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-rw-r--r--src/pcm_convert.c379
1 files changed, 0 insertions, 379 deletions
diff --git a/src/pcm_convert.c b/src/pcm_convert.c
deleted file mode 100644
index 63f9a1b9..00000000
--- a/src/pcm_convert.c
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "pcm_convert.h"
-#include "pcm_channels.h"
-#include "pcm_format.h"
-#include "pcm_pack.h"
-#include "audio_format.h"
-#include "glib_compat.h"
-
-#include <assert.h>
-#include <string.h>
-#include <math.h>
-#include <glib.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "pcm"
-
-void pcm_convert_init(struct pcm_convert_state *state)
-{
- memset(state, 0, sizeof(*state));
-
- pcm_dsd_init(&state->dsd);
- pcm_resample_init(&state->resample);
- pcm_dither_24_init(&state->dither);
-
- pcm_buffer_init(&state->format_buffer);
- pcm_buffer_init(&state->channels_buffer);
-}
-
-void pcm_convert_deinit(struct pcm_convert_state *state)
-{
- pcm_dsd_deinit(&state->dsd);
- pcm_resample_deinit(&state->resample);
-
- pcm_buffer_deinit(&state->format_buffer);
- pcm_buffer_deinit(&state->channels_buffer);
-}
-
-void
-pcm_convert_reset(struct pcm_convert_state *state)
-{
- pcm_dsd_reset(&state->dsd);
- pcm_resample_reset(&state->resample);
-}
-
-static const void *
-pcm_convert_channels(struct pcm_buffer *buffer, enum sample_format format,
- uint8_t dest_channels,
- uint8_t src_channels, const void *src,
- size_t src_size, size_t *dest_size_r,
- GError **error_r)
-{
- const void *dest = NULL;
-
- switch (format) {
- case SAMPLE_FORMAT_UNDEFINED:
- case SAMPLE_FORMAT_S8:
- case SAMPLE_FORMAT_FLOAT:
- case SAMPLE_FORMAT_DSD:
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Channel conversion not implemented for format '%s'",
- sample_format_to_string(format));
- return NULL;
-
- case SAMPLE_FORMAT_S16:
- dest = pcm_convert_channels_16(buffer, dest_channels,
- src_channels, src,
- src_size, dest_size_r);
- break;
-
- case SAMPLE_FORMAT_S24_P32:
- dest = pcm_convert_channels_24(buffer, dest_channels,
- src_channels, src,
- src_size, dest_size_r);
- break;
-
- case SAMPLE_FORMAT_S32:
- dest = pcm_convert_channels_32(buffer, dest_channels,
- src_channels, src,
- src_size, dest_size_r);
- break;
- }
-
- if (dest == NULL) {
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Conversion from %u to %u channels "
- "is not implemented",
- src_channels, dest_channels);
- return NULL;
- }
-
- return dest;
-}
-
-static const int16_t *
-pcm_convert_16(struct pcm_convert_state *state,
- const struct audio_format *src_format,
- const void *src_buffer, size_t src_size,
- const struct audio_format *dest_format, size_t *dest_size_r,
- GError **error_r)
-{
- const int16_t *buf;
- size_t len;
-
- assert(dest_format->format == SAMPLE_FORMAT_S16);
-
- buf = pcm_convert_to_16(&state->format_buffer, &state->dither,
- src_format->format, src_buffer, src_size,
- &len);
- if (buf == NULL) {
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Conversion from %s to 16 bit is not implemented",
- sample_format_to_string(src_format->format));
- return NULL;
- }
-
- if (src_format->channels != dest_format->channels) {
- buf = pcm_convert_channels_16(&state->channels_buffer,
- dest_format->channels,
- src_format->channels,
- buf, len, &len);
- if (buf == NULL) {
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Conversion from %u to %u channels "
- "is not implemented",
- src_format->channels,
- dest_format->channels);
- return NULL;
- }
- }
-
- if (src_format->sample_rate != dest_format->sample_rate) {
- buf = pcm_resample_16(&state->resample,
- dest_format->channels,
- src_format->sample_rate, buf, len,
- dest_format->sample_rate, &len,
- error_r);
- if (buf == NULL)
- return NULL;
- }
-
- *dest_size_r = len;
- return buf;
-}
-
-static const int32_t *
-pcm_convert_24(struct pcm_convert_state *state,
- const struct audio_format *src_format,
- const void *src_buffer, size_t src_size,
- const struct audio_format *dest_format, size_t *dest_size_r,
- GError **error_r)
-{
- const int32_t *buf;
- size_t len;
-
- assert(dest_format->format == SAMPLE_FORMAT_S24_P32);
-
- buf = pcm_convert_to_24(&state->format_buffer, src_format->format,
- src_buffer, src_size, &len);
- if (buf == NULL) {
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Conversion from %s to 24 bit is not implemented",
- sample_format_to_string(src_format->format));
- return NULL;
- }
-
- if (src_format->channels != dest_format->channels) {
- buf = pcm_convert_channels_24(&state->channels_buffer,
- dest_format->channels,
- src_format->channels,
- buf, len, &len);
- if (buf == NULL) {
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Conversion from %u to %u channels "
- "is not implemented",
- src_format->channels,
- dest_format->channels);
- return NULL;
- }
- }
-
- if (src_format->sample_rate != dest_format->sample_rate) {
- buf = pcm_resample_24(&state->resample,
- dest_format->channels,
- src_format->sample_rate, buf, len,
- dest_format->sample_rate, &len,
- error_r);
- if (buf == NULL)
- return NULL;
- }
-
- *dest_size_r = len;
- return buf;
-}
-
-static const int32_t *
-pcm_convert_32(struct pcm_convert_state *state,
- const struct audio_format *src_format,
- const void *src_buffer, size_t src_size,
- const struct audio_format *dest_format, size_t *dest_size_r,
- GError **error_r)
-{
- const int32_t *buf;
- size_t len;
-
- assert(dest_format->format == SAMPLE_FORMAT_S32);
-
- buf = pcm_convert_to_32(&state->format_buffer, src_format->format,
- src_buffer, src_size, &len);
- if (buf == NULL) {
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Conversion from %s to 32 bit is not implemented",
- sample_format_to_string(src_format->format));
- return NULL;
- }
-
- if (src_format->channels != dest_format->channels) {
- buf = pcm_convert_channels_32(&state->channels_buffer,
- dest_format->channels,
- src_format->channels,
- buf, len, &len);
- if (buf == NULL) {
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Conversion from %u to %u channels "
- "is not implemented",
- src_format->channels,
- dest_format->channels);
- return NULL;
- }
- }
-
- if (src_format->sample_rate != dest_format->sample_rate) {
- buf = pcm_resample_32(&state->resample,
- dest_format->channels,
- src_format->sample_rate, buf, len,
- dest_format->sample_rate, &len,
- error_r);
- if (buf == NULL)
- return buf;
- }
-
- *dest_size_r = len;
- return buf;
-}
-
-static const float *
-pcm_convert_float(struct pcm_convert_state *state,
- const struct audio_format *src_format,
- const void *src_buffer, size_t src_size,
- const struct audio_format *dest_format, size_t *dest_size_r,
- GError **error_r)
-{
- const float *buffer = src_buffer;
- size_t size = src_size;
-
- assert(dest_format->format == SAMPLE_FORMAT_FLOAT);
-
- /* convert channels first, hoping the source format is
- supported (float is not) */
-
- if (dest_format->channels != src_format->channels) {
- buffer = pcm_convert_channels(&state->channels_buffer,
- src_format->format,
- dest_format->channels,
- src_format->channels,
- buffer, size, &size, error_r);
- if (buffer == NULL)
- return NULL;
- }
-
- /* convert to float now */
-
- buffer = pcm_convert_to_float(&state->format_buffer,
- src_format->format,
- buffer, size, &size);
- if (buffer == NULL) {
- g_set_error(error_r, pcm_convert_quark(), 0,
- "Conversion from %s to float is not implemented",
- sample_format_to_string(src_format->format));
- return NULL;
- }
-
- /* resample with float, because this is the best format for
- libsamplerate */
-
- if (src_format->sample_rate != dest_format->sample_rate) {
- buffer = pcm_resample_float(&state->resample,
- dest_format->channels,
- src_format->sample_rate,
- buffer, size,
- dest_format->sample_rate, &size,
- error_r);
- if (buffer == NULL)
- return NULL;
- }
-
- *dest_size_r = size;
- return buffer;
-}
-
-const void *
-pcm_convert(struct pcm_convert_state *state,
- const struct audio_format *src_format,
- const void *src, size_t src_size,
- const struct audio_format *dest_format,
- size_t *dest_size_r,
- GError **error_r)
-{
- struct audio_format float_format;
- if (src_format->format == SAMPLE_FORMAT_DSD) {
- size_t f_size;
- const float *f = pcm_dsd_to_float(&state->dsd,
- src_format->channels,
- false, src, src_size,
- &f_size);
- if (f == NULL) {
- g_set_error_literal(error_r, pcm_convert_quark(), 0,
- "DSD to PCM conversion failed");
- return NULL;
- }
-
- float_format = *src_format;
- float_format.format = SAMPLE_FORMAT_FLOAT;
-
- src_format = &float_format;
- src = f;
- src_size = f_size;
- }
-
- switch (dest_format->format) {
- case SAMPLE_FORMAT_S16:
- return pcm_convert_16(state,
- src_format, src, src_size,
- dest_format, dest_size_r,
- error_r);
-
- case SAMPLE_FORMAT_S24_P32:
- return pcm_convert_24(state,
- src_format, src, src_size,
- dest_format, dest_size_r,
- error_r);
-
- case SAMPLE_FORMAT_S32:
- return pcm_convert_32(state,
- src_format, src, src_size,
- dest_format, dest_size_r,
- error_r);
-
- case SAMPLE_FORMAT_FLOAT:
- return pcm_convert_float(state,
- src_format, src, src_size,
- dest_format, dest_size_r,
- error_r);
-
- default:
- g_set_error(error_r, pcm_convert_quark(), 0,
- "PCM conversion to %s is not implemented",
- sample_format_to_string(dest_format->format));
- return NULL;
- }
-}
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