| 614 | } |
| 615 | |
| 616 | static int amf_parse_object(AVFormatContext *s, AVStream *astream, |
| 617 | AVStream *vstream, const char *key, |
| 618 | int64_t max_pos, int depth) |
| 619 | { |
| 620 | AVCodecParameters *apar, *vpar; |
| 621 | FLVContext *flv = s->priv_data; |
| 622 | AVIOContext *ioc; |
| 623 | AMFDataType amf_type; |
| 624 | char str_val[1024]; |
| 625 | double num_val; |
| 626 | amf_date date; |
| 627 | |
| 628 | if (depth > MAX_DEPTH) |
| 629 | return AVERROR_PATCHWELCOME; |
| 630 | |
| 631 | num_val = 0; |
| 632 | ioc = s->pb; |
| 633 | if (avio_feof(ioc)) |
| 634 | return AVERROR_EOF; |
| 635 | amf_type = avio_r8(ioc); |
| 636 | |
| 637 | switch (amf_type) { |
| 638 | case AMF_DATA_TYPE_NUMBER: |
| 639 | num_val = av_int2double(avio_rb64(ioc)); |
| 640 | break; |
| 641 | case AMF_DATA_TYPE_BOOL: |
| 642 | num_val = avio_r8(ioc); |
| 643 | break; |
| 644 | case AMF_DATA_TYPE_STRING: |
| 645 | if (amf_get_string(ioc, str_val, sizeof(str_val)) < 0) { |
| 646 | av_log(s, AV_LOG_ERROR, "AMF_DATA_TYPE_STRING parsing failed\n"); |
| 647 | return -1; |
| 648 | } |
| 649 | break; |
| 650 | case AMF_DATA_TYPE_OBJECT: |
| 651 | if (key && |
| 652 | (ioc->seekable & AVIO_SEEKABLE_NORMAL) && |
| 653 | !strcmp(KEYFRAMES_TAG, key) && depth == 1) |
| 654 | if (parse_keyframes_index(s, ioc, max_pos) < 0) |
| 655 | av_log(s, AV_LOG_ERROR, "Keyframe index parsing failed\n"); |
| 656 | else |
| 657 | add_keyframes_index(s); |
| 658 | while (avio_tell(ioc) < max_pos - 2 && |
| 659 | amf_get_string(ioc, str_val, sizeof(str_val)) > 0) |
| 660 | if (amf_parse_object(s, astream, vstream, str_val, max_pos, |
| 661 | depth + 1) < 0) |
| 662 | return -1; // if we couldn't skip, bomb out. |
| 663 | if (avio_r8(ioc) != AMF_END_OF_OBJECT) { |
| 664 | av_log(s, AV_LOG_ERROR, "Missing AMF_END_OF_OBJECT in AMF_DATA_TYPE_OBJECT\n"); |
| 665 | return -1; |
| 666 | } |
| 667 | break; |
| 668 | case AMF_DATA_TYPE_NULL: |
| 669 | case AMF_DATA_TYPE_UNDEFINED: |
| 670 | case AMF_DATA_TYPE_UNSUPPORTED: |
| 671 | break; // these take up no additional space |
| 672 | case AMF_DATA_TYPE_MIXEDARRAY: |
| 673 | { |
no test coverage detected