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pcm_mixer: introduce mixer_play_cbs

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the added sampr_changed callback can be used to notify the mixer user of
frequency changes

Change-Id: I309db76576090fd5c019a1ba082af446129dd4a3
This commit is contained in:
mojyack 2026-03-31 10:42:54 +09:00 • committed by Solomon Peachy
parent 86639acc5e
commit cb04b8167c
20 changed files with 128 additions and 47 deletions
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7
firmware/export/pcm_mixer.h
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@ -96,8 +96,13 @@ enum channel_status
/** Public interfaces **/
/* Start playback on a channel */
struct mixer_play_cbs {
void (*get_more)(const void **start, size_t *size);
void (*sampr_changed)(uint32_t sampr);
};
void mixer_channel_play_data(enum pcm_mixer_channel channel,
pcm_play_callback_type get_more,
const struct mixer_play_cbs* cbs,
const void *start, size_t size);
/* Pause or resume a channel (when started) */