diff --git a/libavcodec/dca_core.c b/libavcodec/dca_core.c index 36040f6f9d..16210b89f8 100644 --- a/libavcodec/dca_core.c +++ b/libavcodec/dca_core.c @@ -35,35 +35,7 @@ enum HeaderType { HEADER_XXCH }; -enum AudioMode { - AMODE_MONO, // Mode 0: A (mono) - AMODE_MONO_DUAL, // Mode 1: A + B (dual mono) - AMODE_STEREO, // Mode 2: L + R (stereo) - AMODE_STEREO_SUMDIFF, // Mode 3: (L+R) + (L-R) (sum-diff) - AMODE_STEREO_TOTAL, // Mode 4: LT + RT (left and right total) - AMODE_3F, // Mode 5: C + L + R - AMODE_2F1R, // Mode 6: L + R + S - AMODE_3F1R, // Mode 7: C + L + R + S - AMODE_2F2R, // Mode 8: L + R + SL + SR - AMODE_3F2R, // Mode 9: C + L + R + SL + SR - - AMODE_COUNT -}; - -enum ExtAudioType { - EXT_AUDIO_XCH = 0, - EXT_AUDIO_X96 = 2, - EXT_AUDIO_XXCH = 6 -}; - -enum LFEFlag { - LFE_FLAG_NONE, - LFE_FLAG_128, - LFE_FLAG_64, - LFE_FLAG_INVALID -}; - -static const int8_t prm_ch_to_spkr_map[AMODE_COUNT][5] = { +static const int8_t prm_ch_to_spkr_map[DCA_AMODE_COUNT][5] = { { DCA_SPEAKER_C, -1, -1, -1, -1 }, { DCA_SPEAKER_L, DCA_SPEAKER_R, -1, -1, -1 }, { DCA_SPEAKER_L, DCA_SPEAKER_R, -1, -1, -1 }, @@ -76,7 +48,7 @@ static const int8_t prm_ch_to_spkr_map[AMODE_COUNT][5] = { { DCA_SPEAKER_C, DCA_SPEAKER_L, DCA_SPEAKER_R, DCA_SPEAKER_Ls, DCA_SPEAKER_Rs } }; -static const uint8_t audio_mode_ch_mask[AMODE_COUNT] = { +static const uint8_t audio_mode_ch_mask[DCA_AMODE_COUNT] = { DCA_SPEAKER_LAYOUT_MONO, DCA_SPEAKER_LAYOUT_STEREO, DCA_SPEAKER_LAYOUT_STEREO, @@ -139,7 +111,7 @@ static int parse_frame_header(DCACoreDecoder *s) // Audio channel arrangement s->audio_mode = get_bits(&s->gb, 6); - if (s->audio_mode >= AMODE_COUNT) { + if (s->audio_mode >= DCA_AMODE_COUNT) { av_log(s->avctx, AV_LOG_ERROR, "Unsupported audio channel arrangement (%d)\n", s->audio_mode); return AVERROR_PATCHWELCOME; } @@ -180,7 +152,7 @@ static int parse_frame_header(DCACoreDecoder *s) // Low frequency effects flag s->lfe_present = get_bits(&s->gb, 2); - if (s->lfe_present == LFE_FLAG_INVALID) { + if (s->lfe_present == DCA_LFE_FLAG_INVALID) { av_log(s->avctx, AV_LOG_ERROR, "Invalid low frequency effects flag\n"); return AVERROR_INVALIDDATA; } @@ -1783,7 +1755,7 @@ static int parse_optional_info(DCACoreDecoder *s) // must be done backwards from the end of core frame to work around // sync word aliasing issues. switch (s->ext_audio_type) { - case EXT_AUDIO_XCH: + case DCA_EXT_AUDIO_XCH: if (dca->request_channel_layout) break; @@ -1813,7 +1785,7 @@ static int parse_optional_info(DCACoreDecoder *s) } break; - case EXT_AUDIO_X96: + case DCA_EXT_AUDIO_X96: // The distance between X96 sync word and end of the core frame // must be equal to X96 frame size. Minimum X96 frame size is 96 // bytes. @@ -1836,7 +1808,7 @@ static int parse_optional_info(DCACoreDecoder *s) } break; - case EXT_AUDIO_XXCH: + case DCA_EXT_AUDIO_XXCH: if (dca->request_channel_layout) break; @@ -2102,7 +2074,7 @@ int ff_dca_core_filter_fixed(DCACoreDecoder *s, int x96_synth) int nlfesamples = s->npcmblocks >> 1; // Check LFF - if (s->lfe_present == LFE_FLAG_128) { + if (s->lfe_present == DCA_LFE_FLAG_128) { av_log(s->avctx, AV_LOG_ERROR, "Fixed point mode doesn't support LFF=1\n"); return AVERROR(EINVAL); } @@ -2152,7 +2124,7 @@ static int filter_frame_fixed(DCACoreDecoder *s, AVFrame *frame) // Undo embedded XCH downmix if (s->es_format && (s->ext_audio_mask & DCA_CSS_XCH) - && s->audio_mode >= AMODE_2F2R) { + && s->audio_mode >= DCA_AMODE_2F2R) { s->dcadsp->dmix_sub_xch(s->output_samples[DCA_SPEAKER_Ls], s->output_samples[DCA_SPEAKER_Rs], s->output_samples[DCA_SPEAKER_Cs], @@ -2196,15 +2168,15 @@ static int filter_frame_fixed(DCACoreDecoder *s, AVFrame *frame) if (!(s->ext_audio_mask & (DCA_CSS_XXCH | DCA_CSS_XCH | DCA_EXSS_XXCH))) { // Front sum/difference decoding - if ((s->sumdiff_front && s->audio_mode > AMODE_MONO) - || s->audio_mode == AMODE_STEREO_SUMDIFF) { + if ((s->sumdiff_front && s->audio_mode > DCA_AMODE_MONO) + || s->audio_mode == DCA_AMODE_STEREO_SUMDIFF) { s->fixed_dsp->butterflies_fixed(s->output_samples[DCA_SPEAKER_L], s->output_samples[DCA_SPEAKER_R], nsamples); } // Surround sum/difference decoding - if (s->sumdiff_surround && s->audio_mode >= AMODE_2F2R) { + if (s->sumdiff_surround && s->audio_mode >= DCA_AMODE_2F2R) { s->fixed_dsp->butterflies_fixed(s->output_samples[DCA_SPEAKER_Ls], s->output_samples[DCA_SPEAKER_Rs], nsamples); @@ -2308,7 +2280,7 @@ static int filter_frame_float(DCACoreDecoder *s, AVFrame *frame) // Filter LFE channel if (s->lfe_present) { - int dec_select = (s->lfe_present == LFE_FLAG_128); + int dec_select = (s->lfe_present == DCA_LFE_FLAG_128); float *samples = output_samples[DCA_SPEAKER_LFE1]; int nlfesamples = s->npcmblocks >> (dec_select + 1); @@ -2342,7 +2314,7 @@ static int filter_frame_float(DCACoreDecoder *s, AVFrame *frame) // Undo embedded XCH downmix if (s->es_format && (s->ext_audio_mask & DCA_CSS_XCH) - && s->audio_mode >= AMODE_2F2R) { + && s->audio_mode >= DCA_AMODE_2F2R) { s->float_dsp->vector_fmac_scalar(output_samples[DCA_SPEAKER_Ls], output_samples[DCA_SPEAKER_Cs], -M_SQRT1_2, nsamples); @@ -2389,15 +2361,15 @@ static int filter_frame_float(DCACoreDecoder *s, AVFrame *frame) if (!(s->ext_audio_mask & (DCA_CSS_XXCH | DCA_CSS_XCH | DCA_EXSS_XXCH))) { // Front sum/difference decoding - if ((s->sumdiff_front && s->audio_mode > AMODE_MONO) - || s->audio_mode == AMODE_STEREO_SUMDIFF) { + if ((s->sumdiff_front && s->audio_mode > DCA_AMODE_MONO) + || s->audio_mode == DCA_AMODE_STEREO_SUMDIFF) { s->float_dsp->butterflies_float(output_samples[DCA_SPEAKER_L], output_samples[DCA_SPEAKER_R], nsamples); } // Surround sum/difference decoding - if (s->sumdiff_surround && s->audio_mode >= AMODE_2F2R) { + if (s->sumdiff_surround && s->audio_mode >= DCA_AMODE_2F2R) { s->float_dsp->butterflies_float(output_samples[DCA_SPEAKER_Ls], output_samples[DCA_SPEAKER_Rs], nsamples); @@ -2424,7 +2396,7 @@ int ff_dca_core_filter_frame(DCACoreDecoder *s, AVFrame *frame) // Handle downmixing to stereo request if (dca->request_channel_layout == DCA_SPEAKER_LAYOUT_STEREO - && s->audio_mode > AMODE_MONO && s->prim_dmix_embedded + && s->audio_mode > DCA_AMODE_MONO && s->prim_dmix_embedded && (s->prim_dmix_type == DCA_DMIX_TYPE_LoRo || s->prim_dmix_type == DCA_DMIX_TYPE_LtRt)) s->request_mask = DCA_SPEAKER_LAYOUT_STEREO; @@ -2457,8 +2429,8 @@ int ff_dca_core_filter_frame(DCACoreDecoder *s, AVFrame *frame) else avctx->bit_rate = 0; - if (s->audio_mode == AMODE_STEREO_TOTAL || (s->request_mask != s->ch_mask && - s->prim_dmix_type == DCA_DMIX_TYPE_LtRt)) + if (s->audio_mode == DCA_AMODE_STEREO_TOTAL || (s->request_mask != s->ch_mask && + s->prim_dmix_type == DCA_DMIX_TYPE_LtRt)) matrix_encoding = AV_MATRIX_ENCODING_DOLBY; else matrix_encoding = AV_MATRIX_ENCODING_NONE; diff --git a/libavcodec/dca_core.h b/libavcodec/dca_core.h index 7dcfb13bc7..cce0ffd7b1 100644 --- a/libavcodec/dca_core.h +++ b/libavcodec/dca_core.h @@ -56,6 +56,34 @@ #define DCA_FILTER_MODE_X96 0x01 #define DCA_FILTER_MODE_FIXED 0x02 +enum DCACoreAudioMode { + DCA_AMODE_MONO, // Mode 0: A (mono) + DCA_AMODE_MONO_DUAL, // Mode 1: A + B (dual mono) + DCA_AMODE_STEREO, // Mode 2: L + R (stereo) + DCA_AMODE_STEREO_SUMDIFF, // Mode 3: (L+R) + (L-R) (sum-diff) + DCA_AMODE_STEREO_TOTAL, // Mode 4: LT + RT (left and right total) + DCA_AMODE_3F, // Mode 5: C + L + R + DCA_AMODE_2F1R, // Mode 6: L + R + S + DCA_AMODE_3F1R, // Mode 7: C + L + R + S + DCA_AMODE_2F2R, // Mode 8: L + R + SL + SR + DCA_AMODE_3F2R, // Mode 9: C + L + R + SL + SR + + DCA_AMODE_COUNT +}; + +enum DCACoreExtAudioType { + DCA_EXT_AUDIO_XCH = 0, + DCA_EXT_AUDIO_X96 = 2, + DCA_EXT_AUDIO_XXCH = 6 +}; + +enum DCACoreLFEFlag { + DCA_LFE_FLAG_NONE, + DCA_LFE_FLAG_128, + DCA_LFE_FLAG_64, + DCA_LFE_FLAG_INVALID +}; + typedef struct DCADSPData { union { struct { diff --git a/libavcodec/dca_lbr.c b/libavcodec/dca_lbr.c index 56c5f40982..3b50a99cf6 100644 --- a/libavcodec/dca_lbr.c +++ b/libavcodec/dca_lbr.c @@ -30,11 +30,6 @@ #define AMP_MAX 56 -enum LBRHeader { - LBR_HEADER_SYNC_ONLY = 1, - LBR_HEADER_DECODER_INIT = 2 -}; - enum LBRFlags { LBR_FLAG_24_BIT = 0x01, LBR_FLAG_LFE_PRESENT = 0x02, @@ -1171,13 +1166,13 @@ int ff_dca_lbr_parse(DCALbrDecoder *s, uint8_t *data, DCAExssAsset *asset) // LBR header type switch (bytestream2_get_byte(&gb)) { - case LBR_HEADER_SYNC_ONLY: + case DCA_LBR_HEADER_SYNC_ONLY: if (!s->sample_rate) { av_log(s->avctx, AV_LOG_ERROR, "LBR decoder not initialized\n"); return AVERROR_INVALIDDATA; } break; - case LBR_HEADER_DECODER_INIT: + case DCA_LBR_HEADER_DECODER_INIT: if ((ret = parse_decoder_init(s, &gb)) < 0) { s->sample_rate = 0; return ret; diff --git a/libavcodec/dca_lbr.h b/libavcodec/dca_lbr.h index e6ca8057e9..6d4c0a8a63 100644 --- a/libavcodec/dca_lbr.h +++ b/libavcodec/dca_lbr.h @@ -41,6 +41,11 @@ #define DCA_LBR_TIME_SAMPLES 128 #define DCA_LBR_TIME_HISTORY 8 +enum DCALBRHeader { + DCA_LBR_HEADER_SYNC_ONLY = 1, + DCA_LBR_HEADER_DECODER_INIT = 2 +}; + typedef struct DCALbrTone { uint8_t x_freq; ///< Spectral line offset uint8_t f_delt; ///< Difference between original and center frequency