On Mon, Jun 14, 2010 at 3:28 AM, Colin Guthrie <gmane at colin.guthr.ie> wrote: > 'Twas brillig, and Scott Sibley at 14/06/10 08:56 did gyre and gimble: > > Hello. I'm writing a pulseaudio plugin for a visualization project, and > > I'm going by the recording example from the pulseaudio documentation. > > That example fails to print anything. There's another visualization > > project that uses the async API, and it works fine on my computer, so I > > think pulseaudio is working correctly. What might I be missing to get > > the simple API example working? > > > > Here's how I compiled the example. > > > > gcc -o test test.c `pkg-config --libs --cflags libpulse libpulse-simple` > > > Did you mean to include some example code with this? > > Col > > -- > > Colin Guthrie > gmane(at)colin.guthr.ie > http://colin.guthr.ie/ > > Day Job: > Tribalogic Limited [http://www.tribalogic.net/] > Open Source: > Mandriva Linux Contributor [http://www.mandriva.com/] > PulseAudio Hacker [http://www.pulseaudio.org/] > Trac Hacker [http://trac.edgewall.org/] > > _______________________________________________ > pulseaudio-discuss mailing list > pulseaudio-discuss at mail.0pointer.de > https://tango.0pointer.de/mailman/listinfo/pulseaudio-discuss > No I didn't. I'm speaking of the example that comes with the pulse audio documentation. The recording example. Here's that example: /*** 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, 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 <stdio.h> #include <unistd.h> #include <string.h> #include <errno.h> #include <pulse/simple.h> #include <pulse/error.h> #include <pulse/gccmacro.h> #define BUFSIZE 1024 /* A simple routine calling UNIX write() in a loop */ static ssize_t loop_write(int fd, const void*data, size_t size) { ssize_t ret = 0; while (size > 0) { ssize_t r; if ((r = write(fd, data, size)) < 0) return r; if (r == 0) break; ret += r; data = (const uint8_t*) data + r; size -= (size_t) r; } return ret; } int main(int argc, char*argv[]) { /* The sample type 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; /* Create the recording stream */ if (!(s = pa_simple_new(NULL, argv[0], PA_STREAM_RECORD, NULL, "record", &ss, NULL, NULL, &error))) { fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error)); goto finish; } for (;;) { uint8_t buf[BUFSIZE]; /* Record some data ... */ if (pa_simple_read(s, buf, sizeof(buf), &error) < 0) { fprintf(stderr, __FILE__": pa_simple_read() failed: %s\n", pa_strerror(error)); goto finish; } /* And write it to STDOUT */ if (loop_write(STDOUT_FILENO, buf, sizeof(buf)) != sizeof(buf)) { fprintf(stderr, __FILE__": write() failed: %s\n", strerror(errno)); goto finish; } } ret = 0; finish: if (s) pa_simple_free(s); return ret; } -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20100614/87dfa200/attachment.htm>
