pcm_convert: convert to C++

1 files changed, 0 insertions, 333 deletions

diff --git a/src/pcm_convert.c b/src/pcm_convert.c
deleted file mode 100644
index 1d8ae9575..000000000
--- a/src/pcm_convert.c
+++ /dev/null
@@ -1,333 +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 <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 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 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;
-	}
-
-	/* convert channels */
-
-	if (src_format->channels != dest_format->channels) {
-		buffer = pcm_convert_channels_float(&state->channels_buffer,
-						    dest_format->channels,
-						    src_format->channels,
-						    buffer, size, &size);
-		if (buffer == 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;
-		}
-	}
-
-	/* 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;
-	}
-}