Revert r1404 and keep it on a development branch until it is fully tested.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1409 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-11-06 13:06:01 +00:00
parent 6ca819354c
commit 8dc6214276
36 changed files with 499 additions and 990 deletions

View file

@ -46,27 +46,15 @@ pa_memblock *pa_silence_memblock_new(pa_mempool *pool, const pa_sample_spec *spe
}
pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec) {
void *data;
assert(b);
assert(spec);
data = pa_memblock_acquire(b);
pa_silence_memory(data, pa_memblock_get_length(b), spec);
pa_memblock_release(b);
assert(b && b->data && spec);
pa_silence_memory(b->data, b->length, spec);
return b;
}
void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec) {
void *data;
assert(c);
assert(c->memblock);
assert(spec);
assert(c && c->memblock && c->memblock->data && spec && c->length);
data = pa_memblock_acquire(c->memblock);
pa_silence_memory((uint8_t*) data+c->index, c->length, spec);
pa_memblock_release(c->memblock);
pa_silence_memory((uint8_t*) c->memblock->data+c->index, c->length, spec);
}
void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
@ -94,38 +82,26 @@ void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
}
size_t pa_mix(
pa_mix_info streams[],
unsigned nstreams,
void *data,
size_t length,
const pa_sample_spec *spec,
const pa_cvolume *volume,
int mute) {
pa_cvolume full_volume;
size_t d = 0;
unsigned k;
const pa_mix_info streams[],
unsigned nstreams,
void *data,
size_t length,
const pa_sample_spec *spec,
const pa_cvolume *volume,
int mute) {
assert(streams);
assert(data);
assert(length);
assert(spec);
assert(streams && data && length && spec);
if (!volume)
volume = pa_cvolume_reset(&full_volume, spec->channels);
for (k = 0; k < nstreams; k++)
streams[k].internal = pa_memblock_acquire(streams[k].chunk.memblock);
switch (spec->format) {
case PA_SAMPLE_S16NE:{
size_t d;
unsigned channel = 0;
for (d = 0;; d += sizeof(int16_t)) {
int32_t sum = 0;
if (d >= length)
goto finish;
return d;
if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
unsigned i;
@ -135,12 +111,12 @@ size_t pa_mix(
pa_volume_t cvolume = streams[i].volume.values[channel];
if (d >= streams[i].chunk.length)
goto finish;
return d;
if (cvolume == PA_VOLUME_MUTED)
v = 0;
else {
v = *((int16_t*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d));
v = *((int16_t*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d));
if (cvolume != PA_VOLUME_NORM)
v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
@ -163,18 +139,17 @@ size_t pa_mix(
if (++channel >= spec->channels)
channel = 0;
}
break;
}
case PA_SAMPLE_S16RE:{
size_t d;
unsigned channel = 0;
for (d = 0;; d += sizeof(int16_t)) {
int32_t sum = 0;
if (d >= length)
goto finish;
return d;
if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
unsigned i;
@ -184,12 +159,12 @@ size_t pa_mix(
pa_volume_t cvolume = streams[i].volume.values[channel];
if (d >= streams[i].chunk.length)
goto finish;
return d;
if (cvolume == PA_VOLUME_MUTED)
v = 0;
else {
v = INT16_SWAP(*((int16_t*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d)));
v = INT16_SWAP(*((int16_t*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d)));
if (cvolume != PA_VOLUME_NORM)
v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
@ -212,18 +187,17 @@ size_t pa_mix(
if (++channel >= spec->channels)
channel = 0;
}
break;
}
case PA_SAMPLE_U8: {
size_t d;
unsigned channel = 0;
for (d = 0;; d ++) {
int32_t sum = 0;
if (d >= length)
goto finish;
return d;
if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
unsigned i;
@ -233,12 +207,12 @@ size_t pa_mix(
pa_volume_t cvolume = streams[i].volume.values[channel];
if (d >= streams[i].chunk.length)
goto finish;
return d;
if (cvolume == PA_VOLUME_MUTED)
v = 0;
else {
v = (int32_t) *((uint8_t*) streams[i].internal + streams[i].chunk.index + d) - 0x80;
v = (int32_t) *((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d) - 0x80;
if (cvolume != PA_VOLUME_NORM)
v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
@ -261,18 +235,17 @@ size_t pa_mix(
if (++channel >= spec->channels)
channel = 0;
}
break;
}
case PA_SAMPLE_FLOAT32NE: {
size_t d;
unsigned channel = 0;
for (d = 0;; d += sizeof(float)) {
float sum = 0;
if (d >= length)
goto finish;
return d;
if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
unsigned i;
@ -282,12 +255,12 @@ size_t pa_mix(
pa_volume_t cvolume = streams[i].volume.values[channel];
if (d >= streams[i].chunk.length)
goto finish;
return d;
if (cvolume == PA_VOLUME_MUTED)
v = 0;
else {
v = *((float*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d));
v = *((float*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d));
if (cvolume != PA_VOLUME_NORM)
v *= pa_sw_volume_to_linear(cvolume);
@ -306,34 +279,17 @@ size_t pa_mix(
if (++channel >= spec->channels)
channel = 0;
}
break;
}
default:
pa_log_error("ERROR: Unable to mix audio data of format %s.", pa_sample_format_to_string(spec->format));
abort();
}
finish:
for (k = 0; k < nstreams; k++)
pa_memblock_release(streams[k].chunk.memblock);
return d;
}
void pa_volume_memchunk(
pa_memchunk*c,
const pa_sample_spec *spec,
const pa_cvolume *volume) {
void *ptr;
assert(c);
assert(spec);
assert(c->length % pa_frame_size(spec) == 0);
void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvolume *volume) {
assert(c && spec && (c->length % pa_frame_size(spec) == 0));
assert(volume);
if (pa_cvolume_channels_equal_to(volume, PA_VOLUME_NORM))
@ -344,8 +300,6 @@ void pa_volume_memchunk(
return;
}
ptr = pa_memblock_acquire(c->memblock);
switch (spec->format) {
case PA_SAMPLE_S16NE: {
int16_t *d;
@ -356,7 +310,7 @@ void pa_volume_memchunk(
for (channel = 0; channel < spec->channels; channel++)
linear[channel] = pa_sw_volume_to_linear(volume->values[channel]);
for (channel = 0, d = (int16_t*) ((uint8_t*) ptr + c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
for (channel = 0, d = (int16_t*) ((uint8_t*) c->memblock->data+c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
int32_t t = (int32_t)(*d);
t = (int32_t) (t * linear[channel]);
@ -381,7 +335,7 @@ void pa_volume_memchunk(
for (channel = 0; channel < spec->channels; channel++)
linear[channel] = pa_sw_volume_to_linear(volume->values[channel]);
for (channel = 0, d = (int16_t*) ((uint8_t*) ptr + c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
for (channel = 0, d = (int16_t*) ((uint8_t*) c->memblock->data+c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
int32_t t = (int32_t)(INT16_SWAP(*d));
t = (int32_t) (t * linear[channel]);
@ -403,7 +357,7 @@ void pa_volume_memchunk(
size_t n;
unsigned channel = 0;
for (d = (uint8_t*) ptr + c->index, n = c->length; n > 0; d++, n--) {
for (d = (uint8_t*) c->memblock->data + c->index, n = c->length; n > 0; d++, n--) {
int32_t t = (int32_t) *d - 0x80;
t = (int32_t) (t * pa_sw_volume_to_linear(volume->values[channel]));
@ -425,7 +379,7 @@ void pa_volume_memchunk(
unsigned n;
unsigned channel;
d = (float*) ((uint8_t*) ptr + c->index);
d = (float*) ((uint8_t*) c->memblock->data + c->index);
skip = spec->channels * sizeof(float);
n = c->length/sizeof(float)/spec->channels;
@ -448,7 +402,5 @@ void pa_volume_memchunk(
pa_sample_format_to_string(spec->format));
abort();
}
pa_memblock_release(c->memblock);
}