PR #20378 opened by Gyan Doshi (GyanD) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20378 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20378.patch Both codecs support a lossless mode akin to H.264/AVC From f317b6c052f1108fcf2ce07b28efa2484c21cabe Mon Sep 17 00:00:00 2001 From: Gyan Doshi <ffmpeg@gyani.pro> Date: Sun, 31 Aug 2025 16:48:03 +0530 Subject: [PATCH] lavc/codec_desc: add lossless flags for hevc and av1 Both codecs support a lossless mode akin to H.264/AVC --- libavcodec/codec_desc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c index a065556e51..d5d178cc7e 100644 --- a/libavcodec/codec_desc.c +++ b/libavcodec/codec_desc.c @@ -1277,7 +1277,7 @@ static const AVCodecDescriptor codec_descriptors[] = { .type = AVMEDIA_TYPE_VIDEO, .name = "hevc", .long_name = NULL_IF_CONFIG_SMALL("H.265 / HEVC (High Efficiency Video Coding)"), - .props = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER, + .props = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS | AV_CODEC_PROP_REORDER, .profiles = NULL_IF_CONFIG_SMALL(ff_hevc_profiles), }, { @@ -1648,7 +1648,7 @@ static const AVCodecDescriptor codec_descriptors[] = { .type = AVMEDIA_TYPE_VIDEO, .name = "av1", .long_name = NULL_IF_CONFIG_SMALL("Alliance for Open Media AV1"), - .props = AV_CODEC_PROP_LOSSY, + .props = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS, .profiles = NULL_IF_CONFIG_SMALL(ff_av1_profiles), }, { -- 2.49.1