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e69ece9d7e
Original commit message from CVS: remove copyright field from plugins
465 lines
14 KiB
C
465 lines
14 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*************************************************************************/
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/* */
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/* Centre for Speech Technology Research */
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/* University of Edinburgh, UK */
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/* Copyright (c) 1999 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
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/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
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/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
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/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
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/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
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/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
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/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
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/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
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/* THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* Author : Alan W Black (awb@cstr.ed.ac.uk) */
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/* Date : March 1999 */
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/*-----------------------------------------------------------------------*/
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/* */
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/* Client end of Festival server API in C designed specifically for */
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/* Galaxy Communicator use though might be of use for other things */
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/* */
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/* This is a modified version of the standalone client as provided in */
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/* festival example code: festival_client.c */
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/* */
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/*=======================================================================*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "gstfestival.h"
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#include <gst/audio/audio.h>
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static void gst_festival_base_init (gpointer g_class);
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static void gst_festival_class_init (GstFestivalClass *klass);
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static void gst_festival_init (GstFestival *festival);
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static void gst_festival_chain (GstPad *pad, GstData *_data);
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static GstElementStateReturn
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gst_festival_change_state (GstElement *element);
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static FT_Info* festival_default_info (void);
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static char* socket_receive_file_to_buff (int fd,int *size);
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static char* client_accept_s_expr (int fd);
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/* elementfactory information */
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static GstElementDetails gst_festival_details = GST_ELEMENT_DETAILS (
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"Festival synthesizer",
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"Filter/Effect/Audio",
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"Synthesizes plain text into audio",
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"Wim Taymans <wim.taymans@chello.be>"
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);
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GST_PAD_TEMPLATE_FACTORY (sink_template_factory,
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"festival_sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_CAPS_NEW (
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"festival_wav",
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"text/plain",
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NULL
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)
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)
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GST_PAD_TEMPLATE_FACTORY (src_template_factory,
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"festival_src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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gst_caps_new (
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"festival_raw",
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"audio/x-raw-int",
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GST_AUDIO_INT_PAD_TEMPLATE_PROPS
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)
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)
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/* Festival signals and args */
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enum {
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/* FILL ME */
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LAST_SIGNAL
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};
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enum {
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ARG_0,
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/* FILL ME */
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};
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static GstElementClass *parent_class = NULL;
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/*static guint gst_festival_signals[LAST_SIGNAL] = { 0 }; */
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GType
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gst_festival_get_type (void)
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{
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static GType festival_type = 0;
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if (!festival_type) {
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static const GTypeInfo festival_info = {
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sizeof(GstFestivalClass),
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gst_festival_base_init,
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NULL,
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(GClassInitFunc) gst_festival_class_init,
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NULL,
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NULL,
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sizeof(GstFestival),
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0,
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(GInstanceInitFunc) gst_festival_init,
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};
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festival_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFestival", &festival_info, 0);
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}
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return festival_type;
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}
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static void
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gst_festival_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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/* register src pads */
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gst_element_class_add_pad_template (element_class, GST_PAD_TEMPLATE_GET (sink_template_factory));
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gst_element_class_add_pad_template (element_class, GST_PAD_TEMPLATE_GET (src_template_factory));
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gst_element_class_set_details (element_class, &gst_festival_details);
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}
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static void
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gst_festival_class_init (GstFestivalClass *klass)
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{
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GstElementClass *gstelement_class;
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gstelement_class = (GstElementClass*) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gstelement_class->change_state = gst_festival_change_state;
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}
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static void
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gst_festival_init (GstFestival *festival)
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{
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festival->sinkpad = gst_pad_new_from_template (
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GST_PAD_TEMPLATE_GET (sink_template_factory), "sink");
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gst_pad_set_chain_function (festival->sinkpad, gst_festival_chain);
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gst_element_add_pad (GST_ELEMENT (festival), festival->sinkpad);
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festival->srcpad = gst_pad_new_from_template (
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GST_PAD_TEMPLATE_GET (src_template_factory), "src");
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gst_element_add_pad (GST_ELEMENT (festival), festival->srcpad);
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festival->info = festival_default_info();
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}
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static void
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gst_festival_chain (GstPad *pad, GstData *_data)
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{
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GstBuffer *buf = GST_BUFFER (_data);
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gchar *wavefile;
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int filesize;
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FILE *fd;
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char *p;
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char ack[4];
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int n;
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GstFestival *festival;
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GstBuffer *outbuf;
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glong size;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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g_return_if_fail (GST_BUFFER_DATA (buf) != NULL);
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festival = GST_FESTIVAL (gst_pad_get_parent (pad));
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GST_DEBUG ("gst_festival_chain: got buffer in '%s'",
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gst_object_get_name (GST_OBJECT (festival)));
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fd = fdopen(dup(festival->info->server_fd),"wb");
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size = GST_BUFFER_SIZE (buf);
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/* Copy text over to server, escaping any quotes */
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fprintf(fd,"(tts_textall \"\n");
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for (p=GST_BUFFER_DATA(buf); p && (*p != '\0') && size; p++, size--)
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{
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if ((*p == '"') || (*p == '\\'))
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putc('\\',fd);
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putc(*p,fd);
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}
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fprintf(fd,"\" \"%s\")\n",festival->info->text_mode);
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fclose(fd);
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/* Read back info from server */
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/* This assumes only one waveform will come back, also LP is unlikely */
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wavefile = NULL;
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do {
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for (n=0; n < 3; )
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n += read(festival->info->server_fd,ack+n,3-n);
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ack[3] = '\0';
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if (strcmp(ack,"WV\n") == 0) /* receive a waveform */
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wavefile = socket_receive_file_to_buff (festival->info->server_fd, &filesize);
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else if (strcmp(ack,"LP\n") == 0) /* receive an s-expr */
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client_accept_s_expr(festival->info->server_fd);
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else if (strcmp(ack,"ER\n") == 0) /* server got an error */
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{
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fprintf(stderr,"festival_client: server returned error\n");
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break;
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}
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if (wavefile) {
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outbuf = gst_buffer_new ();
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GST_BUFFER_DATA (outbuf) = wavefile;
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GST_BUFFER_SIZE (outbuf) = filesize;
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if (!GST_PAD_CAPS (festival->srcpad)) {
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gst_pad_try_set_caps (festival->srcpad,
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GST_CAPS_NEW (
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"festival_src",
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"audio/x-raw-int",
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"endianness", GST_PROPS_INT (G_BYTE_ORDER),
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"signed", GST_PROPS_BOOLEAN (TRUE),
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"width", GST_PROPS_INT (16),
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"depth", GST_PROPS_INT (16),
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"rate", GST_PROPS_INT (16000),
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"channels", GST_PROPS_INT (1)
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));
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}
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gst_pad_push (festival->srcpad, GST_DATA (outbuf));
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wavefile = NULL;
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}
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} while (strcmp(ack,"OK\n") != 0);
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gst_buffer_unref (buf);
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}
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static FT_Info*
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festival_default_info (void)
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{
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FT_Info *info;
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info = (FT_Info *)malloc(1 * sizeof(FT_Info));
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info->server_host = FESTIVAL_DEFAULT_SERVER_HOST;
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info->server_port = FESTIVAL_DEFAULT_SERVER_PORT;
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info->text_mode = FESTIVAL_DEFAULT_TEXT_MODE;
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info->server_fd = -1;
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return info;
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}
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static int
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festival_socket_open (const char *host, int port)
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{
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/* Return an FD to a remote server */
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struct sockaddr_in serv_addr;
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struct hostent *serverhost;
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int fd;
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fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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if (fd < 0)
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{
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fprintf(stderr,"festival_client: can't get socket\n");
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return -1;
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}
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memset(&serv_addr, 0, sizeof(serv_addr));
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if ((serv_addr.sin_addr.s_addr = inet_addr(host)) == -1)
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{
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/* its a name rather than an ipnum */
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serverhost = gethostbyname(host);
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if (serverhost == (struct hostent *)0)
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{
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fprintf(stderr,"festival_client: gethostbyname failed\n");
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return -1;
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}
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memmove(&serv_addr.sin_addr,serverhost->h_addr, serverhost->h_length);
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}
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serv_addr.sin_family = AF_INET;
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serv_addr.sin_port = htons(port);
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if (connect(fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) != 0)
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{
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fprintf(stderr,"festival_client: connect to server failed\n");
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return -1;
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}
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return fd;
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}
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static char*
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client_accept_s_expr (int fd)
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{
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/* Read s-expression from server, as a char * */
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char *expr;
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int filesize;
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expr = socket_receive_file_to_buff(fd,&filesize);
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expr[filesize] = '\0';
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return expr;
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}
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static char*
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socket_receive_file_to_buff (int fd, int *size)
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{
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/* Receive file (probably a waveform file) from socket using */
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/* Festival key stuff technique, but long winded I know, sorry */
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/* but will receive any file without closeing the stream or */
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/* using OOB data */
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static const char *file_stuff_key = "ft_StUfF_key"; /* must == Festival's key */
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char *buff;
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int bufflen;
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int n,k,i;
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char c;
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bufflen = 1024;
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buff = (char *)malloc(bufflen);
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*size=0;
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for (k=0; file_stuff_key[k] != '\0';)
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{
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n = read(fd,&c,1);
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if (n==0) break; /* hit stream eof before end of file */
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if ((*size)+k+1 >= bufflen) {
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/* +1 so you can add a NULL if you want */
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bufflen += bufflen/4;
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buff = (char *)realloc(buff,bufflen);
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}
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if (file_stuff_key[k] == c)
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k++;
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else if ((c == 'X') && (file_stuff_key[k+1] == '\0')) {
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/* It looked like the key but wasn't */
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for (i=0; i < k; i++,(*size)++)
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buff[*size] = file_stuff_key[i];
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k=0;
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/* omit the stuffed 'X' */
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}
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else {
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for (i=0; i < k; i++,(*size)++)
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buff[*size] = file_stuff_key[i];
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k=0;
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buff[*size] = c;
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(*size)++;
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}
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}
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return buff;
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}
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/***********************************************************************/
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/* Public Functions to this API */
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/***********************************************************************/
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static gboolean
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gst_festival_open (GstFestival *festival)
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{
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/* Open socket to server */
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if (festival->info == NULL)
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festival->info = festival_default_info();
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festival->info->server_fd =
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festival_socket_open(festival->info->server_host, festival->info->server_port);
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if (festival->info->server_fd == -1)
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return FALSE;
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return TRUE;
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}
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static void
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gst_festival_close (GstFestival *festival)
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{
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if (festival->info == NULL)
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return;
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if (festival->info->server_fd != -1)
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close(festival->info->server_fd);
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return;
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}
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static GstElementStateReturn
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gst_festival_change_state (GstElement *element)
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{
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g_return_val_if_fail (GST_IS_FESTIVAL (element), GST_STATE_FAILURE);
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if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
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if (GST_FLAG_IS_SET (element, GST_FESTIVAL_OPEN))
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gst_festival_close (GST_FESTIVAL (element));
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} else {
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if (!GST_FLAG_IS_SET (element, GST_FESTIVAL_OPEN)) {
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if (!gst_festival_open (GST_FESTIVAL (element)))
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return GST_STATE_FAILURE;
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}
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}
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if (GST_ELEMENT_CLASS (parent_class)->change_state)
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return GST_ELEMENT_CLASS (parent_class)->change_state (element);
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return GST_STATE_SUCCESS;
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}
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static gboolean
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plugin_init (GstPlugin *plugin)
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{
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if (!gst_element_register (plugin, "festival", GST_RANK_NONE, GST_TYPE_FESTIVAL))
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return FALSE;
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return TRUE;
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}
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GST_PLUGIN_DEFINE (
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GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"festival",
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"Synthesizes plain text into audio",
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plugin_init,
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VERSION,
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"LGPL",
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GST_PACKAGE,
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GST_ORIGIN
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);
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