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-rw-r--r--libSYS/include/FDK_audio.h40
1 files changed, 30 insertions, 10 deletions
diff --git a/libSYS/include/FDK_audio.h b/libSYS/include/FDK_audio.h
index c8d9c19..0660f4c 100644
--- a/libSYS/include/FDK_audio.h
+++ b/libSYS/include/FDK_audio.h
@@ -232,6 +232,14 @@ typedef enum
} AUDIO_OBJECT_TYPE;
+#define IS_USAC(aot) \
+ ((aot) == AOT_USAC \
+|| (aot) == AOT_RSVD50)
+
+#define IS_LOWDELAY(aot) \
+ ((aot) == AOT_ER_AAC_LD \
+|| (aot) == AOT_ER_AAC_ELD)
+
/** Channel Mode ( 1-7 equals MPEG channel configurations, others are arbitrary). */
typedef enum {
MODE_INVALID = -1,
@@ -263,17 +271,29 @@ typedef enum {
} CHANNEL_MODE;
-/** Speaker description tags */
+/**
+ * Speaker description tags.
+ * Do not change the enumeration values unless it keeps the following segmentation:
+ * - Bit 0-3: Horizontal postion (0: none, 1: front, 2: side, 3: back, 4: lfe)
+ * - Bit 4-7: Vertical position (0: normal, 1: top, 2: bottom)
+ */
typedef enum {
- ACT_NONE,
- ACT_FRONT,
- ACT_SIDE,
- ACT_BACK,
- ACT_LFE,
- ACT_FRONT_TOP,
- ACT_SIDE_TOP,
- ACT_BACK_TOP,
- ACT_TOP /* Ts */
+ ACT_NONE = 0x00,
+ ACT_FRONT = 0x01, /*!< Front speaker position (at normal height) */
+ ACT_SIDE = 0x02, /*!< Side speaker position (at normal height) */
+ ACT_BACK = 0x03, /*!< Back speaker position (at normal height) */
+ ACT_LFE = 0x04, /*!< Low frequency effect speaker postion (front) */
+
+ ACT_TOP = 0x10, /*!< Top speaker area (for combination with speaker positions) */
+ ACT_FRONT_TOP = 0x11, /*!< Top front speaker = (ACT_FRONT|ACT_TOP) */
+ ACT_SIDE_TOP = 0x12, /*!< Top side speaker = (ACT_SIDE |ACT_TOP) */
+ ACT_BACK_TOP = 0x13, /*!< Top back speaker = (ACT_BACK |ACT_TOP) */
+
+ ACT_BOTTOM = 0x20, /*!< Bottom speaker area (for combination with speaker positions) */
+ ACT_FRONT_BOTTOM = 0x21, /*!< Bottom front speaker = (ACT_FRONT|ACT_BOTTOM) */
+ ACT_SIDE_BOTTOM = 0x22, /*!< Bottom side speaker = (ACT_SIDE |ACT_BOTTOM) */
+ ACT_BACK_BOTTOM = 0x23 /*!< Bottom back speaker = (ACT_BACK |ACT_BOTTOM) */
+
} AUDIO_CHANNEL_TYPE;
typedef enum