Author: superdump
Date: Wed Jul 30 13:56:58 2008
New Revision: 2916
Log:
Add doxygen comments to DynamicRangeControl struct
Modified:
aac/aac.c
Modified: aac/aac.c
==============================================================================
--- aac/aac.c (original)
+++ aac/aac.c Wed Jul 30 13:56:58 2008
@@ -276,15 +276,18 @@ typedef struct {
* Dynamic Range Control - decoded from the bitstream but not processed
further.
*/
typedef struct {
- int pce_instance_tag;
- int dyn_rng_sgn[17];
- int dyn_rng_ctl[17];
- int exclude_mask[MAX_CHANNELS];
- int additional_excluded_chns[MAX_CHANNELS];
- int band_incr;
- int interpolation_scheme;
- int band_top[17];
- int prog_ref_level;
+ int pce_instance_tag; ///< Indicates with which
program the DRC info is associated.
+ int dyn_rng_sgn[17]; ///< DRC sign information;
0 - positive, 1 - negative
+ int dyn_rng_ctl[17]; ///< DRC magnitude
information
+ int exclude_mask[MAX_CHANNELS]; ///< Channels to be
excluded from DRC processing.
+ int additional_excluded_chns[MAX_CHANNELS]; /**< The exclude_mask bits
are
+ coded in groups of 7
with 1 bit preceeding each group (except the first)
+ indicating that 7 more
mask bits are coded. */
+ int band_incr; ///< Number of DRC bands
greater than 1 having DRC info.
+ int interpolation_scheme; ///< Indicates the
interpolation scheme used in the SBR QMF domain.
+ int band_top[17]; ///< Indicates the top of
the i-th DRC band in units of 4 spectral lines.
+ int prog_ref_level; /**< A reference level for
the long-term program audio level for all
+ channels combined. */
} DynamicRangeControl;
/**
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