From 08ce24ec3fb094f653b3f3421388edec02f1dced Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sun, 18 Mar 2012 18:33:26 +0100 Subject: audio_format: basic support for DSD-over-USB --- src/audio_format.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src/audio_format.h') diff --git a/src/audio_format.h b/src/audio_format.h index 2c86b70b..5bb2ed9f 100644 --- a/src/audio_format.h +++ b/src/audio_format.h @@ -61,6 +61,13 @@ enum sample_format { * comes first. */ SAMPLE_FORMAT_DSD_LSBFIRST, + + /** + * DSD packed in 24 bit samples (no padding), according to the + * dCS suggested standard: + * http://www.dcsltd.co.uk/page/assets/DSDoverUSB.pdf + */ + SAMPLE_FORMAT_DSD_OVER_USB, }; static const unsigned MAX_CHANNELS = 8; @@ -189,6 +196,7 @@ audio_valid_sample_format(enum sample_format format) case SAMPLE_FORMAT_FLOAT: case SAMPLE_FORMAT_DSD: case SAMPLE_FORMAT_DSD_LSBFIRST: + case SAMPLE_FORMAT_DSD_OVER_USB: return true; case SAMPLE_FORMAT_UNDEFINED: @@ -258,6 +266,7 @@ sample_format_size(enum sample_format format) return 2; case SAMPLE_FORMAT_S24: + case SAMPLE_FORMAT_DSD_OVER_USB: return 3; case SAMPLE_FORMAT_S24_P32: -- cgit v1.2.3