1 files changed, 81 insertions, 0 deletions
diff --git a/third_party/pipewire/spa/param/audio/dsd.h b/third_party/pipewire/spa/param/audio/dsd.h
new file mode 100644
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+++ b/third_party/pipewire/spa/param/audio/dsd.h
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+/* Simple Plugin API
+ *
+ * Copyright © 2021 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SPA_AUDIO_DSD_H
+#define SPA_AUDIO_DSD_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <spa/param/param.h>
+#include <spa/param/audio/raw.h>
+
+/**
+ * \addtogroup spa_param
+ * \{
+ */
+
+/** Extra DSD audio flags */
+#define SPA_AUDIO_DSD_FLAG_NONE		(0)		/*< no valid flag */
+
+/* DSD bits are transferred in a buffer grouped in bytes with the bitorder
+ * defined by \a bitorder.
+ *
+ * Channels are placed in separate planes (interleave = 0) or interleaved
+ * using the interleave value. A negative interleave value means that the
+ * bytes need to be reversed in the group.
+ *
+ *  Planar (interleave = 0):
+ *    plane1: l1 l2 l3 l4 l5 ...
+ *    plane2: r1 r2 r3 r4 r5 ...
+ *
+ *  Interleaved 4:
+ *    plane1: l1 l2 l3 l4 r1 r2 r3 r4 l5 l6 l7 l8 r5 r6 r7 r8 l9 ...
+ *
+ *  Interleaved 2:
+ *    plane1: l1 l2 r1 r2 l3 l4 r3 r4  ...
+ */
+struct spa_audio_info_dsd {
+	enum spa_param_bitorder bitorder;		/*< the order of the bits */
+	uint32_t flags;					/*< extra flags */
+	int32_t interleave;				/*< interleave bytes */
+	uint32_t rate;					/*< sample rate (in bytes per second) */
+	uint32_t channels;				/*< channels */
+	uint32_t position[SPA_AUDIO_MAX_CHANNELS];	/*< channel position from enum spa_audio_channel */
+};
+
+#define SPA_AUDIO_INFO_DSD_INIT(...)		(struct spa_audio_info_dsd) { __VA_ARGS__ }
+
+/**
+ * \}
+ */
+
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
+#endif /* SPA_AUDIO_DSD_H */