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-rw-r--r--src/pcm_mix.h49
1 files changed, 0 insertions, 49 deletions
diff --git a/src/pcm_mix.h b/src/pcm_mix.h
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--- a/src/pcm_mix.h
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-/*
- * 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.
- */
-
-#ifndef PCM_MIX_H
-#define PCM_MIX_H
-
-#include "audio_format.h"
-
-#include <stdbool.h>
-#include <stddef.h>
-
-/*
- * Linearly mixes two PCM buffers. Both must have the same length and
- * the same audio format. The formula is:
- *
- * s1 := s1 * portion1 + s2 * (1 - portion1)
- *
- * @param buffer1 the first PCM buffer, and the destination buffer
- * @param buffer2 the second PCM buffer
- * @param size the size of both buffers in bytes
- * @param format the sample format of both buffers
- * @param portion1 a number between 0.0 and 1.0 specifying the portion
- * of the first buffer in the mix; portion2 = (1.0 - portion1). The value
- * NaN is used by the MixRamp code to specify that simple addition is required.
- *
- * @return true on success, false if the format is not supported
- */
-G_GNUC_WARN_UNUSED_RESULT
-bool
-pcm_mix(void *buffer1, const void *buffer2, size_t size,
- enum sample_format format, float portion1);
-
-#endif