#define IS_MARKER(state, i, buf, buf_size) \
((state == DCA_MARKER_14B_LE && (i < buf_size-2) && (buf[i+1] & 0xF0) == 0xF0 && buf[i+2] == 0x07) \
|| (state == DCA_MARKER_14B_BE && (i < buf_size-2) && buf[i+1] == 0x07 && (buf[i+2] & 0xF0) == 0xF0) \
- || state == DCA_MARKER_RAW_LE || state == DCA_MARKER_RAW_BE)
+ || state == DCA_MARKER_RAW_LE || state == DCA_MARKER_RAW_BE || state == DCA_HD_MARKER)
/**
* finds the end of the current frame in the bitstream.
for (i = 0; i < buf_size; i++) {
state = (state << 8) | buf[i];
if (IS_MARKER(state, i, buf, buf_size)) {
- if (pc1->lastmarker && state == pc1->lastmarker) {
- start_found = 1;
- break;
- } else if (!pc1->lastmarker) {
+ if (!pc1->lastmarker || state == pc1->lastmarker || pc1->lastmarker == DCA_HD_MARKER) {
start_found = 1;
pc1->lastmarker = state;
break;
state = (state << 8) | buf[i];
if (state == DCA_HD_MARKER && !pc1->hd_pos)
pc1->hd_pos = pc1->size;
- if (state == pc1->lastmarker && IS_MARKER(state, i, buf, buf_size)) {
+ if (IS_MARKER(state, i, buf, buf_size) && (state == pc1->lastmarker || pc1->lastmarker == DCA_HD_MARKER)) {
if(pc1->framesize > pc1->size)
continue;
- if(!pc1->framesize){
+ // We have to check that we really read a full frame here, and that it isn't a pure HD frame, because their size is not constant.
+ if(!pc1->framesize && state == pc1->lastmarker && state != DCA_HD_MARKER){
pc1->framesize = pc1->hd_pos ? pc1->hd_pos : pc1->size;
}
pc->frame_start_found = 0;
}
AVCodecParser ff_dca_parser = {
- {CODEC_ID_DTS},
- sizeof(DCAParseContext),
- dca_parse_init,
- dca_parse,
- ff_parse_close,
+ .codec_ids = { CODEC_ID_DTS },
+ .priv_data_size = sizeof(DCAParseContext),
+ .parser_init = dca_parse_init,
+ .parser_parse = dca_parse,
+ .parser_close = ff_parse_close,
};