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@ -88,6 +88,10 @@ static int mpc8_get_mask(GetBitContext *gb, int size, int t) |
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return mask; |
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return mask; |
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} |
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} |
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static int vlc_offsets[13] = { |
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0, 640, 1184, 1748, 2298, 2426, 2554, 3066, 3578, 4106, 4618, 5196, 5708 |
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}; |
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static av_cold int mpc8_decode_init(AVCodecContext * avctx) |
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static av_cold int mpc8_decode_init(AVCodecContext * avctx) |
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{ |
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{ |
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int i; |
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int i; |
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@ -95,6 +99,17 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx) |
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GetBitContext gb; |
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GetBitContext gb; |
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static int vlc_initialized = 0; |
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static int vlc_initialized = 0; |
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static VLC_TYPE band_table[542][2]; |
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static VLC_TYPE q1_table[520][2]; |
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static VLC_TYPE q9up_table[524][2]; |
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static VLC_TYPE scfi0_table[1 << MPC8_SCFI0_BITS][2]; |
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static VLC_TYPE scfi1_table[1 << MPC8_SCFI1_BITS][2]; |
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static VLC_TYPE dscf0_table[560][2]; |
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static VLC_TYPE dscf1_table[598][2]; |
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static VLC_TYPE q3_0_table[512][2]; |
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static VLC_TYPE q3_1_table[516][2]; |
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static VLC_TYPE codes_table[5708][2]; |
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if(avctx->extradata_size < 2){ |
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if(avctx->extradata_size < 2){ |
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av_log(avctx, AV_LOG_ERROR, "Too small extradata size (%i)!\n", avctx->extradata_size); |
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av_log(avctx, AV_LOG_ERROR, "Too small extradata size (%i)!\n", avctx->extradata_size); |
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return -1; |
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return -1; |
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@ -116,61 +131,91 @@ static av_cold int mpc8_decode_init(AVCodecContext * avctx) |
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if(vlc_initialized) return 0; |
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if(vlc_initialized) return 0; |
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av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n"); |
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av_log(avctx, AV_LOG_DEBUG, "Initing VLC\n"); |
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band_vlc.table = band_table; |
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band_vlc.table_allocated = 542; |
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init_vlc(&band_vlc, MPC8_BANDS_BITS, MPC8_BANDS_SIZE, |
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init_vlc(&band_vlc, MPC8_BANDS_BITS, MPC8_BANDS_SIZE, |
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mpc8_bands_bits, 1, 1, |
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mpc8_bands_bits, 1, 1, |
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mpc8_bands_codes, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_bands_codes, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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q1_vlc.table = q1_table; |
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q1_vlc.table_allocated = 520; |
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init_vlc(&q1_vlc, MPC8_Q1_BITS, MPC8_Q1_SIZE, |
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init_vlc(&q1_vlc, MPC8_Q1_BITS, MPC8_Q1_SIZE, |
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mpc8_q1_bits, 1, 1, |
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mpc8_q1_bits, 1, 1, |
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mpc8_q1_codes, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_q1_codes, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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q9up_vlc.table = q9up_table; |
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q9up_vlc.table_allocated = 524; |
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init_vlc(&q9up_vlc, MPC8_Q9UP_BITS, MPC8_Q9UP_SIZE, |
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init_vlc(&q9up_vlc, MPC8_Q9UP_BITS, MPC8_Q9UP_SIZE, |
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mpc8_q9up_bits, 1, 1, |
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mpc8_q9up_bits, 1, 1, |
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mpc8_q9up_codes, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_q9up_codes, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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scfi_vlc[0].table = scfi0_table; |
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scfi_vlc[0].table_allocated = 1 << MPC8_SCFI0_BITS; |
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init_vlc(&scfi_vlc[0], MPC8_SCFI0_BITS, MPC8_SCFI0_SIZE, |
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init_vlc(&scfi_vlc[0], MPC8_SCFI0_BITS, MPC8_SCFI0_SIZE, |
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mpc8_scfi0_bits, 1, 1, |
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mpc8_scfi0_bits, 1, 1, |
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mpc8_scfi0_codes, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_scfi0_codes, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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scfi_vlc[1].table = scfi1_table; |
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scfi_vlc[1].table_allocated = 1 << MPC8_SCFI1_BITS; |
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init_vlc(&scfi_vlc[1], MPC8_SCFI1_BITS, MPC8_SCFI1_SIZE, |
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init_vlc(&scfi_vlc[1], MPC8_SCFI1_BITS, MPC8_SCFI1_SIZE, |
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mpc8_scfi1_bits, 1, 1, |
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mpc8_scfi1_bits, 1, 1, |
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mpc8_scfi1_codes, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_scfi1_codes, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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dscf_vlc[0].table = dscf0_table; |
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dscf_vlc[0].table_allocated = 560; |
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init_vlc(&dscf_vlc[0], MPC8_DSCF0_BITS, MPC8_DSCF0_SIZE, |
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init_vlc(&dscf_vlc[0], MPC8_DSCF0_BITS, MPC8_DSCF0_SIZE, |
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mpc8_dscf0_bits, 1, 1, |
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mpc8_dscf0_bits, 1, 1, |
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mpc8_dscf0_codes, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_dscf0_codes, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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dscf_vlc[1].table = dscf1_table; |
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dscf_vlc[1].table_allocated = 598; |
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init_vlc(&dscf_vlc[1], MPC8_DSCF1_BITS, MPC8_DSCF1_SIZE, |
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init_vlc(&dscf_vlc[1], MPC8_DSCF1_BITS, MPC8_DSCF1_SIZE, |
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mpc8_dscf1_bits, 1, 1, |
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mpc8_dscf1_bits, 1, 1, |
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mpc8_dscf1_codes, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_dscf1_codes, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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q3_vlc[0].table = q3_0_table; |
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q3_vlc[0].table_allocated = 512; |
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init_vlc_sparse(&q3_vlc[0], MPC8_Q3_BITS, MPC8_Q3_SIZE, |
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init_vlc_sparse(&q3_vlc[0], MPC8_Q3_BITS, MPC8_Q3_SIZE, |
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mpc8_q3_bits, 1, 1, |
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mpc8_q3_bits, 1, 1, |
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mpc8_q3_codes, 1, 1, |
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mpc8_q3_codes, 1, 1, |
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mpc8_q3_syms, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_q3_syms, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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q3_vlc[1].table = q3_1_table; |
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q3_vlc[1].table_allocated = 516; |
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init_vlc_sparse(&q3_vlc[1], MPC8_Q4_BITS, MPC8_Q4_SIZE, |
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init_vlc_sparse(&q3_vlc[1], MPC8_Q4_BITS, MPC8_Q4_SIZE, |
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mpc8_q4_bits, 1, 1, |
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mpc8_q4_bits, 1, 1, |
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mpc8_q4_codes, 1, 1, |
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mpc8_q4_codes, 1, 1, |
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mpc8_q4_syms, 1, 1, INIT_VLC_USE_STATIC); |
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mpc8_q4_syms, 1, 1, INIT_VLC_USE_NEW_STATIC); |
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for(i = 0; i < 2; i++){ |
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for(i = 0; i < 2; i++){ |
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res_vlc[i].table = &codes_table[vlc_offsets[0+i]]; |
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res_vlc[i].table_allocated = vlc_offsets[1+i] - vlc_offsets[0+i]; |
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init_vlc(&res_vlc[i], MPC8_RES_BITS, MPC8_RES_SIZE, |
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init_vlc(&res_vlc[i], MPC8_RES_BITS, MPC8_RES_SIZE, |
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&mpc8_res_bits[i], 1, 1, |
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&mpc8_res_bits[i], 1, 1, |
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&mpc8_res_codes[i], 1, 1, INIT_VLC_USE_STATIC); |
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&mpc8_res_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
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q2_vlc[i].table = &codes_table[vlc_offsets[2+i]]; |
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q2_vlc[i].table_allocated = vlc_offsets[3+i] - vlc_offsets[2+i]; |
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init_vlc(&q2_vlc[i], MPC8_Q2_BITS, MPC8_Q2_SIZE, |
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init_vlc(&q2_vlc[i], MPC8_Q2_BITS, MPC8_Q2_SIZE, |
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&mpc8_q2_bits[i], 1, 1, |
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&mpc8_q2_bits[i], 1, 1, |
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&mpc8_q2_codes[i], 1, 1, INIT_VLC_USE_STATIC); |
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&mpc8_q2_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
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quant_vlc[0][i].table = &codes_table[vlc_offsets[4+i]]; |
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quant_vlc[0][i].table_allocated = vlc_offsets[5+i] - vlc_offsets[4+i]; |
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init_vlc(&quant_vlc[0][i], MPC8_Q5_BITS, MPC8_Q5_SIZE, |
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init_vlc(&quant_vlc[0][i], MPC8_Q5_BITS, MPC8_Q5_SIZE, |
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&mpc8_q5_bits[i], 1, 1, |
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&mpc8_q5_bits[i], 1, 1, |
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&mpc8_q5_codes[i], 1, 1, INIT_VLC_USE_STATIC); |
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&mpc8_q5_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
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quant_vlc[1][i].table = &codes_table[vlc_offsets[6+i]]; |
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quant_vlc[1][i].table_allocated = vlc_offsets[7+i] - vlc_offsets[6+i]; |
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init_vlc(&quant_vlc[1][i], MPC8_Q6_BITS, MPC8_Q6_SIZE, |
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init_vlc(&quant_vlc[1][i], MPC8_Q6_BITS, MPC8_Q6_SIZE, |
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&mpc8_q6_bits[i], 1, 1, |
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&mpc8_q6_bits[i], 1, 1, |
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&mpc8_q6_codes[i], 1, 1, INIT_VLC_USE_STATIC); |
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&mpc8_q6_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
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quant_vlc[2][i].table = &codes_table[vlc_offsets[8+i]]; |
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quant_vlc[2][i].table_allocated = vlc_offsets[9+i] - vlc_offsets[8+i]; |
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init_vlc(&quant_vlc[2][i], MPC8_Q7_BITS, MPC8_Q7_SIZE, |
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init_vlc(&quant_vlc[2][i], MPC8_Q7_BITS, MPC8_Q7_SIZE, |
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&mpc8_q7_bits[i], 1, 1, |
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&mpc8_q7_bits[i], 1, 1, |
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&mpc8_q7_codes[i], 1, 1, INIT_VLC_USE_STATIC); |
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&mpc8_q7_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
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quant_vlc[3][i].table = &codes_table[vlc_offsets[10+i]]; |
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quant_vlc[3][i].table_allocated = vlc_offsets[11+i] - vlc_offsets[10+i]; |
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init_vlc(&quant_vlc[3][i], MPC8_Q8_BITS, MPC8_Q8_SIZE, |
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init_vlc(&quant_vlc[3][i], MPC8_Q8_BITS, MPC8_Q8_SIZE, |
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&mpc8_q8_bits[i], 1, 1, |
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&mpc8_q8_bits[i], 1, 1, |
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&mpc8_q8_codes[i], 1, 1, INIT_VLC_USE_STATIC); |
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&mpc8_q8_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
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} |
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} |
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vlc_initialized = 1; |
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vlc_initialized = 1; |
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avctx->sample_fmt = SAMPLE_FMT_S16; |
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avctx->sample_fmt = SAMPLE_FMT_S16; |
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