From 18e975fc5ef68a89875c77974570884b9214a009 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 20 Jul 2009 17:34:17 +0200 Subject: merged --- src/pulsecore/sndfile-util.c | 462 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 462 insertions(+) create mode 100644 src/pulsecore/sndfile-util.c (limited to 'src/pulsecore/sndfile-util.c') diff --git a/src/pulsecore/sndfile-util.c b/src/pulsecore/sndfile-util.c new file mode 100644 index 00000000..4f7f8bdb --- /dev/null +++ b/src/pulsecore/sndfile-util.c @@ -0,0 +1,462 @@ +/*** + 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, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include +#endif + +/* Shared between pacat/parec/paplay and the server */ + +#include +#include + +#include +#include + +#include "sndfile-util.h" + +int pa_sndfile_read_sample_spec(SNDFILE *sf, pa_sample_spec *ss) { + SF_INFO sfi; + + pa_assert(sf); + pa_assert(ss); + + pa_zero(sfi); + pa_assert_se(sf_command(sf, SFC_GET_CURRENT_SF_INFO, &sfi, sizeof(sfi)) == 0); + + 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: + 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: + case PA_SAMPLE_S24_32LE: + case PA_SAMPLE_S24_32BE: + ss->format = PA_SAMPLE_S32NE; + sfi->format |= SF_FORMAT_PCM_24; + 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 distuingishes left und 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 *channels; + unsigned c; + + pa_assert(sf); + pa_assert(cm); + + pa_zero(sfi); + pa_assert_se(sf_command(sf, SFC_GET_CURRENT_SF_INFO, &sfi, sizeof(sfi)) == 0); + + 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; + 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); + pa_assert_se(sf_command(sf, SFC_GET_CURRENT_SF_INFO, &sfi, sizeof(sfi)) == 0); + + 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: + 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: + 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: + 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: + 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); + + /* First try to match via full type string */ + 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); + + if (strcasecmp(name, fi.name) == 0) + return i; + } + + /* Then, try to match via the full extension */ + 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); + + if (strcasecmp(name, fi.extension) == 0) + return i; + } + + /* Then, try to match via the start of the type string */ + 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); + + if (strncasecmp(name, fi.extension, strlen(name)) == 0) + return i; + } + + 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); + } +} -- cgit