#include <config.h>
#endif
-#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
+#include <math.h>
#include <pulse/timeval.h>
#include <pulsecore/macro.h>
#include <pulsecore/g711.h>
#include <pulsecore/core-util.h>
+#include <pulsecore/endianmacros.h>
#include "sample-util.h"
-#include "endianmacros.h"
#define PA_SILENCE_MAX (PA_PAGE_SIZE*16)
return p;
}
-static void calc_linear_integer_volume(int32_t linear[], const pa_cvolume *volume) {
- unsigned channel;
-
- pa_assert(linear);
- pa_assert(volume);
-
- for (channel = 0; channel < volume->channels; channel++)
- linear[channel] = (int32_t) lrint(pa_sw_volume_to_linear(volume->values[channel]) * 0x10000);
-}
-
-static void calc_linear_float_volume(float linear[], const pa_cvolume *volume) {
- unsigned channel;
-
- pa_assert(linear);
- pa_assert(volume);
-
- for (channel = 0; channel < volume->channels; channel++)
- linear[channel] = (float) pa_sw_volume_to_linear(volume->values[channel]);
-}
-
-static void calc_linear_integer_stream_volumes(pa_mix_info streams[], unsigned nstreams, const pa_cvolume *volume, const pa_sample_spec *spec) {
- unsigned k, channel;
- float linear[PA_CHANNELS_MAX];
-
- pa_assert(streams);
- pa_assert(spec);
- pa_assert(volume);
-
- calc_linear_float_volume(linear, volume);
-
- for (k = 0; k < nstreams; k++) {
-
- for (channel = 0; channel < spec->channels; channel++) {
- pa_mix_info *m = streams + k;
- m->linear[channel].i = (int32_t) lrint(pa_sw_volume_to_linear(m->volume.values[channel]) * linear[channel] * 0x10000);
- }
- }
-}
-
-static void calc_linear_float_stream_volumes(pa_mix_info streams[], unsigned nstreams, const pa_cvolume *volume, const pa_sample_spec *spec) {
- unsigned k, channel;
- float linear[PA_CHANNELS_MAX];
-
- pa_assert(streams);
- pa_assert(spec);
- pa_assert(volume);
-
- calc_linear_float_volume(linear, volume);
-
- for (k = 0; k < nstreams; k++) {
-
- for (channel = 0; channel < spec->channels; channel++) {
- pa_mix_info *m = streams + k;
- m->linear[channel].f = (float) (pa_sw_volume_to_linear(m->volume.values[channel]) * linear[channel]);
- }
- }
-}
-
-size_t pa_mix(
- pa_mix_info streams[],
- unsigned nstreams,
- void *data,
- size_t length,
- const pa_sample_spec *spec,
- const pa_cvolume *volume,
- pa_bool_t mute) {
-
- pa_cvolume full_volume;
- unsigned k;
- unsigned z;
- void *end;
-
- pa_assert(streams);
- pa_assert(data);
- pa_assert(length);
- pa_assert(spec);
-
- if (!volume)
- volume = pa_cvolume_reset(&full_volume, spec->channels);
-
- if (mute || pa_cvolume_is_muted(volume) || nstreams <= 0) {
- pa_silence_memory(data, length, spec);
- return length;
- }
-
- for (k = 0; k < nstreams; k++)
- streams[k].ptr = (uint8_t*) pa_memblock_acquire(streams[k].chunk.memblock) + streams[k].chunk.index;
-
- for (z = 0; z < nstreams; z++)
- if (length > streams[z].chunk.length)
- length = streams[z].chunk.length;
-
- end = (uint8_t*) data + length;
-
- switch (spec->format) {
-
- case PA_SAMPLE_S16NE:{
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int32_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t v, lo, hi, cv = m->linear[channel].i;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- /* 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 = cv >> 16;
- lo = cv & 0xFFFF;
-
- v = *((int16_t*) m->ptr);
- v = ((v * lo) >> 16) + (v * hi);
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + sizeof(int16_t);
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF);
- *((int16_t*) data) = (int16_t) sum;
-
- data = (uint8_t*) data + sizeof(int16_t);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S16RE:{
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int32_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t v, lo, hi, cv = m->linear[channel].i;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- hi = cv >> 16;
- lo = cv & 0xFFFF;
-
- v = PA_INT16_SWAP(*((int16_t*) m->ptr));
- v = ((v * lo) >> 16) + (v * hi);
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + sizeof(int16_t);
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF);
- *((int16_t*) data) = PA_INT16_SWAP((int16_t) sum);
-
- data = (uint8_t*) data + sizeof(int16_t);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S32NE:{
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int64_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t cv = m->linear[channel].i;
- int64_t v;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = *((int32_t*) m->ptr);
- v = (v * cv) >> 16;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + sizeof(int32_t);
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL);
- *((int32_t*) data) = (int32_t) sum;
-
- data = (uint8_t*) data + sizeof(int32_t);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S32RE:{
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int64_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t cv = m->linear[channel].i;
- int64_t v;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = PA_INT32_SWAP(*((int32_t*) m->ptr));
- v = (v * cv) >> 16;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + sizeof(int32_t);
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL);
- *((int32_t*) data) = PA_INT32_SWAP((int32_t) sum);
-
- data = (uint8_t*) data + sizeof(int32_t);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S24NE: {
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int64_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t cv = m->linear[channel].i;
- int64_t v;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = (int32_t) (PA_READ24NE(m->ptr) << 8);
- v = (v * cv) >> 16;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + 3;
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL);
- PA_WRITE24NE(data, ((uint32_t) sum) >> 8);
-
- data = (uint8_t*) data + 3;
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S24RE: {
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int64_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t cv = m->linear[channel].i;
- int64_t v;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = (int32_t) (PA_READ24RE(m->ptr) << 8);
- v = (v * cv) >> 16;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + 3;
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL);
- PA_WRITE24RE(data, ((uint32_t) sum) >> 8);
-
- data = (uint8_t*) data + 3;
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S24_32NE: {
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int64_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t cv = m->linear[channel].i;
- int64_t v;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = (int32_t) (*((uint32_t*)m->ptr) << 8);
- v = (v * cv) >> 16;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + sizeof(int32_t);
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL);
- *((uint32_t*) data) = ((uint32_t) (int32_t) sum) >> 8;
-
- data = (uint8_t*) data + sizeof(uint32_t);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_S24_32RE: {
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int64_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t cv = m->linear[channel].i;
- int64_t v;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = (int32_t) (PA_UINT32_SWAP(*((uint32_t*) m->ptr)) << 8);
- v = (v * cv) >> 16;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + 3;
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x80000000LL, 0x7FFFFFFFLL);
- *((uint32_t*) data) = PA_INT32_SWAP(((uint32_t) (int32_t) sum) >> 8);
-
- data = (uint8_t*) data + sizeof(uint32_t);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_U8: {
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int32_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t v, cv = m->linear[channel].i;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = (int32_t) *((uint8_t*) m->ptr) - 0x80;
- v = (v * cv) >> 16;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + 1;
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x80, 0x7F);
- *((uint8_t*) data) = (uint8_t) (sum + 0x80);
-
- data = (uint8_t*) data + 1;
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_ULAW: {
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int32_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t v, hi, lo, cv = m->linear[channel].i;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- hi = cv >> 16;
- lo = cv & 0xFFFF;
-
- v = (int32_t) st_ulaw2linear16(*((uint8_t*) m->ptr));
- v = ((v * lo) >> 16) + (v * hi);
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + 1;
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF);
- *((uint8_t*) data) = (uint8_t) st_14linear2ulaw((int16_t) sum >> 2);
-
- data = (uint8_t*) data + 1;
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_ALAW: {
- unsigned channel = 0;
-
- calc_linear_integer_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- int32_t sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- int32_t v, hi, lo, cv = m->linear[channel].i;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- hi = cv >> 16;
- lo = cv & 0xFFFF;
-
- v = (int32_t) st_alaw2linear16(*((uint8_t*) m->ptr));
- v = ((v * lo) >> 16) + (v * hi);
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + 1;
- }
-
- sum = PA_CLAMP_UNLIKELY(sum, -0x8000, 0x7FFF);
- *((uint8_t*) data) = (uint8_t) st_13linear2alaw((int16_t) sum >> 3);
-
- data = (uint8_t*) data + 1;
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_FLOAT32NE: {
- unsigned channel = 0;
-
- calc_linear_float_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- float sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- float v, cv = m->linear[channel].f;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = *((float*) m->ptr);
- v *= cv;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + sizeof(float);
- }
-
- *((float*) data) = sum;
-
- data = (uint8_t*) data + sizeof(float);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- case PA_SAMPLE_FLOAT32RE: {
- unsigned channel = 0;
-
- calc_linear_float_stream_volumes(streams, nstreams, volume, spec);
-
- while (data < end) {
- float sum = 0;
- unsigned i;
-
- for (i = 0; i < nstreams; i++) {
- pa_mix_info *m = streams + i;
- float v, cv = m->linear[channel].f;
-
- if (PA_UNLIKELY(cv <= 0))
- continue;
-
- v = PA_FLOAT32_SWAP(*(float*) m->ptr);
- v *= cv;
- sum += v;
-
- m->ptr = (uint8_t*) m->ptr + sizeof(float);
- }
-
- *((float*) data) = PA_FLOAT32_SWAP(sum);
-
- data = (uint8_t*) data + sizeof(float);
-
- if (PA_UNLIKELY(++channel >= spec->channels))
- channel = 0;
- }
-
- break;
- }
-
- default:
- pa_log_error("Unable to mix audio data of format %s.", pa_sample_format_to_string(spec->format));
- pa_assert_not_reached();
- }
-
- for (k = 0; k < nstreams; k++)
- pa_memblock_release(streams[k].chunk.memblock);
-
- return length;
-}
-
-typedef struct pa_volume_funcs {
- void (*u8) (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*alaw) (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*ulaw) (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*s16ne) (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*s16re) (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*float32ne) (float *samples, float *volumes, unsigned channels, unsigned length);
- void (*float32re) (float *samples, float *volumes, unsigned channels, unsigned length);
- void (*s32ne) (int32_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*s32re) (int32_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*s24ne) (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*s24re) (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*s24_32ne) (uint32_t *samples, int32_t *volumes, unsigned channels, unsigned length);
- void (*s24_32re) (uint32_t *samples, int32_t *volumes, unsigned channels, unsigned length);
-} pa_volume_funcs;
-
-static void
-pa_volume_u8_c (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- for (channel = 0; length; length--) {
- int32_t t, hi, lo;
-
- hi = volumes[channel] >> 16;
- lo = volumes[channel] & 0xFFFF;
-
- t = (int32_t) *samples - 0x80;
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x80, 0x7F);
- *samples++ = (uint8_t) (t + 0x80);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_alaw_c (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- for (channel = 0; length; length--) {
- int32_t t, hi, lo;
-
- hi = volumes[channel] >> 16;
- lo = volumes[channel] & 0xFFFF;
-
- t = (int32_t) st_alaw2linear16(*samples);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *samples++ = (uint8_t) st_13linear2alaw((int16_t) t >> 3);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_ulaw_c (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- for (channel = 0; length; length--) {
- int32_t t, hi, lo;
-
- hi = volumes[channel] >> 16;
- lo = volumes[channel] & 0xFFFF;
-
- t = (int32_t) st_ulaw2linear16(*samples);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *samples++ = (uint8_t) st_14linear2ulaw((int16_t) t >> 2);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s16ne_c (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (int16_t);
-
- for (channel = 0; length; length--) {
- 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 = volumes[channel] >> 16;
- lo = volumes[channel] & 0xFFFF;
-
- t = (int32_t)(*samples);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *samples++ = (int16_t) t;
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s16re_c (int16_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (int16_t);
-
- for (channel = 0; length; length--) {
- int32_t t, hi, lo;
-
- hi = volumes[channel] >> 16;
- lo = volumes[channel] & 0xFFFF;
-
- t = (int32_t) PA_INT16_SWAP(*samples);
- t = ((t * lo) >> 16) + (t * hi);
- t = PA_CLAMP_UNLIKELY(t, -0x8000, 0x7FFF);
- *samples++ = PA_INT16_SWAP((int16_t) t);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_float32ne_c (float *samples, float *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (float);
-
- for (channel = 0; length; length--) {
- *samples++ *= volumes[channel];
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_float32re_c (float *samples, float *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (float);
-
- for (channel = 0; length; length--) {
- float t;
-
- t = PA_FLOAT32_SWAP(*samples);
- t *= volumes[channel];
- *samples++ = PA_FLOAT32_SWAP(t);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s32ne_c (int32_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (int32_t);
-
- for (channel = 0; length; length--) {
- int64_t t;
-
- t = (int64_t)(*samples);
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *samples++ = (int32_t) t;
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s32re_c (int32_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (int32_t);
-
- for (channel = 0; length; length--) {
- int64_t t;
-
- t = (int64_t) PA_INT32_SWAP(*samples);
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *samples++ = PA_INT32_SWAP((int32_t) t);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s24ne_c (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
- uint8_t *e;
-
- e = samples + length;
-
- for (channel = 0; samples < e; samples += 3) {
- int64_t t;
-
- t = (int64_t)((int32_t) (PA_READ24NE(samples) << 8));
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- PA_WRITE24NE(samples, ((uint32_t) (int32_t) t) >> 8);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s24re_c (uint8_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
- uint8_t *e;
-
- e = samples + length;
-
- for (channel = 0; samples < e; samples += 3) {
- int64_t t;
-
- t = (int64_t)((int32_t) (PA_READ24RE(samples) << 8));
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- PA_WRITE24RE(samples, ((uint32_t) (int32_t) t) >> 8);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s24_32ne_c (uint32_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (uint32_t);
-
- for (channel = 0; length; length--) {
- int64_t t;
-
- t = (int64_t) ((int32_t) (*samples << 8));
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *samples++ = ((uint32_t) ((int32_t) t)) >> 8;
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-static void
-pa_volume_s24_32re_c (uint32_t *samples, int32_t *volumes, unsigned channels, unsigned length)
-{
- unsigned channel;
-
- length /= sizeof (uint32_t);
-
- for (channel = 0; length; length--) {
- int64_t t;
-
- t = (int64_t) ((int32_t) (PA_UINT32_SWAP(*samples) << 8));
- t = (t * volumes[channel]) >> 16;
- t = PA_CLAMP_UNLIKELY(t, -0x80000000LL, 0x7FFFFFFFLL);
- *samples++ = PA_UINT32_SWAP(((uint32_t) ((int32_t) t)) >> 8);
-
- if (PA_UNLIKELY(++channel >= channels))
- channel = 0;
- }
-}
-
-typedef void (*pa_do_volume_func_t) (void *samples, void *volumes, unsigned channels, unsigned length);
-
-typedef struct pa_sample_func_t {
- pa_do_volume_func_t do_volume;
-} pa_sample_func_t;
-
-static pa_do_volume_func_t do_volume_table[] =
-{
- [PA_SAMPLE_U8] = (pa_do_volume_func_t) pa_volume_u8_c,
- [PA_SAMPLE_ALAW] = (pa_do_volume_func_t) pa_volume_alaw_c,
- [PA_SAMPLE_ULAW] = (pa_do_volume_func_t) pa_volume_ulaw_c,
- [PA_SAMPLE_S16NE] = (pa_do_volume_func_t) pa_volume_s16ne_c,
- [PA_SAMPLE_S16RE] = (pa_do_volume_func_t) pa_volume_s16re_c,
- [PA_SAMPLE_FLOAT32NE] = (pa_do_volume_func_t) pa_volume_float32ne_c,
- [PA_SAMPLE_FLOAT32RE] = (pa_do_volume_func_t) pa_volume_float32re_c,
- [PA_SAMPLE_S32NE] = (pa_do_volume_func_t) pa_volume_s32ne_c,
- [PA_SAMPLE_S32RE] = (pa_do_volume_func_t) pa_volume_s32re_c,
- [PA_SAMPLE_S24NE] = (pa_do_volume_func_t) pa_volume_s24ne_c,
- [PA_SAMPLE_S24RE] = (pa_do_volume_func_t) pa_volume_s24re_c,
- [PA_SAMPLE_S24_32NE] = (pa_do_volume_func_t) pa_volume_s24_32ne_c,
- [PA_SAMPLE_S24_32RE] = (pa_do_volume_func_t) pa_volume_s24_32re_c
-};
-
-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,
- const pa_sample_spec *spec,
- const pa_cvolume *volume) {
-
- void *ptr;
- volume_val linear[PA_CHANNELS_MAX];
-
- pa_assert(c);
- pa_assert(spec);
- pa_assert(c->length % pa_frame_size(spec) == 0);
- pa_assert(volume);
-
- if (pa_memblock_is_silence(c->memblock))
- return;
-
- if (pa_cvolume_channels_equal_to(volume, PA_VOLUME_NORM))
- return;
-
- if (pa_cvolume_channels_equal_to(volume, PA_VOLUME_MUTED)) {
- pa_silence_memchunk(c, spec);
- return;
- }
-
- 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;
- }
-
- ptr = (uint8_t*) pa_memblock_acquire(c->memblock) + c->index;
-
- calc_volume_table[spec->format] ((void *)linear, volume);
- do_volume_table[spec->format] (ptr, (void *)linear, spec->channels, c->length);
-
- pa_memblock_release(c->memblock);
-}
-
size_t pa_frame_align(size_t l, const pa_sample_spec *ss) {
size_t fs;
return (l/fs) * fs;
}
-pa_bool_t pa_frame_aligned(size_t l, const pa_sample_spec *ss) {
+bool pa_frame_aligned(size_t l, const pa_sample_spec *ss) {
size_t fs;
pa_assert(ss);
memset(data, c, length);
pa_memblock_release(b);
- pa_memblock_set_is_silence(b, TRUE);
+ pa_memblock_set_is_silence(b, true);
return b;
}
for (; n > 0; n--) {
float f;
- f = *s;
+ 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);
/* Only for debugging purposes */
- f = fopen(fn, "a");
+ f = pa_fopen_cloexec(fn, "a");
if (!f) {
pa_log_warn("Failed to open '%s': %s", fn, pa_cstrerror(errno));
calc_sine(p, c->length, freq * l / rate);
pa_memblock_release(c->memblock);
}
+
+size_t pa_convert_size(size_t size, const pa_sample_spec *from, const pa_sample_spec *to) {
+ pa_usec_t usec;
+
+ pa_assert(from);
+ pa_assert(to);
+
+ usec = pa_bytes_to_usec_round_up(size, from);
+ return pa_usec_to_bytes_round_up(usec, to);
+}