#define AVCODEC_AC3_H
#define AC3_MAX_CODED_FRAME_SIZE 3840 /* in bytes */
-#define AC3_MAX_CHANNELS 6 /* including LFE channel */
+#define AC3_MAX_CHANNELS 7 /**< maximum number of channels, including coupling channel */
+#define CPL_CH 0 /**< coupling channel index */
#define AC3_MAX_COEFS 256
#define AC3_BLOCK_SIZE 256
/* other encoding options */
int allow_per_frame_metadata;
+ int stereo_rematrixing;
+ int channel_coupling;
+ int cpl_start;
} AC3EncOptions;