Signed-off-by: Derek Buitenhuis <[email protected]>
---
libavcodec/librav1e.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/librav1e.c b/libavcodec/librav1e.c
index 5052cac896..11c1d09e36 100644
--- a/libavcodec/librav1e.c
+++ b/libavcodec/librav1e.c
@@ -329,6 +329,10 @@ static av_cold int librav1e_encode_init(AVCodecContext
*avctx)
}
}
+ /* We can't easily represent this behavior with AVOptions, so do it here.
*/
+ if (!avctx->bit_rate && ctx->quantizer < 0)
+ ctx->quantizer = 100;
+
if (avctx->bit_rate && ctx->quantizer < 0) {
int max_quantizer = avctx->qmax >= 0 ? avctx->qmax : 255;
@@ -533,7 +537,7 @@ retry:
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
- { "qp", "use constant quantizer mode", OFFSET(quantizer), AV_OPT_TYPE_INT,
{ .i64 = 100 }, -1, 255, VE },
+ { "qp", "use constant quantizer mode (defaults to 100 if no bit rate is
set)", OFFSET(quantizer), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 255, VE },
{ "speed", "what speed preset to use", OFFSET(speed), AV_OPT_TYPE_INT, {
.i64 = -1 }, -1, 10, VE },
{ "tiles", "number of tiles encode with", OFFSET(tiles), AV_OPT_TYPE_INT,
{ .i64 = 0 }, -1, INT64_MAX, VE },
{ "tile-rows", "number of tiles rows to encode with", OFFSET(tile_rows),
AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT64_MAX, VE },
--
2.24.0
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