/** Maximum number of substreams that can be decoded.
* MLP's limit is 2. TrueHD supports at least up to 3.
*/
-#define MAX_SUBSTREAMS 3
+#define MAX_SUBSTREAMS 4
/** which multiple of 48000 the maximum sample rate is */
#define MAX_RATEFACTOR 4
#define IIR 1
/** filter data */
-typedef struct {
+typedef struct FilterParams {
uint8_t order; ///< number of taps in filter
uint8_t shift; ///< Right shift to apply to output of filter.
} FilterParams;
/** sample data coding information */
-typedef struct {
+typedef struct ChannelParams {
FilterParams filter_params[NUM_FILTERS];
int32_t coeff[NUM_FILTERS][MAX_FIR_ORDER];
return value;
}
+typedef enum THDChannelModifier {
+ THD_CH_MODIFIER_NOTINDICATED = 0x0,
+ THD_CH_MODIFIER_STEREO = 0x0, // Stereo (not Dolby Surround)
+ THD_CH_MODIFIER_LTRT = 0x1, // Dolby Surround
+ THD_CH_MODIFIER_LBINRBIN = 0x2, // Dolby Headphone
+ THD_CH_MODIFIER_MONO = 0x3, // Mono or Dual Mono
+ THD_CH_MODIFIER_NOTSURROUNDEX = 0x1, // Not Dolby Digital EX
+ THD_CH_MODIFIER_SURROUNDEX = 0x2, // Dolby Digital EX
+} THDChannelModifier;
+
#endif /* AVCODEC_MLP_H */