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audio: Separate channel maps out of SDL_AudioSpec.

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Ryan C. Gordon
2024-07-10 00:10:37 -04:00
parent 1664ac4fcb
commit 4755055bc3
12 changed files with 455 additions and 114 deletions
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8
src/audio/SDL_audioqueue.h
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@@ -48,11 +48,11 @@ void SDL_PopAudioQueueHead(SDL_AudioQueue *queue);
// Write data to the end of queue
// REQUIRES: If the spec has changed, the last track must have been flushed
int SDL_WriteToAudioQueue(SDL_AudioQueue *queue, const SDL_AudioSpec *spec, const Uint8 *data, size_t len);
int SDL_WriteToAudioQueue(SDL_AudioQueue *queue, const SDL_AudioSpec *spec, const int *chmap, const Uint8 *data, size_t len);
// Create a track where the input data is owned by the caller
SDL_AudioTrack *SDL_CreateAudioTrack(SDL_AudioQueue *queue,
const SDL_AudioSpec *spec, Uint8 *data, size_t len, size_t capacity,
const SDL_AudioSpec *spec, const int *chmap, Uint8 *data, size_t len, size_t capacity,
SDL_ReleaseAudioBufferCallback callback, void *userdata);
// Add a track to the end of the queue
@@ -64,10 +64,10 @@ void *SDL_BeginAudioQueueIter(SDL_AudioQueue *queue);
// Query and update the track iterator
// REQUIRES: `*inout_iter != NULL` (a valid iterator)
size_t SDL_NextAudioQueueIter(SDL_AudioQueue *queue, void **inout_iter, SDL_AudioSpec *out_spec, SDL_bool *out_flushed);
size_t SDL_NextAudioQueueIter(SDL_AudioQueue *queue, void **inout_iter, SDL_AudioSpec *out_spec, int **out_chmap, SDL_bool *out_flushed);
const Uint8 *SDL_ReadFromAudioQueue(SDL_AudioQueue *queue,
Uint8 *dst, SDL_AudioFormat dst_format, int dst_channels, const Uint8 *dst_map,
Uint8 *dst, SDL_AudioFormat dst_format, int dst_channels, const int *dst_map,
int past_frames, int present_frames, int future_frames,
Uint8 *scratch, float gain);