On 04/02/2025 13:25, Martin Storsjö wrote:
On Mon, 3 Feb 2025, Zhao Zhili wrote:
ffmpeg | branch: master | Zhao Zhili <zhiliz...@tencent.com> | Thu Jan
23 22:17:29 2025 +0800| [1438f6997db70945173f01aea1768e3b27ce2679] |
committer: Zhao Zhili
avcodec/nvenc: Enable recovery point SEI for intra refresh mode
Otherwise all frames can be dropped after seek without the
output_corrupt/showall flags.
Signed-off-by: Zhao Zhili <zhiliz...@tencent.com>
Reviewed-by: Timo Rothenpieler <t...@rothenpieler.org>
http://git.videolan.org/gitweb.cgi/ffmpeg.git/?
a=commit;h=1438f6997db70945173f01aea1768e3b27ce2679
---
libavcodec/nvenc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index c52e47734e..c359c2bc8a 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -1281,6 +1281,7 @@ static av_cold int
nvenc_setup_h264_config(AVCodecContext *avctx)
h264->intraRefreshPeriod = cc->gopLength;
h264->intraRefreshCnt = cc->gopLength - 1;
cc->gopLength = NVENC_INFINITE_GOPLENGTH;
+ h264->outputRecoveryPointSEI = 1;
This change breaks building with older versions of nv-codec-headers
installed.
Even the 8.1 SDK has this, which is the oldest version still supported
by FFmpeg:
https://github.com/FFmpeg/nv-codec-headers/blob/sdk/8.1/include/ffnvcodec/nvEncodeAPI.h#L1279
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