av_dict_set(&st->metadata, "title", alt, 0);
            }

            if (sscanf(p, "%02d:%02d:%02d:%03d, filepos: %"SCNx64,
                       &hh, &mm, &ss, &ms, &pos) != 5) {
                av_log(s, AV_LOG_ERROR, "Unable to parse timestamp line '%s', "
                       "abort parsing\n", line);
                ret = AVERROR_INVALIDDATA;
                goto end;

            

Reported by FlawFinder.

              
typedef struct MpegDemuxContext {
    int32_t header_state;
    unsigned char psm_es_type[256];
    int sofdec;
    int dvd;
    int imkh_cctv;
    int raw_ac3;
} MpegDemuxContext;

            

Reported by FlawFinder.

              static int mpegps_read_header(AVFormatContext *s)
{
    MpegDemuxContext *m = s->priv_data;
    char buffer[7] = { 0 };
    int64_t last_pos = avio_tell(s->pb);

    m->header_state = 0xff;
    s->ctx_flags   |= AVFMTCTX_NOHEADER;


            

Reported by FlawFinder.

                      codec_id = AV_CODEC_ID_PCM_MULAW;
        type     = AVMEDIA_TYPE_AUDIO;
    } else if (startcode >= 0x1e0 && startcode <= 0x1ef) {
        static const unsigned char avs_seqh[4] = { 0, 0, 1, 0xb0 };
        unsigned char buf[8];

        avio_read(s->pb, buf, 8);
        avio_seek(s->pb, -8, SEEK_CUR);
        if (!memcmp(buf, avs_seqh, 4) && (buf[6] != 0 || buf[7] != 1))

            

Reported by FlawFinder.

                      type     = AVMEDIA_TYPE_AUDIO;
    } else if (startcode >= 0x1e0 && startcode <= 0x1ef) {
        static const unsigned char avs_seqh[4] = { 0, 0, 1, 0xb0 };
        unsigned char buf[8];

        avio_read(s->pb, buf, 8);
        avio_seek(s->pb, -8, SEEK_CUR);
        if (!memcmp(buf, avs_seqh, 4) && (buf[6] != 0 || buf[7] != 1))
            codec_id = AV_CODEC_ID_CAVS;

            

Reported by FlawFinder.

                  int64_t delay = 0;
    AVStream *st = NULL;
    int stream_id = -1;
    char id[64] = {0};
    char alt[MAX_LINE_SIZE] = {0};

    if (!vobsub->sub_name) {
        char *ext;
        vobsub->sub_name = av_strdup(s->url);

            

Reported by FlawFinder.

                  AVStream *st = NULL;
    int stream_id = -1;
    char id[64] = {0};
    char alt[MAX_LINE_SIZE] = {0};

    if (!vobsub->sub_name) {
        char *ext;
        vobsub->sub_name = av_strdup(s->url);
        if (!vobsub->sub_name) {

            

Reported by FlawFinder.

                                 "to guess the associated .SUB file\n");
            return AVERROR_INVALIDDATA;
        }
        memcpy(ext, !strncmp(ext, "IDX", 3) ? "SUB" : "sub", 3);
        av_log(s, AV_LOG_VERBOSE, "IDX/SUB: %s -> %s\n", s->url, vobsub->sub_name);
    }

    if (!(iformat = av_find_input_format("mpeg"))) {
        return AVERROR_DEMUXER_NOT_FOUND;

            

Reported by FlawFinder.

                  av_bprint_init(&header, 0, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);

    while (!avio_feof(s->pb)) {
        char line[MAX_LINE_SIZE];
        int len = ff_get_line(s->pb, line, sizeof(line));

        if (!len)
            break;


            

Reported by FlawFinder.

                          if (sscanf(line, "id: %63[^,], index: %u", id, &stream_id) != 2) {
                av_log(s, AV_LOG_WARNING, "Unable to parse index line '%s', "
                       "assuming 'id: und, index: 0'\n", line);
                strcpy(id, "und");
                stream_id = 0;
            }

            if (stream_id >= FF_ARRAY_ELEMS(vobsub->q)) {
                av_log(s, AV_LOG_ERROR, "Maximum number of subtitles streams reached\n");

            

Reported by FlawFinder.

              {
    int64_t pos = avio_tell(pb);

    if (avio_seek(pb, master.pos - master.sizebytes, SEEK_SET) < 0)
        return;
    put_ebml_length(pb, pos - master.pos, master.sizebytes);
    avio_seek(pb, pos, SEEK_SET);
}


            

Reported by Cppcheck.

                  }

    if (!tag)
        end_ebml_master(*pb, tag2);

    return 0;
}

static int mkv_check_tag(const AVDictionary *m, uint32_t elementid)

            

Reported by Cppcheck.

                          // 2 (ebml id) + 1 (data size) + 20 (data)
            put_ebml_void(pb, 23);
            end_ebml_master(pb, simpletag);
            end_ebml_master(pb, tag);
        }
    }

    if (mkv->nb_attachments && mkv->mode != MODE_WEBM) {
        for (i = 0; i < s->nb_streams; i++) {

            

Reported by Cppcheck.

                      uint8_t buf[32];
        int64_t len;

        snprintf(buf, sizeof(buf), "0x%"PRIx64, par->channel_layout);
        av_dict_set(&dict, "WAVEFORMATEXTENSIBLE_CHANNEL_MASK", buf, 0);

        len = ff_vorbiscomment_length(dict, vendor, NULL, 0);
        av_assert1(len < (1 << 24) - 4);


            

Reported by FlawFinder.

                  // convert metadata into proper side data and add it to the stream
    if ((tag = av_dict_get(st->metadata, "stereo_mode", NULL, 0)) ||
        (tag = av_dict_get( s->metadata, "stereo_mode", NULL, 0))) {
        int stereo_mode = atoi(tag->value);

        for (int i = 0; i < MATROSKA_VIDEO_STEREOMODE_TYPE_NB; i++)
            if (!strcmp(tag->value, ff_matroska_video_stereo_mode[i])){
                stereo_mode = i;
                break;

            

Reported by FlawFinder.

                      if (ret < 0)
            return ret;

        if (((tag = av_dict_get(st->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) ||
            ((tag = av_dict_get( s->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) ||
            (par->format == AV_PIX_FMT_YUVA420P)) {
            put_ebml_uint(pb, MATROSKA_ID_VIDEOALPHAMODE, 1);
        }


            

Reported by FlawFinder.

                          return ret;

        if (((tag = av_dict_get(st->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) ||
            ((tag = av_dict_get( s->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) ||
            (par->format == AV_PIX_FMT_YUVA420P)) {
            put_ebml_uint(pb, MATROSKA_ID_VIDEOALPHAMODE, 1);
        }

        // write DisplayWidth and DisplayHeight, they contain the size of

            

Reported by FlawFinder.

                          offset += 4;
        }

        memcpy(dst + offset, src, header.blocksize);
        src    += header.blocksize;
        srclen -= header.blocksize;
        offset += header.blocksize;
    }


            

Reported by FlawFinder.

                          ret = ff_alloc_extradata(par, side_data_size);
            if (ret < 0)
                return ret;
            memcpy(par->extradata, side_data, side_data_size);
            avio_seek(mkv->track.bc, track->codecpriv_offset, SEEK_SET);
            mkv_write_codecprivate(s, mkv->track.bc, par, 1, 0);
            filler = MAX_PCE_SIZE + 2 + 4 - (avio_tell(mkv->track.bc) - track->codecpriv_offset);
            if (filler)
                put_ebml_void(mkv->track.bc, filler);

            

Reported by FlawFinder.

                          ret = ff_alloc_extradata(par, side_data_size);
            if (ret < 0)
                return ret;
            memcpy(par->extradata, side_data, side_data_size);
        } else if (!par->extradata_size)
            return AVERROR_INVALIDDATA;
        break;
    default:
        if (side_data_size)

            

Reported by FlawFinder.

              {
    do {
        /* can be either averagebandwidth= or AverageBandwidth= */
        if (sscanf(p, " %*1[Aa]verage%*1[Bb]andwidth=%"SCNd64, &st->codecpar->bit_rate) == 1)
            break;
        if (!(p = strchr(p, ',')) || p > end)
            p = end;
        p++;
    } while (p < end);

            

Reported by FlawFinder.

                  RMStream **rmst;
    uint8_t *mlti_data;
    unsigned int mlti_data_size;
    char buffer[RTP_MAX_PACKET_LENGTH + AV_INPUT_BUFFER_PADDING_SIZE];
    int audio_pkt_cnt; /**< remaining audio packets in rmdec */
};

void
ff_rdt_calc_response_and_checksum(char response[41], char chksum[9],

            

Reported by FlawFinder.

              };

void
ff_rdt_calc_response_and_checksum(char response[41], char chksum[9],
                                  const char *challenge)
{
    int ch_len = strlen (challenge), i;
    unsigned char zres[16],
        buf[64] = { 0xa1, 0xe9, 0x14, 0x9d, 0x0e, 0x6b, 0x3b, 0x59 };

            

Reported by FlawFinder.

              };

void
ff_rdt_calc_response_and_checksum(char response[41], char chksum[9],
                                  const char *challenge)
{
    int ch_len = strlen (challenge), i;
    unsigned char zres[16],
        buf[64] = { 0xa1, 0xe9, 0x14, 0x9d, 0x0e, 0x6b, 0x3b, 0x59 };

            

Reported by FlawFinder.

                                                const char *challenge)
{
    int ch_len = strlen (challenge), i;
    unsigned char zres[16],
        buf[64] = { 0xa1, 0xe9, 0x14, 0x9d, 0x0e, 0x6b, 0x3b, 0x59 };
#define XOR_TABLE_SIZE 37
    static const unsigned char xor_table[XOR_TABLE_SIZE] = {
        0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53,
        0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70,

            

Reported by FlawFinder.

                  unsigned char zres[16],
        buf[64] = { 0xa1, 0xe9, 0x14, 0x9d, 0x0e, 0x6b, 0x3b, 0x59 };
#define XOR_TABLE_SIZE 37
    static const unsigned char xor_table[XOR_TABLE_SIZE] = {
        0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53,
        0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70,
        0x08, 0x27, 0x66, 0x10, 0x10, 0x72, 0x08, 0x09,
        0x63, 0x11, 0x03, 0x71, 0x08, 0x08, 0x70, 0x02,
        0x10, 0x57, 0x05, 0x18, 0x54 };

            

Reported by FlawFinder.

                      ch_len = 32;
    else if (ch_len > 56)
        ch_len = 56;
    memcpy(buf + 8, challenge, ch_len);

    /* xor challenge bytewise with xor_table */
    for (i = 0; i < XOR_TABLE_SIZE; i++)
        buf[8 + i] ^= xor_table[i];


            

Reported by FlawFinder.

                  ff_data_to_hex(response, zres, 16, 1);

    /* add tail */
    strcpy (response + 32, "01d0a8e3");

    /* calculate checksum */
    for (i = 0; i < 8; i++)
        chksum[i] = response[i * 4];
    chksum[8] = 0;

            

Reported by FlawFinder.

                          return res;
        if (res > 0) {
            if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
                memcpy (rdt->buffer, buf + pos, len - pos);
                rdt->rmctx->pb = avio_alloc_context (rdt->buffer, len - pos, 0,
                                                    NULL, NULL, NULL, NULL);
            }
            goto get_cache;
        }

            

Reported by FlawFinder.

                  if (av_strstart(p, "OpaqueData:buffer;", &p)) {
        rdt->mlti_data = rdt_parse_b64buf(&rdt->mlti_data_size, p);
    } else if (av_strstart(p, "StartTime:integer;", &p))
        stream->internal->first_dts = atoi(p);
    else if (av_strstart(p, "ASMRuleBook:string;", &p)) {
        int n, first = -1;

        for (n = 0; n < s->nb_streams; n++)
            if (s->streams[n]->id == stream->id) {

            

Reported by FlawFinder.

                  double thigh = 0.0, tlow = 0.0;
    int buff_idx = 1 + skip;

    memcpy(buffer, in, buff_idx * sizeof(*buffer));
    memset(buffer + buff_idx, 0, (buffer_length - buff_idx) * sizeof(*buffer));

    for (int i = 0; i < out_length - 1; i++) {
        double thigh = 0.0, tlow = 0.0;


            

Reported by FlawFinder.

                  cp->temp_in_length = in_length + leftext;

    if (leftext)
        memcpy(cp->temp_in, cp->prev + s->prev_length - leftext, leftext * sizeof(*cp->temp_in));
    memcpy(cp->temp_in + leftext, in, in_length * sizeof(*in));

    if (levels == 1) {
        conv_down(cp->temp_in, cp->temp_in_length, out[1], out[0], out_length[1],
                 s->lp, s->hp, s->wavelet_length, skip,

            

Reported by FlawFinder.

              
    if (leftext)
        memcpy(cp->temp_in, cp->prev + s->prev_length - leftext, leftext * sizeof(*cp->temp_in));
    memcpy(cp->temp_in + leftext, in, in_length * sizeof(*in));

    if (levels == 1) {
        conv_down(cp->temp_in, cp->temp_in_length, out[1], out[0], out_length[1],
                 s->lp, s->hp, s->wavelet_length, skip,
                 cp->buffer, cp->buffer_length);

            

Reported by FlawFinder.

                               cp->tempa, cp->tempd, cp->tempa_length,
                 s->lp, s->hp, s->wavelet_length, skip,
                 cp->buffer, cp->buffer_length);
        memcpy(out[0], cp->tempd + discard, out_length[0] * sizeof(**out));
        tempa_length_prev = cp->tempa_length;

        for (int level = 1; level < levels - 1; level++) {
            if (out_length[level] == 0)
                return 0;

            

Reported by FlawFinder.

                                   cp->tempa, cp->tempd, cp->tempa_length,
                     s->lp, s->hp, s->wavelet_length, skip,
                     cp->buffer, cp->buffer_length);
            memcpy(out[level], cp->tempd + discard, out_length[level] * sizeof(**out));
            tempa_length_prev = cp->tempa_length;
        }

        if (out_length[levels] == 0)
            return 0;

            

Reported by FlawFinder.

                  }

    if (s->prev_length < in_length) {
        memcpy(cp->prev, in + in_length - cp->max_left_ext, cp->max_left_ext * sizeof(*cp->prev));
    } else {
        memmove(cp->prev, cp->prev + in_length, (s->prev_length - in_length) * sizeof(*cp->prev));
        memcpy(cp->prev + s->prev_length - in_length, in, in_length * sizeof(*cp->prev));
    }


            

Reported by FlawFinder.

                      memcpy(cp->prev, in + in_length - cp->max_left_ext, cp->max_left_ext * sizeof(*cp->prev));
    } else {
        memmove(cp->prev, cp->prev + in_length, (s->prev_length - in_length) * sizeof(*cp->prev));
        memcpy(cp->prev + s->prev_length - in_length, in, in_length * sizeof(*cp->prev));
    }

    return 0;
}


            

Reported by FlawFinder.

                      conv_up(in[1], in[0], in_length[1], cp->temp_in, cp->temp_in_length,
                s->ilp, s->ihp, s->wavelet_length,
                cp->buffer, cp->buffer2, cp->buffer_length);
        memcpy(out + cp->max_left_ext - leftext, cp->temp_in + temp_skip,
               FFMAX(0, out_length - (cp->max_left_ext - leftext)) * sizeof(*out));
    } else {
        double *hp1, *hp2;
        int add, add2;


            

Reported by FlawFinder.

              
    memset(cp->temp_in, 0, temp_skip * sizeof(*cp->temp_in));
    if (s->overlap_length <= out_length) {
        memcpy(out + cp->max_left_ext - leftext, cp->temp_in + temp_skip,
               FFMAX(0, out_length - (cp->max_left_ext - leftext)) * sizeof(*out));
        for (int i = 0;i < FFMIN(s->overlap_length, out_length); i++)
            out[i] += cp->overlap[i];

        memcpy(cp->overlap, cp->temp_in + out_length - (cp->max_left_ext - leftext),

            

Reported by FlawFinder.

                      for (int i = 0;i < FFMIN(s->overlap_length, out_length); i++)
            out[i] += cp->overlap[i];

        memcpy(cp->overlap, cp->temp_in + out_length - (cp->max_left_ext - leftext),
               s->overlap_length * sizeof(*cp->overlap));
    } else {
        for (int i = 0;i < s->overlap_length - (cp->max_left_ext - leftext); i++)
            cp->overlap[i + cp->max_left_ext - leftext] += cp->temp_in[i];
        memcpy(out, cp->overlap, out_length * sizeof(*out));

            

Reported by FlawFinder.

                      }
#endif

        if (ConfigBitstreamRaw == 1)
            score = 1;
        else if (avctx->codec_id == AV_CODEC_ID_H264 && ConfigBitstreamRaw == 2)
            score = 2;
        else
            continue;

            

Reported by Cppcheck.

                      if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
            validate = dxva2_validate_output(service, *mode->guid, surface_format);
#endif
        if (validate) {
            *decoder_guid = *mode->guid;
            break;
        }
    }


            

Reported by Cppcheck.

                             type, (unsigned)hr);
        return -1;
    }
    if (size <= dxva_size) {
        memcpy(dxva_data, data, size);

#if CONFIG_D3D11VA
        if (ff_dxva2_is_d3d11(avctx)) {
            D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc;

            

Reported by Cppcheck.

                      return -1;
    }
    if (size <= dxva_size) {
        memcpy(dxva_data, data, size);

#if CONFIG_D3D11VA
        if (ff_dxva2_is_d3d11(avctx)) {
            D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc;
            memset(dsc11, 0, sizeof(*dsc11));

            

Reported by Cppcheck.

                                                               get_surface(avctx, frame),
                                                 NULL);
#endif
        if (hr != E_PENDING || ++runs > 50)
            break;
        ff_dxva2_unlock(avctx);
        av_usleep(2000);
    } while(1);


            

Reported by Cppcheck.

                  }
#endif
    result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
                                    type,
                                    pp, pp_size, 0);
    if (result) {
        av_log(avctx, AV_LOG_ERROR,
               "Failed to add picture parameter buffer\n");
        goto end;

            

Reported by Cppcheck.

                      }
#endif
        result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
                                        type,
                                        qm, qm_size, 0);
        if (result) {
            av_log(avctx, AV_LOG_ERROR,
                   "Failed to add inverse quantization matrix buffer\n");
            goto end;

            

Reported by Cppcheck.

              #if CONFIG_DXVA2
        if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
            DXVA2_DecodeBufferDesc *dsc2 = dsc;
            memset(dsc2, 0, sizeof(*dsc2));
            dsc2->CompressedBufferType = type;
            dsc2->DataSize             = size;
            dsc2->NumMBsInBuffer       = mb_count;
        }
#endif

            

Reported by Cppcheck.

                      if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
            DXVA2_DecodeBufferDesc *dsc2 = dsc;
            memset(dsc2, 0, sizeof(*dsc2));
            dsc2->CompressedBufferType = type;
            dsc2->DataSize             = size;
            dsc2->NumMBsInBuffer       = mb_count;
        }
#endif


            

Reported by Cppcheck.

                          DXVA2_DecodeBufferDesc *dsc2 = dsc;
            memset(dsc2, 0, sizeof(*dsc2));
            dsc2->CompressedBufferType = type;
            dsc2->DataSize             = size;
            dsc2->NumMBsInBuffer       = mb_count;
        }
#endif

        result = 0;

            

Reported by Cppcheck.

              
    declare_func(void, float *dst, const float *src, float mul, int len);

    memcpy(cdst, src2, LEN * sizeof(*src2));
    memcpy(odst, src2, LEN * sizeof(*src2));

    call_ref(cdst, src0, src1[0], LEN);
    call_new(odst, src0, src1[0], LEN);
    for (i = 0; i < LEN; i++) {

            

Reported by FlawFinder.

                  declare_func(void, float *dst, const float *src, float mul, int len);

    memcpy(cdst, src2, LEN * sizeof(*src2));
    memcpy(odst, src2, LEN * sizeof(*src2));

    call_ref(cdst, src0, src1[0], LEN);
    call_new(odst, src0, src1[0], LEN);
    for (i = 0; i < LEN; i++) {
        if (!float_near_abs_eps(cdst[i], odst[i], ARBITRARY_FMAC_SCALAR_CONST)) {

            

Reported by FlawFinder.

                          break;
        }
    }
    memcpy(odst, src2, LEN * sizeof(*src2));
    bench_new(odst, src0, src1[0], LEN);
}

static void test_vector_dmul_scalar(const double *src0, const double *src1)
{

            

Reported by FlawFinder.

              
    declare_func(void, double *dst, const double *src, double mul, int len);

    memcpy(cdst, src2, LEN * sizeof(*src2));
    memcpy(odst, src2, LEN * sizeof(*src2));
    call_ref(cdst, src0, src1[0], LEN);
    call_new(odst, src0, src1[0], LEN);
    for (i = 0; i < LEN; i++) {
        if (!double_near_abs_eps(cdst[i], odst[i], ARBITRARY_DMAC_SCALAR_CONST)) {

            

Reported by FlawFinder.

                  declare_func(void, double *dst, const double *src, double mul, int len);

    memcpy(cdst, src2, LEN * sizeof(*src2));
    memcpy(odst, src2, LEN * sizeof(*src2));
    call_ref(cdst, src0, src1[0], LEN);
    call_new(odst, src0, src1[0], LEN);
    for (i = 0; i < LEN; i++) {
        if (!double_near_abs_eps(cdst[i], odst[i], ARBITRARY_DMAC_SCALAR_CONST)) {
            fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",

            

Reported by FlawFinder.

                          break;
        }
    }
    memcpy(odst, src2, LEN * sizeof(*src2));
    bench_new(odst, src0, src1[0], LEN);
}

static void test_butterflies_float(const float *src0, const float *src1)
{

            

Reported by FlawFinder.

                  declare_func(void, float *av_restrict src0, float *av_restrict src1,
    int len);

    memcpy(cdst,  src0, LEN * sizeof(*src0));
    memcpy(cdst1, src1, LEN * sizeof(*src1));
    memcpy(odst,  src0, LEN * sizeof(*src0));
    memcpy(odst1, src1, LEN * sizeof(*src1));

    call_ref(cdst, cdst1, LEN);

            

Reported by FlawFinder.

                  int len);

    memcpy(cdst,  src0, LEN * sizeof(*src0));
    memcpy(cdst1, src1, LEN * sizeof(*src1));
    memcpy(odst,  src0, LEN * sizeof(*src0));
    memcpy(odst1, src1, LEN * sizeof(*src1));

    call_ref(cdst, cdst1, LEN);
    call_new(odst, odst1, LEN);

            

Reported by FlawFinder.

              
    memcpy(cdst,  src0, LEN * sizeof(*src0));
    memcpy(cdst1, src1, LEN * sizeof(*src1));
    memcpy(odst,  src0, LEN * sizeof(*src0));
    memcpy(odst1, src1, LEN * sizeof(*src1));

    call_ref(cdst, cdst1, LEN);
    call_new(odst, odst1, LEN);
    for (i = 0; i < LEN; i++) {

            

Reported by FlawFinder.

                  memcpy(cdst,  src0, LEN * sizeof(*src0));
    memcpy(cdst1, src1, LEN * sizeof(*src1));
    memcpy(odst,  src0, LEN * sizeof(*src0));
    memcpy(odst1, src1, LEN * sizeof(*src1));

    call_ref(cdst, cdst1, LEN);
    call_new(odst, odst1, LEN);
    for (i = 0; i < LEN; i++) {
        if (!float_near_abs_eps(cdst[i],  odst[i],  FLT_EPSILON) ||

            

Reported by FlawFinder.

                              switch (transform) {
                case TRANSFORM_MDCT:
                    if (do_inverse)
                        imdct_calc(m, &tab->re, &tab1->re);
                    else
                        mdct_calc(m, &tab->re, &tab1->re);
                    break;
                case TRANSFORM_FFT:
                    memcpy(tab, tab1, fft_size * sizeof(FFTComplex));

            

Reported by Cppcheck.

                                  if (do_inverse)
                        imdct_calc(m, &tab->re, &tab1->re);
                    else
                        mdct_calc(m, &tab->re, &tab1->re);
                    break;
                case TRANSFORM_FFT:
                    memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
                    fft_calc(s, tab);
                    break;

            

Reported by Cppcheck.

              #if FFT_FLOAT
                case TRANSFORM_RDFT:
                    memcpy(tab2, tab1, fft_size * sizeof(FFTSample));
                    rdft_calc(r, tab2);
                    break;
                case TRANSFORM_DCT:
                    memcpy(tab2, tab1, fft_size * sizeof(FFTSample));
                    dct_calc(d, tab2);
                    break;

            

Reported by Cppcheck.

                                  break;
                case TRANSFORM_DCT:
                    memcpy(tab2, tab1, fft_size * sizeof(FFTSample));
                    dct_calc(d, tab2);
                    break;
#endif /* FFT_FLOAT */
                }
            }
            duration = av_gettime_relative() - time_start;

            

Reported by Cppcheck.

                  av_lfg_init(&prng, 1);

    for (;;) {
        int c = getopt(argc, argv, "hsimrdn:f:c:");
        if (c == -1)
            break;
        switch (c) {
        case 'h':
            help();

            

Reported by FlawFinder.

                          transform = TRANSFORM_DCT;
            break;
        case 'n':
            fft_nbits = atoi(optarg);
            break;
        case 'f':
            scale = atof(optarg);
            break;
        case 'c':

            

Reported by FlawFinder.

                      break;
#endif /* CONFIG_MDCT */
    case TRANSFORM_FFT:
        memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
        fft_permute(s, tab);
        fft_calc(s, tab);

        fft_ref(tab_ref, tab1, fft_nbits);
        err = check_diff(&tab_ref->re, &tab->re, fft_size * 2, 1.0);

            

Reported by FlawFinder.

                              tab1[fft_size_2 + i].im = -tab1[fft_size_2 - i].im;
            }

            memcpy(tab2, tab1, fft_size * sizeof(FFTSample));
            tab2[1] = tab1[fft_size_2].re;

            rdft_calc(r, tab2);
            fft_ref(tab_ref, tab1, fft_nbits);
            for (i = 0; i < fft_size; i++) {

            

Reported by FlawFinder.

              #endif /* CONFIG_RDFT */
#if CONFIG_DCT
    case TRANSFORM_DCT:
        memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
        dct_calc(d, &tab->re);
        if (do_inverse)
            idct_ref(&tab_ref->re, &tab1->re, fft_nbits);
        else
            dct_ref(&tab_ref->re, &tab1->re, fft_nbits);

            

Reported by FlawFinder.

                                      mdct_calc(m, &tab->re, &tab1->re);
                    break;
                case TRANSFORM_FFT:
                    memcpy(tab, tab1, fft_size * sizeof(FFTComplex));
                    fft_calc(s, tab);
                    break;
#if FFT_FLOAT
                case TRANSFORM_RDFT:
                    memcpy(tab2, tab1, fft_size * sizeof(FFTSample));

            

Reported by FlawFinder.

              static int print_link_prop(AVBPrint *buf, AVFilterLink *link)
{
    char *format;
    char layout[64];
    AVBPrint dummy_buffer = { 0 };

    if (!buf)
        buf = &dummy_buffer;
    switch (link->type) {

            

Reported by FlawFinder.

                      unsigned max_in_name  = 0, max_out_name = 0;
        unsigned max_in_fmt   = 0, max_out_fmt  = 0;
        unsigned width, height, in_indent;
        unsigned lname = strlen(filter->name);
        unsigned ltype = strlen(filter->filter->name);

        for (j = 0; j < filter->nb_inputs; j++) {
            AVFilterLink *l = filter->inputs[j];
            unsigned ln = strlen(l->src->name) + 1 + strlen(l->srcpad->name);

            

Reported by FlawFinder.

                      unsigned max_in_fmt   = 0, max_out_fmt  = 0;
        unsigned width, height, in_indent;
        unsigned lname = strlen(filter->name);
        unsigned ltype = strlen(filter->filter->name);

        for (j = 0; j < filter->nb_inputs; j++) {
            AVFilterLink *l = filter->inputs[j];
            unsigned ln = strlen(l->src->name) + 1 + strlen(l->srcpad->name);
            max_src_name = FFMAX(max_src_name, ln);

            

Reported by FlawFinder.

              
        for (j = 0; j < filter->nb_inputs; j++) {
            AVFilterLink *l = filter->inputs[j];
            unsigned ln = strlen(l->src->name) + 1 + strlen(l->srcpad->name);
            max_src_name = FFMAX(max_src_name, ln);
            max_in_name = FFMAX(max_in_name, strlen(l->dstpad->name));
            max_in_fmt = FFMAX(max_in_fmt, print_link_prop(NULL, l));
        }
        for (j = 0; j < filter->nb_outputs; j++) {

            

Reported by FlawFinder.

              
        for (j = 0; j < filter->nb_inputs; j++) {
            AVFilterLink *l = filter->inputs[j];
            unsigned ln = strlen(l->src->name) + 1 + strlen(l->srcpad->name);
            max_src_name = FFMAX(max_src_name, ln);
            max_in_name = FFMAX(max_in_name, strlen(l->dstpad->name));
            max_in_fmt = FFMAX(max_in_fmt, print_link_prop(NULL, l));
        }
        for (j = 0; j < filter->nb_outputs; j++) {

            

Reported by FlawFinder.

                          AVFilterLink *l = filter->inputs[j];
            unsigned ln = strlen(l->src->name) + 1 + strlen(l->srcpad->name);
            max_src_name = FFMAX(max_src_name, ln);
            max_in_name = FFMAX(max_in_name, strlen(l->dstpad->name));
            max_in_fmt = FFMAX(max_in_fmt, print_link_prop(NULL, l));
        }
        for (j = 0; j < filter->nb_outputs; j++) {
            AVFilterLink *l = filter->outputs[j];
            unsigned ln = strlen(l->dst->name) + 1 + strlen(l->dstpad->name);

            

Reported by FlawFinder.

                      }
        for (j = 0; j < filter->nb_outputs; j++) {
            AVFilterLink *l = filter->outputs[j];
            unsigned ln = strlen(l->dst->name) + 1 + strlen(l->dstpad->name);
            max_dst_name = FFMAX(max_dst_name, ln);
            max_out_name = FFMAX(max_out_name, strlen(l->srcpad->name));
            max_out_fmt = FFMAX(max_out_fmt, print_link_prop(NULL, l));
        }
        in_indent = max_src_name + max_in_name + max_in_fmt;

            

Reported by FlawFinder.

                      }
        for (j = 0; j < filter->nb_outputs; j++) {
            AVFilterLink *l = filter->outputs[j];
            unsigned ln = strlen(l->dst->name) + 1 + strlen(l->dstpad->name);
            max_dst_name = FFMAX(max_dst_name, ln);
            max_out_name = FFMAX(max_out_name, strlen(l->srcpad->name));
            max_out_fmt = FFMAX(max_out_fmt, print_link_prop(NULL, l));
        }
        in_indent = max_src_name + max_in_name + max_in_fmt;

            

Reported by FlawFinder.

                          AVFilterLink *l = filter->outputs[j];
            unsigned ln = strlen(l->dst->name) + 1 + strlen(l->dstpad->name);
            max_dst_name = FFMAX(max_dst_name, ln);
            max_out_name = FFMAX(max_out_name, strlen(l->srcpad->name));
            max_out_fmt = FFMAX(max_out_fmt, print_link_prop(NULL, l));
        }
        in_indent = max_src_name + max_in_name + max_in_fmt;
        in_indent += in_indent ? 4 : 0;
        width = FFMAX(lname + 2, ltype + 4);

            

Reported by FlawFinder.

                              av_bprintf(buf, "%s:%s", l->src->name, l->srcpad->name);
                av_bprint_chars(buf, '-', e - buf->len);
                e = buf->len + max_in_fmt + 2 +
                    max_in_name - strlen(l->dstpad->name);
                print_link_prop(buf, l);
                av_bprint_chars(buf, '-', e - buf->len);
                av_bprintf(buf, "%s", l->dstpad->name);
            } else {
                av_bprint_chars(buf, ' ', in_indent);

            

Reported by FlawFinder.

                  else return;

    va_start(vl, fmt);
    vsnprintf(buf, sizeof(buf), fmt, vl);
    va_end(vl);

    for (i = 0; buf[i]; i++) {
        int char_y, mask;
        uint8_t *p = pic->data[0] + y*pic->linesize[0] + (x + i*8)*3;

            

Reported by FlawFinder.

                  if (ebur128->peak_mode & PEAK_MODE_ ## ptype ## _PEAKS) {               \
        char key[64];                                                       \
        for (ch = 0; ch < nb_channels; ch++) {                              \
            snprintf(key, sizeof(key),                                      \
                     META_PREFIX AV_STRINGIFY(name) "_peaks_ch%d", ch);     \
            SET_META(key, ebur128->name##_peaks[ch]);                       \
        }                                                                   \
    }                                                                       \
} while (0)

            

Reported by FlawFinder.

              static void drawtext(AVFrame *pic, int x, int y, int ftid, const uint8_t *color, const char *fmt, ...)
{
    int i;
    char buf[128] = {0};
    const uint8_t *font;
    int font_height;
    va_list vl;

    if      (ftid == FONT16) font = avpriv_vga16_font, font_height = 16;

            

Reported by FlawFinder.

                      for (char_y = 0; char_y < font_height; char_y++) {
            for (mask = 0x80; mask; mask >>= 1) {
                if (font[buf[i] * font_height + char_y] & mask)
                    memcpy(p, color, 3);
                else
                    memcpy(p, "\x00\x00\x00", 3);
                p += 3;
            }
            p += pic->linesize[0] - 8*3;

            

Reported by FlawFinder.

                              if (font[buf[i] * font_height + char_y] & mask)
                    memcpy(p, color, 3);
                else
                    memcpy(p, "\x00\x00\x00", 3);
                p += 3;
            }
            p += pic->linesize[0] - 8*3;
        }
    }

            

Reported by FlawFinder.

                  uint8_t *p = pic->data[0] + y*pic->linesize[0] + x*3;

    for (i = 0; i < len; i++) {
        memcpy(p, "\x00\xff\x00", 3);
        p += step;
    }
}

static int config_video_output(AVFilterLink *outlink)

            

Reported by FlawFinder.

                      const uint8_t *c = get_graph_color(ebur128, INT_MAX, y);

        for (x = 0; x < ebur128->graph.w; x++)
            memcpy(p + x*3, c, 3);
        p += outpicref->linesize[0];
    }

    /* draw fancy rectangles around the graph and the gauge */
#define DRAW_RECT(r) do { \

            

Reported by FlawFinder.

                                  const uint8_t *c = get_graph_color(ebur128, y_loudness_lu_graph, y);

                    memmove(p, p + 3, (ebur128->graph.w - 1) * 3);
                    memcpy(p + (ebur128->graph.w - 1) * 3, c, 3);
                    p += pic->linesize[0];
                }

                /* draw the gauge using either momentary or short-term loudness */
                p = pic->data[0] + ebur128->gauge.y*pic->linesize[0] + ebur128->gauge.x*3;

            

Reported by FlawFinder.

                                  const uint8_t *c = get_graph_color(ebur128, y_loudness_lu_gauge, y);

                    for (x = 0; x < ebur128->gauge.w; x++)
                        memcpy(p + x*3, c, 3);
                    p += pic->linesize[0];
                }

                /* draw textual info */
                if (ebur128->scale == SCALE_TYPE_ABSOLUTE) {

            

Reported by FlawFinder.

                          }

            if (ebur128->metadata) { /* happens only once per filter_frame call */
                char metabuf[128];
#define META_PREFIX "lavfi.r128."

#define SET_META(name, var) do {                                            \
    snprintf(metabuf, sizeof(metabuf), "%.3f", var);                        \
    av_dict_set(&insamples->metadata, name, metabuf, 0);                    \

            

Reported by FlawFinder.

                  int i;

    for (i = 0; i < LP_FILTER_ORDER >> 1; i++)
        memcpy(&lsf_r[i << 1], &lsf_quantizer[i][quantizer_offset],
               2 * sizeof(*lsf_r));

    if (sign) {
        lsf_r[4] *= -1;
        lsf_r[5] *= -1;

            

Reported by FlawFinder.

                  }

    if (update)
        memcpy(p->prev_lsf_r, lsf_r, LP_FILTER_ORDER * sizeof(*lsf_r));

    for (i = 0; i < LP_FILTER_ORDER; i++)
        lsf_q[i] = lsf_r[i] * (LSF_R_FAC / 8000.0) + lsf_no_r[i] * (1.0 / 8000.0);

    ff_set_min_dist_lsf(lsf_q, MIN_LSF_SPACING, LP_FILTER_ORDER);

            

Reported by FlawFinder.

                  int i, j;

    lsf_quantizer = (p->cur_frame_mode == MODE_7k95 ? lsf_3_1_MODE_7k95 : lsf_3_1)[lsf_param[0]];
    memcpy(lsf_r, lsf_quantizer, 3 * sizeof(*lsf_r));

    lsf_quantizer = lsf_3_2[lsf_param[1] << (p->cur_frame_mode <= MODE_5k15)];
    memcpy(lsf_r + 3, lsf_quantizer, 3 * sizeof(*lsf_r));

    lsf_quantizer = (p->cur_frame_mode <= MODE_5k15 ? lsf_3_3_MODE_5k15 : lsf_3_3)[lsf_param[2]];

            

Reported by FlawFinder.

                  memcpy(lsf_r, lsf_quantizer, 3 * sizeof(*lsf_r));

    lsf_quantizer = lsf_3_2[lsf_param[1] << (p->cur_frame_mode <= MODE_5k15)];
    memcpy(lsf_r + 3, lsf_quantizer, 3 * sizeof(*lsf_r));

    lsf_quantizer = (p->cur_frame_mode <= MODE_5k15 ? lsf_3_3_MODE_5k15 : lsf_3_3)[lsf_param[2]];
    memcpy(lsf_r + 6, lsf_quantizer, 4 * sizeof(*lsf_r));

    // calculate mean-removed LSF vector and add mean

            

Reported by FlawFinder.

                  memcpy(lsf_r + 3, lsf_quantizer, 3 * sizeof(*lsf_r));

    lsf_quantizer = (p->cur_frame_mode <= MODE_5k15 ? lsf_3_3_MODE_5k15 : lsf_3_3)[lsf_param[2]];
    memcpy(lsf_r + 6, lsf_quantizer, 4 * sizeof(*lsf_r));

    // calculate mean-removed LSF vector and add mean
    for (i = 0; i < LP_FILTER_ORDER; i++)
        lsf_q[i] = (lsf_r[i] + p->prev_lsf_r[i] * pred_fac[i]) * (LSF_R_FAC / 8000.0) + lsf_3_mean[i] * (1.0 / 8000.0);


            

Reported by FlawFinder.

              
    // store data for computing the next frame's LSFs
    interpolate_lsf(&p->acelpv_ctx, p->lsf_q, lsf_q);
    memcpy(p->prev_lsf_r, lsf_r, LP_FILTER_ORDER * sizeof(*lsf_r));

    ff_acelp_lsf2lspd(p->lsp[3], lsf_q, LP_FILTER_ORDER);

    // interpolate LSP vectors at subframes 1, 2 and 3
    for (i = 1; i <= 3; i++)

            

Reported by FlawFinder.

                                        pitch_lag_frac + 6 - 6*(pitch_lag_frac > 0),
                          10, AMR_SUBFRAME_SIZE);

    memcpy(p->pitch_vector, p->excitation, AMR_SUBFRAME_SIZE * sizeof(float));
}

/// @}



            

Reported by FlawFinder.

               */
static void update_state(AMRContext *p)
{
    memcpy(p->prev_lsp_sub4, p->lsp[3], LP_FILTER_ORDER * sizeof(p->lsp[3][0]));

    memmove(&p->excitation_buf[0], &p->excitation_buf[AMR_SUBFRAME_SIZE],
            (PITCH_DELAY_MAX + LP_FILTER_ORDER + 1) * sizeof(float));

    memmove(&p->pitch_gain[0], &p->pitch_gain[1], 4 * sizeof(float));

            

Reported by FlawFinder.

                  float *hf = impulse_buffer + LP_FILTER_ORDER; // start of impulse response

    hf[0] = 1.0;
    memcpy(hf + 1, lpc_n, sizeof(float) * LP_FILTER_ORDER);
    p->celpf_ctx.celp_lp_synthesis_filterf(hf, lpc_d, hf,
                                 AMR_TILT_RESPONSE,
                                 LP_FILTER_ORDER);

    rh0 = p->celpm_ctx.dot_productf(hf, hf,     AMR_TILT_RESPONSE);

            

Reported by FlawFinder.

                       lpc_d[i] = lpc[i] * gamma_d[i];
    }

    memcpy(pole_out, p->postfilter_mem, sizeof(float) * LP_FILTER_ORDER);
    p->celpf_ctx.celp_lp_synthesis_filterf(pole_out + LP_FILTER_ORDER, lpc_d, samples,
                                 AMR_SUBFRAME_SIZE, LP_FILTER_ORDER);
    memcpy(p->postfilter_mem, pole_out + AMR_SUBFRAME_SIZE,
           sizeof(float) * LP_FILTER_ORDER);


            

Reported by FlawFinder.