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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-04 22:03:09 +02:00

avformat/whip: check the exchange sdp url is start with http

Make sure the WHIP protocol performs the SDP offer/answer
exchange with the WebRTC peer over HTTP.

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
Reviewed-by: Jack Lau <jacklau1222@qq.com>
This commit is contained in:
Steven Liu
2025-06-06 11:02:06 +08:00
committed by Marvin Scholz
parent 87808e38a8
commit f8a9d9473b

View File

@ -732,10 +732,18 @@ static int exchange_sdp(AVFormatContext *s)
URLContext *whip_uc = NULL; URLContext *whip_uc = NULL;
AVDictionary *opts = NULL; AVDictionary *opts = NULL;
char *hex_data = NULL; char *hex_data = NULL;
const char *proto_name = avio_find_protocol_name(s->url);
/* To prevent a crash during cleanup, always initialize it. */ /* To prevent a crash during cleanup, always initialize it. */
av_bprint_init(&bp, 1, MAX_SDP_SIZE); av_bprint_init(&bp, 1, MAX_SDP_SIZE);
if (!av_strstart(proto_name, "http", NULL)) {
av_log(whip, AV_LOG_ERROR, "WHIP: Protocol %s is not supported by RTC, choose http, url is %s\n",
proto_name, s->url);
ret = AVERROR(EINVAL);
goto end;
}
if (!whip->sdp_offer || !strlen(whip->sdp_offer)) { if (!whip->sdp_offer || !strlen(whip->sdp_offer)) {
av_log(whip, AV_LOG_ERROR, "WHIP: No offer to exchange\n"); av_log(whip, AV_LOG_ERROR, "WHIP: No offer to exchange\n");
ret = AVERROR(EINVAL); ret = AVERROR(EINVAL);