE}
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${RM} ${TEST_RUNNER_OBJS} ${TEST_RUNNER_RES} ${TEST_RUNNER}
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${RM} ${PLAY_OBJS} ${PLAY}
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${RM} ${TMP_DIR}/*.bb ${TMP_DIR}/*.bbg ${TMP_DIR}/*.da ${TMP_DIR}/*.info
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docclean:
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@ -231,6 +238,9 @@ ${TEST_RUNNER}: ${CORE_LIB_FILE} ${GSTREAMER_ELEMENTS_LIB_FILE} \
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${TEST_RUNNER_OBJS}
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${CXX} ${LDFLAGS} -o $@ ${TEST_RUNNER_OBJS} ${TEST_RUNNER_LIBS}
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${PLAY}: ${CORE_LIB_FILE} ${GSTREAMER_ELEMENTS_LIB_FILE} ${PLAY_OBJS}
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${CXX} ${LDFLAGS} -o $@ ${PLAY_OBJS} ${PLAY_LIBS}
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${CORE_LIB_FILE}:
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${MAKE} -C ${CORE_DIR}
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126
livesupport/modules/gstreamerElements/src/play.c
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126
livesupport/modules/gstreamerElements/src/play.c
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@ -0,0 +1,126 @@
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/*------------------------------------------------------------------------------
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Copyright (c) 2004 Media Development Loan Fund
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This file is part of the LiveSupport project.
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http://livesupport.campware.org/
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To report bugs, send an e-mail to bugs@campware.org
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LiveSupport is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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LiveSupport 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with LiveSupport; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author : $Author: maroy $
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Version : $Revision: 1.1 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/gstreamerElements/src/play.c,v $
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------------------------------------------------------------------------------*/
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/* ============================================================ include files */
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#ifdef HAVE_CONFIG_H
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#include "configure.h"
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#endif
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#include <gst/gst.h>
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#include "LiveSupport/GstreamerElements/autoplug.h"
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/* =================================================== local data structures */
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/* ================================================ local constants & macros */
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/* =============================================== local function prototypes */
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/**
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* Program entry point.
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*
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* @param argc the number of command line arguments.
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* @param argv the command line argument array.
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* @return 0 on success, non-0 on failure.
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*/
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int
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main(int argc,
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char ** argv);
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/* ============================================================= module code */
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/*------------------------------------------------------------------------------
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* Program entry point.
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*----------------------------------------------------------------------------*/
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int
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main(int argc,
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char ** argv)
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{
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GstElement * pipeline;
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GstElement * source;
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GstElement * decoder;
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GstElement * sink;
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GstFormat format;
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gint64 timePlayed;
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/* initialize GStreamer */
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gst_init(&argc, &argv);
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if (argc != 2) {
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g_print("Usage: %s <audio filename>\n", argv[0]);
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return -1;
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}
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/* create elements */
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pipeline = gst_pipeline_new("audio-player");
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source = gst_element_factory_make("filesrc", "source");
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sink = gst_element_factory_make("alsasink", "alsa-output");
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g_object_set(G_OBJECT(source), "location", argv[1], NULL);
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decoder = ls_gst_autoplug_plug_source(source, "decoder");
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if (!decoder) {
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gst_object_unref(GST_OBJECT(sink));
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gst_object_unref(GST_OBJECT(source));
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gst_object_unref(GST_OBJECT(pipeline));
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return -1;
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}
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gst_element_link(decoder, sink);
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gst_bin_add_many(GST_BIN(pipeline), source, decoder, sink, NULL);
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gst_element_set_state(source, GST_STATE_PAUSED);
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gst_element_set_state(decoder, GST_STATE_PAUSED);
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gst_element_set_state(sink, GST_STATE_PAUSED);
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gst_element_set_state(pipeline, GST_STATE_PLAYING);
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// iterate until playTo is reached
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while (gst_bin_iterate(GST_BIN(pipeline)));
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/* FIXME: query the decoder, as for some reason, the sink will return
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* unreal numbers, when playing back mp3s only! */
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format = GST_FORMAT_TIME;
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gst_element_query(decoder, GST_QUERY_POSITION, &format, &timePlayed);
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g_print("time played: %" G_GINT64_FORMAT " ns\n", timePlayed);
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/* clean up nicely */
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gst_element_set_state(pipeline, GST_STATE_NULL);
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gst_object_unref(GST_OBJECT(pipeline));
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return 0;
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}
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