mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
merge 'lennart' branch back into trunk.
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering
parent
6687dd0131
commit
a67c21f093
294 changed files with 79057 additions and 11614 deletions
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@ -28,53 +28,71 @@
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <liboil/liboilfuncs.h>
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#include <liboil/liboil.h>
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#include <pulsecore/log.h>
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#include <pulsecore/macro.h>
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#include "sample-util.h"
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#include "endianmacros.h"
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#define PA_SILENCE_MAX (1024*1024*1)
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#define PA_SILENCE_MAX (PA_PAGE_SIZE*16)
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pa_memblock *pa_silence_memblock_new(pa_mempool *pool, const pa_sample_spec *spec, size_t length) {
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size_t fs;
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assert(pool);
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assert(spec);
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pa_assert(pool);
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pa_assert(spec);
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if (length == 0)
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if (length <= 0)
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length = pa_bytes_per_second(spec)/20; /* 50 ms */
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if (length > PA_SILENCE_MAX)
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length = PA_SILENCE_MAX;
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fs = pa_frame_size(spec);
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length = ((PA_SILENCE_MAX+fs-1) / fs) * fs;
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length = (length+fs-1)/fs;
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if (length <= 0)
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length = fs;
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length = 1;
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length *= fs;
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return pa_silence_memblock(pa_memblock_new(pool, length), spec);
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}
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pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec) {
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assert(b && b->data && spec);
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pa_silence_memory(b->data, b->length, spec);
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void *data;
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pa_assert(b);
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pa_assert(spec);
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data = pa_memblock_acquire(b);
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pa_silence_memory(data, pa_memblock_get_length(b), spec);
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pa_memblock_release(b);
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return b;
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}
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void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec) {
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assert(c && c->memblock && c->memblock->data && spec && c->length);
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void *data;
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pa_silence_memory((uint8_t*) c->memblock->data+c->index, c->length, spec);
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pa_assert(c);
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pa_assert(c->memblock);
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pa_assert(spec);
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data = pa_memblock_acquire(c->memblock);
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pa_silence_memory((uint8_t*) data+c->index, c->length, spec);
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pa_memblock_release(c->memblock);
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}
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void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
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uint8_t c = 0;
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assert(p && length && spec);
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pa_assert(p);
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pa_assert(length > 0);
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pa_assert(spec);
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switch (spec->format) {
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case PA_SAMPLE_U8:
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@ -87,37 +105,51 @@ void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
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c = 0;
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break;
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case PA_SAMPLE_ALAW:
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c = 0xd5;
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break;
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case PA_SAMPLE_ULAW:
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c = 80;
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c = 0xff;
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break;
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default:
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assert(0);
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pa_assert_not_reached();
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}
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memset(p, c, length);
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}
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size_t pa_mix(
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const pa_mix_info streams[],
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unsigned nstreams,
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void *data,
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size_t length,
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const pa_sample_spec *spec,
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const pa_cvolume *volume,
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int mute) {
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pa_mix_info streams[],
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unsigned nstreams,
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void *data,
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size_t length,
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const pa_sample_spec *spec,
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const pa_cvolume *volume,
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int mute) {
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assert(streams && data && length && spec);
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pa_cvolume full_volume;
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size_t d = 0;
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unsigned k;
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pa_assert(streams);
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pa_assert(data);
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pa_assert(length);
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pa_assert(spec);
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if (!volume)
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volume = pa_cvolume_reset(&full_volume, spec->channels);
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for (k = 0; k < nstreams; k++)
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streams[k].internal = pa_memblock_acquire(streams[k].chunk.memblock);
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switch (spec->format) {
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case PA_SAMPLE_S16NE:{
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size_t d;
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unsigned channel = 0;
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for (d = 0;; d += sizeof(int16_t)) {
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int32_t sum = 0;
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if (d >= length)
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return d;
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goto finish;
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if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
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unsigned i;
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@ -127,12 +159,12 @@ size_t pa_mix(
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pa_volume_t cvolume = streams[i].volume.values[channel];
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if (d >= streams[i].chunk.length)
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return d;
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goto finish;
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if (cvolume == PA_VOLUME_MUTED)
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v = 0;
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else {
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v = *((int16_t*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d));
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v = *((int16_t*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d));
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if (cvolume != PA_VOLUME_NORM)
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v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
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@ -144,28 +176,27 @@ size_t pa_mix(
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if (volume->values[channel] != PA_VOLUME_NORM)
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sum = (int32_t) (sum * pa_sw_volume_to_linear(volume->values[channel]));
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if (sum < -0x8000) sum = -0x8000;
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if (sum > 0x7FFF) sum = 0x7FFF;
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sum = CLAMP(sum, -0x8000, 0x7FFF);
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}
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*((int16_t*) data) = sum;
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*((int16_t*) data) = (int16_t) sum;
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data = (uint8_t*) data + sizeof(int16_t);
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if (++channel >= spec->channels)
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channel = 0;
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}
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break;
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}
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case PA_SAMPLE_S16RE:{
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size_t d;
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unsigned channel = 0;
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for (d = 0;; d += sizeof(int16_t)) {
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int32_t sum = 0;
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if (d >= length)
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return d;
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goto finish;
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if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
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unsigned i;
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@ -175,12 +206,12 @@ size_t pa_mix(
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pa_volume_t cvolume = streams[i].volume.values[channel];
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if (d >= streams[i].chunk.length)
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return d;
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goto finish;
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if (cvolume == PA_VOLUME_MUTED)
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v = 0;
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else {
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v = INT16_SWAP(*((int16_t*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d)));
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v = PA_INT16_SWAP(*((int16_t*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d)));
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if (cvolume != PA_VOLUME_NORM)
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v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
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@ -192,28 +223,27 @@ size_t pa_mix(
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if (volume->values[channel] != PA_VOLUME_NORM)
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sum = (int32_t) (sum * pa_sw_volume_to_linear(volume->values[channel]));
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if (sum < -0x8000) sum = -0x8000;
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if (sum > 0x7FFF) sum = 0x7FFF;
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sum = CLAMP(sum, -0x8000, 0x7FFF);
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}
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*((int16_t*) data) = INT16_SWAP(sum);
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*((int16_t*) data) = PA_INT16_SWAP((int16_t) sum);
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data = (uint8_t*) data + sizeof(int16_t);
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if (++channel >= spec->channels)
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channel = 0;
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}
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break;
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}
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case PA_SAMPLE_U8: {
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size_t d;
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unsigned channel = 0;
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for (d = 0;; d ++) {
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int32_t sum = 0;
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if (d >= length)
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return d;
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goto finish;
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if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
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unsigned i;
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@ -223,12 +253,12 @@ size_t pa_mix(
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pa_volume_t cvolume = streams[i].volume.values[channel];
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if (d >= streams[i].chunk.length)
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return d;
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goto finish;
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if (cvolume == PA_VOLUME_MUTED)
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v = 0;
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else {
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v = (int32_t) *((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d) - 0x80;
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v = (int32_t) *((uint8_t*) streams[i].internal + streams[i].chunk.index + d) - 0x80;
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if (cvolume != PA_VOLUME_NORM)
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v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
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if (volume->values[channel] != PA_VOLUME_NORM)
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sum = (int32_t) (sum * pa_sw_volume_to_linear(volume->values[channel]));
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if (sum < -0x80) sum = -0x80;
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if (sum > 0x7F) sum = 0x7F;
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sum = CLAMP(sum, -0x80, 0x7F);
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}
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*((uint8_t*) data) = (uint8_t) (sum + 0x80);
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@ -251,17 +279,18 @@ size_t pa_mix(
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if (++channel >= spec->channels)
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channel = 0;
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}
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break;
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}
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case PA_SAMPLE_FLOAT32NE: {
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size_t d;
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unsigned channel = 0;
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for (d = 0;; d += sizeof(float)) {
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float sum = 0;
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if (d >= length)
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return d;
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goto finish;
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if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
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unsigned i;
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@ -271,12 +300,12 @@ size_t pa_mix(
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pa_volume_t cvolume = streams[i].volume.values[channel];
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if (d >= streams[i].chunk.length)
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return d;
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goto finish;
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if (cvolume == PA_VOLUME_MUTED)
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v = 0;
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else {
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v = *((float*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d));
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v = *((float*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d));
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if (cvolume != PA_VOLUME_NORM)
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v *= pa_sw_volume_to_linear(cvolume);
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@ -295,18 +324,35 @@ size_t pa_mix(
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if (++channel >= spec->channels)
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channel = 0;
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}
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break;
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}
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default:
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pa_log_error("ERROR: Unable to mix audio data of format %s.", pa_sample_format_to_string(spec->format));
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abort();
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}
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finish:
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for (k = 0; k < nstreams; k++)
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pa_memblock_release(streams[k].chunk.memblock);
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return d;
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}
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void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvolume *volume) {
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assert(c && spec && (c->length % pa_frame_size(spec) == 0));
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assert(volume);
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void pa_volume_memchunk(
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pa_memchunk*c,
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const pa_sample_spec *spec,
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const pa_cvolume *volume) {
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void *ptr;
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pa_assert(c);
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pa_assert(spec);
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pa_assert(c->length % pa_frame_size(spec) == 0);
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pa_assert(volume);
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if (pa_cvolume_channels_equal_to(volume, PA_VOLUME_NORM))
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return;
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@ -316,24 +362,25 @@ void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvol
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return;
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}
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ptr = pa_memblock_acquire(c->memblock);
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switch (spec->format) {
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case PA_SAMPLE_S16NE: {
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int16_t *d;
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size_t n;
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unsigned channel;
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double linear[PA_CHANNELS_MAX];
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int32_t linear[PA_CHANNELS_MAX];
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for (channel = 0; channel < spec->channels; channel++)
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linear[channel] = pa_sw_volume_to_linear(volume->values[channel]);
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linear[channel] = (int32_t) (pa_sw_volume_to_linear(volume->values[channel]) * 0x10000);
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for (channel = 0, d = (int16_t*) ((uint8_t*) c->memblock->data+c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
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int32_t t = (int32_t)(*d);
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t = (int32_t) (t * linear[channel]);
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if (t < -0x8000) t = -0x8000;
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if (t > 0x7FFF) t = 0x7FFF;
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for (channel = 0, d = (int16_t*) ((uint8_t*) ptr + c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
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int32_t t;
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t = (int32_t)(*d);
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t = (t * linear[channel]) / 0x10000;
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t = CLAMP(t, -0x8000, 0x7FFF);
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*d = (int16_t) t;
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if (++channel >= spec->channels)
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|
|
@ -346,20 +393,18 @@ void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvol
|
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int16_t *d;
|
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size_t n;
|
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unsigned channel;
|
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double linear[PA_CHANNELS_MAX];
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int32_t linear[PA_CHANNELS_MAX];
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|
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for (channel = 0; channel < spec->channels; channel++)
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linear[channel] = pa_sw_volume_to_linear(volume->values[channel]);
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linear[channel] = (int32_t) (pa_sw_volume_to_linear(volume->values[channel]) * 0x10000);
|
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|
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for (channel = 0, d = (int16_t*) ((uint8_t*) c->memblock->data+c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
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int32_t t = (int32_t)(INT16_SWAP(*d));
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for (channel = 0, d = (int16_t*) ((uint8_t*) ptr + c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
|
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int32_t t;
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t = (int32_t) (t * linear[channel]);
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if (t < -0x8000) t = -0x8000;
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if (t > 0x7FFF) t = 0x7FFF;
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*d = INT16_SWAP((int16_t) t);
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t = (int32_t)(PA_INT16_SWAP(*d));
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t = (t * linear[channel]) / 0x10000;
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t = CLAMP(t, -0x8000, 0x7FFF);
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*d = PA_INT16_SWAP((int16_t) t);
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|
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if (++channel >= spec->channels)
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channel = 0;
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|
|
@ -371,16 +416,18 @@ void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvol
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case PA_SAMPLE_U8: {
|
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uint8_t *d;
|
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size_t n;
|
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unsigned channel = 0;
|
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unsigned channel;
|
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int32_t linear[PA_CHANNELS_MAX];
|
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|
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for (d = (uint8_t*) c->memblock->data + c->index, n = c->length; n > 0; d++, n--) {
|
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int32_t t = (int32_t) *d - 0x80;
|
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for (channel = 0; channel < spec->channels; channel++)
|
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linear[channel] = (int32_t) (pa_sw_volume_to_linear(volume->values[channel]) * 0x10000);
|
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|
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t = (int32_t) (t * pa_sw_volume_to_linear(volume->values[channel]));
|
||||
|
||||
if (t < -0x80) t = -0x80;
|
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if (t > 0x7F) t = 0x7F;
|
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for (channel = 0, d = (uint8_t*) ptr + c->index, n = c->length; n > 0; d++, n--) {
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int32_t t;
|
||||
|
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t = (int32_t) *d - 0x80;
|
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t = (t * linear[channel]) / 0x10000;
|
||||
t = CLAMP(t, -0x80, 0x7F);
|
||||
*d = (uint8_t) (t + 0x80);
|
||||
|
||||
if (++channel >= spec->channels)
|
||||
|
|
@ -395,7 +442,7 @@ void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvol
|
|||
unsigned n;
|
||||
unsigned channel;
|
||||
|
||||
d = (float*) ((uint8_t*) c->memblock->data + c->index);
|
||||
d = (float*) ((uint8_t*) ptr + c->index);
|
||||
skip = spec->channels * sizeof(float);
|
||||
n = c->length/sizeof(float)/spec->channels;
|
||||
|
||||
|
|
@ -406,7 +453,6 @@ void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvol
|
|||
continue;
|
||||
|
||||
v = (float) pa_sw_volume_to_linear(volume->values[channel]);
|
||||
|
||||
t = d + channel;
|
||||
oil_scalarmult_f32(t, skip, t, skip, &v, n);
|
||||
}
|
||||
|
|
@ -414,9 +460,85 @@ void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvol
|
|||
}
|
||||
|
||||
default:
|
||||
pa_log_error("ERROR: Unable to change volume of format %s.",
|
||||
pa_sample_format_to_string(spec->format));
|
||||
abort();
|
||||
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 */
|
||||
}
|
||||
|
||||
pa_memblock_release(c->memblock);
|
||||
}
|
||||
|
||||
size_t pa_frame_align(size_t l, const pa_sample_spec *ss) {
|
||||
size_t fs;
|
||||
|
||||
pa_assert(ss);
|
||||
|
||||
fs = pa_frame_size(ss);
|
||||
|
||||
return (l/fs) * fs;
|
||||
}
|
||||
|
||||
int pa_frame_aligned(size_t l, const pa_sample_spec *ss) {
|
||||
size_t fs;
|
||||
|
||||
pa_assert(ss);
|
||||
|
||||
fs = pa_frame_size(ss);
|
||||
|
||||
return l % fs == 0;
|
||||
}
|
||||
|
||||
void pa_interleave(const void *src[], unsigned channels, void *dst, size_t ss, unsigned n) {
|
||||
unsigned c;
|
||||
size_t fs;
|
||||
|
||||
pa_assert(src);
|
||||
pa_assert(channels > 0);
|
||||
pa_assert(dst);
|
||||
pa_assert(ss > 0);
|
||||
pa_assert(n > 0);
|
||||
|
||||
fs = ss * channels;
|
||||
|
||||
for (c = 0; c < channels; c++) {
|
||||
unsigned j;
|
||||
void *d;
|
||||
const void *s;
|
||||
|
||||
s = src[c];
|
||||
d = (uint8_t*) dst + c * ss;
|
||||
|
||||
for (j = 0; j < n; j ++) {
|
||||
oil_memcpy(d, s, ss);
|
||||
s = (uint8_t*) s + ss;
|
||||
d = (uint8_t*) d + fs;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void pa_deinterleave(const void *src, void *dst[], unsigned channels, size_t ss, unsigned n) {
|
||||
size_t fs;
|
||||
unsigned c;
|
||||
|
||||
pa_assert(src);
|
||||
pa_assert(dst);
|
||||
pa_assert(channels > 0);
|
||||
pa_assert(ss > 0);
|
||||
pa_assert(n > 0);
|
||||
|
||||
fs = ss * channels;
|
||||
|
||||
for (c = 0; c < channels; c++) {
|
||||
unsigned j;
|
||||
const void *s;
|
||||
void *d;
|
||||
|
||||
s = (uint8_t*) src + c * ss;
|
||||
d = dst[c];
|
||||
|
||||
for (j = 0; j < n; j ++) {
|
||||
oil_memcpy(d, s, ss);
|
||||
s = (uint8_t*) s + fs;
|
||||
d = (uint8_t*) d + ss;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue