From 545685bc3209d9cfdf6c4b9aeee4715edd453dc1 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sat, 8 Oct 2011 10:25:06 +0200 Subject: audio_format: basic support for floating point samples Support for conversion from float to 16, 24 and 32 bit integer samples. --- src/audio_format.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/audio_format.h') diff --git a/src/audio_format.h b/src/audio_format.h index 71bd369e..4f7dbfb1 100644 --- a/src/audio_format.h +++ b/src/audio_format.h @@ -43,6 +43,12 @@ enum sample_format { SAMPLE_FORMAT_S24_P32, SAMPLE_FORMAT_S32, + + /** + * 32 bit floating point samples in the host's format. The + * range is -1.0f to +1.0f. + */ + SAMPLE_FORMAT_FLOAT, }; static const unsigned MAX_CHANNELS = 8; @@ -168,6 +174,7 @@ audio_valid_sample_format(enum sample_format format) case SAMPLE_FORMAT_S24: case SAMPLE_FORMAT_S24_P32: case SAMPLE_FORMAT_S32: + case SAMPLE_FORMAT_FLOAT: return true; case SAMPLE_FORMAT_UNDEFINED: @@ -241,6 +248,7 @@ sample_format_size(enum sample_format format) case SAMPLE_FORMAT_S24_P32: case SAMPLE_FORMAT_S32: + case SAMPLE_FORMAT_FLOAT: return 4; case SAMPLE_FORMAT_UNDEFINED: -- cgit v1.2.3