SCI: Reimplemented the SCI mixer based on the old SCI DC mixer by walter, and by taking advantage of ScummVM's mixers capabilities. Got rid of sfx_pcm_mixer_t
svn-id: r39053
This commit is contained in:
Max Horn
parent
a718713925
commit
00db87563a
5 changed files with 189 additions and 1243 deletions
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@ -33,6 +33,7 @@
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#include "common/system.h"
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#include "common/timer.h"
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#include "sound/mixer.h"
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namespace Sci {
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@ -43,11 +44,10 @@ int sciprintf(char *msg, ...);
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#endif
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static sfx_player_t *player = NULL;
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sfx_pcm_mixer_t *mixer = NULL;
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int sfx_pcm_available() {
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return (mixer != NULL);
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return g_system->getMixer()->isReady();
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}
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void sfx_reset_player() {
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@ -340,11 +340,11 @@ int sfx_play_iterator_pcm(song_iterator_t *it, song_handle_t handle) {
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#ifdef DEBUG_SONG_API
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fprintf(stderr, "[sfx-core] Playing PCM: %08lx\n", handle);
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#endif
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if (mixer) {
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if (g_system->getMixer()->isReady()) {
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sfx_pcm_feed_t *newfeed = it->get_pcm_feed(it);
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if (newfeed) {
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newfeed->debug_nr = (int) handle;
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mixer->subscribe(mixer, newfeed);
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mixer_subscribe(newfeed);
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return 1;
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}
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}
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@ -362,8 +362,7 @@ static void _sfx_timer_callback(void *data) {
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if (player)
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player->maintenance();
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if (mixer)
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mixer->process(mixer);
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mixer_process();
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}
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void sfx_init(sfx_state_t *self, ResourceManager *resmgr, int flags) {
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@ -373,13 +372,11 @@ void sfx_init(sfx_state_t *self, ResourceManager *resmgr, int flags) {
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self->debug = 0; /* Disable all debugging by default */
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if (flags & SFX_STATE_FLAG_NOSOUND) {
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mixer = NULL;
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player = NULL;
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sciprintf("[SFX] Sound disabled.\n");
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return;
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}
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mixer = getMixer();
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player = sfx_find_player(NULL);
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@ -387,15 +384,6 @@ void sfx_init(sfx_state_t *self, ResourceManager *resmgr, int flags) {
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fprintf(stderr, "[sfx-core] Initialising: flags=%x\n", flags);
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#endif
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/*------------------*/
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/* Initialise mixer */
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/*------------------*/
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if (mixer->init(mixer)) {
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sciprintf("[SFX] Failed to initialise PCM mixer; disabling PCM support\n");
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mixer = NULL;
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}
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/*-------------------*/
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/* Initialise player */
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/*-------------------*/
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@ -421,12 +409,11 @@ void sfx_init(sfx_state_t *self, ResourceManager *resmgr, int flags) {
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// timer callback being triggered while the mixer or player are
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// still being initialized.
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if (mixer || (player && player->maintenance)) {
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if (g_system->getMixer()->isReady() || (player && player->maintenance)) {
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if (!g_system->getTimerManager()->installTimerProc(&_sfx_timer_callback, DELAY, NULL)) {
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warning("[SFX] " __FILE__": Timer failed to initialize");
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warning("[SFX] Disabled sound support");
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player = NULL;
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mixer = NULL;
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return;
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}
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} /* With no PCM device and no player, we don't need a timer */
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@ -446,16 +433,12 @@ void sfx_exit(sfx_state_t *self) {
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song_lib_free(self->songlib);
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/* WARNING: The mixer may hold feeds from the
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** player, so we must stop the mixer BEFORE
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** stopping the player. */
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if (mixer) {
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mixer->exit(mixer);
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mixer = NULL;
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}
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// WARNING: The mixer may hold feeds from the player, so we must
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// stop the mixer BEFORE stopping the player.
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g_system->getMixer()->stopAll();
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if (player)
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/* See above: This must happen AFTER stopping the mixer */
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// See above: This must happen AFTER stopping the mixer
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player->exit();
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}
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File diff suppressed because it is too large
Load diff
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@ -30,53 +30,21 @@
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namespace Sci {
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struct sfx_pcm_mixer_t {
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/* Mixers are the heart of all matters PCM. They take PCM data from subscribed feeds,
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** mix it (hence the name) and ask the pcm device they are attached to to play the
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** result. */
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/**
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* Subscribes the mixer to a new feed.
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* @param feed The feed to subscribe to
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*/
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void mixer_subscribe(sfx_pcm_feed_t *feed);
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const char *name;
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const char *version;
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int (*init)(sfx_pcm_mixer_t *self);
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/* Initialises the mixer
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** Parameters: (sfx_pcm_mixer_t *) self: Self reference
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** Returns : (int) SFX_OK on success, SFX_ERROR otherwise
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*/
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void (*exit)(sfx_pcm_mixer_t *self);
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/* Uninitialises the mixer
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** Parameters: (sfx_pcm_mixer_t *) self: Self reference
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** Also uninitialises all feeds and the attached output device.
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*/
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void (*subscribe)(sfx_pcm_mixer_t *self, sfx_pcm_feed_t *feed);
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/* Subscribes the mixer to a new feed
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** Parameters: (sfx_pcm_mixer_t *) self: Self reference
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** (sfx_pcm_feed_t *) feed: The feed to subscribe to
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*/
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int (*process)(sfx_pcm_mixer_t *self);
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/* Processes all feeds, mixes their results, and passes everything to the output device
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** Returns : (int) SFX_OK on success, SFX_ERROR otherwise (output device error or
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** internal assertion failure)
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** Effects : All feeds are poll()ed, and the device is asked to output(). Buffer size
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** depends on the time that has passed since the last call to process(), if
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** any.
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*/
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void *private_bits;
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};
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sfx_pcm_mixer_t *sfx_pcm_find_mixer(char *name);
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/* Looks up a mixer by name, or a default mixer
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** Parameters: (char *) name: Name of the mixer to look for, or NULL to
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** take a default
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*/
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extern sfx_pcm_mixer_t *mixer; /* _THE_ global pcm mixer */
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sfx_pcm_mixer_t *getMixer();
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/**
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* Processes all feeds, mixes their results, and passes everything to the output device.
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* Returns : (int) SFX_OK on success, SFX_ERROR otherwise (output device error or
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* internal assertion failure)
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* Effects : All feeds are poll()ed, and the device is asked to output(). Buffer size
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* depends on the time that has passed since the last call to process(), if
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* any.
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*/
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int mixer_process();
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} // End of namespace Sci
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@ -1,347 +0,0 @@
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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/* Mixer inspection/test program */
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#include "../mixer.h"
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#include <time.h>
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namespace Sci {
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#if 0
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sfx_pcm_mixer_t *mix;
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int dev_init(sfx_pcm_device_t *self);
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void dev_exit(sfx_pcm_device_t *self);
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int dev_option(sfx_pcm_device_t *self, char *name, char *value);
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int dev_output(sfx_pcm_device_t *self, byte *buf, int count);
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#define MIN_OUTPUT 128
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/* Min amount of output to compute */
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#define DEVICES_NR 10
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sfx_pcm_device_t devices[DEVICES_NR] = {
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{ "test-1", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_MONO, SFX_PCM_FORMAT_U8 }, 1024, NULL },
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#if (DEVICES_NR > 1)
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{ "test-2", "0", dev_init, dev_exit, dev_option, dev_output, { 200, SFX_PCM_STEREO_LR, SFX_PCM_FORMAT_U8 }, 1024, NULL
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},
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{ "test-3", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_STEREO_RL, SFX_PCM_FORMAT_U8 }, 1024, NULL },
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{ "test-4", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_MONO, SFX_PCM_FORMAT_S8 }, 1024, NULL },
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{ "test-5", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_MONO, SFX_PCM_FORMAT_U16_LE }, 1024, NULL },
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{ "test-6", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_MONO, SFX_PCM_FORMAT_U16_BE }, 1024, NULL },
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{ "test-7", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_MONO, SFX_PCM_FORMAT_S16_LE }, 1024, NULL },
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{ "test-8", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_MONO, SFX_PCM_FORMAT_S16_BE }, 1024, NULL },
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{ "test-9", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_STEREO_RL, SFX_PCM_FORMAT_S16_LE }, 1024, NULL },
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{ "test-10", "0", dev_init, dev_exit, dev_option, dev_output,
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{ 200, SFX_PCM_STEREO_LR, SFX_PCM_FORMAT_U16_BE }, 1024, NULL }
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#endif
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};
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int output_count;
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int dev_init(sfx_pcm_device_t *self) {
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output_count = 0;
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fprintf(stderr, "[DEV] Initialised device %p as follows:\n"
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"\trate = %d\n"
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"\tstereo = %s\n"
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"\tbias = %x\n"
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"\tbytes/sample = %d\n"
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"\tendianness = %s\n",
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self,
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self->conf.rate,
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self->conf.stereo ? ((self->conf.stereo == SFX_PCM_STEREO_LR) ? "Left, Right" : "Right, Left") : "No",
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self->conf.format & ~SFX_PCM_FORMAT_LMASK,
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(self->conf.format & SFX_PCM_FORMAT_16) ? 2 : 1,
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((self->conf.format & SFX_PCM_FORMAT_ENDIANNESS) == SFX_PCM_FORMAT_BE) ? "big" : "little");
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return 0;
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}
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void dev_exit(sfx_pcm_device_t *self) {
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fprintf(stderr, "[DEV] Uninitialising device\n");
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}
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int dev_option(sfx_pcm_device_t *self, char *name, char *value) {
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fprintf(stderr, "[DEV] Set option '%s' to '%s'\n", name, value);
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return 0;
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}
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int dev_output_enabled = 0;
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int dev_output(sfx_pcm_device_t *self, byte *buf, int count) {
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int mono_sample_size = ((self->conf.format & SFX_PCM_FORMAT_16) ? 2 : 1);
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int sample_size = (self->conf.stereo ? 2 : 1) * mono_sample_size;
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int bias = self->conf.format & ~SFX_PCM_FORMAT_LMASK;
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int is_bigendian = (self->conf.format & SFX_PCM_FORMAT_ENDIANNESS) == SFX_PCM_FORMAT_BE;
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byte *left_channel = buf;
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byte *right_channel = buf;
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if (!dev_output_enabled)
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return 0;
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if (self->conf.format & SFX_PCM_FORMAT_16)
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bias <<= 8;
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if (self->conf.stereo == SFX_PCM_STEREO_LR)
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right_channel += mono_sample_size;
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if (self->conf.stereo == SFX_PCM_STEREO_RL)
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left_channel += mono_sample_size;
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while (count--) {
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int right = right_channel[0];
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int left = left_channel[0];
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int second_byte = ((self->conf.format & SFX_PCM_FORMAT_16) ? 1 : 0);
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if (second_byte) {
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if (is_bigendian) {
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left = left << 8 | left_channel[1];
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right = right << 8 | right_channel[1];
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} else {
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left = left | left_channel[1] << 8;
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right = right | right_channel[1] << 8;
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}
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}
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left -= bias;
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right -= bias;
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if (!second_byte) {
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left <<= 8;
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right <<= 8;
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}
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fprintf(stderr, "[DEV] %p play %04x:\t%04x %04x\n", self, output_count++, left & 0xffff, right & 0xffff);
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left_channel += sample_size;
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right_channel += sample_size;
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}
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return 0;
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}
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/* Feeds for debugging */
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struct int_struct {
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int i;
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};
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int feed_poll(sfx_pcm_feed_t *self, byte *dest, int size);
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void feed_destroy(sfx_pcm_feed_t *self);
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int_struct private_bits[10] = {
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{0},
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{0},
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{0},
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{0},
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{0},
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{0},
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{0},
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{0},
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{0}
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};
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struct sample_feed_t {
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int start;
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int samples_nr;
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byte *data;
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};
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#define FEEDS_NR 4
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sfx_pcm_feed_t feeds[FEEDS_NR] = {
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{ feed_poll, feed_destroy, &(private_bits[0]),
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{ 200, SFX_PCM_MONO, SFX_PCM_FORMAT_S8 }, "test-feed", 0, 0}
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#if FEEDS_NR > 1
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, { feed_poll, feed_destroy, &(private_bits[1]),
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{ 400, SFX_PCM_MONO, SFX_PCM_FORMAT_U8 }, "test-feed", 1, 0}
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#endif
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#if FEEDS_NR > 2
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, { feed_poll, feed_destroy, &(private_bits[2]),
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{ 20, SFX_PCM_MONO, SFX_PCM_FORMAT_S16_LE }, "test-feed", 2, 0}
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#endif
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#if FEEDS_NR > 3
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, { feed_poll, feed_destroy, &(private_bits[3]),
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{ 150, SFX_PCM_STEREO_LR, SFX_PCM_FORMAT_S8 }, "test-feed", 3, 0}
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#endif
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/*
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,{ feed_poll, feed_destroy, &(private_bits[4]),
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{}, "test-feed", 4, 0}
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,{ feed_poll, feed_destroy, &(private_bits[5]),
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{}, "test-feed", 5, 0}
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*/
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};
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byte feed_data_0[] = {0xfd, 0xfe, 0xff, 0, 1, 2, 3, 4, 5, 6};
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byte feed_data_1[] = {0x80, 0x90, 0xA0, 0xB0, 0xC0,
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0xD0, 0xD0, 0xC0, 0xB0, 0xA0, 0x90, 0x80
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};
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byte feed_data_2[] = {0x00, 0x00,
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0x00, 0x80,
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0xe8, 0x03
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};
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byte feed_data_3[] = {0x00, 0x10,
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0x01, 0x20,
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0x02, 0x30
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};
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sample_feed_t sample_feeds[FEEDS_NR] = {
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{ 1, 10, feed_data_0 }
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#if FEEDS_NR > 1
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, { 21, 12, feed_data_1 }
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#endif
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#if FEEDS_NR > 2
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, { 0, 3, feed_data_2 }
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#endif
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#if FEEDS_NR > 3
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, { 40, 3, feed_data_3 }
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#endif
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};
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void feed_destroy(sfx_pcm_feed_t *self) {
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int_struct *s = (int_struct *) self->internal;
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s->i = 0; /* reset */
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}
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int feed_poll(sfx_pcm_feed_t *self, byte *dest, int size) {
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int_struct *s = (int_struct *) self->internal;
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int sample_size = self->sample_size;
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sample_feed_t *data = &(sample_feeds[self->debug_nr]);
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int bias = self->conf.format & ~SFX_PCM_FORMAT_LMASK;
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byte neutral[4] = {0, 0, 0, 0};
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int i;
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fprintf(stderr, "[feed] Asked for %d at %p, ss=%d\n", size, dest, sample_size);
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if (bias) {
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byte first = bias >> 8;
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byte second = bias & 0xff;
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if ((self->conf.format & SFX_PCM_FORMAT_ENDIANNESS) == SFX_PCM_FORMAT_LE) {
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int t = first;
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first = second;
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second = t;
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}
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if (self->conf.format & SFX_PCM_FORMAT_16) {
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neutral[0] = first;
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neutral[1] = second;
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neutral[2] = first;
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neutral[3] = second;
|
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} else {
|
||||
neutral[0] = bias;
|
||||
neutral[1] = bias;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < size; i++) {
|
||||
int t = s->i - data->start;
|
||||
|
||||
if (t >= data->samples_nr)
|
||||
return i;
|
||||
|
||||
if (t >= 0)
|
||||
memcpy(dest, data->data + t * sample_size, sample_size);
|
||||
else
|
||||
memcpy(dest, neutral, sample_size);
|
||||
|
||||
dest += sample_size;
|
||||
s->i++;
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
extern FILE *con_file;
|
||||
|
||||
#define DELAY usleep((rand() / (RAND_MAX / 250L)))
|
||||
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
int dev_nr;
|
||||
|
||||
mix = sfx_pcm_find_mixer(NULL);
|
||||
|
||||
if (!mix) {
|
||||
fprintf(stderr, "Error: Could not find a mixer!\n");
|
||||
return 1;
|
||||
} else {
|
||||
fprintf(stderr, "Running %s, v%s\n",
|
||||
mix->name, mix->version);
|
||||
}
|
||||
con_file = stderr;
|
||||
|
||||
srand(time(NULL));
|
||||
|
||||
for (dev_nr = 0; dev_nr < DEVICES_NR; dev_nr++) {
|
||||
sfx_pcm_device_t *dev = &(devices[dev_nr++]);
|
||||
int j;
|
||||
dev->init(dev);
|
||||
mix->init(mix, dev);
|
||||
|
||||
dev_output_enabled = 0;
|
||||
/* Prime it to our timing */
|
||||
for (j = 0; j < 250; j++) {
|
||||
DELAY;
|
||||
mix->process(mix);
|
||||
}
|
||||
dev_output_enabled = 1;
|
||||
|
||||
fprintf(stderr, "[test] Subscribing...\n");
|
||||
|
||||
for (j = 0; j < FEEDS_NR; j++)
|
||||
mix->subscribe(mix, &(feeds[j]));
|
||||
|
||||
fprintf(stderr, "[test] Subscribed %d feeds.\n",
|
||||
FEEDS_NR);
|
||||
|
||||
while (output_count < MIN_OUTPUT) {
|
||||
DELAY;
|
||||
mix->process(mix);
|
||||
fprintf(stderr, "<tick>\n");
|
||||
}
|
||||
|
||||
fprintf(stderr, "[test] Preparing finalisation\n");
|
||||
mix->exit(mix);
|
||||
fprintf(stderr, "[test] Mixer uninitialised\n");
|
||||
}
|
||||
}
|
||||
|
||||
#else
|
||||
int main() {}
|
||||
#endif
|
||||
|
||||
} // End of namespace Sci
|
||||
|
|
@ -161,9 +161,6 @@ static int pp_set_option(char *name, char *value) {
|
|||
static int pp_init(ResourceManager *resmgr, int expected_latency) {
|
||||
Resource *res = NULL, *res2 = NULL;
|
||||
|
||||
if (!mixer)
|
||||
return SFX_ERROR;
|
||||
|
||||
/* FIXME Temporary hack to detect Amiga games. */
|
||||
if (!Common::File::exists("bank.001"))
|
||||
seq = sfx_find_softseq(NULL);
|
||||
|
|
@ -196,7 +193,7 @@ static int pp_init(ResourceManager *resmgr, int expected_latency) {
|
|||
pcmfeed.conf = seq->pcm_conf;
|
||||
|
||||
seq->set_volume(seq, volume);
|
||||
mixer->subscribe(mixer, &pcmfeed);
|
||||
mixer_subscribe(&pcmfeed);
|
||||
|
||||
sfx_player_polled.polyphony = seq->polyphony;
|
||||
return SFX_OK;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue