int avpriv_dca_parse_core_frame_header(GetBitContext *gb, DCACoreFrameHeader *h)

{

    if (get_bits_long(gb, 32) != DCA_SYNCWORD_CORE_BE)

        return DCA_PARSE_ERROR_SYNC_WORD;



    h->normal_frame = get_bits1(gb);

    h->deficit_samples = get_bits(gb, 5) + 1;

    if (h->deficit_samples != DCA_PCMBLOCK_SAMPLES)

        return DCA_PARSE_ERROR_DEFICIT_SAMPLES;



    h->crc_present = get_bits1(gb);

    h->npcmblocks = get_bits(gb, 7) + 1;

    if (h->npcmblocks & (DCA_SUBBAND_SAMPLES - 1))

        return DCA_PARSE_ERROR_PCM_BLOCKS;



    h->frame_size = get_bits(gb, 14) + 1;

    if (h->frame_size < 96)

        return DCA_PARSE_ERROR_FRAME_SIZE;



    h->audio_mode = get_bits(gb, 6);

    if (h->audio_mode >= DCA_AMODE_COUNT)

        return DCA_PARSE_ERROR_AMODE;



    h->sr_code = get_bits(gb, 4);

    if (!avpriv_dca_sample_rates[h->sr_code])

        return DCA_PARSE_ERROR_SAMPLE_RATE;



    h->br_code = get_bits(gb, 5);

    if (get_bits1(gb))

        return DCA_PARSE_ERROR_RESERVED_BIT;



    h->drc_present = get_bits1(gb);

    h->ts_present = get_bits1(gb);

    h->aux_present = get_bits1(gb);

    h->hdcd_master = get_bits1(gb);

    h->ext_audio_type = get_bits(gb, 3);

    h->ext_audio_present = get_bits1(gb);

    h->sync_ssf = get_bits1(gb);

    h->lfe_present = get_bits(gb, 2);

    if (h->lfe_present == DCA_LFE_FLAG_INVALID)

        return DCA_PARSE_ERROR_LFE_FLAG;



    h->predictor_history = get_bits1(gb);

    if (h->crc_present)

        skip_bits(gb, 16);

    h->filter_perfect = get_bits1(gb);

    h->encoder_rev = get_bits(gb, 4);

    h->copy_hist = get_bits(gb, 2);

    h->pcmr_code = get_bits(gb, 3);

    if (!ff_dca_bits_per_sample[h->pcmr_code])

        return DCA_PARSE_ERROR_PCM_RES;



    h->sumdiff_front = get_bits1(gb);

    h->sumdiff_surround = get_bits1(gb);

    h->dn_code = get_bits(gb, 4);

    return 0;

}

int avpriv_dca_parse_core_frame_header(GetBitContext *gb, DCACoreFrameHeader *h)

{

    if (get_bits_long(gb, 32) != DCA_SYNCWORD_CORE_BE)

        return DCA_PARSE_ERROR_SYNC_WORD;



    h->normal_frame = get_bits1(gb);

    h->deficit_samples = get_bits(gb, 5) + 1;

    if (h->deficit_samples != DCA_PCMBLOCK_SAMPLES)

        return DCA_PARSE_ERROR_DEFICIT_SAMPLES;



    h->crc_present = get_bits1(gb);

    h->npcmblocks = get_bits(gb, 7) + 1;

    if (h->npcmblocks & (DCA_SUBBAND_SAMPLES - 1))

        return DCA_PARSE_ERROR_PCM_BLOCKS;



    h->frame_size = get_bits(gb, 14) + 1;

    if (h->frame_size < 96)

        return DCA_PARSE_ERROR_FRAME_SIZE;



    h->audio_mode = get_bits(gb, 6);

    if (h->audio_mode >= DCA_AMODE_COUNT)

        return DCA_PARSE_ERROR_AMODE;



    h->sr_code = get_bits(gb, 4);

    if (!avpriv_dca_sample_rates[h->sr_code])

        return DCA_PARSE_ERROR_SAMPLE_RATE;



    h->br_code = get_bits(gb, 5);

    if (get_bits1(gb))

        return DCA_PARSE_ERROR_RESERVED_BIT;



    h->drc_present = get_bits1(gb);

    h->ts_present = get_bits1(gb);

    h->aux_present = get_bits1(gb);

    h->hdcd_master = get_bits1(gb);

    h->ext_audio_type = get_bits(gb, 3);

    h->ext_audio_present = get_bits1(gb);

    h->sync_ssf = get_bits1(gb);

    h->lfe_present = get_bits(gb, 2);

    if (h->lfe_present == DCA_LFE_FLAG_INVALID)

        return DCA_PARSE_ERROR_LFE_FLAG;



    h->predictor_history = get_bits1(gb);

    if (h->crc_present)

        skip_bits(gb, 16);

    h->filter_perfect = get_bits1(gb);

    h->encoder_rev = get_bits(gb, 4);

    h->copy_hist = get_bits(gb, 2);

    h->pcmr_code = get_bits(gb, 3);

    if (!ff_dca_bits_per_sample[h->pcmr_code])

        return DCA_PARSE_ERROR_PCM_RES;



    h->sumdiff_front = get_bits1(gb);

    h->sumdiff_surround = get_bits1(gb);

    h->dn_code = get_bits(gb, 4);

    return 0;

}

int FUNC_0(GetBitContext *VAR_0, DCACoreFrameHeader *VAR_1)

{

    if (get_bits_long(VAR_0, 32) != DCA_SYNCWORD_CORE_BE)

        return DCA_PARSE_ERROR_SYNC_WORD;



    VAR_1->normal_frame = get_bits1(VAR_0);

    VAR_1->deficit_samples = get_bits(VAR_0, 5) + 1;

    if (VAR_1->deficit_samples != DCA_PCMBLOCK_SAMPLES)

        return DCA_PARSE_ERROR_DEFICIT_SAMPLES;



    VAR_1->crc_present = get_bits1(VAR_0);

    VAR_1->npcmblocks = get_bits(VAR_0, 7) + 1;

    if (VAR_1->npcmblocks & (DCA_SUBBAND_SAMPLES - 1))

        return DCA_PARSE_ERROR_PCM_BLOCKS;



    VAR_1->frame_size = get_bits(VAR_0, 14) + 1;

    if (VAR_1->frame_size < 96)

        return DCA_PARSE_ERROR_FRAME_SIZE;



    VAR_1->audio_mode = get_bits(VAR_0, 6);

    if (VAR_1->audio_mode >= DCA_AMODE_COUNT)

        return DCA_PARSE_ERROR_AMODE;



    VAR_1->sr_code = get_bits(VAR_0, 4);

    if (!avpriv_dca_sample_rates[VAR_1->sr_code])

        return DCA_PARSE_ERROR_SAMPLE_RATE;



    VAR_1->br_code = get_bits(VAR_0, 5);

    if (get_bits1(VAR_0))

        return DCA_PARSE_ERROR_RESERVED_BIT;



    VAR_1->drc_present = get_bits1(VAR_0);

    VAR_1->ts_present = get_bits1(VAR_0);

    VAR_1->aux_present = get_bits1(VAR_0);

    VAR_1->hdcd_master = get_bits1(VAR_0);

    VAR_1->ext_audio_type = get_bits(VAR_0, 3);

    VAR_1->ext_audio_present = get_bits1(VAR_0);

    VAR_1->sync_ssf = get_bits1(VAR_0);

    VAR_1->lfe_present = get_bits(VAR_0, 2);

    if (VAR_1->lfe_present == DCA_LFE_FLAG_INVALID)

        return DCA_PARSE_ERROR_LFE_FLAG;



    VAR_1->predictor_history = get_bits1(VAR_0);

    if (VAR_1->crc_present)

        skip_bits(VAR_0, 16);

    VAR_1->filter_perfect = get_bits1(VAR_0);

    VAR_1->encoder_rev = get_bits(VAR_0, 4);

    VAR_1->copy_hist = get_bits(VAR_0, 2);

    VAR_1->pcmr_code = get_bits(VAR_0, 3);

    if (!ff_dca_bits_per_sample[VAR_1->pcmr_code])

        return DCA_PARSE_ERROR_PCM_RES;



    VAR_1->sumdiff_front = get_bits1(VAR_0);

    VAR_1->sumdiff_surround = get_bits1(VAR_0);

    VAR_1->dn_code = get_bits(VAR_0, 4);

    return 0;

}

int FUNC_0(GetBitContext *VAR_0, DCACoreFrameHeader *VAR_1)
{ if (get_bits_long(VAR_0, 32) != DCA_SYNCWORD_CORE_BE)
return DCA_PARSE_ERROR_SYNC_WORD; VAR_1->normal_frame = get_bits1(VAR_0); VAR_1->deficit_samples = get_bits(VAR_0, 5) + 1; if (VAR_1->deficit_samples != DCA_PCMBLOCK_SAMPLES)
return DCA_PARSE_ERROR_DEFICIT_SAMPLES; VAR_1->crc_present = get_bits1(VAR_0); VAR_1->npcmblocks = get_bits(VAR_0, 7) + 1; if (VAR_1->npcmblocks & (DCA_SUBBAND_SAMPLES - 1))
return DCA_PARSE_ERROR_PCM_BLOCKS; VAR_1->frame_size = get_bits(VAR_0, 14) + 1; if (VAR_1->frame_size < 96)
return DCA_PARSE_ERROR_FRAME_SIZE; VAR_1->audio_mode = get_bits(VAR_0, 6); if (VAR_1->audio_mode >= DCA_AMODE_COUNT)
return DCA_PARSE_ERROR_AMODE; VAR_1->sr_code = get_bits(VAR_0, 4); if (!avpriv_dca_sample_rates[VAR_1->sr_code])
return DCA_PARSE_ERROR_SAMPLE_RATE; VAR_1->br_code = get_bits(VAR_0, 5); if (get_bits1(VAR_0))
return DCA_PARSE_ERROR_RESERVED_BIT; VAR_1->drc_present = get_bits1(VAR_0); VAR_1->ts_present = get_bits1(VAR_0); VAR_1->aux_present = get_bits1(VAR_0); VAR_1->hdcd_master = get_bits1(VAR_0); VAR_1->ext_audio_type = get_bits(VAR_0, 3); VAR_1->ext_audio_present = get_bits1(VAR_0); VAR_1->sync_ssf = get_bits1(VAR_0); VAR_1->lfe_present = get_bits(VAR_0, 2); if (VAR_1->lfe_present == DCA_LFE_FLAG_INVALID)
return DCA_PARSE_ERROR_LFE_FLAG; VAR_1->predictor_history = get_bits1(VAR_0); if (VAR_1->crc_present)
skip_bits(VAR_0, 16); VAR_1->filter_perfect = get_bits1(VAR_0); VAR_1->encoder_rev = get_bits(VAR_0, 4); VAR_1->copy_hist = get_bits(VAR_0, 2); VAR_1->pcmr_code = get_bits(VAR_0, 3); if (!ff_dca_bits_per_sample[VAR_1->pcmr_code])
return DCA_PARSE_ERROR_PCM_RES; VAR_1->sumdiff_front = get_bits1(VAR_0); VAR_1->sumdiff_surround = get_bits1(VAR_0); VAR_1->dn_code = get_bits(VAR_0, 4); return 0; }