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-rw-r--r--src/pcm_convert.h100
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diff --git a/src/pcm_convert.h b/src/pcm_convert.h
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-/*
- * 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.
- */
-
-#ifndef PCM_CONVERT_H
-#define PCM_CONVERT_H
-
-#include "pcm_dsd.h"
-#include "pcm_resample.h"
-#include "pcm_dither.h"
-#include "pcm_buffer.h"
-
-#include <glib.h>
-
-struct audio_format;
-
-/**
- * This object is statically allocated (within another struct), and
- * holds buffer allocations and the state for all kinds of PCM
- * conversions.
- */
-struct pcm_convert_state {
- struct pcm_dsd dsd;
-
- struct pcm_resample_state resample;
-
- struct pcm_dither dither;
-
- /** the buffer for converting the sample format */
- struct pcm_buffer format_buffer;
-
- /** the buffer for converting the channel count */
- struct pcm_buffer channels_buffer;
-};
-
-static inline GQuark
-pcm_convert_quark(void)
-{
- return g_quark_from_static_string("pcm_convert");
-}
-
-G_BEGIN_DECLS
-
-/**
- * Initializes a pcm_convert_state object.
- */
-void pcm_convert_init(struct pcm_convert_state *state);
-
-/**
- * Deinitializes a pcm_convert_state object and frees allocated
- * memory.
- */
-void pcm_convert_deinit(struct pcm_convert_state *state);
-
-/**
- * Reset the pcm_convert_state object. Use this at the boundary
- * between two distinct songs and each time the format changes.
- */
-void
-pcm_convert_reset(struct pcm_convert_state *state);
-
-/**
- * Converts PCM data between two audio formats.
- *
- * @param state an initialized pcm_convert_state object
- * @param src_format the source audio format
- * @param src the source PCM buffer
- * @param src_size the size of #src in bytes
- * @param dest_format the requested destination audio format
- * @param dest_size_r returns the number of bytes of the destination buffer
- * @param error_r location to store the error occurring, or NULL to
- * ignore errors
- * @return the destination buffer, or NULL on error
- */
-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);
-
-G_END_DECLS
-
-#endif