008d9875bc
sa_stream_get_min_write() func to sydney_audio_sndio.c, required by ffx4.0b9. (ofc it doesn't confuse other mozilla ports)
334 lines
11 KiB
C
334 lines
11 KiB
C
/* $OpenBSD: sydney_audio_sndio.c,v 1.4 2011/01/18 12:33:39 landry Exp $ */
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/*
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* Copyright (c) 2009 Martynas Venckus <martynas@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Initial Developer of the Original Code is
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* Copyright (C) 2008 Sun Microsystems, Inc.,
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* Brian Lu <brian.lu@sun.com>
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** *
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*/
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#include <sys/types.h>
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#include <poll.h>
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#include <sndio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "sydney_audio.h"
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struct sa_stream {
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struct sio_hdl *handle;
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struct pollfd pfd;
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size_t bpf;
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int64_t position, written;
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unsigned int buffer, channels, format, rate;
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};
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static void onmove_callback(void *data, int);
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/*
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* STARTUP AND SHUTDOWN FUNCTIONS
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*/
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int
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sa_stream_create_pcm(sa_stream_t **_s, const char *client_name,
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sa_mode_t mode, sa_pcm_format_t format, unsigned int rate,
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unsigned int channels)
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{
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sa_stream_t *s;
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if (_s == NULL)
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return SA_ERROR_INVALID;
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*_s = NULL;
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if (mode != SA_MODE_WRONLY || (format != SA_PCM_FORMAT_S16_LE &&
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format != SA_PCM_FORMAT_S16_BE))
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return SA_ERROR_NOT_SUPPORTED;
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s = malloc(sizeof(sa_stream_t));
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if (s == NULL)
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return SA_ERROR_OOM;
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s->handle = NULL;
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s->channels = channels;
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s->format = 16;
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s->rate = rate;
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s->written = 0;
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s->position = 0;
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s->buffer = 0;
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*_s = s;
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return SA_SUCCESS;
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}
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int
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sa_stream_open(sa_stream_t *s)
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{
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struct sio_hdl *handle;
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struct sio_par par;
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if (s == NULL)
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return SA_ERROR_NO_INIT;
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if (s->handle != NULL)
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return SA_ERROR_INVALID;
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handle = sio_open(NULL, SIO_PLAY, 0);
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if (handle == NULL)
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return SA_ERROR_NO_DEVICE;
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sio_initpar(&par);
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par.bits = s->format;
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par.le = SIO_LE_NATIVE;
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par.pchan = s->channels;
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par.rate = s->rate;
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par.sig = 1;
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if (!sio_setpar(handle, &par) || !sio_getpar(handle, &par)) {
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sio_close(handle);
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return SA_ERROR_NOT_SUPPORTED;
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}
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if (par.bits != s->format || par.le != SIO_LE_NATIVE ||
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par.pchan != s->channels || par.rate != s->rate || par.sig != 1) {
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sio_close(handle);
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return SA_ERROR_NOT_SUPPORTED;
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}
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sio_onmove(handle, onmove_callback, s);
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if (!sio_start(handle)) {
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sio_close(handle);
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return SA_ERROR_NOT_SUPPORTED;
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}
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s->bpf = par.pchan * par.bps;
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s->buffer = par.bufsz * s->bpf;
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s->handle = handle;
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return SA_SUCCESS;
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}
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int
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sa_stream_destroy(sa_stream_t *s)
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{
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if (s != NULL) {
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if (s->handle != NULL)
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sio_close(s->handle);
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free(s);
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}
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return SA_SUCCESS;
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}
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/*
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* DATA READ AND WRITE FUNCTIONS
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*/
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int
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sa_stream_write(sa_stream_t *s, const void *data, size_t nbytes)
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{
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size_t n;
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if (s == NULL || s->handle == NULL)
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return SA_ERROR_NO_INIT;
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if (nbytes == 0)
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return SA_SUCCESS;
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n = sio_write(s->handle, data, nbytes);
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if (n == 0)
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return SA_ERROR_SYSTEM;
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s->written += n;
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return SA_SUCCESS;
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}
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/*
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* GENERAL QUERY AND SUPPORT FUNCTIONS
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*/
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int
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sa_stream_get_write_size(sa_stream_t *s, size_t *size)
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{
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if (s == NULL || s->handle == NULL)
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return SA_ERROR_NO_INIT;
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*size = (s->buffer - (s->written - s->position));
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return SA_SUCCESS;
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}
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int
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sa_stream_get_position(sa_stream_t *s, sa_position_t position, int64_t *pos)
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{
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if (s == NULL)
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return SA_ERROR_NO_INIT;
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sio_pollfd(s->handle, &s->pfd, 0);
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poll(&s->pfd, 1, 0);
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sio_revents(s->handle, &s->pfd);
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*pos = s->position;
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return SA_SUCCESS;
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}
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/*
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* PRIVATE SNDIO API SPECIFIC FUNCTIONS
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*/
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static void
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onmove_callback(void *arg, int delta)
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{
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sa_stream_t *s = (sa_stream_t*)arg;
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s->position += delta * s->bpf;
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}
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/*
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* UNSUPPORTED FUNCTIONS
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*/
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#define UNSUPPORTED(func) func { return SA_ERROR_NOT_SUPPORTED; }
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UNSUPPORTED(int sa_stream_set_volume_abs(sa_stream_t *s, float vol))
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UNSUPPORTED(int sa_stream_get_volume_abs(sa_stream_t *s, float *vol))
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UNSUPPORTED(int sa_stream_pause(sa_stream_t *s))
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UNSUPPORTED(int sa_stream_resume(sa_stream_t *s))
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UNSUPPORTED(int sa_stream_create_opaque(sa_stream_t **s,
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const char *client_name, sa_mode_t mode, const char *codec))
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UNSUPPORTED(int sa_stream_set_write_lower_watermark(sa_stream_t *s,
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size_t size))
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UNSUPPORTED(int sa_stream_set_read_lower_watermark(sa_stream_t *s, size_t size))
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UNSUPPORTED(int sa_stream_set_write_upper_watermark(sa_stream_t *s,
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size_t size))
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UNSUPPORTED(int sa_stream_set_read_upper_watermark(sa_stream_t *s, size_t size))
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UNSUPPORTED(int sa_stream_set_channel_map(sa_stream_t *s,
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const sa_channel_t map[], unsigned int n))
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UNSUPPORTED(int sa_stream_set_xrun_mode(sa_stream_t *s, sa_xrun_mode_t mode))
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UNSUPPORTED(int sa_stream_set_non_interleaved(sa_stream_t *s, int enable))
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UNSUPPORTED(int sa_stream_set_dynamic_rate(sa_stream_t *s, int enable))
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UNSUPPORTED(int sa_stream_set_driver(sa_stream_t *s, const char *driver))
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UNSUPPORTED(int sa_stream_start_thread(sa_stream_t *s,
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sa_event_callback_t callback))
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UNSUPPORTED(int sa_stream_stop_thread(sa_stream_t *s))
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UNSUPPORTED(int sa_stream_change_device(sa_stream_t *s,
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const char *device_name))
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UNSUPPORTED(int sa_stream_change_read_volume(sa_stream_t *s,
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const int32_t vol[], unsigned int n))
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UNSUPPORTED(int sa_stream_change_write_volume(sa_stream_t *s,
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const int32_t vol[], unsigned int n))
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UNSUPPORTED(int sa_stream_change_rate(sa_stream_t *s, unsigned int rate))
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UNSUPPORTED(int sa_stream_change_meta_data(sa_stream_t *s, const char *name,
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const void *data, size_t size))
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UNSUPPORTED(int sa_stream_change_user_data(sa_stream_t *s, const void *value))
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UNSUPPORTED(int sa_stream_set_adjust_rate(sa_stream_t *s,
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sa_adjust_t direction))
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UNSUPPORTED(int sa_stream_set_adjust_nchannels(sa_stream_t *s,
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sa_adjust_t direction))
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UNSUPPORTED(int sa_stream_set_adjust_pcm_format(sa_stream_t *s,
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sa_adjust_t direction))
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UNSUPPORTED(int sa_stream_set_adjust_watermarks(sa_stream_t *s,
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sa_adjust_t direction))
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UNSUPPORTED(int sa_stream_get_mode(sa_stream_t *s, sa_mode_t *access_mode))
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UNSUPPORTED(int sa_stream_get_codec(sa_stream_t *s, char *codec, size_t *size))
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UNSUPPORTED(int sa_stream_get_pcm_format(sa_stream_t *s,
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sa_pcm_format_t *format))
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UNSUPPORTED(int sa_stream_get_rate(sa_stream_t *s, unsigned int *rate))
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UNSUPPORTED(int sa_stream_get_nchannels(sa_stream_t *s, int *nchannels))
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UNSUPPORTED(int sa_stream_get_user_data(sa_stream_t *s, void **value))
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UNSUPPORTED(int sa_stream_get_write_lower_watermark(sa_stream_t *s,
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size_t *size))
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UNSUPPORTED(int sa_stream_get_read_lower_watermark(sa_stream_t *s,
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size_t *size))
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UNSUPPORTED(int sa_stream_get_write_upper_watermark(sa_stream_t *s,
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size_t *size))
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UNSUPPORTED(int sa_stream_get_read_upper_watermark(sa_stream_t *s,
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size_t *size))
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UNSUPPORTED(int sa_stream_get_channel_map(sa_stream_t *s, sa_channel_t map[],
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unsigned int *n))
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UNSUPPORTED(int sa_stream_get_xrun_mode(sa_stream_t *s, sa_xrun_mode_t *mode))
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UNSUPPORTED(int sa_stream_get_non_interleaved(sa_stream_t *s, int *enabled))
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UNSUPPORTED(int sa_stream_get_dynamic_rate(sa_stream_t *s, int *enabled))
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UNSUPPORTED(int sa_stream_get_driver(sa_stream_t *s, char *driver_name,
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size_t *size))
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UNSUPPORTED(int sa_stream_get_device(sa_stream_t *s, char *device_name,
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size_t *size))
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UNSUPPORTED(int sa_stream_get_read_volume(sa_stream_t *s, int32_t vol[],
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unsigned int *n))
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UNSUPPORTED(int sa_stream_get_write_volume(sa_stream_t *s, int32_t vol[],
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unsigned int *n))
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UNSUPPORTED(int sa_stream_get_meta_data(sa_stream_t *s, const char *name,
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void *data, size_t *size))
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UNSUPPORTED(int sa_stream_get_adjust_rate(sa_stream_t *s,
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sa_adjust_t *direction))
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UNSUPPORTED(int sa_stream_get_adjust_nchannels(sa_stream_t *s,
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sa_adjust_t *direction))
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UNSUPPORTED(int sa_stream_get_adjust_pcm_format(sa_stream_t *s,
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sa_adjust_t *direction))
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UNSUPPORTED(int sa_stream_get_adjust_watermarks(sa_stream_t *s,
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sa_adjust_t *direction))
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UNSUPPORTED(int sa_stream_get_state(sa_stream_t *s, sa_state_t *state))
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UNSUPPORTED(int sa_stream_get_event_error(sa_stream_t *s, sa_error_t *error))
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UNSUPPORTED(int sa_stream_get_event_notify(sa_stream_t *s, sa_notify_t *notify))
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UNSUPPORTED(int sa_stream_read(sa_stream_t *s, void *data, size_t nbytes))
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UNSUPPORTED(int sa_stream_read_ni(sa_stream_t *s, unsigned int channel,
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void *data, size_t nbytes))
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UNSUPPORTED(int sa_stream_write_ni(sa_stream_t *s, unsigned int channel,
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const void *data, size_t nbytes))
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UNSUPPORTED(int sa_stream_pwrite(sa_stream_t *s, const void *data,
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size_t nbytes, int64_t offset, sa_seek_t whence))
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UNSUPPORTED(int sa_stream_pwrite_ni(sa_stream_t *s, unsigned int channel,
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const void *data, size_t nbytes, int64_t offset, sa_seek_t whence))
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UNSUPPORTED(int sa_stream_get_read_size(sa_stream_t *s, size_t *size))
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UNSUPPORTED(int sa_stream_drain(sa_stream_t *s))
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UNSUPPORTED(int sa_stream_get_min_write(sa_stream_t *s, size_t *samples))
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const char *sa_strerror(int code) { return NULL; }
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