Lines Matching refs:tctx

64 static void decode_ppc(TwinVQContext *tctx, int period_coef, int g_coef,
67     const TwinVQModeTab *mtab = tctx->mtab;
68     int channels     = tctx->avctx->ch_layout.nb_channels;
69     int isampf       = tctx->avctx->sample_rate / 1000;
70     int ibps         = tctx->avctx->bit_rate / (1000 * channels);
116 static void dec_bark_env(TwinVQContext *tctx, const uint8_t *in, int use_hist,
120     const TwinVQModeTab *mtab = tctx->mtab;
122     float *hist     = tctx->bark_hist[ftype][ch];
127     int channels    = tctx->avctx->ch_layout.nb_channels;
154 static void read_cb_data(TwinVQContext *tctx, GetBitContext *gb,
159     for (i = 0; i < tctx->n_div[ftype]; i++) {
160         int bs_second_part = (i >= tctx->bits_main_spec_change[ftype]);
162         *dst++ = get_bits(gb, tctx->bits_main_spec[0][ftype][bs_second_part]);
163         *dst++ = get_bits(gb, tctx->bits_main_spec[1][ftype][bs_second_part]);
167 static int metasound_read_bitstream(AVCodecContext *avctx, TwinVQContext *tctx,
171     const TwinVQModeTab *mtab = tctx->mtab;
172     int channels              = tctx->avctx->ch_layout.nb_channels;
180     for (tctx->cur_frame = 0; tctx->cur_frame < tctx->frames_per_packet;
181          tctx->cur_frame++) {
182         bits = tctx->bits + tctx->cur_frame;
191         bits->ftype = ff_twinvq_wtype_to_ftype_table[tctx->bits[tctx->cur_frame].window_type];
195         if (bits->ftype != TWINVQ_FT_SHORT && !tctx->is_6kbps)
198         read_cb_data(tctx, &gb, bits->main_coeffs, bits->ftype);
231             read_cb_data(tctx, &gb, bits->ppc_coeffs, 3);
278     TwinVQContext *tctx = avctx->priv_data;
317         tctx->mtab = &ff_metasound_mode0806;
320         tctx->mtab = &ff_metasound_mode0806s;
323         tctx->mtab = &ff_metasound_mode0808;
326         tctx->mtab = &ff_metasound_mode0808s;
329         tctx->mtab = &ff_metasound_mode1110;
332         tctx->mtab = &ff_metasound_mode1110s;
335         tctx->mtab = &ff_metasound_mode1616;
338         tctx->mtab = &ff_metasound_mode1616s;
341         tctx->mtab = &ff_metasound_mode2224;
344         tctx->mtab = &ff_metasound_mode2224s;
348         tctx->mtab = &ff_metasound_mode4432;
352         tctx->mtab = &ff_metasound_mode4440;
356         tctx->mtab = &ff_metasound_mode4448;
365     tctx->codec          = TWINVQ_CODEC_METASOUND;
366     tctx->read_bitstream = metasound_read_bitstream;
367     tctx->dec_bark_env   = dec_bark_env;
368     tctx->decode_ppc     = decode_ppc;
369     tctx->frame_size     = avctx->bit_rate * tctx->mtab->size
371     tctx->is_6kbps       = ibps == 6;