68 nal_reader_init (NalReader * nr, const guint8 * data, guint size)  in nal_reader_init()  argument
70   nr->data = data;  in nal_reader_init()
71   nr->size = size;  in nal_reader_init()
72   nr->n_epb = 0;  in nal_reader_init()
74   nr->byte = 0;  in nal_reader_init()
75   nr->bits_in_cache = 0;  in nal_reader_init()
77   nr->first_byte = 0xff;  in nal_reader_init()
78   nr->epb_cache = 0xff;  in nal_reader_init()
79   nr->cache = 0xff;  in nal_reader_init()
83 nal_reader_read (NalReader * nr, guint nbits)  in nal_reader_read()  argument
85   if (G_UNLIKELY (nr->byte * 8 + (nbits - nr->bits_in_cache) > nr->size * 8)) {  in nal_reader_read()
87         "bits %u", nbits, nr->bits_in_cache, nr->byte * 8, nr->size * 8);  in nal_reader_read()
91   while (nr->bits_in_cache < nbits) {  in nal_reader_read()
95     if (G_UNLIKELY (nr->byte >= nr->size))  in nal_reader_read()
98     byte = nr->data[nr->byte++];  in nal_reader_read()
99     nr->epb_cache = (nr->epb_cache << 8) | byte;  in nal_reader_read()
102     if ((nr->epb_cache & 0xffffff) == 0x3) {  in nal_reader_read()
103       nr->n_epb++;  in nal_reader_read()
106     nr->cache = (nr->cache << 8) | nr->first_byte;  in nal_reader_read()
107     nr->first_byte = byte;  in nal_reader_read()
108     nr->bits_in_cache += 8;  in nal_reader_read()
117 nal_reader_skip (NalReader * nr, guint nbits)  in nal_reader_skip()  argument
119   g_assert (nbits <= 8 * sizeof (nr->cache));  in nal_reader_skip()
121   if (G_UNLIKELY (!nal_reader_read (nr, nbits)))  in nal_reader_skip()
124   nr->bits_in_cache -= nbits;  in nal_reader_skip()
131 nal_reader_skip_long (NalReader * nr, guint nbits)  in nal_reader_skip_long()  argument
134   const guint skip_size = 4 * sizeof (nr->cache);  in nal_reader_skip_long()
139     if (!nal_reader_skip (nr, nbits))  in nal_reader_skip_long()
148 nal_reader_get_pos (const NalReader * nr)  in nal_reader_get_pos()  argument
150   return nr->byte * 8 - nr->bits_in_cache;  in nal_reader_get_pos()
154 nal_reader_get_remaining (const NalReader * nr)  in nal_reader_get_remaining()  argument
156   return (nr->size - nr->byte) * 8 + nr->bits_in_cache;  in nal_reader_get_remaining()
160 nal_reader_get_epb_count (const NalReader * nr)  in nal_reader_get_epb_count()  argument
162   return nr->n_epb;  in nal_reader_get_epb_count()
167 nal_reader_get_bits_uint##bits (NalReader *nr, guint##bits *val, guint nbits) \
171   if (!nal_reader_read (nr, nbits)) \
175   shift = nr->bits_in_cache - nbits; \
176   *val = nr->first_byte >> shift; \
178   *val |= nr->cache << (8 - shift); \
183   nr->bits_in_cache = shift; \
194 nal_reader_peek_bits_uint##bits (const NalReader *nr, guint##bits *val, guint nbits) \
198   tmp = *nr; \
205 nal_reader_get_ue (NalReader * nr, guint32 * val)  in nal_reader_get_ue()  argument
211   if (G_UNLIKELY (!nal_reader_get_bits_uint8 (nr, &bit, 1)))  in nal_reader_get_ue()
216     if (G_UNLIKELY (!nal_reader_get_bits_uint8 (nr, &bit, 1)))  in nal_reader_get_ue()
223   if (G_UNLIKELY (!nal_reader_get_bits_uint32 (nr, &value, i)))  in nal_reader_get_ue()
232 nal_reader_get_se (NalReader * nr, gint32 * val)  in nal_reader_get_se()  argument
236   if (G_UNLIKELY (!nal_reader_get_ue (nr, &value)))  in nal_reader_get_se()
248 nal_reader_is_byte_aligned (NalReader * nr)  in nal_reader_is_byte_aligned()  argument
250   if (nr->bits_in_cache != 0)  in nal_reader_is_byte_aligned()
256 nal_reader_has_more_data (NalReader * nr)  in nal_reader_has_more_data()  argument
262   remaining = nal_reader_get_remaining (nr);  in nal_reader_has_more_data()
266   nr_tmp = *nr;  in nal_reader_has_more_data()
267   nr = &nr_tmp;  in nal_reader_has_more_data()
279   if (!nal_reader_get_bits_uint8 (nr, &rbsp_stop_one_bit, 1))  in nal_reader_has_more_data()
286     if (!nal_reader_get_bits_uint8 (nr, &zero_bits, nbits))  in nal_reader_has_more_data()