From b8fca1f1f5ece5f3ca9d6db0cb72c1918ba07deb Mon Sep 17 00:00:00 2001 From: Zhao Zhili Date: Fri, 13 Jan 2023 00:23:09 +0800 Subject: [PATCH] avformat/teeproto: setup max_packet_size It's the minimum of all child protocols max_packet_size. Can be used like this: ffmpeg -re -i cctv.mp4 -c copy -f mpegts \ -protocol_whitelist 'tee,file,udp' \ 'tee:out.ts|udp://127.0.0.1:6666?pkt_size=1316' Signed-off-by: Zhao Zhili --- libavformat/teeproto.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/libavformat/teeproto.c b/libavformat/teeproto.c index e532bc7750..dca97a6741 100644 --- a/libavformat/teeproto.c +++ b/libavformat/teeproto.c @@ -131,6 +131,18 @@ loop_fail: h->is_streamed |= c->child[i].url_context->is_streamed; } + h->max_packet_size = 0; + for (i = 0; i < c->child_count; i++) { + int max = c->child[i].url_context->max_packet_size; + if (!max) + continue; + + if (!h->max_packet_size) + h->max_packet_size = max; + else if (h->max_packet_size > max) + h->max_packet_size = max; + } + return 0; fail: tee_close(h);