68 static int dca_find_frame_end(DCAParseContext *pc1, const uint8_t *buf,  in dca_find_frame_end()  argument
73     ParseContext *pc = &pc1->pc;  in dca_find_frame_end()
77     size        = pc1->size;  in dca_find_frame_end()
86                 (!pc1->lastmarker ||  in dca_find_frame_end()
87                   pc1->lastmarker == CORE_MARKER(state) ||  in dca_find_frame_end()
88                   pc1->lastmarker == DCA_SYNCWORD_SUBSTREAM)) {  in dca_find_frame_end()
89                 if (!pc1->lastmarker)  in dca_find_frame_end()
90                     pc1->startpos = IS_EXSS_MARKER(state) ? size - 4 : size - 6;  in dca_find_frame_end()
93                     pc1->lastmarker = EXSS_MARKER(state);  in dca_find_frame_end()
95                     pc1->lastmarker = CORE_MARKER(state);  in dca_find_frame_end()
112                 switch (pc1->lastmarker) {  in dca_find_frame_end()
115                         pc1->framesize = CORE_FRAMESIZE(state);  in dca_find_frame_end()
121                         pc1->framesize = CORE_FRAMESIZE(STATE_LE(state));  in dca_find_frame_end()
127                         pc1->framesize = CORE_FRAMESIZE(STATE_14(state));  in dca_find_frame_end()
133                         pc1->framesize = CORE_FRAMESIZE(STATE_14(STATE_LE(state)));  in dca_find_frame_end()
139                         pc1->framesize = EXSS_FRAMESIZE(state);  in dca_find_frame_end()
150                 pc1->framesize <= size + 2) {  in dca_find_frame_end()
151                 pc1->framesize  = size + 2;  in dca_find_frame_end()
157                 if (size == pc1->framesize + 4) {  in dca_find_frame_end()
158                     pc1->framesize += EXSS_FRAMESIZE(state);  in dca_find_frame_end()
164             if (pc1->framesize > size)  in dca_find_frame_end()
168                 (pc1->lastmarker == CORE_MARKER(state) ||  in dca_find_frame_end()
169                  pc1->lastmarker == DCA_SYNCWORD_SUBSTREAM)) {  in dca_find_frame_end()
172                 pc1->size             = 0;  in dca_find_frame_end()
180     pc1->size             = size;  in dca_find_frame_end()
186     DCAParseContext *pc1 = s->priv_data;  in dca_parse_init()  local
188     pc1->lastmarker = 0;  in dca_parse_init()
189     pc1->sr_code = -1;  in dca_parse_init()
193 static int dca_parse_params(DCAParseContext *pc1, const uint8_t *buf,  in dca_parse_params()  argument
197     DCAExssAsset *asset = &pc1->exss.assets[0];  in dca_parse_params()
207         if ((ret = ff_dca_exss_parse(&pc1->exss, buf, buf_size)) < 0)  in dca_parse_params()
219                 pc1->sr_code = get_bits(&gb, 8);  in dca_parse_params()
226             if (pc1->sr_code >= FF_ARRAY_ELEMS(ff_dca_sampling_freqs))  in dca_parse_params()
229             *sample_rate = ff_dca_sampling_freqs[pc1->sr_code];  in dca_parse_params()
230             *duration = 1024 << ff_dca_freq_ranges[pc1->sr_code];  in dca_parse_params()
295     if (ff_dca_exss_parse(&pc1->exss, buf, buf_size) < 0)  in dca_parse_params()
310     DCAParseContext *pc1 = s->priv_data;  in dca_parse()  local
311     ParseContext *pc = &pc1->pc;  in dca_parse()
317         next = dca_find_frame_end(pc1, buf, buf_size);  in dca_parse()
326         if (buf_size  > pc1->startpos) {  in dca_parse()
327             buf      += pc1->startpos;  in dca_parse()
328             buf_size -= pc1->startpos;  in dca_parse()
330         pc1->startpos = 0;  in dca_parse()
334     if (!dca_parse_params(pc1, buf, buf_size, &duration, &sample_rate, &avctx->profile)) {  in dca_parse()