[FFmpeg-devel] [PATCH] avformat/whip: mark as experimental

[Zhao Zhili]

> On Jun 21, 2025, at 10:14, Jack Lau <jacklau1222gm-at-gmail.com at ffmpeg.org> wrote:
> 
>> On Jun 10, 2025, at 17:26, Jack Lau via ffmpeg-devel <ffmpeg-devel at ffmpeg.org> wrote:
>> 
>> 
>> From: Jack Lau <jacklau1222 at qq.com>
>> Subject: [PATCH] avformat/whip: mark as experimental
>> Date: June 10, 2025 at 17:26:13 GMT+8
>> To: ffmpeg-devel at ffmpeg.org
>> Cc: Jack Lau <jacklau1222 at 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 at 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
> Forgot to tag v4
> PING.

Applied with some modification to commit message, thanks.

>> 
>> 
>> 
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