crcref needs to be set properly iff ec is two, regardless of whether it has been explicitly set by the user or set by default based on level/version.
Unified · Split
| @@ -629,7 +629,6 @@ av_cold int ff_ffv1_encode_init(AVCodecContext *avctx) · 628 unmodified lines | ||
| 629 | 629 | if (s->ec < 0) { |
| 630 | 630 | if (s->version >= 4) { |
| 631 | 631 | s->ec = 2; |
| 632 | − s->crcref = 0x7a8c4079; | |
| 633 | 632 | } else if (s->version >= 3) { |
| 634 | 633 | s->ec = 1; |
| 635 | 634 | } else |
| @@ -639,8 +638,10 @@ av_cold int ff_ffv1_encode_init(AVCodecContext *avctx) · 3 unmodified lines | ||
| 639 | 638 | // CRC requires version 3+ |
| 640 | 639 | if (s->ec == 1) |
| 641 | 640 | s->version = FFMAX(s->version, 3); |
| 642 | − if (s->ec == 2) | |
| 641 | + if (s->ec == 2) { | |
| 643 | 642 | s->version = FFMAX(s->version, 4); |
| 643 | + s->crcref = 0x7a8c4079; | |
| 644 | + } | |
| 644 | 645 | |
| 645 | 646 | if ((s->version == 2 || s->version>3) && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { |
| 646 | 647 | av_log(avctx, AV_LOG_ERROR, "Version 2 or 4 needed for requested features but version 2 or 4 is experimental and not enabled\n"); |