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optimization for AAC-SBR

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This commit is contained in:
Philippe G
2021-05-09 23:17:51 -07:00
parent 1fc7675c14
commit 0f792d71ee
4 changed files with 7 additions and 3 deletions
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components/codecs/lib/libhelix-aac-sbr.a
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components/codecs/lib/libhelix-aac.a
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6
components/squeezelite/output_i2s.c
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@@ -419,7 +419,11 @@ static int _i2s_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32
memcpy(obuf + oframes * BYTES_PER_FRAME, silencebuf, out_frames * BYTES_PER_FRAME); memcpy(obuf + oframes * BYTES_PER_FRAME, silencebuf, out_frames * BYTES_PER_FRAME);
} }
output_visu_export(obuf + oframes * BYTES_PER_FRAME, out_frames, output.current_sample_rate, silence, (gainL + gainR) / 2); // don't update visu if we don't have enough data in buffer
if (_buf_used(outputbuf) > outputbuf->size >> 2) {
output_visu_export(obuf + oframes * BYTES_PER_FRAME, out_frames, output.current_sample_rate, silence, (gainL + gainR) / 2);
}
oframes += out_frames; oframes += out_frames;
return out_frames; return out_frames;

4
components/squeezelite/output_visu.c
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@@ -22,7 +22,7 @@
#include "squeezelite.h" #include "squeezelite.h"
#define VISUEXPORT_SIZE 2048 #define VISUEXPORT_SIZE 512
EXT_BSS struct visu_export_s visu_export; EXT_BSS struct visu_export_s visu_export;
static struct visu_export_s *visu = &visu_export; static struct visu_export_s *visu = &visu_export;
@@ -37,7 +37,7 @@ void output_visu_export(void *frames, frames_t out_frames, u32_t rate, bool sile
return; return;
} }
// do not block, try to stuff data put wait for consumer to have used them // do not block, try to stuff data but wait for consumer to have used them
if (!pthread_mutex_trylock(&visu->mutex)) { if (!pthread_mutex_trylock(&visu->mutex)) {
// don't mix sample rates // don't mix sample rates
if (visu->rate != rate) visu->level = 0; if (visu->rate != rate) visu->level = 0;