/* table 6 */
static uint8_t sbr_channel_pair_element(bitfile *ld, sbr_info *sbr)
{
uint8_t n, result;
if (faad_get1bit(ld
DEBUGVAR(1,228,"sbr_single_channel_element(): bs_data_extra")))
{
faad_getbits(ld, 4
DEBUGVAR(1,228,"sbr_channel_pair_element(): bs_reserved_bits_data"));
faad_getbits(ld, 4
DEBUGVAR(1,228,"sbr_channel_pair_element(): bs_reserved_bits_data"));
}
sbr->bs_coupling = faad_get1bit(ld
DEBUGVAR(1,228,"sbr_channel_pair_element(): bs_coupling"));
if (sbr->bs_coupling)
{
if ((result = sbr_grid(ld, sbr, 0)) > 0)
return result;
/* need to copy some data from left to right */
sbr->bs_frame_class[1] = sbr->bs_frame_class[0];
sbr->L_E[1] = sbr->L_E[0];
sbr->L_Q[1] = sbr->L_Q[0];
sbr->bs_pointer[1] = sbr->bs_pointer[0];
for (n = 0; n <= sbr->L_E[0]; n++)
{
sbr->t_E[1][n] = sbr->t_E[0][n];
sbr->f[1][n] = sbr->f[0][n];
}
for (n = 0; n <= sbr->L_Q[0]; n++)
sbr->t_Q[1][n] = sbr->t_Q[0][n];
sbr_dtdf(ld, sbr, 0);
sbr_dtdf(ld, sbr, 1);
invf_mode(ld, sbr, 0);
/* more copying */
for (n = 0; n < sbr->N_Q; n++)
sbr->bs_invf_mode[1][n] = sbr->bs_invf_mode[0][n];
sbr_envelope(ld, sbr, 0);
sbr_noise(ld, sbr, 0);
sbr_envelope(ld, sbr, 1);
sbr_noise(ld, sbr, 1);
memset(sbr->bs_add_harmonic[0], 0, 64*sizeof(uint8_t));
memset(sbr->bs_add_harmonic[1], 0, 64*sizeof(uint8_t));
sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld
DEBUGVAR(1,231,"sbr_channel_pair_element(): bs_add_harmonic_flag[0]"));
if (sbr->bs_add_harmonic_flag[0])
sinusoidal_coding(ld, sbr, 0);
sbr->bs_add_harmonic_flag[1] = faad_get1bit(ld
DEBUGVAR(1,232,"sbr_channel_pair_element(): bs_add_harmonic_flag[1]"));
if (sbr->bs_add_harmonic_flag[1])
sinusoidal_coding(ld, sbr, 1);
} else {
if ((result = sbr_grid(ld, sbr, 0)) > 0)
return result;
if ((result = sbr_grid(ld, sbr, 1)) > 0)
return result;
sbr_dtdf(ld, sbr, 0);
sbr_dtdf(ld, sbr, 1);
invf_mode(ld, sbr, 0);
invf_mode(ld, sbr, 1);
sbr_envelope(ld, sbr, 0);
sbr_envelope(ld, sbr, 1);
sbr_noise(ld, sbr, 0);
sbr_noise(ld, sbr, 1);
memset(sbr->bs_add_harmonic[0], 0, 64*sizeof(uint8_t));
memset(sbr->bs_add_harmonic[1], 0, 64*sizeof(uint8_t));
sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld
DEBUGVAR(1,239,"sbr_channel_pair_element(): bs_add_harmonic_flag[0]"));
if (sbr->bs_add_harmonic_flag[0])
sinusoidal_coding(ld, sbr, 0);
sbr->bs_add_harmonic_flag[1] = faad_get1bit(ld
DEBUGVAR(1,240,"sbr_channel_pair_element(): bs_add_harmonic_flag[1]"));
if (sbr->bs_add_harmonic_flag[1])
sinusoidal_coding(ld, sbr, 1);
}
envelope_noise_dequantisation(sbr, 0);
envelope_noise_dequantisation(sbr, 1);
if (sbr->bs_coupling)
unmap_envelope_noise(sbr);
sbr->bs_extended_data = faad_get1bit(ld
DEBUGVAR(1,233,"sbr_channel_pair_element(): bs_extended_data[0]"));
if (sbr->bs_extended_data)
{
uint16_t nr_bits_left;
uint16_t cnt = (uint16_t)faad_getbits(ld, 4
DEBUGVAR(1,234,"sbr_channel_pair_element(): bs_extension_size"));
if (cnt == 15)
{
cnt += (uint16_t)faad_getbits(ld, 8
DEBUGVAR(1,235,"sbr_channel_pair_element(): bs_esc_count"));
}
nr_bits_left = 8 * cnt;
while (nr_bits_left > 7)
{
sbr->bs_extension_id = (uint8_t)faad_getbits(ld, 2
DEBUGVAR(1,236,"sbr_channel_pair_element(): bs_extension_id"));
nr_bits_left -= 2;
sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left);
}
/* Corrigendum */
if (nr_bits_left > 0)
{
faad_getbits(ld, nr_bits_left
DEBUGVAR(1,280,"sbr_channel_pair_element(): nr_bits_left"));
}
}
return 0;
}
/* table 6 */
static uint8_t sbr_channel_pair_element(bitfile *ld, sbr_info *sbr)
{
uint8_t n, result;
if (faad_get1bit(ld
DEBUGVAR(1,228,"sbr_single_channel_element(): bs_data_extra")))
{
faad_getbits(ld, 4
DEBUGVAR(1,228,"sbr_channel_pair_element(): bs_reserved_bits_data"));
faad_getbits(ld, 4
DEBUGVAR(1,228,"sbr_channel_pair_element(): bs_reserved_bits_data"));
}
sbr->bs_coupling = faad_get1bit(ld
DEBUGVAR(1,228,"sbr_channel_pair_element(): bs_coupling"));
if (sbr->bs_coupling)
{
if ((result = sbr_grid(ld, sbr, 0)) > 0)
return result;
/* need to copy some data from left to right */
sbr->bs_frame_class[1] = sbr->bs_frame_class[0];
sbr->L_E[1] = sbr->L_E[0];
sbr->L_Q[1] = sbr->L_Q[0];
sbr->bs_pointer[1] = sbr->bs_pointer[0];
for (n = 0; n <= sbr->L_E[0]; n++)
{
sbr->t_E[1][n] = sbr->t_E[0][n];
sbr->f[1][n] = sbr->f[0][n];
}
for (n = 0; n <= sbr->L_Q[0]; n++)
sbr->t_Q[1][n] = sbr->t_Q[0][n];
sbr_dtdf(ld, sbr, 0);
sbr_dtdf(ld, sbr, 1);
invf_mode(ld, sbr, 0);
/* more copying */
for (n = 0; n < sbr->N_Q; n++)
sbr->bs_invf_mode[1][n] = sbr->bs_invf_mode[0][n];
sbr_envelope(ld, sbr, 0);
sbr_noise(ld, sbr, 0);
sbr_envelope(ld, sbr, 1);
sbr_noise(ld, sbr, 1);
memset(sbr->bs_add_harmonic[0], 0, 64*sizeof(uint8_t));
memset(sbr->bs_add_harmonic[1], 0, 64*sizeof(uint8_t));
sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld
DEBUGVAR(1,231,"sbr_channel_pair_element(): bs_add_harmonic_flag[0]"));
if (sbr->bs_add_harmonic_flag[0])
sinusoidal_coding(ld, sbr, 0);
sbr->bs_add_harmonic_flag[1] = faad_get1bit(ld
DEBUGVAR(1,232,"sbr_channel_pair_element(): bs_add_harmonic_flag[1]"));
if (sbr->bs_add_harmonic_flag[1])
sinusoidal_coding(ld, sbr, 1);
} else {
uint8_t saved_t_E[6] = {0}, saved_t_Q[3] = {0};
uint8_t saved_L_E = sbr->L_E[0];
uint8_t saved_L_Q = sbr->L_Q[0];
uint8_t saved_frame_class = sbr->bs_frame_class[0];
for (n = 0; n < saved_L_E; n++)
saved_t_E[n] = sbr->t_E[0][n];
for (n = 0; n < saved_L_Q; n++)
saved_t_Q[n] = sbr->t_Q[0][n];
if ((result = sbr_grid(ld, sbr, 0)) > 0)
return result;
if ((result = sbr_grid(ld, sbr, 1)) > 0)
{
/* restore first channel data as well */
sbr->bs_frame_class[0] = saved_frame_class;
sbr->L_E[0] = saved_L_E;
sbr->L_Q[0] = saved_L_Q;
for (n = 0; n < 6; n++)
sbr->t_E[0][n] = saved_t_E[n];
for (n = 0; n < 3; n++)
sbr->t_Q[0][n] = saved_t_Q[n];
return result;
}
sbr_dtdf(ld, sbr, 0);
sbr_dtdf(ld, sbr, 1);
invf_mode(ld, sbr, 0);
invf_mode(ld, sbr, 1);
sbr_envelope(ld, sbr, 0);
sbr_envelope(ld, sbr, 1);
sbr_noise(ld, sbr, 0);
sbr_noise(ld, sbr, 1);
memset(sbr->bs_add_harmonic[0], 0, 64*sizeof(uint8_t));
memset(sbr->bs_add_harmonic[1], 0, 64*sizeof(uint8_t));
sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld
DEBUGVAR(1,239,"sbr_channel_pair_element(): bs_add_harmonic_flag[0]"));
if (sbr->bs_add_harmonic_flag[0])
sinusoidal_coding(ld, sbr, 0);
sbr->bs_add_harmonic_flag[1] = faad_get1bit(ld
DEBUGVAR(1,240,"sbr_channel_pair_element(): bs_add_harmonic_flag[1]"));
if (sbr->bs_add_harmonic_flag[1])
sinusoidal_coding(ld, sbr, 1);
}
#ifndef FIXED_POINT
envelope_noise_dequantisation(sbr, 0);
envelope_noise_dequantisation(sbr, 1);
if (sbr->bs_coupling)
unmap_envelope_noise(sbr);
#endif
sbr->bs_extended_data = faad_get1bit(ld
DEBUGVAR(1,233,"sbr_channel_pair_element(): bs_extended_data[0]"));
if (sbr->bs_extended_data)
{
uint16_t nr_bits_left;
uint16_t cnt = (uint16_t)faad_getbits(ld, 4
DEBUGVAR(1,234,"sbr_channel_pair_element(): bs_extension_size"));
if (cnt == 15)
{
cnt += (uint16_t)faad_getbits(ld, 8
DEBUGVAR(1,235,"sbr_channel_pair_element(): bs_esc_count"));
}
nr_bits_left = 8 * cnt;
while (nr_bits_left > 7)
{
uint16_t tmp_nr_bits = 0;
sbr->bs_extension_id = (uint8_t)faad_getbits(ld, 2
DEBUGVAR(1,236,"sbr_channel_pair_element(): bs_extension_id"));
tmp_nr_bits += 2;
tmp_nr_bits += sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left);
/* check if the data read is bigger than the number of available bits */
if (tmp_nr_bits > nr_bits_left)
return 1;
nr_bits_left -= tmp_nr_bits;
}
/* Corrigendum */
if (nr_bits_left > 0)
{
faad_getbits(ld, nr_bits_left
DEBUGVAR(1,280,"sbr_channel_pair_element(): nr_bits_left"));
}
}
return 0;
}
/* table 5 */
static uint8_t sbr_single_channel_element(bitfile *ld, sbr_info *sbr)
{
uint8_t result;
if (faad_get1bit(ld
DEBUGVAR(1,220,"sbr_single_channel_element(): bs_data_extra")))
{
faad_getbits(ld, 4
DEBUGVAR(1,221,"sbr_single_channel_element(): bs_reserved_bits_data"));
}
#ifdef DRM
/* bs_coupling, from sbr_channel_pair_base_element(bs_amp_res) */
if (sbr->Is_DRM_SBR)
faad_get1bit(ld);
#endif
if ((result = sbr_grid(ld, sbr, 0)) > 0)
return result;
sbr_dtdf(ld, sbr, 0);
invf_mode(ld, sbr, 0);
sbr_envelope(ld, sbr, 0);
sbr_noise(ld, sbr, 0);
envelope_noise_dequantisation(sbr, 0);
memset(sbr->bs_add_harmonic[0], 0, 64*sizeof(uint8_t));
sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld
DEBUGVAR(1,223,"sbr_single_channel_element(): bs_add_harmonic_flag[0]"));
if (sbr->bs_add_harmonic_flag[0])
sinusoidal_coding(ld, sbr, 0);
sbr->bs_extended_data = faad_get1bit(ld
DEBUGVAR(1,224,"sbr_single_channel_element(): bs_extended_data[0]"));
if (sbr->bs_extended_data)
{
uint16_t nr_bits_left;
uint16_t cnt = (uint16_t)faad_getbits(ld, 4
DEBUGVAR(1,225,"sbr_single_channel_element(): bs_extension_size"));
if (cnt == 15)
{
cnt += (uint16_t)faad_getbits(ld, 8
DEBUGVAR(1,226,"sbr_single_channel_element(): bs_esc_count"));
}
nr_bits_left = 8 * cnt;
while (nr_bits_left > 7)
{
sbr->bs_extension_id = (uint8_t)faad_getbits(ld, 2
DEBUGVAR(1,227,"sbr_single_channel_element(): bs_extension_id"));
nr_bits_left -= 2;
nr_bits_left -= sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left);
}
/* Corrigendum */
if (nr_bits_left > 0)
{
faad_getbits(ld, nr_bits_left
DEBUGVAR(1,280,"sbr_single_channel_element(): nr_bits_left"));
}
}
return 0;
}
/* table 5 */
static uint8_t sbr_single_channel_element(bitfile *ld, sbr_info *sbr)
{
uint8_t result;
if (faad_get1bit(ld
DEBUGVAR(1,220,"sbr_single_channel_element(): bs_data_extra")))
{
faad_getbits(ld, 4
DEBUGVAR(1,221,"sbr_single_channel_element(): bs_reserved_bits_data"));
}
#ifdef DRM
/* bs_coupling, from sbr_channel_pair_base_element(bs_amp_res) */
if (sbr->Is_DRM_SBR)
{
faad_get1bit(ld);
}
#endif
if ((result = sbr_grid(ld, sbr, 0)) > 0)
return result;
sbr_dtdf(ld, sbr, 0);
invf_mode(ld, sbr, 0);
sbr_envelope(ld, sbr, 0);
sbr_noise(ld, sbr, 0);
#ifndef FIXED_POINT
envelope_noise_dequantisation(sbr, 0);
#endif
memset(sbr->bs_add_harmonic[0], 0, 64*sizeof(uint8_t));
sbr->bs_add_harmonic_flag[0] = faad_get1bit(ld
DEBUGVAR(1,223,"sbr_single_channel_element(): bs_add_harmonic_flag[0]"));
if (sbr->bs_add_harmonic_flag[0])
sinusoidal_coding(ld, sbr, 0);
sbr->bs_extended_data = faad_get1bit(ld
DEBUGVAR(1,224,"sbr_single_channel_element(): bs_extended_data[0]"));
if (sbr->bs_extended_data)
{
uint16_t nr_bits_left;
#if (defined(PS_DEC) || defined(DRM_PS))
uint8_t ps_ext_read = 0;
#endif
uint16_t cnt = (uint16_t)faad_getbits(ld, 4
DEBUGVAR(1,225,"sbr_single_channel_element(): bs_extension_size"));
if (cnt == 15)
{
cnt += (uint16_t)faad_getbits(ld, 8
DEBUGVAR(1,226,"sbr_single_channel_element(): bs_esc_count"));
}
nr_bits_left = 8 * cnt;
while (nr_bits_left > 7)
{
uint16_t tmp_nr_bits = 0;
sbr->bs_extension_id = (uint8_t)faad_getbits(ld, 2
DEBUGVAR(1,227,"sbr_single_channel_element(): bs_extension_id"));
tmp_nr_bits += 2;
/* allow only 1 PS extension element per extension data */
#if (defined(PS_DEC) || defined(DRM_PS))
#if (defined(PS_DEC) && defined(DRM_PS))
if (sbr->bs_extension_id == EXTENSION_ID_PS || sbr->bs_extension_id == DRM_PARAMETRIC_STEREO)
#else
#ifdef PS_DEC
if (sbr->bs_extension_id == EXTENSION_ID_PS)
#else
#ifdef DRM_PS
if (sbr->bs_extension_id == DRM_PARAMETRIC_STEREO)
#endif
#endif
#endif
{
if (ps_ext_read == 0)
{
ps_ext_read = 1;
} else {
/* to be safe make it 3, will switch to "default"
* in sbr_extension() */
#ifdef DRM
return 1;
#else
sbr->bs_extension_id = 3;
#endif
}
}
#endif
tmp_nr_bits += sbr_extension(ld, sbr, sbr->bs_extension_id, nr_bits_left);
/* check if the data read is bigger than the number of available bits */
if (tmp_nr_bits > nr_bits_left)
return 1;
nr_bits_left -= tmp_nr_bits;
}
/* Corrigendum */
if (nr_bits_left > 0)
{
faad_getbits(ld, nr_bits_left
DEBUGVAR(1,280,"sbr_single_channel_element(): nr_bits_left"));
}
}
return 0;
}