It is only used to generate band_start_tab, which about the same size, at
runtime, so it's simpler just to always hardcode band_start_tab.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 24e3ad3031fa26e12d4b939f0ff0dd6e12f05ef5)
| ... | ... |
@@ -28,8 +28,6 @@ |
| 28 | 28 |
#include "ac3.h" |
| 29 | 29 |
#include "get_bits.h" |
| 30 | 30 |
|
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-#if CONFIG_HARDCODED_TABLES |
|
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- |
|
| 33 | 31 |
/** |
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* Starting frequency coefficient bin for each critical band. |
| 35 | 33 |
*/ |
| ... | ... |
@@ -41,6 +39,8 @@ static const uint8_t band_start_tab[AC3_CRITICAL_BANDS+1] = {
|
| 41 | 41 |
79, 85, 97, 109, 121, 133, 157, 181, 205, 229, 253 |
| 42 | 42 |
}; |
| 43 | 43 |
|
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+#if CONFIG_HARDCODED_TABLES |
|
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+ |
|
| 44 | 46 |
/** |
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* Map each frequency coefficient bin to the critical band that contains it. |
| 46 | 48 |
*/ |
| ... | ... |
@@ -70,13 +70,6 @@ static const uint8_t bin_to_band_tab[253] = {
|
| 70 | 70 |
}; |
| 71 | 71 |
|
| 72 | 72 |
#else /* CONFIG_HARDCODED_TABLES */ |
| 73 |
-static const uint8_t ff_ac3_critical_band_size_tab[AC3_CRITICAL_BANDS]={
|
|
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- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
|
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- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, |
|
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- 3, 6, 6, 6, 6, 6, 6, 12, 12, 12, 12, 24, 24, 24, 24, 24 |
|
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-}; |
|
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- |
|
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-static uint8_t band_start_tab[51]; |
|
| 80 | 73 |
static uint8_t bin_to_band_tab[253]; |
| 81 | 74 |
#endif |
| 82 | 75 |
|
| ... | ... |
@@ -251,14 +244,12 @@ void ff_ac3_bit_alloc_calc_bap(int16_t *mask, int16_t *psd, int start, int end, |
| 251 | 251 |
av_cold void ac3_common_init(void) |
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{
|
| 253 | 253 |
#if !CONFIG_HARDCODED_TABLES |
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- /* compute bndtab and masktab from bandsz */ |
|
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+ /* compute bin_to_band_tab from band_start_tab */ |
|
| 255 | 255 |
int bin = 0, band; |
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for (band = 0; band < AC3_CRITICAL_BANDS; band++) {
|
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- int band_end = bin + ff_ac3_critical_band_size_tab[band]; |
|
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- band_start_tab[band] = bin; |
|
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+ int band_end = band_start_tab[band+1]; |
|
| 259 | 258 |
while (bin < band_end) |
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bin_to_band_tab[bin++] = band; |
| 261 | 260 |
} |
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- band_start_tab[AC3_CRITICAL_BANDS] = bin; |
|
| 263 | 261 |
#endif /* !CONFIG_HARDCODED_TABLES */ |
| 264 | 262 |
} |