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-rw-r--r--src/pulsecore/sample-util.c396
1 files changed, 58 insertions, 338 deletions
diff --git a/src/pulsecore/sample-util.c b/src/pulsecore/sample-util.c
index 5b8ccf59..6e97e5a9 100644
--- a/src/pulsecore/sample-util.c
+++ b/src/pulsecore/sample-util.c
@@ -30,9 +30,6 @@
#include <stdio.h>
#include <errno.h>
-#include <liboil/liboilfuncs.h>
-#include <liboil/liboil.h>
-
#include <pulse/timeval.h>
#include <pulsecore/log.h>
@@ -106,24 +103,36 @@ void* pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
return p;
}
+#define VOLUME_PADDING 32
+
static void calc_linear_integer_volume(int32_t linear[], const pa_cvolume *volume) {
- unsigned channel;
+ unsigned channel, nchannels, padding;
pa_assert(linear);
pa_assert(volume);
- for (channel = 0; channel < volume->channels; channel++)
+ nchannels = volume->channels;
+
+ for (channel = 0; channel < nchannels; channel++)
linear[channel] = (int32_t) lrint(pa_sw_volume_to_linear(volume->values[channel]) * 0x10000);
+
+ for (padding = 0; padding < VOLUME_PADDING; padding++, channel++)
+ linear[channel] = linear[padding];
}
static void calc_linear_float_volume(float linear[], const pa_cvolume *volume) {
- unsigned channel;
+ unsigned channel, nchannels, padding;
pa_assert(linear);
pa_assert(volume);
- for (channel = 0; channel < volume->channels; channel++)
+ nchannels = volume->channels;
+
+ for (channel = 0; channel < nchannels; channel++)
linear[channel] = (float) pa_sw_volume_to_linear(volume->values[channel]);
+
+ for (padding = 0; padding < VOLUME_PADDING; padding++, channel++)
+ linear[channel] = linear[padding];
}
static void calc_linear_integer_stream_volumes(pa_mix_info streams[], unsigned nstreams, const pa_cvolume *volume, const pa_sample_spec *spec) {
@@ -690,6 +699,28 @@ size_t pa_mix(
return length;
}
+typedef union {
+ float f;
+ uint32_t i;
+} volume_val;
+
+typedef void (*pa_calc_volume_func_t) (void *volumes, const pa_cvolume *volume);
+
+static const pa_calc_volume_func_t calc_volume_table[] = {
+ [PA_SAMPLE_U8] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_ALAW] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_ULAW] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_S16LE] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_S16BE] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_FLOAT32LE] = (pa_calc_volume_func_t) calc_linear_float_volume,
+ [PA_SAMPLE_FLOAT32BE] = (pa_calc_volume_func_t) calc_linear_float_volume,
+ [PA_SAMPLE_S32LE] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_S32BE] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_S24LE] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_S24BE] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_S24_32LE] = (pa_calc_volume_func_t) calc_linear_integer_volume,
+ [PA_SAMPLE_S24_32BE] = (pa_calc_volume_func_t) calc_linear_integer_volume
+};
void pa_volume_memchunk(
pa_memchunk*c,
@@ -697,6 +728,8 @@ void pa_volume_memchunk(
const pa_cvolume *volume) {
void *ptr;
+ volume_val linear[PA_CHANNELS_MAX + VOLUME_PADDING];
+ pa_do_volume_func_t do_volume;
pa_assert(c);
pa_assert(spec);
@@ -714,337 +747,19 @@ void pa_volume_memchunk(
return;
}
- ptr = (uint8_t*) pa_memblock_acquire(c->memblock) + c->index;
-
- switch (spec->format) {
-
- case PA_SAMPLE_S16NE: {
- int16_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (int16_t*) ptr + c->length/sizeof(int16_t);
-
- for (channel = 0, d = ptr; d < e; d++) {
- int32_t t, hi, lo;
-
- /* Multiplying the 32bit volume factor with the 16bit
- * sample might result in an 48bit value. We want to
- * do without 64 bit integers and hence do the
- * multiplication independantly for the HI and LO part
- * of the volume. */
-
- hi = linear[channel] >> 16;
- lo = linear[channel] & 0xFFFF;
-
- t = (int32_t)(*d);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *d = (int16_t) t;
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S16RE: {
- int16_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (int16_t*) ptr + c->length/sizeof(int16_t);
-
- for (channel = 0, d = ptr; d < e; d++) {
- int32_t t, hi, lo;
-
- hi = linear[channel] >> 16;
- lo = linear[channel] & 0xFFFF;
-
- t = (int32_t) PA_INT16_SWAP(*d);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *d = PA_INT16_SWAP((int16_t) t);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S32NE: {
- int32_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (int32_t*) ptr + c->length/sizeof(int32_t);
-
- for (channel = 0, d = ptr; d < e; d++) {
- int64_t t;
-
- t = (int64_t)(*d);
- t = (t * linear[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *d = (int32_t) t;
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_S32RE: {
- int32_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (int32_t*) ptr + c->length/sizeof(int32_t);
-
- for (channel = 0, d = ptr; d < e; d++) {
- int64_t t;
-
- t = (int64_t) PA_INT32_SWAP(*d);
- t = (t * linear[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *d = PA_INT32_SWAP((int32_t) t);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_S24NE: {
- uint8_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (uint8_t*) ptr + c->length;
-
- for (channel = 0, d = ptr; d < e; d += 3) {
- int64_t t;
-
- t = (int64_t)((int32_t) (PA_READ24NE(d) << 8));
- t = (t * linear[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- PA_WRITE24NE(d, ((uint32_t) (int32_t) t) >> 8);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_S24RE: {
- uint8_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (uint8_t*) ptr + c->length;
-
- for (channel = 0, d = ptr; d < e; d += 3) {
- int64_t t;
-
- t = (int64_t)((int32_t) (PA_READ24RE(d) << 8));
- t = (t * linear[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- PA_WRITE24RE(d, ((uint32_t) (int32_t) t) >> 8);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_S24_32NE: {
- uint32_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (uint32_t*) ptr + c->length/sizeof(uint32_t);
-
- for (channel = 0, d = ptr; d < e; d++) {
- int64_t t;
-
- t = (int64_t) ((int32_t) (*d << 8));
- t = (t * linear[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *d = ((uint32_t) ((int32_t) t)) >> 8;
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_S24_32RE: {
- uint32_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (uint32_t*) ptr + c->length/sizeof(uint32_t);
-
- for (channel = 0, d = ptr; d < e; d++) {
- int64_t t;
-
- t = (int64_t) ((int32_t) (PA_UINT32_SWAP(*d) << 8));
- t = (t * linear[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *d = PA_UINT32_SWAP(((uint32_t) ((int32_t) t)) >> 8);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_U8: {
- uint8_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (uint8_t*) ptr + c->length;
-
- for (channel = 0, d = ptr; d < e; d++) {
- int32_t t, hi, lo;
-
- hi = linear[channel] >> 16;
- lo = linear[channel] & 0xFFFF;
-
- t = (int32_t) *d - 0x80;
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x80, 0x7F);
- *d = (uint8_t) (t + 0x80);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_ULAW: {
- uint8_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (uint8_t*) ptr + c->length;
-
- for (channel = 0, d = ptr; d < e; d++) {
- int32_t t, hi, lo;
-
- hi = linear[channel] >> 16;
- lo = linear[channel] & 0xFFFF;
-
- t = (int32_t) st_ulaw2linear16(*d);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *d = (uint8_t) st_14linear2ulaw((int16_t) t >> 2);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_ALAW: {
- uint8_t *d, *e;
- unsigned channel;
- int32_t linear[PA_CHANNELS_MAX];
-
- calc_linear_integer_volume(linear, volume);
-
- e = (uint8_t*) ptr + c->length;
-
- for (channel = 0, d = ptr; d < e; d++) {
- int32_t t, hi, lo;
-
- hi = linear[channel] >> 16;
- lo = linear[channel] & 0xFFFF;
-
- t = (int32_t) st_alaw2linear16(*d);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *d = (uint8_t) st_13linear2alaw((int16_t) t >> 3);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
- break;
- }
-
- case PA_SAMPLE_FLOAT32NE: {
- float *d;
- int skip;
- unsigned n;
- unsigned channel;
-
- d = ptr;
- skip = (int) (spec->channels * sizeof(float));
- n = (unsigned) (c->length/sizeof(float)/spec->channels);
-
- for (channel = 0; channel < spec->channels; channel ++) {
- float v, *t;
-
- if (PA_UNLIKELY(volume->values[channel] == PA_VOLUME_NORM))
- continue;
-
- v = (float) pa_sw_volume_to_linear(volume->values[channel]);
- t = d + channel;
- oil_scalarmult_f32(t, skip, t, skip, &v, (int) n);
- }
- break;
- }
-
- case PA_SAMPLE_FLOAT32RE: {
- float *d, *e;
- unsigned channel;
- float linear[PA_CHANNELS_MAX];
-
- calc_linear_float_volume(linear, volume);
-
- e = (float*) ptr + c->length/sizeof(float);
-
- for (channel = 0, d = ptr; d < e; d++) {
- float t;
+ if (spec->format < 0 || spec->format > PA_SAMPLE_MAX) {
+ pa_log_warn(" Unable to change volume of format %s.", pa_sample_format_to_string(spec->format));
+ return;
+ }
- t = PA_FLOAT32_SWAP(*d);
- t *= linear[channel];
- *d = PA_FLOAT32_SWAP(t);
+ do_volume = pa_get_volume_func (spec->format);
+ pa_assert(do_volume);
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
+ calc_volume_table[spec->format] ((void *)linear, volume);
+ ptr = (uint8_t*) pa_memblock_acquire(c->memblock) + c->index;
- default:
- pa_log_warn(" Unable to change volume of format %s.", pa_sample_format_to_string(spec->format));
- /* If we cannot change the volume, we just don't do it */
- }
+ do_volume (ptr, (void *)linear, spec->channels, c->length);
pa_memblock_release(c->memblock);
}
@@ -1090,7 +805,7 @@ void pa_interleave(const void *src[], unsigned channels, void *dst, size_t ss, u
d = (uint8_t*) dst + c * ss;
for (j = 0; j < n; j ++) {
- oil_memcpy(d, s, (int) ss);
+ memcpy(d, s, (int) ss);
s = (uint8_t*) s + ss;
d = (uint8_t*) d + fs;
}
@@ -1118,7 +833,7 @@ void pa_deinterleave(const void *src, void *dst[], unsigned channels, size_t ss,
d = dst[c];
for (j = 0; j < n; j ++) {
- oil_memcpy(d, s, (int) ss);
+ memcpy(d, s, (int) ss);
s = (uint8_t*) s + fs;
d = (uint8_t*) d + ss;
}
@@ -1227,10 +942,15 @@ void pa_sample_clamp(pa_sample_format_t format, void *dst, size_t dstr, const vo
s = src; d = dst;
if (format == PA_SAMPLE_FLOAT32NE) {
+ for (; n > 0; n--) {
+ float f;
- float minus_one = -1.0, plus_one = 1.0;
- oil_clip_f32(d, (int) dstr, s, (int) sstr, (int) n, &minus_one, &plus_one);
+ f = *s;
+ *d = PA_CLAMP_UNLIKELY(f, -1.0f, 1.0f);
+ s = (const float*) ((const uint8_t*) s + sstr);
+ d = (float*) ((uint8_t*) d + dstr);
+ }
} else {
pa_assert(format == PA_SAMPLE_FLOAT32RE);
generated by cgit (git 2.34.1) at 2024-11-13 06:17:21 +0000