uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel, const uint8_t just_seeked, const uint8_t upsample_only) { uint8_t dont_process = 0; uint8_t ret = 0; ALIGN qmf_t X[MAX_NTSR][64]; if (sbr == NULL) return 20; /* case can occur due to bit errors */ if (sbr->id_aac != ID_SCE && sbr->id_aac != ID_LFE) return 21; if (sbr->ret || (sbr->header_count == 0)) { /* don't process just upsample */ dont_process = 1; /* Re-activate reset for next frame */ if (sbr->ret && sbr->Reset) sbr->bs_start_freq_prev = -1; } if (just_seeked) { sbr->just_seeked = 1; } else { sbr->just_seeked = 0; } sbr_process_channel(sbr, channel, X, 0, dont_process); /* subband synthesis */ #ifndef USE_SSE sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X, channel); #else sbr->qmfs[ch]->qmf_func(sbr, sbr->qmfs[0], X, channel); #endif if (sbr->bs_header_flag) sbr->just_seeked = 0; if (sbr->header_count != 0 && sbr->ret == 0) { ret = sbr_save_prev_data(sbr, 0); if (ret) return ret; } sbr->frame++; return 0; }
uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *right_channel, const uint8_t just_seeked, const uint8_t downSampledSBR) { uint8_t l, k; uint8_t dont_process = 0; uint8_t ret = 0; memset(p_XLR->X_L, 0, sizeof(*p_XLR->X_L)); memset(p_XLR->X_R, 0, sizeof(*p_XLR->X_R)); if (sbr == NULL) return 20; /* case can occur due to bit errors */ if (sbr->id_aac != ID_SCE && sbr->id_aac != ID_LFE) return 21; if (sbr->ret || (sbr->header_count == 0)) { /* don't process just upsample */ dont_process = 1; /* Re-activate reset for next frame */ if (sbr->ret && sbr->Reset) sbr->bs_start_freq_prev = -1; } if (just_seeked) { sbr->just_seeked = 1; } else { sbr->just_seeked = 0; } sbr_process_channel(sbr, left_channel, p_XLR->X_L, 0, dont_process, downSampledSBR); /* copy some extra data for PS */ for (l = 32; l < 38; l++) { for (k = 0; k < 5; k++) { QMF_RE(p_XLR->X_L[l][k]) = QMF_RE(sbr->Xsbr[0][sbr->tHFAdj+l][k]); QMF_IM(p_XLR->X_L[l][k]) = QMF_IM(sbr->Xsbr[0][sbr->tHFAdj+l][k]); } } /* perform parametric stereo */ #ifdef DRM_PS if (sbr->Is_DRM_SBR) { drm_ps_decode(sbr->drm_ps, (sbr->ret > 0), sbr->sample_rate, p_XLR->X_L, p_XLR->X_R); } else { #endif #ifdef PS_DEC ps_decode(&sbr->ps, p_XLR->X_L, p_XLR->X_R); #endif #ifdef DRM_PS } #endif /* subband synthesis */ if (downSampledSBR) { sbr_qmf_synthesis_32(sbr, &sbr->qmfs[0], p_XLR->X_L, left_channel); sbr_qmf_synthesis_32(sbr, &sbr->qmfs[1], p_XLR->X_R, right_channel); } else { sbr_qmf_synthesis_64(sbr, &sbr->qmfs[0], p_XLR->X_L, left_channel); sbr_qmf_synthesis_64(sbr, &sbr->qmfs[1], p_XLR->X_R, right_channel); } if (sbr->bs_header_flag) sbr->just_seeked = 0; if (sbr->header_count != 0 && sbr->ret == 0) { ret = sbr_save_prev_data(sbr, 0); if (ret) return ret; } sbr_save_matrix(sbr, 0); sbr->frame++; return 0; }
uint8_t sbrDecodeCoupleFrame(sbr_info *sbr, real_t *left_chan, real_t *right_chan, const uint8_t just_seeked, const uint8_t downSampledSBR) { uint8_t dont_process = 0; uint8_t ret = 0; ALIGN qmf_t X[MAX_NTSR][64]; if (sbr == NULL) return 20; /* case can occur due to bit errors */ if (sbr->id_aac != ID_CPE) return 21; if (sbr->ret || (sbr->header_count == 0)) { /* don't process just upsample */ dont_process = 1; /* Re-activate reset for next frame */ if (sbr->ret && sbr->Reset) sbr->bs_start_freq_prev = -1; } if (just_seeked) { sbr->just_seeked = 1; } else { sbr->just_seeked = 0; } sbr->ret += sbr_process_channel(sbr, left_chan, X, 0, dont_process, downSampledSBR); /* subband synthesis */ if (downSampledSBR) { sbr_qmf_synthesis_32(sbr, sbr->qmfs[0], X, left_chan); } else { sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X, left_chan); } sbr->ret += sbr_process_channel(sbr, right_chan, X, 1, dont_process, downSampledSBR); /* subband synthesis */ if (downSampledSBR) { sbr_qmf_synthesis_32(sbr, sbr->qmfs[1], X, right_chan); } else { sbr_qmf_synthesis_64(sbr, sbr->qmfs[1], X, right_chan); } if (sbr->bs_header_flag) sbr->just_seeked = 0; if (sbr->header_count != 0 && sbr->ret == 0) { ret = sbr_save_prev_data(sbr, 0); if (ret) return ret; ret = sbr_save_prev_data(sbr, 1); if (ret) return ret; } sbr_save_matrix(sbr, 0); sbr_save_matrix(sbr, 1); sbr->frame++; //#define POST_QMF_PRINT #ifdef POST_QMF_PRINT { int i; for (i = 0; i < 2048; i++) { printf("%d\n", left_chan[i]); } for (i = 0; i < 2048; i++) { printf("%d\n", right_chan[i]); } } #endif return 0; }
uint8_t sbrDecodeSingleFrame(sbr_info *sbr, real_t *channel, const uint8_t just_seeked, const uint8_t downSampledSBR) { uint8_t dont_process = 0; uint8_t ret = 0; if (sbr == NULL) return 20; /* case can occur due to bit errors */ if (sbr->id_aac != ID_SCE && sbr->id_aac != ID_LFE) return 21; if (sbr->ret || (sbr->header_count == 0)) { /* don't process just upsample */ dont_process = 1; /* Re-activate reset for next frame */ if (sbr->ret && sbr->Reset) sbr->bs_start_freq_prev = -1; } if (just_seeked) { sbr->just_seeked = 1; } else { sbr->just_seeked = 0; } sbr_process_channel(sbr, channel, p_XLR->X_L, 0, dont_process, downSampledSBR); /* subband synthesis */ if (downSampledSBR) { sbr_qmf_synthesis_32(sbr, &sbr->qmfs[0], p_XLR->X_L, channel); } else { sbr_qmf_synthesis_64(sbr, &sbr->qmfs[0], p_XLR->X_L, channel); } if (sbr->bs_header_flag) sbr->just_seeked = 0; if (sbr->header_count != 0 && sbr->ret == 0) { ret = sbr_save_prev_data(sbr, 0); if (ret) return ret; } sbr_save_matrix(sbr, 0); sbr->frame++; //#define POST_QMF_PRINT #ifdef POST_QMF_PRINT { int i; for (i = 0; i < 2048; i++) { printf("%d\n", channel[i]); } } #endif return 0; }
uint8_t sbrDecodeSingleFramePS(sbr_info *sbr, real_t *left_channel, real_t *right_channel, const uint8_t just_seeked, const uint8_t downSampledSBR) { uint8_t l, k; uint8_t dont_process = 0; uint8_t ret = 0; ALIGN qmf_t X_left[38][64] = {{0}}; ALIGN qmf_t X_right[38][64] = {{0}}; /* must set this to 0 */ if (sbr == NULL) return 20; /* case can occur due to bit errors */ if (sbr->id_aac != ID_SCE && sbr->id_aac != ID_LFE) return 21; if (sbr->ret || (sbr->header_count == 0)) { /* don't process just upsample */ dont_process = 1; /* Re-activate reset for next frame */ if (sbr->ret && sbr->Reset) sbr->bs_start_freq_prev = -1; } if (just_seeked) { sbr->just_seeked = 1; } else { sbr->just_seeked = 0; } if (sbr->qmfs[1] == NULL) { sbr->qmfs[1] = qmfs_init((downSampledSBR)?32:64); } sbr->ret += sbr_process_channel(sbr, left_channel, X_left, 0, dont_process, downSampledSBR); /* copy some extra data for PS */ for (l = sbr->numTimeSlotsRate; l < sbr->numTimeSlotsRate + 6; l++) { for (k = 0; k < 5; k++) { QMF_RE(X_left[l][k]) = QMF_RE(sbr->Xsbr[0][sbr->tHFAdj+l][k]); QMF_IM(X_left[l][k]) = QMF_IM(sbr->Xsbr[0][sbr->tHFAdj+l][k]); } } /* perform parametric stereo */ #ifdef DRM_PS if (sbr->Is_DRM_SBR) { drm_ps_decode(sbr->drm_ps, (sbr->ret > 0), X_left, X_right); } else { #endif #ifdef PS_DEC ps_decode(sbr->ps, X_left, X_right); #endif #ifdef DRM_PS } #endif /* subband synthesis */ if (downSampledSBR) { sbr_qmf_synthesis_32(sbr, sbr->qmfs[0], X_left, left_channel); sbr_qmf_synthesis_32(sbr, sbr->qmfs[1], X_right, right_channel); } else { sbr_qmf_synthesis_64(sbr, sbr->qmfs[0], X_left, left_channel); sbr_qmf_synthesis_64(sbr, sbr->qmfs[1], X_right, right_channel); } if (sbr->bs_header_flag) sbr->just_seeked = 0; if (sbr->header_count != 0 && sbr->ret == 0) { ret = sbr_save_prev_data(sbr, 0); if (ret) return ret; } sbr_save_matrix(sbr, 0); sbr->frame++; return 0; }