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Merge commit '6c145ecf785dc3d26ba3fed3ea9892cc80244625'
* commit '6c145ecf785dc3d26ba3fed3ea9892cc80244625': twinvq: K&R formatting cosmetics Conflicts: libavcodec/twinvq.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
e28fabb4cb
@ -19,6 +19,9 @@
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <math.h>
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#include <stdint.h>
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#include "libavutil/channel_layout.h"
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#include "libavutil/float_dsp.h"
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#include "avcodec.h"
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@ -27,10 +30,6 @@
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#include "internal.h"
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#include "lsp.h"
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#include "sinewin.h"
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#include <math.h>
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#include <stdint.h>
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#include "twinvq_data.h"
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enum FrameType {
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@ -95,83 +94,83 @@ typedef struct {
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static const ModeTab mode_08_08 = {
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{
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{ 8, bark_tab_s08_64, 10, tab.fcb08s , 1, 5, tab.cb0808s0, tab.cb0808s1, 18},
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{ 2, bark_tab_m08_256, 20, tab.fcb08m , 2, 5, tab.cb0808m0, tab.cb0808m1, 16},
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{ 1, bark_tab_l08_512, 30, tab.fcb08l , 3, 6, tab.cb0808l0, tab.cb0808l1, 17}
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{ 8, bark_tab_s08_64, 10, tab.fcb08s, 1, 5, tab.cb0808s0, tab.cb0808s1, 18 },
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{ 2, bark_tab_m08_256, 20, tab.fcb08m, 2, 5, tab.cb0808m0, tab.cb0808m1, 16 },
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{ 1, bark_tab_l08_512, 30, tab.fcb08l, 3, 6, tab.cb0808l0, tab.cb0808l1, 17 }
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},
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512 , 12, tab.lsp08, 1, 5, 3, 3, tab.shape08 , 8, 28, 20, 6, 40
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512, 12, tab.lsp08, 1, 5, 3, 3, tab.shape08, 8, 28, 20, 6, 40
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};
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static const ModeTab mode_11_08 = {
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{
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{ 8, bark_tab_s11_64, 10, tab.fcb11s , 1, 5, tab.cb1108s0, tab.cb1108s1, 29},
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{ 2, bark_tab_m11_256, 20, tab.fcb11m , 2, 5, tab.cb1108m0, tab.cb1108m1, 24},
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{ 1, bark_tab_l11_512, 30, tab.fcb11l , 3, 6, tab.cb1108l0, tab.cb1108l1, 27}
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{ 8, bark_tab_s11_64, 10, tab.fcb11s, 1, 5, tab.cb1108s0, tab.cb1108s1, 29 },
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{ 2, bark_tab_m11_256, 20, tab.fcb11m, 2, 5, tab.cb1108m0, tab.cb1108m1, 24 },
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{ 1, bark_tab_l11_512, 30, tab.fcb11l, 3, 6, tab.cb1108l0, tab.cb1108l1, 27 }
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},
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512 , 16, tab.lsp11, 1, 6, 4, 3, tab.shape11 , 9, 36, 30, 7, 90
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512, 16, tab.lsp11, 1, 6, 4, 3, tab.shape11, 9, 36, 30, 7, 90
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};
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static const ModeTab mode_11_10 = {
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{
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{ 8, bark_tab_s11_64, 10, tab.fcb11s , 1, 5, tab.cb1110s0, tab.cb1110s1, 21},
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{ 2, bark_tab_m11_256, 20, tab.fcb11m , 2, 5, tab.cb1110m0, tab.cb1110m1, 18},
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{ 1, bark_tab_l11_512, 30, tab.fcb11l , 3, 6, tab.cb1110l0, tab.cb1110l1, 20}
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{ 8, bark_tab_s11_64, 10, tab.fcb11s, 1, 5, tab.cb1110s0, tab.cb1110s1, 21 },
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{ 2, bark_tab_m11_256, 20, tab.fcb11m, 2, 5, tab.cb1110m0, tab.cb1110m1, 18 },
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{ 1, bark_tab_l11_512, 30, tab.fcb11l, 3, 6, tab.cb1110l0, tab.cb1110l1, 20 }
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},
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512 , 16, tab.lsp11, 1, 6, 4, 3, tab.shape11 , 9, 36, 30, 7, 90
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512, 16, tab.lsp11, 1, 6, 4, 3, tab.shape11, 9, 36, 30, 7, 90
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};
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static const ModeTab mode_16_16 = {
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{
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{ 8, bark_tab_s16_128, 10, tab.fcb16s , 1, 5, tab.cb1616s0, tab.cb1616s1, 16},
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{ 2, bark_tab_m16_512, 20, tab.fcb16m , 2, 5, tab.cb1616m0, tab.cb1616m1, 15},
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{ 1, bark_tab_l16_1024,30, tab.fcb16l , 3, 6, tab.cb1616l0, tab.cb1616l1, 16}
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{ 8, bark_tab_s16_128, 10, tab.fcb16s, 1, 5, tab.cb1616s0, tab.cb1616s1, 16 },
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{ 2, bark_tab_m16_512, 20, tab.fcb16m, 2, 5, tab.cb1616m0, tab.cb1616m1, 15 },
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{ 1, bark_tab_l16_1024, 30, tab.fcb16l, 3, 6, tab.cb1616l0, tab.cb1616l1, 16 }
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},
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1024, 16, tab.lsp16, 1, 6, 4, 3, tab.shape16 , 9, 56, 60, 7, 180
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1024, 16, tab.lsp16, 1, 6, 4, 3, tab.shape16, 9, 56, 60, 7, 180
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};
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static const ModeTab mode_22_20 = {
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{
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{ 8, bark_tab_s22_128, 10, tab.fcb22s_1, 1, 6, tab.cb2220s0, tab.cb2220s1, 18},
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{ 2, bark_tab_m22_512, 20, tab.fcb22m_1, 2, 6, tab.cb2220m0, tab.cb2220m1, 17},
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{ 1, bark_tab_l22_1024,32, tab.fcb22l_1, 4, 6, tab.cb2220l0, tab.cb2220l1, 18}
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{ 8, bark_tab_s22_128, 10, tab.fcb22s_1, 1, 6, tab.cb2220s0, tab.cb2220s1, 18 },
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{ 2, bark_tab_m22_512, 20, tab.fcb22m_1, 2, 6, tab.cb2220m0, tab.cb2220m1, 17 },
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{ 1, bark_tab_l22_1024, 32, tab.fcb22l_1, 4, 6, tab.cb2220l0, tab.cb2220l1, 18 }
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},
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1024, 16, tab.lsp22_1, 1, 6, 4, 3, tab.shape22_1, 9, 56, 36, 7, 144
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};
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static const ModeTab mode_22_24 = {
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{
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{ 8, bark_tab_s22_128, 10, tab.fcb22s_1, 1, 6, tab.cb2224s0, tab.cb2224s1, 15},
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{ 2, bark_tab_m22_512, 20, tab.fcb22m_1, 2, 6, tab.cb2224m0, tab.cb2224m1, 14},
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{ 1, bark_tab_l22_1024,32, tab.fcb22l_1, 4, 6, tab.cb2224l0, tab.cb2224l1, 15}
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{ 8, bark_tab_s22_128, 10, tab.fcb22s_1, 1, 6, tab.cb2224s0, tab.cb2224s1, 15 },
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{ 2, bark_tab_m22_512, 20, tab.fcb22m_1, 2, 6, tab.cb2224m0, tab.cb2224m1, 14 },
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{ 1, bark_tab_l22_1024, 32, tab.fcb22l_1, 4, 6, tab.cb2224l0, tab.cb2224l1, 15 }
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},
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1024, 16, tab.lsp22_1, 1, 6, 4, 3, tab.shape22_1, 9, 56, 36, 7, 144
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};
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static const ModeTab mode_22_32 = {
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{
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{ 4, bark_tab_s22_128, 10, tab.fcb22s_2, 1, 6, tab.cb2232s0, tab.cb2232s1, 11},
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{ 2, bark_tab_m22_256, 20, tab.fcb22m_2, 2, 6, tab.cb2232m0, tab.cb2232m1, 11},
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{ 1, bark_tab_l22_512, 32, tab.fcb22l_2, 4, 6, tab.cb2232l0, tab.cb2232l1, 12}
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{ 4, bark_tab_s22_128, 10, tab.fcb22s_2, 1, 6, tab.cb2232s0, tab.cb2232s1, 11 },
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{ 2, bark_tab_m22_256, 20, tab.fcb22m_2, 2, 6, tab.cb2232m0, tab.cb2232m1, 11 },
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{ 1, bark_tab_l22_512, 32, tab.fcb22l_2, 4, 6, tab.cb2232l0, tab.cb2232l1, 12 }
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},
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512 , 16, tab.lsp22_2, 1, 6, 4, 4, tab.shape22_2, 9, 56, 36, 7, 72
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512, 16, tab.lsp22_2, 1, 6, 4, 4, tab.shape22_2, 9, 56, 36, 7, 72
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};
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static const ModeTab mode_44_40 = {
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{
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{16, bark_tab_s44_128, 10, tab.fcb44s , 1, 6, tab.cb4440s0, tab.cb4440s1, 18},
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{ 4, bark_tab_m44_512, 20, tab.fcb44m , 2, 6, tab.cb4440m0, tab.cb4440m1, 17},
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{ 1, bark_tab_l44_2048,40, tab.fcb44l , 4, 6, tab.cb4440l0, tab.cb4440l1, 17}
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{ 16, bark_tab_s44_128, 10, tab.fcb44s, 1, 6, tab.cb4440s0, tab.cb4440s1, 18 },
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{ 4, bark_tab_m44_512, 20, tab.fcb44m, 2, 6, tab.cb4440m0, tab.cb4440m1, 17 },
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{ 1, bark_tab_l44_2048, 40, tab.fcb44l, 4, 6, tab.cb4440l0, tab.cb4440l1, 17 }
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},
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2048, 20, tab.lsp44, 1, 6, 4, 4, tab.shape44 , 9, 84, 54, 7, 432
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2048, 20, tab.lsp44, 1, 6, 4, 4, tab.shape44, 9, 84, 54, 7, 432
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};
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static const ModeTab mode_44_48 = {
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{
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{16, bark_tab_s44_128, 10, tab.fcb44s , 1, 6, tab.cb4448s0, tab.cb4448s1, 15},
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{ 4, bark_tab_m44_512, 20, tab.fcb44m , 2, 6, tab.cb4448m0, tab.cb4448m1, 14},
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{ 1, bark_tab_l44_2048,40, tab.fcb44l , 4, 6, tab.cb4448l0, tab.cb4448l1, 14}
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{ 16, bark_tab_s44_128, 10, tab.fcb44s, 1, 6, tab.cb4448s0, tab.cb4448s1, 15 },
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{ 4, bark_tab_m44_512, 20, tab.fcb44m, 2, 6, tab.cb4448m0, tab.cb4448m1, 14 },
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{ 1, bark_tab_l44_2048, 40, tab.fcb44l, 4, 6, tab.cb4448l0, tab.cb4448l1, 14 }
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},
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2048, 20, tab.lsp44, 1, 6, 4, 4, tab.shape44 , 9, 84, 54, 7, 432
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2048, 20, tab.lsp44, 1, 6, 4, 4, tab.shape44, 9, 84, 54, 7, 432
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};
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typedef struct TwinContext {
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@ -244,15 +243,15 @@ static float eval_lpc_spectrum(const float *lsp, float cos_val, int order)
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int j;
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float p = 0.5f;
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float q = 0.5f;
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float two_cos_w = 2.0f*cos_val;
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float two_cos_w = 2.0f * cos_val;
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for (j = 0; j + 1 < order; j += 2*2) {
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for (j = 0; j + 1 < order; j += 2 * 2) {
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// Unroll the loop once since order is a multiple of four
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q *= lsp[j ] - two_cos_w;
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p *= lsp[j+1] - two_cos_w;
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q *= lsp[j] - two_cos_w;
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p *= lsp[j + 1] - two_cos_w;
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q *= lsp[j+2] - two_cos_w;
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p *= lsp[j+3] - two_cos_w;
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q *= lsp[j + 2] - two_cos_w;
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p *= lsp[j + 3] - two_cos_w;
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}
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p *= p * (2.0f - two_cos_w);
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@ -270,17 +269,17 @@ static void eval_lpcenv(TwinContext *tctx, const float *cos_vals, float *lpc)
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const ModeTab *mtab = tctx->mtab;
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int size_s = mtab->size / mtab->fmode[FT_SHORT].sub;
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for (i = 0; i < size_s/2; i++) {
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for (i = 0; i < size_s / 2; i++) {
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float cos_i = tctx->cos_tabs[0][i];
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lpc[i] = eval_lpc_spectrum(cos_vals, cos_i, mtab->n_lsp);
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lpc[size_s-i-1] = eval_lpc_spectrum(cos_vals, -cos_i, mtab->n_lsp);
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lpc[size_s - i - 1] = eval_lpc_spectrum(cos_vals, -cos_i, mtab->n_lsp);
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}
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}
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static void interpolate(float *out, float v1, float v2, int size)
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{
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int i;
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float step = (v1 - v2)/(size + 1);
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float step = (v1 - v2) / (size + 1);
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for (i = 0; i < size; i++) {
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v2 += step;
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@ -290,8 +289,8 @@ static void interpolate(float *out, float v1, float v2, int size)
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static inline float get_cos(int idx, int part, const float *cos_tab, int size)
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{
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return part ? -cos_tab[size - idx - 1] :
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cos_tab[ idx ];
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return part ? -cos_tab[size - idx - 1]
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: cos_tab[idx];
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}
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/**
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@ -305,7 +304,7 @@ static inline float get_cos(int idx, int part, const float *cos_tab, int size)
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* @param step the size of a block "siiiibiiii"
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* @param in the cosinus of the LSP data
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* @param part is 0 for 0...PI (positive cossinus values) and 1 for PI...2PI
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(negative cossinus values)
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* (negative cossinus values)
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* @param size the size of the whole output
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*/
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static inline void eval_lpcenv_or_interp(TwinContext *tctx,
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@ -325,33 +324,38 @@ static inline void eval_lpcenv_or_interp(TwinContext *tctx,
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mtab->n_lsp);
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// Fill the 'iiiibiiii'
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for (i = step; i <= size - 2*step; i += step) {
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if (out[i + step] + out[i - step] > 1.95*out[i] ||
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for (i = step; i <= size - 2 * step; i += step) {
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if (out[i + step] + out[i - step] > 1.95 * out[i] ||
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out[i + step] >= out[i - step]) {
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interpolate(out + i - step + 1, out[i], out[i-step], step - 1);
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interpolate(out + i - step + 1, out[i], out[i - step], step - 1);
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} else {
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out[i - step/2] =
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out[i - step / 2] =
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eval_lpc_spectrum(in,
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get_cos(i-step/2, part, cos_tab, size),
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get_cos(i - step / 2, part, cos_tab, size),
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mtab->n_lsp);
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interpolate(out + i - step + 1, out[i-step/2], out[i-step ], step/2 - 1);
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interpolate(out + i - step/2 + 1, out[i ], out[i-step/2], step/2 - 1);
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interpolate(out + i - step + 1, out[i - step / 2],
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out[i - step], step / 2 - 1);
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interpolate(out + i - step / 2 + 1, out[i],
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out[i - step / 2], step / 2 - 1);
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}
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}
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interpolate(out + size - 2*step + 1, out[size-step], out[size - 2*step], step - 1);
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interpolate(out + size - 2 * step + 1, out[size - step],
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out[size - 2 * step], step - 1);
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}
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static void eval_lpcenv_2parts(TwinContext *tctx, enum FrameType ftype,
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const float *buf, float *lpc,
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int size, int step)
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{
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eval_lpcenv_or_interp(tctx, ftype, lpc , buf, size/2, step, 0);
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eval_lpcenv_or_interp(tctx, ftype, lpc + size/2, buf, size/2, 2*step, 1);
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eval_lpcenv_or_interp(tctx, ftype, lpc, buf, size / 2, step, 0);
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eval_lpcenv_or_interp(tctx, ftype, lpc + size / 2, buf, size / 2,
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2 * step, 1);
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interpolate(lpc+size/2-step+1, lpc[size/2], lpc[size/2-step], step);
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interpolate(lpc + size / 2 - step + 1, lpc[size / 2],
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lpc[size / 2 - step], step);
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memset_float(lpc + size - 2*step + 1, lpc[size - 2*step], 2*step - 1);
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memset_float(lpc + size - 2 * step + 1, lpc[size - 2 * step], 2 * step - 1);
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}
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/**
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@ -392,26 +396,26 @@ static void dequant(TwinContext *tctx, GetBitContext *gb, float *out,
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}
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tmp1 = get_bits(gb, bits);
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tab0 = cb0 + tmp0*cb_len;
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tab1 = cb1 + tmp1*cb_len;
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tab0 = cb0 + tmp0 * cb_len;
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tab1 = cb1 + tmp1 * cb_len;
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for (j = 0; j < length; j++)
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out[tctx->permut[ftype][pos+j]] = sign0*tab0[j] + sign1*tab1[j];
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out[tctx->permut[ftype][pos + j]] = sign0 * tab0[j] +
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sign1 * tab1[j];
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pos += length;
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}
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}
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static inline float mulawinv(float y, float clip, float mu)
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{
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y = av_clipf(y/clip, -1, 1);
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return clip * FFSIGN(y) * (exp(log(1+mu) * fabs(y)) - 1) / mu;
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y = av_clipf(y / clip, -1, 1);
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return clip * FFSIGN(y) * (exp(log(1 + mu) * fabs(y)) - 1) / mu;
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}
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/**
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* Evaluate a*b/400 rounded to the nearest integer. When, for example,
|
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* a*b == 200 and the nearest integer is ill-defined, use a table to emulate
|
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* Evaluate a * b / 400 rounded to the nearest integer. When, for example,
|
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* a * b == 200 and the nearest integer is ill-defined, use a table to emulate
|
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* the following broken float-based implementation used by the binary decoder:
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*
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* @code
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@ -419,30 +423,30 @@ static inline float mulawinv(float y, float clip, float mu)
|
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* {
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* static float test; // Ugh, force gcc to do the division first...
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*
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* test = a/400.;
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* test = a / 400.;
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* return b * test + 0.5;
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* }
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* @endcode
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*
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* @note if this function is replaced by just ROUNDED_DIV(a*b,400.), the stddev
|
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* between the original file (before encoding with Yamaha encoder) and the
|
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* decoded output increases, which leads one to believe that the encoder expects
|
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* exactly this broken calculation.
|
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* @note if this function is replaced by just ROUNDED_DIV(a * b, 400.), the
|
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* stddev between the original file (before encoding with Yamaha encoder) and
|
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* the decoded output increases, which leads one to believe that the encoder
|
||||
* expects exactly this broken calculation.
|
||||
*/
|
||||
static int very_broken_op(int a, int b)
|
||||
{
|
||||
int x = a*b + 200;
|
||||
int x = a * b + 200;
|
||||
int size;
|
||||
const uint8_t *rtab;
|
||||
|
||||
if (x%400 || b%5)
|
||||
return x/400;
|
||||
if (x % 400 || b % 5)
|
||||
return x / 400;
|
||||
|
||||
x /= 400;
|
||||
|
||||
size = tabs[b/5].size;
|
||||
rtab = tabs[b/5].tab;
|
||||
return x - rtab[size*av_log2(2*(x - 1)/size)+(x - 1)%size];
|
||||
size = tabs[b / 5].size;
|
||||
rtab = tabs[b / 5].tab;
|
||||
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,
|
||||
int center;
|
||||
|
||||
// First peak centered around zero
|
||||
for (i = 0; i < width/2; i++)
|
||||
for (i = 0; i < width / 2; i++)
|
||||
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);
|
||||
for (j = -width/2; j < (width+1)/2; j++)
|
||||
speech[j+center] += ppc_gain * *shape++;
|
||||
for (j = -width / 2; j < (width + 1) / 2; j++)
|
||||
speech[j + center] += ppc_gain * *shape++;
|
||||
}
|
||||
|
||||
// For the last block, be careful not to go beyond the end of the buffer
|
||||
center = very_broken_op(period, i);
|
||||
for (j = -width/2; j < (width + 1)/2 && shape < shape_end; j++)
|
||||
speech[j+center] += ppc_gain * *shape++;
|
||||
for (j = -width / 2; j < (width + 1) / 2 && shape < shape_end; j++)
|
||||
speech[j + center] += ppc_gain * *shape++;
|
||||
}
|
||||
|
||||
static void decode_ppc(TwinContext *tctx, int period_coef, const float *shape,
|
||||
float ppc_gain, float *speech)
|
||||
{
|
||||
const ModeTab *mtab = tctx->mtab;
|
||||
int isampf = tctx->avctx->sample_rate/1000;
|
||||
int ibps = tctx->avctx->bit_rate/(1000 * tctx->avctx->channels);
|
||||
int min_period = ROUNDED_DIV( 40*2*mtab->size, isampf);
|
||||
int max_period = ROUNDED_DIV(6*40*2*mtab->size, isampf);
|
||||
int isampf = tctx->avctx->sample_rate / 1000;
|
||||
int ibps = tctx->avctx->bit_rate / (1000 * tctx->avctx->channels);
|
||||
int min_period = ROUNDED_DIV(40 * 2 * mtab->size, isampf);
|
||||
int max_period = ROUNDED_DIV(40 * 2 * mtab->size * 6, isampf);
|
||||
int period_range = max_period - min_period;
|
||||
|
||||
// This is actually the period multiplied by 400. It is just linearly coded
|
||||
// between its maximum and minimum value.
|
||||
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;
|
||||
|
||||
if (isampf == 22 && ibps == 32) {
|
||||
// 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
|
||||
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);
|
||||
}
|
||||
@ -510,23 +516,22 @@ static void dec_gain(TwinContext *tctx, GetBitContext *gb, enum FrameType ftype,
|
||||
|
||||
if (ftype == FT_LONG) {
|
||||
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),
|
||||
AMP_MAX, MULAW_MU);
|
||||
} else {
|
||||
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),
|
||||
AMP_MAX, MULAW_MU);
|
||||
|
||||
for (j = 0; j < sub; j++) {
|
||||
out[i*sub + j] =
|
||||
val*mulawinv(sub_step* 0.5 +
|
||||
sub_step* get_bits(gb, SUB_GAIN_BITS),
|
||||
for (j = 0; j < sub; j++)
|
||||
out[i * sub + j] =
|
||||
val * mulawinv(sub_step * 0.5 +
|
||||
sub_step * get_bits(gb, SUB_GAIN_BITS),
|
||||
SUB_AMP_MAX, MULAW_MU);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
@ -540,11 +545,11 @@ static void rearrange_lsp(int order, float *lsp, float min_dist)
|
||||
int i;
|
||||
float min_dist2 = min_dist * 0.5;
|
||||
for (i = 1; i < order; i++)
|
||||
if (lsp[i] - lsp[i-1] < min_dist) {
|
||||
float avg = (lsp[i] + lsp[i-1]) * 0.5;
|
||||
if (lsp[i] - lsp[i - 1] < min_dist) {
|
||||
float avg = (lsp[i] + lsp[i - 1]) * 0.5;
|
||||
|
||||
lsp[i-1] = avg - min_dist2;
|
||||
lsp[i ] = avg + min_dist2;
|
||||
lsp[i - 1] = 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,
|
||||
int i, j;
|
||||
|
||||
const float *cb = mtab->lspcodebook;
|
||||
const float *cb2 = cb + (1 << mtab->lsp_bit1)*mtab->n_lsp;
|
||||
const float *cb3 = cb2 + (1 << mtab->lsp_bit2)*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 int8_t funny_rounding[4] = {
|
||||
-2,
|
||||
@ -567,17 +572,18 @@ static void decode_lsp(TwinContext *tctx, int lpc_idx1, uint8_t *lpc_idx2,
|
||||
|
||||
j = 0;
|
||||
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++)
|
||||
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];
|
||||
}
|
||||
|
||||
rearrange_lsp(mtab->n_lsp, lsp, 0.0001);
|
||||
|
||||
for (i = 0; i < 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 tmp1 = 1. - cb3[lpc_hist_idx * mtab->n_lsp + i];
|
||||
float tmp2 = hist[i] * cb3[lpc_hist_idx * mtab->n_lsp + i];
|
||||
hist[i] = lsp[i];
|
||||
lsp[i] = lsp[i] * tmp1 + tmp2;
|
||||
}
|
||||
@ -594,7 +600,7 @@ static void dec_lpc_spectrum_inv(TwinContext *tctx, float *lsp,
|
||||
int size = tctx->mtab->size / tctx->mtab->fmode[ftype].sub;
|
||||
|
||||
for (i = 0; i < tctx->mtab->n_lsp; i++)
|
||||
lsp[i] = 2*cos(lsp[i]);
|
||||
lsp[i] = 2 * cos(lsp[i]);
|
||||
|
||||
switch (ftype) {
|
||||
case FT_LONG:
|
||||
@ -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,
|
||||
float *in, float *prev, int ch)
|
||||
{
|
||||
@ -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 size = mtab->size;
|
||||
float *buf1 = tctx->tmp_buf;
|
||||
int j;
|
||||
int wsize; // Window size
|
||||
float *out = tctx->curr_frame + 2*ch*mtab->size;
|
||||
int j, first_wsize, wsize; // Window size
|
||||
float *out = tctx->curr_frame + 2 * ch * mtab->size;
|
||||
float *out2 = out;
|
||||
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[] = {
|
||||
mtab->size / mtab->fmode[FT_LONG ].sub,
|
||||
mtab->size / mtab->fmode[FT_LONG].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]];
|
||||
first_wsize = wsize;
|
||||
prev_buf = prev + (size - bsize)/2;
|
||||
prev_buf = prev + (size - bsize) / 2;
|
||||
|
||||
for (j = 0; j < mtab->fmode[ftype].sub; j++) {
|
||||
int sub_wtype = ftype == FT_MEDIUM ? 8 : wtype;
|
||||
|
||||
if (!j && 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;
|
||||
|
||||
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,
|
||||
ff_sine_windows[av_log2(wsize)],
|
||||
wsize / 2);
|
||||
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,
|
||||
float **out)
|
||||
{
|
||||
const ModeTab *mtab = tctx->mtab;
|
||||
int size1, size2;
|
||||
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,
|
||||
tctx->spectrum + i*mtab->size,
|
||||
prev_buf + 2*i*mtab->size,
|
||||
tctx->spectrum + i * mtab->size,
|
||||
prev_buf + 2 * i * mtab->size,
|
||||
i);
|
||||
}
|
||||
|
||||
if (!out)
|
||||
return;
|
||||
@ -684,12 +687,14 @@ static void imdct_output(TwinContext *tctx, enum FrameType ftype, int wtype,
|
||||
size2 = tctx->last_block_pos[0];
|
||||
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]));
|
||||
|
||||
if (tctx->avctx->channels == 2) {
|
||||
memcpy(&out[1][0], &prev_buf[2*mtab->size], size1 * sizeof(out[1][0]));
|
||||
memcpy(&out[1][size1], &tctx->curr_frame[2*mtab->size], size2 * sizeof(out[1][0]));
|
||||
memcpy(&out[1][0], &prev_buf[2 * mtab->size],
|
||||
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);
|
||||
}
|
||||
}
|
||||
@ -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)
|
||||
{
|
||||
const ModeTab *mtab = tctx->mtab;
|
||||
int i,j;
|
||||
int i, j;
|
||||
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 fw_cb_len = mtab->fmode[ftype].bark_env_size / bark_n_coef;
|
||||
int idx = 0;
|
||||
|
||||
for (i = 0; i < fw_cb_len; i++)
|
||||
for (j = 0; j < bark_n_coef; j++, idx++) {
|
||||
float tmp2 =
|
||||
mtab->fmode[ftype].bark_cb[fw_cb_len*in[j] + i] * (1./4096);
|
||||
float st = use_hist ?
|
||||
(1. - val) * tmp2 + val*hist[idx] + 1. : tmp2 + 1.;
|
||||
float tmp2 = mtab->fmode[ftype].bark_cb[fw_cb_len * in[j] + i] *
|
||||
(1. / 4096);
|
||||
float st = use_hist ? (1. - val) * tmp2 + val * hist[idx] + 1.
|
||||
: tmp2 + 1.;
|
||||
|
||||
hist[idx] = tmp2;
|
||||
if (st < -1.) st = 1.;
|
||||
if (st < -1.)
|
||||
st = 1.;
|
||||
|
||||
memset_float(out, st * gain, mtab->fmode[ftype].bark_tab[idx]);
|
||||
out += mtab->fmode[ftype].bark_tab[idx];
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
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 sub = mtab->fmode[ftype].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];
|
||||
uint8_t bark1[CHANNELS_MAX][SUBBLOCKS_MAX][BARK_N_COEF_MAX];
|
||||
uint8_t bark_use_hist[CHANNELS_MAX][SUBBLOCKS_MAX];
|
||||
@ -757,17 +762,17 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb,
|
||||
|
||||
for (i = 0; i < channels; i++) {
|
||||
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++)
|
||||
lpc_idx2[i][j] = get_bits(gb, tctx->mtab->lsp_bit2);
|
||||
}
|
||||
|
||||
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];
|
||||
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++) {
|
||||
@ -776,21 +781,22 @@ static void read_and_decode_spectrum(TwinContext *tctx, GetBitContext *gb,
|
||||
|
||||
for (j = 0; j < sub; j++) {
|
||||
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);
|
||||
|
||||
}
|
||||
|
||||
if (ftype == FT_LONG) {
|
||||
float pgain_step = 25000. / ((1 << mtab->pgain_bit) - 1);
|
||||
int p_coef = get_bits(gb, tctx->mtab->ppc_period_bit);
|
||||
int g_coef = get_bits(gb, tctx->mtab->pgain_bit);
|
||||
float v = 1./8192*
|
||||
mulawinv(pgain_step*g_coef+ pgain_step/2, 25000., PGAIN_MU);
|
||||
float v = 1. / 8192 *
|
||||
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);
|
||||
}
|
||||
|
||||
@ -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)
|
||||
{
|
||||
AVFrame *frame = data;
|
||||
@ -823,7 +829,7 @@ static int twin_decode_frame(AVCodecContext * avctx, void *data,
|
||||
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,
|
||||
"Frame too small (%d bytes). Truncated file?\n", buf_size);
|
||||
return AVERROR(EINVAL);
|
||||
@ -852,7 +858,7 @@ static int twin_decode_frame(AVCodecContext * avctx, void *data,
|
||||
|
||||
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) {
|
||||
tctx->discarded_packets++;
|
||||
@ -878,9 +884,9 @@ static av_cold int init_mdct_win(TwinContext *tctx)
|
||||
float norm = channels == 1 ? 2. : 1.;
|
||||
|
||||
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,
|
||||
-sqrt(norm/bsize) / (1<<15))))
|
||||
-sqrt(norm / bsize) / (1 << 15))))
|
||||
return ret;
|
||||
}
|
||||
|
||||
@ -898,23 +904,23 @@ static av_cold int init_mdct_win(TwinContext *tctx)
|
||||
alloc_fail);
|
||||
|
||||
for (i = 0; i < 3; i++) {
|
||||
int m = 4*mtab->size/mtab->fmode[i].sub;
|
||||
double freq = 2*M_PI/m;
|
||||
int m = 4 * mtab->size / mtab->fmode[i].sub;
|
||||
double freq = 2 * M_PI / m;
|
||||
FF_ALLOC_OR_GOTO(tctx->avctx, tctx->cos_tabs[i],
|
||||
(m / 4) * sizeof(*tctx->cos_tabs[i]), alloc_fail);
|
||||
|
||||
for (j = 0; j <= m/8; j++)
|
||||
tctx->cos_tabs[i][j] = cos((2*j + 1)*freq);
|
||||
for (j = 1; j < m/8; j++)
|
||||
tctx->cos_tabs[i][m/4-j] = tctx->cos_tabs[i][j];
|
||||
for (j = 0; j <= m / 8; j++)
|
||||
tctx->cos_tabs[i][j] = cos((2 * j + 1) * freq);
|
||||
for (j = 1; j < m / 8; 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_s/2));
|
||||
ff_init_ff_sine_windows(av_log2(size_s / 2));
|
||||
ff_init_ff_sine_windows(av_log2(mtab->size));
|
||||
|
||||
return 0;
|
||||
|
||||
alloc_fail:
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
@ -929,25 +935,24 @@ static void permutate_in_line(int16_t *tab, int num_vect, int num_blocks,
|
||||
int block_size,
|
||||
const uint8_t line_len[2], int length_div,
|
||||
enum FrameType ftype)
|
||||
|
||||
{
|
||||
int i,j;
|
||||
int i, j;
|
||||
|
||||
for (i = 0; i < line_len[0]; i++) {
|
||||
int shift;
|
||||
|
||||
if (num_blocks == 1 ||
|
||||
(ftype == FT_LONG && num_vect % num_blocks) ||
|
||||
(ftype != FT_LONG && num_vect & 1 ) ||
|
||||
(ftype != FT_LONG && num_vect & 1) ||
|
||||
i == line_len[1]) {
|
||||
shift = 0;
|
||||
} else if (ftype == FT_LONG) {
|
||||
shift = i;
|
||||
} else
|
||||
shift = i*i;
|
||||
shift = i * i;
|
||||
|
||||
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;
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
@ -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,
|
||||
const uint8_t line_len[2], int length_div)
|
||||
{
|
||||
int i,j;
|
||||
int cont= 0;
|
||||
int i, j;
|
||||
int cont = 0;
|
||||
|
||||
for (i = 0; i < num_vect; i++)
|
||||
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)
|
||||
{
|
||||
int block_size = size/n_blocks;
|
||||
int block_size = size / n_blocks;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < size; i++)
|
||||
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;
|
||||
int size;
|
||||
int16_t *tmp_perm = (int16_t *) tctx->tmp_buf;
|
||||
int16_t *tmp_perm = (int16_t *)tctx->tmp_buf;
|
||||
|
||||
if (ftype == FT_PPC) {
|
||||
size = tctx->avctx->channels;
|
||||
@ -1008,44 +1014,42 @@ static av_cold void construct_perm_table(TwinContext *tctx,enum FrameType ftype)
|
||||
tctx->length[ftype], tctx->length_change[ftype]);
|
||||
|
||||
linear_perm(tctx->permut[ftype], tctx->permut[ftype], size,
|
||||
size*block_size);
|
||||
size * block_size);
|
||||
}
|
||||
|
||||
static av_cold void init_bitstream_params(TwinContext *tctx)
|
||||
{
|
||||
const ModeTab *mtab = tctx->mtab;
|
||||
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;
|
||||
|
||||
int lsp_bits_per_block = n_ch*(mtab->lsp_bit0 + mtab->lsp_bit1 +
|
||||
mtab->lsp_split*mtab->lsp_bit2);
|
||||
int lsp_bits_per_block = n_ch * (mtab->lsp_bit0 + mtab->lsp_bit1 +
|
||||
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);
|
||||
|
||||
int bsize_no_main_cb[3];
|
||||
int bse_bits[3];
|
||||
int i;
|
||||
int bsize_no_main_cb[3], bse_bits[3], i;
|
||||
enum FrameType frametype;
|
||||
|
||||
for (i = 0; i < 3; i++)
|
||||
// +1 for history usage switch
|
||||
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 +
|
||||
WINDOW_TYPE_BITS + n_ch*GAIN_BITS;
|
||||
WINDOW_TYPE_BITS + n_ch * GAIN_BITS;
|
||||
|
||||
for (i = 0; i < 2; i++)
|
||||
bsize_no_main_cb[i] =
|
||||
lsp_bits_per_block + n_ch*GAIN_BITS + WINDOW_TYPE_BITS +
|
||||
mtab->fmode[i].sub*(bse_bits[i] + n_ch*SUB_GAIN_BITS);
|
||||
lsp_bits_per_block + n_ch * GAIN_BITS + WINDOW_TYPE_BITS +
|
||||
mtab->fmode[i].sub * (bse_bits[i] + n_ch * SUB_GAIN_BITS);
|
||||
|
||||
// The remaining bits are all used for the main spectrum coefficients
|
||||
for (i = 0; i < 4; i++) {
|
||||
int bit_size;
|
||||
int vect_size;
|
||||
int bit_size, vect_size;
|
||||
int rounded_up, rounded_down, num_rounded_down, num_rounded_up;
|
||||
if (i == 3) {
|
||||
bit_size = n_ch * mtab->ppc_shape_bit;
|
||||
@ -1057,18 +1061,20 @@ static av_cold void init_bitstream_params(TwinContext *tctx)
|
||||
|
||||
tctx->n_div[i] = (bit_size + 13) / 14;
|
||||
|
||||
rounded_up = (bit_size + tctx->n_div[i] - 1)/tctx->n_div[i];
|
||||
rounded_down = (bit_size )/tctx->n_div[i];
|
||||
rounded_up = (bit_size + tctx->n_div[i] - 1) /
|
||||
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_up = tctx->n_div[i] - num_rounded_down;
|
||||
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[0][i][1] = (rounded_down + 1)/2;
|
||||
tctx->bits_main_spec[1][i][1] = (rounded_down )/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[0][i][1] = (rounded_down + 1) / 2;
|
||||
tctx->bits_main_spec[1][i][1] = rounded_down / 2;
|
||||
tctx->bits_main_spec_change[i] = num_rounded_up;
|
||||
|
||||
rounded_up = (vect_size + tctx->n_div[i] - 1)/tctx->n_div[i];
|
||||
rounded_down = (vect_size )/tctx->n_div[i];
|
||||
rounded_up = (vect_size + tctx->n_div[i] - 1) /
|
||||
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_up = tctx->n_div[i] - num_rounded_down;
|
||||
tctx->length[i][0] = rounded_up;
|
||||
@ -1090,7 +1096,6 @@ static av_cold int twin_decode_close(AVCodecContext *avctx)
|
||||
av_free(tctx->cos_tabs[i]);
|
||||
}
|
||||
|
||||
|
||||
av_free(tctx->curr_frame);
|
||||
av_free(tctx->spectrum);
|
||||
av_free(tctx->prev_frame);
|
||||
@ -1101,9 +1106,8 @@ static av_cold int twin_decode_close(AVCodecContext *avctx)
|
||||
|
||||
static av_cold int twin_decode_init(AVCodecContext *avctx)
|
||||
{
|
||||
int ret;
|
||||
int ret, isampf, ibps;
|
||||
TwinContext *tctx = avctx->priv_data;
|
||||
int isampf, ibps;
|
||||
|
||||
tctx->avctx = avctx;
|
||||
avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
|
||||
@ -1112,7 +1116,7 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
|
||||
av_log(avctx, AV_LOG_ERROR, "Missing or incomplete extradata\n");
|
||||
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;
|
||||
isampf = AV_RB32(avctx->extradata + 8);
|
||||
|
||||
@ -1121,10 +1125,18 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
switch (isampf) {
|
||||
case 44: avctx->sample_rate = 44100; break;
|
||||
case 22: avctx->sample_rate = 22050; break;
|
||||
case 11: avctx->sample_rate = 11025; break;
|
||||
default: avctx->sample_rate = isampf * 1000; break;
|
||||
case 44:
|
||||
avctx->sample_rate = 44100;
|
||||
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) {
|
||||
@ -1132,8 +1144,8 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
|
||||
avctx->channels);
|
||||
return -1;
|
||||
}
|
||||
avctx->channel_layout = avctx->channels == 1 ? AV_CH_LAYOUT_MONO :
|
||||
AV_CH_LAYOUT_STEREO;
|
||||
avctx->channel_layout = avctx->channels == 1 ? AV_CH_LAYOUT_MONO
|
||||
: AV_CH_LAYOUT_STEREO;
|
||||
|
||||
ibps = avctx->bit_rate / (1000 * avctx->channels);
|
||||
|
||||
@ -1143,17 +1155,37 @@ static av_cold int twin_decode_init(AVCodecContext *avctx)
|
||||
}
|
||||
|
||||
switch ((isampf << 8) + ibps) {
|
||||
case (8 <<8) + 8: tctx->mtab = &mode_08_08; break;
|
||||
case (11<<8) + 8: tctx->mtab = &mode_11_08; break;
|
||||
case (11<<8) + 10: tctx->mtab = &mode_11_10; 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;
|
||||
case (8 << 8) + 8:
|
||||
tctx->mtab = &mode_08_08;
|
||||
break;
|
||||
case (11 << 8) + 8:
|
||||
tctx->mtab = &mode_11_08;
|
||||
break;
|
||||
case (11 << 8) + 10:
|
||||
tctx->mtab = &mode_11_10;
|
||||
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:
|
||||
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;
|
||||
}
|
||||
|
||||
|
||||
@ -127,7 +127,6 @@ static const uint16_t bark_tab_s44_128[] = {
|
||||
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
|
||||
*
|
||||
@ -10991,147 +10990,155 @@ static const struct twinvq_data {
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
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},
|
||||
{0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0},
|
||||
{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},
|
||||
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0},
|
||||
{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}
|
||||
{ 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, 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] = {
|
||||
{0, 0, 0, 1, 1},
|
||||
{0, 1, 0, 0, 1},
|
||||
{1, 1, 0, 0, 0},
|
||||
{1, 0, 0, 1, 0},
|
||||
{0, 0, 0, 1, 1},
|
||||
{0, 1, 0, 0, 1},
|
||||
{1, 1, 0, 0, 0},
|
||||
{1, 0, 0, 1, 0},
|
||||
{0, 0, 0, 1, 1},
|
||||
{0, 1, 0, 0, 1},
|
||||
{1, 1, 0, 0, 0},
|
||||
{0, 0, 0, 0, 0},
|
||||
{0, 1, 0, 1, 0}
|
||||
{ 0, 0, 0, 1, 1 },
|
||||
{ 0, 1, 0, 0, 1 },
|
||||
{ 1, 1, 0, 0, 0 },
|
||||
{ 1, 0, 0, 1, 0 },
|
||||
{ 0, 0, 0, 1, 1 },
|
||||
{ 0, 1, 0, 0, 1 },
|
||||
{ 1, 1, 0, 0, 0 },
|
||||
{ 1, 0, 0, 1, 0 },
|
||||
{ 0, 0, 0, 1, 1 },
|
||||
{ 0, 1, 0, 0, 1 },
|
||||
{ 1, 1, 0, 0, 0 },
|
||||
{ 0, 0, 0, 0, 0 },
|
||||
{ 0, 1, 0, 1, 0 }
|
||||
};
|
||||
|
||||
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, 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, 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, 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, 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, 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, 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
|
||||
}
|
||||
{ 0, 0, 0, 0, 0, 0, 0, 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, 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, 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, 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, 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, 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, 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] =
|
||||
{
|
||||
{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},
|
||||
{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, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 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},
|
||||
{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, 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 tab10[][25] = {
|
||||
{ 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 },
|
||||
{ 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, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0,
|
||||
0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 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 },
|
||||
{ 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, 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] = {
|
||||
{
|
||||
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 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, 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, 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] = {
|
||||
{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},
|
||||
{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, 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, 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, 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, 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 },
|
||||
{ 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, 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, 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, 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 },
|
||||
};
|
||||
|
||||
static const struct {
|
||||
int size;
|
||||
const uint8_t *tab;
|
||||
} tabs[] = {
|
||||
{0 , NULL},
|
||||
{5 , &tab8 [0][0]},{5 , &tab8 [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]},
|
||||
{25, &tab10[0][0]},{55, &tab11[0][0]}, {15, &tab12[0][0]}
|
||||
{ 0, NULL },
|
||||
{ 5, &tab8[0][0] }, { 5, &tab8[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] },
|
||||
{ 25, &tab10[0][0] }, { 55, &tab11[0][0] }, { 15, &tab12[0][0] }
|
||||
};
|
||||
|
||||
#endif /* AVCODEC_TWINVQ_DATA_H */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user