av_cold int ff_wma_init(AVCodecContext *avctx, int flags2)

{

    WMACodecContext *s = avctx->priv_data;

    int i;

    float bps1, high_freq;

    volatile float bps;

    int sample_rate1;

    int coef_vlc_table;



    if (avctx->sample_rate <= 0 || avctx->sample_rate > 50000 ||

        avctx->channels    <= 0 || avctx->channels    > 2     ||

        avctx->bit_rate    <= 0)

        return -1;



    ff_fmt_convert_init(&s->fmt_conv, avctx);

    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);



    if (avctx->codec->id == AV_CODEC_ID_WMAV1)

        s->version = 1;

    else

        s->version = 2;



    /* compute MDCT block size */

    s->frame_len_bits = ff_wma_get_frame_len_bits(avctx->sample_rate,

                                                  s->version, 0);

    s->next_block_len_bits = s->frame_len_bits;

    s->prev_block_len_bits = s->frame_len_bits;

    s->block_len_bits      = s->frame_len_bits;



    s->frame_len = 1 << s->frame_len_bits;

    if (s->use_variable_block_len) {

        int nb_max, nb;

        nb = ((flags2 >> 3) & 3) + 1;

        if ((avctx->bit_rate / avctx->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           = avctx->sample_rate * 0.5;



    /* if version 2, then the rates are normalized */

    sample_rate1 = avctx->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) avctx->bit_rate /

                          (float) (avctx->channels * avctx->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 (avctx->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;

    }

    av_dlog(s->avctx, "flags2=0x%x\n", flags2);

    av_dlog(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\n",

            s->version, avctx->channels, avctx->sample_rate, avctx->bit_rate,

            avctx->block_align);

    av_dlog(s->avctx, "bps=%f bps1=%f high_freq=%f bitoffset=%d\n",

            bps, bps1, high_freq, s->byte_offset_bits);

    av_dlog(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   = ff_wma_critical_freqs[i];

                    b   = avctx->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 (avctx->sample_rate >= 44100)

                        table = exponent_band_44100[a];

                    else if (avctx->sample_rate >= 32000)

                        table = exponent_band_32000[a];

                    else if (avctx->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     = ff_wma_critical_freqs[i];

                        b     = avctx->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) /

                                           avctx->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 /* 0 */

        }

    }



#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 /* TRACE */



    /* init MDCT windows : simple sine window */

    for (i = 0; i < s->nb_block_sizes; i++) {

        ff_init_ff_sine_windows(s->frame_len_bits - i);

        s->windows[i] = ff_sine_windows[s->frame_len_bits - i];

    }



    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 /* TRACE */

    }



    /* choose the VLC tables for the coefficients */

    coef_vlc_table = 2;

    if (avctx->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;

}

av_cold int ff_wma_init(AVCodecContext *avctx, int flags2)

{

    WMACodecContext *s = avctx->priv_data;

    int i;

    float bps1, high_freq;

    volatile float bps;

    int sample_rate1;

    int coef_vlc_table;



    if (avctx->sample_rate <= 0 || avctx->sample_rate > 50000 ||

        avctx->channels    <= 0 || avctx->channels    > 2     ||

        avctx->bit_rate    <= 0)

        return -1;



    ff_fmt_convert_init(&s->fmt_conv, avctx);

    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);



    if (avctx->codec->id == AV_CODEC_ID_WMAV1)

        s->version = 1;

    else

        s->version = 2;



    

    s->frame_len_bits = ff_wma_get_frame_len_bits(avctx->sample_rate,

                                                  s->version, 0);

    s->next_block_len_bits = s->frame_len_bits;

    s->prev_block_len_bits = s->frame_len_bits;

    s->block_len_bits      = s->frame_len_bits;



    s->frame_len = 1 << s->frame_len_bits;

    if (s->use_variable_block_len) {

        int nb_max, nb;

        nb = ((flags2 >> 3) & 3) + 1;

        if ((avctx->bit_rate / avctx->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           = avctx->sample_rate * 0.5;



    

    sample_rate1 = avctx->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) avctx->bit_rate /

                          (float) (avctx->channels * avctx->sample_rate);

    s->byte_offset_bits = av_log2((int) (bps * s->frame_len / 8.0 + 0.5)) + 2;



    



    bps1 = bps;

    if (avctx->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;

    }

    av_dlog(s->avctx, "flags2=0x%x\n", flags2);

    av_dlog(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\n",

            s->version, avctx->channels, avctx->sample_rate, avctx->bit_rate,

            avctx->block_align);

    av_dlog(s->avctx, "bps=%f bps1=%f high_freq=%f bitoffset=%d\n",

            bps, bps1, high_freq, s->byte_offset_bits);

    av_dlog(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   = ff_wma_critical_freqs[i];

                    b   = avctx->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 (avctx->sample_rate >= 44100)

                        table = exponent_band_44100[a];

                    else if (avctx->sample_rate >= 32000)

                        table = exponent_band_32000[a];

                    else if (avctx->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     = ff_wma_critical_freqs[i];

                        b     = avctx->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) /

                                           avctx->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++) {

        ff_init_ff_sine_windows(s->frame_len_bits - i);

        s->windows[i] = ff_sine_windows[s->frame_len_bits - i];

    }



    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 (avctx->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;

}

av_cold int FUNC_0(AVCodecContext *avctx, int flags2)

{

    WMACodecContext *s = avctx->priv_data;

    int VAR_14;

    float VAR_1, VAR_2;

    volatile float VAR_3;

    int VAR_4;

    int VAR_5;



    if (avctx->sample_rate <= 0 || avctx->sample_rate > 50000 ||

        avctx->channels    <= 0 || avctx->channels    > 2     ||

        avctx->bit_rate    <= 0)

        return -1;



    ff_fmt_convert_init(&s->fmt_conv, avctx);

    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);



    if (avctx->codec->id == AV_CODEC_ID_WMAV1)

        s->version = 1;

    else

        s->version = 2;



    

    s->frame_len_bits = ff_wma_get_frame_len_bits(avctx->sample_rate,

                                                  s->version, 0);

    s->next_block_len_bits = s->frame_len_bits;

    s->prev_block_len_bits = s->frame_len_bits;

    s->block_len_bits      = s->frame_len_bits;



    s->frame_len = 1 << s->frame_len_bits;

    if (s->use_variable_block_len) {

        int VAR_6, VAR_7;

        VAR_7 = ((flags2 >> 3) & 3) + 1;

        if ((avctx->bit_rate / avctx->channels) >= 32000)

            VAR_7 += 2;

        VAR_6 = s->frame_len_bits - BLOCK_MIN_BITS;

        if (VAR_7 > VAR_6)

            VAR_7 = VAR_6;

        s->nb_block_sizes = VAR_7 + 1;

    } else

        s->nb_block_sizes = 1;



    

    s->use_noise_coding = 1;

    VAR_2           = avctx->sample_rate * 0.5;



    

    VAR_4 = avctx->sample_rate;

    if (s->version == 2) {

        if (VAR_4 >= 44100)

            VAR_4 = 44100;

        else if (VAR_4 >= 22050)

            VAR_4 = 22050;

        else if (VAR_4 >= 16000)

            VAR_4 = 16000;

        else if (VAR_4 >= 11025)

            VAR_4 = 11025;

        else if (VAR_4 >= 8000)

            VAR_4 = 8000;

    }



    VAR_3                 = (float) avctx->bit_rate /

                          (float) (avctx->channels * avctx->sample_rate);

    s->byte_offset_bits = av_log2((int) (VAR_3 * s->frame_len / 8.0 + 0.5)) + 2;



    



    VAR_1 = VAR_3;

    if (avctx->channels == 2)

        VAR_1 = VAR_3 * 1.6;

    if (VAR_4 == 44100) {

        if (VAR_1 >= 0.61)

            s->use_noise_coding = 0;

        else

            VAR_2 = VAR_2 * 0.4;

    } else if (VAR_4 == 22050) {

        if (VAR_1 >= 1.16)

            s->use_noise_coding = 0;

        else if (VAR_1 >= 0.72)

            VAR_2 = VAR_2 * 0.7;

        else

            VAR_2 = VAR_2 * 0.6;

    } else if (VAR_4 == 16000) {

        if (VAR_3 > 0.5)

            VAR_2 = VAR_2 * 0.5;

        else

            VAR_2 = VAR_2 * 0.3;

    } else if (VAR_4 == 11025)

        VAR_2 = VAR_2 * 0.7;

    else if (VAR_4 == 8000) {

        if (VAR_3 <= 0.625)

            VAR_2 = VAR_2 * 0.5;

        else if (VAR_3 > 0.75)

            s->use_noise_coding = 0;

        else

            VAR_2 = VAR_2 * 0.65;

    } else {

        if (VAR_3 >= 0.8)

            VAR_2 = VAR_2 * 0.75;

        else if (VAR_3 >= 0.6)

            VAR_2 = VAR_2 * 0.6;

        else

            VAR_2 = VAR_2 * 0.5;

    }

    av_dlog(s->avctx, "flags2=0x%x\VAR_15", flags2);

    av_dlog(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\VAR_15",

            s->version, avctx->channels, avctx->sample_rate, avctx->bit_rate,

            avctx->block_align);

    av_dlog(s->avctx, "VAR_3=%f VAR_1=%f VAR_2=%f bitoffset=%d\VAR_15",

            VAR_3, VAR_1, VAR_2, s->byte_offset_bits);

    av_dlog(s->avctx, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\VAR_15",

            s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes);



    

    {

        int VAR_8, VAR_9, VAR_10, VAR_11, VAR_12, VAR_13, VAR_14, VAR_14, VAR_15;

        const uint8_t *VAR_16;



        if (s->version == 1)

            s->coefs_start = 3;

        else

            s->coefs_start = 0;

        for (VAR_12 = 0; VAR_12 < s->nb_block_sizes; VAR_12++) {

            VAR_13 = s->frame_len >> VAR_12;



            if (s->version == 1) {

                VAR_11 = 0;

                for (VAR_14 = 0; VAR_14 < 25; VAR_14++) {

                    VAR_8   = ff_wma_critical_freqs[VAR_14];

                    VAR_9   = avctx->sample_rate;

                    VAR_10 = ((VAR_13 * 2 * VAR_8) + (VAR_9 >> 1)) / VAR_9;

                    if (VAR_10 > VAR_13)

                        VAR_10 = VAR_13;

                    s->exponent_bands[0][VAR_14] = VAR_10 - VAR_11;

                    if (VAR_10 >= VAR_13) {

                        VAR_14++;

                        break;

                    }

                    VAR_11 = VAR_10;

                }

                s->exponent_sizes[0] = VAR_14;

            } else {

                

                VAR_16 = NULL;

                VAR_8     = s->frame_len_bits - BLOCK_MIN_BITS - VAR_12;

                if (VAR_8 < 3) {

                    if (avctx->sample_rate >= 44100)

                        VAR_16 = exponent_band_44100[VAR_8];

                    else if (avctx->sample_rate >= 32000)

                        VAR_16 = exponent_band_32000[VAR_8];

                    else if (avctx->sample_rate >= 22050)

                        VAR_16 = exponent_band_22050[VAR_8];

                }

                if (VAR_16) {

                    VAR_15 = *VAR_16++;

                    for (VAR_14 = 0; VAR_14 < VAR_15; VAR_14++)

                        s->exponent_bands[VAR_12][VAR_14] = VAR_16[VAR_14];

                    s->exponent_sizes[VAR_12] = VAR_15;

                } else {

                    VAR_14    = 0;

                    VAR_11 = 0;

                    for (VAR_14 = 0; VAR_14 < 25; VAR_14++) {

                        VAR_8     = ff_wma_critical_freqs[VAR_14];

                        VAR_9     = avctx->sample_rate;

                        VAR_10   = ((VAR_13 * 2 * VAR_8) + (VAR_9 << 1)) / (4 * VAR_9);

                        VAR_10 <<= 2;

                        if (VAR_10 > VAR_13)

                            VAR_10 = VAR_13;

                        if (VAR_10 > VAR_11)

                            s->exponent_bands[VAR_12][VAR_14++] = VAR_10 - VAR_11;

                        if (VAR_10 >= VAR_13)

                            break;

                        VAR_11 = VAR_10;

                    }

                    s->exponent_sizes[VAR_12] = VAR_14;

                }

            }



            

            s->coefs_end[VAR_12] = (s->frame_len - ((s->frame_len * 9) / 100)) >> VAR_12;

            

            s->high_band_start[VAR_12] = (int) ((VAR_13 * 2 * VAR_2) /

                                           avctx->sample_rate + 0.5);

            VAR_15   = s->exponent_sizes[VAR_12];

            VAR_14   = 0;

            VAR_10 = 0;

            for (VAR_14 = 0; VAR_14 < VAR_15; VAR_14++) {

                int start, end;

                start = VAR_10;

                VAR_10  += s->exponent_bands[VAR_12][VAR_14];

                end   = VAR_10;

                if (start < s->high_band_start[VAR_12])

                    start = s->high_band_start[VAR_12];

                if (end > s->coefs_end[VAR_12])

                    end = s->coefs_end[VAR_12];

                if (end > start)

                    s->exponent_high_bands[VAR_12][VAR_14++] = end - start;

            }

            s->exponent_high_sizes[VAR_12] = VAR_14;

#if 0

            tprintf(s->avctx, "%5d: coefs_end=%d high_band_start=%d nb_high_bands=%d: ",

                    s->frame_len >> VAR_12,

                    s->coefs_end[VAR_12],

                    s->high_band_start[VAR_12],

                    s->exponent_high_sizes[VAR_12]);

            for (VAR_14 = 0; VAR_14 < s->exponent_high_sizes[VAR_12]; VAR_14++)

                tprintf(s->avctx, " %d", s->exponent_high_bands[VAR_12][VAR_14]);

            tprintf(s->avctx, "\VAR_15");

#endif 

        }

    }



#ifdef TRACE

    {

        int VAR_14, VAR_14;

        for (VAR_14 = 0; VAR_14 < s->nb_block_sizes; VAR_14++) {

            tprintf(s->avctx, "%5d: VAR_15=%2d:",

                    s->frame_len >> VAR_14,

                    s->exponent_sizes[VAR_14]);

            for (VAR_14 = 0; VAR_14 < s->exponent_sizes[VAR_14]; VAR_14++)

                tprintf(s->avctx, " %d", s->exponent_bands[VAR_14][VAR_14]);

            tprintf(s->avctx, "\VAR_15");

        }

    }

#endif 



    

    for (VAR_14 = 0; VAR_14 < s->nb_block_sizes; VAR_14++) {

        ff_init_ff_sine_windows(s->frame_len_bits - VAR_14);

        s->windows[VAR_14] = ff_sine_windows[s->frame_len_bits - VAR_14];

    }



    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_14 = 0; VAR_14 < NOISE_TAB_SIZE; VAR_14++)

            s->noise_table[VAR_14] = 1.0 * s->noise_mult;

#else

        {

            unsigned int VAR_17;

            float VAR_18;

            VAR_17 = 1;

            VAR_18 = (1.0 / (float) (1LL << 31)) * sqrt(3) * s->noise_mult;

            for (VAR_14 = 0; VAR_14 < NOISE_TAB_SIZE; VAR_14++) {

                VAR_17              = VAR_17 * 314159 + 1;

                s->noise_table[VAR_14] = (float) ((int) VAR_17) * VAR_18;

            }

        }

#endif 

    }



    

    VAR_5 = 2;

    if (avctx->sample_rate >= 32000) {

        if (VAR_1 < 0.72)

            VAR_5 = 0;

        else if (VAR_1 < 1.16)

            VAR_5 = 1;

    }

    s->coef_vlcs[0] = &coef_vlcs[VAR_5 * 2];

    s->coef_vlcs[1] = &coef_vlcs[VAR_5 * 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;

}

av_cold int FUNC_0(AVCodecContext *avctx, int flags2)
{ WMACodecContext *s = avctx->priv_data; int VAR_14; float VAR_1, VAR_2; volatile float VAR_3; int VAR_4; int VAR_5; if (avctx->sample_rate <= 0 || avctx->sample_rate > 50000 ||
avctx->channels    <= 0 || avctx->channels    > 2     ||
avctx->bit_rate    <= 0)
return -1; ff_fmt_convert_init(&s->fmt_conv, avctx); avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT); if (avctx->codec->id == AV_CODEC_ID_WMAV1)
s->version = 1; else
s->version = 2; s->frame_len_bits = ff_wma_get_frame_len_bits(avctx->sample_rate,
s->version, 0); s->next_block_len_bits = s->frame_len_bits; s->prev_block_len_bits = s->frame_len_bits; s->block_len_bits      = s->frame_len_bits; s->frame_len = 1 << s->frame_len_bits; if (s->use_variable_block_len) { int VAR_6, VAR_7; VAR_7 = ((flags2 >> 3) & 3) + 1; if ((avctx->bit_rate / avctx->channels) >= 32000)
VAR_7 += 2; VAR_6 = s->frame_len_bits - BLOCK_MIN_BITS; if (VAR_7 > VAR_6)
VAR_7 = VAR_6; s->nb_block_sizes = VAR_7 + 1; } else s->nb_block_sizes = 1; s->use_noise_coding = 1; VAR_2           = avctx->sample_rate * 0.5; VAR_4 = avctx->sample_rate; if (s->version == 2) { if (VAR_4 >= 44100)
VAR_4 = 44100; else if (VAR_4 >= 22050)
VAR_4 = 22050; else if (VAR_4 >= 16000)
VAR_4 = 16000; else if (VAR_4 >= 11025)
VAR_4 = 11025; else if (VAR_4 >= 8000)
VAR_4 = 8000; } VAR_3                 = (float) avctx->bit_rate /
(float) (avctx->channels * avctx->sample_rate); s->byte_offset_bits = av_log2((int) (VAR_3 * s->frame_len / 8.0 + 0.5)) + 2; VAR_1 = VAR_3; if (avctx->channels == 2)
VAR_1 = VAR_3 * 1.6; if (VAR_4 == 44100) { if (VAR_1 >= 0.61)
s->use_noise_coding = 0; else
VAR_2 = VAR_2 * 0.4; } else if (VAR_4 == 22050) { if (VAR_1 >= 1.16)
s->use_noise_coding = 0; else if (VAR_1 >= 0.72)
VAR_2 = VAR_2 * 0.7; else
VAR_2 = VAR_2 * 0.6; } else if (VAR_4 == 16000) { if (VAR_3 > 0.5)
VAR_2 = VAR_2 * 0.5; else
VAR_2 = VAR_2 * 0.3; } else if (VAR_4 == 11025) VAR_2 = VAR_2 * 0.7; else if (VAR_4 == 8000) { if (VAR_3 <= 0.625)
VAR_2 = VAR_2 * 0.5; else if (VAR_3 > 0.75)
s->use_noise_coding = 0; else
VAR_2 = VAR_2 * 0.65; } else { if (VAR_3 >= 0.8)
VAR_2 = VAR_2 * 0.75; else if (VAR_3 >= 0.6)
VAR_2 = VAR_2 * 0.6; else
VAR_2 = VAR_2 * 0.5; } av_dlog(s->avctx, "flags2=0x%x\VAR_15", flags2); av_dlog(s->avctx, "version=%d channels=%d sample_rate=%d bitrate=%d block_align=%d\VAR_15",
s->version, avctx->channels, avctx->sample_rate, avctx->bit_rate,
avctx->block_align); av_dlog(s->avctx, "VAR_3=%f VAR_1=%f VAR_2=%f bitoffset=%d\VAR_15",
VAR_3, VAR_1, VAR_2, s->byte_offset_bits); av_dlog(s->avctx, "use_noise_coding=%d use_exp_vlc=%d nb_block_sizes=%d\VAR_15",
s->use_noise_coding, s->use_exp_vlc, s->nb_block_sizes); { int VAR_8, VAR_9, VAR_10, VAR_11, VAR_12, VAR_13, VAR_14, VAR_14, VAR_15; const uint8_t *VAR_16; if (s->version == 1)
s->coefs_start = 3; else
s->coefs_start = 0; for (VAR_12 = 0; VAR_12 < s->nb_block_sizes; VAR_12++) { VAR_13 = s->frame_len >> VAR_12; if (s->version == 1) { VAR_11 = 0; for (VAR_14 = 0; VAR_14 < 25; VAR_14++) { VAR_8   = ff_wma_critical_freqs[VAR_14]; VAR_9   = avctx->sample_rate; VAR_10 = ((VAR_13 * 2 * VAR_8) + (VAR_9 >> 1)) / VAR_9; if (VAR_10 > VAR_13)
VAR_10 = VAR_13; s->exponent_bands[0][VAR_14] = VAR_10 - VAR_11; if (VAR_10 >= VAR_13) { VAR_14++; break; } VAR_11 = VAR_10; } s->exponent_sizes[0] = VAR_14; } else { VAR_16 = NULL; VAR_8     = s->frame_len_bits - BLOCK_MIN_BITS - VAR_12; if (VAR_8 < 3) { if (avctx->sample_rate >= 44100)
VAR_16 = exponent_band_44100[VAR_8]; else if (avctx->sample_rate >= 32000)
VAR_16 = exponent_band_32000[VAR_8]; else if (avctx->sample_rate >= 22050)
VAR_16 = exponent_band_22050[VAR_8]; } if (VAR_16) { VAR_15 = *VAR_16++; for (VAR_14 = 0; VAR_14 < VAR_15; VAR_14++) s->exponent_bands[VAR_12][VAR_14] = VAR_16[VAR_14]; s->exponent_sizes[VAR_12] = VAR_15; } else { VAR_14    = 0; VAR_11 = 0; for (VAR_14 = 0; VAR_14 < 25; VAR_14++) { VAR_8     = ff_wma_critical_freqs[VAR_14]; VAR_9     = avctx->sample_rate; VAR_10   = ((VAR_13 * 2 * VAR_8) + (VAR_9 << 1)) / (4 * VAR_9); VAR_10 <<= 2; if (VAR_10 > VAR_13)
VAR_10 = VAR_13; if (VAR_10 > VAR_11)
s->exponent_bands[VAR_12][VAR_14++] = VAR_10 - VAR_11; if (VAR_10 >= VAR_13)
break; VAR_11 = VAR_10; } s->exponent_sizes[VAR_12] = VAR_14; } } s->coefs_end[VAR_12] = (s->frame_len - ((s->frame_len * 9) / 100)) >> VAR_12; s->high_band_start[VAR_12] = (int) ((VAR_13 * 2 * VAR_2) /
avctx->sample_rate + 0.5); VAR_15   = s->exponent_sizes[VAR_12]; VAR_14   = 0; VAR_10 = 0; for (VAR_14 = 0; VAR_14 < VAR_15; VAR_14++) { int start, end; start = VAR_10; VAR_10  += s->exponent_bands[VAR_12][VAR_14]; end   = VAR_10; if (start < s->high_band_start[VAR_12])
start = s->high_band_start[VAR_12]; if (end > s->coefs_end[VAR_12])
end = s->coefs_end[VAR_12]; if (end > start)
s->exponent_high_bands[VAR_12][VAR_14++] = end - start; } s->exponent_high_sizes[VAR_12] = VAR_14; #if 0
tprintf(s->avctx, "%5d: coefs_end=%d high_band_start=%d nb_high_bands=%d: ",
s->frame_len >> VAR_12,
s->coefs_end[VAR_12],
s->high_band_start[VAR_12],
s->exponent_high_sizes[VAR_12]); for (VAR_14 = 0; VAR_14 < s->exponent_high_sizes[VAR_12]; VAR_14++) tprintf(s->avctx, " %d", s->exponent_high_bands[VAR_12][VAR_14]); tprintf(s->avctx, "\VAR_15"); #endif
} } #ifdef TRACE
{ int VAR_14, VAR_14; for (VAR_14 = 0; VAR_14 < s->nb_block_sizes; VAR_14++) { tprintf(s->avctx, "%5d: VAR_15=%2d:",
s->frame_len >> VAR_14,
s->exponent_sizes[VAR_14]); for (VAR_14 = 0; VAR_14 < s->exponent_sizes[VAR_14]; VAR_14++) tprintf(s->avctx, " %d", s->exponent_bands[VAR_14][VAR_14]); tprintf(s->avctx, "\VAR_15"); } } #endif
for (VAR_14 = 0; VAR_14 < s->nb_block_sizes; VAR_14++) { ff_init_ff_sine_windows(s->frame_len_bits - VAR_14); s->windows[VAR_14] = ff_sine_windows[s->frame_len_bits - VAR_14]; } 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_14 = 0; VAR_14 < NOISE_TAB_SIZE; VAR_14++) s->noise_table[VAR_14] = 1.0 * s->noise_mult; #else
{ unsigned int VAR_17; float VAR_18; VAR_17 = 1; VAR_18 = (1.0 / (float) (1LL << 31)) * sqrt(3) * s->noise_mult; for (VAR_14 = 0; VAR_14 < NOISE_TAB_SIZE; VAR_14++) { VAR_17              = VAR_17 * 314159 + 1; s->noise_table[VAR_14] = (float) ((int) VAR_17) * VAR_18; } } #endif
} VAR_5 = 2; if (avctx->sample_rate >= 32000) { if (VAR_1 < 0.72)
VAR_5 = 0; else if (VAR_1 < 1.16)
VAR_5 = 1; } s->coef_vlcs[0] = &coef_vlcs[VAR_5 * 2]; s->coef_vlcs[1] = &coef_vlcs[VAR_5 * 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; }