From 4d8d16b596c63de85e52488734338fbb41238058 Mon Sep 17 00:00:00 2001 From: Diego Biurrun Date: Mon, 5 Aug 2013 12:37:01 +0200 Subject: twinvq: Prefix enums and defines shared with VoxWare MetaSound --- libavcodec/twinvq.c | 147 +++++++++++++++++++++++++++------------------------- 1 file changed, 76 insertions(+), 71 deletions(-) (limited to 'libavcodec/twinvq.c') diff --git a/libavcodec/twinvq.c b/libavcodec/twinvq.c index 3bc22d6c35..419a94f666 100644 --- a/libavcodec/twinvq.c +++ b/libavcodec/twinvq.c @@ -33,26 +33,26 @@ #include "twinvq_data.h" enum TwinVQFrameType { - FT_SHORT = 0, ///< Short frame (divided in n sub-blocks) - FT_MEDIUM, ///< Medium frame (divided in mmtab; - int size_s = mtab->size / mtab->fmode[FT_SHORT].sub; + int size_s = mtab->size / mtab->fmode[TWINVQ_FT_SHORT].sub; for (i = 0; i < size_s / 2; i++) { float cos_i = tctx->cos_tabs[0][i]; @@ -533,25 +533,25 @@ static void dec_gain(TwinVQContext *tctx, const TwinVQFrameData *bits = &tctx->bits; int i, j; int sub = mtab->fmode[ftype].sub; - float step = AMP_MAX / ((1 << GAIN_BITS) - 1); - float sub_step = SUB_AMP_MAX / ((1 << SUB_GAIN_BITS) - 1); + float step = TWINVQ_AMP_MAX / ((1 << TWINVQ_GAIN_BITS) - 1); + float sub_step = TWINVQ_SUB_AMP_MAX / ((1 << TWINVQ_SUB_GAIN_BITS) - 1); - if (ftype == FT_LONG) { + if (ftype == TWINVQ_FT_LONG) { for (i = 0; i < tctx->avctx->channels; i++) out[i] = (1.0 / (1 << 13)) * mulawinv(step * 0.5 + step * bits->gain_bits[i], - AMP_MAX, MULAW_MU); + TWINVQ_AMP_MAX, TWINVQ_MULAW_MU); } else { for (i = 0; i < tctx->avctx->channels; i++) { float val = (1.0 / (1 << 23)) * mulawinv(step * 0.5 + step * bits->gain_bits[i], - AMP_MAX, MULAW_MU); + TWINVQ_AMP_MAX, TWINVQ_MULAW_MU); for (j = 0; j < sub; j++) out[i * sub + j] = val * mulawinv(sub_step * 0.5 + sub_step * bits->sub_gain_bits[i * sub + j], - SUB_AMP_MAX, MULAW_MU); + TWINVQ_SUB_AMP_MAX, TWINVQ_MULAW_MU); } } } @@ -625,13 +625,13 @@ static void dec_lpc_spectrum_inv(TwinVQContext *tctx, float *lsp, lsp[i] = 2 * cos(lsp[i]); switch (ftype) { - case FT_LONG: + case TWINVQ_FT_LONG: eval_lpcenv_2parts(tctx, ftype, lsp, lpc, size, 8); break; - case FT_MEDIUM: + case TWINVQ_FT_MEDIUM: eval_lpcenv_2parts(tctx, ftype, lsp, lpc, size, 2); break; - case FT_SHORT: + case TWINVQ_FT_SHORT: eval_lpcenv(tctx, lsp, lpc); break; } @@ -652,9 +652,9 @@ static void imdct_and_window(TwinVQContext *tctx, enum TwinVQFrameType ftype, float *out2 = out; float *prev_buf; int types_sizes[] = { - mtab->size / mtab->fmode[FT_LONG].sub, - mtab->size / mtab->fmode[FT_MEDIUM].sub, - mtab->size / (mtab->fmode[FT_SHORT].sub * 2), + mtab->size / mtab->fmode[TWINVQ_FT_LONG].sub, + mtab->size / mtab->fmode[TWINVQ_FT_MEDIUM].sub, + mtab->size / (mtab->fmode[TWINVQ_FT_SHORT].sub * 2), }; wsize = types_sizes[wtype_to_wsize[wtype]]; @@ -662,7 +662,7 @@ static void imdct_and_window(TwinVQContext *tctx, enum TwinVQFrameType ftype, prev_buf = prev + (size - bsize) / 2; for (j = 0; j < mtab->fmode[ftype].sub; j++) { - int sub_wtype = ftype == FT_MEDIUM ? 8 : wtype; + int sub_wtype = ftype == TWINVQ_FT_MEDIUM ? 8 : wtype; if (!j && wtype == 4) sub_wtype = 4; @@ -682,7 +682,7 @@ static void imdct_and_window(TwinVQContext *tctx, enum TwinVQFrameType ftype, memcpy(out2, buf1 + bsize * j + wsize / 2, (bsize - wsize / 2) * sizeof(float)); - out2 += ftype == FT_MEDIUM ? (bsize - wsize) / 2 : bsize - wsize; + out2 += ftype == TWINVQ_FT_MEDIUM ? (bsize - wsize) / 2 : bsize - wsize; prev_buf = buf1 + bsize * j + bsize / 2; } @@ -757,8 +757,8 @@ static void read_and_decode_spectrum(TwinVQContext *tctx, float *out, int channels = tctx->avctx->channels; int sub = mtab->fmode[ftype].sub; int block_size = mtab->size / sub; - float gain[CHANNELS_MAX * SUBBLOCKS_MAX]; - float ppc_shape[PPC_SHAPE_LEN_MAX * CHANNELS_MAX * 4]; + float gain[TWINVQ_CHANNELS_MAX * TWINVQ_SUBBLOCKS_MAX]; + float ppc_shape[TWINVQ_PPC_SHAPE_LEN_MAX * TWINVQ_CHANNELS_MAX * 4]; int i, j; @@ -768,16 +768,18 @@ static void read_and_decode_spectrum(TwinVQContext *tctx, float *out, dec_gain(tctx, ftype, gain); - if (ftype == FT_LONG) { + if (ftype == TWINVQ_FT_LONG) { int cb_len_p = (tctx->n_div[3] + mtab->ppc_shape_len * channels - 1) / tctx->n_div[3]; - dequant(tctx, bits->ppc_coeffs, ppc_shape, FT_PPC, mtab->ppc_shape_cb, - mtab->ppc_shape_cb + cb_len_p * PPC_SHAPE_CB_SIZE, cb_len_p); + dequant(tctx, bits->ppc_coeffs, ppc_shape, + TWINVQ_FT_PPC, mtab->ppc_shape_cb, + mtab->ppc_shape_cb + cb_len_p * TWINVQ_PPC_SHAPE_CB_SIZE, + cb_len_p); } for (i = 0; i < channels; i++) { float *chunk = out + mtab->size * i; - float lsp[LSP_COEFS_MAX]; + float lsp[TWINVQ_LSP_COEFS_MAX]; for (j = 0; j < sub; j++) { dec_bark_env(tctx, bits->bark1[i][j], bits->bark_use_hist[i][j], i, @@ -788,12 +790,12 @@ static void read_and_decode_spectrum(TwinVQContext *tctx, float *out, tctx->tmp_buf, block_size); } - if (ftype == FT_LONG) { + if (ftype == TWINVQ_FT_LONG) { float pgain_step = 25000.0 / ((1 << mtab->pgain_bit) - 1); float v = 1.0 / 8192 * mulawinv(pgain_step * bits->g_coef[i] + pgain_step / 2, - 25000.0, PGAIN_MU); + 25000.0, TWINVQ_PGAIN_MU); decode_ppc(tctx, bits->p_coef[i], ppc_shape + i * mtab->ppc_shape_len, v, chunk); @@ -825,8 +827,9 @@ static void read_cb_data(TwinVQContext *tctx, GetBitContext *gb, } static const enum TwinVQFrameType wtype_to_ftype_table[] = { - FT_LONG, FT_LONG, FT_SHORT, FT_LONG, - FT_MEDIUM, FT_LONG, FT_LONG, FT_MEDIUM, FT_MEDIUM + TWINVQ_FT_LONG, TWINVQ_FT_LONG, TWINVQ_FT_SHORT, TWINVQ_FT_LONG, + TWINVQ_FT_MEDIUM, TWINVQ_FT_LONG, TWINVQ_FT_LONG, TWINVQ_FT_MEDIUM, + TWINVQ_FT_MEDIUM }; static int twinvq_read_bitstream(AVCodecContext *avctx, TwinVQContext *tctx, @@ -842,7 +845,7 @@ static int twinvq_read_bitstream(AVCodecContext *avctx, TwinVQContext *tctx, init_get_bits(&gb, buf, buf_size * 8); skip_bits(&gb, get_bits(&gb, 8)); - bits->window_type = get_bits(&gb, WINDOW_TYPE_BITS); + bits->window_type = get_bits(&gb, TWINVQ_WINDOW_TYPE_BITS); if (bits->window_type > 8) { av_log(avctx, AV_LOG_ERROR, "Invalid window type, broken sample?\n"); @@ -865,14 +868,15 @@ static int twinvq_read_bitstream(AVCodecContext *avctx, TwinVQContext *tctx, for (j = 0; j < sub; j++) bits->bark_use_hist[i][j] = get_bits1(&gb); - if (bits->ftype == FT_LONG) { + if (bits->ftype == TWINVQ_FT_LONG) { for (i = 0; i < channels; i++) - bits->gain_bits[i] = get_bits(&gb, GAIN_BITS); + bits->gain_bits[i] = get_bits(&gb, TWINVQ_GAIN_BITS); } else { for (i = 0; i < channels; i++) { - bits->gain_bits[i] = get_bits(&gb, GAIN_BITS); + bits->gain_bits[i] = get_bits(&gb, TWINVQ_GAIN_BITS); for (j = 0; j < sub; j++) - bits->sub_gain_bits[i * sub + j] = get_bits(&gb, SUB_GAIN_BITS); + bits->sub_gain_bits[i * sub + j] = + get_bits(&gb, TWINVQ_SUB_GAIN_BITS); } } @@ -884,7 +888,7 @@ static int twinvq_read_bitstream(AVCodecContext *avctx, TwinVQContext *tctx, bits->lpc_idx2[i][j] = get_bits(&gb, mtab->lsp_bit2); } - if (bits->ftype == FT_LONG) { + if (bits->ftype == TWINVQ_FT_LONG) { read_cb_data(tctx, &gb, bits->ppc_coeffs, 3); for (i = 0; i < channels; i++) { bits->p_coef[i] = get_bits(&gb, mtab->ppc_period_bit); @@ -949,8 +953,8 @@ static av_cold int init_mdct_win(TwinVQContext *tctx) { int i, j, ret; const TwinVQModeTab *mtab = tctx->mtab; - int size_s = mtab->size / mtab->fmode[FT_SHORT].sub; - int size_m = mtab->size / mtab->fmode[FT_MEDIUM].sub; + int size_s = mtab->size / mtab->fmode[TWINVQ_FT_SHORT].sub; + int size_m = mtab->size / mtab->fmode[TWINVQ_FT_MEDIUM].sub; int channels = tctx->avctx->channels; float norm = channels == 1 ? 2.0 : 1.0; @@ -1012,12 +1016,12 @@ static void permutate_in_line(int16_t *tab, int num_vect, int num_blocks, for (i = 0; i < line_len[0]; i++) { int shift; - if (num_blocks == 1 || - (ftype == FT_LONG && num_vect % num_blocks) || - (ftype != FT_LONG && num_vect & 1) || + if (num_blocks == 1 || + (ftype == TWINVQ_FT_LONG && num_vect % num_blocks) || + (ftype != TWINVQ_FT_LONG && num_vect & 1) || i == line_len[1]) { shift = 0; - } else if (ftype == FT_LONG) { + } else if (ftype == TWINVQ_FT_LONG) { shift = i; } else shift = i * i; @@ -1069,7 +1073,7 @@ static av_cold void construct_perm_table(TwinVQContext *tctx, const TwinVQModeTab *mtab = tctx->mtab; int16_t *tmp_perm = (int16_t *)tctx->tmp_buf; - if (ftype == FT_PPC) { + if (ftype == TWINVQ_FT_PPC) { size = tctx->avctx->channels; block_size = mtab->ppc_shape_len; } else { @@ -1111,12 +1115,13 @@ static av_cold void init_bitstream_params(TwinVQContext *tctx) mtab->fmode[i].bark_n_bit + 1); bsize_no_main_cb[2] = bse_bits[2] + lsp_bits_per_block + ppc_bits + - WINDOW_TYPE_BITS + n_ch * GAIN_BITS; + TWINVQ_WINDOW_TYPE_BITS + n_ch * TWINVQ_GAIN_BITS; for (i = 0; i < 2; i++) bsize_no_main_cb[i] = - lsp_bits_per_block + n_ch * GAIN_BITS + WINDOW_TYPE_BITS + - mtab->fmode[i].sub * (bse_bits[i] + n_ch * SUB_GAIN_BITS); + lsp_bits_per_block + n_ch * TWINVQ_GAIN_BITS + + TWINVQ_WINDOW_TYPE_BITS + + mtab->fmode[i].sub * (bse_bits[i] + n_ch * TWINVQ_SUB_GAIN_BITS); // The remaining bits are all used for the main spectrum coefficients for (i = 0; i < 4; i++) { @@ -1153,7 +1158,7 @@ static av_cold void init_bitstream_params(TwinVQContext *tctx) tctx->length_change[i] = num_rounded_up; } - for (frametype = FT_SHORT; frametype <= FT_PPC; frametype++) + for (frametype = TWINVQ_FT_SHORT; frametype <= TWINVQ_FT_PPC; frametype++) construct_perm_table(tctx, frametype); } @@ -1210,7 +1215,7 @@ static av_cold int twinvq_decode_init(AVCodecContext *avctx) break; } - if (avctx->channels <= 0 || avctx->channels > CHANNELS_MAX) { + if (avctx->channels <= 0 || avctx->channels > TWINVQ_CHANNELS_MAX) { av_log(avctx, AV_LOG_ERROR, "Unsupported number of channels: %i\n", avctx->channels); return -1; -- cgit v1.2.3