From: Jack Lau via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Jack Lau <jacklau1222@qq.com>
Subject: [FFmpeg-devel] [PATCH] avformat/whip: mark as experimental
Date: Tue, 10 Jun 2025 17:26:13 +0800
Message-ID: <mailman.2705.1749547589.1384.ffmpeg-devel@ffmpeg.org> (raw)
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From: Jack Lau <jacklau1222@qq.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Jack Lau <jacklau1222@qq.com>
Subject: [PATCH] avformat/whip: mark as experimental
Date: Tue, 10 Jun 2025 17:26:13 +0800
Message-ID: <tencent_F08F17D293B511AC5960BED0310AA823AD07@qq.com>
This muxer has been marked AVFMT_EXPERIMENTAL.
Add a note in muxers.texi that WHIP is an experimental feature
This patch doesn't effect WHIP usage command, as WHIP always
needs to be explicitly specified
The details as follows:
https://ffmpeg.org/pipermail/ffmpeg-devel/2025-June/344705.html
Signed-off-by: Jack Lau <jacklau1222@qq.com>
---
doc/muxers.texi | 2 ++
libavformat/whip.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/doc/muxers.texi b/doc/muxers.texi
index 30c95c3d34..d2ee90bf33 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -3885,6 +3885,8 @@ ffmpeg -f webm_dash_manifest -i video1.webm \
WebRTC (Real-Time Communication) muxer that supports sub-second latency streaming according to
the WHIP (WebRTC-HTTP ingestion protocol) specification.
+This is an experimental feature.
+
It uses HTTP as a signaling protocol to exchange SDP capabilities and ICE lite candidates. Then,
it uses STUN binding requests and responses to establish a session over UDP. Subsequently, it
initiates a DTLS handshake to exchange the SRTP encryption keys. Lastly, it splits video and
diff --git a/libavformat/whip.c b/libavformat/whip.c
index 710f24fc5a..bb7b8657dc 100644
--- a/libavformat/whip.c
+++ b/libavformat/whip.c
@@ -1907,7 +1907,7 @@ const FFOutputFormat ff_whip_muxer = {
.p.long_name = NULL_IF_CONFIG_SMALL("WHIP(WebRTC-HTTP ingestion protocol) muxer"),
.p.audio_codec = AV_CODEC_ID_OPUS,
.p.video_codec = AV_CODEC_ID_H264,
- .p.flags = AVFMT_GLOBALHEADER | AVFMT_NOFILE,
+ .p.flags = AVFMT_GLOBALHEADER | AVFMT_NOFILE | AVFMT_EXPERIMENTAL,
.p.priv_class = &whip_muxer_class,
.priv_data_size = sizeof(WHIPContext),
.init = whip_init,
--
2.49.0
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