Function parse_adts_extradata

libhb/decavcodec.c:765–833

}

static int parse_adts_extradata( hb_audio_t * audio, AVCodecContext * context,
                                 AVPacket * pkt )
{
    const AVBitStreamFilter * bsf;
    AVBSFContext            * ctx = NULL;
    int                       ret;

    if (audio == NULL)
    {
        return 1;
    }

    bsf = av_bsf_get_by_name("aac_adtstoasc");
    ret = av_bsf_alloc(bsf, &ctx);
    if (ret < 0)
    {
        hb_error("decavcodec: bitstream filter alloc failure");
        return ret;
    }
    ctx->time_base_in.num = 1;
    ctx->time_base_in.den = audio->config.out.samplerate;
    avcodec_parameters_from_context(ctx->par_in, context);
    ret = av_bsf_init(ctx);
    if (ret < 0)
    {
        hb_error("decavcodec: bitstream filter init failure");
        av_bsf_free(&ctx);
        return ret;
    }

    ret = av_bsf_send_packet(ctx, pkt);
    if (ret < 0)
    {
        hb_error("decavcodec: av_bsf_send_packet failure");
        av_bsf_free(&ctx);
        return ret;
    }

    ret = av_bsf_receive_packet(ctx, pkt);
    av_bsf_free(&ctx);
    if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
    {
        return 0;
    }
    else if (ret < 0)
    {
        if (ret != AVERROR_INVALIDDATA)
        {
            hb_error("decavcodec: av_bsf_receive_packet failure %x", -ret);
        }
        return ret;
    }

    if (audio->priv.extradata == NULL ||
        (audio->priv.extradata && audio->priv.extradata->size == 0))
    {
        const uint8_t * extradata;
        size_t          size;