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Wed, 24 Sep 2025 14:58:33 +0300 (EEST) MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Date: Wed, 24 Sep 2025 11:58:33 -0000 Message-ID: <175871511383.25.11687961430816451731@bf249f23a2c8> Message-ID-Hash: PGQN24BQEDBAXMKIQULUVRHTS5BNFGPF X-Message-ID-Hash: PGQN24BQEDBAXMKIQULUVRHTS5BNFGPF X-MailFrom: code@ffmpeg.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-ffmpeg-devel.ffmpeg.org-0; header-match-ffmpeg-devel.ffmpeg.org-1; header-match-ffmpeg-devel.ffmpeg.org-2; header-match-ffmpeg-devel.ffmpeg.org-3; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list Reply-To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] [PATCH] avformat/rtsp: set AVFMTCTX_UNSEEKABLE flag (PR #20598) List-Id: FFmpeg development discussions and patches Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Kaarle Ritvanen via ffmpeg-devel Cc: Kaarle Ritvanen Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Archived-At: List-Archive: List-Post: PR #20598 opened by Kaarle Ritvanen (kunkku) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20598 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20598.patch Correctly set the AVFMTCTX_UNSEEKABLE flag for live RTP streams. Some external applications, such as Qt Multimedia, depend on this flag being set correctly. >>From 4b5050ea12b9979fb0e7849adb72bd0e07013494 Mon Sep 17 00:00:00 2001 From: Kaarle Ritvanen Date: Tue, 29 Apr 2025 14:35:00 +0300 Subject: [PATCH] avformat/rtsp: set AVFMTCTX_UNSEEKABLE flag for live RTP streams. Some external applications, such as Qt Multimedia, depend on this flag being set correctly. Signed-off-by: Kaarle Ritvanen --- libavformat/rtsp.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c index d601d63a89..e8f44e571a 100644 --- a/libavformat/rtsp.c +++ b/libavformat/rtsp.c @@ -663,8 +663,8 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1, rtsp_parse_range_npt(p, &start, &end); s->start_time = start; /* AV_NOPTS_VALUE means live broadcast (and can't seek) */ - s->duration = (end == AV_NOPTS_VALUE) ? - AV_NOPTS_VALUE : end - start; + if (end != AV_NOPTS_VALUE) + s->duration = end - start; } else if (av_strstart(p, "lang:", &p)) { if (s->nb_streams > 0) { get_word(buf1, sizeof(buf1), &p); @@ -754,6 +754,8 @@ int ff_sdp_parse(AVFormatContext *s, const char *content) char buf[SDP_MAX_SIZE], *q; SDPParseState sdp_parse_state = { { 0 } }, *s1 = &sdp_parse_state; + s->duration = AV_NOPTS_VALUE; + p = content; for (;;) { p += strspn(p, SPACE_CHARS); @@ -787,6 +789,9 @@ int ff_sdp_parse(AVFormatContext *s, const char *content) av_freep(&s1->default_exclude_source_addrs[i]); av_freep(&s1->default_exclude_source_addrs); + if (s->duration == AV_NOPTS_VALUE) + s->ctx_flags |= AVFMTCTX_UNSEEKABLE; + return 0; } #endif /* CONFIG_RTPDEC */ -- 2.49.1 _______________________________________________ ffmpeg-devel mailing list -- ffmpeg-devel@ffmpeg.org To unsubscribe send an email to ffmpeg-devel-leave@ffmpeg.org