libavcodec/mpegaudiodec.c:2057: error: Buffer Overrun L2
  Offset: [0, 9] Size: 9 by call to `mp_decode_frame`.

libavcodec/mpegaudiodec.c:2043:19: Call
2041.         assert (m != NULL);
2042. 
2043.         header = (AV_RB32(buf) & 0x000fffff) | s->syncword; // patch header
                        ^
2044. 
2045.         if (ff_mpa_check_header(header) < 0) // Bad header, discard block

libavutil/bswap.h:66:1: Parameter `x`
  64. 
  65. #ifndef av_bswap32
  66. static av_always_inline av_const uint32_t av_bswap32(uint32_t x)
      ^
  67. {
  68.     x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);

libavutil/bswap.h:68:5: Assignment
  66. static av_always_inline av_const uint32_t av_bswap32(uint32_t x)
  67. {
  68.     x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
          ^
  69.     x= (x>>16) | (x<<16);
  70.     return x;

libavutil/bswap.h:69:5: Assignment
  67. {
  68.     x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
  69.     x= (x>>16) | (x<<16);
          ^
  70.     return x;
  71. }

libavutil/bswap.h:70:5: Assignment
  68.     x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
  69.     x= (x>>16) | (x<<16);
  70.     return x;
          ^
  71. }
  72. #endif

libavcodec/mpegaudiodec.c:2043:9: Assignment
2041.         assert (m != NULL);
2042. 
2043.         header = (AV_RB32(buf) & 0x000fffff) | s->syncword; // patch header
              ^
2044. 
2045.         if (ff_mpa_check_header(header) < 0) // Bad header, discard block

libavcodec/mpegaudiodec.c:2048:9: Call
2046.             break;
2047. 
2048.         avpriv_mpegaudio_decode_header((MPADecodeHeader *)m, header);
              ^
2049. 
2050.         if (ch + m->nb_channels > avctx->channels) {

libavcodec/mpegaudiodecheader.c:40:9: Assignment
  38.     if (header & (1<<20)) {
  39.         s->lsf = (header & (1<<19)) ? 0 : 1;
  40.         mpeg25 = 0;
              ^
  41.     } else {
  42.         s->lsf = 1;

libavcodec/mpegaudiodecheader.c:50:5: Assignment
  48.     sample_rate_index = (header >> 10) & 3;
  49.     sample_rate = avpriv_mpa_freq_tab[sample_rate_index] >> (s->lsf + mpeg25);
  50.     sample_rate_index += 3 * (s->lsf + mpeg25);
          ^
  51.     s->sample_rate_index = sample_rate_index;
  52.     s->error_protection = ((header >> 16) & 1) ^ 1;

libavcodec/mpegaudiodecheader.c:51:5: Assignment
  49.     sample_rate = avpriv_mpa_freq_tab[sample_rate_index] >> (s->lsf + mpeg25);
  50.     sample_rate_index += 3 * (s->lsf + mpeg25);
  51.     s->sample_rate_index = sample_rate_index;
          ^
  52.     s->error_protection = ((header >> 16) & 1) ^ 1;
  53.     s->sample_rate = sample_rate;

libavcodec/mpegaudiodec.c:2057:21: Call
2055.         ch += m->nb_channels;
2056. 
2057.         out_size += mp_decode_frame(m, outptr, buf, fsize);
                          ^
2058.         buf += fsize;
2059.         len -= fsize;

libavcodec/mpegaudiodec.c:1700:1: Parameter `s->sample_rate_index`
  1698. }
  1699. 
  1700. static int mp_decode_frame(MPADecodeContext *s,
        ^
  1701.                            OUT_INT *samples, const uint8_t *buf, int buf_size)
  1702. {

libavcodec/mpegaudiodec.c:1725:21: Call
  1723.         s->avctx->frame_size = s->lsf ? 576 : 1152;
  1724.     default:
  1725.         nb_frames = mp_decode_layer3(s);
                            ^
  1726. 
  1727.         s->last_buf_size=0;

libavcodec/mpegaudiodec.c:1456:1: Parameter `s->sample_rate_index`
    1454. 
    1455. /* main layer3 decoding function */
    1456. static int mp_decode_layer3(MPADecodeContext *s)
          ^
    1457. {
    1458.     int nb_granules, main_data_begin;

libavcodec/mpegaudiodec.c:1678:13: Call
    1676.             }
    1677. 
    1678.             exponents_from_scale_factors(s, g, exponents);
                      ^
    1679. 
    1680.             /* read Huffman coded residue */

libavcodec/mpegaudiodec.c:924:1: <Offset trace>
922. }
923. 
924. static void exponents_from_scale_factors(MPADecodeContext *s,
     ^
925.                                          GranuleDef *g,
926.                                          int16_t *exponents)

libavcodec/mpegaudiodec.c:924:1: Parameter `s->sample_rate_index`
      922. }
      923. 
      924. static void exponents_from_scale_factors(MPADecodeContext *s,
           ^
      925.                                          GranuleDef *g,
      926.                                          int16_t *exponents)

libavcodec/mpegaudiodectab.h:572:1: <Length trace>
570. 
571. /* band size tables */
572. static const uint8_t band_size_long[9][22] = {
     ^
573. { 4, 4, 4, 4, 4, 4, 6, 6, 8, 8, 10,
574.   12, 16, 20, 24, 28, 34, 42, 50, 54, 76, 158, }, /* 44100 */

libavcodec/mpegaudiodectab.h:572:1: Array declaration
      570. 
      571. /* band size tables */
      572. static const uint8_t band_size_long[9][22] = {
           ^
      573. { 4, 4, 4, 4, 4, 4, 6, 6, 8, 8, 10,
      574.   12, 16, 20, 24, 28, 34, 42, 50, 54, 76, 158, }, /* 44100 */

libavcodec/mpegaudiodec.c:936:5: Array access: Offset: [0, 9] Size: 9 by call to `mp_decode_frame` 
      934.     shift = g->scalefac_scale + 1;
      935. 
      936.     bstab = band_size_long[s->sample_rate_index];
               ^
      937.     pretab = mpa_pretab[g->preflag];
      938.     for(i=0;i<g->long_end;i++) {

static void exponents_from_scale_factors(MPADecodeContext *s,
                                         GranuleDef *g,
                                         int16_t *exponents)
{
    const uint8_t *bstab, *pretab;
    int len, i, j, k, l, v0, shift, gain, gains[3];
    int16_t *exp_ptr;
    exp_ptr = exponents;
    gain = g->global_gain - 210;
    shift = g->scalefac_scale + 1;
    bstab = band_size_long[s->sample_rate_index];
    pretab = mpa_pretab[g->preflag];
    for(i=0;i<g->long_end;i++) {
        v0 = gain - ((g->scale_factors[i] + pretab[i]) << shift) + 400;
        len = bstab[i];
        for(j=len;j>0;j--)
            *exp_ptr++ = v0;
    }
    if (g->short_start < 13) {
        bstab = band_size_short[s->sample_rate_index];
        gains[0] = gain - (g->subblock_gain[0] << 3);
        gains[1] = gain - (g->subblock_gain[1] << 3);
        gains[2] = gain - (g->subblock_gain[2] << 3);
        k = g->long_end;
        for(i=g->short_start;i<13;i++) {
            len = bstab[i];
            for(l=0;l<3;l++) {
                v0 = gains[l] - (g->scale_factors[k++] << shift) + 400;
                for(j=len;j>0;j--)
                *exp_ptr++ = v0;
            }
        }
    }
}
['static int decode_frame_mp3on4(AVCodecContext * avctx,\n                        void *data, int *data_size,\n                        AVPacket *avpkt)\n{\n    const uint8_t *buf = avpkt->data;\n    int buf_size = avpkt->size;\n    MP3On4DecodeContext *s = avctx->priv_data;\n    MPADecodeContext *m;\n    int fsize, len = buf_size, out_size = 0;\n    uint32_t header;\n    OUT_INT *out_samples = data;\n    OUT_INT *outptr, *bp;\n    int fr, j, n, ch;\n    if (*data_size < MPA_FRAME_SIZE * avctx->channels * sizeof(OUT_INT)) {\n        av_log(avctx, AV_LOG_ERROR, "output buffer is too small\\n");\n        return AVERROR(EINVAL);\n    }\n    *data_size = 0;\n    if (buf_size < HEADER_SIZE)\n        return -1;\n    outptr = s->frames == 1 ? out_samples : s->decoded_buf;\n    avctx->bit_rate = 0;\n    ch = 0;\n    for (fr = 0; fr < s->frames; fr++) {\n        fsize = AV_RB16(buf) >> 4;\n        fsize = FFMIN3(fsize, len, MPA_MAX_CODED_FRAME_SIZE);\n        m = s->mp3decctx[fr];\n        assert (m != NULL);\n        header = (AV_RB32(buf) & 0x000fffff) | s->syncword;\n        if (ff_mpa_check_header(header) < 0)\n            break;\n        avpriv_mpegaudio_decode_header((MPADecodeHeader *)m, header);\n        if (ch + m->nb_channels > avctx->channels) {\n            av_log(avctx, AV_LOG_ERROR, "frame channel count exceeds codec "\n                                        "channel count\\n");\n            return AVERROR_INVALIDDATA;\n        }\n        ch += m->nb_channels;\n        out_size += mp_decode_frame(m, outptr, buf, fsize);\n        buf += fsize;\n        len -= fsize;\n        if(s->frames > 1) {\n            n = m->avctx->frame_size*m->nb_channels;\n            bp = out_samples + s->coff[fr];\n            if(m->nb_channels == 1) {\n                for(j = 0; j < n; j++) {\n                    *bp = s->decoded_buf[j];\n                    bp += avctx->channels;\n                }\n            } else {\n                for(j = 0; j < n; j++) {\n                    bp[0] = s->decoded_buf[j++];\n                    bp[1] = s->decoded_buf[j];\n                    bp += avctx->channels;\n                }\n            }\n        }\n        avctx->bit_rate += m->bit_rate;\n    }\n    avctx->sample_rate = s->mp3decctx[0]->sample_rate;\n    *data_size = out_size;\n    return buf_size;\n}', 'static av_always_inline av_const uint32_t av_bswap32(uint32_t x)\n{\n    x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);\n    x= (x>>16) | (x<<16);\n    return x;\n}', 'int avpriv_mpegaudio_decode_header(MPADecodeHeader *s, uint32_t header)\n{\n    int sample_rate, frame_size, mpeg25, padding;\n    int sample_rate_index, bitrate_index;\n    if (header & (1<<20)) {\n        s->lsf = (header & (1<<19)) ? 0 : 1;\n        mpeg25 = 0;\n    } else {\n        s->lsf = 1;\n        mpeg25 = 1;\n    }\n    s->layer = 4 - ((header >> 17) & 3);\n    sample_rate_index = (header >> 10) & 3;\n    sample_rate = avpriv_mpa_freq_tab[sample_rate_index] >> (s->lsf + mpeg25);\n    sample_rate_index += 3 * (s->lsf + mpeg25);\n    s->sample_rate_index = sample_rate_index;\n    s->error_protection = ((header >> 16) & 1) ^ 1;\n    s->sample_rate = sample_rate;\n    bitrate_index = (header >> 12) & 0xf;\n    padding = (header >> 9) & 1;\n    s->mode = (header >> 6) & 3;\n    s->mode_ext = (header >> 4) & 3;\n    if (s->mode == MPA_MONO)\n        s->nb_channels = 1;\n    else\n        s->nb_channels = 2;\n    if (bitrate_index != 0) {\n        frame_size = avpriv_mpa_bitrate_tab[s->lsf][s->layer - 1][bitrate_index];\n        s->bit_rate = frame_size * 1000;\n        switch(s->layer) {\n        case 1:\n            frame_size = (frame_size * 12000) / sample_rate;\n            frame_size = (frame_size + padding) * 4;\n            break;\n        case 2:\n            frame_size = (frame_size * 144000) / sample_rate;\n            frame_size += padding;\n            break;\n        default:\n        case 3:\n            frame_size = (frame_size * 144000) / (sample_rate << s->lsf);\n            frame_size += padding;\n            break;\n        }\n        s->frame_size = frame_size;\n    } else {\n        return 1;\n    }\n#if defined(DEBUG)\n    av_dlog(NULL, "layer%d, %d Hz, %d kbits/s, ",\n           s->layer, s->sample_rate, s->bit_rate);\n    if (s->nb_channels == 2) {\n        if (s->layer == 3) {\n            if (s->mode_ext & MODE_EXT_MS_STEREO)\n                av_dlog(NULL, "ms-");\n            if (s->mode_ext & MODE_EXT_I_STEREO)\n                av_dlog(NULL, "i-");\n        }\n        av_dlog(NULL, "stereo");\n    } else {\n        av_dlog(NULL, "mono");\n    }\n    av_dlog(NULL, "\\n");\n#endif\n    return 0;\n}', 'static int mp_decode_frame(MPADecodeContext *s,\n                           OUT_INT *samples, const uint8_t *buf, int buf_size)\n{\n    int i, nb_frames, ch;\n    OUT_INT *samples_ptr;\n    init_get_bits(&s->gb, buf + HEADER_SIZE, (buf_size - HEADER_SIZE)*8);\n    if (s->error_protection)\n        skip_bits(&s->gb, 16);\n    av_dlog(s->avctx, "frame %d:\\n", s->frame_count);\n    switch(s->layer) {\n    case 1:\n        s->avctx->frame_size = 384;\n        nb_frames = mp_decode_layer1(s);\n        break;\n    case 2:\n        s->avctx->frame_size = 1152;\n        nb_frames = mp_decode_layer2(s);\n        break;\n    case 3:\n        s->avctx->frame_size = s->lsf ? 576 : 1152;\n    default:\n        nb_frames = mp_decode_layer3(s);\n        s->last_buf_size=0;\n        if(s->in_gb.buffer){\n            align_get_bits(&s->gb);\n            i= get_bits_left(&s->gb)>>3;\n            if(i >= 0 && i <= BACKSTEP_SIZE){\n                memmove(s->last_buf, s->gb.buffer + (get_bits_count(&s->gb)>>3), i);\n                s->last_buf_size=i;\n            }else\n                av_log(s->avctx, AV_LOG_ERROR, "invalid old backstep %d\\n", i);\n            s->gb= s->in_gb;\n            s->in_gb.buffer= NULL;\n        }\n        align_get_bits(&s->gb);\n        assert((get_bits_count(&s->gb) & 7) == 0);\n        i= get_bits_left(&s->gb)>>3;\n        if(i<0 || i > BACKSTEP_SIZE || nb_frames<0){\n            if(i<0)\n                av_log(s->avctx, AV_LOG_ERROR, "invalid new backstep %d\\n", i);\n            i= FFMIN(BACKSTEP_SIZE, buf_size - HEADER_SIZE);\n        }\n        assert(i <= buf_size - HEADER_SIZE && i>= 0);\n        memcpy(s->last_buf + s->last_buf_size, s->gb.buffer + buf_size - HEADER_SIZE - i, i);\n        s->last_buf_size += i;\n        break;\n    }\n    for(ch=0;ch<s->nb_channels;ch++) {\n        samples_ptr = samples + ch;\n        for(i=0;i<nb_frames;i++) {\n            RENAME(ff_mpa_synth_filter)(\n                         &s->mpadsp,\n                         s->synth_buf[ch], &(s->synth_buf_offset[ch]),\n                         RENAME(ff_mpa_synth_window), &s->dither_state,\n                         samples_ptr, s->nb_channels,\n                         s->sb_samples[ch][i]);\n            samples_ptr += 32 * s->nb_channels;\n        }\n    }\n    return nb_frames * 32 * sizeof(OUT_INT) * s->nb_channels;\n}', 'static int mp_decode_layer3(MPADecodeContext *s)\n{\n    int nb_granules, main_data_begin;\n    int gr, ch, blocksplit_flag, i, j, k, n, bits_pos;\n    GranuleDef *g;\n    int16_t exponents[576];\n    if (s->lsf) {\n        main_data_begin = get_bits(&s->gb, 8);\n        skip_bits(&s->gb, s->nb_channels);\n        nb_granules = 1;\n    } else {\n        main_data_begin = get_bits(&s->gb, 9);\n        if (s->nb_channels == 2)\n            skip_bits(&s->gb, 3);\n        else\n            skip_bits(&s->gb, 5);\n        nb_granules = 2;\n        for(ch=0;ch<s->nb_channels;ch++) {\n            s->granules[ch][0].scfsi = 0;\n            s->granules[ch][1].scfsi = get_bits(&s->gb, 4);\n        }\n    }\n    for(gr=0;gr<nb_granules;gr++) {\n        for(ch=0;ch<s->nb_channels;ch++) {\n            av_dlog(s->avctx, "gr=%d ch=%d: side_info\\n", gr, ch);\n            g = &s->granules[ch][gr];\n            g->part2_3_length = get_bits(&s->gb, 12);\n            g->big_values = get_bits(&s->gb, 9);\n            if(g->big_values > 288){\n                av_log(s->avctx, AV_LOG_ERROR, "big_values too big\\n");\n                return -1;\n            }\n            g->global_gain = get_bits(&s->gb, 8);\n            if ((s->mode_ext & (MODE_EXT_MS_STEREO | MODE_EXT_I_STEREO)) ==\n                MODE_EXT_MS_STEREO)\n                g->global_gain -= 2;\n            if (s->lsf)\n                g->scalefac_compress = get_bits(&s->gb, 9);\n            else\n                g->scalefac_compress = get_bits(&s->gb, 4);\n            blocksplit_flag = get_bits1(&s->gb);\n            if (blocksplit_flag) {\n                g->block_type = get_bits(&s->gb, 2);\n                if (g->block_type == 0){\n                    av_log(s->avctx, AV_LOG_ERROR, "invalid block type\\n");\n                    return -1;\n                }\n                g->switch_point = get_bits1(&s->gb);\n                for(i=0;i<2;i++)\n                    g->table_select[i] = get_bits(&s->gb, 5);\n                for(i=0;i<3;i++)\n                    g->subblock_gain[i] = get_bits(&s->gb, 3);\n                ff_init_short_region(s, g);\n            } else {\n                int region_address1, region_address2;\n                g->block_type = 0;\n                g->switch_point = 0;\n                for(i=0;i<3;i++)\n                    g->table_select[i] = get_bits(&s->gb, 5);\n                region_address1 = get_bits(&s->gb, 4);\n                region_address2 = get_bits(&s->gb, 3);\n                av_dlog(s->avctx, "region1=%d region2=%d\\n",\n                        region_address1, region_address2);\n                ff_init_long_region(s, g, region_address1, region_address2);\n            }\n            ff_region_offset2size(g);\n            ff_compute_band_indexes(s, g);\n            g->preflag = 0;\n            if (!s->lsf)\n                g->preflag = get_bits1(&s->gb);\n            g->scalefac_scale = get_bits1(&s->gb);\n            g->count1table_select = get_bits1(&s->gb);\n            av_dlog(s->avctx, "block_type=%d switch_point=%d\\n",\n                    g->block_type, g->switch_point);\n        }\n    }\n  if (!s->adu_mode) {\n    const uint8_t *ptr = s->gb.buffer + (get_bits_count(&s->gb)>>3);\n    assert((get_bits_count(&s->gb) & 7) == 0);\n    av_dlog(s->avctx, "seekback: %d\\n", main_data_begin);\n    memcpy(s->last_buf + s->last_buf_size, ptr, EXTRABYTES);\n    s->in_gb= s->gb;\n        init_get_bits(&s->gb, s->last_buf, s->last_buf_size*8);\n        skip_bits_long(&s->gb, 8*(s->last_buf_size - main_data_begin));\n  }\n    for(gr=0;gr<nb_granules;gr++) {\n        for(ch=0;ch<s->nb_channels;ch++) {\n            g = &s->granules[ch][gr];\n            if(get_bits_count(&s->gb)<0){\n                av_log(s->avctx, AV_LOG_DEBUG, "mdb:%d, lastbuf:%d skipping granule %d\\n",\n                                            main_data_begin, s->last_buf_size, gr);\n                skip_bits_long(&s->gb, g->part2_3_length);\n                memset(g->sb_hybrid, 0, sizeof(g->sb_hybrid));\n                if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->in_gb.buffer){\n                    skip_bits_long(&s->in_gb, get_bits_count(&s->gb) - s->gb.size_in_bits);\n                    s->gb= s->in_gb;\n                    s->in_gb.buffer=NULL;\n                }\n                continue;\n            }\n            bits_pos = get_bits_count(&s->gb);\n            if (!s->lsf) {\n                uint8_t *sc;\n                int slen, slen1, slen2;\n                slen1 = slen_table[0][g->scalefac_compress];\n                slen2 = slen_table[1][g->scalefac_compress];\n                av_dlog(s->avctx, "slen1=%d slen2=%d\\n", slen1, slen2);\n                if (g->block_type == 2) {\n                    n = g->switch_point ? 17 : 18;\n                    j = 0;\n                    if(slen1){\n                        for(i=0;i<n;i++)\n                            g->scale_factors[j++] = get_bits(&s->gb, slen1);\n                    }else{\n                        for(i=0;i<n;i++)\n                            g->scale_factors[j++] = 0;\n                    }\n                    if(slen2){\n                        for(i=0;i<18;i++)\n                            g->scale_factors[j++] = get_bits(&s->gb, slen2);\n                        for(i=0;i<3;i++)\n                            g->scale_factors[j++] = 0;\n                    }else{\n                        for(i=0;i<21;i++)\n                            g->scale_factors[j++] = 0;\n                    }\n                } else {\n                    sc = s->granules[ch][0].scale_factors;\n                    j = 0;\n                    for(k=0;k<4;k++) {\n                        n = (k == 0 ? 6 : 5);\n                        if ((g->scfsi & (0x8 >> k)) == 0) {\n                            slen = (k < 2) ? slen1 : slen2;\n                            if(slen){\n                                for(i=0;i<n;i++)\n                                    g->scale_factors[j++] = get_bits(&s->gb, slen);\n                            }else{\n                                for(i=0;i<n;i++)\n                                    g->scale_factors[j++] = 0;\n                            }\n                        } else {\n                            for(i=0;i<n;i++) {\n                                g->scale_factors[j] = sc[j];\n                                j++;\n                            }\n                        }\n                    }\n                    g->scale_factors[j++] = 0;\n                }\n            } else {\n                int tindex, tindex2, slen[4], sl, sf;\n                if (g->block_type == 2) {\n                    tindex = g->switch_point ? 2 : 1;\n                } else {\n                    tindex = 0;\n                }\n                sf = g->scalefac_compress;\n                if ((s->mode_ext & MODE_EXT_I_STEREO) && ch == 1) {\n                    sf >>= 1;\n                    if (sf < 180) {\n                        lsf_sf_expand(slen, sf, 6, 6, 0);\n                        tindex2 = 3;\n                    } else if (sf < 244) {\n                        lsf_sf_expand(slen, sf - 180, 4, 4, 0);\n                        tindex2 = 4;\n                    } else {\n                        lsf_sf_expand(slen, sf - 244, 3, 0, 0);\n                        tindex2 = 5;\n                    }\n                } else {\n                    if (sf < 400) {\n                        lsf_sf_expand(slen, sf, 5, 4, 4);\n                        tindex2 = 0;\n                    } else if (sf < 500) {\n                        lsf_sf_expand(slen, sf - 400, 5, 4, 0);\n                        tindex2 = 1;\n                    } else {\n                        lsf_sf_expand(slen, sf - 500, 3, 0, 0);\n                        tindex2 = 2;\n                        g->preflag = 1;\n                    }\n                }\n                j = 0;\n                for(k=0;k<4;k++) {\n                    n = lsf_nsf_table[tindex2][tindex][k];\n                    sl = slen[k];\n                    if(sl){\n                        for(i=0;i<n;i++)\n                            g->scale_factors[j++] = get_bits(&s->gb, sl);\n                    }else{\n                        for(i=0;i<n;i++)\n                            g->scale_factors[j++] = 0;\n                    }\n                }\n                for(;j<40;j++)\n                    g->scale_factors[j] = 0;\n            }\n            exponents_from_scale_factors(s, g, exponents);\n            huffman_decode(s, g, exponents, bits_pos + g->part2_3_length);\n        }\n        if (s->nb_channels == 2)\n            compute_stereo(s, &s->granules[0][gr], &s->granules[1][gr]);\n        for(ch=0;ch<s->nb_channels;ch++) {\n            g = &s->granules[ch][gr];\n            reorder_block(s, g);\n            compute_antialias(s, g);\n            compute_imdct(s, g, &s->sb_samples[ch][18 * gr][0], s->mdct_buf[ch]);\n        }\n    }\n    if(get_bits_count(&s->gb)<0)\n        skip_bits_long(&s->gb, -get_bits_count(&s->gb));\n    return nb_granules * 18;\n}', 'static void exponents_from_scale_factors(MPADecodeContext *s,\n                                         GranuleDef *g,\n                                         int16_t *exponents)\n{\n    const uint8_t *bstab, *pretab;\n    int len, i, j, k, l, v0, shift, gain, gains[3];\n    int16_t *exp_ptr;\n    exp_ptr = exponents;\n    gain = g->global_gain - 210;\n    shift = g->scalefac_scale + 1;\n    bstab = band_size_long[s->sample_rate_index];\n    pretab = mpa_pretab[g->preflag];\n    for(i=0;i<g->long_end;i++) {\n        v0 = gain - ((g->scale_factors[i] + pretab[i]) << shift) + 400;\n        len = bstab[i];\n        for(j=len;j>0;j--)\n            *exp_ptr++ = v0;\n    }\n    if (g->short_start < 13) {\n        bstab = band_size_short[s->sample_rate_index];\n        gains[0] = gain - (g->subblock_gain[0] << 3);\n        gains[1] = gain - (g->subblock_gain[1] << 3);\n        gains[2] = gain - (g->subblock_gain[2] << 3);\n        k = g->long_end;\n        for(i=g->short_start;i<13;i++) {\n            len = bstab[i];\n            for(l=0;l<3;l++) {\n                v0 = gains[l] - (g->scale_factors[k++] << shift) + 400;\n                for(j=len;j>0;j--)\n                *exp_ptr++ = v0;\n            }\n        }\n    }\n}']