#!/bin/sh
#*=====================================================================*/
#*    serrano/prgm/project/bigloo/bigloo/autoconf/pulseaudio           */
#*    -------------------------------------------------------------    */
#*    Author      :  Manuel Serrano                                    */
#*    Creation    :  Thu Dec 27 06:26:38 2007                          */
#*    Last change :  Mon Jul 10 13:58:13 2023 (serrano)                */
#*    Copyright   :  2007-23 Manuel Serrano                            */
#*    -------------------------------------------------------------    */
#*    Check if PULSEAUDIO is available.                                */
#*=====================================================================*/

#*---------------------------------------------------------------------*/
#*    flags                                                            */
#*---------------------------------------------------------------------*/
cflags=

#*---------------------------------------------------------------------*/
#*    We parse the arguments                                           */
#*---------------------------------------------------------------------*/
while : ; do
  case $1 in
    "")
      break;;

    --cflags=*|-cflags=*)
      cflags="`echo $1 | sed 's/^[-a-z]*=//'`";;

    --pkg-config=*|-pkg-config=*)
      pkgconfig="`echo $1 | sed 's/^[-a-z]*=//'`";;

    -*)
      echo "Unknown option \"$1\", ignored" >&2;;
  esac
  shift
done


file=$TMP/actest$USER
aout=$TMP/Xactest$USER

#*---------------------------------------------------------------------*/
#*    cflags                                                           */
#*---------------------------------------------------------------------*/
lflags=`pkg-config --cflags --libs libpulse-simple` > /dev/null

if [ $? != 0 ]; then
  lflags=`pkg-config --cflags --libs libpulse-simple` > /dev/null
  if [ $? != 0 ]; then
    echo "no"
    exit 0
  fi
fi

#*---------------------------------------------------------------------*/
#*    compile                                                          */
#*---------------------------------------------------------------------*/
compile="$CC $cflags $file.c $lflags -o $aout >/dev/null"

#*---------------------------------------------------------------------*/
#*    The test C file                                                  */
#*---------------------------------------------------------------------*/
if( test -f $file.c ); then
   rm -f $file.c || exit $?
fi

#*---------------------------------------------------------------------*/
#*    Test                                                             */
#*---------------------------------------------------------------------*/
cat > $file.c <<EOF
/***
  This file is part of PulseAudio.
  PulseAudio is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published
  by the Free Software Foundation; either version 2.1 of the License,
  or (at your option) any later version.
  PulseAudio 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
  General Public License for more details.
  You should have received a copy of the GNU Lesser General Public License
  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <pulse/simple.h>
#include <pulse/error.h>
#define BUFSIZE 1024
int main(int argc, char*argv[]) {
    /* The Sample format to use */
    static const pa_sample_spec ss = {
        .format = PA_SAMPLE_S16LE,
        .rate = 44100,
        .channels = 2
    };
    pa_simple *s = NULL;
    int ret = 1;
    int error;
    /* replace STDIN with the specified file if needed */
    if (argc > 1) {
        int fd;
        if ((fd = open(argv[1], O_RDONLY)) < 0) {
            fprintf(stderr, __FILE__": open() failed: %s\n", strerror(errno));
            goto finish;
        }
        if (dup2(fd, STDIN_FILENO) < 0) {
            fprintf(stderr, __FILE__": dup2() failed: %s\n", strerror(errno));
            goto finish;
        }
        close(fd);
    }
    /* Create a new playback stream */
    if (!(s = pa_simple_new(NULL, argv[0], PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, NULL, &error))) {
        fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
        goto finish;
    }
    fprintf( stderr, "before loop\n" );
    
    for (;;) {
        uint8_t buf[BUFSIZE];
        ssize_t r;
#if 0
        pa_usec_t latency;
        if ((latency = pa_simple_get_latency(s, &error)) == (pa_usec_t) -1) {
            fprintf(stderr, __FILE__": pa_simple_get_latency() failed: %s\n", pa_strerror(error));
            goto finish;
        }
        fprintf(stderr, "%0.0f usec    \r", (float)latency);
#endif
        /* Read some data ... */
        if ((r = read(STDIN_FILENO, buf, sizeof(buf))) <= 0) {
            if (r == 0) /* EOF */
                break;
            fprintf(stderr, __FILE__": read() failed: %s\n", strerror(errno));
            goto finish;
        }
        /* ... and play it */
        if (pa_simple_write(s, buf, (size_t) r, &error) < 0) {
            fprintf(stderr, __FILE__": pa_simple_write() failed: %s\n", pa_strerror(error));
            goto finish;
        }
    }
    /* Make sure that every single sample was played */
    if (pa_simple_drain(s, &error) < 0) {
        fprintf(stderr, __FILE__": pa_simple_drain() failed: %s\n", pa_strerror(error));
        goto finish;
    }
    ret = 0;
finish:
    if (s)
        pa_simple_free(s);
    return ret;
}
EOF

#*---------------------------------------------------------------------*/
#*    Compilation test                                                 */
#*---------------------------------------------------------------------*/
if eval "$BUILDSH $compile"; then
   echo "yes"
else
   echo "no"
fi

\rm -f $file.*
\rm -f $aout
\rm -rf $aout*

exit 0
