2011-06-24 13:56:43 +00:00
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/*
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* RSound audio output driver
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*
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* Copyright (C) 2011 Hans-Kristian Arntzen
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*
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* This file is part of mplayer2.
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*
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* mplayer2 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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* mplayer2 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 along
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* with mplayer2; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <rsound.h>
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#include "talloc.h"
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2013-08-06 20:41:30 +00:00
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#include "mpvcore/m_option.h"
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2011-06-24 13:56:43 +00:00
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#include "osdep/timer.h"
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2012-11-09 00:06:43 +00:00
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#include "audio/format.h"
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#include "ao.h"
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2011-06-24 13:56:43 +00:00
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struct priv {
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rsound_t *rd;
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2013-07-21 20:33:09 +00:00
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const char *host;
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const char *port;
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2011-06-24 13:56:43 +00:00
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};
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static int set_format(struct ao *ao)
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{
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int rsd_format;
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switch (ao->format) {
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case AF_FORMAT_U8:
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rsd_format = RSD_U8;
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break;
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case AF_FORMAT_S8:
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rsd_format = RSD_S8;
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break;
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case AF_FORMAT_S16_LE:
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rsd_format = RSD_S16_LE;
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break;
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case AF_FORMAT_S16_BE:
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rsd_format = RSD_S16_BE;
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break;
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case AF_FORMAT_U16_LE:
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rsd_format = RSD_U16_LE;
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break;
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case AF_FORMAT_U16_BE:
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rsd_format = RSD_U16_BE;
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break;
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case AF_FORMAT_S24_LE:
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case AF_FORMAT_S24_BE:
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case AF_FORMAT_U24_LE:
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case AF_FORMAT_U24_BE:
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rsd_format = RSD_S32_LE;
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ao->format = AF_FORMAT_S32_LE;
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break;
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case AF_FORMAT_S32_LE:
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rsd_format = RSD_S32_LE;
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break;
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case AF_FORMAT_S32_BE:
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rsd_format = RSD_S32_BE;
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break;
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case AF_FORMAT_U32_LE:
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rsd_format = RSD_U32_LE;
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break;
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case AF_FORMAT_U32_BE:
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rsd_format = RSD_U32_BE;
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break;
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default:
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rsd_format = RSD_S16_LE;
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ao->format = AF_FORMAT_S16_LE;
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}
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return rsd_format;
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}
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2013-07-22 20:57:51 +00:00
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static int init(struct ao *ao)
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2011-06-24 13:56:43 +00:00
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{
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2013-07-21 20:33:09 +00:00
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struct priv *priv = ao->priv;
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2011-06-24 13:56:43 +00:00
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2013-07-21 20:33:09 +00:00
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if (rsd_init(&priv->rd) < 0)
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2011-06-24 13:56:43 +00:00
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return -1;
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2013-07-21 20:33:09 +00:00
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if (priv->host && priv->host[0])
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rsd_set_param(priv->rd, RSD_HOST, priv->host);
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2011-06-24 13:56:43 +00:00
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2013-07-21 20:33:09 +00:00
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if (priv->port && priv->port[0])
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rsd_set_param(priv->rd, RSD_PORT, priv->port);
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2011-06-24 13:56:43 +00:00
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2013-05-09 16:06:26 +00:00
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// Actual channel layout unknown.
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struct mp_chmap_sel sel = {0};
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mp_chmap_sel_add_waveext_def(&sel);
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if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels)) {
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rsd_free(priv->rd);
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return -1;
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}
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2013-04-05 21:06:22 +00:00
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2011-06-24 13:56:43 +00:00
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rsd_set_param(priv->rd, RSD_SAMPLERATE, &ao->samplerate);
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2013-04-05 21:06:22 +00:00
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rsd_set_param(priv->rd, RSD_CHANNELS, &ao->channels.num);
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2011-06-24 13:56:43 +00:00
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2013-11-10 22:15:02 +00:00
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ao->format = af_fmt_from_planar(ao->format);
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2011-06-24 13:56:43 +00:00
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int rsd_format = set_format(ao);
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rsd_set_param(priv->rd, RSD_FORMAT, &rsd_format);
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if (rsd_start(priv->rd) < 0) {
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rsd_free(priv->rd);
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return -1;
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}
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return 0;
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}
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static void uninit(struct ao *ao, bool cut_audio)
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{
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struct priv *priv = ao->priv;
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/* The API does not provide a direct way to explicitly wait until
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* the last byte has been played server-side as this cannot be
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* guaranteed by backend drivers, so we approximate this behavior.
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*/
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if (!cut_audio)
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2013-05-25 17:56:52 +00:00
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mp_sleep_us(rsd_delay_ms(priv->rd) * 1000);
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2011-06-24 13:56:43 +00:00
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rsd_stop(priv->rd);
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rsd_free(priv->rd);
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}
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static void reset(struct ao *ao)
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{
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struct priv *priv = ao->priv;
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rsd_stop(priv->rd);
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rsd_start(priv->rd);
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}
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static void audio_pause(struct ao *ao)
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{
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struct priv *priv = ao->priv;
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rsd_pause(priv->rd, 1);
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}
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static void audio_resume(struct ao *ao)
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{
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struct priv *priv = ao->priv;
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rsd_pause(priv->rd, 0);
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}
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static int get_space(struct ao *ao)
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{
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struct priv *priv = ao->priv;
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2013-11-10 22:24:21 +00:00
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return rsd_get_avail(priv->rd) / ao->sstride;
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2011-06-24 13:56:43 +00:00
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}
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2013-11-10 22:24:21 +00:00
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static int play(struct ao *ao, void **data, int samples, int flags)
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2011-06-24 13:56:43 +00:00
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{
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struct priv *priv = ao->priv;
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2013-11-10 22:24:21 +00:00
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return rsd_write(priv->rd, data[0], samples * ao->sstride) / ao->sstride;
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2011-06-24 13:56:43 +00:00
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}
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static float get_delay(struct ao *ao)
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{
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struct priv *priv = ao->priv;
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return rsd_delay_ms(priv->rd) / 1000.0;
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}
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2013-07-21 20:33:09 +00:00
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#define OPT_BASE_STRUCT struct priv
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2011-06-24 13:56:43 +00:00
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const struct ao_driver audio_out_rsound = {
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2013-10-23 17:07:27 +00:00
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.description = "RSound output driver",
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.name = "rsound",
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2011-06-24 13:56:43 +00:00
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.init = init,
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.uninit = uninit,
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.reset = reset,
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.get_space = get_space,
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.play = play,
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.get_delay = get_delay,
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.pause = audio_pause,
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.resume = audio_resume,
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2013-07-21 20:33:09 +00:00
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.priv_size = sizeof(struct priv),
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.options = (const struct m_option[]) {
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OPT_STRING("host", host, 0),
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OPT_STRING("port", port, 0),
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{0}
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},
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2011-06-24 13:56:43 +00:00
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};
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