static int msf_read_header(AVFormatContext *s)

{

    unsigned codec, align, size;

    AVStream *st;



    avio_skip(s->pb, 4);



    st = avformat_new_stream(s, NULL);

    if (!st)

        return AVERROR(ENOMEM);



    st->codec->codec_type  = AVMEDIA_TYPE_AUDIO;

    codec                  = avio_rb32(s->pb);

    st->codec->channels    = avio_rb32(s->pb);

    if (st->codec->channels <= 0)

        return AVERROR_INVALIDDATA;

    size = avio_rb32(s->pb);

    st->codec->sample_rate = avio_rb32(s->pb);

    if (st->codec->sample_rate <= 0)

        return AVERROR_INVALIDDATA;

    align = avio_rb32(s->pb) ;

    if (align > INT_MAX / st->codec->channels)

        return AVERROR_INVALIDDATA;

    st->codec->block_align = align;

    switch (codec) {

    case 0: st->codec->codec_id = AV_CODEC_ID_PCM_S16BE; break;

    case 3: st->codec->block_align = 16 * st->codec->channels;

            st->codec->codec_id = AV_CODEC_ID_ADPCM_PSX; break;

    case 7: st->need_parsing = AVSTREAM_PARSE_FULL_RAW;

            st->codec->codec_id = AV_CODEC_ID_MP3;       break;

    default:

            avpriv_request_sample(s, "Codec %d", codec);

            return AVERROR_PATCHWELCOME;

    }

    st->duration = av_get_audio_frame_duration(st->codec, size);

    avio_skip(s->pb, 0x40 - avio_tell(s->pb));

    avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);



    return 0;

}

static int msf_read_header(AVFormatContext *s)

{

    unsigned codec, align, size;

    AVStream *st;



    avio_skip(s->pb, 4);



    st = avformat_new_stream(s, NULL);

    if (!st)

        return AVERROR(ENOMEM);



    st->codec->codec_type  = AVMEDIA_TYPE_AUDIO;

    codec                  = avio_rb32(s->pb);

    st->codec->channels    = avio_rb32(s->pb);

    if (st->codec->channels <= 0)

        return AVERROR_INVALIDDATA;

    size = avio_rb32(s->pb);

    st->codec->sample_rate = avio_rb32(s->pb);

    if (st->codec->sample_rate <= 0)

        return AVERROR_INVALIDDATA;

    align = avio_rb32(s->pb) ;

    if (align > INT_MAX / st->codec->channels)

        return AVERROR_INVALIDDATA;

    st->codec->block_align = align;

    switch (codec) {

    case 0: st->codec->codec_id = AV_CODEC_ID_PCM_S16BE; break;

    case 3: st->codec->block_align = 16 * st->codec->channels;

            st->codec->codec_id = AV_CODEC_ID_ADPCM_PSX; break;

    case 7: st->need_parsing = AVSTREAM_PARSE_FULL_RAW;

            st->codec->codec_id = AV_CODEC_ID_MP3;       break;

    default:

            avpriv_request_sample(s, "Codec %d", codec);

            return AVERROR_PATCHWELCOME;

    }

    st->duration = av_get_audio_frame_duration(st->codec, size);

    avio_skip(s->pb, 0x40 - avio_tell(s->pb));

    avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);



    return 0;

}

    if (st->codec->channels <= 0)
static int FUNC_0(AVFormatContext *VAR_0)

{

    unsigned VAR_1, VAR_2, VAR_3;

    AVStream *st;



    avio_skip(VAR_0->pb, 4);



    st = avformat_new_stream(VAR_0, NULL);

    if (!st)

        return AVERROR(ENOMEM);



    st->VAR_1->codec_type  = AVMEDIA_TYPE_AUDIO;

    VAR_1                  = avio_rb32(VAR_0->pb);

    st->VAR_1->channels    = avio_rb32(VAR_0->pb);

    if (st->VAR_1->channels <= 0)

        return AVERROR_INVALIDDATA;

    VAR_3 = avio_rb32(VAR_0->pb);

    st->VAR_1->sample_rate = avio_rb32(VAR_0->pb);

    if (st->VAR_1->sample_rate <= 0)

        return AVERROR_INVALIDDATA;

    VAR_2 = avio_rb32(VAR_0->pb) ;

    if (VAR_2 > INT_MAX / st->VAR_1->channels)

        return AVERROR_INVALIDDATA;

    st->VAR_1->block_align = VAR_2;

    switch (VAR_1) {

    case 0: st->VAR_1->codec_id = AV_CODEC_ID_PCM_S16BE; break;

    case 3: st->VAR_1->block_align = 16 * st->VAR_1->channels;

            st->VAR_1->codec_id = AV_CODEC_ID_ADPCM_PSX; break;

    case 7: st->need_parsing = AVSTREAM_PARSE_FULL_RAW;

            st->VAR_1->codec_id = AV_CODEC_ID_MP3;       break;

    default:

            avpriv_request_sample(VAR_0, "Codec %d", VAR_1);

            return AVERROR_PATCHWELCOME;

    }

    st->duration = av_get_audio_frame_duration(st->VAR_1, VAR_3);

    avio_skip(VAR_0->pb, 0x40 - avio_tell(VAR_0->pb));

    avpriv_set_pts_info(st, 64, 1, st->VAR_1->sample_rate);



    return 0;

}

static int FUNC_0(AVFormatContext *VAR_0)
{ unsigned VAR_1, VAR_2, VAR_3; AVStream *st; avio_skip(VAR_0->pb, 4); st = avformat_new_stream(VAR_0, NULL); if (!st)
return AVERROR(ENOMEM); st->VAR_1->codec_type  = AVMEDIA_TYPE_AUDIO; VAR_1                  = avio_rb32(VAR_0->pb); st->VAR_1->channels    = avio_rb32(VAR_0->pb); if (st->VAR_1->channels <= 0)
return AVERROR_INVALIDDATA; VAR_3 = avio_rb32(VAR_0->pb); st->VAR_1->sample_rate = avio_rb32(VAR_0->pb); if (st->VAR_1->sample_rate <= 0)
return AVERROR_INVALIDDATA; VAR_2 = avio_rb32(VAR_0->pb) ; if (VAR_2 > INT_MAX / st->VAR_1->channels)
return AVERROR_INVALIDDATA; st->VAR_1->block_align = VAR_2; switch (VAR_1) { case 0: st->VAR_1->codec_id = AV_CODEC_ID_PCM_S16BE; break; case 3: st->VAR_1->block_align = 16 * st->VAR_1->channels; st->VAR_1->codec_id = AV_CODEC_ID_ADPCM_PSX; break; case 7: st->need_parsing = AVSTREAM_PARSE_FULL_RAW; st->VAR_1->codec_id = AV_CODEC_ID_MP3;       break; default:
avpriv_request_sample(VAR_0, "Codec %d", VAR_1); return AVERROR_PATCHWELCOME; } st->duration = av_get_audio_frame_duration(st->VAR_1, VAR_3); avio_skip(VAR_0->pb, 0x40 - avio_tell(VAR_0->pb)); avpriv_set_pts_info(st, 64, 1, st->VAR_1->sample_rate); return 0; }