From 288ca1c66740640d5742f2921efbf502d83f8b6a Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Sat, 20 Mar 2021 19:27:48 +0100 Subject: [PATCH] lavc/aomenc: Force default qmax of 0 if crf was set to 0. Fixes lossless encoding without setting qmax to 0. --- libavcodec/libaomenc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/libaomenc.c b/libavcodec/libaomenc.c index 2c3c3eb185..fcf75e835d 100644 --- a/libavcodec/libaomenc.c +++ b/libavcodec/libaomenc.c @@ -654,8 +654,11 @@ static av_cold int aom_init(AVCodecContext *avctx, if (avctx->qmin >= 0) enccfg.rc_min_quantizer = avctx->qmin; - if (avctx->qmax >= 0) + if (avctx->qmax >= 0) { enccfg.rc_max_quantizer = avctx->qmax; + } else if (!ctx->crf) { + enccfg.rc_max_quantizer = 0; + } if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) { if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {