The following issues were found

libavcodec/alac.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 188 Column: 9 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      return;

    if (!lpc_order) {
        memcpy(&buffer_out[1], &error_buffer[1],
               (nb_samples - 1) * sizeof(*buffer_out));
        return;
    }

    if (lpc_order == 31) {

Reported by FlawFinder.

libavcodec/alacenc.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 181 Column: 9 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              
        s->lpc[ch].lpc_order = opt_order;
        s->lpc[ch].lpc_quant = shift[opt_order-1];
        memcpy(s->lpc[ch].lpc_coeff, coefs[opt_order-1], opt_order*sizeof(int));
    }
}

static int estimate_stereo_mode(int32_t *left_ch, int32_t *right_ch, int n)
{

Reported by FlawFinder.

libavcodec/alpha/me_cmp_alpha.c
1 issues
Syntax Error: AST broken, binary operator '|' doesn't have two operands.
Error

Line: 202 

                  if ((size_t) pix2 & 0x7) {
        uint64_t t, p2_l, p2_r;
        t     = ldq_u(pix2 + 8);
        p2_l  = extql(ldq_u(pix2), pix2) | extqh(t, pix2);
        p2_r  = extql(t, pix2) | extqh(ldq_u(pix2 + 16), pix2);

        do {
            uint64_t p1_l, p1_r, np2_l, np2_r;
            uint64_t t;

Reported by Cppcheck.

libavcodec/amfenc_h264.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 353 Column: 5 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      var.pInterface->pVtbl->Release(var.pInterface);
        return AVERROR(ENOMEM);
    }
    memcpy(avctx->extradata, buffer->pVtbl->GetNative(buffer), avctx->extradata_size);

    buffer->pVtbl->Release(buffer);
    var.pInterface->pVtbl->Release(var.pInterface);

    return 0;

Reported by FlawFinder.

libavcodec/amfenc_hevc.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 288 Column: 5 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      var.pInterface->pVtbl->Release(var.pInterface);
        return AVERROR(ENOMEM);
    }
    memcpy(avctx->extradata, buffer->pVtbl->GetNative(buffer), avctx->extradata_size);

    buffer->pVtbl->Release(buffer);
    var.pInterface->pVtbl->Release(var.pInterface);

    return 0;

Reported by FlawFinder.

libavcodec/anm.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 175 Column: 5 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      }
    } while (bytestream2_get_bytes_left(&gb) > 0);

    memcpy(s->frame->data[1], s->palette, AVPALETTE_SIZE);

    *got_frame = 1;
    if ((ret = av_frame_ref(data, s->frame)) < 0)
        return ret;

Reported by FlawFinder.

libavcodec/argo.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 662 Column: 9 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      return ret;

    if (avctx->pix_fmt == AV_PIX_FMT_PAL8)
        memcpy(frame->data[1], s->pal, AVPALETTE_SIZE);

    if ((ret = av_frame_ref(data, s->frame)) < 0)
        return ret;

    frame->pict_type = s->key ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;

Reported by FlawFinder.

libavcodec/arm/hpeldsp_init_arm.c
1 issues
There is an unknown macro here somewhere. Configuration is required. If CALL_2X_PIXELS is a macro then please configure it.
Error

Line: 38 

              
void ff_put_pixels16_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);

CALL_2X_PIXELS(ff_put_pixels16_x2_arm,         ff_put_pixels8_x2_arm,        8)
CALL_2X_PIXELS(ff_put_pixels16_y2_arm,         ff_put_pixels8_y2_arm,        8)
CALL_2X_PIXELS(ff_put_pixels16_xy2_arm,        ff_put_pixels8_xy2_arm,       8)
CALL_2X_PIXELS(ff_put_no_rnd_pixels16_x2_arm,  ff_put_no_rnd_pixels8_x2_arm, 8)
CALL_2X_PIXELS(ff_put_no_rnd_pixels16_y2_arm,  ff_put_no_rnd_pixels8_y2_arm, 8)
CALL_2X_PIXELS(ff_put_no_rnd_pixels16_xy2_arm, ff_put_no_rnd_pixels8_xy2_arm,8)

Reported by Cppcheck.

libavcodec/ass.c
1 issues
strlen - Does not handle strings that are not \0-terminated; if given one it may perform an over-read (it could cause a crash if unprotected)
Security

Line: 78 Column: 35 CWE codes: 126 

              
    if (!avctx->subtitle_header)
        return AVERROR(ENOMEM);
    avctx->subtitle_header_size = strlen(avctx->subtitle_header);
    return 0;
}

int ff_ass_subtitle_header(AVCodecContext *avctx,
                           const char *font, int font_size,

Reported by FlawFinder.

libavcodec/assdec.c
1 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 36 Column: 9 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                  if (!avctx->subtitle_header)
        return AVERROR(ENOMEM);
    if (avctx->extradata_size)
        memcpy(avctx->subtitle_header, avctx->extradata, avctx->extradata_size);
    avctx->subtitle_header[avctx->extradata_size] = 0;
    avctx->subtitle_header_size = avctx->extradata_size;
    return 0;
}

Reported by FlawFinder.