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/*
(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library 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 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <stdlib.h>
#include <direct/debug.h>
#include <direct/messages.h>
#include <direct/util.h>
#include <fusion/lock.h>
#include <core/core_sound.h>
#include <core/sound_buffer.h>
#include <core/playback.h>
#include <core/playback_internal.h>
#define DOWNMIX_LEVEL_3DB 0.70794578438413791
/******************************************************************************/
static void fs_playback_notify( CorePlayback *playback,
CorePlaybackNotificationFlags flags,
int num );
/******************************************************************************/
static void
playback_destructor( FusionObject *object, bool zombie, void *ctx )
{
CorePlayback *playback = (CorePlayback*) object;
D_DEBUG( "FusionSound/Core: %s (%p, buffer: %p)%s\n", __FUNCTION__,
playback, playback->buffer, zombie ? " ZOMBIE!" : "" );
fs_buffer_unlink( &playback->buffer );
fusion_skirmish_destroy( &playback->lock );
fusion_object_destroy( object );
}
FusionObjectPool *
fs_playback_pool_create( const FusionWorld *world )
{
return fusion_object_pool_create( "Playbacks", sizeof(CorePlayback),
sizeof(CorePlaybackNotification),
playback_destructor, NULL, world );
}
/******************************************************************************/
DirectResult
fs_playback_create( CoreSound *core,
CoreSoundBuffer *buffer,
bool notify,
CorePlayback **ret_playback )
{
CorePlayback *playback;
float volume;
D_ASSERT( buffer != NULL );
D_ASSERT( ret_playback != NULL );
D_DEBUG( "FusionSound/Core: %s (buffer %p, notify %d)\n",
__FUNCTION__, buffer, notify );
/* Create playback object. */
playback = fs_core_create_playback( core );
if (!playback)
return DR_FUSION;
/* Link buffer to playback object. */
if (fs_buffer_link( &playback->buffer, buffer )) {
fusion_object_destroy( &playback->object );
return DR_FUSION;
}
fusion_skirmish_init( &playback->lock, "FusionSound Playback", fs_core_world(core) );
/* Initialize private data. */
playback->core = core;
playback->notify = notify;
playback->pitch = FS_PITCH_ONE;
/* Set default downmixing levels. */
fs_playback_set_downmix( playback, DOWNMIX_LEVEL_3DB, DOWNMIX_LEVEL_3DB );
/* Set default volume levels. */
playback->levels[0] = FSF_ONE;
playback->levels[1] = FSF_ONE;
playback->levels[2] = playback->center;
playback->levels[3] = playback->rear;
playback->levels[4] = playback->rear;
playback->levels[5] = FSF_ONE;
/* Get local volume level. */
fs_core_get_local_volume( core, &volume );
playback->volume = fsf_from_float( volume );
/* Activate playback object. */
fusion_object_activate( &playback->object );
/* Return playback object. */
*ret_playback = playback;
return DR_OK;
}
DirectResult
fs_playback_enable( CorePlayback *playback )
{
DirectResult ret = DR_OK;
D_ASSERT( playback != NULL );
D_ASSERT( playback->buffer != NULL );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
/* Enable playback. */
playback->disabled = false;
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
return ret;
}
DirectResult
fs_playback_start( CorePlayback *playback, bool enable )
{
DirectResult ret = DR_OK;
D_ASSERT( playback != NULL );
D_ASSERT( playback->buffer != NULL );
/* Lock playlist. */
if (fs_core_playlist_lock( playback->core ))
return DR_FUSION;
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock )) {
fs_core_playlist_unlock( playback->core );
return DR_FUSION;
}
/* If the playback is disabled, it won't begin to play. */
if (enable)
playback->disabled = false;
/* Start the playback if it's not running already. */
if (!playback->running) {
if (playback->disabled) {
ret = DR_TEMPUNAVAIL;
}
else {
ret = fs_core_add_playback( playback->core, playback );
/* Notify listeners about the start of the playback. */
if (ret == DR_OK)
fs_playback_notify( playback, CPNF_START, 0 );
}
}
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
/* Unlock playlist. */
fs_core_playlist_unlock( playback->core );
return ret;
}
DirectResult
fs_playback_stop( CorePlayback *playback, bool disable )
{
D_ASSERT( playback != NULL );
/* Lock playlist. */
if (fs_core_playlist_lock( playback->core ))
return DR_FUSION;
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock )) {
fs_core_playlist_unlock( playback->core );
return DR_FUSION;
}
/* Stop the playback if it's running. */
if (playback->running) {
fs_core_remove_playback( playback->core, playback );
/* Notify listeners about the end of the playback. */
fs_playback_notify( playback, CPNF_STOP, 0 );
}
/* If this the playback is disabled, it can only be started with enable = true. */
if (disable)
playback->disabled = true;
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
/* Unlock playlist. */
fs_core_playlist_unlock( playback->core );
return DR_OK;
}
DirectResult
fs_playback_set_stop( CorePlayback *playback,
int stop )
{
D_ASSERT( playback != NULL );
D_ASSERT( playback->buffer != NULL );
D_ASSERT( stop <= playback->buffer->length );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
/* Adjust stop position. */
playback->stop = stop;
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
return DR_OK;
}
DirectResult
fs_playback_set_position( CorePlayback *playback,
int position )
{
D_ASSERT( playback != NULL );
D_ASSERT( playback->buffer != NULL );
D_ASSERT( position >= 0 );
D_ASSERT( position < playback->buffer->length );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
/* Adjust the playback position. */
playback->position = position;
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
return DR_OK;
}
DirectResult
fs_playback_set_downmix( CorePlayback *playback,
float center,
float rear )
{
CoreSoundBuffer *buffer;
CoreSoundDeviceConfig *config;
D_ASSERT( playback != NULL );
D_ASSERT( center >= 0.0f );
D_ASSERT( center <= 1.0f );
D_ASSERT( rear >= 0.0f );
D_ASSERT( rear <= 1.0f );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
buffer = playback->buffer;
config = fs_core_device_config( playback->core );
if ( FS_MODE_HAS_CENTER(buffer->mode) &&
!FS_MODE_HAS_CENTER(config->mode))
playback->center = fsf_from_float( center );
else
playback->center = FSF_ONE;
if ( FS_MODE_NUM_REARS(buffer->mode) &&
!FS_MODE_NUM_REARS(config->mode))
playback->rear = fsf_from_float( rear );
else
playback->rear = FSF_ONE;
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
return DR_OK;
}
DirectResult
fs_playback_set_volume( CorePlayback *playback,
float levels[6] )
{
int i;
D_ASSERT( playback != NULL );
D_ASSERT( levels[0] >= 0.0f );
D_ASSERT( levels[0] <= 64.0f );
D_ASSERT( levels[1] >= 0.0f );
D_ASSERT( levels[1] <= 64.0f );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
/* Adjust volume. */
for (i = 0; i < 6; i++)
playback->levels[i] = fsf_from_float( levels[i] );
/* Apply downmixing levels. */
if (playback->center != FSF_ONE) {
playback->levels[2] = fsf_mul( playback->levels[2], playback->center );
}
if (playback->rear != FSF_ONE) {
playback->levels[3] = fsf_mul( playback->levels[3], playback->rear );
playback->levels[4] = fsf_mul( playback->levels[4], playback->rear );
}
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
return DR_OK;
}
DirectResult
fs_playback_set_local_volume( CorePlayback *playback,
float level )
{
D_ASSERT( playback != NULL );
D_ASSERT( level >= 0.0f );
D_ASSERT( level <= 1.0f );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
/* Set local volume level. */
playback->volume = fsf_from_float( level );
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
return DR_OK;
}
DirectResult
fs_playback_set_pitch( CorePlayback *playback,
int pitch )
{
D_ASSERT( playback != NULL );
D_ASSERT( pitch >= -(64*FS_PITCH_ONE) );
D_ASSERT( pitch <= +(64*FS_PITCH_ONE) );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
/* Adjust pitch. */
playback->pitch = pitch;
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
return DR_OK;
}
DirectResult
fs_playback_get_status( CorePlayback *playback,
CorePlaybackStatus *ret_status,
int *ret_position )
{
D_ASSERT( playback != NULL );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
/* Return status. */
if (ret_status) {
CorePlaybackStatus status = CPS_NONE;
if (playback->running) {
status |= CPS_PLAYING;
if (playback->stop < 0)
status |= CPS_LOOPING;
}
*ret_status = status;
}
/* Return position. */
if (ret_position)
*ret_position = playback->position;
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
return DR_OK;
}
/******************************************************************************/
DirectResult
fs_playback_mixto( CorePlayback *playback,
__fsf *dest,
int dest_rate,
FSChannelMode dest_mode,
int max_frames,
__fsf volume,
int *ret_samples)
{
DirectResult ret;
int pos;
int num;
__fsf *levels;
int i;
D_ASSERT( playback != NULL );
D_ASSERT( playback->buffer != NULL );
D_ASSERT( dest != NULL );
D_ASSERT( max_frames > 0 );
/* Lock playback. */
if (fusion_skirmish_prevail( &playback->lock ))
return DR_FUSION;
if (volume != FSF_ONE || playback->volume != FSF_ONE) {
levels = alloca( 6 * sizeof(__fsf) );
volume = fsf_mul( volume, playback->volume );
for (i = 0; i < 6; i++)
levels[i] = fsf_mul( playback->levels[i], volume );
}
else {
levels = playback->levels;
}
/* Mix samples... */
ret = fs_buffer_mixto( playback->buffer, dest, dest_rate, dest_mode, max_frames,
playback->position, playback->stop, levels,
playback->pitch, &pos, &num, ret_samples );
if (ret)
playback->running = false;
/* Write back new position. */
playback->position = pos;
/* Unlock playback. */
fusion_skirmish_dismiss( &playback->lock );
/* Notify listeners about the new position and a possible end. */
fs_playback_notify( playback, ret ? (CPNF_ADVANCE | CPNF_STOP) : CPNF_ADVANCE, num );
return ret;
}
/******************************************************************************/
static void
fs_playback_notify( CorePlayback *playback,
CorePlaybackNotificationFlags flags,
int num )
{
CorePlaybackNotification notification;
D_ASSERT( playback != NULL );
D_ASSERT( playback->buffer != NULL );
D_ASSERT( ! (flags & ~(CPNF_START | CPNF_STOP | CPNF_ADVANCE)) );
if (flags & CPNF_START)
playback->running = true;
if (flags & CPNF_STOP)
playback->running = false;
if (!playback->notify)
return;
notification.flags = flags;
notification.playback = playback;
notification.pos = playback->position;
notification.stop = playback->running ? playback->stop : playback->position;
notification.num = num;
fs_playback_dispatch( playback, ¬ification, NULL );
}
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