[FFmpeg-devel] [PATCH 2/3] avcodec/ac3tab: Move some tables only used by ac3.c to it
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Thu May 12 15:21:48 EEST 2022
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
libavcodec/ac3.c | 86 +++++++++++++++++++++++++++++++++++++++++++--
libavcodec/ac3tab.c | 82 ------------------------------------------
libavcodec/ac3tab.h | 2 --
3 files changed, 84 insertions(+), 86 deletions(-)
diff --git a/libavcodec/ac3.c b/libavcodec/ac3.c
index e1d0f12073..01fb3b3d7a 100644
--- a/libavcodec/ac3.c
+++ b/libavcodec/ac3.c
@@ -68,6 +68,88 @@ const uint8_t ff_ac3_bin_to_band_tab[253] = {
49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
};
+static const uint8_t ac3_log_add_tab[260]= {
+0x40,0x3f,0x3e,0x3d,0x3c,0x3b,0x3a,0x39,0x38,0x37,
+0x36,0x35,0x34,0x34,0x33,0x32,0x31,0x30,0x2f,0x2f,
+0x2e,0x2d,0x2c,0x2c,0x2b,0x2a,0x29,0x29,0x28,0x27,
+0x26,0x26,0x25,0x24,0x24,0x23,0x23,0x22,0x21,0x21,
+0x20,0x20,0x1f,0x1e,0x1e,0x1d,0x1d,0x1c,0x1c,0x1b,
+0x1b,0x1a,0x1a,0x19,0x19,0x18,0x18,0x17,0x17,0x16,
+0x16,0x15,0x15,0x15,0x14,0x14,0x13,0x13,0x13,0x12,
+0x12,0x12,0x11,0x11,0x11,0x10,0x10,0x10,0x0f,0x0f,
+0x0f,0x0e,0x0e,0x0e,0x0d,0x0d,0x0d,0x0d,0x0c,0x0c,
+0x0c,0x0c,0x0b,0x0b,0x0b,0x0b,0x0a,0x0a,0x0a,0x0a,
+0x0a,0x09,0x09,0x09,0x09,0x09,0x08,0x08,0x08,0x08,
+0x08,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x06,0x06,
+0x06,0x06,0x06,0x06,0x06,0x06,0x05,0x05,0x05,0x05,
+0x05,0x05,0x05,0x05,0x04,0x04,0x04,0x04,0x04,0x04,
+0x04,0x04,0x04,0x04,0x04,0x03,0x03,0x03,0x03,0x03,
+0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x02,
+0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,
+0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x01,0x01,
+0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
+0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
+0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+};
+
+static const uint16_t ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3]= {
+{ 0x04d0,0x04f0,0x0580 },
+{ 0x04d0,0x04f0,0x0580 },
+{ 0x0440,0x0460,0x04b0 },
+{ 0x0400,0x0410,0x0450 },
+{ 0x03e0,0x03e0,0x0420 },
+{ 0x03c0,0x03d0,0x03f0 },
+{ 0x03b0,0x03c0,0x03e0 },
+{ 0x03b0,0x03b0,0x03d0 },
+{ 0x03a0,0x03b0,0x03c0 },
+{ 0x03a0,0x03a0,0x03b0 },
+{ 0x03a0,0x03a0,0x03b0 },
+{ 0x03a0,0x03a0,0x03b0 },
+{ 0x03a0,0x03a0,0x03a0 },
+{ 0x0390,0x03a0,0x03a0 },
+{ 0x0390,0x0390,0x03a0 },
+{ 0x0390,0x0390,0x03a0 },
+{ 0x0380,0x0390,0x03a0 },
+{ 0x0380,0x0380,0x03a0 },
+{ 0x0370,0x0380,0x03a0 },
+{ 0x0370,0x0380,0x03a0 },
+{ 0x0360,0x0370,0x0390 },
+{ 0x0360,0x0370,0x0390 },
+{ 0x0350,0x0360,0x0390 },
+{ 0x0350,0x0360,0x0390 },
+{ 0x0340,0x0350,0x0380 },
+{ 0x0340,0x0350,0x0380 },
+{ 0x0330,0x0340,0x0380 },
+{ 0x0320,0x0340,0x0370 },
+{ 0x0310,0x0320,0x0360 },
+{ 0x0300,0x0310,0x0350 },
+{ 0x02f0,0x0300,0x0340 },
+{ 0x02f0,0x02f0,0x0330 },
+{ 0x02f0,0x02f0,0x0320 },
+{ 0x02f0,0x02f0,0x0310 },
+{ 0x0300,0x02f0,0x0300 },
+{ 0x0310,0x0300,0x02f0 },
+{ 0x0340,0x0320,0x02f0 },
+{ 0x0390,0x0350,0x02f0 },
+{ 0x03e0,0x0390,0x0300 },
+{ 0x0420,0x03e0,0x0310 },
+{ 0x0460,0x0420,0x0330 },
+{ 0x0490,0x0450,0x0350 },
+{ 0x04a0,0x04a0,0x03c0 },
+{ 0x0460,0x0490,0x0410 },
+{ 0x0440,0x0460,0x0470 },
+{ 0x0440,0x0440,0x04a0 },
+{ 0x0520,0x0480,0x0460 },
+{ 0x0800,0x0630,0x0440 },
+{ 0x0840,0x0840,0x0450 },
+{ 0x0840,0x0840,0x04e0 },
+};
+
static inline int calc_lowcomp1(int a, int b0, int b1, int c)
{
if ((b0 + 256) == b1) {
@@ -109,7 +191,7 @@ void ff_ac3_bit_alloc_calc_psd(int8_t *exp, int start, int end, int16_t *psd,
int max = FFMAX(v, psd[bin]);
/* logadd */
int adr = FFMIN(max - ((v + psd[bin] + 1) >> 1), 255);
- v = max + ff_ac3_log_add_tab[adr];
+ v = max + ac3_log_add_tab[adr];
}
band_psd[band++] = v;
} while (end > ff_ac3_band_start_tab[band]);
@@ -183,7 +265,7 @@ int ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *band_psd,
if (tmp > 0) {
excite[band] += tmp >> 2;
}
- mask[band] = FFMAX(ff_ac3_hearing_threshold_tab[band >> s->sr_shift][s->sr_code], excite[band]);
+ mask[band] = FFMAX(ac3_hearing_threshold_tab[band >> s->sr_shift][s->sr_code], excite[band]);
}
/* delta bit allocation */
diff --git a/libavcodec/ac3tab.c b/libavcodec/ac3tab.c
index 766e293a1d..9344368a99 100644
--- a/libavcodec/ac3tab.c
+++ b/libavcodec/ac3tab.c
@@ -114,88 +114,6 @@ const uint8_t ff_eac3_default_cpl_band_struct[18] = {
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1
};
-const uint8_t ff_ac3_log_add_tab[260]= {
-0x40,0x3f,0x3e,0x3d,0x3c,0x3b,0x3a,0x39,0x38,0x37,
-0x36,0x35,0x34,0x34,0x33,0x32,0x31,0x30,0x2f,0x2f,
-0x2e,0x2d,0x2c,0x2c,0x2b,0x2a,0x29,0x29,0x28,0x27,
-0x26,0x26,0x25,0x24,0x24,0x23,0x23,0x22,0x21,0x21,
-0x20,0x20,0x1f,0x1e,0x1e,0x1d,0x1d,0x1c,0x1c,0x1b,
-0x1b,0x1a,0x1a,0x19,0x19,0x18,0x18,0x17,0x17,0x16,
-0x16,0x15,0x15,0x15,0x14,0x14,0x13,0x13,0x13,0x12,
-0x12,0x12,0x11,0x11,0x11,0x10,0x10,0x10,0x0f,0x0f,
-0x0f,0x0e,0x0e,0x0e,0x0d,0x0d,0x0d,0x0d,0x0c,0x0c,
-0x0c,0x0c,0x0b,0x0b,0x0b,0x0b,0x0a,0x0a,0x0a,0x0a,
-0x0a,0x09,0x09,0x09,0x09,0x09,0x08,0x08,0x08,0x08,
-0x08,0x08,0x07,0x07,0x07,0x07,0x07,0x07,0x06,0x06,
-0x06,0x06,0x06,0x06,0x06,0x06,0x05,0x05,0x05,0x05,
-0x05,0x05,0x05,0x05,0x04,0x04,0x04,0x04,0x04,0x04,
-0x04,0x04,0x04,0x04,0x04,0x03,0x03,0x03,0x03,0x03,
-0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x02,
-0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,
-0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x01,0x01,
-0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
-0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
-0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-};
-
-const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3]= {
-{ 0x04d0,0x04f0,0x0580 },
-{ 0x04d0,0x04f0,0x0580 },
-{ 0x0440,0x0460,0x04b0 },
-{ 0x0400,0x0410,0x0450 },
-{ 0x03e0,0x03e0,0x0420 },
-{ 0x03c0,0x03d0,0x03f0 },
-{ 0x03b0,0x03c0,0x03e0 },
-{ 0x03b0,0x03b0,0x03d0 },
-{ 0x03a0,0x03b0,0x03c0 },
-{ 0x03a0,0x03a0,0x03b0 },
-{ 0x03a0,0x03a0,0x03b0 },
-{ 0x03a0,0x03a0,0x03b0 },
-{ 0x03a0,0x03a0,0x03a0 },
-{ 0x0390,0x03a0,0x03a0 },
-{ 0x0390,0x0390,0x03a0 },
-{ 0x0390,0x0390,0x03a0 },
-{ 0x0380,0x0390,0x03a0 },
-{ 0x0380,0x0380,0x03a0 },
-{ 0x0370,0x0380,0x03a0 },
-{ 0x0370,0x0380,0x03a0 },
-{ 0x0360,0x0370,0x0390 },
-{ 0x0360,0x0370,0x0390 },
-{ 0x0350,0x0360,0x0390 },
-{ 0x0350,0x0360,0x0390 },
-{ 0x0340,0x0350,0x0380 },
-{ 0x0340,0x0350,0x0380 },
-{ 0x0330,0x0340,0x0380 },
-{ 0x0320,0x0340,0x0370 },
-{ 0x0310,0x0320,0x0360 },
-{ 0x0300,0x0310,0x0350 },
-{ 0x02f0,0x0300,0x0340 },
-{ 0x02f0,0x02f0,0x0330 },
-{ 0x02f0,0x02f0,0x0320 },
-{ 0x02f0,0x02f0,0x0310 },
-{ 0x0300,0x02f0,0x0300 },
-{ 0x0310,0x0300,0x02f0 },
-{ 0x0340,0x0320,0x02f0 },
-{ 0x0390,0x0350,0x02f0 },
-{ 0x03e0,0x0390,0x0300 },
-{ 0x0420,0x03e0,0x0310 },
-{ 0x0460,0x0420,0x0330 },
-{ 0x0490,0x0450,0x0350 },
-{ 0x04a0,0x04a0,0x03c0 },
-{ 0x0460,0x0490,0x0410 },
-{ 0x0440,0x0460,0x0470 },
-{ 0x0440,0x0440,0x04a0 },
-{ 0x0520,0x0480,0x0460 },
-{ 0x0800,0x0630,0x0440 },
-{ 0x0840,0x0840,0x0450 },
-{ 0x0840,0x0840,0x04e0 },
-};
-
const uint8_t ff_ac3_bap_tab[64]= {
0, 1, 1, 1, 1, 1, 2, 2, 3, 3,
3, 4, 4, 5, 5, 6, 6, 6, 6, 7,
diff --git a/libavcodec/ac3tab.h b/libavcodec/ac3tab.h
index bc470204fe..2d8d3a57f9 100644
--- a/libavcodec/ac3tab.h
+++ b/libavcodec/ac3tab.h
@@ -34,8 +34,6 @@ extern const int ff_ac3_sample_rate_tab[];
extern const uint16_t ff_ac3_bitrate_tab[19];
extern const uint8_t ff_ac3_rematrix_band_tab[5];
extern const uint8_t ff_eac3_default_cpl_band_struct[18];
-extern const uint8_t ff_ac3_log_add_tab[260];
-extern const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3];
extern const uint8_t ff_ac3_bap_tab[64];
extern const uint8_t ff_ac3_slow_decay_tab[4];
extern const uint8_t ff_ac3_fast_decay_tab[4];
--
2.32.0
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