static uint16_t sbr_extension(bitfile *ld, sbr_info *sbr,
uint8_t bs_extension_id, uint16_t num_bits_left)
{
switch (bs_extension_id)
{
#ifdef PS_DEC
case EXTENSION_ID_PS:
sbr->ps_used = 1;
if (!sbr->ps)
{
sbr->ps = ps_init(get_sr_index(sbr->sample_rate));
}
return ps_data(sbr->ps, ld);
#endif
#ifdef DRM_PS
case DRM_PARAMETRIC_STEREO:
sbr->ps_used = 1;
if (!sbr->drm_ps)
{
sbr->drm_ps = drm_ps_init();
}
return drm_ps_data(sbr->drm_ps, ld);
#endif
default:
sbr->bs_extension_data = (uint8_t)faad_getbits(ld, 6
DEBUGVAR(1,279,"sbr_single_channel_element(): bs_extension_data"));
return 6;
}
}
static uint16_t sbr_extension(bitfile *ld, sbr_info *sbr,
uint8_t bs_extension_id, uint16_t num_bits_left)
{
#ifdef PS_DEC
uint8_t header;
uint16_t ret;
#endif
switch (bs_extension_id)
{
#ifdef PS_DEC
case EXTENSION_ID_PS:
if (!sbr->ps)
{
sbr->ps = ps_init(get_sr_index(sbr->sample_rate));
}
if (sbr->psResetFlag)
{
sbr->ps->header_read = 0;
}
ret = ps_data(sbr->ps, ld, &header);
/* enable PS if and only if: a header has been decoded */
if (sbr->ps_used == 0 && header == 1)
{
sbr->ps_used = 1;
}
if (header == 1)
{
sbr->psResetFlag = 0;
}
return ret;
#endif
#ifdef DRM_PS
case DRM_PARAMETRIC_STEREO:
sbr->ps_used = 1;
if (!sbr->drm_ps)
{
sbr->drm_ps = drm_ps_init();
}
return drm_ps_data(sbr->drm_ps, ld);
#endif
default:
sbr->bs_extension_data = (uint8_t)faad_getbits(ld, 6
DEBUGVAR(1,279,"sbr_single_channel_element(): bs_extension_data"));
return 6;
}
}