diff options
Diffstat (limited to 'libhb/common.h')
| -rw-r--r-- | libhb/common.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libhb/common.h b/libhb/common.h index fd77999fc..151b25b0e 100644 --- a/libhb/common.h +++ b/libhb/common.h @@ -295,6 +295,36 @@ struct hb_audio_s /* dcaflags is only set when the source audio format is HB_ACODEC_DCA */ int dcaflags; +/* define some masks, used to extract the various information from the HB_AMIXDOWN_XXXX values */ +#define HB_INPUT_CH_LAYOUT_DISCRETE_FRONT_MASK 0xF0000 +#define HB_INPUT_CH_LAYOUT_DISCRETE_REAR_MASK 0x0F000 +#define HB_INPUT_CH_LAYOUT_DISCRETE_LFE_MASK 0x00F00 +#define HB_INPUT_CH_LAYOUT_ENCODED_FRONT_MASK 0x000F0 +#define HB_INPUT_CH_LAYOUT_ENCODED_REAR_MASK 0x0000F + +/* define the input channel layouts used to describe the channel layout of this audio */ +#define HB_INPUT_CH_LAYOUT_MONO 0x0110010 +#define HB_INPUT_CH_LAYOUT_STEREO 0x0220020 +#define HB_INPUT_CH_LAYOUT_DOLBY 0x0320031 +#define HB_INPUT_CH_LAYOUT_3F 0x0430030 +#define HB_INPUT_CH_LAYOUT_2F1R 0x0521021 +#define HB_INPUT_CH_LAYOUT_3F1R 0x0631031 +#define HB_INPUT_CH_LAYOUT_2F2R 0x0722022 +#define HB_INPUT_CH_LAYOUT_3F2R 0x0832032 +#define HB_INPUT_CH_LAYOUT_3F2RLFE 0x0A32132 +#define HB_INPUT_CH_LAYOUT_4F2R 0x0942042 + +/* define some macros to extract the various information from the HB_AMIXDOWN_XXXX values */ +#define HB_INPUT_CH_LAYOUT_GET_DISCRETE_FRONT_COUNT( a ) ( ( a & HB_INPUT_CH_LAYOUT_DISCRETE_FRONT_MASK ) >> 16 ) +#define HB_INPUT_CH_LAYOUT_GET_DISCRETE_REAR_COUNT( a ) ( ( a & HB_INPUT_CH_LAYOUT_DISCRETE_REAR_MASK ) >> 12 ) +#define HB_INPUT_CH_LAYOUT_GET_DISCRETE_LFE_COUNT( a ) ( ( a & HB_INPUT_CH_LAYOUT_DISCRETE_LFE_MASK ) >> 8 ) +#define HB_INPUT_CH_LAYOUT_GET_ENCODED_FRONT_COUNT( a ) ( ( a & HB_INPUT_CH_LAYOUT_ENCODED_FRONT_MASK ) >> 4 ) +#define HB_INPUT_CH_LAYOUT_GET_ENCODED_REAR_COUNT( a ) ( ( a & HB_INPUT_CH_LAYOUT_ENCODED_REAR_MASK ) ) + + /* input_channel_layout is the channel layout of this audio */ + /* this is used to provide a common way of describing the source audio */ + int input_channel_layout; + #ifdef __LIBHB__ /* Internal data */ hb_fifo_t * fifo_in; /* AC3/MPEG/LPCM ES */ |