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avcodec/ffv1enc: allow manually specifying the crc type

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Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-10-10 19:38:52 +02:00
parent d73b73af5e
commit d9269fcacf
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GPG key ID: B18E8928B3948D64
1 changed files with 4 additions and 2 deletions
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6
libavcodec/ffv1enc.c
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@ -559,8 +559,10 @@ static av_cold int encode_init(AVCodecContext *avctx)
}
// CRC requires version 3+
if (s->ec)
if (s->ec == 1)
s->version = FFMAX(s->version, 3);
if (s->ec == 2)
s->version = FFMAX(s->version, 4);
if ((s->version == 2 || s->version>3) && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
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");
@ -1266,7 +1268,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
#define OFFSET(x) offsetof(FFV1Context, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
{ "coder", "Coder type", OFFSET(ac), AV_OPT_TYPE_INT,
{ .i64 = 0 }, -2, 2, VE, .unit = "coder" },
{ "rice", "Golomb rice", 0, AV_OPT_TYPE_CONST,