int ff_wma_init(AVCodecContext * avctx, int flags2)
{
    WMACodecContext *s = avctx->priv_data;
    int i;
    float *window;
    float bps1, high_freq;
    volatile float bps;
    int sample_rate1;
    int coef_vlc_table;
    s->sample_rate = avctx->sample_rate;
    s->nb_channels = avctx->channels;
    s->bit_rate = avctx->bit_rate;
    s->block_align = avctx->block_align;
    dsputil_init(&s->dsp, avctx);
    if (avctx->codec->id == CODEC_ID_WMAV1) {
        s->version = 1;
    } else {
        s->version = 2;
    }
    /* compute MDCT block size */
    if (s->sample_rate <= 16000) {
        s->frame_len_bits = 9;
    } else if (s->sample_rate <= 22050 ||
               (s->sample_rate <= 32000 && s->version == 1)) {
        s->frame_len_bits = 10;
    } else {
        s->frame_len_bits = 11;
    }
    s->frame_len = 1 << s->frame_len_bits;
    if (s->use_variable_block_len) {
        int nb_max, nb;
        nb = ((flags2 >> 3) & 3) + 1;
        if ((s->bit_rate / s->nb_channels) >= 32000)
            nb += 2;
        nb_max = s->frame_len_bits - BLOCK_MIN_BITS;
        if (nb > nb_max)
            nb = nb_max;
        s->nb_block_sizes = nb + 1;
    } else {
        s->nb_block_sizes = 1;
    }
    /* init rate dependent parameters */
    s->use_noise_coding = 1;
    high_freq = s->sample_rate * 0.5;
    /* if version 2, then the rates are normalized */
    sample_rate1 = s->sample_rate;
    if (s->version == 2) {
        if (sample_rate1 >= 44100)
            sample_rate1 = 44100;
        else if (sample_rate1 >= 22050)
            sample_rate1 = 22050;
        else if (sample_rate1 >= 16000)
            sample_rate1 = 16000;
        else if (sample_rate1 >= 11025)
            sample_rate1 = 11025;
        else if (sample_rate1 >= 8000)
            sample_rate1 = 8000;
    }
    bps = (float)s->bit_rate / (float)(s->nb_channels * s->sample_rate);
    s->byte_offset_bits = av_log2((int)(bps * s->frame_len / 8.0 + 0.5)) + 2;
    /* compute high frequency value and choose if noise coding should
       be activated */
    bps1 = bps;
    if (s->nb_channels == 2)
        bps1 = bps * 1.6;
    if (sample_rate1 == 44100) {
        if (bps1 >= 0.61)
            s->use_noise_coding = 0;
        else
            high_freq = high_freq * 0.4;
    } else if (sample_rate1 == 22050) {
        if (bps1 >= 1.16)
            s->use_noise_coding = 0;
        else if (bps1 >= 0.72)
            high_freq = high_freq * 0.7;
        else
            high_freq = high_freq * 0.6;
    } else if (sample_rate1 == 16000) {
        if (bps > 0.5)
            high_freq = high_freq * 0.5;
        else
            high_freq = high_freq * 0.3;
    } else if (sample_rate1 == 11025) {
        high_freq = high_freq * 0.7;
    } else if (sample_rate1 == 8000) {
        if (bps <= 0.625) {
            high_freq = high_freq * 0.5;
        } else if (bps > 0.75) {
            s->use_noise_coding = 0;
        } else {
            high_freq = high_freq * 0.65;
        }
    } else {
        if (bps >= 0.8) {
            high_freq = high_freq * 0.75;
        } else if (bps >= 0.6) {
            high_freq = high_freq * 0.6;
        } else {
            high_freq = high_freq * 0.5;
        }
    }
    dprintf(s->avctx, "flags2=0x%x\n", flags2);
    dprintf(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\n",
           s->version, s->nb_channels, s->sample_rate, s->bit_rate,
           s->block_align);
    dprintf(s->avctx, "bps=%f bps1=%f high_freq=%f bitoffset=%d\n",
           bps, bps1, high_freq, s->byte_offset_bits);
    dprintf(s->avctx, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\n",
           s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes);
    /* compute the scale factor band sizes for each MDCT block size */
    {
        int a, b, pos, lpos, k, block_len, i, j, n;
        const uint8_t *table;
        if (s->version == 1) {
            s->coefs_start = 3;
        } else {
            s->coefs_start = 0;
        }
        for(k = 0; k < s->nb_block_sizes; k++) {
            block_len = s->frame_len >> k;
            if (s->version == 1) {
                lpos = 0;
                for(i=0;i<25;i++) {
                    a = wma_critical_freqs[i];
                    b = s->sample_rate;
                    pos = ((block_len * 2 * a)  + (b >> 1)) / b;
                    if (pos > block_len)
                        pos = block_len;
                    s->exponent_bands[0][i] = pos - lpos;
                    if (pos >= block_len) {
                        i++;
                        break;
                    }
                    lpos = pos;
                }
                s->exponent_sizes[0] = i;
            } else {
                /* hardcoded tables */
                table = NULL;
                a = s->frame_len_bits - BLOCK_MIN_BITS - k;
                if (a < 3) {
                    if (s->sample_rate >= 44100)
                        table = exponent_band_44100[a];
                    else if (s->sample_rate >= 32000)
                        table = exponent_band_32000[a];
                    else if (s->sample_rate >= 22050)
                        table = exponent_band_22050[a];
                }
                if (table) {
                    n = *table++;
                    for(i=0;i<n;i++)
                        s->exponent_bands[k][i] = table[i];
                    s->exponent_sizes[k] = n;
                } else {
                    j = 0;
                    lpos = 0;
                    for(i=0;i<25;i++) {
                        a = wma_critical_freqs[i];
                        b = s->sample_rate;
                        pos = ((block_len * 2 * a)  + (b << 1)) / (4 * b);
                        pos <<= 2;
                        if (pos > block_len)
                            pos = block_len;
                        if (pos > lpos)
                            s->exponent_bands[k][j++] = pos - lpos;
                        if (pos >= block_len)
                            break;
                        lpos = pos;
                    }
                    s->exponent_sizes[k] = j;
                }
            }
            /* max number of coefs */
            s->coefs_end[k] = (s->frame_len - ((s->frame_len * 9) / 100)) >> k;
            /* high freq computation */
            s->high_band_start[k] = (int)((block_len * 2 * high_freq) /
                                          s->sample_rate + 0.5);
            n = s->exponent_sizes[k];
            j = 0;
            pos = 0;
            for(i=0;i<n;i++) {
                int start, end;
                start = pos;
                pos += s->exponent_bands[k][i];
                end = pos;
                if (start < s->high_band_start[k])
                    start = s->high_band_start[k];
                if (end > s->coefs_end[k])
                    end = s->coefs_end[k];
                if (end > start)
                    s->exponent_high_bands[k][j++] = end - start;
            }
            s->exponent_high_sizes[k] = j;
#if 0
            tprintf(s->avctx, "%5d: coefs_end=%d high_band_start=%d nb_high_bands=%d: ",
                  s->frame_len >> k,
                  s->coefs_end[k],
                  s->high_band_start[k],
                  s->exponent_high_sizes[k]);
            for(j=0;j<s->exponent_high_sizes[k];j++)
                tprintf(s->avctx, " %d", s->exponent_high_bands[k][j]);
            tprintf(s->avctx, "\n");
#endif
        }
    }
#ifdef TRACE
    {
        int i, j;
        for(i = 0; i < s->nb_block_sizes; i++) {
            tprintf(s->avctx, "%5d: n=%2d:",
                   s->frame_len >> i,
                   s->exponent_sizes[i]);
            for(j=0;j<s->exponent_sizes[i];j++)
                tprintf(s->avctx, " %d", s->exponent_bands[i][j]);
            tprintf(s->avctx, "\n");
        }
    }
#endif
    /* init MDCT windows : simple sinus window */
    for(i = 0; i < s->nb_block_sizes; i++) {
        int n, j;
        float alpha;
        n = 1 << (s->frame_len_bits - i);
        window = av_malloc(sizeof(float) * n);
        alpha = M_PI / (2.0 * n);
        for(j=0;j<n;j++) {
            window[j] = sin((j + 0.5) * alpha);
        }
        s->windows[i] = window;
    }
    s->reset_block_lengths = 1;
    if (s->use_noise_coding) {
        /* init the noise generator */
        if (s->use_exp_vlc)
            s->noise_mult = 0.02;
        else
            s->noise_mult = 0.04;
#ifdef TRACE
        for(i=0;i<NOISE_TAB_SIZE;i++)
            s->noise_table[i] = 1.0 * s->noise_mult;
#else
        {
            unsigned int seed;
            float norm;
            seed = 1;
            norm = (1.0 / (float)(1LL << 31)) * sqrt(3) * s->noise_mult;
            for(i=0;i<NOISE_TAB_SIZE;i++) {
                seed = seed * 314159 + 1;
                s->noise_table[i] = (float)((int)seed) * norm;
            }
        }
#endif
    }
    /* choose the VLC tables for the coefficients */
    coef_vlc_table = 2;
    if (s->sample_rate >= 32000) {
        if (bps1 < 0.72)
            coef_vlc_table = 0;
        else if (bps1 < 1.16)
            coef_vlc_table = 1;
    }
    s->coef_vlcs[0]= &coef_vlcs[coef_vlc_table * 2    ];
    s->coef_vlcs[1]= &coef_vlcs[coef_vlc_table * 2 + 1];
    init_coef_vlc(&s->coef_vlc[0], &s->run_table[0], &s->level_table[0], &s->int_table[0],
                  s->coef_vlcs[0]);
    init_coef_vlc(&s->coef_vlc[1], &s->run_table[1], &s->level_table[1], &s->int_table[1],
                  s->coef_vlcs[1]);
    return 0;
}
int ff_wma_init(AVCodecContext * avctx, int flags2)
{
    WMACodecContext *s = avctx->priv_data;
    int i;
    float *window;
    float bps1, high_freq;
    volatile float bps;
    int sample_rate1;
    int coef_vlc_table;
    s->sample_rate = avctx->sample_rate;
    s->nb_channels = avctx->channels;
    s->bit_rate = avctx->bit_rate;
    s->block_align = avctx->block_align;
    dsputil_init(&s->dsp, avctx);
    if (avctx->codec->id == CODEC_ID_WMAV1) {
        s->version = 1;
    } else {
        s->version = 2;
    }
    
    if (s->sample_rate <= 16000) {
        s->frame_len_bits = 9;
    } else if (s->sample_rate <= 22050 ||
               (s->sample_rate <= 32000 && s->version == 1)) {
        s->frame_len_bits = 10;
    } else {
        s->frame_len_bits = 11;
    }
    s->frame_len = 1 << s->frame_len_bits;
    if (s->use_variable_block_len) {
        int nb_max, nb;
        nb = ((flags2 >> 3) & 3) + 1;
        if ((s->bit_rate / s->nb_channels) >= 32000)
            nb += 2;
        nb_max = s->frame_len_bits - BLOCK_MIN_BITS;
        if (nb > nb_max)
            nb = nb_max;
        s->nb_block_sizes = nb + 1;
    } else {
        s->nb_block_sizes = 1;
    }
    
    s->use_noise_coding = 1;
    high_freq = s->sample_rate * 0.5;
    
    sample_rate1 = s->sample_rate;
    if (s->version == 2) {
        if (sample_rate1 >= 44100)
            sample_rate1 = 44100;
        else if (sample_rate1 >= 22050)
            sample_rate1 = 22050;
        else if (sample_rate1 >= 16000)
            sample_rate1 = 16000;
        else if (sample_rate1 >= 11025)
            sample_rate1 = 11025;
        else if (sample_rate1 >= 8000)
            sample_rate1 = 8000;
    }
    bps = (float)s->bit_rate / (float)(s->nb_channels * s->sample_rate);
    s->byte_offset_bits = av_log2((int)(bps * s->frame_len / 8.0 + 0.5)) + 2;
    

    bps1 = bps;
    if (s->nb_channels == 2)
        bps1 = bps * 1.6;
    if (sample_rate1 == 44100) {
        if (bps1 >= 0.61)
            s->use_noise_coding = 0;
        else
            high_freq = high_freq * 0.4;
    } else if (sample_rate1 == 22050) {
        if (bps1 >= 1.16)
            s->use_noise_coding = 0;
        else if (bps1 >= 0.72)
            high_freq = high_freq * 0.7;
        else
            high_freq = high_freq * 0.6;
    } else if (sample_rate1 == 16000) {
        if (bps > 0.5)
            high_freq = high_freq * 0.5;
        else
            high_freq = high_freq * 0.3;
    } else if (sample_rate1 == 11025) {
        high_freq = high_freq * 0.7;
    } else if (sample_rate1 == 8000) {
        if (bps <= 0.625) {
            high_freq = high_freq * 0.5;
        } else if (bps > 0.75) {
            s->use_noise_coding = 0;
        } else {
            high_freq = high_freq * 0.65;
        }
    } else {
        if (bps >= 0.8) {
            high_freq = high_freq * 0.75;
        } else if (bps >= 0.6) {
            high_freq = high_freq * 0.6;
        } else {
            high_freq = high_freq * 0.5;
        }
    }
    dprintf(s->avctx, "flags2=0x%x\n", flags2);
    dprintf(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\n",
           s->version, s->nb_channels, s->sample_rate, s->bit_rate,
           s->block_align);
    dprintf(s->avctx, "bps=%f bps1=%f high_freq=%f bitoffset=%d\n",
           bps, bps1, high_freq, s->byte_offset_bits);
    dprintf(s->avctx, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\n",
           s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes);
    
    {
        int a, b, pos, lpos, k, block_len, i, j, n;
        const uint8_t *table;
        if (s->version == 1) {
            s->coefs_start = 3;
        } else {
            s->coefs_start = 0;
        }
        for(k = 0; k < s->nb_block_sizes; k++) {
            block_len = s->frame_len >> k;
            if (s->version == 1) {
                lpos = 0;
                for(i=0;i<25;i++) {
                    a = wma_critical_freqs[i];
                    b = s->sample_rate;
                    pos = ((block_len * 2 * a)  + (b >> 1)) / b;
                    if (pos > block_len)
                        pos = block_len;
                    s->exponent_bands[0][i] = pos - lpos;
                    if (pos >= block_len) {
                        i++;
                        break;
                    }
                    lpos = pos;
                }
                s->exponent_sizes[0] = i;
            } else {
                
                table = NULL;
                a = s->frame_len_bits - BLOCK_MIN_BITS - k;
                if (a < 3) {
                    if (s->sample_rate >= 44100)
                        table = exponent_band_44100[a];
                    else if (s->sample_rate >= 32000)
                        table = exponent_band_32000[a];
                    else if (s->sample_rate >= 22050)
                        table = exponent_band_22050[a];
                }
                if (table) {
                    n = *table++;
                    for(i=0;i<n;i++)
                        s->exponent_bands[k][i] = table[i];
                    s->exponent_sizes[k] = n;
                } else {
                    j = 0;
                    lpos = 0;
                    for(i=0;i<25;i++) {
                        a = wma_critical_freqs[i];
                        b = s->sample_rate;
                        pos = ((block_len * 2 * a)  + (b << 1)) / (4 * b);
                        pos <<= 2;
                        if (pos > block_len)
                            pos = block_len;
                        if (pos > lpos)
                            s->exponent_bands[k][j++] = pos - lpos;
                        if (pos >= block_len)
                            break;
                        lpos = pos;
                    }
                    s->exponent_sizes[k] = j;
                }
            }
            
            s->coefs_end[k] = (s->frame_len - ((s->frame_len * 9) / 100)) >> k;
            
            s->high_band_start[k] = (int)((block_len * 2 * high_freq) /
                                          s->sample_rate + 0.5);
            n = s->exponent_sizes[k];
            j = 0;
            pos = 0;
            for(i=0;i<n;i++) {
                int start, end;
                start = pos;
                pos += s->exponent_bands[k][i];
                end = pos;
                if (start < s->high_band_start[k])
                    start = s->high_band_start[k];
                if (end > s->coefs_end[k])
                    end = s->coefs_end[k];
                if (end > start)
                    s->exponent_high_bands[k][j++] = end - start;
            }
            s->exponent_high_sizes[k] = j;
#if 0
            tprintf(s->avctx, "%5d: coefs_end=%d high_band_start=%d nb_high_bands=%d: ",
                  s->frame_len >> k,
                  s->coefs_end[k],
                  s->high_band_start[k],
                  s->exponent_high_sizes[k]);
            for(j=0;j<s->exponent_high_sizes[k];j++)
                tprintf(s->avctx, " %d", s->exponent_high_bands[k][j]);
            tprintf(s->avctx, "\n");
#endif
        }
    }
#ifdef TRACE
    {
        int i, j;
        for(i = 0; i < s->nb_block_sizes; i++) {
            tprintf(s->avctx, "%5d: n=%2d:",
                   s->frame_len >> i,
                   s->exponent_sizes[i]);
            for(j=0;j<s->exponent_sizes[i];j++)
                tprintf(s->avctx, " %d", s->exponent_bands[i][j]);
            tprintf(s->avctx, "\n");
        }
    }
#endif
    
    for(i = 0; i < s->nb_block_sizes; i++) {
        int n, j;
        float alpha;
        n = 1 << (s->frame_len_bits - i);
        window = av_malloc(sizeof(float) * n);
        alpha = M_PI / (2.0 * n);
        for(j=0;j<n;j++) {
            window[j] = sin((j + 0.5) * alpha);
        }
        s->windows[i] = window;
    }
    s->reset_block_lengths = 1;
    if (s->use_noise_coding) {
        
        if (s->use_exp_vlc)
            s->noise_mult = 0.02;
        else
            s->noise_mult = 0.04;
#ifdef TRACE
        for(i=0;i<NOISE_TAB_SIZE;i++)
            s->noise_table[i] = 1.0 * s->noise_mult;
#else
        {
            unsigned int seed;
            float norm;
            seed = 1;
            norm = (1.0 / (float)(1LL << 31)) * sqrt(3) * s->noise_mult;
            for(i=0;i<NOISE_TAB_SIZE;i++) {
                seed = seed * 314159 + 1;
                s->noise_table[i] = (float)((int)seed) * norm;
            }
        }
#endif
    }
    
    coef_vlc_table = 2;
    if (s->sample_rate >= 32000) {
        if (bps1 < 0.72)
            coef_vlc_table = 0;
        else if (bps1 < 1.16)
            coef_vlc_table = 1;
    }
    s->coef_vlcs[0]= &coef_vlcs[coef_vlc_table * 2    ];
    s->coef_vlcs[1]= &coef_vlcs[coef_vlc_table * 2 + 1];
    init_coef_vlc(&s->coef_vlc[0], &s->run_table[0], &s->level_table[0], &s->int_table[0],
                  s->coef_vlcs[0]);
    init_coef_vlc(&s->coef_vlc[1], &s->run_table[1], &s->level_table[1], &s->int_table[1],
                  s->coef_vlcs[1]);
    return 0;
}
int FUNC_0(AVCodecContext * VAR_0, int VAR_1)
{
    WMACodecContext *s = VAR_0->priv_data;
    int VAR_17;
    float *VAR_3;
    float VAR_4, VAR_5;
    volatile float VAR_6;
    int VAR_7;
    int VAR_8;
    s->sample_rate = VAR_0->sample_rate;
    s->nb_channels = VAR_0->channels;
    s->bit_rate = VAR_0->bit_rate;
    s->block_align = VAR_0->block_align;
    dsputil_init(&s->dsp, VAR_0);
    if (VAR_0->codec->id == CODEC_ID_WMAV1) {
        s->version = 1;
    } else {
        s->version = 2;
    }
    
    if (s->sample_rate <= 16000) {
        s->frame_len_bits = 9;
    } else if (s->sample_rate <= 22050 ||
               (s->sample_rate <= 32000 && s->version == 1)) {
        s->frame_len_bits = 10;
    } else {
        s->frame_len_bits = 11;
    }
    s->frame_len = 1 << s->frame_len_bits;
    if (s->use_variable_block_len) {
        int VAR_9, VAR_10;
        VAR_10 = ((VAR_1 >> 3) & 3) + 1;
        if ((s->bit_rate / s->nb_channels) >= 32000)
            VAR_10 += 2;
        VAR_9 = s->frame_len_bits - BLOCK_MIN_BITS;
        if (VAR_10 > VAR_9)
            VAR_10 = VAR_9;
        s->nb_block_sizes = VAR_10 + 1;
    } else {
        s->nb_block_sizes = 1;
    }
    
    s->use_noise_coding = 1;
    VAR_5 = s->sample_rate * 0.5;
    
    VAR_7 = s->sample_rate;
    if (s->version == 2) {
        if (VAR_7 >= 44100)
            VAR_7 = 44100;
        else if (VAR_7 >= 22050)
            VAR_7 = 22050;
        else if (VAR_7 >= 16000)
            VAR_7 = 16000;
        else if (VAR_7 >= 11025)
            VAR_7 = 11025;
        else if (VAR_7 >= 8000)
            VAR_7 = 8000;
    }
    VAR_6 = (float)s->bit_rate / (float)(s->nb_channels * s->sample_rate);
    s->byte_offset_bits = av_log2((int)(VAR_6 * s->frame_len / 8.0 + 0.5)) + 2;
    

    VAR_4 = VAR_6;
    if (s->nb_channels == 2)
        VAR_4 = VAR_6 * 1.6;
    if (VAR_7 == 44100) {
        if (VAR_4 >= 0.61)
            s->use_noise_coding = 0;
        else
            VAR_5 = VAR_5 * 0.4;
    } else if (VAR_7 == 22050) {
        if (VAR_4 >= 1.16)
            s->use_noise_coding = 0;
        else if (VAR_4 >= 0.72)
            VAR_5 = VAR_5 * 0.7;
        else
            VAR_5 = VAR_5 * 0.6;
    } else if (VAR_7 == 16000) {
        if (VAR_6 > 0.5)
            VAR_5 = VAR_5 * 0.5;
        else
            VAR_5 = VAR_5 * 0.3;
    } else if (VAR_7 == 11025) {
        VAR_5 = VAR_5 * 0.7;
    } else if (VAR_7 == 8000) {
        if (VAR_6 <= 0.625) {
            VAR_5 = VAR_5 * 0.5;
        } else if (VAR_6 > 0.75) {
            s->use_noise_coding = 0;
        } else {
            VAR_5 = VAR_5 * 0.65;
        }
    } else {
        if (VAR_6 >= 0.8) {
            VAR_5 = VAR_5 * 0.75;
        } else if (VAR_6 >= 0.6) {
            VAR_5 = VAR_5 * 0.6;
        } else {
            VAR_5 = VAR_5 * 0.5;
        }
    }
    dprintf(s->VAR_0, "VAR_1=0x%x\VAR_18", VAR_1);
    dprintf(s->VAR_0, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\VAR_18",
           s->version, s->nb_channels, s->sample_rate, s->bit_rate,
           s->block_align);
    dprintf(s->VAR_0, "VAR_6=%f VAR_4=%f VAR_5=%f bitoffset=%d\VAR_18",
           VAR_6, VAR_4, VAR_5, s->byte_offset_bits);
    dprintf(s->VAR_0, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\VAR_18",
           s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes);
    
    {
        int VAR_11, VAR_12, VAR_13, VAR_14, VAR_15, VAR_16, VAR_17, VAR_17, VAR_18;
        const uint8_t *VAR_19;
        if (s->version == 1) {
            s->coefs_start = 3;
        } else {
            s->coefs_start = 0;
        }
        for(VAR_15 = 0; VAR_15 < s->nb_block_sizes; VAR_15++) {
            VAR_16 = s->frame_len >> VAR_15;
            if (s->version == 1) {
                VAR_14 = 0;
                for(VAR_17=0;VAR_17<25;VAR_17++) {
                    VAR_11 = wma_critical_freqs[VAR_17];
                    VAR_12 = s->sample_rate;
                    VAR_13 = ((VAR_16 * 2 * VAR_11)  + (VAR_12 >> 1)) / VAR_12;
                    if (VAR_13 > VAR_16)
                        VAR_13 = VAR_16;
                    s->exponent_bands[0][VAR_17] = VAR_13 - VAR_14;
                    if (VAR_13 >= VAR_16) {
                        VAR_17++;
                        break;
                    }
                    VAR_14 = VAR_13;
                }
                s->exponent_sizes[0] = VAR_17;
            } else {
                
                VAR_19 = NULL;
                VAR_11 = s->frame_len_bits - BLOCK_MIN_BITS - VAR_15;
                if (VAR_11 < 3) {
                    if (s->sample_rate >= 44100)
                        VAR_19 = exponent_band_44100[VAR_11];
                    else if (s->sample_rate >= 32000)
                        VAR_19 = exponent_band_32000[VAR_11];
                    else if (s->sample_rate >= 22050)
                        VAR_19 = exponent_band_22050[VAR_11];
                }
                if (VAR_19) {
                    VAR_18 = *VAR_19++;
                    for(VAR_17=0;VAR_17<VAR_18;VAR_17++)
                        s->exponent_bands[VAR_15][VAR_17] = VAR_19[VAR_17];
                    s->exponent_sizes[VAR_15] = VAR_18;
                } else {
                    VAR_17 = 0;
                    VAR_14 = 0;
                    for(VAR_17=0;VAR_17<25;VAR_17++) {
                        VAR_11 = wma_critical_freqs[VAR_17];
                        VAR_12 = s->sample_rate;
                        VAR_13 = ((VAR_16 * 2 * VAR_11)  + (VAR_12 << 1)) / (4 * VAR_12);
                        VAR_13 <<= 2;
                        if (VAR_13 > VAR_16)
                            VAR_13 = VAR_16;
                        if (VAR_13 > VAR_14)
                            s->exponent_bands[VAR_15][VAR_17++] = VAR_13 - VAR_14;
                        if (VAR_13 >= VAR_16)
                            break;
                        VAR_14 = VAR_13;
                    }
                    s->exponent_sizes[VAR_15] = VAR_17;
                }
            }
            
            s->coefs_end[VAR_15] = (s->frame_len - ((s->frame_len * 9) / 100)) >> VAR_15;
            
            s->high_band_start[VAR_15] = (int)((VAR_16 * 2 * VAR_5) /
                                          s->sample_rate + 0.5);
            VAR_18 = s->exponent_sizes[VAR_15];
            VAR_17 = 0;
            VAR_13 = 0;
            for(VAR_17=0;VAR_17<VAR_18;VAR_17++) {
                int start, end;
                start = VAR_13;
                VAR_13 += s->exponent_bands[VAR_15][VAR_17];
                end = VAR_13;
                if (start < s->high_band_start[VAR_15])
                    start = s->high_band_start[VAR_15];
                if (end > s->coefs_end[VAR_15])
                    end = s->coefs_end[VAR_15];
                if (end > start)
                    s->exponent_high_bands[VAR_15][VAR_17++] = end - start;
            }
            s->exponent_high_sizes[VAR_15] = VAR_17;
#if 0
            tprintf(s->VAR_0, "%5d: coefs_end=%d high_band_start=%d nb_high_bands=%d: ",
                  s->frame_len >> VAR_15,
                  s->coefs_end[VAR_15],
                  s->high_band_start[VAR_15],
                  s->exponent_high_sizes[VAR_15]);
            for(VAR_17=0;VAR_17<s->exponent_high_sizes[VAR_15];VAR_17++)
                tprintf(s->VAR_0, " %d", s->exponent_high_bands[VAR_15][VAR_17]);
            tprintf(s->VAR_0, "\VAR_18");
#endif
        }
    }
#ifdef TRACE
    {
        int VAR_17, VAR_17;
        for(VAR_17 = 0; VAR_17 < s->nb_block_sizes; VAR_17++) {
            tprintf(s->VAR_0, "%5d: VAR_18=%2d:",
                   s->frame_len >> VAR_17,
                   s->exponent_sizes[VAR_17]);
            for(VAR_17=0;VAR_17<s->exponent_sizes[VAR_17];VAR_17++)
                tprintf(s->VAR_0, " %d", s->exponent_bands[VAR_17][VAR_17]);
            tprintf(s->VAR_0, "\VAR_18");
        }
    }
#endif
    
    for(VAR_17 = 0; VAR_17 < s->nb_block_sizes; VAR_17++) {
        int VAR_18, VAR_17;
        float alpha;
        VAR_18 = 1 << (s->frame_len_bits - VAR_17);
        VAR_3 = av_malloc(sizeof(float) * VAR_18);
        alpha = M_PI / (2.0 * VAR_18);
        for(VAR_17=0;VAR_17<VAR_18;VAR_17++) {
            VAR_3[VAR_17] = sin((VAR_17 + 0.5) * alpha);
        }
        s->windows[VAR_17] = VAR_3;
    }
    s->reset_block_lengths = 1;
    if (s->use_noise_coding) {
        
        if (s->use_exp_vlc)
            s->noise_mult = 0.02;
        else
            s->noise_mult = 0.04;
#ifdef TRACE
        for(VAR_17=0;VAR_17<NOISE_TAB_SIZE;VAR_17++)
            s->noise_table[VAR_17] = 1.0 * s->noise_mult;
#else
        {
            unsigned int VAR_20;
            float VAR_21;
            VAR_20 = 1;
            VAR_21 = (1.0 / (float)(1LL << 31)) * sqrt(3) * s->noise_mult;
            for(VAR_17=0;VAR_17<NOISE_TAB_SIZE;VAR_17++) {
                VAR_20 = VAR_20 * 314159 + 1;
                s->noise_table[VAR_17] = (float)((int)VAR_20) * VAR_21;
            }
        }
#endif
    }
    
    VAR_8 = 2;
    if (s->sample_rate >= 32000) {
        if (VAR_4 < 0.72)
            VAR_8 = 0;
        else if (VAR_4 < 1.16)
            VAR_8 = 1;
    }
    s->coef_vlcs[0]= &coef_vlcs[VAR_8 * 2    ];
    s->coef_vlcs[1]= &coef_vlcs[VAR_8 * 2 + 1];
    init_coef_vlc(&s->coef_vlc[0], &s->run_table[0], &s->level_table[0], &s->int_table[0],
                  s->coef_vlcs[0]);
    init_coef_vlc(&s->coef_vlc[1], &s->run_table[1], &s->level_table[1], &s->int_table[1],
                  s->coef_vlcs[1]);
    return 0;
}
int FUNC_0(AVCodecContext * VAR_0, int VAR_1)
{ WMACodecContext *s = VAR_0->priv_data; int VAR_17; float *VAR_3; float VAR_4, VAR_5; volatile float VAR_6; int VAR_7; int VAR_8; s->sample_rate = VAR_0->sample_rate; s->nb_channels = VAR_0->channels; s->bit_rate = VAR_0->bit_rate; s->block_align = VAR_0->block_align; dsputil_init(&s->dsp, VAR_0); if (VAR_0->codec->id == CODEC_ID_WMAV1) { s->version = 1; } else { s->version = 2; } if (s->sample_rate <= 16000) { s->frame_len_bits = 9; } else if (s->sample_rate <= 22050 || (s->sample_rate <= 32000 && s->version == 1)) { s->frame_len_bits = 10; } else { s->frame_len_bits = 11; } s->frame_len = 1 << s->frame_len_bits; if (s->use_variable_block_len) { int VAR_9, VAR_10; VAR_10 = ((VAR_1 >> 3) & 3) + 1; if ((s->bit_rate / s->nb_channels) >= 32000)
VAR_10 += 2; VAR_9 = s->frame_len_bits - BLOCK_MIN_BITS; if (VAR_10 > VAR_9)
VAR_10 = VAR_9; s->nb_block_sizes = VAR_10 + 1; } else { s->nb_block_sizes = 1; } s->use_noise_coding = 1; VAR_5 = s->sample_rate * 0.5; VAR_7 = s->sample_rate; if (s->version == 2) { if (VAR_7 >= 44100)
VAR_7 = 44100; else if (VAR_7 >= 22050)
VAR_7 = 22050; else if (VAR_7 >= 16000)
VAR_7 = 16000; else if (VAR_7 >= 11025)
VAR_7 = 11025; else if (VAR_7 >= 8000)
VAR_7 = 8000; } VAR_6 = (float)s->bit_rate / (float)(s->nb_channels * s->sample_rate); s->byte_offset_bits = av_log2((int)(VAR_6 * s->frame_len / 8.0 + 0.5)) + 2; VAR_4 = VAR_6; if (s->nb_channels == 2)
VAR_4 = VAR_6 * 1.6; if (VAR_7 == 44100) { if (VAR_4 >= 0.61)
s->use_noise_coding = 0; else
VAR_5 = VAR_5 * 0.4; } else if (VAR_7 == 22050) { if (VAR_4 >= 1.16)
s->use_noise_coding = 0; else if (VAR_4 >= 0.72)
VAR_5 = VAR_5 * 0.7; else
VAR_5 = VAR_5 * 0.6; } else if (VAR_7 == 16000) { if (VAR_6 > 0.5)
VAR_5 = VAR_5 * 0.5; else
VAR_5 = VAR_5 * 0.3; } else if (VAR_7 == 11025) { VAR_5 = VAR_5 * 0.7; } else if (VAR_7 == 8000) { if (VAR_6 <= 0.625) { VAR_5 = VAR_5 * 0.5; } else if (VAR_6 > 0.75) { s->use_noise_coding = 0; } else { VAR_5 = VAR_5 * 0.65; } } else { if (VAR_6 >= 0.8) { VAR_5 = VAR_5 * 0.75; } else if (VAR_6 >= 0.6) { VAR_5 = VAR_5 * 0.6; } else { VAR_5 = VAR_5 * 0.5; } } dprintf(s->VAR_0, "VAR_1=0x%x\VAR_18", VAR_1); dprintf(s->VAR_0, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\VAR_18",
s->version, s->nb_channels, s->sample_rate, s->bit_rate,
s->block_align); dprintf(s->VAR_0, "VAR_6=%f VAR_4=%f VAR_5=%f bitoffset=%d\VAR_18",
VAR_6, VAR_4, VAR_5, s->byte_offset_bits); dprintf(s->VAR_0, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\VAR_18",
s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes); { int VAR_11, VAR_12, VAR_13, VAR_14, VAR_15, VAR_16, VAR_17, VAR_17, VAR_18; const uint8_t *VAR_19; if (s->version == 1) { s->coefs_start = 3; } else { s->coefs_start = 0; } for(VAR_15 = 0; VAR_15 < s->nb_block_sizes; VAR_15++) { VAR_16 = s->frame_len >> VAR_15; if (s->version == 1) { VAR_14 = 0; for(VAR_17=0;VAR_17<25;VAR_17++) { VAR_11 = wma_critical_freqs[VAR_17]; VAR_12 = s->sample_rate; VAR_13 = ((VAR_16 * 2 * VAR_11)  + (VAR_12 >> 1)) / VAR_12; if (VAR_13 > VAR_16)
VAR_13 = VAR_16; s->exponent_bands[0][VAR_17] = VAR_13 - VAR_14; if (VAR_13 >= VAR_16) { VAR_17++; break; } VAR_14 = VAR_13; } s->exponent_sizes[0] = VAR_17; } else { VAR_19 = NULL; VAR_11 = s->frame_len_bits - BLOCK_MIN_BITS - VAR_15; if (VAR_11 < 3) { if (s->sample_rate >= 44100)
VAR_19 = exponent_band_44100[VAR_11]; else if (s->sample_rate >= 32000)
VAR_19 = exponent_band_32000[VAR_11]; else if (s->sample_rate >= 22050)
VAR_19 = exponent_band_22050[VAR_11]; } if (VAR_19) { VAR_18 = *VAR_19++; for(VAR_17=0;VAR_17<VAR_18;VAR_17++) s->exponent_bands[VAR_15][VAR_17] = VAR_19[VAR_17]; s->exponent_sizes[VAR_15] = VAR_18; } else { VAR_17 = 0; VAR_14 = 0; for(VAR_17=0;VAR_17<25;VAR_17++) { VAR_11 = wma_critical_freqs[VAR_17]; VAR_12 = s->sample_rate; VAR_13 = ((VAR_16 * 2 * VAR_11)  + (VAR_12 << 1)) / (4 * VAR_12); VAR_13 <<= 2; if (VAR_13 > VAR_16)
VAR_13 = VAR_16; if (VAR_13 > VAR_14)
s->exponent_bands[VAR_15][VAR_17++] = VAR_13 - VAR_14; if (VAR_13 >= VAR_16)
break; VAR_14 = VAR_13; } s->exponent_sizes[VAR_15] = VAR_17; } } s->coefs_end[VAR_15] = (s->frame_len - ((s->frame_len * 9) / 100)) >> VAR_15; s->high_band_start[VAR_15] = (int)((VAR_16 * 2 * VAR_5) /
s->sample_rate + 0.5); VAR_18 = s->exponent_sizes[VAR_15]; VAR_17 = 0; VAR_13 = 0; for(VAR_17=0;VAR_17<VAR_18;VAR_17++) { int start, end; start = VAR_13; VAR_13 += s->exponent_bands[VAR_15][VAR_17]; end = VAR_13; if (start < s->high_band_start[VAR_15])
start = s->high_band_start[VAR_15]; if (end > s->coefs_end[VAR_15])
end = s->coefs_end[VAR_15]; if (end > start)
s->exponent_high_bands[VAR_15][VAR_17++] = end - start; } s->exponent_high_sizes[VAR_15] = VAR_17; #if 0
tprintf(s->VAR_0, "%5d: coefs_end=%d high_band_start=%d nb_high_bands=%d: ",
s->frame_len >> VAR_15,
s->coefs_end[VAR_15],
s->high_band_start[VAR_15],
s->exponent_high_sizes[VAR_15]); for(VAR_17=0;VAR_17<s->exponent_high_sizes[VAR_15];VAR_17++) tprintf(s->VAR_0, " %d", s->exponent_high_bands[VAR_15][VAR_17]); tprintf(s->VAR_0, "\VAR_18"); #endif
} } #ifdef TRACE
{ int VAR_17, VAR_17; for(VAR_17 = 0; VAR_17 < s->nb_block_sizes; VAR_17++) { tprintf(s->VAR_0, "%5d: VAR_18=%2d:",
s->frame_len >> VAR_17,
s->exponent_sizes[VAR_17]); for(VAR_17=0;VAR_17<s->exponent_sizes[VAR_17];VAR_17++) tprintf(s->VAR_0, " %d", s->exponent_bands[VAR_17][VAR_17]); tprintf(s->VAR_0, "\VAR_18"); } } #endif
for(VAR_17 = 0; VAR_17 < s->nb_block_sizes; VAR_17++) { int VAR_18, VAR_17; float alpha; VAR_18 = 1 << (s->frame_len_bits - VAR_17); VAR_3 = av_malloc(sizeof(float) * VAR_18); alpha = M_PI / (2.0 * VAR_18); for(VAR_17=0;VAR_17<VAR_18;VAR_17++) { VAR_3[VAR_17] = sin((VAR_17 + 0.5) * alpha); } s->windows[VAR_17] = VAR_3; } s->reset_block_lengths = 1; if (s->use_noise_coding) { if (s->use_exp_vlc)
s->noise_mult = 0.02; else
s->noise_mult = 0.04; #ifdef TRACE
for(VAR_17=0;VAR_17<NOISE_TAB_SIZE;VAR_17++) s->noise_table[VAR_17] = 1.0 * s->noise_mult; #else
{ unsigned int VAR_20; float VAR_21; VAR_20 = 1; VAR_21 = (1.0 / (float)(1LL << 31)) * sqrt(3) * s->noise_mult; for(VAR_17=0;VAR_17<NOISE_TAB_SIZE;VAR_17++) { VAR_20 = VAR_20 * 314159 + 1; s->noise_table[VAR_17] = (float)((int)VAR_20) * VAR_21; } } #endif
} VAR_8 = 2; if (s->sample_rate >= 32000) { if (VAR_4 < 0.72)
VAR_8 = 0; else if (VAR_4 < 1.16)
VAR_8 = 1; } s->coef_vlcs[0]= &coef_vlcs[VAR_8 * 2    ]; s->coef_vlcs[1]= &coef_vlcs[VAR_8 * 2 + 1]; init_coef_vlc(&s->coef_vlc[0], &s->run_table[0], &s->level_table[0], &s->int_table[0],
s->coef_vlcs[0]); init_coef_vlc(&s->coef_vlc[1], &s->run_table[1], &s->level_table[1], &s->int_table[1],
s->coef_vlcs[1]); return 0; }