pulseaudio/src/pulsecore/sndfile-util.c
Ondrej Holecek 5effc83479 update FSF addresses to FSF web page
FSF addresses used in PA sources are no longer valid and rpmlint
generates numerous warnings during packaging because of this.
This patch changes all FSF addresses to FSF web page according to
the GPL how-to: https://www.gnu.org/licenses/gpl-howto.en.html

Done automatically by sed-ing through sources.
2015-01-14 22:20:40 +02:00

461 lines
14 KiB
C

/***
This file is part of PulseAudio.
Copyright 2009 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/* Shared between pacat/parec/paplay and the server */
#include <pulse/xmalloc.h>
#include <pulse/utf8.h>
#include <pulsecore/macro.h>
#include "sndfile-util.h"
int pa_sndfile_read_sample_spec(SNDFILE *sf, pa_sample_spec *ss) {
SF_INFO sfi;
int sf_errno;
pa_assert(sf);
pa_assert(ss);
pa_zero(sfi);
if ((sf_errno = sf_command(sf, SFC_GET_CURRENT_SF_INFO, &sfi, sizeof(sfi)))) {
pa_log_error("sndfile: %s", sf_error_number(sf_errno));
return -1;
}
switch (sfi.format & SF_FORMAT_SUBMASK) {
case SF_FORMAT_PCM_16:
case SF_FORMAT_PCM_U8:
case SF_FORMAT_PCM_S8:
ss->format = PA_SAMPLE_S16NE;
break;
case SF_FORMAT_PCM_24:
ss->format = PA_SAMPLE_S24NE;
break;
case SF_FORMAT_PCM_32:
ss->format = PA_SAMPLE_S32NE;
break;
case SF_FORMAT_ULAW:
ss->format = PA_SAMPLE_ULAW;
break;
case SF_FORMAT_ALAW:
ss->format = PA_SAMPLE_ALAW;
break;
case SF_FORMAT_FLOAT:
case SF_FORMAT_DOUBLE:
default:
ss->format = PA_SAMPLE_FLOAT32NE;
break;
}
ss->rate = (uint32_t) sfi.samplerate;
ss->channels = (uint8_t) sfi.channels;
if (!pa_sample_spec_valid(ss))
return -1;
return 0;
}
int pa_sndfile_write_sample_spec(SF_INFO *sfi, pa_sample_spec *ss) {
pa_assert(sfi);
pa_assert(ss);
sfi->samplerate = (int) ss->rate;
sfi->channels = (int) ss->channels;
if (pa_sample_format_is_le(ss->format) > 0)
sfi->format = SF_ENDIAN_LITTLE;
else if (pa_sample_format_is_be(ss->format) > 0)
sfi->format = SF_ENDIAN_BIG;
switch (ss->format) {
case PA_SAMPLE_U8:
ss->format = PA_SAMPLE_S16NE;
sfi->format = SF_FORMAT_PCM_U8;
break;
case PA_SAMPLE_S16LE:
case PA_SAMPLE_S16BE:
ss->format = PA_SAMPLE_S16NE;
sfi->format |= SF_FORMAT_PCM_16;
break;
case PA_SAMPLE_S24LE:
case PA_SAMPLE_S24BE:
ss->format = PA_SAMPLE_S24NE;
sfi->format |= SF_FORMAT_PCM_24;
break;
case PA_SAMPLE_S24_32LE:
case PA_SAMPLE_S24_32BE:
ss->format = PA_SAMPLE_S24_32NE;
sfi->format |= SF_FORMAT_PCM_32;
break;
case PA_SAMPLE_S32LE:
case PA_SAMPLE_S32BE:
ss->format = PA_SAMPLE_S32NE;
sfi->format |= SF_FORMAT_PCM_32;
break;
case PA_SAMPLE_ULAW:
sfi->format = SF_FORMAT_ULAW;
break;
case PA_SAMPLE_ALAW:
sfi->format = SF_FORMAT_ALAW;
break;
case PA_SAMPLE_FLOAT32LE:
case PA_SAMPLE_FLOAT32BE:
default:
ss->format = PA_SAMPLE_FLOAT32NE;
sfi->format |= SF_FORMAT_FLOAT;
break;
}
if (!pa_sample_spec_valid(ss))
return -1;
return 0;
}
int pa_sndfile_read_channel_map(SNDFILE *sf, pa_channel_map *cm) {
static const pa_channel_position_t table[] = {
[SF_CHANNEL_MAP_MONO] = PA_CHANNEL_POSITION_MONO,
[SF_CHANNEL_MAP_LEFT] = PA_CHANNEL_POSITION_FRONT_LEFT, /* libsndfile distinguishes left and front-left, which we don't */
[SF_CHANNEL_MAP_RIGHT] = PA_CHANNEL_POSITION_FRONT_RIGHT,
[SF_CHANNEL_MAP_CENTER] = PA_CHANNEL_POSITION_FRONT_CENTER,
[SF_CHANNEL_MAP_FRONT_LEFT] = PA_CHANNEL_POSITION_FRONT_LEFT,
[SF_CHANNEL_MAP_FRONT_RIGHT] = PA_CHANNEL_POSITION_FRONT_RIGHT,
[SF_CHANNEL_MAP_FRONT_CENTER] = PA_CHANNEL_POSITION_FRONT_CENTER,
[SF_CHANNEL_MAP_REAR_CENTER] = PA_CHANNEL_POSITION_REAR_CENTER,
[SF_CHANNEL_MAP_REAR_LEFT] = PA_CHANNEL_POSITION_REAR_LEFT,
[SF_CHANNEL_MAP_REAR_RIGHT] = PA_CHANNEL_POSITION_REAR_RIGHT,
[SF_CHANNEL_MAP_LFE] = PA_CHANNEL_POSITION_LFE,
[SF_CHANNEL_MAP_FRONT_LEFT_OF_CENTER] = PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
[SF_CHANNEL_MAP_FRONT_RIGHT_OF_CENTER] = PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
[SF_CHANNEL_MAP_SIDE_LEFT] = PA_CHANNEL_POSITION_SIDE_LEFT,
[SF_CHANNEL_MAP_SIDE_RIGHT] = PA_CHANNEL_POSITION_SIDE_RIGHT,
[SF_CHANNEL_MAP_TOP_CENTER] = PA_CHANNEL_POSITION_TOP_CENTER,
[SF_CHANNEL_MAP_TOP_FRONT_LEFT] = PA_CHANNEL_POSITION_TOP_FRONT_LEFT,
[SF_CHANNEL_MAP_TOP_FRONT_RIGHT] = PA_CHANNEL_POSITION_TOP_FRONT_RIGHT,
[SF_CHANNEL_MAP_TOP_FRONT_CENTER] = PA_CHANNEL_POSITION_TOP_FRONT_CENTER,
[SF_CHANNEL_MAP_TOP_REAR_LEFT] = PA_CHANNEL_POSITION_TOP_REAR_LEFT,
[SF_CHANNEL_MAP_TOP_REAR_RIGHT] = PA_CHANNEL_POSITION_TOP_REAR_RIGHT,
[SF_CHANNEL_MAP_TOP_REAR_CENTER] = PA_CHANNEL_POSITION_TOP_REAR_CENTER
};
SF_INFO sfi;
int sf_errno;
int *channels;
unsigned c;
pa_assert(sf);
pa_assert(cm);
pa_zero(sfi);
if ((sf_errno = sf_command(sf, SFC_GET_CURRENT_SF_INFO, &sfi, sizeof(sfi)))) {
pa_log_error("sndfile: %s", sf_error_number(sf_errno));
return -1;
}
channels = pa_xnew(int, sfi.channels);
if (!sf_command(sf, SFC_GET_CHANNEL_MAP_INFO, channels, sizeof(channels[0]) * sfi.channels)) {
pa_xfree(channels);
return -1;
}
cm->channels = (uint8_t) sfi.channels;
for (c = 0; c < cm->channels; c++) {
if (channels[c] <= SF_CHANNEL_MAP_INVALID ||
(unsigned) channels[c] >= PA_ELEMENTSOF(table)) {
pa_xfree(channels);
return -1;
}
cm->map[c] = table[channels[c]];
}
pa_xfree(channels);
if (!pa_channel_map_valid(cm))
return -1;
return 0;
}
int pa_sndfile_write_channel_map(SNDFILE *sf, pa_channel_map *cm) {
static const int table[PA_CHANNEL_POSITION_MAX] = {
[PA_CHANNEL_POSITION_MONO] = SF_CHANNEL_MAP_MONO,
[PA_CHANNEL_POSITION_FRONT_LEFT] = SF_CHANNEL_MAP_FRONT_LEFT,
[PA_CHANNEL_POSITION_FRONT_RIGHT] = SF_CHANNEL_MAP_FRONT_RIGHT,
[PA_CHANNEL_POSITION_FRONT_CENTER] = SF_CHANNEL_MAP_FRONT_CENTER,
[PA_CHANNEL_POSITION_REAR_CENTER] = SF_CHANNEL_MAP_REAR_CENTER,
[PA_CHANNEL_POSITION_REAR_LEFT] = SF_CHANNEL_MAP_REAR_LEFT,
[PA_CHANNEL_POSITION_REAR_RIGHT] = SF_CHANNEL_MAP_REAR_RIGHT,
[PA_CHANNEL_POSITION_LFE] = SF_CHANNEL_MAP_LFE,
[PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER] = SF_CHANNEL_MAP_FRONT_LEFT_OF_CENTER,
[PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER] = SF_CHANNEL_MAP_FRONT_RIGHT_OF_CENTER,
[PA_CHANNEL_POSITION_SIDE_LEFT] = SF_CHANNEL_MAP_SIDE_LEFT,
[PA_CHANNEL_POSITION_SIDE_RIGHT] = SF_CHANNEL_MAP_SIDE_RIGHT,
[PA_CHANNEL_POSITION_AUX0] = -1,
[PA_CHANNEL_POSITION_AUX1] = -1,
[PA_CHANNEL_POSITION_AUX2] = -1,
[PA_CHANNEL_POSITION_AUX3] = -1,
[PA_CHANNEL_POSITION_AUX4] = -1,
[PA_CHANNEL_POSITION_AUX5] = -1,
[PA_CHANNEL_POSITION_AUX6] = -1,
[PA_CHANNEL_POSITION_AUX7] = -1,
[PA_CHANNEL_POSITION_AUX8] = -1,
[PA_CHANNEL_POSITION_AUX9] = -1,
[PA_CHANNEL_POSITION_AUX10] = -1,
[PA_CHANNEL_POSITION_AUX11] = -1,
[PA_CHANNEL_POSITION_AUX12] = -1,
[PA_CHANNEL_POSITION_AUX13] = -1,
[PA_CHANNEL_POSITION_AUX14] = -1,
[PA_CHANNEL_POSITION_AUX15] = -1,
[PA_CHANNEL_POSITION_AUX16] = -1,
[PA_CHANNEL_POSITION_AUX17] = -1,
[PA_CHANNEL_POSITION_AUX18] = -1,
[PA_CHANNEL_POSITION_AUX19] = -1,
[PA_CHANNEL_POSITION_AUX20] = -1,
[PA_CHANNEL_POSITION_AUX21] = -1,
[PA_CHANNEL_POSITION_AUX22] = -1,
[PA_CHANNEL_POSITION_AUX23] = -1,
[PA_CHANNEL_POSITION_AUX24] = -1,
[PA_CHANNEL_POSITION_AUX25] = -1,
[PA_CHANNEL_POSITION_AUX26] = -1,
[PA_CHANNEL_POSITION_AUX27] = -1,
[PA_CHANNEL_POSITION_AUX28] = -1,
[PA_CHANNEL_POSITION_AUX29] = -1,
[PA_CHANNEL_POSITION_AUX30] = -1,
[PA_CHANNEL_POSITION_AUX31] = -1,
[PA_CHANNEL_POSITION_TOP_CENTER] = SF_CHANNEL_MAP_TOP_CENTER,
[PA_CHANNEL_POSITION_TOP_FRONT_LEFT] = SF_CHANNEL_MAP_TOP_FRONT_LEFT,
[PA_CHANNEL_POSITION_TOP_FRONT_RIGHT] = SF_CHANNEL_MAP_TOP_FRONT_RIGHT,
[PA_CHANNEL_POSITION_TOP_FRONT_CENTER] = SF_CHANNEL_MAP_TOP_FRONT_CENTER ,
[PA_CHANNEL_POSITION_TOP_REAR_LEFT] = SF_CHANNEL_MAP_TOP_REAR_LEFT,
[PA_CHANNEL_POSITION_TOP_REAR_RIGHT] = SF_CHANNEL_MAP_TOP_REAR_RIGHT,
[PA_CHANNEL_POSITION_TOP_REAR_CENTER] = SF_CHANNEL_MAP_TOP_REAR_CENTER,
};
int *channels;
unsigned c;
pa_assert(sf);
pa_assert(cm);
/* Suppress channel mapping for the obvious cases */
if (cm->channels == 1 && cm->map[0] == PA_CHANNEL_POSITION_MONO)
return 0;
if (cm->channels == 2 &&
cm->map[0] == PA_CHANNEL_POSITION_FRONT_LEFT &&
cm->map[1] == PA_CHANNEL_POSITION_FRONT_RIGHT)
return 0;
channels = pa_xnew(int, cm->channels);
for (c = 0; c < cm->channels; c++) {
if (cm->map[c] < 0 ||
cm->map[c] >= PA_CHANNEL_POSITION_MAX ||
table[cm->map[c]] < 0) {
pa_xfree(channels);
return -1;
}
channels[c] = table[cm->map[c]];
}
if (!sf_command(sf, SFC_SET_CHANNEL_MAP_INFO, channels, sizeof(channels[0]) * cm->channels)) {
pa_xfree(channels);
return -1;
}
pa_xfree(channels);
return 0;
}
void pa_sndfile_init_proplist(SNDFILE *sf, pa_proplist *p) {
static const char* table[] = {
[SF_STR_TITLE] = PA_PROP_MEDIA_TITLE,
[SF_STR_COPYRIGHT] = PA_PROP_MEDIA_COPYRIGHT,
[SF_STR_SOFTWARE] = PA_PROP_MEDIA_SOFTWARE,
[SF_STR_ARTIST] = PA_PROP_MEDIA_ARTIST,
[SF_STR_COMMENT] = "media.comment",
[SF_STR_DATE] = "media.date"
};
SF_INFO sfi;
SF_FORMAT_INFO fi;
int sf_errno;
unsigned c;
pa_assert(sf);
pa_assert(p);
for (c = 0; c < PA_ELEMENTSOF(table); c++) {
const char *s;
char *t;
if (!table[c])
continue;
if (!(s = sf_get_string(sf, c)))
continue;
t = pa_utf8_filter(s);
pa_proplist_sets(p, table[c], t);
pa_xfree(t);
}
pa_zero(sfi);
if ((sf_errno = sf_command(sf, SFC_GET_CURRENT_SF_INFO, &sfi, sizeof(sfi)))) {
pa_log_error("sndfile: %s", sf_error_number(sf_errno));
return;
}
pa_zero(fi);
fi.format = sfi.format;
if (sf_command(sf, SFC_GET_FORMAT_INFO, &fi, sizeof(fi)) == 0 && fi.name) {
char *t;
t = pa_utf8_filter(fi.name);
pa_proplist_sets(p, "media.format", t);
pa_xfree(t);
}
}
pa_sndfile_readf_t pa_sndfile_readf_function(const pa_sample_spec *ss) {
pa_assert(ss);
switch (ss->format) {
case PA_SAMPLE_S16NE:
return (pa_sndfile_readf_t) sf_readf_short;
case PA_SAMPLE_S32NE:
case PA_SAMPLE_S24_32NE:
return (pa_sndfile_readf_t) sf_readf_int;
case PA_SAMPLE_FLOAT32NE:
return (pa_sndfile_readf_t) sf_readf_float;
case PA_SAMPLE_ULAW:
case PA_SAMPLE_ALAW:
case PA_SAMPLE_S24NE:
return NULL;
default:
pa_assert_not_reached();
}
}
pa_sndfile_writef_t pa_sndfile_writef_function(const pa_sample_spec *ss) {
pa_assert(ss);
switch (ss->format) {
case PA_SAMPLE_S16NE:
return (pa_sndfile_writef_t) sf_writef_short;
case PA_SAMPLE_S32NE:
case PA_SAMPLE_S24_32NE:
return (pa_sndfile_writef_t) sf_writef_int;
case PA_SAMPLE_FLOAT32NE:
return (pa_sndfile_writef_t) sf_writef_float;
case PA_SAMPLE_ULAW:
case PA_SAMPLE_ALAW:
case PA_SAMPLE_S24NE:
return NULL;
default:
pa_assert_not_reached();
}
}
int pa_sndfile_format_from_string(const char *name) {
int i, count = 0;
if (!name[0])
return -1;
pa_assert_se(sf_command(NULL, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof(int)) == 0);
for (i = 0; i < count; i++) {
SF_FORMAT_INFO fi;
pa_zero(fi);
fi.format = i;
pa_assert_se(sf_command(NULL, SFC_GET_FORMAT_MAJOR, &fi, sizeof(fi)) == 0);
/* First try to match via full type string */
if (strcasecmp(name, fi.name) == 0)
return fi.format;
/* Then, try to match via the full extension */
if (strcasecmp(name, fi.extension) == 0)
return fi.format;
/* Then, try to match via the start of the type string */
if (strncasecmp(name, fi.name, strlen(name)) == 0)
return fi.format;
}
return -1;
}
void pa_sndfile_dump_formats(void) {
int i, count = 0;
pa_assert_se(sf_command(NULL, SFC_GET_FORMAT_MAJOR_COUNT, &count, sizeof(int)) == 0);
for (i = 0; i < count; i++) {
SF_FORMAT_INFO fi;
pa_zero(fi);
fi.format = i;
pa_assert_se(sf_command(NULL, SFC_GET_FORMAT_MAJOR, &fi, sizeof(fi)) == 0);
printf("%s\t%s\n", fi.extension, fi.name);
}
}