initial

2026-10-24 02:12:38 +00:00 · 2024-05-11 23:24:13 +02:00
commit e66c5afde0
130 changed files with 17039 additions and 0 deletions
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+package atrac
+
+import "core:c"
+import sce "../common"
+import audiodec "../Audiodec"
+
+// TODO: should be c.int
+SceAtracErrorCode :: enum i64 {
+	INVALID_POINTER               = 0x80630000,
+	INVALID_SIZE                  = 0x80630001,
+	INVALID_WORD_LENGTH           = 0x80630002,
+	INVALID_TYPE                  = 0x80630003,
+	INVALID_TOTAL_CH              = 0x80630004,
+	INVALID_ALIGNMENT             = 0x80630005,
+	ALREADY_CREATED               = 0x80630006,
+	NOT_CREATED                   = 0x80630007,
+	SHORTAGE_OF_CH                = 0x80630008,
+	UNSUPPORTED_DATA              = 0x80630009,
+	INVALID_DATA                  = 0x8063000A,
+	READ_SIZE_IS_TOO_SMALL        = 0x8063000B,
+	INVALID_HANDLE                = 0x8063000C,
+	READ_SIZE_OVER_BUFFER         = 0x8063000D,
+	MAIN_BUFFER_SIZE_IS_TOO_SMALL = 0x8063000E,
+	SUB_BUFFER_SIZE_IS_TOO_SMALL  = 0x8063000F,
+	DATA_SHORTAGE_IN_BUFFER       = 0x80630010,
+	ALL_DATA_WAS_DECODED          = 0x80630011,
+	INVALID_MAX_OUTPUT_SAMPLES    = 0x80630012,
+	ADDED_DATA_IS_TOO_BIG         = 0x80630013,
+	NEED_SUB_BUFFER               = 0x80630014,
+	INVALID_SAMPLE                = 0x80630015,
+	NO_NEED_SUB_BUFFER            = 0x80630016,
+	INVALID_LOOP_STATUS           = 0x80630017,
+	REMAIN_VALID_HANDLE           = 0x80630018,
+	INVALID_LOOP_NUM              = 0x80630030
+}
+
+/* Memory alignment size */
+SCE_ATRAC_ALIGNMENT_SIZE :: (audiodec.SCE_AUDIODEC_ALIGNMENT_SIZE)
+
+/* The macro of rounding up the memory size */
+//SCE_ATRAC_ROUND_UP(size) ((size + SCE_ATRAC_ALIGNMENT_SIZE - 1) & ~(SCE_ATRAC_ALIGNMENT_SIZE - 1))
+
+/* The definition of ATRAC(TM) type */
+SCE_ATRAC_TYPE_AT9  : c.uint :         (0x2003)
+
+/* Maximum number of total total channels */
+SCE_ATRAC_AT9_MAX_TOTAL_CH :: (audiodec.SCE_AUDIODEC_AT9_MAX_CH_IN_LIBRARY)
+
+/* The definition of wordLength */
+SCE_ATRAC_WORD_LENGTH_16BITS :: (audiodec.SCE_AUDIODEC_WORD_LENGTH_16BITS)
+
+/* Maximum number of channels per stream */
+SCE_ATRAC_AT9_MAX_CH_IN_DECODER :: (audiodec.SCE_AUDIODEC_AT9_MAX_CH_IN_DECODER)
+
+/* Maximum number of samples */
+SCE_ATRAC_AT9_MAX_FRAME_SAMPLES :: (audiodec.SCE_AUDIODEC_AT9_MAX_SAMPLES)
+
+/* Maximum number of output samples */
+SCE_ATRAC_MAX_OUTPUT_SAMPLES :: (2048)
+
+/* Maximum number of output frames */
+SCE_ATRAC_AT9_MAX_OUTPUT_FRAMES ::  (8)
+
+/* Minimum number of loop samples */
+SCE_ATRAC_AT9_MIN_LOOP_SAMPLES :: (3072)
+
+/* The definition of ATRAC infinite loop */
+SCE_ATRAC_INFINITE_LOOP_NUM  : c.int :  (-1)
+
+/* The definition of ATRAC infinite samples */
+SCE_ATRAC_INFINITE_SAMPLES  : c.int : (-1)
+
+/* The definition of ATRAC decoder status */
+SceAtracDecoderStatus :: enum c.int {
+	ALL_DATA_WAS_DECODED       = 0x00000001,
+	ALL_DATA_IS_ON_MEMORY      = 0x00000002,
+	NONLOOP_PART_IS_ON_MEMORY  = 0x00000004,
+	LOOP_PART_IS_ON_MEMORY     = 0x00000008
+}
+
+/* The definition of loop status */
+SceAtracLoopStatus :: enum c.int {
+	NON_RESETABLE_PART          = 0x00000000,
+	RESETABLE_PART              = 0x00000001
+}
+
+/* The structure for decoder group */
+SceAtracDecoderGroup :: struct {
+  size: sce.UInt32,
+	wordLength: sce.UInt32,
+	totalCh: sce.UInt32,
+}
+#assert(size_of(SceAtracDecoderGroup) == 0xC)
+
+/* Content information structure */
+SceAtracContentInfo :: struct {
+  size: sce.UInt32,
+	atracType: sce.UInt32,
+	channel: sce.UInt32,
+	samplingRate: sce.UInt32,
+	endSample: sce.Int32,
+	loopStartSample: sce.Int32,
+	loopEndSample: sce.Int32,
+	bitRate: sce.UInt32,
+	fixedEncBlockSize: sce.UInt32,
+	fixedEncBlockSample: sce.UInt32,
+	frameSample: sce.UInt32,
+	loopBlockOffset: sce.UInt32,
+	loopBlockSize: sce.UInt32,
+}
+#assert(size_of(SceAtracContentInfo) == 0x34)
+
+/* Stream information structure */
+SceAtracStreamInfo :: struct {
+  size: sce.UInt32,
+	pWritePosition: ^sce.UChar8, // TODO: multipointer???
+	readPosition: sce.UInt32,
+	writableSize: sce.UInt32,
+}
+when size_of(rawptr) == 4 {
+  #assert(size_of(SceAtracStreamInfo) == 0x10)
+}
+