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acp: add channel layout and map channels

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This commit is contained in:
Wim Taymans 2020-11-23 15:31:10 +01:00
parent 8f7e5dd950
commit af3f18b489
2 changed files with 116 additions and 2 deletions
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47
spa/plugins/alsa/acp/acp.h
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@ -43,6 +43,7 @@ extern "C" {
#endif
#define ACP_INVALID_INDEX ((uint32_t)-1)
#define ACP_MAX_CHANNELS 64
struct acp_dict_item {
const char *key;
@ -56,12 +57,56 @@ struct acp_dict {
const struct acp_dict_item *items;
};
enum acp_channel {
ACP_CHANNEL_UNKNOWN, /**< unspecified */
ACP_CHANNEL_NA, /**< N/A, silent */
ACP_CHANNEL_MONO, /**< mono stream */
ACP_CHANNEL_FL, /**< front left */
ACP_CHANNEL_FR, /**< front right */
ACP_CHANNEL_FC, /**< front center */
ACP_CHANNEL_LFE, /**< LFE */
ACP_CHANNEL_SL, /**< side left */
ACP_CHANNEL_SR, /**< side right */
ACP_CHANNEL_FLC, /**< front left center */
ACP_CHANNEL_FRC, /**< front right center */
ACP_CHANNEL_RC, /**< rear center */
ACP_CHANNEL_RL, /**< rear left */
ACP_CHANNEL_RR, /**< rear right */
ACP_CHANNEL_TC, /**< top center */
ACP_CHANNEL_TFL, /**< top front left */
ACP_CHANNEL_TFC, /**< top front center */
ACP_CHANNEL_TFR, /**< top front right */
ACP_CHANNEL_TRL, /**< top rear left */
ACP_CHANNEL_TRC, /**< top rear center */
ACP_CHANNEL_TRR, /**< top rear right */
ACP_CHANNEL_RLC, /**< rear left center */
ACP_CHANNEL_RRC, /**< rear right center */
ACP_CHANNEL_FLW, /**< front left wide */
ACP_CHANNEL_FRW, /**< front right wide */
ACP_CHANNEL_LFE2, /**< LFE 2 */
ACP_CHANNEL_FLH, /**< front left high */
ACP_CHANNEL_FCH, /**< front center high */
ACP_CHANNEL_FRH, /**< front right high */
ACP_CHANNEL_TFLC, /**< top front left center */
ACP_CHANNEL_TFRC, /**< top front right center */
ACP_CHANNEL_TSL, /**< top side left */
ACP_CHANNEL_TSR, /**< top side right */
ACP_CHANNEL_LLFE, /**< left LFE */
ACP_CHANNEL_RLFE, /**< right LFE */
ACP_CHANNEL_BC, /**< bottom center */
ACP_CHANNEL_BLC, /**< bottom left center */
ACP_CHANNEL_BRC, /**< bottom right center */
ACP_CHANNEL_CUSTOM_START = 0x10000,
};
struct acp_format {
uint32_t flags;
uint32_t format_mask;
uint32_t rate_mask;
uint32_t channels;
uint32_t map[64];
uint32_t map[ACP_MAX_CHANNELS];
};
#define ACP_DICT_INIT(items,n_items) (struct acp_dict) { 0, n_items, items }