audio: first-pass, pipewire

1 files changed, 36 insertions, 0 deletions

diff --git a/src/audio-types.hpp b/src/audio-types.hpp
new file mode 100644
index 0000000..84ab155
--- /dev/null
+++ b/src/audio-types.hpp
@@ -0,0 +1,36 @@
+#ifndef PKE_AUDIO_TYPES_INTERNAL_HPP
+#define PKE_AUDIO_TYPES_INTERNAL_HPP
+
+#include "asset-manager.hpp"
+#include "pk.h"
+
+#define PKE_AUDIO_MAX_CONCURRENT_COUNT 8
+
+TypeSafeInt_constexpr(pke_audio_flags, uint8_t, 0xFF);
+TypeSafeInt_constexpr(pke_audio_source, uint8_t, 0x0F);
+
+const pke_audio_flags  pke_audio_flag_none      = pke_audio_flags{0x00};
+
+const pke_audio_source pke_audio_source_music   = pke_audio_source{0x00};
+const pke_audio_source pke_audio_source_ambient = pke_audio_source{0x01};
+const pke_audio_source pke_audio_source_voices  = pke_audio_source{0x02};
+const pke_audio_source pke_audio_source_sfx     = pke_audio_source{0x03};
+
+struct pke_audio_obj {
+	AssetHandle      handle; // key
+	pke_audio_source source; // key
+	pke_audio_flags  flags[PKE_AUDIO_MAX_CONCURRENT_COUNT];
+	uint32_t         play_heads[PKE_AUDIO_MAX_CONCURRENT_COUNT];
+	uint8_t          play_count;
+};
+
+struct pke_audio_master {
+	pk_arr_t<pke_audio_obj> playing_objects;
+	float                   source_volumes[pke_audio_source_T_MAX];
+	uint32_t                channel_count; // mono, stereo, 7.1
+	std::mutex              mtx_buffer;
+};
+
+extern struct pke_audio_master pke_audio_mstr;
+
+#endif /* PKE_AUDIO_TYPES_INTERNAL_HPP */