92 vl_vlc_next_input(struct vl_vlc *vlc)  in vl_vlc_next_input()  argument
94    const uint8_t* data = vlc->inputs[0];  in vl_vlc_next_input()
95    unsigned len = vlc->sizes[0];  in vl_vlc_next_input()
97    assert(vlc);  in vl_vlc_next_input()
98    assert(vlc->num_inputs);  in vl_vlc_next_input()
100    vlc->bytes_left -= len;  in vl_vlc_next_input()
104       vlc->buffer |= (uint64_t)*data << (24 + vlc->invalid_bits);  in vl_vlc_next_input()
107       vlc->invalid_bits -= 8;  in vl_vlc_next_input()
109    vlc->data = data;  in vl_vlc_next_input()
110    vlc->end = data + len;  in vl_vlc_next_input()
112    --vlc->num_inputs;  in vl_vlc_next_input()
113    ++vlc->inputs;  in vl_vlc_next_input()
114    ++vlc->sizes;  in vl_vlc_next_input()
121 vl_vlc_fillbits(struct vl_vlc *vlc)  in vl_vlc_fillbits()  argument
123    assert(vlc);  in vl_vlc_fillbits()
126    while (vlc->invalid_bits > 0) {  in vl_vlc_fillbits()
127       unsigned bytes_left = vlc->end - vlc->data;  in vl_vlc_fillbits()
132          if (vlc->num_inputs)  in vl_vlc_fillbits()
134             vl_vlc_next_input(vlc);  in vl_vlc_fillbits()
142          uint64_t value = *(const uint32_t*)vlc->data;  in vl_vlc_fillbits()
148          vlc->buffer |= value << vlc->invalid_bits;  in vl_vlc_fillbits()
149          vlc->data += 4;  in vl_vlc_fillbits()
150          vlc->invalid_bits -= 32;  in vl_vlc_fillbits()
155       } else while (vlc->data < vlc->end) {  in vl_vlc_fillbits()
158          vlc->buffer |= (uint64_t)*vlc->data << (24 + vlc->invalid_bits);  in vl_vlc_fillbits()
159          ++vlc->data;  in vl_vlc_fillbits()
160          vlc->invalid_bits -= 8;  in vl_vlc_fillbits()
169 vl_vlc_init(struct vl_vlc *vlc, unsigned num_inputs,  in vl_vlc_init()  argument
174    assert(vlc);  in vl_vlc_init()
177    vlc->buffer = 0;  in vl_vlc_init()
178    vlc->invalid_bits = 32;  in vl_vlc_init()
179    vlc->num_inputs = num_inputs;  in vl_vlc_init()
180    vlc->inputs = inputs;  in vl_vlc_init()
181    vlc->sizes = sizes;  in vl_vlc_init()
182    vlc->bytes_left = 0;  in vl_vlc_init()
185       vlc->bytes_left += sizes[i];  in vl_vlc_init()
187    vl_vlc_next_input(vlc);  in vl_vlc_init()
188    vl_vlc_fillbits(vlc);  in vl_vlc_init()
189    vl_vlc_fillbits(vlc);  in vl_vlc_init()
196 vl_vlc_valid_bits(struct vl_vlc *vlc)  in vl_vlc_valid_bits()  argument
198    return 32 - vlc->invalid_bits;  in vl_vlc_valid_bits()
205 vl_vlc_bits_left(struct vl_vlc *vlc)  in vl_vlc_bits_left()  argument
207    signed bytes_left = vlc->end - vlc->data;  in vl_vlc_bits_left()
208    bytes_left += vlc->bytes_left;  in vl_vlc_bits_left()
209    return bytes_left * 8 + vl_vlc_valid_bits(vlc);  in vl_vlc_bits_left()
216 vl_vlc_peekbits(struct vl_vlc *vlc, unsigned num_bits)  in vl_vlc_peekbits()  argument
218    assert(vl_vlc_valid_bits(vlc) >= num_bits || vlc->data >= vlc->end);  in vl_vlc_peekbits()
219    return vlc->buffer >> (64 - num_bits);  in vl_vlc_peekbits()
226 vl_vlc_eatbits(struct vl_vlc *vlc, unsigned num_bits)  in vl_vlc_eatbits()  argument
228    assert(vl_vlc_valid_bits(vlc) >= num_bits);  in vl_vlc_eatbits()
230    vlc->buffer <<= num_bits;  in vl_vlc_eatbits()
231    vlc->invalid_bits += num_bits;  in vl_vlc_eatbits()
238 vl_vlc_get_uimsbf(struct vl_vlc *vlc, unsigned num_bits)  in vl_vlc_get_uimsbf()  argument
242    assert(vl_vlc_valid_bits(vlc) >= num_bits);  in vl_vlc_get_uimsbf()
244    value = vlc->buffer >> (64 - num_bits);  in vl_vlc_get_uimsbf()
245    vl_vlc_eatbits(vlc, num_bits);  in vl_vlc_get_uimsbf()
254 vl_vlc_get_simsbf(struct vl_vlc *vlc, unsigned num_bits)  in vl_vlc_get_simsbf()  argument
258    assert(vl_vlc_valid_bits(vlc) >= num_bits);  in vl_vlc_get_simsbf()
260    value = ((int64_t)vlc->buffer) >> (64 - num_bits);  in vl_vlc_get_simsbf()
261    vl_vlc_eatbits(vlc, num_bits);  in vl_vlc_get_simsbf()
270 vl_vlc_get_vlclbf(struct vl_vlc *vlc, const struct vl_vlc_entry *tbl, unsigned num_bits)  in vl_vlc_get_vlclbf()  argument
272    tbl += vl_vlc_peekbits(vlc, num_bits);  in vl_vlc_get_vlclbf()
273    vl_vlc_eatbits(vlc, tbl->length);  in vl_vlc_get_vlclbf()