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channelmix: add some more channelmix positions

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Implement downmix of some top and rear channels as well.
This commit is contained in:
Wim Taymans 2026-01-15 16:43:43 +01:00
parent 4448302f65
commit fc171c8f35
2 changed files with 129 additions and 36 deletions
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71
spa/include/spa/param/audio/raw.h
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@ -152,41 +152,42 @@ enum spa_audio_channel {
SPA_AUDIO_CHANNEL_MONO, /**< mono stream */
SPA_AUDIO_CHANNEL_FL, /**< front left */
SPA_AUDIO_CHANNEL_FR, /**< front right */
SPA_AUDIO_CHANNEL_FC, /**< front center */
SPA_AUDIO_CHANNEL_LFE, /**< LFE */
SPA_AUDIO_CHANNEL_SL, /**< side left */
SPA_AUDIO_CHANNEL_SR, /**< side right */
SPA_AUDIO_CHANNEL_FLC, /**< front left center */
SPA_AUDIO_CHANNEL_FRC, /**< front right center */
SPA_AUDIO_CHANNEL_RC, /**< rear center */
SPA_AUDIO_CHANNEL_RL, /**< rear left */
SPA_AUDIO_CHANNEL_RR, /**< rear right */
SPA_AUDIO_CHANNEL_TC, /**< top center */
SPA_AUDIO_CHANNEL_TFL, /**< top front left */
SPA_AUDIO_CHANNEL_TFC, /**< top front center */
SPA_AUDIO_CHANNEL_TFR, /**< top front right */
SPA_AUDIO_CHANNEL_TRL, /**< top rear left */
SPA_AUDIO_CHANNEL_TRC, /**< top rear center */
SPA_AUDIO_CHANNEL_TRR, /**< top rear right */
SPA_AUDIO_CHANNEL_RLC, /**< rear left center */
SPA_AUDIO_CHANNEL_RRC, /**< rear right center */
SPA_AUDIO_CHANNEL_FLW, /**< front left wide */
SPA_AUDIO_CHANNEL_FRW, /**< front right wide */
SPA_AUDIO_CHANNEL_LFE2, /**< LFE 2 */
SPA_AUDIO_CHANNEL_FLH, /**< front left high */
SPA_AUDIO_CHANNEL_FCH, /**< front center high */
SPA_AUDIO_CHANNEL_FRH, /**< front right high */
SPA_AUDIO_CHANNEL_TFLC, /**< top front left center */
SPA_AUDIO_CHANNEL_TFRC, /**< top front right center */
SPA_AUDIO_CHANNEL_TSL, /**< top side left */
SPA_AUDIO_CHANNEL_TSR, /**< top side right */
SPA_AUDIO_CHANNEL_LLFE, /**< left LFE */
SPA_AUDIO_CHANNEL_RLFE, /**< right LFE */
SPA_AUDIO_CHANNEL_BC, /**< bottom center */
SPA_AUDIO_CHANNEL_BLC, /**< bottom left center */
SPA_AUDIO_CHANNEL_BRC, /**< bottom right center */
/** Azimuth Elevation */
SPA_AUDIO_CHANNEL_FL, /**< front left 30 0 */
SPA_AUDIO_CHANNEL_FR, /**< front right -30 0 */
SPA_AUDIO_CHANNEL_FC, /**< front center 0 0 */
SPA_AUDIO_CHANNEL_LFE, /**< LFE 0 -30 */
SPA_AUDIO_CHANNEL_SL, /**< side left 90 0 */
SPA_AUDIO_CHANNEL_SR, /**< side right -90 0 */
SPA_AUDIO_CHANNEL_FLC, /**< front left center 22.5 0 */
SPA_AUDIO_CHANNEL_FRC, /**< front right center -22.5 0 */
SPA_AUDIO_CHANNEL_RC, /**< rear center 180 0 */
SPA_AUDIO_CHANNEL_RL, /**< rear left 110 0 */
SPA_AUDIO_CHANNEL_RR, /**< rear right -110 0 */
SPA_AUDIO_CHANNEL_TC, /**< top center 0 90 */
SPA_AUDIO_CHANNEL_TFL, /**< top front left 30 30 */
SPA_AUDIO_CHANNEL_TFC, /**< top front center 0 30 */
SPA_AUDIO_CHANNEL_TFR, /**< top front right -30 30 */
SPA_AUDIO_CHANNEL_TRL, /**< top rear left 110 30 */
SPA_AUDIO_CHANNEL_TRC, /**< top rear center 180 30 */
SPA_AUDIO_CHANNEL_TRR, /**< top rear right -110 30 */
SPA_AUDIO_CHANNEL_RLC, /**< rear left center 135 0 */
SPA_AUDIO_CHANNEL_RRC, /**< rear right center -135 0 */
SPA_AUDIO_CHANNEL_FLW, /**< front left wide 60 0 */
SPA_AUDIO_CHANNEL_FRW, /**< front right wide -60 0 */
SPA_AUDIO_CHANNEL_LFE2, /**< LFE 2 0 -30 */
SPA_AUDIO_CHANNEL_FLH, /**< front left high 22.5 30 */
SPA_AUDIO_CHANNEL_FCH, /**< front center high 0 30 */
SPA_AUDIO_CHANNEL_FRH, /**< front right high -22.5 30 */
SPA_AUDIO_CHANNEL_TFLC, /**< top front left center 45 30 */
SPA_AUDIO_CHANNEL_TFRC, /**< top front right center -45 30 */
SPA_AUDIO_CHANNEL_TSL, /**< top side left 90 0 */
SPA_AUDIO_CHANNEL_TSR, /**< top side right -90 0 */
SPA_AUDIO_CHANNEL_LLFE, /**< left LFE 45 -30 */
SPA_AUDIO_CHANNEL_RLFE, /**< right LFE -45 -30 */
SPA_AUDIO_CHANNEL_BC, /**< bottom center 0 -30 */
SPA_AUDIO_CHANNEL_BLC, /**< bottom left center 45 -30 */
SPA_AUDIO_CHANNEL_BRC, /**< bottom right center -45 -30 */
SPA_AUDIO_CHANNEL_START_Aux = 0x1000, /**< aux channels */
SPA_AUDIO_CHANNEL_AUX0 = SPA_AUDIO_CHANNEL_START_Aux,