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Make ASS's mixing functions take a pointer to a voice instead of passing a bunch of parameters separately

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git-svn-id: https://svn.eduke32.com/eduke32@7121 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2018-10-25 23:32:41 +00:00
parent 6d226cf0da
commit 6513d9f3e3
4 changed files with 82 additions and 61 deletions
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29
source/audiolib/src/_multivc.h
View file

@ -56,21 +56,21 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#define MIX_VOLUME(volume) ((max(0, min((volume), 255)) * (MV_MAXVOLUME + 1)) >> 8)
template <typename T>
static inline conditional_t< is_signed<T>::value, make_unsigned_t<T>, make_signed_t<T> > MV_FLIP_SIGNEDNESS(T src)
static inline conditional_t< is_signed<T>::value, make_unsigned_t<T>, make_signed_t<T> > FLIP_SIGN(T src)
{
static constexpr make_unsigned_t<T> msb = ((make_unsigned_t<T>)1) << (sizeof(T) * CHAR_BIT - 1u);
return src ^ msb;
}
template <typename T>
static inline enable_if_t<is_signed<T>::value, T> MV_VOLUME(T src, float volume)
static inline enable_if_t<is_signed<T>::value, T> SCALE_SAMPLE(T src, float volume)
{
return (T)Blrintf((float)src * volume);
}
template <typename T>
static inline enable_if_t<is_unsigned<T>::value, T> MV_VOLUME(T src, float volume)
static inline enable_if_t<is_unsigned<T>::value, T> SCALE_SAMPLE(T src, float volume)
{
return MV_FLIP_SIGNEDNESS(MV_VOLUME(MV_FLIP_SIGNEDNESS(src), volume));
return FLIP_SIGN(SCALE_SAMPLE(FLIP_SIGN(src), volume));
}
struct split16_t
@ -110,7 +110,7 @@ typedef struct VoiceNode
playbackstatus (*GetSound)(struct VoiceNode *voice);
void (*mix)(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void (*mix)(struct VoiceNode *voice, uint32_t length);
const char *sound;
@ -186,7 +186,8 @@ extern Pan MV_PanTable[ MV_NUMPANPOSITIONS ][ MV_MAXVOLUME + 1 ];
extern int32_t MV_ErrorCode;
extern int32_t MV_Installed;
extern int32_t MV_MixRate;
typedef char HARSH_CLIP_TABLE_8[ MV_NUMVOICES * 256 ];
using HARSH_CLIP_TABLE_8 = char[MV_NUMVOICES * 256];
#define MV_SetErrorCode(status) MV_ErrorCode = (status);
@ -213,17 +214,17 @@ void MV_ReleaseXAVoice(VoiceNode *voice);
void MV_ReleaseXMPVoice(VoiceNode *voice);
// implemented in mix.c
void MV_Mix16BitMono(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void MV_Mix16BitStereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void MV_Mix16BitMono16(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void MV_Mix16BitStereo16(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void MV_Mix16BitMono(struct VoiceNode *voice, uint32_t length);
void MV_Mix16BitStereo(struct VoiceNode *voice, uint32_t length);
void MV_Mix16BitMono16(struct VoiceNode *voice, uint32_t length);
void MV_Mix16BitStereo16(struct VoiceNode *voice, uint32_t length);
void MV_16BitReverb( char const *src, char *dest, int16_t *volume, int32_t count );
// implemented in mixst.c
void MV_Mix16BitMono8Stereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void MV_Mix16BitStereo8Stereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void MV_Mix16BitMono16Stereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void MV_Mix16BitStereo16Stereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume);
void MV_Mix16BitMono8Stereo(struct VoiceNode *voice, uint32_t length);
void MV_Mix16BitStereo8Stereo(struct VoiceNode *voice, uint32_t length);
void MV_Mix16BitMono16Stereo(struct VoiceNode *voice, uint32_t length);
void MV_Mix16BitStereo16Stereo(struct VoiceNode *voice, uint32_t length);
extern char *MV_MixDestination; // pointer to the next output sample
extern uint32_t MV_MixPosition; // return value of where the source pointer got to

50
source/audiolib/src/mix.cpp
View file

@ -29,19 +29,21 @@
*/
// 8-bit mono source, 16-bit mono output
void MV_Mix16BitMono(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume)
void MV_Mix16BitMono(struct VoiceNode *voice, uint32_t length)
{
auto const source = (uint8_t const *)start;
int16_t * dest = (int16_t *)MV_MixDestination;
auto const source = (uint8_t const *)voice->sound;
int16_t * dest = (int16_t *)MV_MixDestination;
uint32_t position = voice->position;
uint32_t const rate = voice->RateScale;
float const volume = voice->volume;
while (length--)
{
uint8_t const usample0 = MV_VOLUME(source[position >> 16], volume);
uint8_t const usample0 = SCALE_SAMPLE(source[position >> 16], volume);
position += rate;
*dest = (int16_t)clamp(MV_LeftVolume[usample0] + *dest, INT16_MIN, INT16_MAX);
dest += MV_SampleSize >> 1;
}
@ -50,21 +52,23 @@ void MV_Mix16BitMono(uint32_t position, uint32_t rate, const char *start, uint32
}
// 8-bit mono source, 16-bit stereo output
void MV_Mix16BitStereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume)
void MV_Mix16BitStereo(struct VoiceNode *voice, uint32_t length)
{
auto const source = (uint8_t const *)start;
int16_t * dest = (int16_t *)MV_MixDestination;
auto const source = (uint8_t const *)voice->sound;
int16_t * dest = (int16_t *)MV_MixDestination;
uint32_t position = voice->position;
uint32_t const rate = voice->RateScale;
float const volume = voice->volume;
while (length--)
{
uint8_t const usample0 = MV_VOLUME(source[position >> 16], volume);
uint8_t const usample0 = SCALE_SAMPLE(source[position >> 16], volume);
position += rate;
*dest = (int16_t)clamp(MV_LeftVolume[usample0] + *dest, INT16_MIN, INT16_MAX);
*(dest + (MV_RightChannelOffset >> 1))
= (int16_t)clamp(MV_RightVolume[usample0] + *(dest + (MV_RightChannelOffset >> 1)), INT16_MIN, INT16_MAX);
dest += MV_SampleSize >> 1;
}
@ -73,21 +77,24 @@ void MV_Mix16BitStereo(uint32_t position, uint32_t rate, const char *start, uint
}
// 16-bit mono source, 16-bit mono output
void MV_Mix16BitMono16(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume)
void MV_Mix16BitMono16(struct VoiceNode *voice, uint32_t length)
{
auto const source = (int16_t const *)start;
int16_t * dest = (int16_t *)MV_MixDestination;
auto const source = (int16_t const *)voice->sound;
int16_t * dest = (int16_t *)MV_MixDestination;
uint32_t position = voice->position;
uint32_t const rate = voice->RateScale;
float const volume = voice->volume;
while (length--)
{
int16_t const isample0 = B_LITTLE16(source[position >> 16]);
split16_t const usample0{MV_FLIP_SIGNEDNESS(MV_VOLUME(isample0, volume))};
split16_t const usample0{FLIP_SIGN(SCALE_SAMPLE(isample0, volume))};
position += rate;
int32_t const sample0 = (MV_LeftVolume[usample0.l()] >> 8) + MV_LeftVolume[usample0.h()] + 128;
*dest = (int16_t)clamp(sample0 + *dest, INT16_MIN, INT16_MAX);
*dest = (int16_t)clamp(sample0 + *dest, INT16_MIN, INT16_MAX);
dest += MV_SampleSize >> 1;
}
@ -96,24 +103,27 @@ void MV_Mix16BitMono16(uint32_t position, uint32_t rate, const char *start, uint
}
// 16-bit mono source, 16-bit stereo output
void MV_Mix16BitStereo16(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume)
void MV_Mix16BitStereo16(struct VoiceNode *voice, uint32_t length)
{
auto const source = (int16_t const *)start;
int16_t * dest = (int16_t *)MV_MixDestination;
auto const source = (int16_t const *)voice->sound;
int16_t * dest = (int16_t *)MV_MixDestination;
uint32_t position = voice->position;
uint32_t const rate = voice->RateScale;
float const volume = voice->volume;
while (length--)
{
int16_t const isample0 = B_LITTLE16(source[position >> 16]);
split16_t const usample0{MV_FLIP_SIGNEDNESS(MV_VOLUME(isample0, volume))};
split16_t const usample0{FLIP_SIGN(SCALE_SAMPLE(isample0, volume))};
position += rate;
int32_t const sample0 = (MV_LeftVolume[usample0.l()] >> 8) + MV_LeftVolume[usample0.h()] + 128;
int32_t const sample1 = (MV_RightVolume[usample0.l()] >> 8) + MV_RightVolume[usample0.h()] + 128;
*dest = (int16_t)clamp(sample0 + *dest, INT16_MIN, INT16_MAX);
*(dest + (MV_RightChannelOffset >> 1))
= (int16_t)clamp(sample1 + *(dest + (MV_RightChannelOffset >> 1)), INT16_MIN, INT16_MAX);
dest += MV_SampleSize >> 1;
}

62
source/audiolib/src/mixst.cpp
View file

@ -21,23 +21,25 @@
#include "_multivc.h"
/*
position = offset of starting sample in start
rate = resampling increment
start = sound data
length = count of samples to mix
position = offset of starting sample in source
rate = resampling increment
volume = direct volume adjustment, 1.0 = no change
*/
// 8-bit stereo source, 16-bit mono output
void MV_Mix16BitMono8Stereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume)
void MV_Mix16BitMono8Stereo(struct VoiceNode *voice, uint32_t length)
{
auto const source = (uint8_t const *)start;
int16_t * dest = (int16_t *)MV_MixDestination;
auto const source = (uint8_t const *)voice->sound;
int16_t * dest = (int16_t *)MV_MixDestination;
uint32_t position = voice->position;
uint32_t const rate = voice->RateScale;
float const volume = voice->volume;
while (length--)
{
uint8_t const usample0 = MV_VOLUME(source[(position >> 16) << 1], volume);
uint8_t const usample1 = MV_VOLUME(source[((position >> 16) << 1) + 1], volume);
uint8_t const usample0 = SCALE_SAMPLE(source[(position >> 16) << 1], volume);
uint8_t const usample1 = SCALE_SAMPLE(source[((position >> 16) << 1) + 1], volume);
position += rate;
@ -50,22 +52,24 @@ void MV_Mix16BitMono8Stereo(uint32_t position, uint32_t rate, const char *start,
}
// 8-bit stereo source, 16-bit stereo output
void MV_Mix16BitStereo8Stereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume)
void MV_Mix16BitStereo8Stereo(struct VoiceNode *voice, uint32_t length)
{
auto const source = (uint8_t const *)start;
int16_t * dest = (int16_t *)MV_MixDestination;
auto const source = (uint8_t const *)voice->sound;
int16_t * dest = (int16_t *)MV_MixDestination;
uint32_t position = voice->position;
uint32_t const rate = voice->RateScale;
float const volume = voice->volume;
while (length--)
{
uint8_t const usample0 = MV_VOLUME(source[(position >> 16) << 1], volume);
uint8_t const usample1 = MV_VOLUME(source[((position >> 16) << 1) + 1], volume);
uint8_t const usample0 = SCALE_SAMPLE(source[(position >> 16) << 1], volume);
uint8_t const usample1 = SCALE_SAMPLE(source[((position >> 16) << 1) + 1], volume);
position += rate;
*dest = (int16_t)clamp(MV_LeftVolume[usample0] + *dest, INT16_MIN, INT16_MAX);
*(dest + (MV_RightChannelOffset >> 1))
= (int16_t)clamp(MV_RightVolume[usample1] + *(dest + (MV_RightChannelOffset >> 1)), INT16_MIN, INT16_MAX);
dest += MV_SampleSize >> 1;
}
@ -74,24 +78,27 @@ void MV_Mix16BitStereo8Stereo(uint32_t position, uint32_t rate, const char *star
}
// 16-bit stereo source, 16-bit mono output
void MV_Mix16BitMono16Stereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume)
void MV_Mix16BitMono16Stereo(struct VoiceNode *voice, uint32_t length)
{
auto const source = (int16_t const *)start;
int16_t * dest = (int16_t *)MV_MixDestination;
auto const source = (int16_t const *)voice->sound;
int16_t * dest = (int16_t *)MV_MixDestination;
uint32_t position = voice->position;
uint32_t const rate = voice->RateScale;
float const volume = voice->volume;
while (length--)
{
int16_t const isample0 = B_LITTLE16(source[(position >> 16) << 1]);
int16_t const isample1 = B_LITTLE16(source[((position >> 16) << 1) + 1]);
split16_t const usample0{MV_FLIP_SIGNEDNESS(MV_VOLUME(isample0, volume))};
split16_t const usample1{MV_FLIP_SIGNEDNESS(MV_VOLUME(isample1, volume))};
split16_t const usample0{FLIP_SIGN(SCALE_SAMPLE(isample0, volume))};
split16_t const usample1{FLIP_SIGN(SCALE_SAMPLE(isample1, volume))};
position += rate;
int32_t const sample0 = (MV_LeftVolume[usample0.l()] >> 8) + MV_LeftVolume[usample0.h()] + 128;
int32_t const sample1 = (MV_LeftVolume[usample1.l()] >> 8) + MV_LeftVolume[usample1.h()] + 128;
*dest = (int16_t)clamp(((sample0 + sample1) >> 1) + *dest, INT16_MIN, INT16_MAX);
*dest = (int16_t)clamp(((sample0 + sample1) >> 1) + *dest, INT16_MIN, INT16_MAX);
dest += MV_SampleSize >> 1;
}
@ -100,26 +107,29 @@ void MV_Mix16BitMono16Stereo(uint32_t position, uint32_t rate, const char *start
}
// 16-bit stereo source, 16-bit stereo output
void MV_Mix16BitStereo16Stereo(uint32_t position, uint32_t rate, const char *start, uint32_t length, float volume)
void MV_Mix16BitStereo16Stereo(struct VoiceNode *voice, uint32_t length)
{
auto const source = (int16_t const *)start;
int16_t * dest = (int16_t *)MV_MixDestination;
auto const source = (int16_t const *)voice->sound;
int16_t * dest = (int16_t *)MV_MixDestination;
uint32_t position = voice->position;
uint32_t const rate = voice->RateScale;
float const volume = voice->volume;
while (length--)
{
int16_t const isample0 = B_LITTLE16(source[(position >> 16) << 1]);
int16_t const isample1 = B_LITTLE16(source[((position >> 16) << 1) + 1]);
split16_t const usample0{MV_FLIP_SIGNEDNESS(MV_VOLUME(isample0, volume))};
split16_t const usample1{MV_FLIP_SIGNEDNESS(MV_VOLUME(isample1, volume))};
split16_t const usample0{FLIP_SIGN(SCALE_SAMPLE(isample0, volume))};
split16_t const usample1{FLIP_SIGN(SCALE_SAMPLE(isample1, volume))};
position += rate;
int32_t const sample0 = (MV_LeftVolume[usample0.l()] >> 8) + MV_LeftVolume[usample0.h()] + 128;
int32_t const sample1 = (MV_RightVolume[usample1.l()] >> 8) + MV_RightVolume[usample1.h()] + 128;
*dest = (int16_t)clamp(sample0 + *dest, INT16_MIN, INT16_MAX);
*(dest + (MV_RightChannelOffset >> 1))
= (int16_t)clamp(sample1 + *(dest + (MV_RightChannelOffset >> 1)), INT16_MIN, INT16_MAX);
dest += MV_SampleSize >> 1;
}

2
source/audiolib/src/multivoc.cpp
View file

@ -177,7 +177,7 @@ static void MV_Mix(VoiceNode *voice, int const buffer)
voclength = length;
if (voice->mix)
voice->mix(position, rate, start, voclength, voice->volume);
voice->mix(voice, voclength);
voice->position = MV_MixPosition;