static int ac3_eac3_probe(AVProbeData *p, enum AVCodecID expected_codec_id)

{

    int max_frames, first_frames = 0, frames;

    const uint8_t *buf, *buf2, *end;

    enum AVCodecID codec_id = AV_CODEC_ID_AC3;



    max_frames = 0;

    buf = p->buf;

    end = buf + p->buf_size;



    for(; buf < end; buf++) {

        if(buf > p->buf && !(buf[0] == 0x0B && buf[1] == 0x77)

                        && !(buf[0] == 0x77 && buf[1] == 0x0B) )

            continue;

        buf2 = buf;



        for(frames = 0; buf2 < end; frames++) {

            uint8_t buf3[4096];

            uint8_t bitstream_id;

            uint16_t frame_size;

            int i, ret;



            if(!memcmp(buf2, "\x1\x10\0\0\0\0\0\0", 8))

                buf2+=16;

            if (buf[0] == 0x77 && buf[1] == 0x0B) {

                for(i=0; i<8; i+=2) {

                    buf3[i  ] = buf2[i+1];

                    buf3[i+1] = buf2[i  ];

                }

                ret = av_ac3_parse_header(buf3, 8, &bitstream_id,

                                          &frame_size);

            }else

                ret = av_ac3_parse_header(buf2, end - buf2, &bitstream_id,

                                          &frame_size);

            if (ret < 0)

                break;

            if(buf2 + frame_size > end)

                break;

            if (buf[0] == 0x77 && buf[1] == 0x0B) {

                av_assert0(frame_size <= sizeof(buf3));

                for(i = 8; i < frame_size; i += 2) {

                    buf3[i  ] = buf2[i+1];

                    buf3[i+1] = buf2[i  ];

                }

                if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf3 + 2, frame_size - 2))

                    break;

            } else {

                if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, frame_size - 2))

                    break;

            }

            if (bitstream_id > 10)

                codec_id = AV_CODEC_ID_EAC3;

            buf2 += frame_size;

        }

        max_frames = FFMAX(max_frames, frames);

        if(buf == p->buf)

            first_frames = frames;

    }

    if(codec_id != expected_codec_id) return 0;

    // keep this in sync with mp3 probe, both need to avoid

    // issues with MPEG-files!

    if   (first_frames>=7) return AVPROBE_SCORE_EXTENSION + 1;

    else if(max_frames>200)return AVPROBE_SCORE_EXTENSION;

    else if(max_frames>=4) return AVPROBE_SCORE_EXTENSION/2;

    else if(max_frames>=1) return 1;

    else                   return 0;

}

static int ac3_eac3_probe(AVProbeData *p, enum AVCodecID expected_codec_id)

{

    int max_frames, first_frames = 0, frames;

    const uint8_t *buf, *buf2, *end;

    enum AVCodecID codec_id = AV_CODEC_ID_AC3;



    max_frames = 0;

    buf = p->buf;

    end = buf + p->buf_size;



    for(; buf < end; buf++) {

        if(buf > p->buf && !(buf[0] == 0x0B && buf[1] == 0x77)

                        && !(buf[0] == 0x77 && buf[1] == 0x0B) )

            continue;

        buf2 = buf;



        for(frames = 0; buf2 < end; frames++) {

            uint8_t buf3[4096];

            uint8_t bitstream_id;

            uint16_t frame_size;

            int i, ret;



            if(!memcmp(buf2, "\x1\x10\0\0\0\0\0\0", 8))

                buf2+=16;

            if (buf[0] == 0x77 && buf[1] == 0x0B) {

                for(i=0; i<8; i+=2) {

                    buf3[i  ] = buf2[i+1];

                    buf3[i+1] = buf2[i  ];

                }

                ret = av_ac3_parse_header(buf3, 8, &bitstream_id,

                                          &frame_size);

            }else

                ret = av_ac3_parse_header(buf2, end - buf2, &bitstream_id,

                                          &frame_size);

            if (ret < 0)

                break;

            if(buf2 + frame_size > end)

                break;

            if (buf[0] == 0x77 && buf[1] == 0x0B) {

                av_assert0(frame_size <= sizeof(buf3));

                for(i = 8; i < frame_size; i += 2) {

                    buf3[i  ] = buf2[i+1];

                    buf3[i+1] = buf2[i  ];

                }

                if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf3 + 2, frame_size - 2))

                    break;

            } else {

                if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, frame_size - 2))

                    break;

            }

            if (bitstream_id > 10)

                codec_id = AV_CODEC_ID_EAC3;

            buf2 += frame_size;

        }

        max_frames = FFMAX(max_frames, frames);

        if(buf == p->buf)

            first_frames = frames;

    }

    if(codec_id != expected_codec_id) return 0;

    

    

    if   (first_frames>=7) return AVPROBE_SCORE_EXTENSION + 1;

    else if(max_frames>200)return AVPROBE_SCORE_EXTENSION;

    else if(max_frames>=4) return AVPROBE_SCORE_EXTENSION/2;

    else if(max_frames>=1) return 1;

    else                   return 0;

}

static int FUNC_0(AVProbeData *VAR_0, enum AVCodecID VAR_1)

{

    int VAR_2, VAR_3 = 0, VAR_4;

    const uint8_t *VAR_5, *buf2, *end;

    enum AVCodecID VAR_6 = AV_CODEC_ID_AC3;



    VAR_2 = 0;

    VAR_5 = VAR_0->VAR_5;

    end = VAR_5 + VAR_0->buf_size;



    for(; VAR_5 < end; VAR_5++) {

        if(VAR_5 > VAR_0->VAR_5 && !(VAR_5[0] == 0x0B && VAR_5[1] == 0x77)

                        && !(VAR_5[0] == 0x77 && VAR_5[1] == 0x0B) )

            continue;

        buf2 = VAR_5;



        for(VAR_4 = 0; buf2 < end; VAR_4++) {

            uint8_t buf3[4096];

            uint8_t bitstream_id;

            uint16_t frame_size;

            int i, ret;



            if(!memcmp(buf2, "\x1\x10\0\0\0\0\0\0", 8))

                buf2+=16;

            if (VAR_5[0] == 0x77 && VAR_5[1] == 0x0B) {

                for(i=0; i<8; i+=2) {

                    buf3[i  ] = buf2[i+1];

                    buf3[i+1] = buf2[i  ];

                }

                ret = av_ac3_parse_header(buf3, 8, &bitstream_id,

                                          &frame_size);

            }else

                ret = av_ac3_parse_header(buf2, end - buf2, &bitstream_id,

                                          &frame_size);

            if (ret < 0)

                break;

            if(buf2 + frame_size > end)

                break;

            if (VAR_5[0] == 0x77 && VAR_5[1] == 0x0B) {

                av_assert0(frame_size <= sizeof(buf3));

                for(i = 8; i < frame_size; i += 2) {

                    buf3[i  ] = buf2[i+1];

                    buf3[i+1] = buf2[i  ];

                }

                if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf3 + 2, frame_size - 2))

                    break;

            } else {

                if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, frame_size - 2))

                    break;

            }

            if (bitstream_id > 10)

                VAR_6 = AV_CODEC_ID_EAC3;

            buf2 += frame_size;

        }

        VAR_2 = FFMAX(VAR_2, VAR_4);

        if(VAR_5 == VAR_0->VAR_5)

            VAR_3 = VAR_4;

    }

    if(VAR_6 != VAR_1) return 0;

    

    

    if   (VAR_3>=7) return AVPROBE_SCORE_EXTENSION + 1;

    else if(VAR_2>200)return AVPROBE_SCORE_EXTENSION;

    else if(VAR_2>=4) return AVPROBE_SCORE_EXTENSION/2;

    else if(VAR_2>=1) return 1;

    else                   return 0;

}

static int FUNC_0(AVProbeData *VAR_0, enum AVCodecID VAR_1)
{ int VAR_2, VAR_3 = 0, VAR_4; const uint8_t *VAR_5, *buf2, *end; enum AVCodecID VAR_6 = AV_CODEC_ID_AC3; VAR_2 = 0; VAR_5 = VAR_0->VAR_5; end = VAR_5 + VAR_0->buf_size; for(; VAR_5 < end; VAR_5++) { if(VAR_5 > VAR_0->VAR_5 && !(VAR_5[0] == 0x0B && VAR_5[1] == 0x77)
&& !(VAR_5[0] == 0x77 && VAR_5[1] == 0x0B) )
continue; buf2 = VAR_5; for(VAR_4 = 0; buf2 < end; VAR_4++) { uint8_t buf3[4096]; uint8_t bitstream_id; uint16_t frame_size; int i, ret; if(!memcmp(buf2, "\x1\x10\0\0\0\0\0\0", 8))
buf2+=16; if (VAR_5[0] == 0x77 && VAR_5[1] == 0x0B) { for(i=0; i<8; i+=2) { buf3[i  ] = buf2[i+1]; buf3[i+1] = buf2[i  ]; } ret = av_ac3_parse_header(buf3, 8, &bitstream_id,
&frame_size); }else ret = av_ac3_parse_header(buf2, end - buf2, &bitstream_id,
&frame_size); if (ret < 0)
break; if(buf2 + frame_size > end)
break; if (VAR_5[0] == 0x77 && VAR_5[1] == 0x0B) { av_assert0(frame_size <= sizeof(buf3)); for(i = 8; i < frame_size; i += 2) { buf3[i  ] = buf2[i+1]; buf3[i+1] = buf2[i  ]; } if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf3 + 2, frame_size - 2))
break; } else { if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, frame_size - 2))
break; } if (bitstream_id > 10)
VAR_6 = AV_CODEC_ID_EAC3; buf2 += frame_size; } VAR_2 = FFMAX(VAR_2, VAR_4); if(VAR_5 == VAR_0->VAR_5)
VAR_3 = VAR_4; } if(VAR_6 != VAR_1) return 0; if   (VAR_3>=7) return AVPROBE_SCORE_EXTENSION + 1; else if(VAR_2>200)return AVPROBE_SCORE_EXTENSION; else if(VAR_2>=4) return AVPROBE_SCORE_EXTENSION/2; else if(VAR_2>=1) return 1; else                   return 0; }