pcm/PcmResampler: convert to abstract interface

The PcmResampler interface is implemented by the two classes
FallbackPcmResampler and LibsampleratePcmResampler.  This prepares for
adding more resampler libraries.

1 files changed, 0 insertions, 173 deletions

diff --git a/src/pcm/PcmResample.cxx b/src/pcm/PcmResample.cxx
deleted file mode 100644
index b30e01407..000000000
--- a/src/pcm/PcmResample.cxx
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright (C) 2003-2013 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 "PcmResampleInternal.hxx"
-
-#ifdef HAVE_LIBSAMPLERATE
-#include "ConfigGlobal.hxx"
-#include "ConfigOption.hxx"
-#endif
-
-#include <string.h>
-
-#ifdef HAVE_LIBSAMPLERATE
-static bool lsr_enabled;
-#endif
-
-#ifdef HAVE_LIBSAMPLERATE
-static bool
-pcm_resample_lsr_enabled(void)
-{
-	return lsr_enabled;
-}
-#endif
-
-bool
-pcm_resample_global_init(Error &error)
-{
-#ifdef HAVE_LIBSAMPLERATE
-	const char *converter =
-		config_get_string(CONF_SAMPLERATE_CONVERTER, "");
-
-	lsr_enabled = strcmp(converter, "internal") != 0;
-	if (lsr_enabled)
-		return pcm_resample_lsr_global_init(converter, error);
-	else
-		return true;
-#else
-	(void)error;
-	return true;
-#endif
-}
-
-PcmResampler::PcmResampler()
-{
-#ifdef HAVE_LIBSAMPLERATE
-	if (pcm_resample_lsr_enabled())
-		pcm_resample_lsr_init(this);
-#endif
-}
-
-PcmResampler::~PcmResampler()
-{
-#ifdef HAVE_LIBSAMPLERATE
-	if (pcm_resample_lsr_enabled())
-		pcm_resample_lsr_deinit(this);
-#endif
-}
-
-void
-PcmResampler::Reset()
-{
-#ifdef HAVE_LIBSAMPLERATE
-	pcm_resample_lsr_reset(this);
-#endif
-}
-
-const float *
-PcmResampler::ResampleFloat(unsigned channels, unsigned src_rate,
-			    const float *src_buffer, size_t src_size,
-			    unsigned dest_rate, size_t *dest_size_r,
-			    Error &error_r)
-{
-#ifdef HAVE_LIBSAMPLERATE
-	if (pcm_resample_lsr_enabled())
-		return pcm_resample_lsr_float(this, channels,
-					      src_rate, src_buffer, src_size,
-					      dest_rate, dest_size_r,
-					      error_r);
-#else
-	(void)error_r;
-#endif
-
-	/* sizeof(float)==sizeof(int32_t); the fallback resampler does
-	   not do any math on the sample values, so this hack is
-	   possible: */
-	return (const float *)
-		pcm_resample_fallback_32(buffer, channels,
-					 src_rate, (const int32_t *)src_buffer,
-					 src_size,
-					 dest_rate, dest_size_r);
-}
-
-const int16_t *
-PcmResampler::Resample16(unsigned channels,
-			 unsigned src_rate, const int16_t *src_buffer, size_t src_size,
-			 unsigned dest_rate, size_t *dest_size_r,
-			 Error &error_r)
-{
-#ifdef HAVE_LIBSAMPLERATE
-	if (pcm_resample_lsr_enabled())
-		return pcm_resample_lsr_16(this, channels,
-					   src_rate, src_buffer, src_size,
-					   dest_rate, dest_size_r,
-					   error_r);
-#else
-	(void)error_r;
-#endif
-
-	return pcm_resample_fallback_16(buffer, channels,
-					src_rate, src_buffer, src_size,
-					dest_rate, dest_size_r);
-}
-
-const int32_t *
-PcmResampler::Resample32(unsigned channels, unsigned src_rate,
-			 const int32_t *src_buffer, size_t src_size,
-			 unsigned dest_rate, size_t *dest_size_r,
-			 Error &error_r)
-{
-#ifdef HAVE_LIBSAMPLERATE
-	if (pcm_resample_lsr_enabled())
-		return pcm_resample_lsr_32(this, channels,
-					   src_rate, src_buffer, src_size,
-					   dest_rate, dest_size_r,
-					   error_r);
-#else
-	(void)error_r;
-#endif
-
-	return pcm_resample_fallback_32(buffer, channels,
-					src_rate, src_buffer, src_size,
-					dest_rate, dest_size_r);
-}
-
-const int32_t *
-PcmResampler::Resample24(unsigned channels, unsigned src_rate,
-			 const int32_t *src_buffer, size_t src_size,
-			 unsigned dest_rate, size_t *dest_size_r,
-			 Error &error_r)
-{
-#ifdef HAVE_LIBSAMPLERATE
-	if (pcm_resample_lsr_enabled())
-		return pcm_resample_lsr_24(this, channels,
-					   src_rate, src_buffer, src_size,
-					   dest_rate, dest_size_r,
-					   error_r);
-#else
-	(void)error_r;
-#endif
-
-	/* reuse the 32 bit code - the resampler code doesn't care if
-	   the upper 8 bits are actually used */
-	return pcm_resample_fallback_32(buffer, channels,
-					src_rate, src_buffer, src_size,
-					dest_rate, dest_size_r);
-}