- uint32_t t;
-
- /* first dword */
- t = AV_RL32(input);
- input += 4;
-
- dec->flag = t & 1;
-
- dec->vector[0] = ts_codebook[0][(t >> 1) & 0x1F];
- dec->vector[1] = ts_codebook[1][(t >> 6) & 0x1F];
- dec->vector[2] = ts_codebook[2][(t >> 11) & 0xF];
- dec->vector[3] = ts_codebook[3][(t >> 15) & 0xF];
- dec->vector[4] = ts_codebook[4][(t >> 19) & 0xF];
- dec->vector[5] = ts_codebook[5][(t >> 23) & 0x7];
- dec->vector[6] = ts_codebook[6][(t >> 26) & 0x7];
- dec->vector[7] = ts_codebook[7][(t >> 29) & 0x7];
-
- /* second dword */
- t = AV_RL32(input);
- input += 4;
-
- dec->offset2[0] = (t >> 0) & 0x7F;
- dec->offset2[1] = (t >> 7) & 0x7F;
- dec->offset2[2] = (t >> 14) & 0x7F;
- dec->offset2[3] = (t >> 21) & 0x7F;
-
- dec->offset1[0] = ((t >> 28) & 0xF) << 4;
-
- /* third dword */
- t = AV_RL32(input);
- input += 4;
-
- dec->pulseval[0] = (t >> 0) & 0x3FFF;
- dec->pulseval[1] = (t >> 14) & 0x3FFF;
-
- dec->offset1[1] = (t >> 28) & 0x0F;
-
- /* fourth dword */
- t = AV_RL32(input);
- input += 4;
-
- dec->pulseval[2] = (t >> 0) & 0x3FFF;
- dec->pulseval[3] = (t >> 14) & 0x3FFF;
-
- dec->offset1[1] |= ((t >> 28) & 0x0F) << 4;
-
- /* fifth dword */
- t = AV_RL32(input);
- input += 4;
-
- dec->pulsepos[0] = (t >> 4) & 0x7FFFFFF;
-
- dec->pulseoff[0] = (t >> 0) & 0xF;
-
- dec->offset1[0] |= (t >> 31) & 1;
-
- /* sixth dword */
- t = AV_RL32(input);
- input += 4;
-
- dec->pulsepos[1] = (t >> 4) & 0x7FFFFFF;
-
- dec->pulseoff[1] = (t >> 0) & 0xF;
-
- dec->offset1[0] |= ((t >> 31) & 1) << 1;
-
- /* seventh dword */
- t = AV_RL32(input);
- input += 4;
-
- dec->pulsepos[2] = (t >> 4) & 0x7FFFFFF;
-
- dec->pulseoff[2] = (t >> 0) & 0xF;
-
- dec->offset1[0] |= ((t >> 31) & 1) << 2;
-
- /* eighth dword */
- t = AV_RL32(input);
- input += 4;
-
- dec->pulsepos[3] = (t >> 4) & 0x7FFFFFF;
-
- dec->pulseoff[3] = (t >> 0) & 0xF;
-
- dec->offset1[0] |= ((t >> 31) & 1) << 3;
-
+ GetBitContext gb;
+
+ dec->dsp.bswap_buf((uint32_t *)dec->buffer, (const uint32_t *)input, 8);
+ init_get_bits(&gb, dec->buffer, 32 * 8);
+
+ dec->vector[7] = ts_codebook[7][get_bits(&gb, 3)];
+ dec->vector[6] = ts_codebook[6][get_bits(&gb, 3)];
+ dec->vector[5] = ts_codebook[5][get_bits(&gb, 3)];
+ dec->vector[4] = ts_codebook[4][get_bits(&gb, 4)];
+ dec->vector[3] = ts_codebook[3][get_bits(&gb, 4)];
+ dec->vector[2] = ts_codebook[2][get_bits(&gb, 4)];
+ dec->vector[1] = ts_codebook[1][get_bits(&gb, 5)];
+ dec->vector[0] = ts_codebook[0][get_bits(&gb, 5)];
+ dec->flag = get_bits1(&gb);
+
+ dec->offset1[0] = get_bits(&gb, 4) << 4;
+ dec->offset2[3] = get_bits(&gb, 7);
+ dec->offset2[2] = get_bits(&gb, 7);
+ dec->offset2[1] = get_bits(&gb, 7);
+ dec->offset2[0] = get_bits(&gb, 7);
+
+ dec->offset1[1] = get_bits(&gb, 4);
+ dec->pulseval[1] = get_bits(&gb, 14);
+ dec->pulseval[0] = get_bits(&gb, 14);
+
+ dec->offset1[1] |= get_bits(&gb, 4) << 4;
+ dec->pulseval[3] = get_bits(&gb, 14);
+ dec->pulseval[2] = get_bits(&gb, 14);
+
+ dec->offset1[0] |= get_bits1(&gb);
+ dec->pulsepos[0] = get_bits_long(&gb, 27);
+ dec->pulseoff[0] = get_bits(&gb, 4);
+
+ dec->offset1[0] |= get_bits1(&gb) << 1;
+ dec->pulsepos[1] = get_bits_long(&gb, 27);
+ dec->pulseoff[1] = get_bits(&gb, 4);
+
+ dec->offset1[0] |= get_bits1(&gb) << 2;
+ dec->pulsepos[2] = get_bits_long(&gb, 27);
+ dec->pulseoff[2] = get_bits(&gb, 4);
+
+ dec->offset1[0] |= get_bits1(&gb) << 3;
+ dec->pulsepos[3] = get_bits_long(&gb, 27);
+ dec->pulseoff[3] = get_bits(&gb, 4);