scummvm/engines/cryo/clsoundgroup.cpp

127 lines
3.5 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "cryo/cryolib.h"
namespace Cryo {
soundgroup_t *CLSoundGroup_New(int16 numSounds, int16 arg4, int16 sampleSize, float rate, int16 mode) {
soundgroup_t *sg;
int16 i;
sg = (soundgroup_t *)malloc(sizeof(*sg));
if (numSounds < kCryoMaxClSounds)
sg->_numSounds = numSounds;
else
error("CLSoundGroup_New - numSounds >= kCryoMaxClSounds");
for (i = 0; i < sg->_numSounds; i++) {
sound_t *sound = CLSoundRaw_New(arg4, rate, sampleSize, mode);
sg->_sound[i] = sound;
sound->ff_1A = arg4;
}
sg->_soundIndex = 0;
sg->_playIndex = 0;
sg->ff_106 = 1;
return sg;
}
void CLSoundGroup_Free(soundgroup_t *sg) {
int16 i;
for (i = 0; i < sg->_numSounds; i++)
CLSoundRaw_Free(sg->_sound[i]);
free(sg);
}
void CLSoundGroup_Reverse16All(soundgroup_t *sg) {
int16 i;
for (i = 0; i < sg->_numSounds; i++)
sg->_sound[i]->_reversed = true;
}
void *CLSoundGroup_GetNextBuffer(soundgroup_t *sg) {
sound_t *sound = sg->_sound[sg->_soundIndex];
if (sg->ff_106)
while (sound->_locked) ;
return sound->sndHandle + sound->_headerLen;
}
int16 CLSoundGroup_AssignDatas(soundgroup_t *sg, void *buffer, int length, int16 isSigned) {
sound_t *sound = sg->_sound[sg->_soundIndex];
if (sg->ff_106)
while (sound->_locked) ;
else if (sound->_locked)
return 0;
sound->_buffer = (char *)buffer;
CLSound_SetLength(sound, length);
sound->_length = length;
// if(sound->reversed && sound->sampleSize == 16)
// ReverseBlock16(buffer, length);
// if(isSigned)
// CLSound_Signed2NonSigned(buffer, length);
if (sg->_soundIndex == sg->_numSounds - 1)
sg->_soundIndex = 0;
else
sg->_soundIndex++;
return 1;
}
int16 CLSoundGroup_SetDatas(soundgroup_t *sg, void *data, int length, int16 isSigned) {
void *buffer;
sound_t *sound = sg->_sound[sg->_soundIndex];
if (length >= sound->ff_1A) {
error("CLSoundGroup_SetDatas - Unexpected length");
}
if (sg->ff_106)
while (sound->_locked) ;
else if (sound->_locked)
return 0;
buffer = sound->sndHandle + sound->_headerLen;
sound->_buffer = (char *)buffer;
memcpy(buffer, data, length);
CLSound_SetLength(sound, length);
sound->_length = length;
// if(sound->reversed && sound->sampleSize == 16)
// ReverseBlock16(buffer, length);
// if(isSigned)
// CLSound_Signed2NonSigned(buffer, length);
if (sg->_soundIndex == sg->_numSounds - 1)
sg->_soundIndex = 0;
else
sg->_soundIndex++;
return 1;
}
void CLSoundGroup_PlayNextSample(soundgroup_t *sg, soundchannel_t *ch) {
CLSoundChannel_Play(ch, sg->_sound[sg->_playIndex]);
if (sg->_playIndex == sg->_numSounds - 1)
sg->_playIndex = 0;
else
sg->_playIndex++;
}
} // End of namespace Cryo