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channelmix: apply channel volumes correctly

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This commit is contained in:
Wim Taymans 2019-08-14 14:56:16 +02:00
parent 449d98910b
commit 87ae7a8011
5 changed files with 270 additions and 253 deletions
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11
spa/plugins/audioconvert/channelmix-ops.h
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@ -49,11 +49,12 @@ struct channelmix {
struct spa_log *log;
unsigned int is_identity:1;
float volume;
float matrix_orig[SPA_AUDIO_MAX_CHANNELS * SPA_AUDIO_MAX_CHANNELS];
float matrix[SPA_AUDIO_MAX_CHANNELS * SPA_AUDIO_MAX_CHANNELS];
unsigned int zero:1; /* all zero components */
unsigned int identity:1; /* identity matrix */
unsigned int norm:1; /* all normal values */
unsigned int equal:1; /* all values are equal */
float matrix_orig[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS];
float matrix[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS];
void (*process) (struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples);