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ffmpeg.wasm-core
Commit e28fabb4 authored by Michael Niedermayer's avatar Michael Niedermayer
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Merge commit '6c145ecf' 

* commit '6c145ecf':
  twinvq: K&R formatting cosmetics

Conflicts:
	libavcodec/twinvq.c
Merged-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parents 1af92119 6c145ecf
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Showing with 478 additions and 439 deletions
libavcodec/twinvq.c
View file @ e28fabb4
...@@ -19,6 +19,9 @@ ...@@ -19,6 +19,9 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <math.h>
#include <stdint.h>
#include "libavutil/channel_layout.h" #include "libavutil/channel_layout.h"
#include "libavutil/float_dsp.h" #include "libavutil/float_dsp.h"
#include "avcodec.h" #include "avcodec.h"
...@@ -27,10 +30,6 @@ ...@@ -27,10 +30,6 @@
#include "internal.h" #include "internal.h"
#include "lsp.h" #include "lsp.h"
#include "sinewin.h" #include "sinewin.h"
#include <math.h>
#include <stdint.h>
#include "twinvq_data.h" #include "twinvq_data.h"
enum FrameType { enum FrameType {
...@@ -95,83 +94,83 @@ typedef struct { ...@@ -95,83 +94,83 @@ typedef struct {
static const ModeTab mode_08_08 = { static const ModeTab mode_08_08 = {
{ {
{ 8, bark_tab_s08_64, 10, tab.fcb08s , 1, 5, tab.cb0808s0, tab.cb0808s1, 18}, { 8, bark_tab_s08_64, 10, tab.fcb08s, 1, 5, tab.cb0808s0, tab.cb0808s1, 18 },
{ 2, bark_tab_m08_256, 20, tab.fcb08m , 2, 5, tab.cb0808m0, tab.cb0808m1, 16}, { 2, bark_tab_m08_256, 20, tab.fcb08m, 2, 5, tab.cb0808m0, tab.cb0808m1, 16 },
{ 1, bark_tab_l08_512, 30, tab.fcb08l , 3, 6, tab.cb0808l0, tab.cb0808l1, 17} { 1, bark_tab_l08_512, 30, tab.fcb08l, 3, 6, tab.cb0808l0, tab.cb0808l1, 17 }
}, },
512 , 12, tab.lsp08, 1, 5, 3, 3, tab.shape08 , 8, 28, 20, 6, 40 512, 12, tab.lsp08, 1, 5, 3, 3, tab.shape08, 8, 28, 20, 6, 40
}; };
static const ModeTab mode_11_08 = { static const ModeTab mode_11_08 = {
{ {
{ 8, bark_tab_s11_64, 10, tab.fcb11s , 1, 5, tab.cb1108s0, tab.cb1108s1, 29}, { 8, bark_tab_s11_64, 10, tab.fcb11s, 1, 5, tab.cb1108s0, tab.cb1108s1, 29 },
{ 2, bark_tab_m11_256, 20, tab.fcb11m , 2, 5, tab.cb1108m0, tab.cb1108m1, 24}, { 2, bark_tab_m11_256, 20, tab.fcb11m, 2, 5, tab.cb1108m0, tab.cb1108m1, 24 },
{ 1, bark_tab_l11_512, 30, tab.fcb11l , 3, 6, tab.cb1108l0, tab.cb1108l1, 27} { 1, bark_tab_l11_512, 30, tab.fcb11l, 3, 6, tab.cb1108l0, tab.cb1108l1, 27 }
}, },
512 , 16, tab.lsp11, 1, 6, 4, 3, tab.shape11 , 9, 36, 30, 7, 90 512, 16, tab.lsp11, 1, 6, 4, 3, tab.shape11, 9, 36, 30, 7, 90
}; };
static const ModeTab mode_11_10 = { static const ModeTab mode_11_10 = {
{ {
{ 8, bark_tab_s11_64, 10, tab.fcb11s , 1, 5, tab.cb1110s0, tab.cb1110s1, 21}, { 8, bark_tab_s11_64, 10, tab.fcb11s, 1, 5, tab.cb1110s0, tab.cb1110s1, 21 },
{ 2, bark_tab_m11_256, 20, tab.fcb11m , 2, 5, tab.cb1110m0, tab.cb1110m1, 18}, { 2, bark_tab_m11_256, 20, tab.fcb11m, 2, 5, tab.cb1110m0, tab.cb1110m1, 18 },
{ 1, bark_tab_l11_512, 30, tab.fcb11l , 3, 6, tab.cb1110l0, tab.cb1110l1, 20} { 1, bark_tab_l11_512, 30, tab.fcb11l, 3, 6, tab.cb1110l0, tab.cb1110l1, 20 }
}, },
512 , 16, tab.lsp11, 1, 6, 4, 3, tab.shape11 , 9, 36, 30, 7, 90 512, 16, tab.lsp11, 1, 6, 4, 3, tab.shape11, 9, 36, 30, 7, 90
}; };
static const ModeTab mode_16_16 = { static const ModeTab mode_16_16 = {
{ {
{ 8, bark_tab_s16_128, 10, tab.fcb16s , 1, 5, tab.cb1616s0, tab.cb1616s1, 16}, { 8, bark_tab_s16_128, 10, tab.fcb16s, 1, 5, tab.cb1616s0, tab.cb1616s1, 16 },
{ 2, bark_tab_m16_512, 20, tab.fcb16m , 2, 5, tab.cb1616m0, tab.cb1616m1, 15}, { 2, bark_tab_m16_512, 20, tab.fcb16m, 2, 5, tab.cb1616m0, tab.cb1616m1, 15 },
{ 1, bark_tab_l16_1024,30, tab.fcb16l , 3, 6, tab.cb1616l0, tab.cb1616l1, 16} { 1, bark_tab_l16_1024, 30, tab.fcb16l, 3, 6, tab.cb1616l0, tab.cb1616l1, 16 }
}, },
1024, 16, tab.lsp16, 1, 6, 4, 3, tab.shape16 , 9, 56, 60, 7, 180 1024, 16, tab.lsp16, 1, 6, 4, 3, tab.shape16, 9, 56, 60, 7, 180
}; };
static const ModeTab mode_22_20 = { static const ModeTab mode_22_20 = {
{ {
{ 8, bark_tab_s22_128, 10, tab.fcb22s_1, 1, 6, tab.cb2220s0, tab.cb2220s1, 18}, { 8, bark_tab_s22_128, 10, tab.fcb22s_1, 1, 6, tab.cb2220s0, tab.cb2220s1, 18 },
{ 2, bark_tab_m22_512, 20, tab.fcb22m_1, 2, 6, tab.cb2220m0, tab.cb2220m1, 17}, { 2, bark_tab_m22_512, 20, tab.fcb22m_1, 2, 6, tab.cb2220m0, tab.cb2220m1, 17 },
{ 1, bark_tab_l22_1024,32, tab.fcb22l_1, 4, 6, tab.cb2220l0, tab.cb2220l1, 18} { 1, bark_tab_l22_1024, 32, tab.fcb22l_1, 4, 6, tab.cb2220l0, tab.cb2220l1, 18 }
}, },
1024, 16, tab.lsp22_1, 1, 6, 4, 3, tab.shape22_1, 9, 56, 36, 7, 144 1024, 16, tab.lsp22_1, 1, 6, 4, 3, tab.shape22_1, 9, 56, 36, 7, 144
}; };
static const ModeTab mode_22_24 = { static const ModeTab mode_22_24 = {
{ {
{ 8, bark_tab_s22_128, 10, tab.fcb22s_1, 1, 6, tab.cb2224s0, tab.cb2224s1, 15}, { 8, bark_tab_s22_128, 10, tab.fcb22s_1, 1, 6, tab.cb2224s0, tab.cb2224s1, 15 },
{ 2, bark_tab_m22_512, 20, tab.fcb22m_1, 2, 6, tab.cb2224m0, tab.cb2224m1, 14}, { 2, bark_tab_m22_512, 20, tab.fcb22m_1, 2, 6, tab.cb2224m0, tab.cb2224m1, 14 },
{ 1, bark_tab_l22_1024,32, tab.fcb22l_1, 4, 6, tab.cb2224l0, tab.cb2224l1, 15} { 1, bark_tab_l22_1024, 32, tab.fcb22l_1, 4, 6, tab.cb2224l0, tab.cb2224l1, 15 }
}, },
1024, 16, tab.lsp22_1, 1, 6, 4, 3, tab.shape22_1, 9, 56, 36, 7, 144 1024, 16, tab.lsp22_1, 1, 6, 4, 3, tab.shape22_1, 9, 56, 36, 7, 144
}; };
static const ModeTab mode_22_32 = { static const ModeTab mode_22_32 = {
{ {
{ 4, bark_tab_s22_128, 10, tab.fcb22s_2, 1, 6, tab.cb2232s0, tab.cb2232s1, 11}, { 4, bark_tab_s22_128, 10, tab.fcb22s_2, 1, 6, tab.cb2232s0, tab.cb2232s1, 11 },
{ 2, bark_tab_m22_256, 20, tab.fcb22m_2, 2, 6, tab.cb2232m0, tab.cb2232m1, 11}, { 2, bark_tab_m22_256, 20, tab.fcb22m_2, 2, 6, tab.cb2232m0, tab.cb2232m1, 11 },
{ 1, bark_tab_l22_512, 32, tab.fcb22l_2, 4, 6, tab.cb2232l0, tab.cb2232l1, 12} { 1, bark_tab_l22_512, 32, tab.fcb22l_2, 4, 6, tab.cb2232l0, tab.cb2232l1, 12 }
}, },
512 , 16, tab.lsp22_2, 1, 6, 4, 4, tab.shape22_2, 9, 56, 36, 7, 72 512, 16, tab.lsp22_2, 1, 6, 4, 4, tab.shape22_2, 9, 56, 36, 7, 72
}; };
static const ModeTab mode_44_40 = { static const ModeTab mode_44_40 = {
{ {
{16, bark_tab_s44_128, 10, tab.fcb44s , 1, 6, tab.cb4440s0, tab.cb4440s1, 18}, { 16, bark_tab_s44_128, 10, tab.fcb44s, 1, 6, tab.cb4440s0, tab.cb4440s1, 18 },
{ 4, bark_tab_m44_512, 20, tab.fcb44m , 2, 6, tab.cb4440m0, tab.cb4440m1, 17}, { 4, bark_tab_m44_512, 20, tab.fcb44m, 2, 6, tab.cb4440m0, tab.cb4440m1, 17 },
{ 1, bark_tab_l44_2048,40, tab.fcb44l , 4, 6, tab.cb4440l0, tab.cb4440l1, 17} { 1, bark_tab_l44_2048, 40, tab.fcb44l, 4, 6, tab.cb4440l0, tab.cb4440l1, 17 }
}, },
2048, 20, tab.lsp44, 1, 6, 4, 4, tab.shape44 , 9, 84, 54, 7, 432 2048, 20, tab.lsp44, 1, 6, 4, 4, tab.shape44, 9, 84, 54, 7, 432
}; };
static const ModeTab mode_44_48 = { static const ModeTab mode_44_48 = {
{ {
{16, bark_tab_s44_128, 10, tab.fcb44s , 1, 6, tab.cb4448s0, tab.cb4448s1, 15}, { 16, bark_tab_s44_128, 10, tab.fcb44s, 1, 6, tab.cb4448s0, tab.cb4448s1, 15 },
{ 4, bark_tab_m44_512, 20, tab.fcb44m , 2, 6, tab.cb4448m0, tab.cb4448m1, 14}, { 4, bark_tab_m44_512, 20, tab.fcb44m, 2, 6, tab.cb4448m0, tab.cb4448m1, 14 },
{ 1, bark_tab_l44_2048,40, tab.fcb44l , 4, 6, tab.cb4448l0, tab.cb4448l1, 14} { 1, bark_tab_l44_2048, 40, tab.fcb44l, 4, 6, tab.cb4448l0, tab.cb4448l1, 14 }
}, },
2048, 20, tab.lsp44, 1, 6, 4, 4, tab.shape44 , 9, 84, 54, 7, 432 2048, 20, tab.lsp44, 1, 6, 4, 4, tab.shape44, 9, 84, 54, 7, 432
}; };
typedef struct TwinContext { typedef struct TwinContext {
...@@ -244,15 +243,15 @@ static float eval_lpc_spectrum(const float *lsp, float cos_val, int order) ...@@ -244,15 +243,15 @@ static float eval_lpc_spectrum(const float *lsp, float cos_val, int order)
int j; int j;
float p = 0.5f; float p = 0.5f;
float q = 0.5f; float q = 0.5f;
float two_cos_w = 2.0f*cos_val; float two_cos_w = 2.0f * cos_val;
for (j = 0; j + 1 < order; j += 2*2) { for (j = 0; j + 1 < order; j += 2 * 2) {
// Unroll the loop once since order is a multiple of four // Unroll the loop once since order is a multiple of four
q *= lsp[j ] - two_cos_w; q *= lsp[j] - two_cos_w;
p *= lsp[j+1] - two_cos_w; p *= lsp[j + 1] - two_cos_w;
q *= lsp[j+2] - two_cos_w; q *= lsp[j + 2] - two_cos_w;
p *= lsp[j+3] - two_cos_w; p *= lsp[j + 3] - two_cos_w;
} }
p *= p * (2.0f - two_cos_w); p *= p * (2.0f - two_cos_w);
...@@ -270,17 +269,17 @@ static void eval_lpcenv(TwinContext *tctx, const float *cos_vals, float *lpc) ...@@ -270,17 +269,17 @@ static void eval_lpcenv(TwinContext *tctx, const float *cos_vals, float *lpc)
const ModeTab *mtab = tctx->mtab; const ModeTab *mtab = tctx->mtab;
int size_s = mtab->size / mtab->fmode[FT_SHORT].sub; int size_s = mtab->size / mtab->fmode[FT_SHORT].sub;
for (i = 0; i < size_s/2; i++) { for (i = 0; i < size_s / 2; i++) {
float cos_i = tctx->cos_tabs[0][i]; float cos_i = tctx->cos_tabs[0][i];
lpc[i] = eval_lpc_spectrum(cos_vals, cos_i, mtab->n_lsp); lpc[i] = eval_lpc_spectrum(cos_vals, cos_i, mtab->n_lsp);
lpc[size_s-i-1] = eval_lpc_spectrum(cos_vals, -cos_i, mtab->n_lsp); lpc[size_s - i - 1] = eval_lpc_spectrum(cos_vals, -cos_i, mtab->n_lsp);
} }
} }
static void interpolate(float *out, float v1, float v2, int size) static void interpolate(float *out, float v1, float v2, int size)
{ {
int i; int i;
float step = (v1 - v2)/(size + 1); float step = (v1 - v2) / (size + 1);
for (i = 0; i < size; i++) { for (i = 0; i < size; i++) {
v2 += step; v2 += step;
...@@ -290,8 +289,8 @@ static void interpolate(float *out, float v1, float v2, int size) ...@@ -290,8 +289,8 @@ static void interpolate(float *out, float v1, float v2, int size)
static inline float get_cos(int idx, int part, const float *cos_tab, int size) static inline float get_cos(int idx, int part, const float *cos_tab, int size)
{ {
return part ? -cos_tab[size - idx - 1] : return part ? -cos_tab[size - idx - 1]
cos_tab[ idx ]; : cos_tab[idx];
} }
/** /**
...@@ -305,7 +304,7 @@ static inline float get_cos(int idx, int part, const float *cos_tab, int size) ...@@ -305,7 +304,7 @@ static inline float get_cos(int idx, int part, const float *cos_tab, int size)
* @param step the size of a block "siiiibiiii" * @param step the size of a block "siiiibiiii"
* @param in the cosinus of the LSP data * @param in the cosinus of the LSP data
* @param part is 0 for 0...PI (positive cossinus values) and 1 for PI...2PI * @param part is 0 for 0...PI (positive cossinus values) and 1 for PI...2PI
(negative cossinus values) * (negative cossinus values)
* @param size the size of the whole output * @param size the size of the whole output
*/ */
static inline void eval_lpcenv_or_interp(TwinContext *tctx, static inline void eval_lpcenv_or_interp(TwinContext *tctx,
...@@ -325,33 +324,38 @@ static inline void eval_lpcenv_or_interp(TwinContext *tctx, ...@@ -325,33 +324,38 @@ static inline void eval_lpcenv_or_interp(TwinContext *tctx,
mtab->n_lsp); mtab->n_lsp);
// Fill the 'iiiibiiii' // Fill the 'iiiibiiii'
for (i = step; i <= size - 2*step; i += step) { for (i = step; i <= size - 2 * step; i += step) {
if (out[i + step] + out[i - step] > 1.95*out[i] || if (out[i + step] + out[i - step] > 1.95 * out[i] ||
out[i + step] >= out[i - step]) { out[i + step] >= out[i - step]) {
interpolate(out + i - step + 1, out[i], out[i-step], step - 1); interpolate(out + i - step + 1, out[i], out[i - step], step - 1);
} else { } else {
out[i - step/2] = out[i - step / 2] =
eval_lpc_spectrum(in, eval_lpc_spectrum(in,
get_cos(i-step/2, part, cos_tab, size), get_cos(i - step / 2, part, cos_tab, size),
mtab->n_lsp); mtab->n_lsp);
interpolate(out + i - step + 1, out[i-step/2], out[i-step ], step/2 - 1); interpolate(out + i - step + 1, out[i - step / 2],
interpolate(out + i - step/2 + 1, out[i ], out[i-step/2], step/2 - 1); out[i - step], step / 2 - 1);
interpolate(out + i - step / 2 + 1, out[i],
out[i - step / 2], step / 2 - 1);
} }
} }
interpolate(out + size - 2*step + 1, out[size-step], out[size - 2*step], step - 1); interpolate(out + size - 2 * step + 1, out[size - step],
out[size - 2 * step], step - 1);
} }
static void eval_lpcenv_2parts(TwinContext *tctx, enum FrameType ftype, static void eval_lpcenv_2parts(TwinContext *tctx, enum FrameType ftype,
const float *buf, float *lpc, const float *buf, float *lpc,
int size, int step) int size, int step)
{ {
eval_lpcenv_or_interp(tctx, ftype, lpc , buf, size/2, step, 0); eval_lpcenv_or_interp(tctx, ftype, lpc, buf, size / 2, step, 0);
eval_lpcenv_or_interp(tctx, ftype, lpc + size/2, buf, size/2, 2*step, 1); eval_lpcenv_or_interp(tctx, ftype, lpc + size / 2, buf, size / 2,
2 * step, 1);
interpolate(lpc+size/2-step+1, lpc[size/2], lpc[size/2-step], step); interpolate(lpc + size / 2 - step + 1, lpc[size / 2],
lpc[size / 2 - step], step);
memset_float(lpc + size - 2*step + 1, lpc[size - 2*step], 2*step - 1); memset_float(lpc + size - 2 * step + 1, lpc[size - 2 * step], 2 * step - 1);
} }
/** /**
...@@ -392,26 +396,26 @@ static void dequant(TwinContext *tctx, GetBitContext *gb, float *out, ...@@ -392,26 +396,26 @@ static void dequant(TwinContext *tctx, GetBitContext *gb, float *out,
} }
tmp1 = get_bits(gb, bits); tmp1 = get_bits(gb, bits);
tab0 = cb0 + tmp0*cb_len; tab0 = cb0 + tmp0 * cb_len;
tab1 = cb1 + tmp1*cb_len; tab1 = cb1 + tmp1 * cb_len;
for (j = 0; j < length; j++) for (j = 0; j < length; j++)
out[tctx->permut[ftype][pos+j]] = sign0*tab0[j] + sign1*tab1[j]; out[tctx->permut[ftype][pos + j]] = sign0 * tab0[j] +
sign1 * tab1[j];
pos += length; pos += length;
} }
} }
static inline float mulawinv(float y, float clip, float mu) static inline float mulawinv(float y, float clip, float mu)
{ {
y = av_clipf(y/clip, -1, 1); y = av_clipf(y / clip, -1, 1);
return clip * FFSIGN(y) * (exp(log(1+mu) * fabs(y)) - 1) / mu; return clip * FFSIGN(y) * (exp(log(1 + mu) * fabs(y)) - 1) / mu;
} }
/** /**
* Evaluate a*b/400 rounded to the nearest integer. When, for example, * Evaluate a * b / 400 rounded to the nearest integer. When, for example,
* a*b == 200 and the nearest integer is ill-defined, use a table to emulate * a * b == 200 and the nearest integer is ill-defined, use a table to emulate
* the following broken float-based implementation used by the binary decoder: * the following broken float-based implementation used by the binary decoder:
* *
* @code * @code
...@@ -419,30 +423,30 @@ static inline float mulawinv(float y, float clip, float mu) ...@@ -419,30 +423,30 @@ static inline float mulawinv(float y, float clip, float mu)
* { * {
* static float test; // Ugh, force gcc to do the division first... * static float test; // Ugh, force gcc to do the division first...
* *
* test = a/400.; * test = a / 400.;
* return b * test + 0.5; * return b * test + 0.5;
* } * }
* @endcode * @endcode
* *
* @note if this function is replaced by just ROUNDED_DIV(a*b,400.), the stddev * @note if this function is replaced by just ROUNDED_DIV(a * b, 400.), the
* between the original file (before encoding with Yamaha encoder) and the * stddev between the original file (before encoding with Yamaha encoder) and
* decoded output increases, which leads one to believe that the encoder expects * the decoded output increases, which leads one to believe that the encoder
* exactly this broken calculation. * expects exactly this broken calculation.
*/ */
static int very_broken_op(int a, int b) static int very_broken_op(int a, int b)
{ {
int x = a*b + 200; int x = a * b + 200;
int size; int size;
const uint8_t *rtab; const uint8_t *rtab;
if (x%400 || b%5) if (x % 400 || b % 5)
return x/400; return x / 400;
x /= 400; x /= 400;
size = tabs[b/5].size; size = tabs[b / 5].size;
rtab = tabs[b/5].tab; rtab = tabs[b / 5].tab;
return x - rtab[size*av_log2(2*(x - 1)/size)+(x - 1)%size]; return x - rtab[size * av_log2(2 * (x - 1) / size) + (x - 1) % size];
} }
/** /**
...@@ -459,42 +463,44 @@ static void add_peak(int period, int width, const float *shape, ...@@ -459,42 +463,44 @@ static void add_peak(int period, int width, const float *shape,
int center; int center;
// First peak centered around zero // First peak centered around zero
for (i = 0; i < width/2; i++) for (i = 0; i < width / 2; i++)
speech[i] += ppc_gain * *shape++; speech[i] += ppc_gain * *shape++;
for (i = 1; i < ROUNDED_DIV(len,width) ; i++) { for (i = 1; i < ROUNDED_DIV(len, width); i++) {
center = very_broken_op(period, i); center = very_broken_op(period, i);
for (j = -width/2; j < (width+1)/2; j++) for (j = -width / 2; j < (width + 1) / 2; j++)
speech[j+center] += ppc_gain * *shape++; speech[j + center] += ppc_gain * *shape++;
} }
// For the last block, be careful not to go beyond the end of the buffer // For the last block, be careful not to go beyond the end of the buffer
center = very_broken_op(period, i); center = very_broken_op(period, i);
for (j = -width/2; j < (width + 1)/2 && shape < shape_end; j++) for (j = -width / 2; j < (width + 1) / 2 && shape < shape_end; j++)
speech[j+center] += ppc_gain * *shape++; speech[j + center] += ppc_gain * *shape++;
} }
static void decode_ppc(TwinContext *tctx, int period_coef, const float *shape, static void decode_ppc(TwinContext *tctx, int period_coef, const float *shape,
float ppc_gain, float *speech) float ppc_gain, float *speech)
{ {
const ModeTab *mtab = tctx->mtab; const ModeTab *mtab = tctx->mtab;
int isampf = tctx->avctx->sample_rate/1000; int isampf = tctx->avctx->sample_rate / 1000;
int ibps = tctx->avctx->bit_rate/(1000 * tctx->avctx->channels); int ibps = tctx->avctx->bit_rate / (1000 * tctx->avctx->channels);
int min_period = ROUNDED_DIV( 40*2*mtab->size, isampf); int min_period = ROUNDED_DIV(40 * 2 * mtab->size, isampf);
int max_period = ROUNDED_DIV(6*40*2*mtab->size, isampf); int max_period = ROUNDED_DIV(40 * 2 * mtab->size * 6, isampf);
int period_range = max_period - min_period; int period_range = max_period - min_period;
// This is actually the period multiplied by 400. It is just linearly coded // This is actually the period multiplied by 400. It is just linearly coded
// between its maximum and minimum value. // between its maximum and minimum value.
int period = min_period + int period = min_period +
ROUNDED_DIV(period_coef*period_range, (1 << mtab->ppc_period_bit) - 1); ROUNDED_DIV(period_coef * period_range,
(1 << mtab->ppc_period_bit) - 1);
int width; int width;
if (isampf == 22 && ibps == 32) { if (isampf == 22 && ibps == 32) {
// For some unknown reason, NTT decided to code this case differently... // For some unknown reason, NTT decided to code this case differently...
width = ROUNDED_DIV((period + 800)* mtab->peak_per2wid, 400*mtab->size); width = ROUNDED_DIV((period + 800) * mtab->peak_per2wid,
400 * mtab->size);
} else } else
width = (period )* mtab->peak_per2wid/(400*mtab->size); width = period * mtab->peak_per2wid / (400 * mtab->size);
add_peak(period, width, shape, ppc_gain, speech, mtab->ppc_shape_len); add_peak(period, width, shape, ppc_gain, speech, mtab->ppc_shape_len);
} }
...@@ -510,23 +516,22 @@ static void dec_gain(TwinContext *tctx, GetBitContext *gb, enum FrameType ftype, ...@@ -510,23 +516,22 @@ static void dec_gain(TwinContext *tctx, GetBitContext *gb, enum FrameType ftype,
if (ftype == FT_LONG) { if (ftype == FT_LONG) {
for (i = 0; i < tctx->avctx->channels; i++) for (i = 0; i < tctx->avctx->channels; i++)
out[i] = (1./(1<<13)) * out[i] = (1. / (1 << 13)) *
mulawinv(step * 0.5 + step * get_bits(gb, GAIN_BITS), mulawinv(step * 0.5 + step * get_bits(gb, GAIN_BITS),
AMP_MAX, MULAW_MU); AMP_MAX, MULAW_MU);
} else { } else {
for (i = 0; i < tctx->avctx->channels; i++) { for (i = 0; i < tctx->avctx->channels; i++) {
float val = (1./(1<<23)) * float val = (1. / (1 << 23)) *
mulawinv(step * 0.5 + step * get_bits(gb, GAIN_BITS), mulawinv(step * 0.5 + step * get_bits(gb, GAIN_BITS),
AMP_MAX, MULAW_MU); AMP_MAX, MULAW_MU);
for (j = 0; j < sub; j++) { for (j = 0; j < sub; j++)
out[i*sub + j] = out[i * sub + j] =
val*mulawinv(sub_step* 0.5 + val * mulawinv(sub_step * 0.5 +
sub_step* get_bits(gb, SUB_GAIN_BITS), sub_step * get_bits(gb, SUB_GAIN_BITS),
SUB_AMP_MAX, MULAW_MU); SUB_AMP_MAX, MULAW_MU);
} }
} }
}
} }
/** /**
...@@ -540,11 +545,11 @@ static void rearrange_lsp(int order, float *lsp, float min_dist) ...@@ -540,11 +545,11 @@ static void rearrange_lsp(int order, float *lsp, float min_dist)
int i; int i;
float min_dist2 = min_dist * 0.5; float min_dist2 = min_dist * 0.5;
for (i = 1; i < order; i++) for (i = 1; i < order; i++)
if (lsp[i] - lsp[i-1] < min_dist) { if (lsp[i] - lsp[i - 1] < min_dist) {
float avg = (lsp[i] + lsp[i-1]) * 0.5; float avg = (lsp[i] + lsp[i - 1]) * 0.5;
lsp[i-1] = avg - min_dist2; lsp[i - 1] = avg - min_dist2;
lsp[i ] = avg + min_dist2; lsp[i] = avg + min_dist2;
} }
} }
...@@ -555,8 +560,8 @@ static void decode_lsp(TwinContext *tctx, int lpc_idx1, uint8_t *lpc_idx2, ...@@ -555,8 +560,8 @@ static void decode_lsp(TwinContext *tctx, int lpc_idx1, uint8_t *lpc_idx2,
int i, j; int i, j;
const float *cb = mtab->lspcodebook; const float *cb = mtab->lspcodebook;
const float *cb2 = cb + (1 << mtab->lsp_bit1)*mtab->n_lsp; const float *cb2 = cb + (1 << mtab->lsp_bit1) * mtab->n_lsp;
const float *cb3 = cb2 + (1 << mtab->lsp_bit2)*mtab->n_lsp; const float *cb3 = cb2 + (1 << mtab->lsp_bit2) * mtab->n_lsp;
const int8_t funny_rounding[4] = { const int8_t funny_rounding[4] = {
-2, -2,
...@@ -567,17 +572,18 @@ static void decode_lsp(TwinContext *tctx, int lpc_idx1, uint8_t *lpc_idx2, ...@@ -567,17 +572,18 @@ static void decode_lsp(TwinContext *tctx, int lpc_idx1, uint8_t *lpc_idx2,
j = 0; j = 0;
for (i = 0; i < mtab->lsp_split; i++) { for (i = 0; i < mtab->lsp_split; i++) {
int chunk_end = ((i + 1)*mtab->n_lsp + funny_rounding[i])/mtab->lsp_split; int chunk_end = ((i + 1) * mtab->n_lsp + funny_rounding[i]) /
mtab->lsp_split;
for (; j < chunk_end; j++) for (; j < chunk_end; j++)
lsp[j] = cb [lpc_idx1 * mtab->n_lsp + j] + lsp[j] = cb[lpc_idx1 * mtab->n_lsp + j] +
cb2[lpc_idx2[i] * mtab->n_lsp + j]; cb2[lpc_idx2[i] * mtab->n_lsp + j];
} }
rearrange_lsp(mtab->n_lsp, lsp, 0.0001); rearrange_lsp(mtab->n_lsp, lsp, 0.0001);
for (i = 0; i < mtab->n_lsp; i++) { for (i = 0; i < mtab->n_lsp; i++) {
float tmp1 = 1. - cb3[lpc_hist_idx*mtab->n_lsp + i]; float tmp1 = 1. - cb3[lpc_hist_idx * mtab->n_lsp + i];
float tmp2 = hist[i] * cb3[lpc_hist_idx*mtab->n_lsp + i]; float tmp2 = hist[i] * cb3[lpc_hist_idx * mtab->n_lsp + i];
hist[i] = lsp[i]; hist[i] = lsp[i];
lsp[i] = lsp[i] * tmp1 + tmp2; lsp[i] = lsp[i] * tmp1 + tmp2;
} }
...@@ -594,7 +600,7 @@ static void dec_lpc_spectrum_inv(TwinContext *tctx, float *lsp, ...@@ -594,7 +600,7 @@ static void dec_lpc_spectrum_inv(TwinContext *tctx, float *lsp,
int size = tctx->mtab->size / tctx->mtab->fmode[ftype].sub; int size = tctx->mtab->size / tctx->mtab->fmode[ftype].sub;
for (i = 0; i < tctx->mtab->n_lsp; i++) for (i = 0; i < tctx->mtab->n_lsp; i++)
lsp[i] = 2*cos(lsp[i]); lsp[i] = 2 * cos(lsp[i]);
switch (ftype) { switch (ftype) {
case FT_LONG: case FT_LONG:
...@@ -609,6 +615,8 @@ static void dec_lpc_spectrum_inv(TwinContext *tctx, float *lsp, ...@@ -609,6 +615,8 @@ static void dec_lpc_spectrum_inv(TwinContext *tctx, float *lsp,
} }
} }
static const uint8_t wtype_to_wsize[] = { 0, 0, 2, 2, 2, 1, 0, 1, 1 };
static void imdct_and_window(TwinContext *tctx, enum FrameType ftype, int wtype, static void imdct_and_window(TwinContext *tctx, enum FrameType ftype, int wtype,
float *in, float *prev, int ch) float *in, float *prev, int ch)
{ {
...@@ -617,66 +625,61 @@ static void imdct_and_window(TwinContext *tctx, enum FrameType ftype, int wtype, ...@@ -617,66 +625,61 @@ static void imdct_and_window(TwinContext *tctx, enum FrameType ftype, int wtype,
int bsize = mtab->size / mtab->fmode[ftype].sub; int bsize = mtab->size / mtab->fmode[ftype].sub;
int size = mtab->size; int size = mtab->size;
float *buf1 = tctx->tmp_buf; float *buf1 = tctx->tmp_buf;
int j; int j, first_wsize, wsize; // Window size
int wsize; // Window size float *out = tctx->curr_frame + 2 * ch * mtab->size;
float *out = tctx->curr_frame + 2*ch*mtab->size;
float *out2 = out; float *out2 = out;
float *prev_buf; float *prev_buf;
int first_wsize;
static const uint8_t wtype_to_wsize[] = {0, 0, 2, 2, 2, 1, 0, 1, 1};
int types_sizes[] = { int types_sizes[] = {
mtab->size / mtab->fmode[FT_LONG ].sub, mtab->size / mtab->fmode[FT_LONG].sub,
mtab->size / mtab->fmode[FT_MEDIUM].sub, mtab->size / mtab->fmode[FT_MEDIUM].sub,
mtab->size / (2*mtab->fmode[FT_SHORT ].sub), mtab->size / (mtab->fmode[FT_SHORT].sub * 2),
}; };
wsize = types_sizes[wtype_to_wsize[wtype]]; wsize = types_sizes[wtype_to_wsize[wtype]];
first_wsize = wsize; first_wsize = wsize;
prev_buf = prev + (size - bsize)/2; prev_buf = prev + (size - bsize) / 2;
for (j = 0; j < mtab->fmode[ftype].sub; j++) { for (j = 0; j < mtab->fmode[ftype].sub; j++) {
int sub_wtype = ftype == FT_MEDIUM ? 8 : wtype; int sub_wtype = ftype == FT_MEDIUM ? 8 : wtype;
if (!j && wtype == 4) if (!j && wtype == 4)
sub_wtype = 4; sub_wtype = 4;
else if (j == mtab->fmode[ftype].sub-1 && wtype == 7) else if (j == mtab->fmode[ftype].sub - 1 && wtype == 7)
sub_wtype = 7; sub_wtype = 7;
wsize = types_sizes[wtype_to_wsize[sub_wtype]]; wsize = types_sizes[wtype_to_wsize[sub_wtype]];
mdct->imdct_half(mdct, buf1 + bsize*j, in + bsize*j); mdct->imdct_half(mdct, buf1 + bsize * j, in + bsize * j);
tctx->fdsp.vector_fmul_window(out2, prev_buf + (bsize-wsize) / 2, tctx->fdsp.vector_fmul_window(out2, prev_buf + (bsize - wsize) / 2,
buf1 + bsize * j, buf1 + bsize * j,
ff_sine_windows[av_log2(wsize)], ff_sine_windows[av_log2(wsize)],
wsize / 2); wsize / 2);
out2 += wsize; out2 += wsize;
memcpy(out2, buf1 + bsize*j + wsize/2, (bsize - wsize/2)*sizeof(float)); memcpy(out2, buf1 + bsize * j + wsize / 2,
(bsize - wsize / 2) * sizeof(float));
out2 += ftype == FT_MEDIUM ? (bsize-wsize)/2 : bsize - wsize; out2 += ftype == FT_MEDIUM ? (bsize - wsize) / 2 : bsize - wsize;
prev_buf = buf1 + bsize*j + bsize/2; prev_buf = buf1 + bsize * j + bsize / 2;
} }
tctx->last_block_pos[ch] = (size + first_wsize)/2; tctx->last_block_pos[ch] = (size + first_wsize) / 2;
} }
static void imdct_output(TwinContext *tctx, enum FrameType ftype, int wtype, static void imdct_output(TwinContext *tctx, enum FrameType ftype, int wtype,
float **out) float **out)
{ {
const ModeTab *mtab = tctx->mtab; const ModeTab *mtab = tctx->mtab;
int size1, size2;
float *prev_buf = tctx->prev_frame + tctx->last_block_pos[0]; float *prev_buf = tctx->prev_frame + tctx->last_block_pos[0];
int i; int size1, size2, i;
for (i = 0; i < tctx->avctx->channels; i++) { for (i = 0; i < tctx->avctx->channels; i++)
imdct_and_window(tctx, ftype, wtype, imdct_and_window(tctx, ftype, wtype,
tctx->spectrum + i*mtab->size, tctx->spectrum + i * mtab->size,
prev_buf + 2*i*mtab->size, prev_buf + 2 * i * mtab->size,
i); i);
}
if (!out) if (!out)
return; return;
...@@ -684,12 +687,14 @@ static void imdct_output(TwinContext *tctx, enum FrameType ftype, int wtype, ...@@ -684,12 +687,14 @@ static void imdct_output(TwinContext *tctx, enum FrameType ftype, int wtype,
size2 = tctx->last_block_pos[0]; size2 = tctx->last_block_pos[0];
size1 = mtab->size - size2; size1 = mtab->size - size2;
memcpy(&out[0][0 ], prev_buf, size1 * sizeof(out[0][0])); memcpy(&out[0][0], prev_buf, size1 * sizeof(out[0][0]));
memcpy(&out[0][size1], tctx->curr_frame, size2 * sizeof(out[0][0])); memcpy(&out[0][size1], tctx->curr_frame, size2 * sizeof(out[0][0]));
if (tctx->avctx->channels == 2) { if (tctx->avctx->channels == 2) {
memcpy(&out[1][0], &prev_buf[2*mtab->size], size1 * sizeof(out[1][0])); memcpy(&out[1][0], &prev_buf[2 * mtab->size],
memcpy(&out[1][size1], &tctx->curr_frame[2*mtab->size], size2 * sizeof(out[1][0])); size1 * sizeof(out[1][0]));
memcpy(&out[1][size1], &tctx->curr_frame[2 * mtab->size],
size2 * sizeof(out[1][0]));
tctx->fdsp.butterflies_float(out[0], out[1], mtab->size); tctx->fdsp.butterflies_float(out[0], out[1], mtab->size);
} }
} }
...@@ -698,27 +703,27 @@ static void dec_bark_env(TwinContext *tctx, const uint8_t *in, int use_hist, ...@@ -698,27 +703,27 @@ static void dec_bark_env(TwinContext *tctx, const uint8_t *in, int use_hist,
int ch, float *out, float gain, enum FrameType ftype) int ch, float *out, float gain, enum FrameType ftype)
{ {
const ModeTab *mtab = tctx->mtab; const ModeTab *mtab = tctx->mtab;
int i,j; int i, j;
float *hist = tctx->bark_hist[ftype][ch]; float *hist = tctx->bark_hist[ftype][ch];
float val = ((const float []) {0.4, 0.35, 0.28})[ftype]; float val = ((const float []) { 0.4, 0.35, 0.28 })[ftype];
int bark_n_coef = mtab->fmode[ftype].bark_n_coef; int bark_n_coef = mtab->fmode[ftype].bark_n_coef;
int fw_cb_len = mtab->fmode[ftype].bark_env_size / bark_n_coef; int fw_cb_len = mtab->fmode[ftype].bark_env_size / bark_n_coef;
int idx = 0; int idx = 0;
for (i = 0; i < fw_cb_len; i++) for (i = 0; i < fw_cb_len; i++)
for (j = 0; j < bark_n_coef; j++, idx++) { for (j = 0; j < bark_n_coef; j++, idx++) {
float tmp2 = float tmp2 = mtab->fmode[ftype].bark_cb[fw_cb_len * in[j] + i] *
mtab->fmode[ftype].bark_cb[fw_cb_len*in[j] + i] * (1./4096); (1. / 4096);
float st = use_hist ? float st = use_hist ? (1. - val) * tmp2 + val * hist[idx] + 1.
(1. - val) * tmp2 + val*hist[idx] + 1. : tmp2 + 1.; : tmp2 + 1.;
hist[idx] = tmp2; hist[idx] = tmp2;
if (st < -1.) st = 1.; if (st < -1.)
st = 1.;
memset_float(out, st * gain, mtab->fmode[ftype].bark_tab[idx]); memset_float(out, st * gain, mtab->fmode[ftype].bark_tab[idx]);
out += mtab->fmode[ftype].bark_tab[idx]; out += mtab->fmode[ftype].bark_tab[idx];
} }
} }
static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb, static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb,
...@@ -728,7 +733,7 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb, ...@@ -728,7 +733,7 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb,
int channels = tctx->avctx->channels; int channels = tctx->avctx->channels;
int sub = mtab->fmode[ftype].sub; int sub = mtab->fmode[ftype].sub;
int block_size = mtab->size / sub; int block_size = mtab->size / sub;
float gain[CHANNELS_MAX*SUBBLOCKS_MAX]; float gain[CHANNELS_MAX * SUBBLOCKS_MAX];
float ppc_shape[PPC_SHAPE_LEN_MAX * CHANNELS_MAX * 4]; float ppc_shape[PPC_SHAPE_LEN_MAX * CHANNELS_MAX * 4];
uint8_t bark1[CHANNELS_MAX][SUBBLOCKS_MAX][BARK_N_COEF_MAX]; uint8_t bark1[CHANNELS_MAX][SUBBLOCKS_MAX][BARK_N_COEF_MAX];
uint8_t bark_use_hist[CHANNELS_MAX][SUBBLOCKS_MAX]; uint8_t bark_use_hist[CHANNELS_MAX][SUBBLOCKS_MAX];
...@@ -757,17 +762,17 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb, ...@@ -757,17 +762,17 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb,
for (i = 0; i < channels; i++) { for (i = 0; i < channels; i++) {
lpc_hist_idx[i] = get_bits(gb, tctx->mtab->lsp_bit0); lpc_hist_idx[i] = get_bits(gb, tctx->mtab->lsp_bit0);
lpc_idx1 [i] = get_bits(gb, tctx->mtab->lsp_bit1); lpc_idx1[i] = get_bits(gb, tctx->mtab->lsp_bit1);
for (j = 0; j < tctx->mtab->lsp_split; j++) for (j = 0; j < tctx->mtab->lsp_split; j++)
lpc_idx2[i][j] = get_bits(gb, tctx->mtab->lsp_bit2); lpc_idx2[i][j] = get_bits(gb, tctx->mtab->lsp_bit2);
} }
if (ftype == FT_LONG) { if (ftype == FT_LONG) {
int cb_len_p = (tctx->n_div[3] + mtab->ppc_shape_len*channels - 1)/ int cb_len_p = (tctx->n_div[3] + mtab->ppc_shape_len * channels - 1) /
tctx->n_div[3]; tctx->n_div[3];
dequant(tctx, gb, ppc_shape, FT_PPC, mtab->ppc_shape_cb, dequant(tctx, gb, ppc_shape, FT_PPC, mtab->ppc_shape_cb,
mtab->ppc_shape_cb + cb_len_p*PPC_SHAPE_CB_SIZE, cb_len_p); mtab->ppc_shape_cb + cb_len_p * PPC_SHAPE_CB_SIZE, cb_len_p);
} }
for (i = 0; i < channels; i++) { for (i = 0; i < channels; i++) {
...@@ -776,21 +781,22 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb, ...@@ -776,21 +781,22 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb,
for (j = 0; j < sub; j++) { for (j = 0; j < sub; j++) {
dec_bark_env(tctx, bark1[i][j], bark_use_hist[i][j], i, dec_bark_env(tctx, bark1[i][j], bark_use_hist[i][j], i,
tctx->tmp_buf, gain[sub*i+j], ftype); tctx->tmp_buf, gain[sub * i + j], ftype);
tctx->fdsp.vector_fmul(chunk + block_size*j, chunk + block_size*j, tctx->fdsp.vector_fmul(chunk + block_size * j,
chunk + block_size * j,
tctx->tmp_buf, block_size); tctx->tmp_buf, block_size);
} }
if (ftype == FT_LONG) { if (ftype == FT_LONG) {
float pgain_step = 25000. / ((1 << mtab->pgain_bit) - 1); float pgain_step = 25000. / ((1 << mtab->pgain_bit) - 1);
int p_coef = get_bits(gb, tctx->mtab->ppc_period_bit); int p_coef = get_bits(gb, tctx->mtab->ppc_period_bit);
int g_coef = get_bits(gb, tctx->mtab->pgain_bit); int g_coef = get_bits(gb, tctx->mtab->pgain_bit);
float v = 1./8192* float v = 1. / 8192 *
mulawinv(pgain_step*g_coef+ pgain_step/2, 25000., PGAIN_MU); mulawinv(pgain_step * g_coef + pgain_step / 2,
25000., PGAIN_MU);
decode_ppc(tctx, p_coef, ppc_shape + i*mtab->ppc_shape_len, v, decode_ppc(tctx, p_coef, ppc_shape + i * mtab->ppc_shape_len, v,
chunk); chunk);
} }
...@@ -806,7 +812,7 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb, ...@@ -806,7 +812,7 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb,
} }
} }
static int twin_decode_frame(AVCodecContext * avctx, void *data, static int twin_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt) int *got_frame_ptr, AVPacket *avpkt)
{ {
AVFrame *frame = data; AVFrame *frame = data;
...@@ -823,7 +829,7 @@ static int twin_decode_frame(AVCodecContext * avctx, void *data, ...@@ -823,7 +829,7 @@ static int twin_decode_frame(AVCodecContext * avctx, void *data,
FT_MEDIUM, FT_LONG, FT_LONG, FT_MEDIUM, FT_MEDIUM FT_MEDIUM, FT_LONG, FT_LONG, FT_MEDIUM, FT_MEDIUM
}; };
if (buf_size*8 < avctx->bit_rate*mtab->size/avctx->sample_rate + 8) { if (buf_size * 8 < avctx->bit_rate * mtab->size / avctx->sample_rate + 8) {
av_log(avctx, AV_LOG_ERROR, av_log(avctx, AV_LOG_ERROR,
"Frame too small (%d bytes). Truncated file?\n", buf_size); "Frame too small (%d bytes). Truncated file?\n", buf_size);
return AVERROR(EINVAL); return AVERROR(EINVAL);
...@@ -852,7 +858,7 @@ static int twin_decode_frame(AVCodecContext * avctx, void *data, ...@@ -852,7 +858,7 @@ static int twin_decode_frame(AVCodecContext * avctx, void *data,
imdct_output(tctx, ftype, window_type, out); imdct_output(tctx, ftype, window_type, out);
FFSWAP(float*, tctx->curr_frame, tctx->prev_frame); FFSWAP(float *, tctx->curr_frame, tctx->prev_frame);
if (tctx->discarded_packets < 2) { if (tctx->discarded_packets < 2) {
tctx->discarded_packets++; tctx->discarded_packets++;
...@@ -878,9 +884,9 @@ static av_cold int init_mdct_win(TwinContext *tctx) ...@@ -878,9 +884,9 @@ static av_cold int init_mdct_win(TwinContext *tctx)
float norm = channels == 1 ? 2. : 1.; float norm = channels == 1 ? 2. : 1.;
for (i = 0; i < 3; i++) { for (i = 0; i < 3; i++) {
int bsize = tctx->mtab->size/tctx->mtab->fmode[i].sub; int bsize = tctx->mtab->size / tctx->mtab->fmode[i].sub;
if ((ret = ff_mdct_init(&tctx->mdct_ctx[i], av_log2(bsize) + 1, 1, if ((ret = ff_mdct_init(&tctx->mdct_ctx[i], av_log2(bsize) + 1, 1,
-sqrt(norm/bsize) / (1<<15)))) -sqrt(norm / bsize) / (1 << 15))))
return ret; return ret;
} }
...@@ -898,23 +904,23 @@ static av_cold int init_mdct_win(TwinContext *tctx) ...@@ -898,23 +904,23 @@ static av_cold int init_mdct_win(TwinContext *tctx)
alloc_fail); alloc_fail);
for (i = 0; i < 3; i++) { for (i = 0; i < 3; i++) {
int m = 4*mtab->size/mtab->fmode[i].sub; int m = 4 * mtab->size / mtab->fmode[i].sub;
double freq = 2*M_PI/m; double freq = 2 * M_PI / m;
FF_ALLOC_OR_GOTO(tctx->avctx, tctx->cos_tabs[i], FF_ALLOC_OR_GOTO(tctx->avctx, tctx->cos_tabs[i],
(m / 4) * sizeof(*tctx->cos_tabs[i]), alloc_fail); (m / 4) * sizeof(*tctx->cos_tabs[i]), alloc_fail);
for (j = 0; j <= m/8; j++) for (j = 0; j <= m / 8; j++)
tctx->cos_tabs[i][j] = cos((2*j + 1)*freq); tctx->cos_tabs[i][j] = cos((2 * j + 1) * freq);
for (j = 1; j < m/8; j++) for (j = 1; j < m / 8; j++)
tctx->cos_tabs[i][m/4-j] = tctx->cos_tabs[i][j]; tctx->cos_tabs[i][m / 4 - j] = tctx->cos_tabs[i][j];
} }
ff_init_ff_sine_windows(av_log2(size_m)); ff_init_ff_sine_windows(av_log2(size_m));
ff_init_ff_sine_windows(av_log2(size_s/2)); ff_init_ff_sine_windows(av_log2(size_s / 2));
ff_init_ff_sine_windows(av_log2(mtab->size)); ff_init_ff_sine_windows(av_log2(mtab->size));
return 0; return 0;
alloc_fail: alloc_fail:
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
} }
...@@ -929,25 +935,24 @@ static void permutate_in_line(int16_t *tab, int num_vect, int num_blocks, ...@@ -929,25 +935,24 @@ static void permutate_in_line(int16_t *tab, int num_vect, int num_blocks,
int block_size, int block_size,
const uint8_t line_len[2], int length_div, const uint8_t line_len[2], int length_div,
enum FrameType ftype) enum FrameType ftype)
{ {
int i,j; int i, j;
for (i = 0; i < line_len[0]; i++) { for (i = 0; i < line_len[0]; i++) {
int shift; int shift;
if (num_blocks == 1 || if (num_blocks == 1 ||
(ftype == FT_LONG && num_vect % num_blocks) || (ftype == FT_LONG && num_vect % num_blocks) ||
(ftype != FT_LONG && num_vect & 1 ) || (ftype != FT_LONG && num_vect & 1) ||
i == line_len[1]) { i == line_len[1]) {
shift = 0; shift = 0;
} else if (ftype == FT_LONG) { } else if (ftype == FT_LONG) {
shift = i; shift = i;
} else } else
shift = i*i; shift = i * i;
for (j = 0; j < num_vect && (j+num_vect*i < block_size*num_blocks); j++) for (j = 0; j < num_vect && (j + num_vect * i < block_size * num_blocks); j++)
tab[i*num_vect+j] = i*num_vect + (j + shift) % num_vect; tab[i * num_vect + j] = i * num_vect + (j + shift) % num_vect;
} }
} }
...@@ -969,28 +974,29 @@ static void permutate_in_line(int16_t *tab, int num_vect, int num_blocks, ...@@ -969,28 +974,29 @@ static void permutate_in_line(int16_t *tab, int num_vect, int num_blocks,
static void transpose_perm(int16_t *out, int16_t *in, int num_vect, static void transpose_perm(int16_t *out, int16_t *in, int num_vect,
const uint8_t line_len[2], int length_div) const uint8_t line_len[2], int length_div)
{ {
int i,j; int i, j;
int cont= 0; int cont = 0;
for (i = 0; i < num_vect; i++) for (i = 0; i < num_vect; i++)
for (j = 0; j < line_len[i >= length_div]; j++) for (j = 0; j < line_len[i >= length_div]; j++)
out[cont++] = in[j*num_vect + i]; out[cont++] = in[j * num_vect + i];
} }
static void linear_perm(int16_t *out, int16_t *in, int n_blocks, int size) static void linear_perm(int16_t *out, int16_t *in, int n_blocks, int size)
{ {
int block_size = size/n_blocks; int block_size = size / n_blocks;
int i; int i;
for (i = 0; i < size; i++) for (i = 0; i < size; i++)
out[i] = block_size * (in[i] % n_blocks) + in[i] / n_blocks; out[i] = block_size * (in[i] % n_blocks) + in[i] / n_blocks;
} }
static av_cold void construct_perm_table(TwinContext *tctx,enum FrameType ftype) static av_cold void construct_perm_table(TwinContext *tctx,
enum FrameType ftype)
{ {
int block_size; int block_size, size;
const ModeTab *mtab = tctx->mtab; const ModeTab *mtab = tctx->mtab;
int size; int16_t *tmp_perm = (int16_t *)tctx->tmp_buf;
int16_t *tmp_perm = (int16_t *) tctx->tmp_buf;
if (ftype == FT_PPC) { if (ftype == FT_PPC) {
size = tctx->avctx->channels; size = tctx->avctx->channels;
...@@ -1008,44 +1014,42 @@ static av_cold void construct_perm_table(TwinContext *tctx,enum FrameType ftype) ...@@ -1008,44 +1014,42 @@ static av_cold void construct_perm_table(TwinContext *tctx,enum FrameType ftype)
tctx->length[ftype], tctx->length_change[ftype]); tctx->length[ftype], tctx->length_change[ftype]);
linear_perm(tctx->permut[ftype], tctx->permut[ftype], size, linear_perm(tctx->permut[ftype], tctx->permut[ftype], size,
size*block_size); size * block_size);
} }
static av_cold void init_bitstream_params(TwinContext *tctx) static av_cold void init_bitstream_params(TwinContext *tctx)
{ {
const ModeTab *mtab = tctx->mtab; const ModeTab *mtab = tctx->mtab;
int n_ch = tctx->avctx->channels; int n_ch = tctx->avctx->channels;
int total_fr_bits = tctx->avctx->bit_rate*mtab->size/ int total_fr_bits = tctx->avctx->bit_rate * mtab->size /
tctx->avctx->sample_rate; tctx->avctx->sample_rate;
int lsp_bits_per_block = n_ch*(mtab->lsp_bit0 + mtab->lsp_bit1 + int lsp_bits_per_block = n_ch * (mtab->lsp_bit0 + mtab->lsp_bit1 +
mtab->lsp_split*mtab->lsp_bit2); mtab->lsp_split * mtab->lsp_bit2);
int ppc_bits = n_ch*(mtab->pgain_bit + mtab->ppc_shape_bit + int ppc_bits = n_ch * (mtab->pgain_bit + mtab->ppc_shape_bit +
mtab->ppc_period_bit); mtab->ppc_period_bit);
int bsize_no_main_cb[3]; int bsize_no_main_cb[3], bse_bits[3], i;
int bse_bits[3];
int i;
enum FrameType frametype; enum FrameType frametype;
for (i = 0; i < 3; i++) for (i = 0; i < 3; i++)
// +1 for history usage switch // +1 for history usage switch
bse_bits[i] = n_ch * bse_bits[i] = n_ch *
(mtab->fmode[i].bark_n_coef * mtab->fmode[i].bark_n_bit + 1); (mtab->fmode[i].bark_n_coef *
mtab->fmode[i].bark_n_bit + 1);
bsize_no_main_cb[2] = bse_bits[2] + lsp_bits_per_block + ppc_bits + bsize_no_main_cb[2] = bse_bits[2] + lsp_bits_per_block + ppc_bits +
WINDOW_TYPE_BITS + n_ch*GAIN_BITS; WINDOW_TYPE_BITS + n_ch * GAIN_BITS;
for (i = 0; i < 2; i++) for (i = 0; i < 2; i++)
bsize_no_main_cb[i] = bsize_no_main_cb[i] =
lsp_bits_per_block + n_ch*GAIN_BITS + WINDOW_TYPE_BITS + lsp_bits_per_block + n_ch * GAIN_BITS + WINDOW_TYPE_BITS +
mtab->fmode[i].sub*(bse_bits[i] + n_ch*SUB_GAIN_BITS); mtab->fmode[i].sub * (bse_bits[i] + n_ch * SUB_GAIN_BITS);
// The remaining bits are all used for the main spectrum coefficients // The remaining bits are all used for the main spectrum coefficients
for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
int bit_size; int bit_size, vect_size;
int vect_size;
int rounded_up, rounded_down, num_rounded_down, num_rounded_up; int rounded_up, rounded_down, num_rounded_down, num_rounded_up;
if (i == 3) { if (i == 3) {
bit_size = n_ch * mtab->ppc_shape_bit; bit_size = n_ch * mtab->ppc_shape_bit;
...@@ -1057,18 +1061,20 @@ static av_cold void init_bitstream_params(TwinContext *tctx) ...@@ -1057,18 +1061,20 @@ static av_cold void init_bitstream_params(TwinContext *tctx)
tctx->n_div[i] = (bit_size + 13) / 14; tctx->n_div[i] = (bit_size + 13) / 14;
rounded_up = (bit_size + tctx->n_div[i] - 1)/tctx->n_div[i]; rounded_up = (bit_size + tctx->n_div[i] - 1) /
rounded_down = (bit_size )/tctx->n_div[i]; tctx->n_div[i];
rounded_down = (bit_size) / tctx->n_div[i];
num_rounded_down = rounded_up * tctx->n_div[i] - bit_size; num_rounded_down = rounded_up * tctx->n_div[i] - bit_size;
num_rounded_up = tctx->n_div[i] - num_rounded_down; num_rounded_up = tctx->n_div[i] - num_rounded_down;
tctx->bits_main_spec[0][i][0] = (rounded_up + 1)/2; tctx->bits_main_spec[0][i][0] = (rounded_up + 1) / 2;
tctx->bits_main_spec[1][i][0] = (rounded_up )/2; tctx->bits_main_spec[1][i][0] = rounded_up / 2;
tctx->bits_main_spec[0][i][1] = (rounded_down + 1)/2; tctx->bits_main_spec[0][i][1] = (rounded_down + 1) / 2;
tctx->bits_main_spec[1][i][1] = (rounded_down )/2; tctx->bits_main_spec[1][i][1] = rounded_down / 2;
tctx->bits_main_spec_change[i] = num_rounded_up; tctx->bits_main_spec_change[i] = num_rounded_up;
rounded_up = (vect_size + tctx->n_div[i] - 1)/tctx->n_div[i]; rounded_up = (vect_size + tctx->n_div[i] - 1) /
rounded_down = (vect_size )/tctx->n_div[i]; tctx->n_div[i];
rounded_down = (vect_size) / tctx->n_div[i];
num_rounded_down = rounded_up * tctx->n_div[i] - vect_size; num_rounded_down = rounded_up * tctx->n_div[i] - vect_size;
num_rounded_up = tctx->n_div[i] - num_rounded_down; num_rounded_up = tctx->n_div[i] - num_rounded_down;
tctx->length[i][0] = rounded_up; tctx->length[i][0] = rounded_up;
...@@ -1090,7 +1096,6 @@ static av_cold int twin_decode_close(AVCodecContext *avctx) ...@@ -1090,7 +1096,6 @@ static av_cold int twin_decode_close(AVCodecContext *avctx)
av_free(tctx->cos_tabs[i]); av_free(tctx->cos_tabs[i]);
} }
av_free(tctx->curr_frame); av_free(tctx->curr_frame);
av_free(tctx->spectrum); av_free(tctx->spectrum);
av_free(tctx->prev_frame); av_free(tctx->prev_frame);
...@@ -1101,9 +1106,8 @@ static av_cold int twin_decode_close(AVCodecContext *avctx) ...@@ -1101,9 +1106,8 @@ static av_cold int twin_decode_close(AVCodecContext *avctx)
static av_cold int twin_decode_init(AVCodecContext *avctx) static av_cold int twin_decode_init(AVCodecContext *avctx)
{ {
int ret; int ret, isampf, ibps;
TwinContext *tctx = avctx->priv_data; TwinContext *tctx = avctx->priv_data;
int isampf, ibps;
tctx->avctx = avctx; tctx->avctx = avctx;
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP; avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
...@@ -1112,7 +1116,7 @@ static av_cold int twin_decode_init(AVCodecContext *avctx) ...@@ -1112,7 +1116,7 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Missing or incomplete extradata\n"); av_log(avctx, AV_LOG_ERROR, "Missing or incomplete extradata\n");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
avctx->channels = AV_RB32(avctx->extradata ) + 1; avctx->channels = AV_RB32(avctx->extradata) + 1;
avctx->bit_rate = AV_RB32(avctx->extradata + 4) * 1000; avctx->bit_rate = AV_RB32(avctx->extradata + 4) * 1000;
isampf = AV_RB32(avctx->extradata + 8); isampf = AV_RB32(avctx->extradata + 8);
...@@ -1121,10 +1125,18 @@ static av_cold int twin_decode_init(AVCodecContext *avctx) ...@@ -1121,10 +1125,18 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
switch (isampf) { switch (isampf) {
case 44: avctx->sample_rate = 44100; break; case 44:
case 22: avctx->sample_rate = 22050; break; avctx->sample_rate = 44100;
case 11: avctx->sample_rate = 11025; break; break;
default: avctx->sample_rate = isampf * 1000; break; case 22:
avctx->sample_rate = 22050;
break;
case 11:
avctx->sample_rate = 11025;
break;
default:
avctx->sample_rate = isampf * 1000;
break;
} }
if (avctx->channels <= 0 || avctx->channels > CHANNELS_MAX) { if (avctx->channels <= 0 || avctx->channels > CHANNELS_MAX) {
...@@ -1132,8 +1144,8 @@ static av_cold int twin_decode_init(AVCodecContext *avctx) ...@@ -1132,8 +1144,8 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
avctx->channels); avctx->channels);
return -1; return -1;
} }
avctx->channel_layout = avctx->channels == 1 ? AV_CH_LAYOUT_MONO : avctx->channel_layout = avctx->channels == 1 ? AV_CH_LAYOUT_MONO
AV_CH_LAYOUT_STEREO; : AV_CH_LAYOUT_STEREO;
ibps = avctx->bit_rate / (1000 * avctx->channels); ibps = avctx->bit_rate / (1000 * avctx->channels);
...@@ -1143,17 +1155,37 @@ static av_cold int twin_decode_init(AVCodecContext *avctx) ...@@ -1143,17 +1155,37 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
} }
switch ((isampf << 8) + ibps) { switch ((isampf << 8) + ibps) {
case (8 <<8) + 8: tctx->mtab = &mode_08_08; break; case (8 << 8) + 8:
case (11<<8) + 8: tctx->mtab = &mode_11_08; break; tctx->mtab = &mode_08_08;
case (11<<8) + 10: tctx->mtab = &mode_11_10; break; break;
case (16<<8) + 16: tctx->mtab = &mode_16_16; break; case (11 << 8) + 8:
case (22<<8) + 20: tctx->mtab = &mode_22_20; break; tctx->mtab = &mode_11_08;
case (22<<8) + 24: tctx->mtab = &mode_22_24; break; break;
case (22<<8) + 32: tctx->mtab = &mode_22_32; break; case (11 << 8) + 10:
case (44<<8) + 40: tctx->mtab = &mode_44_40; break; tctx->mtab = &mode_11_10;
case (44<<8) + 48: tctx->mtab = &mode_44_48; break; break;
case (16 << 8) + 16:
tctx->mtab = &mode_16_16;
break;
case (22 << 8) + 20:
tctx->mtab = &mode_22_20;
break;
case (22 << 8) + 24:
tctx->mtab = &mode_22_24;
break;
case (22 << 8) + 32:
tctx->mtab = &mode_22_32;
break;
case (44 << 8) + 40:
tctx->mtab = &mode_44_40;
break;
case (44 << 8) + 48:
tctx->mtab = &mode_44_48;
break;
default: default:
av_log(avctx, AV_LOG_ERROR, "This version does not support %d kHz - %d kbit/s/ch mode.\n", isampf, isampf); av_log(avctx, AV_LOG_ERROR,
"This version does not support %d kHz - %d kbit/s/ch mode.\n",
isampf, isampf);
return -1; return -1;
} }
......
libavcodec/twinvq_data.h
View file @ e28fabb4
...@@ -127,7 +127,6 @@ static const uint16_t bark_tab_s44_128[] = { ...@@ -127,7 +127,6 @@ static const uint16_t bark_tab_s44_128[] = {
1, 2, 1, 2, 3, 4, 6, 10, 23, 76 1, 2, 1, 2, 3, 4, 6, 10, 23, 76
}; };
/** /**
* TwinVQ codebooks. They are coded in a struct so we can use code such as * TwinVQ codebooks. They are coded in a struct so we can use code such as
* *
...@@ -10991,147 +10990,155 @@ static const struct twinvq_data { ...@@ -10991,147 +10990,155 @@ static const struct twinvq_data {
}, },
}; };
static const uint8_t tab7[][35] = { static const uint8_t tab7[][35] = {
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0}, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
{0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0}, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1,
{0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, 0, 0, 0 },
{0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0}, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
{0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0}, 0, 0, 0 },
{0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
{0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0}, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
{0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1}, 0, 0, 0 },
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0}, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
{0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0} 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0 },
{ 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0 },
{ 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0 },
{ 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0,
0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0,
1, 0, 1 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0 }
}; };
static const uint8_t tab8[][5] = { static const uint8_t tab8[][5] = {
{0, 0, 0, 1, 1}, { 0, 0, 0, 1, 1 },
{0, 1, 0, 0, 1}, { 0, 1, 0, 0, 1 },
{1, 1, 0, 0, 0}, { 1, 1, 0, 0, 0 },
{1, 0, 0, 1, 0}, { 1, 0, 0, 1, 0 },
{0, 0, 0, 1, 1}, { 0, 0, 0, 1, 1 },
{0, 1, 0, 0, 1}, { 0, 1, 0, 0, 1 },
{1, 1, 0, 0, 0}, { 1, 1, 0, 0, 0 },
{1, 0, 0, 1, 0}, { 1, 0, 0, 1, 0 },
{0, 0, 0, 1, 1}, { 0, 0, 0, 1, 1 },
{0, 1, 0, 0, 1}, { 0, 1, 0, 0, 1 },
{1, 1, 0, 0, 0}, { 1, 1, 0, 0, 0 },
{0, 0, 0, 0, 0}, { 0, 0, 0, 0, 0 },
{0, 1, 0, 1, 0} { 0, 1, 0, 1, 0 }
}; };
static const uint8_t tab9[][45] = { static const uint8_t tab9[][45] = {
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
},{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
},{ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
},{ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
},{ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
},{ 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, { 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 },
},{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
},{
0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
},{
0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1,
1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0
},{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}
}; };
static const uint8_t tab10[][25] = static const uint8_t tab10[][25] = {
{ { 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0,
{1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0}, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0 },
{1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0}, { 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0,
{1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0}, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0 },
{1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0}, { 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0,
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0 },
{0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1}, { 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
{0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1}, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0 },
{1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0}, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
{0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1} 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1,
0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 },
{ 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1,
0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1 },
{ 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1,
0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0 },
{ 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0,
0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1 }
}; };
static const uint8_t tab11[][55] = { static const uint8_t tab11[][55] = {
{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },
},{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
},{
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, },
},{ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}, {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
{ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
},{ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, },
},{ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
},{ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
},{ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, }
}
}; };
static const uint8_t tab12[][15] = { static const uint8_t tab12[][15] = {
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0}, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0 },
{0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0}, { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 },
{0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, { 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0}, { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0}, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0 },
{0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0}, { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 },
{0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, { 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0}, { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0}, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0 },
{0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0}, { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 },
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1}, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1 },
}; };
static const struct { static const struct {
int size; int size;
const uint8_t *tab; const uint8_t *tab;
} tabs[] = { } tabs[] = {
{0 , NULL}, { 0, NULL },
{5 , &tab8 [0][0]},{5 , &tab8 [0][0]}, {15, &tab12[0][0]}, { 5, &tab8[0][0] }, { 5, &tab8[0][0] }, { 15, &tab12[0][0] },
{5 , &tab8 [0][0]},{25, &tab10[0][0]}, {15, &tab12[0][0]}, { 5, &tab8[0][0] }, { 25, &tab10[0][0] }, { 15, &tab12[0][0] },
{35, &tab7 [0][0]},{5 , &tab8 [0][0]}, {45, &tab9 [0][0]}, { 35, &tab7[0][0] }, { 5, &tab8[0][0] }, { 45, &tab9[0][0] },
{25, &tab10[0][0]},{55, &tab11[0][0]}, {15, &tab12[0][0]} { 25, &tab10[0][0] }, { 55, &tab11[0][0] }, { 15, &tab12[0][0] }
}; };
#endif /* AVCODEC_TWINVQ_DATA_H */ #endif /* AVCODEC_TWINVQ_DATA_H */
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