diff options
Diffstat (limited to 'src/pcm_mix.h')
| -rw-r--r-- | src/pcm_mix.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/pcm_mix.h b/src/pcm_mix.h index 086d5501e..0e58d01ee 100644 --- a/src/pcm_mix.h +++ b/src/pcm_mix.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2003-2010 The Music Player Daemon Project + * 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 @@ -20,9 +20,10 @@ #ifndef PCM_MIX_H #define PCM_MIX_H -#include <stddef.h> +#include "audio_format.h" -struct audio_format; +#include <stdbool.h> +#include <stddef.h> /* * Linearly mixes two PCM buffers. Both must have the same length and @@ -33,13 +34,16 @@ struct audio_format; * @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 audio format of both buffers + * @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 */ -void +G_GNUC_WARN_UNUSED_RESULT +bool pcm_mix(void *buffer1, const void *buffer2, size_t size, - const struct audio_format *format, float portion1); + enum sample_format format, float portion1); #endif |